/*
 * styles.css — DSA Forge
 * All application styles.
 * Edit this file for any visual/layout changes.
 * Sections: Theme vars | Reset | Auth | Layout | Dashboard |
 *           Filters | Questions | Modal | History | Sessions |
 *           Review | Focus | Command Palette | Responsive
 */

/* THEME VARIABLES */
:root {
  --bg: #f5f6fa;
  --surface: #ffffff;
  --surface2: #f0f2f8;
  --border: #e2e6f0;
  --border2: #d0d6e8;
  --text: #1a1d2e;
  --text2: #4a5068;
  --muted: #8892aa;
  --accent: #3b6cf7;
  --accent-soft: rgba(59,108,247,.10);
  --accent-hover: #2d5ce8;
  --green: #16a34a;
  --green-soft: rgba(22,163,74,.10);
  --yellow: #d97706;
  --yellow-soft: rgba(217,119,6,.10);
  --red: #dc2626;
  --red-soft: rgba(220,38,38,.10);
  --orange: #ea580c;
  --orange-soft: rgba(234,88,12,.10);
  --purple: #7c3aed;
  --purple-soft: rgba(124,58,237,.10);
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.10);
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 14px;
}
[data-theme="dark"] {
  --bg: #090b10;
  --surface: #12161f;
  --surface2: #1a2030;
  --border: #273042;
  --border2: #344055;
  --text: #f3f6ff;
  --text2: #b7c0d8;
  --muted: #7f8aa6;
  --accent: #78a6ff;
  --accent-soft: rgba(120,166,255,.16);
  --accent-hover: #94b8ff;
  --green: #5ee38f;
  --green-soft: rgba(94,227,143,.14);
  --yellow: #ffcc66;
  --yellow-soft: rgba(255,204,102,.14);
  --red: #ff8b8b;
  --red-soft: rgba(255,139,139,.14);
  --orange: #ffad66;
  --orange-soft: rgba(255,173,102,.14);
  --purple: #b39aff;
  --purple-soft: rgba(179,154,255,.14);
  --shadow: 0 1px 3px rgba(0,0,0,.45), 0 1px 2px rgba(0,0,0,.28);
  --shadow-md: 0 10px 24px rgba(0,0,0,.35);
  --shadow-lg: 0 22px 48px rgba(0,0,0,.48);
}

/* RESET & BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 14px;
  min-height: 100vh;
  min-height: 100dvh;
  transition: background .2s, color .2s;
}
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
input, textarea, button, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }

/* AUTH SCREEN */
#auth-screen {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 0;
}
.auth-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  padding: 48px 44px;
  max-width: 420px; width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; align-items: center; gap: 0;
}
.auth-logo {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 800; color: #fff;
  margin-bottom: 20px;
}
.auth-title { font-size: 24px; font-weight: 800; letter-spacing: -.5px; margin-bottom: 8px; }
.auth-sub { font-size: 14px; color: var(--muted); font-weight: 500; margin-bottom: 36px; line-height: 1.6; }
.auth-google-btn {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  width: 100%; padding: 14px 24px;
  background: var(--surface); border: 2px solid var(--border2);
  border-radius: 12px; cursor: pointer;
  font-size: 15px; font-weight: 700; color: var(--text);
  transition: all .2s; font-family: inherit;
}
.auth-google-btn:hover {
  border-color: var(--accent); background: var(--accent-soft);
  transform: translateY(-1px); box-shadow: var(--shadow-md);
}
.auth-google-btn svg { width: 22px; height: 22px; flex-shrink: 0; }
.auth-note { font-size: 11px; color: var(--muted); margin-top: 20px; font-weight: 500; }
.auth-features {
  display: flex; gap: 10px; margin-bottom: 32px; flex-wrap: wrap; justify-content: center;
}
.auth-feat {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 14px;
  font-size: 12px; font-weight: 600; color: var(--text2);
  display: flex; align-items: center; gap: 6px;
}
.auth-loading {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted); font-weight: 500;
  margin-top: 16px; min-height: 20px;
}
.spinner {
  width: 16px; height: 16px; border: 2px solid var(--border2);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin .7s linear infinite; flex-shrink: 0;
}

/* ── User info in topbar ── */
.user-info {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 10px 5px 5px;
  background: var(--surface2); border: 1.5px solid var(--border);
  border-radius: 20px; cursor: default;
}
.user-avatar {
  width: 26px; height: 26px; border-radius: 50%; object-fit: cover;
}
.user-name-text { font-size: 12px; font-weight: 700; color: var(--text); max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sign-out-btn {
  background: none; border: none; cursor: pointer;
  color: var(--muted); font-size: 11px; font-weight: 600;
  padding: 2px 4px; border-radius: 4px; transition: color .15s;
}
.sign-out-btn:hover { color: var(--red); }

/* ── Sync indicator ── */
.sync-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); flex-shrink: 0;
  transition: background .3s;
}
.sync-dot.syncing { background: var(--yellow); animation: pulse 1s infinite; }
.sync-dot.error   { background: var(--red); }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.4; } }
.sync-label { font-size: 11px; color: var(--muted); font-weight: 500; transition: opacity .6s ease; opacity: 0; visibility: hidden; width: 0; overflow: hidden; }

#app-shell { display: contents; min-height: 100vh; min-height: 100dvh; }
/* LAYOUT */
.app {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

/* SIDEBAR */
.sidebar {
  width: 240px; min-width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; height: 100dvh; overflow-y: auto;
  transition: background .2s, border-color .2s;
}
.logo {
  padding: 18px 16px 14px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 800; color: #fff; flex-shrink: 0;
}
.logo-text { font-weight: 800; font-size: 15px; letter-spacing: -.3px; }
.logo-text span { color: var(--accent); }
.logo-sub { font-size: 10px; color: var(--muted); margin-top: 1px; font-weight: 500; }
.logo-right { display: flex; flex-direction: column; }

.nav-section { padding: 12px 8px 6px; }
.nav-label { font-size: 10px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 4px; padding: 0 8px; font-weight: 600; }
.nav-btn {
  width: 100%; background: none; border: none;
  color: var(--text2); font-size: 13px; font-weight: 500;
  padding: 8px 10px; border-radius: var(--radius-sm);
  cursor: pointer; display: flex; align-items: center; gap: 9px;
  transition: all .15s; text-align: left;
}
.nav-btn:hover { background: var(--surface2); color: var(--text); }
.nav-btn.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nb-icon { font-size: 14px; width: 16px; text-align: center; flex-shrink: 0; }
.nb-count {
  margin-left: auto; font-size: 10px; font-weight: 700;
  background: var(--surface2); color: var(--muted);
  border-radius: 10px; padding: 1px 7px;
}
.nav-btn.active .nb-count { background: var(--accent-soft); color: var(--accent); }

.topic-divider { padding: 10px 16px 4px; }
.topic-divider span { font-size: 10px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; font-weight: 600; }

.topic-nav { padding: 2px 8px 10px; }
.topic-nav-btn {
  width: 100%; background: none; border: none;
  color: var(--text2); font-size: 12px; font-weight: 500;
  padding: 6px 10px; border-radius: var(--radius-sm);
  cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  transition: all .15s; text-align: left; gap: 6px;
}
.topic-nav-btn:hover { background: var(--surface2); color: var(--text); }
.topic-nav-btn.active { color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.tnb-left { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.tnb-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--border2); flex-shrink: 0; transition: background .15s; }
.topic-nav-btn.active .tnb-dot { background: var(--accent); }
.tnb-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.t-count { font-size: 10px; color: var(--muted); flex-shrink: 0; }

.sidebar-footer {
  margin-top: auto; border-top: 1px solid var(--border);
  padding: 14px 16px; display: flex; flex-direction: column; gap: 6px;
}
.stat-row { display: flex; justify-content: space-between; font-size: 12px; }
.stat-row span:first-child { color: var(--muted); font-weight: 500; }
.stat-row span:last-child { color: var(--text); font-weight: 700; }
.streak-row { font-size: 11px; }
.streak-row span:first-child { font-weight: 600; }
.streak-row span:last-child { font-size: 11px; }
.prog-bar { background: var(--surface2); border-radius: 4px; height: 5px; overflow: hidden; margin-top: 6px; }
.prog-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--purple)); border-radius: 4px; transition: width .5s; }

/* MAIN AREA */
.main {
  flex: 1; display: flex; flex-direction: column; min-width: 0; overflow: hidden;
  min-height: 100vh; min-height: 100dvh; height: 100vh; height: 100dvh;
}
.topbar {
  padding: 12px 24px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  background: var(--surface); position: sticky; top: 0; z-index: 100;
  flex-wrap: wrap; transition: background .2s, border-color .2s;
  box-shadow: var(--shadow);
}
.page-title { font-weight: 800; font-size: 16px; flex: 1; min-width: 120px; letter-spacing: -.3px; }
.search-box {
  background: var(--surface2); border: 1.5px solid var(--border);
  border-radius: 8px; padding: 7px 12px 7px 32px;
  color: var(--text); font-size: 13px; width: 210px; outline: none;
  transition: all .15s; position: relative;
}
.search-box:focus { border-color: var(--accent); background: var(--surface); }
.search-box::placeholder { color: var(--muted); }
.search-wrap { position: relative; }
.search-wrap::before { content: '🔍'; position: absolute; left: 9px; top: 50%; transform: translateY(-50%); font-size: 11px; pointer-events: none; }

.btn {
  padding: 7px 14px; border-radius: 8px; border: none;
  cursor: pointer; font-size: 12px; font-weight: 600;
  transition: all .15s; display: inline-flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost {
  background: transparent; border: 1.5px solid var(--border2);
  color: var(--text2);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.btn-sm { padding: 5px 11px; font-size: 11px; }
.btn-icon { padding: 7px; border-radius: 8px; }

/* Theme Toggle */
.theme-toggle {
  background: var(--surface2); border: 1.5px solid var(--border);
  border-radius: 20px; padding: 4px; cursor: pointer;
  display: flex; align-items: center; gap: 2px; transition: all .2s;
}
.theme-toggle-opt {
  padding: 4px 10px; border-radius: 14px; font-size: 12px; font-weight: 600;
  transition: all .2s; color: var(--muted); cursor: pointer;
}
.theme-toggle-opt.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }

/* CONTENT AREA */
.content { flex: 1; overflow-y: auto; padding: 24px; }
.view { display: none; }
.view.active { display: block; }

/* DASHBOARD */
.dash-greeting { margin-bottom: 20px; }
.dash-greeting h2 { font-size: 22px; font-weight: 800; letter-spacing: -.5px; }
.dash-greeting p { color: var(--muted); font-size: 13px; margin-top: 4px; font-weight: 500; }

.cards-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 22px; }
.stat-card {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px 20px;
  transition: all .2s; cursor: default;
  box-shadow: var(--shadow);
}
.stat-card:hover { border-color: var(--border2); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.sc-icon { font-size: 22px; margin-bottom: 10px; }
.sc-label { font-size: 11px; color: var(--muted); font-weight: 600; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 4px; }
.sc-val { font-size: 30px; font-weight: 800; letter-spacing: -1px; }
.sc-sub { font-size: 11px; color: var(--muted); margin-top: 3px; font-weight: 500; }
.sc-accent .sc-val { color: var(--accent); }
.sc-green .sc-val { color: var(--green); }
.sc-yellow .sc-val { color: var(--yellow); }
.sc-red .sc-val { color: var(--red); }
.sc-accent { border-color: rgba(59,108,247,.2); }
.sc-green { border-color: rgba(22,163,74,.2); }
.sc-yellow { border-color: rgba(217,119,6,.2); }
.sc-red { border-color: rgba(220,38,38,.2); }
[data-theme="dark"] .sc-accent { border-color: rgba(107,143,255,.2); }
[data-theme="dark"] .sc-green { border-color: rgba(74,222,128,.2); }
[data-theme="dark"] .sc-yellow { border-color: rgba(251,191,36,.2); }
[data-theme="dark"] .sc-red { border-color: rgba(248,113,113,.2); }

.section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.section-title { font-size: 15px; font-weight: 800; letter-spacing: -.3px; display: flex; align-items: center; gap: 8px; }
.badge {
  padding: 2px 9px; border-radius: 20px; font-size: 10px; font-weight: 700;
  background: var(--accent-soft); color: var(--accent);
}
.badge-red { background: var(--red-soft); color: var(--red); }
.badge-yellow { background: var(--yellow-soft); color: var(--yellow); }
.badge-green { background: var(--green-soft); color: var(--green); }
.badge-orange { background: var(--orange-soft); color: var(--orange); }

/* Due Today Panel */
.due-panel { background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 18px 20px; margin-bottom: 20px; box-shadow: var(--shadow); }
.due-empty { text-align: center; padding: 20px; color: var(--muted); font-size: 13px; font-weight: 500; }
.due-empty span { font-size: 24px; display: block; margin-bottom: 6px; }

.due-items { display: flex; flex-direction: column; gap: 8px; }
.due-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; background: var(--surface2);
  border-radius: 8px; border: 1px solid var(--border);
  transition: all .15s; cursor: pointer;
}
.due-item:hover { border-color: var(--accent); background: var(--accent-soft); }
.due-item-title { flex: 1; font-size: 13px; font-weight: 600; }
.due-item-topic { font-size: 11px; color: var(--muted); font-weight: 500; }
.due-item-meta { display: flex; flex-direction: row; align-items: center; gap: 6px; flex-shrink: 0; }
.due-overdue { font-size: 10px; font-weight: 700; color: var(--red); }

/* Topic Progress Grid */
.topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 20px; }
.topic-card {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
  cursor: pointer; transition: all .2s; box-shadow: var(--shadow);
}
.topic-card:hover { border-color: var(--accent); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.tc-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; gap: 8px; }
.tc-name { font-size: 13px; font-weight: 700; line-height: 1.3; }
.tc-pct { font-size: 13px; font-weight: 800; color: var(--accent); flex-shrink: 0; }
.tc-bar { background: var(--surface2); border-radius: 3px; height: 4px; overflow: hidden; }
.tc-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--purple)); border-radius: 3px; transition: width .5s; }
.tc-counts { display: flex; justify-content: space-between; margin-top: 6px; font-size: 11px; color: var(--muted); font-weight: 500; }

/* Hard Questions Reminder */
.hard-panel {
  background: var(--surface); border: 1.5px solid var(--orange-soft);
  border-radius: var(--radius-lg); padding: 18px 20px; margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.hard-panel .section-title { color: var(--orange); }
.hard-item {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 14px; background: var(--surface2);
  border-radius: 8px; border: 1px solid var(--border);
  margin-bottom: 7px; cursor: pointer; transition: all .15s;
}
.hard-item:hover { border-color: var(--orange); background: var(--orange-soft); }
.hard-item:last-child { margin-bottom: 0; }
.hi-title { flex: 1; font-size: 13px; font-weight: 600; }
.hi-meta { font-size: 11px; color: var(--muted); font-weight: 500; }
.flame { font-size: 14px; }

/* Streak widget */
.streak-card {
  background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
  border-radius: var(--radius-lg); padding: 18px 20px; color: white;
  margin-bottom: 20px; position: relative; overflow: hidden;
  box-shadow: var(--shadow-md);
}
.streak-card::after {
  content: '🔥'; position: absolute; right: 16px; top: 50%;
  transform: translateY(-50%); font-size: 48px; opacity: .25;
}
.streak-label { font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; opacity: .85; }
.streak-val { font-size: 40px; font-weight: 800; letter-spacing: -2px; margin: 4px 0; }
.streak-sub { font-size: 12px; opacity: .8; font-weight: 500; }

/* QUESTION TABLE VIEW */
/* FILTER PANEL */
.filters-panel {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
/* Each filter row — one row per filter type */
.filter-row {
  display: flex; align-items: center;
  padding: 0 0 0 0; gap: 0; flex-wrap: nowrap;
  border-bottom: 1px solid var(--border); min-height: 44px;
}
.filter-row:last-child { border-bottom: none; }
/* Left label column */
.filter-row-label {
  font-size: 10px; font-weight: 800; color: var(--muted);
  letter-spacing: 1px; text-transform: uppercase;
  white-space: nowrap; flex-shrink: 0;
  width: 96px; padding: 0 0 0 16px;
}
/* Vertical separator after label */
.filter-row-sep {
  width: 1px; height: 22px; background: var(--border);
  flex-shrink: 0; margin: 0 12px;
}
/* chips wrapper within a row */
.filter-row > .filter-chip,
.filter-row > .filter-select,
.filter-row > .q-count-badge,
.filter-row > .add-q-btn,
.filter-row > .filter-reset-btn { margin: 4px 3px; }
/* Compat — old filter-label/divider kept for history panel */
.filter-label {
  font-size: 9.5px; font-weight: 800; color: var(--muted);
  letter-spacing: 1px; text-transform: uppercase;
  white-space: nowrap; padding: 2px 8px 2px 2px;
  flex-shrink: 0; opacity: .7;
}
.filter-divider {
  width: 1px; height: 18px; background: var(--border);
  flex-shrink: 0; margin: 0 6px;
}
/* Compat */
.filter-section {
  display: flex; align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  gap: 0; min-height: 44px;
}
.filter-section:last-child { border-bottom: none; }
.filter-section-label {
  font-size: 10px; font-weight: 800; color: var(--muted);
  letter-spacing: 1.2px; text-transform: uppercase;
  min-width: 62px; max-width: 62px; flex-shrink: 0;
  padding-right: 10px; border-right: 1px solid var(--border);
  margin-right: 10px; white-space: nowrap; align-self: stretch;
  display: flex; align-items: center;
}
.filter-chips {
  display: flex; gap: 4px; flex-wrap: wrap; align-items: center;
  padding: 8px 0; flex: 1;
}
.filter-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 13px; border-radius: 6px; border: 1px solid transparent;
  font-size: 12.5px; font-weight: 500; cursor: pointer;
  background: transparent; color: var(--text);
  transition: all .15s; white-space: nowrap;
}
.filter-chip:hover { background: var(--surface2); border-color: var(--border); }
.filter-chip.active {
  background: var(--accent-soft); color: var(--accent);
  font-weight: 700; border-color: rgba(59,108,247,.25);
  text-decoration: underline; text-underline-offset: 3px;
}

/* E / M / H letter badges inside difficulty chips */
.fcbadge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; border-radius: 5px;
  font-size: 10px; font-weight: 800; flex-shrink: 0;
  letter-spacing: 0;
}
.fcbadge-easy   { background: var(--green-soft);  color: var(--green); }
.fcbadge-medium { background: var(--yellow-soft); color: var(--yellow); }
.fcbadge-hard   { background: var(--red-soft);    color: var(--red); }
.diff-chip-easy:hover   { color: var(--green); }
.diff-chip-medium:hover { color: var(--yellow); }
.diff-chip-hard:hover   { color: var(--red); }
.diff-chip-easy.active   { color: var(--green);  background: var(--green-soft);  border-color: var(--green); text-decoration: none; }
.diff-chip-medium.active { color: var(--yellow); background: var(--yellow-soft); border-color: var(--yellow); text-decoration: none; }
.diff-chip-hard.active   { color: var(--red);    background: var(--red-soft);    border-color: var(--red); text-decoration: none; }

/* Status & tag active — colored underline style matching the screenshot */
.filter-chip[data-fval="solved"].active   { color: var(--green);  background: transparent; text-decoration: underline; text-decoration-color: var(--green); text-underline-offset: 3px; border-color: transparent; }
.filter-chip[data-fval="due"].active      { color: var(--orange); background: transparent; text-decoration: underline; text-decoration-color: var(--orange); text-underline-offset: 3px; border-color: transparent; }
.filter-chip[data-fval="notes"].active    { color: var(--purple); background: transparent; text-decoration: underline; text-decoration-color: var(--purple); text-underline-offset: 3px; border-color: transparent; }
.filter-chip[data-fval="unsolved"].active { color: var(--muted);  background: transparent; text-decoration: underline; text-decoration-color: var(--muted); text-underline-offset: 3px; border-color: transparent; }
/* Active "All" chip */
.filter-chip[data-fval="all"].active { background: var(--surface2); color: var(--text); font-weight: 700; border-color: var(--border); text-decoration: none; }
/* Tag variants */
.filter-chip[data-fval="hard"].active      { color: var(--red);    background: var(--red-soft);    border-color: transparent; text-decoration: none; }
.filter-chip[data-fval="review"].active    { color: var(--orange); background: var(--orange-soft); border-color: transparent; text-decoration: none; }
.filter-chip[data-fval="mastered"].active  { color: var(--green);  background: var(--green-soft);  border-color: transparent; text-decoration: none; }
.filter-chip[data-fval="important"].active { color: #f59e0b;       background: rgba(245,158,11,.1); border-color: transparent; text-decoration: none; }
.filter-chip[data-fval="tricky"].active    { color: var(--accent); background: var(--accent-soft); border-color: transparent; text-decoration: none; }
.filter-chip[data-fval="revisit"].active   { color: var(--purple); background: var(--purple-soft); border-color: transparent; text-decoration: none; }

/* Topic + count row */
.filter-section-right {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; flex: 1; flex-wrap: wrap;
}
.filter-select {
  padding: 5px 28px 5px 10px; border-radius: 7px;
  border: 1.5px solid var(--border2);
  background: var(--surface2); color: var(--text);
  font-size: 12px; font-weight: 600; cursor: pointer;
  outline: none; transition: all .15s; font-family: inherit;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238892aa'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 9px center;
}
.filter-select:focus { border-color: var(--accent); }

/* History filters — compact grid that works on all screen sizes */
.hist-filters-panel { padding: 0 !important; }
.hist-filter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 12px 12px 4px;
}
@media (max-width: 700px) {
  .hist-filter-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 7px;
    padding: 10px 10px 2px;
  }
  .hist-filter-grid .filter-select {
    width: 100%; font-size: 12px !important; padding: 6px 24px 6px 8px !important;
  }
}
@media (max-width: 400px) {
  .hist-filter-grid { grid-template-columns: 1fr 1fr; gap: 6px; }
}
.q-count-badge {
  padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700;
  background: var(--accent-soft); color: var(--accent); white-space: nowrap;
}
.filter-reset-btn {
  padding: 4px 10px; border-radius: 6px; border: 1.5px solid var(--red-soft);
  font-size: 11px; font-weight: 700; cursor: pointer;
  background: var(--red-soft); color: var(--red);
  transition: all .15s; font-family: inherit;
}
.filter-reset-btn:hover { background: var(--red); color: #fff; border-color: var(--red); }
.fc-review { color: var(--orange); }

.q-table { background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.q-thead {
  display: grid; grid-template-columns: 2fr 56px 90px 100px 90px 1fr;
  padding: 10px 16px; border-bottom: 1px solid var(--border);
  background: var(--surface2); font-size: 11px; font-weight: 700;
  color: var(--muted); letter-spacing: .5px; text-transform: uppercase;
  align-items: center; gap: 10px;
}
.q-thead > * { white-space: nowrap; }
.q-row {
  display: grid; grid-template-columns: 2fr 56px 90px 100px 90px 1fr;
  padding: 10px 16px; border-bottom: 1px solid var(--border);
  align-items: center; gap: 8px; transition: background .12s; cursor: pointer;
}
.q-row:last-child { border-bottom: none; }
.q-row:hover { background: var(--surface2); }
.q-title-done { text-decoration: line-through; color: var(--muted); }
.q-row.is-hard { border-left: 3px solid var(--red); padding-left: 13px; }
.q-row.due-now { border-left: 3px solid var(--accent); padding-left: 13px; }

.snooze-table {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow);
}
.snooze-head {
  display: grid;
  grid-template-columns: minmax(260px, 2.3fr) minmax(120px, 1fr) minmax(90px, .7fr) minmax(170px, 1.1fr) minmax(90px, .7fr) minmax(120px, .8fr);
  padding: 10px 16px; border-bottom: 1px solid var(--border);
  background: var(--surface2); font-size: 11px; font-weight: 700;
  color: var(--muted); letter-spacing: .5px; text-transform: uppercase;
  align-items: center; gap: 12px;
}
.snooze-head > * { white-space: nowrap; }
.snooze-row {
  display: grid;
  grid-template-columns: minmax(260px, 2.3fr) minmax(120px, 1fr) minmax(90px, .7fr) minmax(170px, 1.1fr) minmax(90px, .7fr) minmax(120px, .8fr);
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  align-items: center; gap: 12px; transition: background .12s; cursor: pointer;
}
.snooze-row:last-child { border-bottom: none; }
.snooze-row:hover { background: var(--surface2); }
.snooze-problem {
  min-width: 0; display: flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 600;
}
.snooze-topic {
  font-size: 12px; color: var(--text2); font-weight: 500;
  min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.snooze-date-shift {
  display: flex; align-items: center; gap: 4px;
  font-size: 12px; white-space: nowrap;
}
.snooze-when { font-size: 11px; color: var(--muted); white-space: nowrap; }
.snooze-actions { display: flex; gap: 4px; align-items: center; justify-content: flex-start; }

.q-title { font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 7px; overflow: hidden; }
.q-title-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.q-links { display: flex; gap: 5px; flex-shrink: 0; }
.q-link {
  padding: 2px 7px; border-radius: 4px; font-size: 10px; font-weight: 700;
  transition: all .15s; border: 1px solid transparent;
}
.q-link.lc { background: rgba(255,161,22,.12); color: #f59e0b; border-color: rgba(245,158,11,.2); }
.q-link.lc:hover { background: #f59e0b; color: #fff; }
.q-link.gfg { background: rgba(22,163,74,.12); color: var(--green); border-color: rgba(22,163,74,.2); }
.q-link.gfg:hover { background: var(--green); color: #fff; }
.q-link.leetcode { background: rgba(255,161,22,.12); color: #f59e0b; border-color: rgba(245,158,11,.2); }
.q-link.leetcode:hover { background: #f59e0b; color: #fff; }
.q-link.geeksforgeeks { background: rgba(22,163,74,.12); color: var(--green); border-color: rgba(22,163,74,.2); }
.q-link.geeksforgeeks:hover { background: var(--green); color: #fff; }
.q-link.codeforces { background: rgba(59,130,246,.12); color: #3b82f6; border-color: rgba(59,130,246,.2); }
.q-link.codeforces:hover { background: #3b82f6; color: #fff; }
.q-link.codechef { background: rgba(239,68,68,.12); color: #ef4444; border-color: rgba(239,68,68,.2); }
.q-link.codechef:hover { background: #ef4444; color: #fff; }
.q-link.hackerrank { background: rgba(34,197,94,.12); color: #22c55e; border-color: rgba(34,197,94,.2); }
.q-link.hackerrank:hover { background: #22c55e; color: #fff; }
.q-link.codingninjas { background: rgba(249,115,22,.12); color: #f97316; border-color: rgba(249,115,22,.2); }
.q-link.codingninjas:hover { background: #f97316; color: #fff; }
.q-link.atcoder { background: rgba(168,85,247,.12); color: #a855f7; border-color: rgba(168,85,247,.2); }
.q-link.atcoder:hover { background: #a855f7; color: #fff; }
.q-link.hackerearth { background: rgba(99,102,241,.12); color: #6366f1; border-color: rgba(99,102,241,.2); }
.q-link.hackerearth:hover { background: #6366f1; color: #fff; }
.q-link.neetcode { background: rgba(20,184,166,.12); color: #14b8a6; border-color: rgba(20,184,166,.2); }
.q-link.neetcode:hover { background: #14b8a6; color: #fff; }
.q-link.binarysearch { background: rgba(132,204,22,.12); color: #84cc16; border-color: rgba(132,204,22,.2); }
.q-link.binarysearch:hover { background: #84cc16; color: #fff; }
.q-link.interviewbit { background: rgba(0,180,216,.12); color: #00b4d8; border-color: rgba(0,180,216,.2); }
.q-link.interviewbit:hover { background: #00b4d8; color: #fff; }
.q-link.takeuforward { background: rgba(225,29,72,.12); color: #e11d48; border-color: rgba(225,29,72,.2); }
.q-link.takeuforward:hover { background: #e11d48; color: #fff; }
.q-link.generic-link { background: var(--surface2); color: var(--muted); border-color: var(--border2); }
.q-link.generic-link:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.diff-badge {
  padding: 3px 9px; border-radius: 20px; font-size: 11px; font-weight: 700;
  display: inline-flex; align-items: center; width: fit-content;
}
.diff-Easy { background: var(--green-soft); color: var(--green); }
.diff-Medium { background: var(--yellow-soft); color: var(--yellow); }
.diff-Hard { background: var(--red-soft); color: var(--red); }

/* ── Row inline metadata ── */
.row-review {
  font-size: 11px; font-weight: 700; display: inline-flex;
  align-items: center; gap: 3px; white-space: nowrap;
}
.row-review.overdue   { color: var(--red); }
.row-review.due-today { color: var(--accent); }
.row-review.scheduled { color: var(--muted); }
.row-review-none { font-size: 12px; color: var(--border2); }
.row-last-solved { font-size: 11px; font-weight: 600; color: var(--muted); }
.row-status-dual { display: flex; flex-direction: column; gap: 3px; }
.row-status-pill {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; font-weight: 700; white-space: nowrap;
  color: var(--muted);
}

.row-status {
  display: inline-flex; align-items: center;
  padding: 3px 9px; border-radius: 5px;
  font-size: 11px; font-weight: 700; white-space: nowrap;
}
.st-done { background: var(--green-soft);  color: var(--green); }
.st-due  { background: var(--accent-soft); color: var(--accent); }
.st-open { background: var(--surface2);    color: var(--muted); }

.row-tags-cell {
  display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
}
.row-tag {
  width: 22px; height: 22px; border-radius: 5px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; flex-shrink: 0;
}
.row-note-icon {
  font-size: 13px; opacity: .8;
}
.row-my-diff {
  padding: 2px 6px; border-radius: 4px; font-size: 10px; font-weight: 800;
}

/* Compact diff badge (first letter only in row) */
.q-row .diff-badge { padding: 3px 8px; font-size: 11px; }
.q-th-sortable {
  cursor: pointer; user-select: none;
  display: flex; align-items: center; gap: 4px;
  transition: color .15s;
}
.q-th-sortable:hover { color: var(--text); }
.q-th-sortable.sort-active { color: var(--accent); }
.sort-arrow { font-size: 10px; font-weight: 900; min-width: 8px; }

@media (max-width: 1100px) {
  .q-thead {
    grid-template-columns: minmax(260px, 2.4fr) 52px 84px 92px;
    padding: 9px 14px;
    gap: 8px;
  }
  .q-row {
    grid-template-columns: minmax(260px, 2.4fr) 52px 84px 92px;
    padding: 10px 14px;
    gap: 8px;
  }
  .q-thead > *:nth-child(5),
  .q-thead > *:nth-child(6),
  .q-row > *:nth-child(5),
  .q-row > *:nth-child(6) {
    display: none !important;
  }
  .q-title {
    gap: 6px;
  }
  .q-title-text {
    font-size: 13px;
  }
  .q-links {
    display: none !important;
  }
  .row-status-dual {
    gap: 2px;
  }
  .row-status-pill,
  .row-status,
  .row-review,
  .row-review-none {
    font-size: 10px;
  }
}

.sr-display {
  font-size: 11px; font-weight: 600;
  display: flex; align-items: center; gap: 4px;
}
.sr-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.sr-due { color: var(--accent); }
.sr-overdue { color: var(--red); }
.sr-scheduled { color: var(--muted); }

.action-btns { display: flex; gap: 4px; }
.ab { 
  width: 28px; height: 28px; border-radius: 6px; border: none;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 13px; transition: all .15s; background: var(--surface2);
}
.ab:hover { transform: scale(1.1); }
.ab-note:hover { background: var(--accent-soft); }
.ab-hard:hover { background: var(--red-soft); }
.ab.is-hard { background: var(--red-soft); color: var(--red); }

.q-done-check {
  width: 18px; height: 18px; border-radius: 4px; border: 2px solid var(--border2);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all .15s; background: transparent;
}
.q-done-check.checked { background: var(--green); border-color: var(--green); }
.q-done-check.checked::after { content: '✓'; color: white; font-size: 11px; font-weight: 800; }

/* ── Solve Timer — inline in footer ── */
.solve-timer-wrap {
  display: flex; align-items: center; gap: 5px;
  padding: 0; background: none; border: none; flex-shrink: 0;
  margin-right: auto; /* pushes cancel/save to the right */
}
.solve-timer-icon { font-size: 12px; color: var(--muted); }
.solve-timer-label { font-size: 11px; font-weight: 600; color: var(--muted); }
.solve-timer-display {
  font-family: 'Fira Code', monospace; font-size: 13px; font-weight: 700;
  color: var(--accent); letter-spacing: .5px; min-width: 40px;
}
.solve-timer-display.running { color: var(--green); }
.solve-timer-display.stopped { color: var(--muted); }
.solve-timer-pb {
  font-size: 10px; font-weight: 700; color: var(--muted);
  display: flex; align-items: center; gap: 3px;
  padding: 2px 7px; background: var(--surface2);
  border: 1px solid var(--border); border-radius: 20px;
}
.solve-timer-pb .pb-val { color: var(--purple); font-family: 'Fira Code', monospace; }
.timer-reset-btn {
  display: flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border-radius: 50%;
  border: 1.5px solid var(--border); background: var(--surface2);
  color: var(--muted); font-size: 11px; cursor: pointer;
  transition: all .15s; flex-shrink: 0; padding: 0; line-height: 1;
}
.timer-reset-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); transform: rotate(-40deg); }
.timer-pause-btn {
  display: flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border-radius: 50%;
  border: 1.5px solid var(--border); background: var(--surface2);
  color: var(--muted); font-size: 10px; cursor: pointer;
  transition: all .15s; flex-shrink: 0; padding: 0; line-height: 1;
}
.timer-pause-btn:hover { border-color: var(--orange); color: var(--orange); background: var(--orange-soft); }
.timer-pause-btn.paused { border-color: var(--green); color: var(--green); background: var(--green-soft); }
.solve-timer-display.paused { color: var(--orange); }

/* Personal best flash overlay */
@keyframes pbFlash {
  0%   { opacity: 0; transform: translateY(8px) scale(.96); }
  15%  { opacity: 1; transform: translateY(0) scale(1.02); }
  80%  { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-6px) scale(.98); }
}
/* ── Save Summary ── */
.save-summary { display: flex; flex-direction: column; gap: 5px; margin-top: 8px; }
.save-sum-row { display: flex; align-items: flex-start; gap: 8px; font-size: 12.5px; }
.save-sum-icon { font-size: 14px; min-width: 20px; line-height: 1.5; }
.save-sum-text { color: var(--text); line-height: 1.5; }
.save-sum-text strong { color: var(--text); font-weight: 700; }
#confirm-subtitle { text-align: left; }

.pb-toast {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%,-50%);
  z-index: 99999; pointer-events: none;
  background: linear-gradient(135deg, var(--purple), var(--accent));
  color: #fff; border-radius: 16px; padding: 18px 32px;
  text-align: center; box-shadow: 0 8px 40px rgba(0,0,0,.25);
  animation: pbFlash 2.4s ease forwards;
}
.pb-toast-icon { font-size: 36px; line-height: 1; margin-bottom: 6px; }
.pb-toast-title { font-size: 18px; font-weight: 800; letter-spacing: -.3px; }
.pb-toast-sub { font-size: 13px; font-weight: 500; opacity: .85; margin-top: 3px; }

/* ── Drafts-on-load popup ── */
.drafts-popup-overlay {
  position: fixed; inset: 0; z-index: 99998;
  background: rgba(0,0,0,.35); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center;
  animation: fadeInOverlay .2s ease;
}
@keyframes fadeInOverlay { from { opacity: 0; } to { opacity: 1; } }
.drafts-popup {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.25);
  width: 560px; max-width: calc(100vw - 32px);
  max-height: 86vh; display: flex; flex-direction: column;
  animation: slideUpPop .25s cubic-bezier(.34,1.56,.64,1);
  overflow: hidden;
}
@keyframes slideUpPop { from { opacity:0; transform:translateY(20px) scale(.97); } to { opacity:1; transform:none; } }
.drafts-popup-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.drafts-popup-title { font-size: 15px; font-weight: 800; color: var(--text); display: flex; align-items: center; gap: 8px; }
.drafts-popup-close { width: 28px; height: 28px; border-radius: 8px; border: none; background: var(--surface2); cursor: pointer; font-size: 14px; color: var(--muted); display: flex; align-items: center; justify-content: center; transition: all .15s; }
.drafts-popup-close:hover { background: var(--red-soft); color: var(--red); }
.drafts-popup-body { overflow-y: auto; padding: 12px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.drafts-popup-sub { font-size: 12px; color: var(--muted); padding: 0 8px 4px; }
.draft-q-item {
  display: flex; flex-direction: column; align-items: stretch; gap: 8px;
  padding: 12px 14px; border-radius: 10px; cursor: pointer;
  border: 1.5px solid var(--border); background: var(--surface);
  transition: all .15s;
}
.draft-q-item:hover { border-color: var(--accent); background: var(--accent-soft); }
.draft-q-badge-row { display: flex; align-items: center; gap: 8px; min-width: 0; }
.draft-q-main { display: flex; align-items: center; gap: 10px; min-width: 0; }
.draft-q-icon { font-size: 20px; flex-shrink: 0; }
.draft-q-info { flex: 1; min-width: 0; }
.draft-q-title { font-size: 13px; font-weight: 700; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.draft-q-meta { font-size: 11px; color: var(--muted); margin-top: 2px; display: flex; gap: 8px; flex-wrap: wrap; }
.draft-q-arrow { color: var(--muted); font-size: 16px; flex-shrink: 0; }
.drafts-popup-footer { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; flex-shrink: 0; }
@media (max-width: 640px) {
  .drafts-popup {
    width: min(100vw - 20px, 560px);
    max-height: min(88dvh, 88vh);
  }
  .drafts-popup-header {
    padding: 14px 16px;
  }
  .drafts-popup-body {
    padding: 10px;
  }
  .drafts-popup-sub {
    padding: 0 4px 2px;
  }
  .draft-q-item {
    padding: 12px;
  }
  .draft-q-main {
    align-items: flex-start;
  }
  .draft-q-title {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    line-height: 1.35;
  }
  .draft-q-arrow {
    align-self: center;
  }
  .drafts-popup-footer {
    padding: 12px;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .drafts-popup-footer .btn {
    width: 100%;
    justify-content: center;
  }
  .minimized-notes-dock {
    right: 10px;
    bottom: 10px;
    width: min(100vw - 20px, 300px);
  }
  .minimized-note-card {
    padding: 9px 10px;
  }
}

/* ── Notes page ── */
.notes-page-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 14px; flex-wrap: wrap;
}
.notes-tabs { display: flex; gap: 4px; background: var(--surface2); padding: 3px; border-radius: 10px; }
.notes-tab {
  padding: 7px 18px; border-radius: 8px; border: none; cursor: pointer;
  font-size: 13px; font-weight: 700; background: transparent; color: var(--muted);
  transition: all .15s; font-family: inherit;
}
.notes-tab.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,.1); }
.notes-search-wrap { flex: 1; max-width: 280px; }
.notes-search {
  width: 100%; padding: 8px 14px; border-radius: 8px; border: 1.5px solid var(--border);
  background: var(--surface); color: var(--text); font-size: 13px; font-family: inherit;
  outline: none; transition: border-color .15s;
}
.notes-search:focus { border-color: var(--accent); }
.note-card {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-lg); padding: 14px 18px; margin-bottom: 10px;
  box-shadow: var(--shadow); cursor: pointer; transition: border-color .15s;
}
.note-card:hover { border-color: var(--accent); }
.note-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.note-card-title { font-size: 14px; font-weight: 700; color: var(--text); }
.note-card-meta { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.note-card-body { font-size: 13px; color: var(--text2); line-height: 1.6; padding: 10px 12px; background: var(--surface2); border-radius: 7px; white-space: pre-wrap; word-break: break-word; }
.note-card-tags { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 8px; }
.note-tag { padding: 2px 8px; border-radius: 10px; font-size: 10px; font-weight: 700; background: var(--accent-soft); color: var(--accent); }
.note-solution-block { margin-top: 10px; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.note-solution-name { font-size: 12px; font-weight: 700; color: var(--accent); padding: 6px 12px; background: var(--accent-soft); }
.note-solution-complexity { font-size: 11px; color: var(--muted); padding: 4px 12px; font-weight: 600; background: var(--surface2); }
.note-solution-code { font-size: 11.5px; font-family: 'Fira Code', monospace; color: var(--text2); background: var(--surface2); padding: 10px 12px; margin: 0; line-height: 1.6; overflow-x: auto; max-height: 120px; white-space: pre; }

/* ── History tabs ── */
.hist-scope-btn {
  padding:3px 9px;border-radius:5px;border:none;cursor:pointer;
  font-size:11px;font-weight:700;font-family:inherit;
  background:transparent;color:var(--muted);transition:all .15s;
}
.hist-scope-btn.active {
  background:var(--accent-soft);color:var(--accent);
}
.hist-scope-btn:hover:not(.active) { background:var(--border); color:var(--text); }

.hist-tabs-bar {
  display: flex; align-items: center; gap: 2px;
  border-bottom: 2px solid var(--border); margin-bottom: 18px;
  flex-wrap: wrap;
}
.hist-tab {
  padding: 9px 20px; border: none; background: none; cursor: pointer;
  font-size: 13px; font-weight: 700; color: var(--muted); font-family: inherit;
  border-bottom: 3px solid transparent; margin-bottom: -2px;
  transition: color .15s, border-color .15s; outline: none;
}
.hist-tab:hover { color: var(--text); }
.hist-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
#hist-summary-strip { display: flex; gap: 8px; flex-wrap: wrap; }

/* History Stats — clean dashboard */
.hist-stats-grid {
  display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px;
}
/* Row 1: KPI strip full-width */
/* Row 2: big chart + right sidebar */
.hst-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: stretch; }
.hst-row > .hst-card { flex: 1 1 200px; min-width: 0; display: flex; flex-direction: column; }
.hst-row-sidebar { display: flex; flex-direction: column; gap: 12px; width: 240px; flex-shrink: 0; }
@media (max-width: 900px) { .hst-row { flex-direction: column; } .hst-row-sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; } }
@media (max-width: 600px) { .hst-row-sidebar > * { flex: 1 1 calc(50% - 6px); } }

/* Base card */
.hst-card {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 14px; padding: 18px 20px; box-shadow: var(--shadow);
  flex: 1; min-width: 0;
}
.hst-card-title {
  font-size: 10px; font-weight: 800; color: var(--muted);
  text-transform: uppercase; letter-spacing: .8px; margin-bottom: 16px;
}

/* ── KPI strip ── */
.hst-kpi-strip { display: flex; gap: 0; padding: 0; overflow-x: auto; }
.hst-kpi {
  flex: 1 0 120px; padding: 14px 20px; text-align: center;
  border-right: 1.5px solid var(--border); position: relative;
  white-space: nowrap;
}
.hst-kpi:last-child { border-right: none; }
.hst-kpi-val { font-size: 24px; font-weight: 800; line-height: 1; letter-spacing: -1px; }
.hst-kpi-lbl { font-size: 10px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .4px; margin-top: 4px; white-space: nowrap; }
.hst-kpi-sub { font-size: 10px; font-weight: 600; margin-top: 3px; white-space: nowrap; }
@media (max-width: 600px) { .hst-kpi-val { font-size: 18px; } .hst-kpi-lbl { font-size: 9px; } }

/* ── SVG chart ── */
.hst-chart-card { width: 100%; min-width: 0; }
.hst-svg-wrap { position: relative; width: 100%; margin-top: 4px; }
.hst-svg-wrap svg { width: 100%; height: auto; max-height: 220px; display: block; }
.hst-month-switcher {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 2px; border: 1.5px solid var(--border); border-radius: 8px;
  background: var(--surface2);
}
.hst-month-btn {
  width: 22px; height: 22px; border: none; border-radius: 6px;
  background: var(--surface); color: var(--text); cursor: pointer;
  font-size: 13px; font-weight: 800; line-height: 1; transition: all .15s;
}
.hst-month-btn:hover:not(:disabled) { background: var(--accent-soft); color: var(--accent); }
.hst-month-btn:disabled { opacity: .4; cursor: not-allowed; }
.hst-month-label {
  min-width: 104px; text-align: center; font-size: 10px; font-weight: 800;
  color: var(--text); letter-spacing: .02em;
}
@media (max-width: 760px) {
  .hst-month-label { min-width: 94px; }
}

/* ── Sidebar cards ── */
/* Difficulty */
.hst-diff-list { display: flex; flex-direction: column; gap: 10px; }
.hst-diff-item { display: flex; flex-direction: column; gap: 4px; }
.hst-diff-header { display: flex; justify-content: space-between; align-items: baseline; }
.hst-diff-name { font-size: 12px; font-weight: 700; }
.hst-diff-num { font-size: 18px; font-weight: 800; line-height: 1; }
.hst-diff-track { height: 6px; background: var(--surface2); border-radius: 99px; overflow: hidden; }
.hst-diff-fill { height: 100%; border-radius: 99px; transition: width .5s cubic-bezier(.4,0,.2,1); }

/* Day of week */
.hst-dow-wrap { display: flex; align-items: flex-end; gap: 5px; height: 56px; margin-top: 4px; }
.hst-dow-col { display: flex; flex-direction: column; align-items: center; gap: 2px; flex: 1; }
.hst-dow-bar { width: 100%; border-radius: 3px 3px 0 0; cursor: default; transition: filter .15s; }
.hst-dow-bar:hover { filter: brightness(1.15); }
.hst-dow-lbl { font-size: 9px; color: var(--muted); font-weight: 600; }
.hst-dow-num { font-size: 9px; font-weight: 800; color: var(--text); min-height: 12px; }

/* Top topics */
.hst-topic-list { display: flex; flex-direction: column; gap: 8px; }
.hst-topic-row { display: flex; align-items: center; gap: 8px; }
.hst-topic-rank { font-size: 11px; font-weight: 800; color: var(--muted); width: 16px; flex-shrink: 0; text-align: center; }
.hst-topic-name { font-size: 12px; color: var(--text); font-weight: 500; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hst-topic-bar-wrap { width: 60px; flex-shrink: 0; }
.hst-topic-track { height: 4px; background: var(--surface2); border-radius: 99px; overflow: hidden; }
.hst-topic-fill { height: 100%; border-radius: 99px; background: var(--accent); }
.hst-topic-num { font-size: 12px; font-weight: 800; width: 22px; text-align: right; color: var(--text); flex-shrink: 0; }

/* Time distribution */
.hst-time-list { display: flex; flex-direction: column; gap: 8px; }
.hst-time-row { display: flex; align-items: center; gap: 8px; }
.hst-time-lbl { font-size: 10px; font-weight: 700; color: var(--muted); width: 50px; flex-shrink: 0; white-space: nowrap; }
.hst-time-track { flex: 1; height: 5px; background: var(--surface2); border-radius: 99px; overflow: hidden; }
.hst-time-fill { height: 100%; border-radius: 99px; transition: width .5s cubic-bezier(.4,0,.2,1); }
.hst-time-num { font-size: 11px; font-weight: 800; width: 20px; text-align: right; color: var(--text); flex-shrink: 0; }
.hst-card-footer { font-size: 11px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 10px; margin-top: 10px; }

/* ── Draft restore bar ── */
.draft-restore-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: linear-gradient(135deg, rgba(59,108,247,.07), rgba(139,92,246,.05));
  border-top: none; border-left: none; border-right: none;
  border-bottom: 1.5px solid var(--accent);
  border-top: 1.5px solid var(--accent);
  padding: 10px 16px; flex-wrap: wrap; flex-shrink: 0;
}
.draft-restore-info { display: flex; align-items: flex-start; gap: 10px; flex: 1; min-width: 0; }
.draft-restore-icon { font-size: 22px; line-height: 1; }
.draft-restore-title { font-size: 13px; font-weight: 700; color: var(--accent); }
.draft-restore-sub { font-size: 11px; color: var(--muted); margin-top: 2px; }
.draft-restore-btns { display: flex; gap: 8px; flex-shrink: 0; }
.draft-restore-yes { background: var(--accent) !important; color: #fff !important; border: none !important; }
@keyframes fadeOut { to { opacity: 0; transform: translateY(-4px); } }
@media (max-width: 640px) {
  .draft-restore-bar {
    padding: 10px 12px;
    align-items: stretch;
  }
  .draft-restore-info {
    width: 100%;
  }
  .draft-restore-btns {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .draft-restore-btns .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Attempt pills with time */
.attempt-pill-time {
  font-size: 9px; font-weight: 700; opacity: .75;
  background: rgba(0,0,0,.1); border-radius: 6px;
  padding: 0px 4px; margin-left: 3px; font-family: 'Fira Code', monospace;
}
.attempt-pill-time.pb { color: var(--purple); opacity: 1; background: var(--purple-soft); }

/* ── Modal header link pills ── */
.modal-link-pill {
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 10px; font-weight: 800; padding: 3px 9px;
  border-radius: 6px; text-decoration: none;
  letter-spacing: .3px; transition: all .15s; flex-shrink: 0;
  border: 1.5px solid;
}
.lc-pill  { background: var(--yellow-soft); color: var(--yellow); border-color: rgba(234,179,8,.4); }
.gfg-pill { background: var(--green-soft);  color: var(--green);  border-color: rgba(22,163,74,.4); }
.lc-pill:hover  { background: var(--yellow); color: #fff; border-color: var(--yellow); }
.gfg-pill:hover { background: var(--green);  color: #fff; border-color: var(--green); }
.generic-pill:hover { opacity: .8; }

/* Platform-specific modal pills */
.leetcode-pill  { background: rgba(245,158,11,.12); color: #f59e0b; border-color: rgba(245,158,11,.4); }
.leetcode-pill:hover  { background: #f59e0b; color: #fff; }
.geeksforgeeks-pill { background: var(--green-soft); color: var(--green); border-color: rgba(22,163,74,.4); }
.geeksforgeeks-pill:hover { background: var(--green); color: #fff; }
.codeforces-pill  { background: rgba(59,130,246,.12); color: #3b82f6; border-color: rgba(59,130,246,.4); }
.codeforces-pill:hover  { background: #3b82f6; color: #fff; }
.codechef-pill    { background: rgba(239,68,68,.12); color: #ef4444; border-color: rgba(239,68,68,.4); }
.codechef-pill:hover    { background: #ef4444; color: #fff; }
.hackerrank-pill  { background: rgba(34,197,94,.12); color: #22c55e; border-color: rgba(34,197,94,.4); }
.hackerrank-pill:hover  { background: #22c55e; color: #fff; }
.codingninjas-pill { background: rgba(249,115,22,.12); color: #f97316; border-color: rgba(249,115,22,.4); }
.codingninjas-pill:hover { background: #f97316; color: #fff; }
.atcoder-pill     { background: rgba(168,85,247,.12); color: #a855f7; border-color: rgba(168,85,247,.4); }
.atcoder-pill:hover     { background: #a855f7; color: #fff; }
.hackerearth-pill { background: rgba(99,102,241,.12); color: #6366f1; border-color: rgba(99,102,241,.4); }
.hackerearth-pill:hover { background: #6366f1; color: #fff; }
.neetcode-pill    { background: rgba(20,184,166,.12); color: #14b8a6; border-color: rgba(20,184,166,.4); }
.neetcode-pill:hover    { background: #14b8a6; color: #fff; }
.binarysearch-pill { background: rgba(132,204,22,.12); color: #84cc16; border-color: rgba(132,204,22,.4); }
.binarysearch-pill:hover { background: #84cc16; color: #fff; }
.interviewbit-pill  { background: rgba(0,180,216,.12); color: #00b4d8; border-color: rgba(0,180,216,.4); }
.interviewbit-pill:hover  { background: #00b4d8; color: #fff; }
.takeuforward-pill  { background: rgba(225,29,72,.12); color: #e11d48; border-color: rgba(225,29,72,.4); }
.takeuforward-pill:hover  { background: #e11d48; color: #fff; }

/* ── Cmd palette section badges ── */
.cmd-item-type {
  font-size: 9px; font-weight: 700; padding: 2px 6px; border-radius: 6px;
  text-transform: uppercase; letter-spacing: .3px; flex-shrink: 0;
  background: var(--surface2); color: var(--muted);
}
.cmd-item-type.note  { background: var(--yellow-soft);  color: var(--yellow); }
.cmd-item-type.hist  { background: var(--purple-soft);  color: var(--purple); }
.cmd-item-type.nav   { background: var(--accent-soft);  color: var(--accent); }
.cmd-item-snippet {
  font-size: 11px; color: var(--muted); font-weight: 400;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 260px;
}

/* Notes Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  display: none; align-items: center; justify-content: center;
  z-index: 9999; padding: 20px; backdrop-filter: blur(4px);
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-lg); width: 100%; max-width: 1080px;
  height: 88vh; display: flex; flex-direction: column;
  box-shadow: var(--shadow-lg); animation: slideUp .2s ease; overflow: hidden;
}
.modal-body {
  flex: 1; min-height: 0; display: flex; flex-direction: row;
  gap: 0; padding: 0;
  overflow: hidden;
}
.modal-col-left {
  flex: 0 0 380px; display: flex; flex-direction: column; gap: 16px;
  padding: 20px; overflow-y: auto; border-right: 1px solid var(--border);
}
.modal-col-right {
  flex: 1; display: flex; flex-direction: column;
  padding: 16px 20px; overflow: hidden; min-width: 0; min-height: 0;
}
.modal-col-right-inner {
  flex: 1; overflow-y: auto; min-height: 0;
}
.modal-footer { flex-shrink: 0; }
@keyframes slideUp { from { transform: translateY(16px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-header {
  flex-shrink: 0; padding: 18px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
}
.modal-title { font-size: 16px; font-weight: 800; letter-spacing: -.3px; }
.modal-subtitle { font-size: 12px; color: var(--muted); margin-top: 3px; font-weight: 500; }
.modal-close {
  width: 30px; height: 30px; border-radius: 6px; border: none;
  background: var(--surface2); cursor: pointer; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all .15s; color: var(--text2);
}
.modal-close:hover { background: var(--red-soft); color: var(--red); }
#modal-mobile-history-toggle {
  display: none;
  height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border2);
  background: var(--surface2);
  color: var(--text2);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
}
#modal-mobile-history-toggle.is-visible {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
#modal-mobile-history-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.minimized-notes-dock {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 9997;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(320px, calc(100vw - 24px));
  pointer-events: none;
}
.minimized-note-card {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  background: color-mix(in srgb, var(--surface) 92%, white 8%);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 18px 34px rgba(10, 15, 35, 0.18);
  padding: 10px 12px;
  backdrop-filter: blur(14px);
}
.minimized-note-main {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}
.minimized-note-title {
  font-size: 12px;
  font-weight: 800;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.minimized-note-meta {
  margin-top: 3px;
  font-size: 10px;
  color: var(--muted);
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.minimized-note-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.minimized-note-btn {
  height: 28px;
  min-width: 28px;
  border-radius: 8px;
  border: 1.5px solid var(--border2);
  background: var(--surface2);
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  transition: all .15s;
}
.minimized-note-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.minimized-note-btn.discard:hover {
  border-color: var(--red);
  color: var(--red);
}

/* ── Approach Tabs ── */
.approach-tabs-bar {
  display: flex; align-items: center; gap: 4px;
  flex-shrink: 0; overflow-x: auto; padding-bottom: 0;
  border-bottom: 2px solid var(--border); margin-bottom: 14px;
  scrollbar-width: none;
}
.approach-tabs-bar::-webkit-scrollbar { display: none; }
.approach-tab {
  padding: 6px 14px; border-radius: 7px 7px 0 0; font-size: 12px; font-weight: 700;
  cursor: pointer; border: 1.5px solid transparent; border-bottom: none;
  color: var(--muted); background: transparent; white-space: nowrap;
  transition: all .15s; margin-bottom: -2px; position: relative;
}
.approach-tab:hover { color: var(--text); background: var(--surface2); }
.approach-tab.active {
  color: var(--accent); background: var(--surface);
  border-color: var(--border); border-bottom-color: var(--surface);
}
.approach-tab-add {
  padding: 5px 10px; border-radius: 6px; font-size: 12px; font-weight: 700;
  cursor: pointer; border: 1.5px dashed var(--border2); color: var(--muted);
  background: transparent; white-space: nowrap; transition: all .15s; margin-left: 2px;
}
.approach-tab-add:hover { border-color: var(--accent); color: var(--accent); }
.approach-tab-del {
  margin-left: 4px; font-size: 10px; color: var(--muted);
  cursor: pointer; padding: 1px 3px; border-radius: 3px;
  transition: all .15s; display: inline-block;
}
.approach-tab-del:hover { color: var(--red); background: var(--red-soft); }
.approach-tab-pane { display: none; flex-direction: column; gap: 12px; flex: 1; overflow-y: auto; min-height: 0; padding-right: 4px; }
.approach-tab-pane.active { display: flex; }
.approach-tabs-content { flex: 1; min-height: 0; overflow-y: auto; display: flex; flex-direction: column; }
.modal-col-right { flex: 1; display: flex; flex-direction: column; padding: 16px 20px; min-width: 0; min-height: 0; overflow: hidden; }
.field-label { font-size: 11px; font-weight: 700; color: var(--muted); letter-spacing: .5px; text-transform: uppercase; margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.field-label span { font-size: 13px; }
textarea.note-area {
  width: 100%; border: 1.5px solid var(--border2); border-radius: var(--radius-sm);
  background: var(--surface2); color: var(--text);
  padding: 12px; font-size: 13px; font-weight: 400; line-height: 1.6;
  resize: vertical; min-height: 90px; outline: none; transition: border .15s;
}
textarea.note-area:focus { border-color: var(--accent); }
textarea.note-area::placeholder { color: var(--muted); }
textarea.code-area {
  font-family: 'Fira Code', monospace; font-size: 12px;
  min-height: 160px; line-height: 1.7; tab-size: 2;
}

.tag-row { display: flex; gap: 6px; flex-wrap: wrap; }
.tag-chip {
  padding: 4px 12px; border-radius: 20px; font-size: 11px; font-weight: 600;
  border: 1.5px solid var(--border2); cursor: pointer; background: var(--surface2);
  color: var(--text2); transition: all .15s;
}
.tag-chip:hover { border-color: var(--accent); color: var(--accent); }
.tag-chip.selected { background: var(--accent); border-color: var(--accent); color: #fff; }
.tag-chip.tc-hard.selected { background: var(--red); border-color: var(--red); }
.tag-chip.tc-review.selected { background: var(--orange); border-color: var(--orange); }
.tag-chip.tc-mastered.selected { background: var(--green); border-color: var(--green); }

.difficulty-override { display: flex; gap: 6px; }
.diff-opt {
  flex: 1; padding: 8px; border-radius: 7px; border: 1.5px solid var(--border2);
  text-align: center; cursor: pointer; font-size: 12px; font-weight: 700;
  transition: all .15s; background: var(--surface2); color: var(--text2);
}
.diff-opt.easy.sel { background: var(--green-soft); border-color: var(--green); color: var(--green); }
.diff-opt.medium.sel { background: var(--yellow-soft); border-color: var(--yellow); color: var(--yellow); }
.diff-opt.hard.sel { background: var(--red-soft); border-color: var(--red); color: var(--red); }

.modal-footer {
  padding: 10px 14px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 8px; align-items: center;
}

/* Revision & Stats Views */
.rev-header { margin-bottom: 18px; }
.rev-header h3 { font-size: 18px; font-weight: 800; letter-spacing: -.4px; }
.rev-header p { color: var(--muted); font-size: 13px; margin-top: 4px; font-weight: 500; }
#view-review { min-width: 0; overflow-x: hidden; }
#rev-calendar-view { min-width: 0; width: 100%; }
.rev-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.rev-section { background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius-lg); padding: 16px 18px; box-shadow: var(--shadow); }
.rev-section-title { font-size: 13px; font-weight: 700; margin-bottom: 12px; display: flex; align-items: center; gap: 7px; }

/* Heatmap */
.heatmap-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.hm-cell {
  aspect-ratio: 1; border-radius: 3px; background: var(--surface2);
  border: 1px solid var(--border); cursor: default; transition: all .15s;
  position: relative;
}
.hm-cell[data-count="1"] { background: rgba(59,108,247,.3); border-color: rgba(59,108,247,.4); }
.hm-cell[data-count="2"] { background: rgba(59,108,247,.5); border-color: rgba(59,108,247,.6); }
.hm-cell[data-count="3"] { background: rgba(59,108,247,.7); border-color: rgba(59,108,247,.8); }
.hm-cell[data-count="4"] { background: var(--accent); border-color: var(--accent); }
[data-theme="dark"] .hm-cell[data-count="1"] { background: rgba(107,143,255,.3); }
[data-theme="dark"] .hm-cell[data-count="2"] { background: rgba(107,143,255,.5); }
[data-theme="dark"] .hm-cell[data-count="3"] { background: rgba(107,143,255,.7); }
[data-theme="dark"] .hm-cell[data-count="4"] { background: var(--accent); }

/* Empty state */
.empty-state { text-align: center; padding: 48px 20px; color: var(--muted); }
.empty-state .es-icon { font-size: 36px; margin-bottom: 12px; }
.empty-state h3 { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.empty-state p { font-size: 13px; font-weight: 500; }

/* Pagination / Load more */
.load-more-wrap { text-align: center; padding: 16px; border-top: 1px solid var(--border); }
.q-count-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; font-size: 12px; color: var(--muted); font-weight: 500; }

/* REVISION SCHEDULE */
.rev-tabs {
  display: flex; gap: 6px; margin-bottom: 18px;
}
.rev-tab {
  padding: 8px 18px; border-radius: 8px; border: 1.5px solid var(--border2);
  font-size: 13px; font-weight: 600; cursor: pointer;
  background: var(--surface); color: var(--text2); transition: all .15s;
}
.rev-tab:hover { border-color: var(--accent); color: var(--accent); }
.rev-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Calendar */
.cal-nav {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; width: 100%;
}
.cal-nav-btn {
  width: 32px; height: 32px; border-radius: 8px; border: 1.5px solid var(--border2);
  background: var(--surface); font-size: 16px; cursor: pointer; color: var(--text2);
  display: flex; align-items: center; justify-content: center; transition: all .15s;
}
.cal-nav-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.cal-month-label { font-size: 16px; font-weight: 800; letter-spacing: -.4px; display:flex;align-items:center;gap:8px; }
.cal-month-year { font-size: 13px; font-weight: 500; color: var(--muted); }

.cal-grid {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow);
  display: grid; grid-template-columns: repeat(7, minmax(0, 1fr));
  width: 100%; box-sizing: border-box;
}
.cal-day-header {
  padding: 8px 2px; text-align: center; font-size: 11px;
  font-weight: 800; color: var(--muted); letter-spacing: .3px;
  background: var(--surface2); border-bottom: 1.5px solid var(--border);
}
.cal-day-header.weekend { color: var(--accent); opacity: .7; }
#cal-cells { display: contents; }
#hist-cal-cells { display: contents; }
.cal-cell {
  min-height: 76px; padding: 6px 7px 5px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background .12s; position: relative;
  overflow: hidden; min-width: 0; box-sizing: border-box;
}
.cal-cell:last-child, .cal-cell:nth-child(7n) { border-right: none; }
.cal-cell:hover { background: var(--surface2); }
.cal-cell.other-month { opacity: .28; }
.cal-cell.today { background: var(--accent-soft); }
.cal-cell.has-items { cursor: pointer; }
.cal-cell.selected { background: var(--accent-soft); outline: 2px solid var(--accent); outline-offset: -2px; }
.cal-day-num {
  font-size: 12px; font-weight: 700; color: var(--text2);
  margin-bottom: 4px; display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
}
.cal-cell.today .cal-day-num { background: var(--accent); color: #fff; font-size: 11px; font-weight: 800; }
.cal-cell.has-solves .cal-day-num { box-shadow: 0 0 0 2px var(--green); }
.cal-cell.has-recovery .cal-day-num { box-shadow: 0 0 0 2px var(--orange); }
.cal-recovery-dot {
  position: absolute;
  top: 4px;
  right: 4px;
  font-size: 10px;
  line-height: 1;
}
.cal-solved-dot {
  position: absolute; top: 6px; right: 7px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--green); opacity: .8;
}
.cal-pills { display: flex; flex-direction: column; gap: 2px; margin-top: 2px; width: 100%; }
.cal-pill {
  font-size: 9.5px; font-weight: 600; padding: 2px 5px; border-radius: 4px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.4;
  max-width: 100%; display: block;
}
.cal-pill.overdue  { background: var(--red-soft);    color: var(--red); }
.cal-pill.due-today{ background: var(--accent-soft);  color: var(--accent); }
.cal-pill.upcoming { background: var(--green-soft);   color: var(--green); }
.cal-pill.more     { background: var(--surface2);     color: var(--muted); font-style: italic; }

.cal-detail {
  margin-top: 16px; background: var(--surface);
  border: 1.5px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-md);
}
.cal-detail-header {
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface2);
}
.cal-detail-date { font-size: 14px; font-weight: 800; }
.cal-detail-list-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 18px; border-bottom: 1px solid var(--border);
  transition: background .12s; cursor: pointer;
}
.cal-detail-list-item:last-child { border-bottom: none; }
.cal-detail-list-item:hover { background: var(--surface2); }
.cdi-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.cdi-title { flex: 1; font-size: 13px; font-weight: 600; }
.cdi-meta { font-size: 11px; color: var(--muted); font-weight: 500; }

/* Table view */
.rev-table-wrap { display: flex; flex-direction: column; gap: 18px; }
.rev-group-label {
  font-size: 12px; font-weight: 800; letter-spacing: .5px; text-transform: uppercase;
  padding: 8px 14px; border-radius: 6px; margin-bottom: 8px;
  display: inline-flex; align-items: center; gap: 7px;
}
.rgl-overdue { background: var(--red-soft); color: var(--red); }
.rgl-today { background: var(--accent-soft); color: var(--accent); }
.rgl-upcoming { background: var(--green-soft); color: var(--green); }

.rev-table {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow);
}
.rev-table-head {
  display: grid; grid-template-columns: 2fr minmax(60px,130px) minmax(50px,90px) minmax(60px,110px) minmax(50px,80px);
  padding: 9px 16px; background: var(--surface2);
  border-bottom: 1px solid var(--border);
  font-size: 11px; font-weight: 700; color: var(--muted);
  letter-spacing: .5px; text-transform: uppercase; gap: 6px;
}
.rev-table-row {
  display: grid; grid-template-columns: 2fr minmax(60px,130px) minmax(50px,90px) minmax(60px,110px) minmax(50px,80px);
  padding: 11px 16px; border-bottom: 1px solid var(--border);
  align-items: center; gap: 6px; transition: background .12s; cursor: pointer;
}
.rev-table-row:last-child { border-bottom: none; }
.rev-table-row:hover { background: var(--surface2); }
.rev-date-cell {
  font-size: 12px; font-weight: 700; display: flex; align-items: center; gap: 6px;
}
.rdc-overdue { color: var(--red); }
.rdc-today { color: var(--accent); }
.rdc-upcoming { color: var(--green); }

/* ── Mobile-only elements: hidden by default, shown via media query ── */
#mobile-nav, .mobile-more-menu, .mobile-more-overlay { display: none !important; }
@media (max-width: 768px) {
  #mobile-nav { display: flex !important; }
  .mobile-more-menu.open { display: flex !important; }
  .mobile-more-overlay.open { display: block !important; }
}

@media (max-width: 1100px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
}

/* TABLET (≤900px) */
@media (max-width: 900px) {
  .sidebar { width: 200px; min-width: 200px; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .streak-grid { grid-template-columns: 1fr 1fr; }
  /* On tablet, keep modal side-by-side but shrink left col */
  #notes-modal .modal { max-width: 100% !important; height: 95vh !important; margin: 0 8px; }
  #notes-modal .modal-col-left { flex: 0 0 320px !important; }
}

#notes-modal #modal-q-links-mobile {
  display: none !important;
}

/* MOBILE (≤768px) */
@media (max-width: 768px) {
  /* Hide sidebar — replaced by bottom nav */
  .sidebar { display: none; }

  /* Bottom navigation bar */
  .mobile-nav {
    display: flex !important;
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
    background: var(--surface); border-top: 1.5px solid var(--border);
    padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
    gap: 0;
  }
  .mobile-nav-btn {
    flex: 1; display: flex; flex-direction: column; align-items: center;
    gap: 2px; padding: 4px 2px; background: none; border: none;
    cursor: pointer; font-family: inherit; color: var(--muted);
    font-size: 9px; font-weight: 700; letter-spacing: .3px;
    text-transform: uppercase; transition: color .15s;
    -webkit-tap-highlight-color: transparent;
  }
  .mobile-nav-btn .mnb-icon { font-size: 18px; line-height: 1; }
  .mobile-nav-btn.active { color: var(--accent); }
  .mobile-nav-more-btn {
    flex: 1; display: flex; flex-direction: column; align-items: center;
    gap: 2px; padding: 4px 2px; background: none; border: none;
    cursor: pointer; font-family: inherit; color: var(--muted);
    font-size: 9px; font-weight: 700; letter-spacing: .3px;
    text-transform: uppercase;
  }
  .mobile-nav-more-btn .mnb-icon { font-size: 18px; line-height: 1; }

  /* Mobile more-menu drawer */
  .mobile-more-menu {
    display: none;
    position: fixed; bottom: calc(56px + env(safe-area-inset-bottom)); left: 0; right: 0;
    background: var(--surface); border-top: 1.5px solid var(--border);
    z-index: 998; padding: 8px; flex-direction: column; gap: 2px;
    box-shadow: 0 -8px 24px rgba(0,0,0,.12);
    border-radius: 16px 16px 0 0;
  }
  .mobile-more-menu.open { display: flex; }
  .mobile-more-item {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px;
    border-radius: 10px; background: none; border: none;
    font-family: inherit; font-size: 14px; font-weight: 600;
    color: var(--text); cursor: pointer; text-align: left;
    -webkit-tap-highlight-color: transparent;
  }
  .mobile-more-item:hover, .mobile-more-item:active { background: var(--surface2); }
  .mobile-more-item .mmi-icon { font-size: 18px; width: 24px; text-align: center; }
  .mobile-more-overlay {
    display: none; position: fixed; inset: 0; z-index: 997; background: transparent;
  }
  .mobile-more-overlay.open { display: block; }

  /* Push content above bottom nav */
  .main { padding-bottom: calc(56px + env(safe-area-inset-bottom)); }
  .content { padding: 12px; }

  /* Topbar — compact */
  .topbar { padding: 8px 12px; gap: 8px; position: sticky; top: 0; z-index: 100; }
  .page-title { font-size: 14px; }
  .theme-toggle { display: none; }
  .sync-label { display: none; }
  .search-wrap { flex: 1; }
  .search-box { font-size: 13px; }

  /* ── Filter panel — stack label above chips ── */
  .filter-section {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 12px;
    min-height: unset;
    gap: 6px;
  }
  .filter-section-label {
    border-right: none;
    margin-right: 0;
    padding-right: 0;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
    width: 100%;
    min-width: unset;
  }
  .filter-chips { padding: 0; gap: 6px; }
  .filter-chip { padding: 6px 12px; font-size: 12px; }
  .filter-section-right {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 0;
    width: 100%;
  }
  .filter-select { width: 100%; }
  .add-q-btn { width: 100%; justify-content: center; }

  /* ── Question table — title + diff only on mobile ── */
  .q-thead { grid-template-columns: 1fr 50px; padding: 8px 12px; gap: 6px; }
  .q-row   { grid-template-columns: 1fr 50px; padding: 9px 12px; gap: 6px; }
  /* Hide everything except Problem(1) and Diff(2) */
  .q-thead > *:nth-child(n+3),
  .q-row   > *:nth-child(n+3) { display: none !important; }
  .q-title { font-size: 12px; gap: 4px; }
  .q-title-text { font-size: 12px; }
  .striver-q-badge, .custom-q-badge { font-size: 10px; padding: 1px 4px; }
  .q-links { display: none !important; }
  .diff-badge { font-size: 10px; padding: 2px 6px; }

  .snooze-head { display: none; }
  .snooze-row {
    display: flex; flex-wrap: wrap; align-items: center;
    padding: 11px 14px; gap: 8px;
  }
  .snooze-problem { flex: 0 0 100%; }
  .snooze-topic,
  .snooze-row > div:nth-child(3),
  .snooze-date-shift,
  .snooze-when {
    flex: 0 0 auto;
    font-size: 11px;
  }
  .snooze-date-shift::before,
  .snooze-when::before {
    content: '·';
    margin-right: 8px;
    color: var(--border2);
  }
  .snooze-actions {
    flex: 0 0 100%;
    margin-top: 2px;
  }

  /* Filter panel — compact horizontal rows, scrollable */
  .filter-row {
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    min-height: 42px;
    padding: 6px 12px !important;
    gap: 6px !important;
    align-items: center;
  }
  .filter-row::-webkit-scrollbar { display: none; }
  .filter-row-label {
    width: auto !important;
    min-width: fit-content;
    font-size: 9px !important;
    padding: 0 6px 0 0 !important;
  }
  .filter-row-sep { height: 16px !important; flex-shrink: 0; }
  .filter-chip { padding: 4px 10px !important; font-size: 11px !important; white-space: nowrap; flex-shrink: 0; }
  .filter-select { min-width: 120px !important; font-size: 11px !important; }
  .filter-group { border-right: none; border-bottom: 1px solid var(--border); padding: 8px 12px; }
  .filter-group:last-child { border-bottom: none; }
  .filter-section-label { min-width: 52px; max-width: 52px; font-size: 9px; }

  /* Dashboard cards */
  .cards-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .streak-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .dash-greeting h2 { font-size: 18px; }
  .stat-card { padding: 12px; }
  .sc-val { font-size: 24px; }

  /* Topic grid */
  .topic-grid { grid-template-columns: 1fr; gap: 6px; }
  .topic-card { padding: 10px 12px; }

  /* NOTES MODAL — full screen, truly single scroll */

  /* Overlay: stretch to fill screen edge-to-edge */
  #notes-modal { padding: 0 !important; align-items: stretch !important; }

  /* Modal: fixed full screen, flex column so header+footer are pinned */
  #notes-modal .modal {
    max-width: 100% !important; width: 100% !important;
    height: 100dvh !important;
    border-radius: 0 !important; margin: 0 !important;
    display: flex !important; flex-direction: column !important;
    overflow: hidden !important;
  }

  /* All other modals stay centered cards */
  .modal-overlay:not(#notes-modal) { padding: 16px !important; align-items: center !important; }
  .modal-overlay:not(#notes-modal) .modal {
    height: auto !important; max-height: 90vh !important;
    border-radius: var(--radius-lg) !important; overflow-y: auto !important;
  }

  /* Header: pinned, compact */
  #notes-modal .modal-header { padding: 0 !important; flex-shrink: 0 !important; }
  #notes-modal #modal-header-toprow {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) auto auto auto !important;
    align-items: center !important;
    column-gap: 6px !important;
    row-gap: 6px !important;
    padding: 8px 12px !important;
  }
  #notes-modal .modal-header > div:first-child {
    grid-column: 1 / -1 !important;
    grid-row: 1 !important;
    padding: 0 !important;
    gap: 6px !important;
    display: flex !important;
    align-items: flex-start !important;
    flex-wrap: wrap !important;
    width: 100% !important;
    flex: initial !important;
    min-width: 0 !important;
  }
  #notes-modal .modal-title {
    font-size: 13px !important;
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: clip !important;
    max-width: none !important;
    line-height: 1.2 !important;
    display: block !important;
    width: 100% !important;
  }

  #notes-modal #modal-q-links {
    display: flex !important;
    gap: 3px !important;
    flex-wrap: nowrap !important;
    width: auto !important;
    margin-top: 0 !important;
    min-width: 0 !important;
  }
  @media (max-width: 768px) {
    #notes-modal #modal-q-links {
      display: none !important;
    }
    #notes-modal #modal-q-links-mobile {
      display: flex !important;
    }
  }
  #notes-modal #modal-q-links-mobile {
    gap: 3px !important;
    flex-wrap: nowrap !important;
    width: auto !important;
    margin-top: 0 !important;
    min-width: 0 !important;
    grid-column: 1 !important;
    grid-row: 2 !important;
    justify-self: start !important;
  }
  #notes-modal #modal-mobile-history-toggle {
    display: none !important;
  }
  #notes-modal #modal-mobile-history-toggle.is-visible {
    height: 28px !important;
    padding: 0 12px !important;
    border-radius: 999px !important;
    font-size: 10px !important;
    font-weight: 800 !important;
  }
  #notes-modal:not(.mobile-history-open) #modal-header-sparkline,
  #notes-modal:not(.mobile-history-open) #modal-attempt-strip.has-content {
    display: none !important;
  }
  #notes-modal.mobile-history-open #modal-header-sparkline.has-content {
    display: flex !important;
    width: 100%;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    overflow-x: auto;
    overflow-y: hidden;
  }
  #notes-modal.mobile-history-open #modal-attempt-strip.has-content {
    display: block !important;
  }
  #notes-modal #modal-header-sparkline {
    grid-column: 1 / -1;
    flex-shrink: 1 !important;
    min-width: 0;
  }
  #notes-modal #modal-q-meta { display: none !important; }
  #notes-modal #modal-q-source-badge { display: none !important; }
  #notes-modal #modal-q-links .modal-link-pill { padding: 3px 7px !important; font-size: 10px !important; }
  #notes-modal #modal-attempt-strip { padding: 0 10px 8px !important; }
  #notes-modal #modal-mobile-history-toggle { grid-column: 2; grid-row: 2; justify-self: end; }
  #notes-modal #modal-header-toprow > .modal-close[title="Minimize"] { grid-column: 3; grid-row: 2; }
  #notes-modal #modal-header-toprow > .modal-close[title="Close (Esc)"] { grid-column: 4; grid-row: 2; }

  /* Body: the ONE and only scroll container — takes all remaining height */
  #notes-modal .modal-body {
    flex: 1 1 0 !important;
    min-height: 0 !important;
    display: block !important;          /* NOT flex — avoids any row/column sizing fights */
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -webkit-overflow-scrolling: touch;
    padding: 0 !important;
  }

  /* Left col: plain block, auto height, no scroll */
  #notes-modal .modal-col-left {
    display: block !important;
    width: 100% !important;
    max-height: none !important;
    height: auto !important;
    overflow: visible !important;
    border-right: none !important;
    border-bottom: 1.5px solid var(--border) !important;
    padding: 14px !important;
    box-sizing: border-box !important;
  }
  #notes-modal .modal-col-left > * + * { margin-top: 12px !important; }

  /* Right col: plain block, auto height, no scroll */
  #notes-modal .modal-col-right {
    display: block !important;
    width: 100% !important;
    max-height: none !important;
    height: auto !important;
    overflow: visible !important;
    padding: 14px !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  /* Approach tabs content + panes: block, auto height, no scroll */
  #notes-modal .approach-tabs-content {
    display: block !important;
    height: auto !important;
    max-height: none !important;
    overflow: visible !important;
    flex: none !important;
  }
  #notes-modal .approach-tab-pane {
    height: auto !important;
    max-height: none !important;
    overflow: visible !important;
    flex: none !important;
  }
  #notes-modal .approach-tab-pane.active { display: flex !important; flex-direction: column !important; gap: 12px !important; }
  #notes-modal .approach-tab-pane textarea { min-height: 90px !important; height: auto !important; }

  /* SR buttons: 2-col grid */
  #notes-modal .sr-rating-btns { display: grid !important; grid-template-columns: 1fr 1fr !important; gap: 6px !important; }
  #notes-modal .sr-btn { padding: 8px 6px !important; font-size: 11px !important; }

  /* Tags + difficulty */
  #notes-modal .tag-row { gap: 5px !important; flex-wrap: wrap !important; }
  #notes-modal .tag-chip { padding: 5px 9px !important; font-size: 11px !important; }
  #notes-modal .difficulty-override { gap: 5px !important; }
  #notes-modal .diff-opt { flex: 1 !important; text-align: center !important; padding: 7px 4px !important; font-size: 11px !important; }

  /* General notes textarea */
  #notes-modal #modal-notes { height: 90px !important; min-height: unset !important; }

  /* Footer: pinned at bottom, wraps into 2 rows */
  #notes-modal .modal-footer {
    flex-shrink: 0 !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px !important;
    padding: 8px 12px !important;
    align-items: center !important;
  }
  #notes-modal .solve-timer-wrap {
    flex: 1 0 100% !important;
    padding-bottom: 6px !important;
    border-bottom: 1px solid var(--border) !important;
  }
  #notes-modal .hint-btn { flex: 1 !important; justify-content: center !important; }
  #notes-modal .modal-footer .btn-ghost { flex: 1 !important; justify-content: center !important; }
  #notes-modal .modal-footer .btn-primary { flex: 2 !important; justify-content: center !important; }

  /* Approach tabs scroll */
  .approach-tabs-bar { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* Complexity inputs */
  .complexity-input-time,
  .complexity-input-space { width: 80px !important; }

  /* SR rating buttons */
  .sr-btn { padding: 8px 4px; font-size: 11px; }

  /* History filters */
  .filters-panel { gap: 6px; }
  .filter-select { font-size: 12px; padding: 5px 8px; }

  /* History items */
  .hist-item { padding: 8px 10px; gap: 7px; }
  .hist-item-title { font-size: 12px; }

  /* Focus mode */
  .focus-card { padding: 16px; }
  .focus-card-title { font-size: 17px; }
  .focus-rating-btns { gap: 6px; }

  /* Hint btn in footer */
  .hint-btn { padding: 6px 8px; font-size: 11px; }

  /* ── Review tabs ── */
  .rev-tabs { gap: 4px; flex-wrap: wrap; }
  .rev-tab { padding: 7px 12px; font-size: 12px; flex: 1; text-align: center; }

  /* Review table → card layout */
  .rev-table-head { display: none; }
  .rev-table-row {
    display: flex; flex-wrap: wrap; align-items: center;
    padding: 11px 14px; border-bottom: 1px solid var(--border); gap: 0;
  }
  .rev-table-row:last-child { border-bottom: none; }
  .rev-table-row > div:nth-child(1) { flex: 0 0 100%; margin-bottom: 5px; }
  .rev-table-row > div:nth-child(2),
  .rev-table-row > div:nth-child(3),
  .rev-table-row > div:nth-child(4),
  .rev-table-row > div:nth-child(5) { flex: 0 0 auto; font-size: 11px; color: var(--text2); font-weight: 500; }
  .rev-table-row > div:nth-child(3)::before,
  .rev-table-row > div:nth-child(4)::before,
  .rev-table-row > div:nth-child(5)::before { content: '·'; margin: 0 5px; color: var(--border2); }
  /* Keep date + label on one line */
  .rev-table-row .rev-date-cell { flex-direction: row; gap: 3px; font-size: 11px; }

  .cal-detail-list-item { padding: 9px 12px; gap: 8px; }
  .cdi-title { font-size: 12px; }

  /* ── Sessions ── */
  .session-header { padding: 12px 14px; gap: 10px; flex-wrap: wrap; align-items: flex-start; }
  .session-meta { min-width: 0; flex: 1 1 0; }
  .session-name { font-size: 13px; word-break: break-word; }
  .session-actions {
    flex-wrap: wrap; gap: 4px;
    flex: 0 0 100%; order: 3;
    border-top: 1px solid var(--border); padding-top: 8px;
  }
  .session-actions .btn { padding: 6px 10px; font-size: 11px; flex: 1; justify-content: center; }
  .session-icon { flex-shrink: 0; order: 0; }
  .session-body { padding: 12px 14px; gap: 10px; }
  .session-stats-row { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .session-stat { padding: 8px 4px; }
  .session-stat .ss-val { font-size: 16px; }
  .session-stat .ss-label { font-size: 8px; letter-spacing: 0; }
  .st-name { width: 80px; font-size: 11px; }
  .st-count { width: 36px; font-size: 10px; }

  /* ── Calendar — fix 7-column overflow ── */
  .cal-grid { font-size: 11px; width: 100%; }
  .cal-cell { min-height: 48px; padding: 3px 2px 2px; overflow: hidden; min-width: 0; box-sizing: border-box; }
  .cal-day-num { font-size: 10px; width: 18px; height: 18px; }
  .cal-day-header { font-size: 9px; padding: 4px 0; }
  .cal-pill { font-size: 7px; padding: 1px 2px; border-radius: 2px; max-width: 100%; }
  .cal-solved-dot { width: 5px; height: 5px; top: 3px; right: 3px; }

  /* Cmd palette */
  .cmd-palette { width: calc(100vw - 24px) !important; max-height: 70vh; }
}

/* SMALL MOBILE (≤480px) */
@media (max-width: 480px) {
  .cards-grid { grid-template-columns: 1fr; }
  .streak-grid { grid-template-columns: 1fr 1fr; }
  .topbar { padding: 6px 10px; }
  /* Small popup modals (confirm, hint, etc.) — never full screen, always centred card */
  .modal-overlay:not(#notes-modal) .modal {
    height: auto !important;
    max-height: 85vh !important;
    border-radius: var(--radius-lg) !important;
    width: calc(100vw - 32px) !important;
    margin: auto !important;
  }
  .mdb-rating-row { gap: 4px; }

  /* Extra tweaks for very small screens */
  #notes-modal .modal-footer .hint-btn,
  #notes-modal .modal-footer .btn-ghost,
  #notes-modal .modal-footer .btn-primary { font-size: 12px !important; padding: 8px 6px !important; }
}

/* Modal Done Block */
.modal-done-block {
  background: var(--surface2); border: 1.5px solid var(--border2);
  border-radius: var(--radius); padding: 14px 16px;
  display: flex; flex-direction: column; gap: 12px;
  transition: all .2s;
}
.modal-done-block.is-done {
  background: var(--green-soft); border-color: var(--green);
}
.mdb-left { display: flex; align-items: center; gap: 10px; }
.mdb-toggle {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; user-select: none;
}
.mdb-check {
  width: 22px; height: 22px; border-radius: 6px;
  border: 2px solid var(--border2); background: var(--surface);
  flex-shrink: 0; transition: all .15s;
  display: flex; align-items: center; justify-content: center;
}
.mdb-check.checked {
  background: var(--green); border-color: var(--green);
}
.mdb-check.checked::after { content: '✓'; color: #fff; font-size: 13px; font-weight: 800; }
.mdb-toggle span {
  font-size: 14px; font-weight: 700; transition: color .15s;
}
.modal-done-block.is-done .mdb-toggle span { color: var(--green); }

.mdb-remind { display: none; flex-direction: column; gap: 8px; padding-top: 4px; border-top: 1px solid var(--border); }
.mdb-remind.visible { display: flex; }
.mdb-remind-label { font-size: 11px; font-weight: 700; color: var(--muted); letter-spacing: .5px; text-transform: uppercase; }
.mdb-remind-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.mdb-day-btn {
  padding: 6px 14px; border-radius: 7px;
  border: 1.5px solid var(--border2); background: var(--surface);
  font-size: 12px; font-weight: 700; cursor: pointer; color: var(--text2);
  transition: all .15s; font-family: inherit;
}
.mdb-day-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.mdb-day-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.mdb-custom-btn { border-style: dashed; }
.mdb-custom-row { display: flex; align-items: center; gap: 8px; }
.mdb-remind-status {
  font-size: 12px; font-weight: 600; color: var(--accent);
  min-height: 18px;
}
.smart-rec-panel {
  display: none; flex-direction: column; gap: 10px;
  background: var(--surface2);
  border: 1.5px solid var(--accent); border-radius: 12px;
  padding: 14px 16px; margin-top: 4px;
}
.smart-rec-panel.visible { display: flex; }
.smart-rec-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.smart-rec-title { font-size: 12px; font-weight: 800; color: var(--accent); text-transform: uppercase; letter-spacing: .6px; }
.smart-rec-dismiss { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 14px; padding: 0; line-height: 1; }
.smart-rec-dismiss:hover { color: var(--text); }
.smart-rec-result-row { display: flex; align-items: baseline; gap: 10px; }
.smart-rec-interval { font-size: 22px; font-weight: 900; color: var(--accent); letter-spacing: -1px; line-height: 1; }
.smart-rec-date { font-size: 12px; color: var(--text2); font-weight: 600; }
.smart-rec-reason { font-size: 12px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 10px; }
.smart-rec-reason strong { color: var(--text); }
.why-rows { display: flex; flex-direction: column; gap: 5px; }
.why-row {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text2); line-height: 1.4;
  padding: 5px 10px; border-radius: 6px; background: var(--surface);
  border: 1px solid var(--border);
}
.why-row strong { color: var(--text); font-weight: 700; }
.why-hint-warn {
  margin-top: 6px; padding: 7px 10px; border-radius: 8px;
  background: var(--yellow-soft); color: var(--yellow);
  font-size: 11px; font-weight: 600; border: 1px solid rgba(234,179,8,.3);
  line-height: 1.4;
}
.why-empty { font-size: 12px; color: var(--muted); font-style: italic; }
.sr-rating-section { display: none; flex-direction: column; gap: 8px; padding-top: 4px; }
.sr-rating-section.visible { display: flex; }
.sr-rating-label { font-size: 11px; font-weight: 700; color: var(--muted); letter-spacing: .5px; text-transform: uppercase; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.sr-badge { font-size: 9px; padding: 1px 6px; border-radius: 4px; background: linear-gradient(135deg, var(--accent), var(--purple)); color: #fff; font-weight: 800; letter-spacing: .3px; }
.sr-explain-btn { background: var(--accent-soft); border: 1px solid var(--accent); border-radius: 5px; font-size: 10px; font-weight: 800; color: var(--accent); cursor: pointer; padding: 2px 8px; font-family: inherit; transition: all .15s; margin-left: auto; letter-spacing: .3px; }
.sr-explain-btn:hover { background: var(--accent); color: #fff; }
.sr-rating-btns { display: flex; gap: 6px; }
.sr-btn { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 6px; border-radius: 9px; border: 1.5px solid; cursor: pointer; font-family: inherit; transition: all .15s; }
.sr-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,.1); }
.sr-btn .sr-label { font-size: 12px; font-weight: 800; }
.sr-btn .sr-days  { font-size: 10px; font-weight: 600; opacity: .75; }
.sr-btn.again  { background: var(--red-soft);   border-color: rgba(239,68,68,.3);  color: var(--red); }
.sr-btn.hard   { background: var(--yellow-soft); border-color: rgba(234,179,8,.3);  color: var(--yellow); }
.sr-btn.good   { background: var(--accent-soft); border-color: rgba(59,108,247,.3); color: var(--accent); }
.sr-btn.easy   { background: var(--green-soft);  border-color: rgba(22,163,74,.3);  color: var(--green); }
.sr-btn.again:hover  { background: var(--red);    border-color: var(--red);    color: #fff; }
.sr-btn.hard:hover   { background: var(--yellow); border-color: var(--yellow); color: #fff; }
.sr-btn.good:hover   { background: var(--accent); border-color: var(--accent); color: #fff; }
.sr-btn.easy:hover   { background: var(--green);  border-color: var(--green);  color: #fff; }
.sr-btn.selected.again { background: var(--red);    border-color: var(--red);    color: #fff; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(239,68,68,.25); }
.sr-btn.selected.hard  { background: var(--yellow); border-color: var(--yellow); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(234,179,8,.25); }
.sr-btn.selected.good  { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(59,108,247,.25); }
.sr-btn.selected.easy  { background: var(--green);  border-color: var(--green);  color: #fff; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(22,163,74,.25); }
.mdb-solved-pill { display:inline-flex;align-items:center;gap:6px;background:var(--green-soft);color:var(--green);border:1.5px solid rgba(22,163,74,.25);padding:6px 14px;border-radius:20px;font-size:13px;font-weight:800; }
.mdb-ghost-btn { display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border-radius:20px;font-size:12px;font-weight:700;background:var(--surface2);color:var(--muted);border:1.5px solid var(--border);cursor:pointer;transition:all .15s;font-family:inherit; }
.mdb-manual-toggle-btn { background: none; border: none; font-size: 11px; font-weight: 600; color: var(--muted); cursor: pointer; padding: 0; font-family: inherit; transition: color .1s; display: flex; align-items: center; gap: 5px; }
.mdb-manual-toggle-btn:hover { color: var(--text2); }
.mdb-manual-section { flex-direction: column; gap: 8px; padding-top: 8px; border-top: 1px dashed var(--border); margin-top: 2px; }

.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--text); color: var(--bg);
  padding: 12px 18px; border-radius: 10px;
  font-size: 13px; font-weight: 600;
  box-shadow: var(--shadow-lg);
  transform: translateY(80px); opacity: 0;
  transition: all .25s; z-index: 9998;
  max-width: 300px;
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ── History View ── */
.hist-day-group { margin-bottom: 20px; }
.hist-day-header {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; border-bottom: 1.5px solid var(--border);
  margin-bottom: 10px;
}
.hist-day-date { font-size: 13px; font-weight: 800; color: var(--text); }
.hist-day-count { font-size: 11px; font-weight: 700; color: var(--muted); background: var(--surface2); padding: 2px 8px; border-radius: 10px; }
.hist-day-badge { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 10px; }
.hist-day-badge.today { background: var(--accent-soft); color: var(--accent); }
.hist-day-badge.streak { background: var(--green-soft); color: var(--green); }

/* ── History item card ── */
.hist-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px 10px 10px; background: var(--surface);
  border: 1.5px solid var(--border); border-radius: 10px;
  margin-bottom: 6px; transition: all .15s;
}
.hist-item:hover { border-color: var(--accent); background: var(--accent-soft); }

/* checkbox */
.hist-item-cb {
  flex-shrink: 0; width: 16px; height: 16px; border-radius: 4px;
  border: 2px solid var(--border); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .15s;
}

/* body */
.hist-item-body { flex: 1; min-width: 0; cursor: pointer; }
.hist-item-title-row { display: flex; align-items: center; gap: 6px; min-width: 0; }
.hist-item-title { font-size: 13px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hist-item-chips { display: flex; gap: 5px; margin-top: 5px; flex-wrap: wrap; align-items: center; }

/* right column */
.hist-item-right { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; flex-shrink: 0; }
.hist-item-right-top { display: flex; align-items: center; gap: 5px; }
.hist-item-time { font-size: 10px; color: var(--muted); font-weight: 600; font-family: 'Fira Code', monospace; white-space: nowrap; }

/* attempt badge */
.hist-attempt-num { font-size: 10px; font-weight: 800; padding: 2px 8px; border-radius: 10px; white-space: nowrap; }
.hist-attempt-num.first   { background: var(--green-soft);  color: var(--green); }
.hist-attempt-num.second  { background: var(--accent-soft); color: var(--accent); }
.hist-attempt-num.more    { background: var(--purple-soft); color: var(--purple); }
.hist-sr-badge { font-size: 10px; font-weight: 800; padding: 2px 7px; border-radius: 8px; white-space: nowrap; letter-spacing: .2px; }
.hist-sr-badge.sr-again  { background: var(--red-soft);    color: var(--red); }
.hist-sr-badge.sr-hard   { background: var(--yellow-soft); color: var(--yellow); }
.hist-sr-badge.sr-good   { background: var(--accent-soft); color: var(--accent); }
.hist-sr-badge.sr-easy   { background: var(--green-soft);  color: var(--green); }

/* edit button — only visible on hover */
.hist-edit-btn {
  background: none; border: none; cursor: pointer;
  padding: 2px 5px; border-radius: 5px;
  color: var(--muted); font-size: 13px; line-height: 1;
  opacity: 0; transition: opacity .15s, background .15s;
  flex-shrink: 0;
}
.hist-item:hover .hist-edit-btn { opacity: 1; }
.hist-edit-btn:hover { background: var(--accent-soft); color: var(--accent); opacity: 1 !important; }

/* ── unified chip system ── */
.hist-chip {
  display: inline-flex; align-items: center;
  padding: 2px 7px; border-radius: 7px;
  font-size: 10px; font-weight: 700; white-space: nowrap;
  flex-shrink: 0;
}
.hist-chip-topic   { background: var(--surface2); color: var(--text2); border: 1px solid var(--border); }
.hist-chip-diff    { font-size: 10px !important; padding: 2px 7px !important; }
.hist-chip-session { background: var(--accent-soft); color: var(--accent); }
.hist-chip-time    { background: var(--green-soft); color: var(--green); font-family: 'Fira Code', monospace; letter-spacing: .3px; }
.hist-chip-sessions{ background: var(--accent-soft); color: var(--accent); }
.hist-chip-hint    { background: var(--yellow-soft); color: var(--yellow); }
.hist-chip-total   { background: var(--surface2); color: var(--muted); border: 1px solid var(--border); cursor: pointer; }
.hist-chip-total:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.hist-chip-overdue { background: var(--red-soft); color: var(--red); }
.hist-chip-today   { background: var(--orange-soft); color: var(--orange); }
.hist-chip-review  { background: var(--surface2); color: var(--muted); border: 1px solid var(--border); }
.hist-chip-recovery-break { background: var(--orange-soft); color: var(--orange); }
.hist-chip-recovery-vac { background: var(--purple-soft); color: var(--purple); }
.hist-chip-icon    { background: none; padding: 0; font-size: 12px; }

.hist-item-meta {
  font-size: 11px;
  color: var(--muted);
  margin-top: 6px;
  font-weight: 500;
  line-height: 1.45;
  white-space: normal;
  word-break: break-word;
}

.hist-summary-card {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 12px 16px; flex: 1; min-width: 100px;
  box-shadow: var(--shadow);
}
.hist-summary-card .sc-label { font-size: 10px; color: var(--muted); font-weight: 700; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 4px; }
.hist-summary-card .sc-val { font-size: 22px; font-weight: 800; }

/* GitHub-style heatmap */
.heatmap-wrap { display: flex; flex-direction: column; gap: 0; width: 100%; }
.heatmap-month-labels { display: flex; margin-left: 28px; margin-bottom: 4px; display:flex;}
.heatmap-month-lbl { font-size: 10px; font-weight: 600; color: var(--muted); }
.heatmap-body { display: flex; gap: 0; }
.heatmap-day-labels { display: flex; flex-direction: column; gap: 2px; margin-right: 5px; padding-top: 1px; }
.heatmap-day-lbl { font-size: 9px; font-weight: 600; color: var(--muted); height: 11px; line-height: 11px; }
.heatmap-columns { display: flex; gap: 2px; flex: 1; min-width: 0; }
.heatmap-col { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.heatmap-cell {
  width: 100%; height: 11px; border-radius: 2px; cursor: default;
  transition: transform .1s; flex: none;
}
.heatmap-cell:hover { transform: scale(1.5); z-index: 1; position: relative; }

/* ── Modal attempt history strip ── */
.attempt-strip {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
}
.attempt-strip-label {
  font-size: 10px; font-weight: 700; color: var(--muted);
  text-transform: uppercase; letter-spacing: .5px; margin-right: 2px;
}
.attempt-pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: 20px; font-size: 11px; font-weight: 700;
  cursor: default; position: relative;
  transition: transform .1s;
}
.attempt-pill:hover { transform: scale(1.05); }
.attempt-pill.attempt-1 { background: var(--green-soft); color: var(--green); border: 1px solid rgba(22,163,74,.2); }
.attempt-pill.attempt-2 { background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(59,108,247,.2); }
.attempt-pill.attempt-n { background: var(--purple-soft); color: var(--purple); border: 1px solid rgba(124,58,237,.2); }
/* SR-rating colored attempt pills */
.attempt-pill.sr-again { background: var(--red-soft);    color: var(--red);    border: 1px solid rgba(220,38,38,.2); }
.attempt-pill.sr-hard  { background: var(--yellow-soft); color: var(--yellow); border: 1px solid rgba(217,119,6,.2); }
.attempt-pill.sr-good  { background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(59,108,247,.2); }
.attempt-pill.sr-easy  { background: var(--green-soft);  color: var(--green);  border: 1px solid rgba(22,163,74,.2); }
/* SR-rating colored history attempt chips */
.hist-attempt-num.sr-again { background: var(--red-soft);    color: var(--red); }
.hist-attempt-num.sr-hard  { background: var(--yellow-soft); color: var(--yellow); }
.hist-attempt-num.sr-good  { background: var(--accent-soft); color: var(--accent); }
.hist-attempt-num.sr-easy  { background: var(--green-soft);  color: var(--green); }
.attempt-pill .attempt-tooltip {
  display: none; position: absolute; bottom: calc(100% + 6px); left: 50%;
  transform: translateX(-50%); background: var(--text); color: var(--surface);
  font-size: 11px; font-weight: 600; padding: 4px 9px; border-radius: 6px;
  white-space: nowrap; pointer-events: none; z-index: 10;
}
.attempt-pill .attempt-tooltip::after {
  content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 4px solid transparent; border-top-color: var(--text);
}
.attempt-pill:hover .attempt-tooltip { display: block; }

/* ── Reset radio toggle ── */
input[name="reset-scope"] { cursor: pointer; }

/* SESSIONS */
.session-card {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow); transition: all .2s;
}
.session-card:hover { border-color: var(--border2); box-shadow: var(--shadow-md); }
.session-card.is-global { border-color: rgba(124,58,237,.25); }
.session-card.is-active { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.session-header {
  padding: 16px 20px; display: flex; align-items: flex-start;
  gap: 12px; border-bottom: 1px solid var(--border);
  background: var(--surface2);
}
.session-icon {
  width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
}
.session-icon.global { background: linear-gradient(135deg, var(--purple), #a855f7); }
.session-meta { flex: 1; min-width: 0; }
.session-name { font-size: 15px; font-weight: 800; letter-spacing: -.3px; }
.session-desc { font-size: 12px; color: var(--muted); margin-top: 2px; font-weight: 500; }
.session-badges { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
.session-badge {
  font-size: 10px; font-weight: 700; padding: 2px 8px;
  border-radius: 8px; border: 1px solid;
}
.sb-active   { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.sb-global   { background: var(--purple-soft); color: var(--purple); border-color: var(--purple); }
.sb-date     { background: var(--surface); color: var(--muted); border-color: var(--border2); }
.session-actions { display: flex; gap: 6px; align-items: center; flex-shrink: 0; }

.session-body { padding: 16px 20px; display: flex; flex-direction: column; gap: 12px; }

.session-stats-row {
  display: grid; grid-template-columns: repeat(4,1fr); gap: 10px;
}
.session-stat {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 12px; text-align: center;
}
.session-stat .ss-val { font-size: 20px; font-weight: 800; color: var(--accent); }
.session-stat .ss-label { font-size: 10px; color: var(--muted); font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; margin-top: 2px; }

.session-prog-row { display: flex; flex-direction: column; gap: 6px; }
.session-topic-row {
  display: flex; align-items: center; gap: 10px;
}
.st-name { font-size: 12px; font-weight: 600; color: var(--text2); width: 130px; flex-shrink: 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.st-bar-wrap { flex: 1; background: var(--surface2); border-radius: 3px; height: 5px; overflow: hidden; }
.st-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--purple));
  border-radius: 3px; transition: width .5s; }
.st-count { font-size: 11px; color: var(--muted); font-weight: 700; width: 50px;
  text-align: right; flex-shrink: 0; }

.sd-stat-card {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px; text-align: center;
}
.sd-stat-card .sv { font-size: 22px; font-weight: 800; }
.sd-stat-card .sl { font-size: 10px; color: var(--muted); font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; margin-top: 2px; }

.sd-q-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; transition: all .15s;
}
.sd-q-item:hover { border-color: var(--accent); background: var(--accent-soft); }

.approaches-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.add-approach-btn {
  padding: 5px 14px; border-radius: 7px;
  border: 1.5px dashed var(--accent); background: var(--accent-soft);
  color: var(--accent); font-size: 12px; font-weight: 700;
  cursor: pointer; transition: all .15s; font-family: inherit;
}
.add-approach-btn:hover { background: var(--accent); color: #fff; border-style: solid; }

.approach-card {
  border: 1.5px solid var(--border2); border-radius: var(--radius);
  overflow: hidden; margin-bottom: 10px;
  transition: border-color .15s;
}
.approach-card:last-child { margin-bottom: 0; }
.approach-card:focus-within { border-color: var(--accent); }

.approach-header {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px; background: var(--surface2);
  border-bottom: 1px solid var(--border); cursor: pointer;
}
.approach-num {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-size: 11px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.approach-name-input {
  flex: 1; background: transparent; border: none; outline: none;
  font-size: 13px; font-weight: 700; color: var(--text);
  font-family: inherit; min-width: 0; cursor: text;
}
.approach-name-input:hover { color: var(--accent); }
.approach-name-input::placeholder { color: var(--muted); font-weight: 500; }
.approach-badge-row { display: flex; gap: 5px; align-items: center; }
.approach-badge {
  padding: 2px 8px; border-radius: 4px; font-size: 10px; font-weight: 700;
  background: var(--surface); border: 1px solid var(--border2); color: var(--muted);
  white-space: nowrap; max-width: 90px; overflow: hidden; text-overflow: ellipsis;
}
.approach-badge.has-val { color: var(--accent); border-color: var(--accent-soft); background: var(--accent-soft); }
.approach-toggle { font-size: 12px; color: var(--muted); margin-left: 2px; transition: transform .2s; }
.approach-card.collapsed .approach-toggle { transform: rotate(-90deg); }
.approach-del {
  width: 24px; height: 24px; border-radius: 5px; border: none;
  background: transparent; color: var(--muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; transition: all .15s; flex-shrink: 0;
}
.approach-del:hover { background: var(--red-soft); color: var(--red); }

.approach-body { padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.approach-card.collapsed .approach-body { display: none; }

.approach-field-label {
  font-size: 10px; font-weight: 700; color: var(--muted);
  letter-spacing: .5px; text-transform: uppercase; margin-bottom: 5px;
}
.approach-input {
  width: 100%; border: 1.5px solid var(--border2); border-radius: 6px;
  background: var(--surface); color: var(--text);
  padding: 7px 10px; font-size: 12px; font-weight: 500;
  outline: none; transition: border .15s; font-family: inherit;
}
.approach-input:focus { border-color: var(--accent); }
.approach-input::placeholder { color: var(--muted); }
.approach-textarea {
  width: 100%; border: 1.5px solid var(--border2); border-radius: 6px;
  background: var(--surface); color: var(--text);
  padding: 9px 10px; font-size: 12px; line-height: 1.6;
  outline: none; transition: border .15s; resize: vertical;
  min-height: 70px; font-family: inherit;
}
.approach-textarea:focus { border-color: var(--accent); }
.approach-textarea::placeholder { color: var(--muted); }
.approach-code {
  font-family: 'Fira Code', monospace; font-size: 11.5px;
  min-height: 120px; line-height: 1.7; tab-size: 2;
}
/* ── AI Suggest ── */
.ai-suggest-btn {
  display: flex; align-items: center; gap: 5px;
  padding: 5px 11px; border-radius: var(--radius-sm);
  font-size: 12px; font-weight: 700; cursor: pointer;
  border: 1.5px solid var(--purple); color: var(--purple);
  background: var(--purple-soft); transition: all .18s;
  white-space: nowrap;
}
.ai-suggest-btn:hover:not(:disabled) { background: var(--purple); color: #fff; }
.ai-suggest-btn:disabled { opacity: .55; cursor: not-allowed; }
.ai-suggest-btn .ai-spin { display: inline-block; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.ai-key-row {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 10px; background: var(--purple-soft);
  border: 1px solid var(--purple); border-radius: var(--radius-sm);
  margin-bottom: 10px; flex-shrink: 0;
}
.ai-key-input {
  flex: 1; border: none; background: transparent; outline: none;
  font-size: 12px; color: var(--text); font-family: 'Fira Code', monospace;
}
.ai-key-input::placeholder { color: var(--muted); }
.ai-key-label { font-size: 11px; font-weight: 700; color: var(--purple); white-space: nowrap; }
.ai-key-save-btn {
  padding: 3px 9px; border-radius: 4px; border: 1px solid var(--purple);
  background: var(--purple); color: #fff; font-size: 11px; font-weight: 700; cursor: pointer;
}
.ai-error-msg {
  font-size: 11px; color: var(--red); background: var(--red-soft);
  border: 1px solid var(--red); border-radius: var(--radius-sm);
  padding: 6px 10px; margin-bottom: 8px; flex-shrink: 0;
}
/* ── Approach Mix Modal ── */
.amix-row {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: var(--surface);
  cursor: pointer; transition: border-color .15s, background .15s;
  user-select: none;
}
.amix-row:hover { border-color: var(--accent); background: var(--surface2); }
.amix-row input[type=checkbox] { width: 15px; height: 15px; flex-shrink: 0; cursor: pointer; }
.amix-badge {
  font-size: 10px; font-weight: 800; padding: 2px 7px;
  border-radius: 20px; white-space: nowrap; flex-shrink: 0;
}
.amix-user { background: var(--accent-soft); color: var(--accent); }
.amix-ai   { background: var(--purple-soft); color: var(--purple); }
.amix-name { font-size: 13px; font-weight: 600; flex: 1; color: var(--text); }
.amix-complexity { font-size: 11px; color: var(--green); font-weight: 700; font-family: 'Fira Code', monospace; flex-shrink: 0; }
.amix-divider { height: 1px; background: var(--border2); margin: 6px 0; }
/* ── Link duplicate warning ── */
.link-dup-warn {
  margin-top: 6px; padding: 8px 10px; border-radius: var(--radius-sm);
  background: var(--orange-soft, #fff7ed); border: 1.5px solid var(--orange, #f97316);
  font-size: 11px; color: var(--text); line-height: 1.5;
}
.link-dup-warn strong { color: var(--orange, #f97316); font-weight: 800; }
.link-dup-actions { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
.link-dup-btn {
  font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 5px;
  border: 1.5px solid var(--border); background: var(--surface2); color: var(--text);
  cursor: pointer; transition: all .15s;
}
.link-dup-btn:hover { background: var(--orange, #f97316); color: #fff; border-color: var(--orange, #f97316); }

/* ── Dynamic link rows in add/edit modal ── */
.link-row {
  display: flex; align-items: center; gap: 6px;
}
.link-row-input {
  flex: 1; min-width: 0;
}
.link-row-remove {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 5px;
  border: 1px solid var(--border); background: var(--surface2); color: var(--muted);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-size: 12px; transition: all .15s;
}
.link-row-remove:hover { background: var(--red-soft); color: var(--red); border-color: var(--red); }

/* ── Link platform badge ── */
.link-platform-badge {
  font-size: 10px; font-weight: 800; padding: 2px 7px; border-radius: 4px;
  border: 1px solid; flex-shrink: 0; white-space: nowrap;
}

/* ── Settings Tabs ── */
.settings-tabs {
  display: flex; gap: 4px; margin-bottom: 20px;
  background: var(--surface2); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 4px; flex-wrap: wrap;
}
.settings-tab {
  flex: 1; min-width: 80px;
  background: none; border: none; cursor: pointer;
  color: var(--text2); font-size: 12px; font-weight: 600;
  padding: 8px 14px; border-radius: calc(var(--radius) - 2px);
  transition: all .15s; white-space: nowrap; font-family: inherit;
}
.settings-tab:hover { background: var(--surface); color: var(--text); }
.settings-tab.active {
  background: var(--surface); color: var(--accent);
  box-shadow: var(--shadow); font-weight: 700;
}
@media (max-width: 600px) {
  .settings-tab { flex: none; width: calc(50% - 2px); }
  .recovery-form-grid { grid-template-columns: 1fr 1fr; }
  .recovery-check { grid-column: 1 / -1; }
  .recovery-board { grid-auto-columns: minmax(220px, 220px); }
}

/* ── Settings Tab Panel ── */
.settings-tab-panel { }

/* ── Settings view ── */
.settings-section {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 20px;
}
.settings-section-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 12px; margin-bottom: 16px;
}
.settings-section-title { font-size: 14px; font-weight: 800; color: var(--text); }
.settings-section-sub   { font-size: 12px; color: var(--muted); margin-top: 3px; }
.settings-empty {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 32px 16px; text-align: center; color: var(--muted);
  font-size: 13px; font-weight: 500;
}
.recovery-form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}
.recovery-field { display: flex; flex-direction: column; gap: 6px; }
.recovery-field-wide { grid-column: 1 / -1; }
.recovery-field span,
.recovery-check span {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .45px;
}
.recovery-input {
  width: 100%;
  padding: 9px 11px;
  border-radius: 9px;
  border: 1.5px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: 13px;
  outline: none;
}
.recovery-input:focus { border-color: var(--accent); background: var(--surface); }
.recovery-textarea {
  min-height: 92px;
  resize: vertical;
  line-height: 1.45;
}
.recovery-check {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--surface2);
}
.recovery-check input { flex-shrink: 0; }
.recovery-check-wide {
  grid-column: 1 / -1;
  min-width: 0;
  width: fit-content;
  max-width: 100%;
}
.recovery-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.recovery-moved-list {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.recovery-moved-pill {
  font-size: 10px;
  font-weight: 700;
  color: var(--text2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 8px;
}
.recovery-summary-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.recovery-summary-pill {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  min-width: 120px;
}
.recovery-summary-pill strong { font-size: 11px; color: var(--text); }
.recovery-summary-pill span { font-size: 11px; color: var(--muted); }
.recovery-board-wrap { overflow-x: auto; padding-bottom: 6px; }
.recovery-board {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 240px);
  gap: 12px;
  align-items: start;
}
.recovery-day-col {
  min-height: 240px;
  background: var(--surface2);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.recovery-day-col.is-over {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.recovery-day-col.is-overflow { border-color: var(--red); }
.recovery-day-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}
.recovery-day-title { font-size: 13px; font-weight: 800; color: var(--text); }
.recovery-day-load { font-size: 12px; font-weight: 800; color: var(--accent); }
.recovery-day-col.is-overflow .recovery-day-load { color: var(--red); }
.recovery-day-sub { font-size: 11px; color: var(--muted); margin-bottom: 10px; }
.recovery-card-list { display: flex; flex-direction: column; gap: 8px; min-height: 140px; }
.recovery-review-card {
  padding: 10px 11px;
  border-radius: 10px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow);
  cursor: grab;
}
.recovery-review-card.is-dragging { opacity: .45; }
.recovery-card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: 5px;
}
.recovery-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 10px;
  color: var(--muted);
  margin-bottom: 7px;
}
.recovery-card-tags { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.recovery-rating-pill {
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  text-transform: capitalize;
}
.recovery-rating-pill.rr-again { background: var(--red-soft); color: var(--red); }
.recovery-rating-pill.rr-hard  { background: var(--yellow-soft); color: var(--yellow); }
.recovery-rating-pill.rr-good  { background: var(--accent-soft); color: var(--accent); }
.recovery-rating-pill.rr-easy  { background: var(--green-soft); color: var(--green); }
.recovery-history-list { display: flex; flex-direction: column; gap: 10px; }
.recovery-history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--surface2);
}
.recovery-history-title { font-size: 13px; font-weight: 700; color: var(--text); }
.recovery-history-sub { font-size: 11px; color: var(--muted); margin-top: 3px; }
.recovery-history-reason {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text2);
  line-height: 1.45;
}
.recovery-reason-note {
  display: grid;
  gap: 5px;
  margin-bottom: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface2);
}
.recovery-reason-note strong {
  font-size: 11px;
  letter-spacing: .35px;
  text-transform: uppercase;
  color: var(--muted);
}
.recovery-reason-note span {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text);
}
.recovery-dashboard {
  margin-top: -4px;
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow);
  font-size: 12px;
  color: var(--text2);
  font-weight: 600;
  flex-wrap: wrap;
  max-width: 100%;
}
.recovery-dashboard strong { color: var(--text); }
@media (max-width: 720px) {
  .settings-section {
    padding: 16px;
  }
  .settings-section-header {
    flex-direction: column;
  }
  .recovery-summary-pill {
    min-width: 0;
    flex: 1 1 calc(50% - 8px);
  }
  .recovery-history-item {
    flex-direction: column;
    align-items: stretch;
  }
  .recovery-history-item .btn {
    width: 100%;
    justify-content: center;
  }
}
@media (max-width: 600px) {
  .recovery-form-grid {
    grid-template-columns: 1fr;
  }
  .recovery-check-wide,
  .recovery-field-wide {
    grid-column: auto;
    width: 100%;
  }
  .recovery-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .recovery-board {
    grid-auto-columns: minmax(min(82vw, 280px), min(82vw, 280px));
  }
  .recovery-summary-pill {
    flex-basis: 100%;
  }
  .recovery-dashboard {
    display: flex;
    width: 100%;
    margin-top: 0;
  }
}
.override-card {
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface2); margin-bottom: 10px; overflow: hidden;
}
.override-card-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 14px; border-bottom: 1px solid var(--border);
}
.override-card-title { font-size: 13px; font-weight: 700; color: var(--text); }
.override-fields { padding: 10px 14px; display: flex; flex-direction: column; gap: 6px; }
.override-field-row {
  display: flex; align-items: flex-start; gap: 10px; flex-wrap: wrap;
}
.override-field-label {
  font-size: 10px; font-weight: 800; color: var(--accent);
  background: var(--accent-soft); padding: 2px 7px; border-radius: 20px;
  white-space: nowrap; flex-shrink: 0; margin-top: 1px;
}
.override-field-vals { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; flex: 1; }
/* Smart sort badge */
.smart-next-badge {
  font-size: 12px; flex-shrink: 0;
  animation: pulse-soft 2s ease-in-out infinite;
}
.plan-ai-badge {
  font-size: 10px; font-weight: 800;
  padding: 1px 5px; border-radius: 5px;
  background: var(--purple-soft); color: var(--purple);
  border: 1px solid var(--purple); letter-spacing: .3px;
  animation: none;
}
@keyframes pulse-soft { 0%,100%{opacity:1} 50%{opacity:.5} }
.approach-empty {
  text-align: center; padding: 24px 16px;
  border: 2px dashed var(--border2); border-radius: var(--radius);
  color: var(--muted); font-size: 13px; font-weight: 500;
}
.approach-empty span { display: block; font-size: 24px; margin-bottom: 6px; }

/* ── Add Question button ── */
.add-q-btn {
  padding: 5px 14px; border-radius: 7px;
  border: 1.5px solid var(--accent); background: var(--accent);
  color: #fff; font-size: 12px; font-weight: 700;
  cursor: pointer; transition: all .15s; font-family: inherit;
  white-space: nowrap;
}
.add-q-btn:hover { background: var(--accent-dark, #3b5ccc); }

/* AI Study Assistant button */
.ai-study-btn {
  padding: 5px 14px; border-radius: 7px;
  border: 1.5px solid var(--purple,#7c3aed); background: var(--purple-soft,rgba(124,58,237,.1));
  color: var(--purple,#7c3aed); font-size: 12px; font-weight: 700;
  cursor: pointer; transition: all .15s; font-family: inherit;
  white-space: nowrap;
}
.ai-study-btn:hover { background: var(--purple,#7c3aed); color: #fff; }

/* custom question badge in row */
.custom-q-badge {
  display: inline-flex; align-items: center;
  padding: 1px 6px; border-radius: 4px; font-size: 9px; font-weight: 800;
  background: var(--purple-soft,rgba(139,92,246,.1)); color: var(--purple,#8b5cf6);
  letter-spacing: .5px; text-transform: uppercase; flex-shrink: 0;
}
.striver-q-badge {
  display: inline-flex; align-items: center;
  padding: 1px 6px; border-radius: 4px; font-size: 9px; font-weight: 800;
  background: var(--accent-soft); color: var(--accent);
  letter-spacing: .5px; text-transform: uppercase; flex-shrink: 0;
}
.row-edit-btn, .row-delete-btn, .row-deactivate-btn {
  background: none; border: none; cursor: pointer; font-size: 13px;
  padding: 2px 4px; border-radius: 4px; opacity: 0; transition: opacity .15s, background .15s;
  line-height: 1; flex-shrink: 0;
}
.row-edit-btn:hover  { background: var(--accent-soft); }
.row-delete-btn:hover { background: var(--red-soft); }
.row-deactivate-btn:hover { background: var(--red-soft); }
.q-row:hover .row-edit-btn  { opacity: 1; }
.q-row:hover .row-delete-btn { opacity: 1; }
.q-row:hover .row-deactivate-btn { opacity: .6; }
.q-row:hover .row-deactivate-btn:hover { opacity: 1; }
.q-row:hover .row-edit-striver { opacity: .5; }
.q-row:hover .row-edit-striver:hover { opacity: 1; }

/* Add Q modal tabs */
.addq-tabs { display: flex; gap: 0; border: 1.5px solid var(--border2); border-radius: 9px; overflow: hidden; }
.addq-tab {
  flex: 1; padding: 8px 14px; border: none; background: var(--surface2);
  color: var(--muted); font-size: 12px; font-weight: 700; cursor: pointer;
  transition: all .15s; font-family: inherit;
}
.addq-tab:first-child { border-right: 1px solid var(--border2); }
.addq-tab.active { background: var(--accent); color: #fff; }
.addq-tab:hover:not(.active) { background: var(--surface); color: var(--text); }

/* ── Edit History Modal fields ── */
.ehl {
  font-size: 10px; font-weight: 800; color: var(--muted);
  text-transform: uppercase; letter-spacing: .6px; margin-bottom: 5px;
}
.ehi {
  width: 100%; padding: 9px 11px; border-radius: 8px;
  border: 1.5px solid var(--border); background: var(--surface2);
  color: var(--text); font-size: 13px; font-weight: 600;
  box-sizing: border-box; font-family: inherit;
  transition: border-color .15s;
}
.ehi:focus { outline: none; border-color: var(--accent); }
.ehi.mono  { font-family: 'Fira Code', monospace; letter-spacing: .3px; }
/* hide number spinner arrows */
.ehi[type=number]::-webkit-inner-spin-button,
.ehi[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.ehi[type=number] { -moz-appearance: textfield; }
.ehi-toggle-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; border-radius: 8px; border: 1.5px solid var(--border);
  background: var(--surface2); color: var(--text2); font-size: 12px; font-weight: 700;
  cursor: pointer; font-family: inherit; transition: all .15s;
}
.ehi-toggle-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
/* attempt rows inside panel */
.eha-row {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 14px; border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.eha-row:last-child { border-bottom: none; }
.eha-row.current { background: var(--accent-soft); }
.eha-pill { font-size: 10px; font-weight: 800; padding: 2px 8px; border-radius: 10px; flex-shrink: 0; }
.eha-pill.first  { background: var(--green-soft);  color: var(--green); }
.eha-pill.second { background: var(--accent-soft); color: var(--accent); }
.eha-pill.more   { background: var(--purple-soft); color: var(--purple); }
.eha-meta { flex: 1; color: var(--text2); font-weight: 500; font-size: 11px; }
.eha-time { font-family: 'Fira Code', monospace; font-size: 11px; font-weight: 700; color: var(--green); }
.eha-edit-btn {
  background: none; border: none; cursor: pointer; padding: 2px 6px;
  border-radius: 5px; font-size: 12px; color: var(--muted);
  transition: all .15s;
}
.eha-edit-btn:hover { background: var(--accent-soft); color: var(--accent); }

/* source filter chip variant */
.filter-chip[data-fval="custom"].active  { color: var(--purple); background: var(--purple-soft,rgba(139,92,246,.1)); }
.filter-chip[data-fval="custom"].active::after { background: var(--purple,#8b5cf6); }
.filter-chip[data-fval="striver"].active { color: var(--accent); background: var(--accent-soft); }
.filter-chip[data-fval="striver"].active::after { background: var(--accent); }

/* ── REVIEW FORECAST ───────────────────── */
.forecast-panel { background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:16px 20px;margin-bottom:16px;box-shadow:var(--shadow); }
.forecast-summary { font-size:13px;color:var(--text2);margin-bottom:12px; }
.forecast-summary strong { color:var(--text); }
.forecast-bars { display:flex;align-items:flex-end;gap:3px;min-height:90px; }
.forecast-bar-wrap { flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;cursor:pointer;height:100%;justify-content:flex-end; }
.forecast-bar-wrap:hover .forecast-bar { filter:brightness(1.15); }
.forecast-bar-count { font-size:9px;font-weight:800;color:var(--muted);line-height:1;min-height:11px;text-align:center; }
.forecast-bar-count.has-count { color:var(--text2); }
.forecast-bar { width:100%;border-radius:3px 3px 0 0;min-height:3px;transition:height .3s ease; }
.forecast-bar.fb-empty { background:var(--border2);opacity:.4; }
.forecast-bar.fb-low   { background:var(--yellow); }
.forecast-bar.fb-mid   { background:var(--orange); }
.forecast-bar.fb-high  { background:var(--red); }
.forecast-bar.fb-today-mark { outline:2px solid var(--accent);outline-offset:1px; }
.forecast-label-wrap { display:flex;flex-direction:column;align-items:center;gap:1px;margin-top:3px;border-top:1px solid var(--border);padding-top:3px;width:100%; }
.forecast-label { font-size:9px;color:var(--muted);font-weight:700;text-align:center;line-height:1; }
.forecast-label.fl-today { color:var(--accent);font-weight:800; }
.forecast-date { font-size:8px;color:var(--muted);font-weight:500;text-align:center;line-height:1;opacity:.7; }

/* ── REVIEW STREAK ─────────────────────── */
.streak-grid { display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px; }
.streak-card-mini { background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:14px 16px;text-align:center;box-shadow:var(--shadow); }
.scm-icon { font-size:22px;margin-bottom:4px; }
.scm-val { font-size:26px;font-weight:800;color:var(--text); }
.scm-label { font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px; }
.scm-sub { font-size:11px;color:var(--text2);margin-top:3px; }

/* ── WEAK SPOTS PANEL ──────────────────── */
.weak-panel { background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:16px 20px;margin-bottom:16px;box-shadow:var(--shadow); }
.weak-item { display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border);cursor:pointer; }
.weak-item:last-child { border-bottom:none; }
.weak-item:hover { opacity:.8; }
.weak-rating-badge { font-size:10px;font-weight:800;padding:2px 8px;border-radius:8px;flex-shrink:0; }
.wrb-again { background:var(--red-soft);color:var(--red); }
.wrb-hard  { background:var(--yellow-soft);color:var(--yellow); }
.weak-title { flex:1;font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap; }
.weak-meta  { font-size:11px;color:var(--muted);flex-shrink:0; }

/* ── TOPIC MASTERY HEATMAP ─────────────── */
.tc-extra { display:flex;gap:6px;margin-top:6px;flex-wrap:wrap; }
.tc-pill { font-size:9px;font-weight:700;padding:2px 6px;border-radius:6px; }
.tc-pill-review { background:var(--accent-soft);color:var(--accent); }
.tc-pill-overdue { background:var(--red-soft);color:var(--red); }

/* ── SPARKLINE ─────────────────────────── */
.sparkline-wrap { padding:0 20px 10px;display:flex;align-items:center;gap:12px; }
.sparkline-label { font-size:10px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;flex-shrink:0; }
.sparkline-svg { flex:1;height:28px; }
.sparkline-hint { font-size:10px;color:var(--muted);flex-shrink:0; }

/* ── SNOOZE BUTTON ─────────────────────── */
.snooze-btn {
  padding:3px 8px;border-radius:6px;border:1.5px solid var(--border2);
  background:var(--surface);color:var(--muted);font-size:10px;font-weight:700;
  cursor:pointer;font-family:inherit;transition:all .15s;white-space:nowrap;
}
.snooze-btn:hover { border-color:var(--accent);color:var(--accent);background:var(--accent-soft); }

/* ── COMMAND PALETTE ───────────────────── */
#cmd-palette {
  position:fixed;inset:0;z-index:10000;background:rgba(0,0,0,.6);
  display:none;align-items:flex-start;justify-content:center;padding-top:10vh;
  backdrop-filter:blur(4px);
}
#cmd-palette.open { display:flex; }
.cmd-box {
  width:min(660px,96vw);background:var(--surface);border:1.5px solid var(--border2);
  border-radius:16px;box-shadow:0 24px 60px rgba(0,0,0,.35);overflow:hidden;
}
.cmd-input-wrap {
  display:flex;align-items:center;gap:10px;padding:16px 18px;
  border-bottom:1px solid var(--border);
}
.cmd-icon { font-size:18px;flex-shrink:0;opacity:.5; }
.cmd-input {
  flex:1;border:none;background:transparent;font-size:15px;font-weight:500;
  color:var(--text);outline:none;font-family:inherit;
}
.cmd-input::placeholder { color:var(--muted); }
.cmd-close-hint { font-size:10px;color:var(--muted);flex-shrink:0;background:var(--surface2);border:1px solid var(--border2);border-radius:5px;padding:2px 7px;font-family:monospace; }
.cmd-results { max-height:400px;overflow-y:auto; }
.cmd-section-label { font-size:10px;font-weight:800;color:var(--muted);letter-spacing:.8px;text-transform:uppercase;padding:10px 18px 4px;display:flex;align-items:center;gap:6px; }
.cmd-item {
  display:flex;align-items:center;gap:10px;padding:9px 18px;cursor:pointer;transition:background .1s;
}
.cmd-item:hover, .cmd-item.active { background:var(--accent-soft); }
.cmd-item.active .cmd-item-title { color:var(--accent); }
.cmd-item-icon { width:28px;height:28px;border-radius:8px;background:var(--surface2);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0; }
.cmd-item-icon.action { background:var(--purple-soft);border-color:var(--purple); }
.cmd-item-icon.nav    { background:var(--accent-soft);border-color:var(--accent); }
.cmd-item-title { flex:1;font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap; }
.cmd-item-sub { font-size:11px;color:var(--muted);margin-top:1px; }
.cmd-item-meta { font-size:11px;color:var(--muted);flex-shrink:0; }
.cmd-item-badge { font-size:10px;font-weight:700;padding:2px 7px;border-radius:6px;background:var(--surface2);color:var(--muted); }
.cmd-item-kbd { font-size:10px;color:var(--muted);background:var(--surface2);border:1px solid var(--border2);border-radius:4px;padding:1px 6px;font-family:monospace;flex-shrink:0; }
.cmd-empty { padding:40px 32px;text-align:center;color:var(--muted);font-size:13px; }
.cmd-empty-icon { font-size:32px;margin-bottom:8px;opacity:.5; }
.cmd-footer { display:flex;gap:16px;padding:8px 18px;border-top:1px solid var(--border);background:var(--surface2);flex-wrap:wrap; }
.cmd-key-hint { display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted); }
.cmd-key { padding:2px 6px;border-radius:4px;border:1px solid var(--border2);background:var(--surface);font-size:10px;font-family:monospace; }
.cmd-tip { margin-left:auto;font-size:10px;color:var(--muted);opacity:.7; }

/* ── FOCUS / REVIEW MODE ───────────────── */
#focus-mode {
  position:fixed;inset:0;z-index:9999;background:var(--bg);
  display:none;flex-direction:column;align-items:center;justify-content:center;padding:24px;
}
#focus-mode.open { display:flex; }
.focus-topbar {
  position:absolute;top:0;left:0;right:0;display:flex;align-items:center;
  justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border);
}
.focus-progress-wrap { display:flex;align-items:center;gap:12px; }
.focus-progress-text { font-size:13px;font-weight:700;color:var(--muted); }
.focus-progress-bar { width:180px;height:5px;background:var(--border2);border-radius:3px; }
.focus-progress-fill { height:100%;background:var(--accent);border-radius:3px;transition:width .4s ease; }
.focus-close-btn { padding:6px 14px;border-radius:8px;border:1.5px solid var(--border2);background:var(--surface);color:var(--muted);font-size:12px;font-weight:700;cursor:pointer;font-family:inherit; }
.focus-close-btn:hover { border-color:var(--red);color:var(--red); }
.focus-card {
  width:min(680px,96vw);background:var(--surface);border:1.5px solid var(--border);
  border-radius:20px;box-shadow:var(--shadow-lg);overflow:hidden;margin-top:60px;
}
.focus-card-header { padding:20px 24px 14px;border-bottom:1px solid var(--border); }
.focus-card-topic { font-size:11px;font-weight:800;color:var(--accent);text-transform:uppercase;letter-spacing:.7px;margin-bottom:4px; }
.focus-card-title { font-size:20px;font-weight:800;color:var(--text);line-height:1.3; }
.focus-card-meta { display:flex;align-items:center;gap:8px;margin-top:6px; }
.focus-state { padding:24px;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center; }
.focus-think { text-align:center; }
.focus-think-hint { font-size:15px;color:var(--muted);margin-bottom:8px; }
.focus-space-cta { font-size:13px;font-weight:700;color:var(--accent);background:var(--accent-soft);border:1.5px solid var(--accent);border-radius:10px;padding:10px 24px;cursor:pointer;font-family:inherit;margin-top:12px;transition:all .15s; }
.focus-space-cta:hover { background:var(--accent);color:#fff; }
.focus-rating { display:flex;flex-direction:column;align-items:center;gap:16px;width:100%; }
.focus-rating-label { font-size:13px;font-weight:700;color:var(--muted); }
.focus-rating-btns { display:flex;gap:10px;width:100%;max-width:480px; }
.focus-rating-btns .sr-btn { flex:1;padding:12px 8px; }
.focus-skip { font-size:12px;color:var(--muted);text-decoration:underline;cursor:pointer;background:none;border:none;font-family:inherit;margin-top:4px; }
.focus-done-panel { text-align:center;padding:20px; }
.focus-done-icon { font-size:48px;margin-bottom:8px; }
.focus-done-title { font-size:20px;font-weight:800;color:var(--green);margin-bottom:8px; }
.focus-done-sub { font-size:14px;color:var(--muted);margin-bottom:16px; }
.focus-links { display:flex;gap:8px;justify-content:center;flex-wrap:wrap; }
.focus-link-btn { padding:7px 14px;border-radius:8px;border:1.5px solid var(--border2);background:var(--surface);color:var(--text2);font-size:12px;font-weight:700;cursor:pointer;font-family:inherit; }
.focus-link-btn:hover { border-color:var(--accent);color:var(--accent); }
.focus-key-hints { position:absolute;bottom:16px;display:flex;gap:14px;flex-wrap:wrap;justify-content:center; }
.focus-kh { display:flex;align-items:center;gap:5px;font-size:11px;color:var(--muted); }
.focus-kh kbd { padding:2px 6px;border-radius:4px;border:1px solid var(--border2);background:var(--surface);font-size:10px;font-family:monospace; }

/* CodeMirror host element */
.cm-editor { border-radius: var(--radius-sm); font-size: 12px; min-height: 200px; }
.cm-editor.cm-focused { outline: none; box-shadow: 0 0 0 2px var(--accent); }
.cm-scroller { font-family: 'Fira Code', monospace !important; line-height: 1.7 !important; }

/* ── Language Preference Cards ── */
.lang-card {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 14px 18px; border-radius: 12px; border: 2px solid var(--border2);
  background: var(--surface2); cursor: pointer; transition: all .15s;
  min-width: 80px; text-align: center; user-select: none;
}
.lang-card:hover { border-color: var(--accent); background: var(--accent-soft); }
.lang-card.selected { border-color: var(--accent); background: var(--accent-soft); }
.lang-card.primary-selected { border-color: var(--green); background: var(--green-soft); }
.lang-card .lang-icon { font-size: 24px; line-height: 1; }
.lang-card .lang-name { font-size: 12px; font-weight: 800; color: var(--text); }
.lang-card .lang-ext { font-size: 10px; color: var(--muted); font-family: 'Fira Code', monospace; }
.lang-card.selected .lang-name { color: var(--accent); }
.lang-card.primary-selected .lang-name { color: var(--green); }
.lang-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: 6px; font-size: 11px; font-weight: 700;
  background: var(--surface2); color: var(--text2); border: 1px solid var(--border2);
  font-family: 'Fira Code', monospace;
}
/* Per-approach language dropdown */
.approach-lang-select {
  padding: 3px 22px 3px 8px; border-radius: 6px; font-size: 11px; font-weight: 700;
  border: 1.5px solid var(--border2); background: var(--surface2); color: var(--text2);
  cursor: pointer; outline: none; transition: all .15s; font-family: 'Fira Code', monospace;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%238892aa'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 7px center;
  min-width: 80px;
}
.approach-lang-select:focus { border-color: var(--accent); color: var(--accent); }

.code-pane-actions { display: inline-flex; align-items: center; gap: 6px; }
.code-view-wrap { position: relative; border-radius: var(--radius-sm); margin-top: 2px; }
.code-view-wrap pre { margin: 0; border-radius: var(--radius-sm); font-size: 11.5px; line-height: 1.7; overflow-x: auto; }
.code-view-wrap pre code.hljs { padding: 12px 14px; border-radius: var(--radius-sm); font-family: 'Fira Code', monospace; white-space: pre; word-break: normal; overflow-wrap: normal; display: block; }
.code-copy-btn,
.code-edit-btn {
  position: absolute; top: 6px; right: 6px;
  padding: 2px 8px; font-size: 10px; font-weight: 700;
  border-radius: 4px; border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.1); color: rgba(255,255,255,.8);
  cursor: pointer;
}
.code-copy-btn { position: static; background: var(--surface2); color: var(--text2); border-color: var(--border2); }
.code-copy-btn:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.code-edit-btn:hover { background: rgba(255,255,255,.2); color: #fff; }
/* ── Shortcuts Modal ── */
.sc-grid { display: flex; flex-direction: column; gap: 4px; }
.sc-row { display: flex; align-items: center; gap: 10px; padding: 5px 8px; border-radius: 6px; font-size: 12.5px; color: var(--text2); }
.sc-row:hover { background: var(--surface2); }
.sc-row kbd { display: inline-flex; align-items: center; justify-content: center; min-width: 26px; padding: 2px 6px; border-radius: 5px; border: 1.5px solid var(--border2); background: var(--surface2); color: var(--text); font-size: 11px; font-weight: 700; font-family: 'Fira Code', monospace; white-space: nowrap; flex-shrink: 0; }
.sc-row span { color: var(--text2); flex: 1; }
.hint-btn {
  background: var(--yellow-soft); color: var(--yellow);
  border: 1.5px solid var(--yellow); font-weight: 700; font-size: 12px;
  padding: 6px 12px; border-radius: var(--radius-sm); cursor: pointer;
  transition: all .15s; flex-shrink: 0;
}
.hint-btn:hover:not(:disabled) { background: var(--yellow); color: #fff; }
.hint-btn:disabled { opacity: .5; cursor: not-allowed; }
.hint-card {
  border-radius: var(--radius-sm); border: 1.5px solid var(--border);
  overflow: hidden; flex-shrink: 0;
}
.hint-card-header {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px; background: var(--surface2);
  font-size: 11px; font-weight: 700; color: var(--text2);
}
.hint-card-num {
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 800; flex-shrink: 0;
  background: var(--yellow); color: #fff;
}
.hint-card-body {
  padding: 10px 12px; font-size: 12.5px; line-height: 1.65;
  color: var(--text2); background: var(--surface);
}
.hint-penalty-tag {
  margin-left: auto; font-size: 10px; font-weight: 700;
  color: var(--orange); background: var(--orange-soft);
  padding: 2px 7px; border-radius: 4px; flex-shrink: 0;
}
.approach-code-hidden { display: none !important; }
.approach-code-editing {
  background: #282c34 !important;
  color: #abb2bf !important;
  font-family: 'Fira Code', monospace !important;
  font-size: 11.5px !important;
  line-height: 1.7 !important;
  border: none !important;
  border-radius: var(--radius-sm) !important;
  padding: 12px 14px !important;
  min-height: 320px !important;
  resize: vertical !important;
  caret-color: #fff !important;
  tab-size: 4 !important;
  width: 100% !important;
  box-sizing: border-box !important;
}
/* Complexity inputs colorised */
.complexity-input-time {
  background: var(--green-soft) !important;
  color: var(--green) !important;
  border-color: var(--green) !important;
  font-weight: 700 !important;
  width: 120px !important;
}
.complexity-input-time::placeholder { color: var(--green) !important; opacity: .6; }
.complexity-input-space {
  background: var(--accent-soft) !important;
  color: var(--accent) !important;
  border-color: var(--accent) !important;
  font-weight: 700 !important;
  width: 120px !important;
}
.complexity-input-space::placeholder { color: var(--accent) !important; opacity: .6; }
/* Block scroll when confirm modal open */
body.confirm-open { overflow: hidden; }
body.confirm-open .modal-body { pointer-events: none; overflow: hidden; }
body.modal-open { overflow: hidden; }

/* ── MULTI-LANGUAGE CODE TABS ── */
.approach-code-section { display:flex;flex-direction:column;gap:6px;flex-shrink:0; }
.code-lang-tabs-bar {
  display:flex;align-items:center;gap:2px;overflow-x:auto;
  border-bottom:2px solid var(--border);padding-bottom:0;
  scrollbar-width:none;flex-shrink:0;
}
.code-lang-tabs-bar::-webkit-scrollbar { display:none; }
.code-lang-tab {
  padding:5px 12px;border-radius:6px 6px 0 0;font-size:11px;font-weight:700;
  cursor:pointer;border:1.5px solid transparent;border-bottom:none;
  color:var(--muted);background:transparent;white-space:nowrap;
  transition:all .15s;margin-bottom:-2px;position:relative;font-family:inherit;
  display:flex;align-items:center;gap:5px;
}
.code-lang-tab:hover { color:var(--text);background:var(--surface2); }
.code-lang-tab.active {
  color:var(--accent);background:var(--surface);
  border-color:var(--border);border-bottom-color:var(--surface);
}
.code-lang-tab-del {
  font-size:10px;color:var(--muted);cursor:pointer;padding:1px 2px;
  border-radius:3px;line-height:1;transition:all .15s;
}
.code-lang-tab-del:hover { color:var(--red);background:var(--red-soft); }
.code-lang-tab-add {
  padding:4px 10px;border-radius:6px;font-size:11px;font-weight:700;
  cursor:pointer;border:1.5px dashed var(--border2);color:var(--muted);
  background:transparent;white-space:nowrap;transition:all .15s;
  margin-left:2px;font-family:inherit;
}
.code-lang-tab-add:hover { border-color:var(--accent);color:var(--accent); }
.code-lang-panes { position:relative; }
.code-lang-pane { display:none; }
.code-lang-pane.active { display:block; }
.code-lang-pane-header {
  display:flex;align-items:center;gap:8px;margin-bottom:6px;flex-shrink:0;
}

/* ── DSA PATTERN TAGS ── */
.pattern-chip {
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 12px;border-radius:20px;font-size:11px;font-weight:600;
  border:1.5px solid var(--border2);cursor:pointer;background:var(--surface2);
  color:var(--text2);transition:all .15s;
}
.pattern-chip:hover { border-color:var(--teal,#1D9E75);color:var(--teal,#1D9E75); }
.pattern-chip.selected { background:rgba(29,158,117,.12);border-color:rgba(29,158,117,.4);color:#085041; }
[data-theme="dark"] .pattern-chip.selected { background:rgba(29,158,117,.2);color:#9FE1CB; }
.row-pattern-badge {
  display:inline-flex;align-items:center;padding:2px 6px;border-radius:4px;
  font-size:9px;font-weight:700;background:rgba(29,158,117,.1);color:#0F6E56;
  flex-shrink:0;letter-spacing:.2px;
}
[data-theme="dark"] .row-pattern-badge { background:rgba(93,202,165,.15);color:#5DCAA5; }
.pattern-filter-chip {
  display:inline-flex;align-items:center;gap:4px;
  padding:5px 12px;border-radius:6px;border:1px solid transparent;
  font-size:12px;font-weight:500;cursor:pointer;color:var(--text);
  transition:all .15s;white-space:nowrap;background:transparent;
}
.pattern-filter-chip:hover { background:var(--surface2);border-color:var(--border); }
.pattern-filter-chip.active {
  background:rgba(29,158,117,.1);color:#0F6E56;font-weight:700;
  border-color:rgba(29,158,117,.3);
}
[data-theme="dark"] .pattern-filter-chip.active { background:rgba(93,202,165,.15);color:#5DCAA5; }

/* ── EXPORT/BACKUP ── */
.export-card {
  background:var(--surface2);border:1.5px solid var(--border);
  border-radius:var(--radius);padding:16px;display:flex;
  align-items:flex-start;gap:14px;transition:border-color .15s;
}
.export-card:hover { border-color:var(--border2); }
.export-icon { font-size:28px;flex-shrink:0;margin-top:2px; }
.export-info { flex:1;min-width:0; }
.export-title { font-size:13px;font-weight:800;color:var(--text);margin-bottom:3px; }
.export-desc { font-size:12px;color:var(--muted);line-height:1.5; }
.export-actions { display:flex;gap:8px;margin-top:10px;flex-wrap:wrap; }

/* ── TOPIC RENAME ── */
.topic-rename-row {
  display:flex;align-items:center;gap:8px;padding:8px 12px;
  background:var(--surface2);border:1.5px solid var(--border);
  border-radius:var(--radius-sm);transition:border-color .15s;
}
.topic-rename-row:hover { border-color:var(--border2); }
.topic-rename-input {
  flex:1;background:transparent;border:none;outline:none;
  font-size:13px;font-weight:600;color:var(--text);font-family:inherit;
  min-width:80px;
}
.topic-rename-count { font-size:11px;color:var(--muted);white-space:nowrap; }

/* ── NOTIFICATION SETTINGS ── */
.notif-card {
  background:var(--surface2);border:1.5px solid var(--border);
  border-radius:var(--radius);padding:16px;
}
.notif-toggle-row { display:flex;align-items:center;justify-content:space-between;gap:12px; }
.toggle-switch {
  width:44px;height:24px;background:var(--border2);border-radius:12px;
  position:relative;cursor:pointer;transition:background .2s;flex-shrink:0;
  border:none;padding:0;
}
.toggle-switch.on { background:var(--accent); }
.toggle-switch::after {
  content:'';position:absolute;top:3px;left:3px;
  width:18px;height:18px;border-radius:50%;background:#fff;
  transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.2);
}
.toggle-switch.on::after { transform:translateX(20px); }

/* ── SOLVE TIME TREND SPARKLINE ── */
.time-sparkline-wrap {
  display:flex;align-items:center;gap:6px;margin-left:6px;
  padding-left:10px;border-left:1.5px solid var(--border);
}
.time-sparkline-label { font-size:9px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;flex-shrink:0; }

/* ══ IN PROGRESS PANEL ══ */
.in-progress-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.in-progress-card {
  background: var(--surface2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: border-color .15s, box-shadow .15s;
}
.in-progress-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 12px rgba(79,70,229,.08);
}
.ipc-top {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
.ip-intent-badge {
  font-size: 10px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 10px;
  letter-spacing: .3px;
}
.ip-parked {
  background: var(--accent-soft);
  color: var(--accent);
}
.ip-interrupted {
  background: var(--surface);
  color: var(--muted);
  border: 1px solid var(--border2);
}
.ipc-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  margin-bottom: 2px;
  line-height: 1.3;
}
.ipc-title:hover { color: var(--accent); text-decoration: underline; }
.ipc-topic {
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 6px;
}
.ipc-meta {
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 10px;
  line-height: 1.5;
}
.ipc-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.ipc-edit-form {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.ipc-edit-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: flex-end;
}
.ipc-edit-input {
  padding: 7px 10px;
  border-radius: 7px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  outline: none;
  transition: border-color .15s;
}
.ipc-edit-input:focus { border-color: var(--accent); }

.ip-sessions-modal-card {
  max-width: 680px;
  height: auto;
  max-height: 85vh;
  flex-direction: column;
  overflow: hidden;
}
.ip-sess-head {
  flex: 1;
  min-width: 0;
}
.ip-sess-subtitle {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.ip-sess-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background:
    linear-gradient(180deg, rgba(59,130,246,.05), transparent 140px),
    var(--surface);
}
.ip-sess-empty {
  text-align: center;
  padding: 28px 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  border: 1.5px dashed var(--border2);
  border-radius: 14px;
  background: var(--surface2);
}
.ip-sess-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border: 1.5px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(180deg, var(--surface), var(--surface2));
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  flex-wrap: wrap;
}
.ip-sess-num {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}
.ip-sess-fields {
  flex: 1;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  align-items: end;
}
.ip-sess-field {
  min-width: 0;
}
.ip-sess-label {
  margin-bottom: 6px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.ip-sess-input {
  width: 100%;
  border: 1.5px solid var(--border2);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 600;
  outline: none;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.ip-sess-input:hover {
  border-color: var(--border);
}
.ip-sess-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  background: var(--surface);
}
.ip-sess-input-error {
  border-color: var(--red);
  box-shadow: 0 0 0 4px var(--red-soft);
}
.ip-sess-delete {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 15px;
  transition: all .15s;
  align-self: end;
}
.ip-sess-delete:hover {
  background: var(--red-soft);
  color: var(--red);
  border-color: var(--red);
}
.ip-sess-meta {
  width: 100%;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding-left: 0;
  font-size: 12px;
  color: var(--muted);
}
.ip-sess-meta strong {
  color: var(--text);
}
.ip-sess-error {
  width: 100%;
  margin-top: -2px;
  padding-left: 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
}
.ip-sess-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--surface);
}
.ip-sess-total {
  flex: 1;
  min-width: 180px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

@media (max-width: 640px) {
  .ip-sess-row {
    padding: 12px;
    gap: 10px;
  }
  .ip-sess-fields {
    grid-template-columns: 1fr;
  }
  .ip-sess-delete {
    align-self: center;
  }
}

/* ── SOLVE LATER BUTTON ── */
.btn-solve-later {
  background: var(--surface2);
  color: var(--accent);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s, color .15s;
  font-family: inherit;
}
.btn-solve-later:hover {
  background: var(--accent);
  color: #fff;
}

/* ── TODAY'S PROGRESS BANNER ── */
.tpb-cell {
  background: var(--surface2); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 10px 12px; text-align: center;
  cursor: pointer; transition: all .15s;
}
.tpb-cell:hover { border-color: var(--accent); background: var(--accent-soft); }
.tpb-cell.tpb-goal-met { border-color: var(--green); background: var(--green-soft); }
.tpb-cell.tpb-has-due  { border-color: var(--orange); background: var(--orange-soft); }
.tpb-icon  { font-size: 18px; line-height: 1; margin-bottom: 4px; }
.tpb-val   { font-size: 22px; font-weight: 900; letter-spacing: -1px; color: var(--text); line-height: 1; }
.tpb-label { font-size: 10px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin-top: 3px; }
.tpb-sub   { font-size: 10px; font-weight: 600; color: var(--muted); margin-top: 2px; }
.tpb-cell.tpb-goal-met .tpb-val   { color: var(--green); }
.tpb-cell.tpb-goal-met .tpb-label { color: var(--green); }
.tpb-cell.tpb-has-due  .tpb-val   { color: var(--orange); }
.tpb-cell.tpb-has-due  .tpb-label { color: var(--orange); }
@media (max-width: 600px) {
  #tpb-cells { grid-template-columns: 1fr 1fr !important; }
}