/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #1a1a2e;
  --bg-card: #16213e;
  --bg-elevated: #1c2a4a;
  --bg-input: #0f1729;
  --text: #e8e8f0;
  --text-dim: #8892a8;
  --text-muted: #5a6478;
  --accent: #00AAFF;
  --accent-glow: rgba(0, 170, 255, 0.2);
  --success: #2ECC71;
  --danger: #E74C3C;
  --warning: #F39C12;
  --pink: #E91E90;
  --purple: #9B59B6;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --transition: 0.2s ease;
}

html { font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ===== Navbar ===== */
#navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 60px;
  background: var(--bg-card);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, #00AAFF, #E91E90);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  cursor: pointer;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-icon {
  width: 28px;
  height: 28px;
  -webkit-text-fill-color: initial;
}

.nav-right { display: flex; gap: 4px; }

.nav-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.nav-btn:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.nav-btn.active { color: var(--accent); background: var(--accent-glow); }

.nav-badge {
  background: var(--danger);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
  line-height: 1.4;
}

/* ===== Views ===== */
.view {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* ===== Dashboard ===== */
.dashboard-header { margin-bottom: 28px; }
.dashboard-header h2 { font-size: 1.6rem; font-weight: 700; }
.subtitle { color: var(--text-dim); margin-top: 4px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 4px;
}
.stat-reviews .stat-number { color: var(--accent); }
.stat-learned .stat-number { color: var(--success); }
.stat-streak .stat-number { color: var(--warning); }
.stat-total .stat-number { color: var(--purple); }
.stat-label { color: var(--text-dim); font-size: 0.8rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }

/* ===== Practice Cards ===== */
.practice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 12px;
}

.practice-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
  transition: var(--transition);
}
.practice-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.practice-icon { font-size: 1.4rem; flex-shrink: 0; }

.practice-info { flex: 1; min-width: 0; }

.practice-title {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.practice-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.practice-count {
  font-size: 1.3rem;
  font-weight: 800;
  flex-shrink: 0;
  min-width: 28px;
  text-align: center;
}

.practice-mistakes { border-left: 3px solid var(--danger); }
.practice-mistakes .practice-count { color: var(--danger); }
.practice-mistakes:hover { border-color: var(--danger); background: rgba(231,76,60,0.06); }

.practice-new { border-left: 3px solid var(--warning); }
.practice-new .practice-count { color: var(--warning); }
.practice-new:hover { border-color: var(--warning); background: rgba(243,156,18,0.06); }

.practice-refresh { border-left: 3px solid var(--purple); }
.practice-refresh .practice-count { color: var(--purple); }
.practice-refresh:hover { border-color: var(--purple); background: rgba(155,89,182,0.06); }

@media (max-width: 640px) {
  .practice-grid { grid-template-columns: 1fr; }
}

/* ===== SRS Piles ===== */
.srs-piles { margin-bottom: 12px; }

.srs-piles-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 4px;
}

.srs-pile {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px 8px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  position: relative;
}
.srs-pile:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.srs-pile.empty { opacity: 0.45; }
.srs-pile.open { border-bottom-left-radius: 0; border-bottom-right-radius: 0; }

.srs-pile-count {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 2px;
}
.srs-pile-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Pile colors — Owl themed */
.srs-pile-hatchling { border-color: rgba(233,30,144,0.3); }
.srs-pile-hatchling .srs-pile-count { color: #E91E90; }
.srs-pile-hatchling .srs-pile-label { color: #E91E90; }
.srs-pile-hatchling.open { border-color: #E91E90; background: rgba(233,30,144,0.08); }

.srs-pile-fledgling { border-color: rgba(136,45,158,0.3); }
.srs-pile-fledgling .srs-pile-count { color: #882D9E; }
.srs-pile-fledgling .srs-pile-label { color: #882D9E; }
.srs-pile-fledgling.open { border-color: #882D9E; background: rgba(136,45,158,0.08); }

.srs-pile-hunter { border-color: rgba(41,77,219,0.3); }
.srs-pile-hunter .srs-pile-count { color: #294DDB; }
.srs-pile-hunter .srs-pile-label { color: #294DDB; }
.srs-pile-hunter.open { border-color: #294DDB; background: rgba(41,77,219,0.08); }

.srs-pile-sage-owl { border-color: rgba(0,147,221,0.3); }
.srs-pile-sage-owl .srs-pile-count { color: #0093DD; }
.srs-pile-sage-owl .srs-pile-label { color: #0093DD; }
.srs-pile-sage-owl.open { border-color: #0093DD; background: rgba(0,147,221,0.08); }

.srs-pile-elder-owl { border-color: rgba(134,134,134,0.3); }
.srs-pile-elder-owl .srs-pile-count { color: #868686; }
.srs-pile-elder-owl .srs-pile-label { color: #868686; }
.srs-pile-elder-owl.open { border-color: #868686; background: rgba(134,134,134,0.08); }

/* Expanded pile card list */
.srs-pile-cards {
  background: var(--bg-card);
  border-radius: 0 0 var(--radius) var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
  border-top: none;
  padding: 8px;
  margin-bottom: 12px;
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from { opacity: 0; max-height: 0; }
  to { opacity: 1; max-height: 600px; }
}

.srs-pile-cards { max-height: 400px; overflow-y: auto; }

.srs-pile-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 20px;
  font-size: 0.85rem;
}

.srs-pile-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.srs-pile-card:hover { background: rgba(255,255,255,0.04); }

.srs-pile-card-color {
  width: 3px;
  height: 24px;
  border-radius: 2px;
  flex-shrink: 0;
}

.srs-pile-card-front {
  font-weight: 600;
  font-size: 0.9rem;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.srs-pile-card-back {
  color: var(--text-dim);
  font-size: 0.85rem;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.srs-pile-card-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
}

.srs-pile-card-deck {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.srs-pile-card-next {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ===== Review Schedule ===== */
.review-schedule {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 12px;
}

.schedule-bottom {
  display: flex;
  gap: 20px;
}

/* Hourly chart */
.schedule-hourly {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 14px;
  border: 1px solid rgba(255,255,255,0.06);
}

.hourly-grid {
  display: flex;
  gap: 2px;
  align-items: flex-end;
  height: 120px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.hourly-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 28px;
  gap: 3px;
}

.hourly-count {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--accent);
  height: 14px;
}

.hourly-bar-wrap {
  width: 100%;
  height: 70px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.hourly-bar {
  width: 70%;
  max-width: 20px;
  background: linear-gradient(180deg, var(--accent), rgba(0,170,255,0.4));
  border-radius: 3px 3px 0 0;
  transition: height 0.3s ease;
  min-width: 6px;
}

.hourly-now .hourly-bar {
  background: linear-gradient(180deg, var(--pink), rgba(233,30,144,0.4));
}

.hourly-empty .hourly-bar {
  background: rgba(255,255,255,0.04);
  height: 2px !important;
}

.hourly-label {
  font-size: 0.55rem;
  color: var(--text-muted);
  white-space: nowrap;
  writing-mode: vertical-lr;
  transform: rotate(180deg);
  height: 28px;
}

.hourly-now .hourly-label {
  color: var(--pink);
  font-weight: 700;
}

.schedule-timeline {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.schedule-bucket {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,0.06);
}

.schedule-bucket-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.schedule-bucket-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
}

.schedule-bucket-count {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}

.schedule-bucket-bar {
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}

.schedule-bucket-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--pink));
  border-radius: 2px;
  min-width: 4px;
}

.schedule-bucket-due {
  border: 1px solid rgba(231,76,60,0.3);
  background: rgba(231,76,60,0.06);
}
.schedule-due-count { color: var(--danger) !important; font-weight: 700; }
.schedule-due-fill { background: linear-gradient(90deg, var(--danger), var(--warning)) !important; }

.schedule-calendar {
  min-width: 280px;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 14px;
  border: 1px solid rgba(255,255,255,0.06);
}

.schedule-cal-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cal-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4px 2px;
  border-radius: 6px;
  transition: var(--transition);
}
.cal-day:hover { background: rgba(255,255,255,0.04); }

.cal-today {
  background: rgba(0,170,255,0.1);
  border: 1px solid rgba(0,170,255,0.2);
}

.cal-day-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.cal-day-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text);
  margin: 2px 0;
}

.cal-empty .cal-day-num { color: var(--text-muted); }

.cal-day-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 700;
  color: white;
  transition: var(--transition);
}

.cal-empty .cal-day-dot {
  background: rgba(255,255,255,0.06);
  color: transparent;
}

.schedule-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 24px;
  font-size: 0.9rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
}

@media (max-width: 640px) {
  .schedule-bottom { flex-direction: column; }
  .schedule-calendar { min-width: auto; }
  .hourly-grid { overflow-x: auto; }
  .hourly-col { min-width: 24px; }
}

/* ===== Section Header ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.section-header h3 { font-size: 1.1rem; font-weight: 600; }

/* ===== Deck Grid ===== */
.deck-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.deck-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 0;
  border: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
  transition: var(--transition);
  overflow: hidden;
}
.deck-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.deck-card-accent {
  height: 6px;
  width: 100%;
}

.deck-card-body { padding: 20px; }

.deck-card-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.deck-card-desc {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.deck-lang-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(0,170,255,0.15);
  color: var(--accent);
  vertical-align: middle;
  margin-left: 6px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.deck-card-footer {
  display: flex;
  gap: 16px;
}

.deck-card-stat {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--text-dim);
}
.deck-card-stat strong {
  color: var(--text);
  font-weight: 600;
}
.deck-card-stat.due strong { color: var(--accent); }

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}
.empty-icon { margin-bottom: 16px; opacity: 0.4; }
.empty-state h3 { color: var(--text); margin-bottom: 8px; }
.empty-state p { margin-bottom: 24px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #0088DD);
  color: white;
  box-shadow: 0 2px 12px rgba(0,170,255,0.3);
}
.btn-primary:hover { box-shadow: 0 4px 20px rgba(0,170,255,0.5); transform: translateY(-1px); }

.btn-secondary {
  background: rgba(255,255,255,0.08);
  color: var(--text);
}
.btn-secondary:hover { background: rgba(255,255,255,0.14); }

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
}
.btn-ghost:hover { color: var(--text); }

.btn-danger {
  background: rgba(231,76,60,0.15);
  color: var(--danger);
}
.btn-danger:hover { background: rgba(231,76,60,0.25); }

.btn-large {
  padding: 16px 40px;
  font-size: 1.05rem;
  border-radius: var(--radius);
}

.start-review-btn {
  display: block;
  margin: 24px auto;
  min-width: 240px;
  text-align: center;
}

/* ===== Forms ===== */
.create-form { max-width: 640px; }

.form-group {
  margin-bottom: 24px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input[type="text"], textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
}
input[type="text"]:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.deck-language-select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
}
.deck-language-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.color-picker { display: flex; gap: 10px; flex-wrap: wrap; }

.color-swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}
.color-swatch:hover { transform: scale(1.15); }
.color-swatch.active { border-color: white; box-shadow: 0 0 12px rgba(255,255,255,0.3); }

.toggle-group { display: flex; gap: 8px; }

.toggle-btn {
  padding: 10px 18px;
  background: var(--bg-input);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.toggle-btn:hover { border-color: rgba(255,255,255,0.2); }
.toggle-btn.active {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== Card Rows (Create) ===== */
.cards-section { margin-top: 32px; }

.card-rows { display: flex; flex-direction: column; gap: 12px; }

.card-row {
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--bg-card);
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.06);
  animation: slideIn 0.2s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-row-fields { flex: 1; display: flex; flex-direction: column; gap: 8px; }

.card-row-main {
  display: flex;
  gap: 12px;
  align-items: center;
}

.card-row-main input {
  flex: 1;
  padding: 10px 12px;
}

.card-row-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 24px;
  text-align: center;
  align-self: flex-start;
  margin-top: 12px;
}

.card-row-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  font-size: 1.2rem;
  transition: var(--transition);
}
.card-row-delete:hover { color: var(--danger); }

.card-row-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-start;
}

.card-mode-toggle {
  display: flex;
  gap: 4px;
}

.card-mode-btn {
  padding: 4px 10px;
  background: var(--bg-input);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.card-mode-btn:hover { border-color: rgba(255,255,255,0.2); color: var(--text-dim); }
.card-mode-btn.active {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

.card-grading-toggle {
  display: flex;
  gap: 4px;
  align-items: center;
}

.card-option-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-right: 2px;
}

.card-grade-btn {
  padding: 3px 8px;
  background: var(--bg-input);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.card-grade-btn:hover { border-color: rgba(255,255,255,0.2); color: var(--text-dim); }
.card-grade-btn.active {
  background: rgba(155,89,182,0.15);
  border-color: var(--purple);
  color: var(--purple);
}

/* Card audio upload */
.card-row-audio {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-audio-upload {
  background: none;
  border: 1px dashed rgba(255,255,255,0.15);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-audio-upload:hover { border-color: var(--accent); color: var(--accent); }

.audio-status {
  font-size: 0.7rem;
  color: var(--text-dim);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-audio-play, .btn-audio-remove {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 2px 4px;
  transition: var(--transition);
}
.btn-audio-play { color: var(--accent); }
.btn-audio-play:hover { color: var(--success); }
.btn-audio-remove { color: var(--text-muted); }
.btn-audio-remove:hover { color: var(--danger); }

/* Quiz audio button */
.quiz-audio-btn {
  position: absolute;
  top: 12px;
  left: 14px;
  background: rgba(0,170,255,0.15);
  border: 1px solid rgba(0,170,255,0.3);
  color: var(--accent);
  font-size: 1.2rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 2;
}
.quiz-audio-btn:hover:not(.audio-pending) {
  background: rgba(0,170,255,0.25);
  transform: scale(1.1);
}
.quiz-audio-btn.audio-pending {
  opacity: 0.35;
  cursor: default;
}

.card-row-wrong {
  padding-left: 0;
}

.btn-add-wrong, .btn-ai-generate {
  background: none;
  border: 1px dashed rgba(255,255,255,0.15);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-add-wrong:hover {
  border-color: var(--danger);
  color: var(--danger);
}
.btn-ai-generate {
  border-color: rgba(155,89,182,0.3);
  color: var(--purple);
}
.btn-ai-generate:hover {
  border-color: var(--purple);
  background: rgba(155,89,182,0.1);
  color: var(--purple);
}
.btn-ai-generate:disabled {
  opacity: 0.5;
  cursor: wait;
}

/* Settings */
.settings-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  line-height: 1.4;
}

.settings-divider {
  height: 1px;
  background: rgba(255,255,255,0.06);
  margin: 20px 0;
}

.settings-section-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.toggle-multi .toggle-btn.active {
  background: rgba(155,89,182,0.15);
  border-color: var(--purple);
  color: var(--purple);
}

.form-row {
  display: flex;
  gap: 12px;
}
.form-half { flex: 1; }

/* Make settings modal scrollable */
#settings-modal .modal-content {
  max-width: 520px;
}
.api-key-input-row input {
  flex: 1;
}

.wrong-answers-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
}

.wrong-answer-row {
  display: flex;
  gap: 8px;
  align-items: center;
  animation: slideIn 0.2s ease;
}

.wrong-label {
  font-size: 0.75rem;
  color: var(--danger);
  font-weight: 600;
  min-width: 44px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.wrong-answer-row input {
  flex: 1;
  padding: 8px 12px;
  font-size: 0.85rem;
  border-color: rgba(231,76,60,0.2);
}
.wrong-answer-row input:focus {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(231,76,60,0.15);
}

.bulk-add { margin-top: 16px; }

.bulk-add textarea {
  margin-top: 12px;
  margin-bottom: 12px;
  resize: vertical;
}

/* AI Generate from Text */
.ai-generate-section {
  margin-top: 12px;
}

.ai-gen-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ai-sparkle {
  font-size: 1rem;
}

#ai-generate-area {
  margin-top: 12px;
  padding: 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(155,89,182,0.2);
}

#ai-generate-area textarea {
  margin-bottom: 12px;
  resize: vertical;
}

.ai-gen-options {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.ai-gen-option {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ai-gen-option label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ai-gen-option select,
.ai-card-count-input {
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.85rem;
  font-family: inherit;
}
.ai-card-count-input { width: 80px; }
.ai-gen-option select:focus,
.ai-card-count-input:focus {
  outline: none;
  border-color: var(--accent);
}

.ai-gen-checks {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.ai-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-dim);
  cursor: pointer;
  line-height: 1.4;
}
.ai-check input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--purple);
  flex-shrink: 0;
}

.ai-gen-btn {
  width: 100%;
  justify-content: center;
  background: linear-gradient(135deg, var(--purple), #6C3483);
  box-shadow: 0 2px 12px rgba(155,89,182,0.3);
}
.ai-gen-btn:hover {
  box-shadow: 0 4px 20px rgba(155,89,182,0.5);
  transform: translateY(-1px);
}
.ai-gen-btn:disabled {
  opacity: 0.6;
  cursor: wait;
  transform: none;
}

.form-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ===== Deck Detail ===== */
.deck-detail-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.deck-detail-info { flex: 1; }
.deck-detail-info h2 { font-size: 1.5rem; }
.deck-detail-actions { display: flex; gap: 8px; }

.back-btn { margin-right: 8px; }

.deck-detail-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 8px;
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
}

.detail-stat { text-align: center; }
.detail-stat-num { display: block; font-size: 1.8rem; font-weight: 800; }
.detail-stat-label { font-size: 0.8rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }

#detail-due { color: var(--accent); }
#detail-new { color: var(--success); }

/* ===== Card List ===== */
.card-list { display: flex; flex-direction: column; gap: 8px; }

.card-list-item-row {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.card-list-item-row:hover { background: var(--bg-elevated); border-color: rgba(255,255,255,0.1); }
.card-row-main-info {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  flex: 1;
  cursor: pointer;
  min-width: 0;
}
.card-row-actions {
  display: flex;
  gap: 4px;
  padding: 0 10px;
  opacity: 0;
  transition: opacity 0.15s;
}
.card-list-item-row:hover .card-row-actions { opacity: 1; }
.btn-card-action {
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-dim);
  border-radius: 6px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.btn-card-edit:hover { color: var(--accent); border-color: var(--accent); }
.btn-card-delete:hover { color: var(--danger); border-color: var(--danger); }

/* Inline edit */
.card-inline-edit {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  width: 100%;
}
.card-edit-fields {
  display: flex;
  gap: 12px;
  flex: 1;
  min-width: 0;
}
.card-edit-field {
  flex: 1;
  min-width: 0;
}
.card-edit-field label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
  display: block;
}
.card-edit-field input {
  width: 100%;
  padding: 6px 10px;
  font-size: 0.9rem;
}
.card-edit-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* Card Piles */
.card-pile {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 10px;
}
.card-pile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--bg-card);
  cursor: pointer;
  transition: var(--transition);
  gap: 12px;
}
.card-pile-header:hover { background: var(--bg-elevated); }
.card-pile-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.card-pile-name {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-pile-meta {
  font-size: 0.78rem;
  color: var(--text-dim);
}
.card-pile-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.card-pile-chevron {
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: transform 0.2s;
}
.pile-yt-link {
  color: var(--accent);
  text-decoration: none;
}
.pile-yt-link:hover {
  text-decoration: underline;
}
.card-pile-cards {
  border-top: 1px solid rgba(255,255,255,0.06);
}
.card-pile-cards .card-list-item-row {
  border-radius: 0;
  border-left: none;
  border-right: none;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.card-pile-cards .card-list-item-row:last-child {
  border-bottom: none;
}

/* Keep old class for reviews list etc */
.card-list-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
  transition: var(--transition);
}
.card-list-item:hover { background: var(--bg-elevated); border-color: rgba(255,255,255,0.1); }

.card-list-srs {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.card-list-srs.new { background: var(--success); box-shadow: 0 0 6px rgba(46,204,113,0.4); }
.card-list-srs.learning { background: var(--warning); box-shadow: 0 0 6px rgba(243,156,18,0.4); }
.card-list-srs.review { background: var(--accent); box-shadow: 0 0 6px rgba(0,170,255,0.4); }
.card-list-srs.mature { background: var(--purple); box-shadow: 0 0 6px rgba(155,89,182,0.4); }

.card-list-front {
  flex: 1;
  font-weight: 600;
}
.card-list-back {
  flex: 1;
  color: var(--text-dim);
}
.card-list-next {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: right;
  min-width: 80px;
}

/* ===== Reviews View ===== */
.reviews-deck-group {
  margin-bottom: 16px;
}

.reviews-deck-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
  transition: var(--transition);
}
.reviews-deck-header:hover {
  background: var(--bg-elevated);
  border-color: rgba(255,255,255,0.1);
}

.reviews-deck-chevron {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: auto;
  transition: var(--transition);
}

.reviews-deck-cards {
  border: 1px solid rgba(255,255,255,0.06);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  overflow: hidden;
  animation: slideDown 0.2s ease;
}

.reviews-deck-cards .card-list {
  max-height: 400px;
  overflow-y: auto;
}

/* Per-deck schedule inside reviews */
.reviews-deck-schedule {
  padding: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.deck-schedule-empty {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 8px;
}

.deck-schedule-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.deck-schedule-chart {
  flex: 1;
  min-width: 0;
}

.deck-hourly-grid {
  height: 80px;
}

.deck-hourly-grid .hourly-bar-wrap { height: 45px; }
.deck-hourly-grid .hourly-count { font-size: 0.55rem; }
.deck-hourly-grid .hourly-col { min-width: 22px; }

.deck-schedule-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  min-width: 180px;
}

.deck-schedule-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 50px;
}

.deck-sched-num {
  font-size: 1.1rem;
  font-weight: 800;
}

.deck-sched-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

@media (max-width: 640px) {
  .deck-schedule-row { flex-direction: column; }
  .deck-schedule-stats { min-width: auto; }
}

.reviews-deck-color {
  width: 4px;
  height: 28px;
  border-radius: 2px;
  flex-shrink: 0;
}

.reviews-deck-name {
  font-size: 1rem;
  font-weight: 600;
  flex: 1;
}

.reviews-deck-count {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

.modal-actions {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  justify-content: center;
}

/* ===== Quiz View ===== */
.quiz-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}

.quiz-progress { flex: 1; display: flex; align-items: center; gap: 12px; }

.quiz-progress-bar {
  flex: 1;
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--pink));
  border-radius: 4px;
  transition: width 0.4s ease;
  width: 0%;
}

#quiz-progress-text {
  font-size: 0.85rem;
  color: var(--text-dim);
  min-width: 50px;
  text-align: right;
}

.quiz-remaining {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.quiz-container {
  max-width: 560px;
  margin: 0 auto;
}

.quiz-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  margin-bottom: 28px;
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}

.quiz-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--pink));
}

.quiz-card-type {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.quiz-question {
  font-size: 2rem;
  font-weight: 700;
  word-break: break-word;
}

/* ===== MCQ ===== */
.mcq-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mcq-option {
  display: block;
  width: 100%;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}
.mcq-option:hover:not(.disabled) {
  border-color: var(--accent);
  background: var(--accent-glow);
}
.mcq-option.correct {
  border-color: var(--success);
  background: rgba(46,204,113,0.15);
  color: var(--success);
}
.mcq-option.wrong {
  border-color: var(--danger);
  background: rgba(231,76,60,0.15);
  color: var(--danger);
}
.mcq-option.disabled { cursor: default; opacity: 0.6; }

/* ===== Kana Toggle ===== */
.kana-toggle {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  justify-content: center;
}

.kana-btn {
  padding: 6px 16px;
  background: var(--bg-input);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.kana-btn:hover { border-color: rgba(255,255,255,0.25); color: var(--text-dim); }
.kana-btn.active {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== Quiz Grading Toggle ===== */
.quiz-mode-switch {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  justify-content: center;
}
.quiz-mode-btn {
  padding: 5px 16px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.15);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  transition: var(--transition);
}
.quiz-mode-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.quiz-mode-btn:hover:not(.active) {
  border-color: rgba(255,255,255,0.3);
  color: var(--text);
}

.quiz-grading-toggle {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  justify-content: center;
}

.quiz-grade-btn {
  padding: 5px 14px;
  background: var(--bg-input);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.quiz-grade-btn:hover { border-color: rgba(255,255,255,0.25); color: var(--text-dim); }
.quiz-grade-btn.active {
  background: rgba(155,89,182,0.15);
  border-color: var(--purple);
  color: var(--purple);
}

/* ===== Free Answer ===== */
.free-input {
  width: 100%;
  padding: 16px 20px;
  font-size: 1.1rem;
  text-align: center;
  background: var(--bg-card);
  border: 2px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  resize: none;
  overflow: hidden;
  min-height: 52px;
  max-height: 300px;
  font-family: inherit;
  color: var(--text);
  line-height: 1.5;
}
.free-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-glow);
}
.free-input.correct { border-color: var(--success); background: rgba(46,204,113,0.08); }
.free-input.wrong { border-color: var(--danger); background: rgba(231,76,60,0.08); }

.free-btn-row {
  display: flex;
  gap: 10px;
}
.free-check-btn { flex: 1; justify-content: center; }

.idk-btn {
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  width: 100%;
  justify-content: center;
}
.idk-btn:hover { color: var(--warning); }

/* ===== Result Area ===== */
.result-area { margin-top: 20px; }

.result-message {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.result-message.correct { color: var(--success); }
.result-message.wrong { color: var(--danger); }

.correct-answer-display {
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.ai-feedback {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 14px;
  text-align: center;
}
.ai-feedback-correct {
  background: rgba(46,204,113,0.1);
  border: 1px solid rgba(46,204,113,0.2);
  color: #8be8b0;
}
.ai-feedback-wrong {
  background: rgba(231,76,60,0.1);
  border: 1px solid rgba(231,76,60,0.2);
  color: #f0a8a0;
}
.feedback-vote {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
}

.feedback-vote-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.vote-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  font-size: 1.1rem;
  padding: 4px 10px;
  cursor: pointer;
  transition: var(--transition);
  opacity: 0.6;
}
.vote-btn:hover:not(:disabled) {
  opacity: 1;
  transform: scale(1.15);
}
.vote-btn:disabled { cursor: default; }
.vote-btn.voted {
  opacity: 1;
  transform: scale(1.1);
}
.vote-btn.vote-up.voted {
  border-color: var(--success);
  background: rgba(46,204,113,0.15);
}
.vote-btn.vote-down.voted {
  border-color: var(--danger);
  background: rgba(231,76,60,0.15);
}

.ai-feedback em, .chat-msg em { font-style: italic; }
.ai-feedback strong, .chat-msg strong { font-weight: 700; }
.ai-feedback code, .chat-msg code {
  background: rgba(255,255,255,0.08);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.85em;
}

.srs-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}

.srs-next-review {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Quiz nav bar — always visible like Quizlet */
.quiz-nav-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.quiz-nav-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text);
  transition: var(--transition);
}
.quiz-nav-arrow:hover:not(:disabled) {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}
.quiz-nav-arrow:disabled {
  opacity: 0.25;
  cursor: default;
}

.quiz-nav-position {
  font-size: 0.85rem;
  color: var(--text-dim);
  min-width: 80px;
  text-align: center;
}

.history-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.history-your-answer {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 8px;
  font-style: italic;
}

/* ===== AI Chat Panel ===== */
.chat-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), #6C3483);
  border: none;
  color: white;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(155,89,182,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 150;
}
.chat-fab:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(155,89,182,0.6); }

.chat-panel {
  position: fixed;
  bottom: 88px;
  right: 24px;
  width: 360px;
  max-height: 480px;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  z-index: 150;
  animation: chatSlideUp 0.2s ease;
}

@keyframes chatSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.chat-header h3 { font-size: 0.95rem; }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 320px;
  min-height: 120px;
}

.chat-msg {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.5;
  max-width: 90%;
  word-wrap: break-word;
}

.chat-ai {
  background: rgba(155,89,182,0.12);
  border: 1px solid rgba(155,89,182,0.2);
  color: var(--text);
  align-self: flex-start;
}

.chat-user {
  background: var(--accent-glow);
  border: 1px solid rgba(0,170,255,0.2);
  color: var(--text);
  align-self: flex-end;
}

.chat-loading {
  color: var(--text-muted);
  font-style: italic;
}

.chat-input-area {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.chat-input {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.85rem;
  font-family: inherit;
}
.chat-input:focus {
  outline: none;
  border-color: var(--accent);
}

.chat-send-btn {
  padding: 10px 16px;
}

@media (max-width: 480px) {
  .chat-panel {
    right: 8px;
    left: 8px;
    width: auto;
    bottom: 80px;
  }
  .chat-fab { bottom: 16px; right: 16px; }
}

/* ===== Flag / Dispute ===== */
.flag-btn-top {
  position: absolute;
  top: 12px;
  right: 14px;
  background: none;
  border: none;
  font-size: 0.75rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: var(--transition);
  z-index: 2;
}
.flag-btn-top::before {
  content: '\26A0 ';
}
.flag-btn-top:hover {
  color: var(--warning);
  background: rgba(243,156,18,0.1);
}

.dispute-modal-content {
  max-width: 500px;
}

.dispute-card-info {
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  line-height: 1.5;
}
.dispute-card-info strong {
  color: var(--text);
}
.dispute-card-info .dispute-q,
.dispute-card-info .dispute-a {
  display: block;
  margin-bottom: 4px;
}
.dispute-card-info .dispute-q { color: var(--text); }
.dispute-card-info .dispute-a { color: var(--text-dim); }
.dispute-card-info .dispute-hidden { color: var(--text-muted); font-style: italic; }

.dispute-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}
.dispute-actions .btn { flex: 1; justify-content: center; }

/* ===== Modal ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  padding: 24px;
  width: 90%;
  max-width: 440px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.08);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.modal-header h3 { font-size: 1.1rem; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}
.modal-close:hover { color: var(--text); }

.modal-body .modal-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.modal-row:last-child { border-bottom: none; }
.modal-row-label { color: var(--text-dim); font-size: 0.85rem; }
.modal-row-value { font-weight: 600; font-size: 0.9rem; }

.srs-stage-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.srs-stage-badge.new { background: rgba(46,204,113,0.2); color: var(--success); }
.srs-stage-badge.hatchling { background: rgba(243,156,18,0.2); color: var(--warning); }
.srs-stage-badge.fledgling { background: rgba(0,170,255,0.2); color: var(--accent); }
.srs-stage-badge.hunter { background: rgba(155,89,182,0.2); color: var(--purple); }
.srs-stage-badge.sage-owl { background: rgba(233,30,144,0.2); color: var(--pink); }
.srs-stage-badge.elder-owl { background: rgba(232,232,240,0.15); color: var(--text); }

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .srs-piles-row { grid-template-columns: repeat(3, 1fr); }
  .srs-pile-count { font-size: 1.2rem; }
  .srs-pile-card-back { display: none; }
  .deck-grid { grid-template-columns: 1fr; }
  .nav-btn span { display: none; }
  .quiz-question { font-size: 1.5rem; }
  .quiz-card { padding: 36px 20px; }
  .deck-detail-header { flex-direction: column; }
  .deck-detail-stats { gap: 20px; flex-wrap: wrap; }
  .toggle-group { flex-wrap: wrap; }
  .card-row { flex-wrap: wrap; }
  .card-list-back { display: none; }
}

@media (max-width: 400px) {
  .view { padding: 20px 16px; }
  .stat-number { font-size: 1.5rem; }
}

/* ===== Auth Gate ===== */
.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.auth-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 40px 36px;
  max-width: 400px;
  width: 100%;
  text-align: center;
}
.auth-logo {
  width: 72px;
  height: 72px;
  margin-bottom: 16px;
}
.auth-card h2 {
  font-size: 1.5rem;
  margin-bottom: 4px;
}
.auth-subtitle {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 24px;
}
.auth-form .form-group {
  text-align: left;
  margin-bottom: 12px;
}
.auth-form input {
  width: 100%;
}
.auth-error {
  background: rgba(231,76,60,0.15);
  color: var(--danger);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.85rem;
  margin-bottom: 12px;
  text-align: left;
}
.auth-form .btn { margin-bottom: 8px; }
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 8px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.08);
}

/* User info in modal */
.user-info {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 0 4px;
}