/* Wider quiz layout */
.quiz-wide { max-width: 1000px; }

/* ── Sign-In Page (Centered Card) ─────────────────── */
.signin-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-xl) var(--spacing-md);
  background: var(--bg-primary);
}

.signin-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  max-width: 420px;
  padding: var(--spacing-2xl) var(--spacing-xl);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.signin-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin-bottom: var(--spacing-lg);
  border-radius: var(--radius-sm);
}

.signin-heading {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 0 var(--spacing-sm);
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.signin-subtext {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0 0 var(--spacing-lg);
  line-height: 1.5;
}

/* Countdown timer */
.signin-countdown {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--spacing-xs);
}

.signin-countdown-segment {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 48px;
  padding: 8px 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.signin-countdown-number {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.signin-countdown-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

.signin-countdown-sep {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-muted);
  margin: 0 2px;
  padding-bottom: 12px;
}

.signin-countdown-caption {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0 0 var(--spacing-lg);
}

/* Google button */
.signin-google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 24px;
  background: #fff;
  color: #333;
  border: 1px solid #dadce0;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
}

.signin-google-btn:hover {
  background: #f7f8f8;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

.signin-google-btn:active {
  transform: translateY(0);
}

.signin-google-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Secondary button style (for waitlist sign-out) */
.signin-secondary-btn {
  background: var(--bg-secondary) !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border) !important;
}

.signin-secondary-btn:hover {
  background: var(--bg-card-hover) !important;
  border-color: var(--border-light) !important;
  box-shadow: none !important;
}

/* Error message */
.signin-error {
  color: var(--error);
  margin-top: var(--spacing-md);
  font-size: 0.85rem;
  display: none;
}

/* Access tier info */
.signin-access-info {
  width: 100%;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.signin-access-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: left;
}

.signin-access-row strong {
  color: var(--text-primary);
  font-weight: 600;
}

.signin-access-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  flex-shrink: 0;
}

.signin-access-instant {
  background: var(--success-dim);
  color: var(--success);
}

.signin-access-review {
  background: var(--warning-dim);
  color: var(--warning);
}

/* Email pill (waitlist/denied screens) */
.signin-email-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  font-family: var(--font-mono);
}

/* Back link */
.signin-back-link {
  margin-top: var(--spacing-lg);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.signin-back-link:hover {
  color: var(--text-secondary);
}

@media (max-width: 767px) {
  .signin-card {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 100%;
    border-radius: var(--radius-md);
  }
  .signin-heading {
    font-size: 1.3rem;
  }
}

/* ── Waitlist / Denied Screen ──────────────────── */
.waitlist-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-secondary);
  margin-bottom: var(--spacing-lg);
}

.waitlist-email-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full, 100px);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.waitlist-signout-btn {
  background: var(--bg-secondary) !important;
  color: var(--text-secondary) !important;
  border: 1px solid var(--border) !important;
  font-size: 0.85rem !important;
}

.waitlist-signout-btn:hover {
  background: var(--bg-card) !important;
  border-color: var(--border-light) !important;
}

/* ── Nav Pending Badge ────────────────────────── */
.nav-pending-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: var(--warning);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  margin-left: auto;
}

/* Legacy classes (keep for backwards compat) */
.user-select-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-xl);
}

.user-buttons {
  display: flex;
  gap: var(--spacing-md);
}

.user-btn {
  padding: var(--spacing-lg) var(--spacing-2xl);
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  transition: all var(--transition);
}

.user-btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* Home page */
.mode-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-md);
}

.mode-card {
  padding: var(--spacing-xl);
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
}

.mode-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.mode-card h3 {
  margin-bottom: var(--spacing-sm);
}

.mode-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.mode-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

/* Quiz setup */
.setup-section {
  margin-bottom: var(--spacing-xl);
}

.setup-section h3 {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

/* Question view */
.question-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.question-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.question-stem {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  white-space: pre-wrap;
}

.question-stem em {
  font-style: italic;
}

.question-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.question-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border);
}

.case-vignette {
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  line-height: 1.7;
}

.case-vignette p {
  margin: 0 0 var(--spacing-md) 0;
}

.case-vignette p:last-child {
  margin-bottom: 0;
}

.case-indicator {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: var(--spacing-sm);
}

.lab-table-title {
  font-weight: 600;
  margin: var(--spacing-md) 0 var(--spacing-xs) 0;
  font-size: 0.9rem;
}

.lab-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-xs) 0 var(--spacing-md) 0;
  font-size: 0.88rem;
}

.lab-table th,
.lab-table td {
  padding: 6px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.lab-table th {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.lab-table tr:last-child td {
  border-bottom: none;
}

/* ── Dashboard polish ───────────────────────────────────── */
.dash-hero {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.dash-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.2s ease, transform 0.15s ease;
}

.dash-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.dash-stat:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

[data-theme="light"] .dash-card {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .dash-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

[data-theme="light"] .dash-stat:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.dash-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

@media (max-width: 767px) {
  .dash-stat-grid { grid-template-columns: repeat(2, 1fr); }

  /* Stack hero cards vertically on mobile */
  .dash-hero {
    flex-direction: column;
  }

  /* Make goal ring card full-width */
  .goal-ring-card {
    min-width: unset;
    width: 100%;
  }
}

.dash-stat {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  border: 1px solid transparent;
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.15s ease;
  cursor: default;
}

.dash-stat .dash-stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin: 0 auto var(--spacing-sm);
  border-radius: 10px;
  background: var(--accent-dim);
}

.dash-stat .dash-stat-icon svg {
  width: 18px;
  height: 18px;
}

.dash-stat-value {
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.1;
}

.dash-stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* Goal ring pulse animation when goal reached */
@keyframes goal-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.4); }
  50% { box-shadow: 0 0 20px 10px rgba(52, 211, 153, 0.1); }
}
.goal-reached-ring { animation: goal-pulse 2s ease-in-out infinite; }

/* Goal ring card */
.goal-ring-card {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 200px;
}

.goal-ring-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: var(--spacing-sm);
}

.goal-ring-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.goal-settings-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  transition: background 0.15s, color 0.15s;
}

.goal-settings-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.goal-settings-btn svg {
  width: 16px;
  height: 16px;
}

/* Weak area cards */
.weak-card {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  border-left: 3px solid var(--border);
}

.weak-card[data-perf="low"]  { border-left-color: var(--error); }
.weak-card[data-perf="mid"]  { border-left-color: var(--warning); }
.weak-card[data-perf="high"] { border-left-color: var(--success); }

/* Progress bars with gradient */
.progress-track {
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s ease;
  background: linear-gradient(90deg, currentColor, color-mix(in srgb, currentColor 70%, white));
}

/* Source toggle pills polish */
.dash-toggle {
  display: flex;
  gap: 4px;
  background: var(--bg-secondary);
  padding: 3px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.dash-toggle .filter-pill {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.dash-toggle .filter-pill:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.dash-toggle .filter-pill.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 1px 4px rgba(14, 165, 233, 0.3);
}

[data-theme="light"] .dash-toggle .filter-pill.active {
  box-shadow: 0 1px 4px rgba(66, 85, 255, 0.3);
}

.dash-toggle .filter-pill svg {
  width: 14px;
  height: 14px;
}

/* Chart bars polish */
.chart-bar {
  border-radius: 3px 3px 0 0;
  transition: height 0.3s ease;
  background: linear-gradient(to top, var(--accent), var(--accent-hover));
}

[data-theme="light"] .chart-bar {
  background: linear-gradient(to top, #4255ff, #6b7bff);
}

/* Analytics */
.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-card .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

.analytics-table {
  width: 100%;
  border-collapse: collapse;
}

.analytics-table th,
.analytics-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.analytics-table th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.analytics-table tr:hover td {
  background: var(--bg-card-hover);
}

/* Confetti animation */
@keyframes confetti-fall {
  0% { transform: translateY(-10px) rotate(0deg); opacity: 1; }
  80% { opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}
.confetti-piece {
  position: fixed;
  top: -10px;
  border-radius: 2px;
  z-index: 9999;
  pointer-events: none;
}

/* Score message */
.score-message {
  font-size: 1rem;
  font-weight: 600;
  margin-top: var(--spacing-sm);
}

/* Retry banner */
.retry-banner {
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: var(--spacing-sm);
  font-size: 0.8rem;
  color: var(--accent);
}

/* Exam review */
.score-summary {
  text-align: center;
  padding: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
}

.score-summary .big-score {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent);
}

.score-summary .score-label {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
}

.topic-breakdown {
  margin-bottom: var(--spacing-xl);
}

/* Topic groups (quiz-setup, exam-setup) */
.topic-group {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border);
}

.topic-group:last-child {
  border-bottom: none;
}

.topic-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
}

.topic-group-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.chip-yield {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: 5px;
  vertical-align: middle;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.yield-high { background: rgba(34, 197, 94, 0.2); color: #4ade80; }
.yield-low-med { background: rgba(234, 179, 8, 0.2); color: #fbbf24; }
.yield-low { background: rgba(239, 68, 68, 0.2); color: #f87171; }

.chip-count {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  padding: 1px 6px;
  border-radius: 100px;
  margin-left: 5px;
  vertical-align: middle;
}

.btn-xs {
  padding: 2px 8px;
  font-size: 0.75rem;
}

/* Study Flow page */
.sf-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.sf-controls .input {
  max-width: 360px;
}

.sf-category-section {
  margin-bottom: var(--spacing-lg);
}

.sf-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: var(--spacing-sm) var(--spacing-xs);
  border-radius: var(--radius);
  transition: background var(--transition);
  user-select: none;
}

.sf-category-header:hover {
  background: var(--bg-card);
}

.sf-category-header h3 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.sf-cat-count {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 100px;
}

.sf-chevron {
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: transform var(--transition);
}

.sf-category-section.collapsed .sf-chevron,
.qs-cat-section.collapsed .sf-chevron {
  transform: rotate(-90deg);
}

.sf-category-body {
  padding-top: var(--spacing-md);
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.sf-category-section.collapsed .sf-category-body,
.qs-cat-section.collapsed .sf-category-body {
  display: none;
}

.study-flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing-md);
}

.study-flow-card {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.sf-topic-name {
  font-weight: 600;
  font-size: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--spacing-sm);
}

.sf-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.sf-section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.sf-score {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.sf-pct {
  font-size: 1.3rem;
  font-weight: 700;
}

.sf-locked {
  padding: var(--spacing-xs) 0;
}

.sf-delta {
  font-size: 1.1rem;
  font-weight: 700;
  text-align: center;
  padding: var(--spacing-xs);
  border-top: 1px solid var(--border);
}

/* Admin page */
.admin-textarea {
  width: 100%;
  min-height: 300px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  resize: vertical;
}

.preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin: var(--spacing-md) 0;
}

.preview-table th,
.preview-table td {
  padding: var(--spacing-sm);
  text-align: left;
  border: 1px solid var(--border);
}

.preview-table th {
  background: var(--bg-secondary);
  font-weight: 600;
}

.preview-table td {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Edit modal overlay */
.edit-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  z-index: 999;
  padding: var(--spacing-xl);
  overflow-y: auto;
}

.edit-modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: 640px;
  margin: var(--spacing-xl) 0;
}

@media (max-width: 767px) {
  .edit-modal-overlay { padding: var(--spacing-sm); }
  .edit-modal {
    max-width: 100%;
    padding: var(--spacing-md);
    max-height: calc(100vh - 32px);
    overflow-y: auto;
  }
}

.edit-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

.edit-textarea {
  width: 100%;
  min-height: 60px;
  resize: vertical;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Edit Quizzes page */
.eq-card-body {
  display: none;
}

.eq-card.expanded .eq-card-body {
  display: block;
}

/* Manage page — Tabs */
.manage-tabs {
  display: flex;
  gap: 2px;
  border-bottom: 2px solid var(--border);
  margin-bottom: var(--spacing-md);
}

.manage-tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all var(--transition);
}

.manage-tab:hover {
  color: var(--text-primary);
}

.manage-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Bulk Delete table */
.bulk-table {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.bulk-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.bulk-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--transition);
}

.bulk-row:last-child {
  border-bottom: none;
}

.bulk-row:hover {
  background: var(--bg-card-hover);
}

.bulk-row-selected {
  background: var(--accent-dim);
}

.bulk-row-selected:hover {
  background: var(--accent-dim);
}

.bulk-check {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* Source badges */
.source-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.source-firestore {
  background: rgba(99, 102, 241, 0.2);
  color: #818cf8;
}

.source-static {
  background: rgba(107, 114, 128, 0.2);
  color: var(--text-muted);
}

/* Bulk delete warning callout */
.bulk-warning {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--warning-dim);
  border: 1px solid rgba(234, 179, 8, 0.3);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-primary);
  line-height: 1.6;
}

.bulk-cmd {
  display: block;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  word-break: break-all;
  user-select: all;
}
/* ── Quiz/Exam Setup Redesign ─────────────────────────── */

/* Let setup pages use full available width */
.container:has(.setup-grid) {
  max-width: 1600px;
}

/* Two-column grid: cards left, config right */
.setup-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--spacing-lg);
  align-items: start;
}

/* Masonry-style card layout for category cards */
.category-cards-grid {
  columns: 3 240px;
  column-gap: var(--spacing-md);
}

.category-cards-grid .category-card {
  break-inside: avoid;
  margin-bottom: var(--spacing-md);
}

/* Sticky configuration panel */
.setup-config-panel {
  position: sticky;
  top: var(--spacing-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-height: calc(100vh - var(--spacing-2xl));
  overflow-y: auto;
}

.setup-config-panel h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.setup-config-panel .config-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

/* Category card */
.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.category-card:hover {
  border-color: var(--border-light);
}

.category-card.all-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.category-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}

.category-card-header:hover {
  background: var(--bg-card-hover);
}

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

.category-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.category-card-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 2px;
}

.category-card-icon {
  flex-shrink: 0;
  line-height: 0;
}

.category-card-icon svg {
  width: 32px;
  height: 32px;
}

/* Topic row inside a card (not inside a table) */
.topic-row:not(tr) {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-top: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
  gap: var(--spacing-sm);
}

.topic-row:hover {
  background: var(--bg-card-hover);
}

.topic-row.selected {
  background: var(--accent-dim);
}

.topic-row-name {
  flex: 1;
  font-size: 0.88rem;
  color: var(--text-primary);
}

.topic-row-count {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  min-width: 28px;
  text-align: right;
}

/* Question limit slider + number input */
.question-limit {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.question-limit input[type="range"] {
  flex: 1;
  height: 6px;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  margin: 6px 0;
  padding: 0;
  border: none;
  border-radius: 3px;
}

.question-limit input[type="range"]::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 3px;
  background: transparent;
}

.question-limit input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-card);
  margin-top: -6px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.question-limit input[type="range"]::-moz-range-track {
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  border: none;
}

.question-limit input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-card);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.question-limit input[type="range"]::-moz-range-progress {
  height: 6px;
  border-radius: 3px;
  background: var(--accent);
}

.question-limit input[type="number"] {
  width: 64px;
  text-align: center;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.9rem;
  font-weight: 600;
}

.question-limit input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
}

/* Total selected questions count */
.selected-count {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.selected-count-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--spacing-xs);
}

.selected-count-number {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
}

.selected-count-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Config panel filter pills (smaller, tighter) */
.setup-config-panel .filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

/* Responsive: tablet — stack config panel, 2-column masonry */
@media (min-width: 768px) and (max-width: 1023px) {
  .setup-grid {
    grid-template-columns: 1fr;
  }
  .setup-config-panel {
    position: static;
    max-height: none;
    order: -1;
  }
  .category-cards-grid {
    columns: 2;
  }
}

/* Responsive: mobile — single column */
@media (max-width: 767px) {
  .setup-grid {
    grid-template-columns: 1fr;
  }
  .setup-config-panel {
    position: static;
    max-height: none;
    order: -1;
  }
  .category-cards-grid {
    columns: 1;
  }
}

/* ── Study Priority Dashboard ──────────────────────────────────────── */

/* Tab bar — clickable tier selectors at the top */
.sp-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.sp-tab {
  background: var(--bg-card);
  border: 2px solid transparent;
  border-left: 4px solid var(--tier-color);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  text-align: left;
  color: var(--text-primary);
  font-family: inherit;
}

.sp-tab:hover {
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.sp-tab--active {
  border-color: var(--tier-color);
  background: var(--bg-card-hover);
}

.sp-tab-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--tier-color);
}

.sp-tab-pct {
  font-size: 1.4rem;
  font-weight: 700;
}

.sp-tab-stats {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Active tier content area */
.sp-active-tier {
  margin-top: var(--spacing-md);
}

.sp-active-tier-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-card);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.sp-active-tier-header h2 {
  font-size: 1.15rem;
  margin: 0;
}

.sp-topic-count {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.sp-tier-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 2px 0 0;
}

.sp-tier-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Breadth legend */
.sp-breadth-legend {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.sp-breadth-legend svg {
  flex-shrink: 0;
  color: var(--text-muted);
}

.sp-topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.sp-topic-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  border: 1px solid var(--border);
}

.sp-topic-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-1px);
  border-color: var(--border-light);
}

.sp-topic-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}

.sp-topic-name {
  font-weight: 600;
  font-size: 0.95rem;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sp-breadth {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sp-breadth-label {
  white-space: nowrap;
  min-width: 64px;
  cursor: help;
}

.sp-breadth-bar {
  flex: 1;
  height: 5px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.sp-breadth-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease;
}

.sp-mastery {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
}

.sp-mastery-pct {
  font-size: 1.1rem;
  font-weight: 700;
}

.sp-mastery-detail {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sp-progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.sp-progress-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--success);
  transition: width 0.3s ease;
}

.sp-empty-tier {
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.sp-search {
  margin-bottom: var(--spacing-md);
}

.sp-search input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.sp-search input::placeholder {
  color: var(--text-muted);
}

.sp-search input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Tier chooser cards in quiz-chooser */
.tier-chooser-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  max-width: 700px;
  margin: 0 auto;
}

.tier-chooser-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  cursor: pointer;
  border-left: 4px solid var(--accent);
  transition: background var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.tier-chooser-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.tier-chooser-card h3 {
  margin: 0;
  font-size: 1rem;
}

.tier-chooser-card p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.tier-chooser-card .tier-card-stats {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: auto;
}

@media (max-width: 767px) {
  .sp-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
  .sp-active-tier-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  .sp-topic-grid {
    grid-template-columns: 1fr;
  }
  .tier-chooser-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile: quiz chooser cards — single column stack */
@media (max-width: 767px) {
  .quiz-chooser-grid {
    grid-template-columns: 1fr !important;
  }
}