/* ─── UCAT Verbal Reasoning Trainer Styles ─────────────────────────────────── */

:root {
  --accent-color: #ef4444;
  --accent-soft: #fef2f2;
  --card-bg: #ffffff;
  --bg-color: #f8fafc;
  --text-color: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --true-color: #22c55e;
  --false-color: #ef4444;
  --ct-color: #f59e0b;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
}

.hidden { display: none !important; }

/* ─── TOP BAR ─────────────────────────────────────────────────────────────── */
.top-bar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-bar .logo a {
  font-weight: 800;
  font-size: 1rem;
  color: var(--accent-color);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.top-bar .logo span { color: var(--text-color); }

.progress-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.progress-info .q-counter { color: var(--text-color); }

/* PACING BADGE */
.pacing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-family: 'JetBrains Mono', monospace;
  transition: all 0.3s ease;
}

.pacing-badge.on-track { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.pacing-badge.warning  { background: #fef9c3; color: #854d0e; border: 1px solid #fef08a; }
.pacing-badge.over-time { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; animation: pulse 1s infinite; }

/* KEYBOARD SHORTCUT KEY BADGE */
.kbd-shortcut {
  display: inline-block;
  padding: 0.1rem 0.35rem;
  font-size: 0.68rem;
  font-weight: 700;
  background: rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 4px;
  margin-left: 0.35rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  vertical-align: middle;
}

/* PRACTICE IN RSVP READER BUTTON */
.btn-practice-reader {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  margin-left: auto;
}

.btn-practice-reader:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background: var(--accent-soft);
}

/* SHORTCUTS FOOTER / LEGEND */
.shortcut-legend-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 1.5rem;
  background: #f1f5f9;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.73rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ─── TIMER ───────────────────────────────────────────────────────────────── */
.timer-display {
  font-size: 1.1rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--text-color);
  min-width: 60px;
  text-align: center;
  transition: color 0.3s;
}

.timer-display.timer-warning { color: var(--ct-color); }
.timer-display.timer-danger  { color: var(--false-color); animation: pulse 1s infinite; }

@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.5; } }

/* ─── TIMER BAR ───────────────────────────────────────────────────────────── */
.timer-bar-track {
  height: 3px;
  background: var(--border-color);
  width: 100%;
}

.timer-bar-fill {
  height: 3px;
  background: var(--true-color);
  transition: width 1s linear, background 1s;
  width: 100%;
}

.timer-bar-fill.warning { background: var(--ct-color); }
.timer-bar-fill.danger  { background: var(--false-color); }

/* ─── LOBBY ───────────────────────────────────────────────────────────────── */
#lobby-view {
  max-width: 780px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

.lobby-hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.lobby-hero h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.lobby-hero h1 span { color: var(--accent-color); }

.lobby-hero p {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.6;
}

.mode-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

@media (max-width: 540px) { .mode-cards { grid-template-columns: 1fr; } }

.mode-card {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  text-align: left;
}

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

.mode-card .mode-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.mode-card h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.mode-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.mode-card .mode-badge {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  background: var(--accent-soft);
  color: var(--accent-color);
}

.speed-link-banner {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.speed-link-banner p { font-size: 0.875rem; color: var(--text-muted); }
.speed-link-banner a { font-size: 0.875rem; font-weight: 700; color: var(--accent-color); text-decoration: none; white-space: nowrap; }
.speed-link-banner a:hover { text-decoration: underline; }

/* ─── TUTOR CTA ───────────────────────────────────────────────────────────── */
.tutor-cta-card {
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  border-radius: var(--radius);
  padding: 1.5rem;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.tutor-cta-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.tutor-cta-card p  { font-size: 0.8rem; opacity: 0.8; }

.btn-cta-white {
  background: #fff;
  color: #1e293b;
  border: none;
  border-radius: 8px;
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}

.btn-cta-white:hover { opacity: 0.9; }

/* ─── TRAINER SPLIT PANE ──────────────────────────────────────────────────── */
#trainer-view {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: calc(100vh - 56px);
}

@media (max-width: 700px) {
  #trainer-view {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    height: auto;
  }
}

/* LEFT: PASSAGE */
.passage-pane {
  background: var(--card-bg);
  border-right: 1px solid var(--border-color);
  padding: 1.75rem;
  overflow-y: auto;
}

.passage-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.passage-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.difficulty-badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 99px;
  text-transform: uppercase;
}

.difficulty-badge.easy   { background: #dcfce7; color: #166534; }
.difficulty-badge.medium { background: #fef9c3; color: #854d0e; }
.difficulty-badge.hard   { background: #fee2e2; color: #991b1b; }

.passage-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.passage-text {
  font-size: 0.9rem;
  line-height: 1.75;
  color: #374151;
  white-space: pre-wrap;
}

/* RIGHT: QUESTIONS */
.question-pane {
  background: var(--bg-color);
  padding: 1.75rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.question-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.question-number {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.question-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-color);
  margin-bottom: 1rem;
  font-weight: 500;
}

/* T/F/CT BUTTONS */
.tfct-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
}

.tfct-btn {
  padding: 0.6rem 0.4rem;
  border-radius: 8px;
  border: 2px solid var(--border-color);
  background: var(--card-bg);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.tfct-btn:hover:not(:disabled) { border-color: var(--accent-color); background: var(--accent-soft); }

.tfct-btn.selected-true     { border-color: var(--true-color);  background: #dcfce7; color: #166534; }
.tfct-btn.selected-false    { border-color: var(--false-color); background: #fee2e2; color: #991b1b; }
.tfct-btn.selected-cant_tell { border-color: var(--ct-color);   background: #fef9c3; color: #854d0e; }

.tfct-btn.reveal-correct    { border-color: var(--true-color);  background: #dcfce7; color: #166534; }
.tfct-btn.reveal-wrong      { border-color: var(--false-color); background: #fee2e2; color: #991b1b; }

/* MCQ BUTTONS */
.mcq-options { display: flex; flex-direction: column; gap: 0.4rem; }

.mcq-btn {
  padding: 0.65rem 0.85rem;
  border-radius: 8px;
  border: 2px solid var(--border-color);
  background: var(--card-bg);
  font-size: 0.825rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s;
  line-height: 1.45;
}

.mcq-btn:hover:not(:disabled) { border-color: var(--accent-color); background: var(--accent-soft); }
.mcq-btn.selected    { border-color: #6366f1; background: #eef2ff; color: #3730a3; }
.mcq-btn.reveal-correct { border-color: var(--true-color);  background: #dcfce7; color: #166534; }
.mcq-btn.reveal-wrong   { border-color: var(--false-color); background: #fee2e2; color: #991b1b; }

/* EXPLANATION */
.explanation-box {
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: #f0fdf4;
  border-left: 3px solid var(--true-color);
  border-radius: 6px;
  font-size: 0.8rem;
  line-height: 1.55;
  color: #166534;
}

.explanation-box.locked {
  background: #f8fafc;
  border-left-color: var(--border-color);
  color: var(--text-muted);
  font-style: italic;
}

/* NEXT PASSAGE BUTTON */
.next-passage-btn {
  width: 100%;
  padding: 0.75rem;
  background: var(--accent-color);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
  margin-top: 0.5rem;
}

.next-passage-btn:hover { opacity: 0.9; }

/* ─── RESULTS VIEW ────────────────────────────────────────────────────────── */
#results-view {
  max-width: 680px;
  margin: 3rem auto;
  padding: 0 1.5rem 4rem;
}

.results-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

.results-score {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent-color);
  letter-spacing: -0.03em;
}

.results-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.25rem; }
.results-title { font-size: 1.25rem; font-weight: 700; margin: 1rem 0 0.25rem; }

.results-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.result-stat {
  background: var(--bg-color);
  border-radius: 8px;
  padding: 0.75rem;
}

.result-stat .val { font-size: 1.25rem; font-weight: 700; }
.result-stat .lbl { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.1rem; }

/* EMAIL GATE */
.email-gate-card {
  background: var(--card-bg);
  border: 2px dashed var(--accent-color);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.email-gate-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.email-gate-card p  { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem; }

.email-input-row {
  display: flex;
  gap: 0.5rem;
  max-width: 420px;
  margin: 0 auto 0.5rem;
}

.email-input-row input {
  flex: 1;
  padding: 0.6rem 0.85rem;
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.875rem;
  outline: none;
}

.email-input-row input:focus { border-color: var(--accent-color); }

.btn-unlock {
  padding: 0.6rem 1.1rem;
  background: var(--accent-color);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.email-error { font-size: 0.78rem; color: var(--false-color); margin-top: 0.25rem; }
.email-skip  { font-size: 0.78rem; color: var(--text-muted); cursor: pointer; text-decoration: underline; margin-top: 0.35rem; display: inline-block; }

/* BREAKDOWN TABLE */
.breakdown-section h3 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.75rem; }

.breakdown-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.breakdown-table th { text-align: left; padding: 0.4rem 0.5rem; color: var(--text-muted); font-weight: 600; border-bottom: 1px solid var(--border-color); }
.breakdown-table td { padding: 0.5rem; border-bottom: 1px solid var(--border-color); vertical-align: top; }
.breakdown-table tr:last-child td { border-bottom: none; }

.tick { color: var(--true-color); font-weight: 700; }
.cross { color: var(--false-color); font-weight: 700; }

.try-again-btn {
  width: 100%;
  padding: 0.85rem;
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 1rem;
  transition: border-color 0.2s;
}

.try-again-btn:hover { border-color: var(--accent-color); }

/* ─── AIRTABLE MODAL ──────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; padding: 1rem;
}

.modal-box {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 480px;
  width: 100%;
  position: relative;
}

.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  background: none; border: none; font-size: 1.25rem; cursor: pointer; color: var(--text-muted);
}

.modal-box h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; }
.modal-box p  { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 1rem; line-height: 1.5; }

/* ─── RESPONSIVE TWEAKS ───────────────────────────────────────────────────── */
@media (max-width: 500px) {
  .lobby-hero h1 { font-size: 1.5rem; }
  .results-stats { grid-template-columns: 1fr 1fr; }
  .email-input-row { flex-direction: column; }
}