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

:root {
  --bg:        #0f172a;
  --card:      #1e293b;
  --card2:     #243047;
  --accent:    #3b82f6;
  --accent2:   #2563eb;
  --text:      #f1f5f9;
  --text-sec:  #94a3b8;
  --border:    #334155;
  --success:   #22c55e;
  --danger:    #ef4444;
  --warn:      #f59e0b;
  --radius:    16px;
  --radius-sm: 10px;
}

html { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom, 24px);
}

/* ── App wrapper ─────────────────────────────────────── */
#app {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 16px 32px;
}

/* ── Header ───────────────────────────────────────────── */
.header {
  padding: 20px 0 12px;
  margin-bottom: 4px;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-icon {
  font-size: 36px;
  line-height: 1;
  filter: drop-shadow(0 0 12px rgba(59,130,246,0.5));
}
.header-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
}
.header-sub {
  font-size: 13px;
  color: var(--text-sec);
  margin-top: 2px;
}

/* ── Sections ─────────────────────────────────────────── */
.section { display: none; }
.section.active { display: block; animation: fadeUp .3s ease; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Cards ────────────────────────────────────────────── */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
}

/* ── Field labels ─────────────────────────────────────── */
.field-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-sec);
  margin-bottom: 12px;
}

/* ── Pill groups ──────────────────────────────────────── */
.pill-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pill {
  flex: 1 1 auto;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-sec);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  min-width: 48px;
  text-align: center;
}
.pill:hover { border-color: var(--accent); color: var(--text); }
.pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ── Level description ────────────────────────────────── */
.level-desc {
  font-size: 12px;
  color: var(--text-sec);
  margin-top: 10px;
  min-height: 16px;
  line-height: 1.5;
  transition: opacity .2s;
}

/* ── Primary button ───────────────────────────────────── */
.btn-primary {
  width: 100%;
  padding: 16px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background .15s, transform .1s;
  margin-bottom: 12px;
}
.btn-primary:hover  { background: var(--accent2); }
.btn-primary:active { transform: scale(.97); }
.btn-primary:disabled { background: var(--border); cursor: not-allowed; }

.btn-secondary {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid var(--border);
  cursor: pointer;
  transition: border-color .15s;
  margin-bottom: 12px;
}
.btn-secondary:hover { border-color: var(--accent); }

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--text-sec);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color .15s;
}
.btn-ghost:hover { color: var(--text); }
.btn-ghost.btn-sm { font-size: 12px; }
.btn-back { width: 100%; text-align: center; margin-top: 4px; }

.btn-icon { font-size: 18px; }

/* ── Loading ──────────────────────────────────────────── */
.loading-card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 56px 24px;
  text-align: center;
  margin-top: 24px;
}
.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 20px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text {
  color: var(--text-sec);
  font-size: 15px;
}

/* ── Passage card ─────────────────────────────────────── */
.passage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.passage-badge {
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .06em;
  padding: 3px 10px;
  border-radius: 20px;
}
.passage-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  transition: filter .3s, opacity .3s;
}
.passage-text.blurred {
  filter: blur(5px);
  opacity: 0.4;
  user-select: none;
}

/* ── Audio player ─────────────────────────────────────── */
.audio-card { padding: 14px 18px; }
.audio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sec);
  margin-bottom: 10px;
}
.audio-icon { font-size: 16px; }
.listen-badge {
  margin-left: auto;
  background: var(--border);
  color: var(--text-sec);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
}
.player {
  display: flex;
  align-items: center;
  gap: 12px;
}
.player-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background .15s, transform .1s;
}
.player-btn:hover  { background: var(--accent2); }
.player-btn:active { transform: scale(.92); }
.player-btn svg { width: 20px; height: 20px; }
.player-track { flex: 1; }
.player-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.player-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 0%;
  transition: width .1s linear;
}
.player-times {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-sec);
  margin-top: 5px;
}

/* ── Divider ──────────────────────────────────────────── */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-sec);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin: 4px 0;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Record section ───────────────────────────────────── */
.record-card { text-align: center; }
.record-hint {
  font-size: 13px;
  color: var(--text-sec);
  margin-bottom: 20px;
}
.waveform {
  width: 100%;
  height: 60px;
  margin-bottom: 16px;
  border-radius: 8px;
  background: var(--card2);
}
.record-center { display: flex; flex-direction: column; align-items: center; gap: 12px; }

.record-btn {
  width: 84px;
  height: 84px;
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.record-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--danger);
  opacity: 0.4;
  transition: transform .2s;
}
.record-btn.recording .record-ring {
  animation: pulse-ring 1.2s ease-out infinite;
}
@keyframes pulse-ring {
  0%   { transform: scale(1);   opacity: 0.5; }
  100% { transform: scale(1.35); opacity: 0; }
}
.record-inner {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--danger);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(239,68,68,0.35);
  transition: background .2s, border-radius .2s, transform .1s;
}
.record-btn.recording .record-inner {
  border-radius: 14px;
  background: #dc2626;
}
.record-btn:active .record-inner { transform: scale(.92); }
.record-icon {
  font-size: 22px;
  color: #fff;
  font-style: normal;
  line-height: 1;
}

.record-timer {
  font-size: 28px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--danger);
  letter-spacing: .05em;
  min-height: 36px;
}

#user-playback { margin-top: 20px; text-align: left; }

/* ── Results ─────────────────────────────────────────── */
.results-hero {
  text-align: center;
  padding: 28px 24px 22px;
}
.overall-gauge {
  position: relative;
  width: 140px;
  height: 140px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gauge-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.gauge-arc { transition: stroke-dasharray 1.2s cubic-bezier(.22,1,.36,1); }
.gauge-label {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.gauge-score {
  font-size: 38px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}
.gauge-max {
  font-size: 16px;
  color: var(--text-sec);
  font-weight: 600;
}
.overall-verdict {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 18px;
}

/* Coverage bar */
.coverage-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card2);
  border-radius: 10px;
  padding: 10px 14px;
}
.coverage-label {
  font-size: 12px;
  color: var(--text-sec);
  white-space: nowrap;
  font-weight: 600;
}
.coverage-bar-wrap {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.coverage-bar-fill {
  height: 100%;
  background: var(--success);
  border-radius: 3px;
  width: 0%;
  transition: width 1s cubic-bezier(.22,1,.36,1);
}
.coverage-pct {
  font-size: 13px;
  font-weight: 700;
  color: var(--success);
  min-width: 36px;
  text-align: right;
}

/* Criteria grid */
.criteria-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}
.criterion-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 12px 12px;
  text-align: center;
}
.crit-gauge {
  position: relative;
  width: 80px;
  height: 80px;
  margin: 0 auto 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gauge-sm-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.crit-score {
  position: relative;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}
.crit-name {
  font-size: 12px;
  color: var(--text-sec);
  font-weight: 600;
}

/* Feedback cards */
.feedback-card { padding: 16px 18px; }
.feedback-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.feedback-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.feedback-list li {
  font-size: 14px;
  color: var(--text-sec);
  line-height: 1.5;
  padding-left: 18px;
  position: relative;
}
.feedback-list li::before {
  content: '›';
  position: absolute;
  left: 4px;
  color: var(--accent);
  font-weight: 700;
}

/* Comment card */
.comment-card {
  background: linear-gradient(135deg, rgba(59,130,246,.12), rgba(37,99,235,.06));
  border-color: rgba(59,130,246,.25);
}
.comment-text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  font-style: italic;
}

.results-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}

/* ── Utilities ───────────────────────────────────────── */
.hidden { display: none !important; }