/* ============================================================
   SANNI DAY RESIDENTIAL GROUP — DOCUMENTATION TRAINING
   Design system matching fire-drill-training site
   ============================================================ */

:root {
  --color-primary:        #8B1A1A;
  --color-primary-hover:  #6e1414;
  --color-primary-light:  #fdf2f2;
  --color-accent:         #F4A44A;
  --color-surface:        #ffffff;
  --color-bg:             #f7f6f2;
  --color-border:         #e2ddd8;
  --color-text:           #1a1a1a;
  --color-text-muted:     #5a5a5a;
  --color-text-faint:     #9a9a9a;
  --color-success:        #2e7d32;
  --color-success-light:  #e8f5e9;
  --color-warn:           #b45309;
  --color-warn-light:     #fffbeb;
  --color-error:          #c62828;
  --color-error-light:    #ffebee;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-display: 'DM Serif Display', Georgia, serif;
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   14px;
  --radius-full: 9999px;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 8px 32px rgba(0,0,0,.14);
  --transition: 0.18s ease;
}

[data-theme="dark"] {
  --color-primary:       #d97070;
  --color-primary-hover: #e88888;
  --color-primary-light: #2a1212;
  --color-surface:       #1c1b19;
  --color-bg:            #171614;
  --color-border:        #393836;
  --color-text:          #cdccca;
  --color-text-muted:    #797876;
  --color-text-faint:    #5a5957;
  --color-success-light: #1a2e1a;
  --color-warn-light:    #2a1e0a;
  --color-error-light:   #2a1414;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── SCREENS ── */
.screen { display: none; }
.screen.active { display: block; min-height: 100vh; }

/* ── BUTTONS ── */
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-primary:hover:not(:disabled) { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
}
.btn-secondary:hover:not(:disabled) { background: var(--color-primary-light); }
.btn-secondary:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.btn-ghost:hover { background: var(--color-border); color: var(--color-text); }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.9rem 2.25rem; font-size: 1rem; }

/* ── HEADER ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.625rem 1.5rem;
  box-shadow: var(--shadow-sm);
}
.header-logo { height: 38px; width: auto; object-fit: contain; }
.header-center { flex: 1; display: flex; flex-direction: column; gap: 0.1rem; }
.header-title { font-weight: 700; font-size: 0.9375rem; color: var(--color-text); }
.scenario-progress-label { font-size: 0.75rem; color: var(--color-text-muted); font-weight: 500; }
.header-right { display: flex; align-items: center; gap: 0.625rem; }
.instructor-chip {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
}

/* ── CALLOUTS ── */
.callout {
  display: flex;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border-left: 4px solid;
  font-size: 0.9rem;
  line-height: 1.6;
}
.callout-icon { font-size: 1.1rem; flex-shrink: 0; }
.callout-warn  { background: var(--color-warn-light);    border-color: var(--color-warn);    color: var(--color-warn); }
.callout-info  { background: var(--color-primary-light); border-color: var(--color-primary); color: var(--color-primary); }

/* ── FORM ELEMENTS ── */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.375rem; }
.form-group label { font-weight: 600; font-size: 0.875rem; color: var(--color-text); }
.form-group input {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.625rem 0.875rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition);
}
.form-group input:focus { outline: none; border-color: var(--color-primary); }
.required { color: var(--color-error); }
.field-error, .form-error { color: var(--color-error); font-size: 0.825rem; font-weight: 500; margin-top: 0.375rem; }
.hidden { display: none !important; }

/* ── SIGNATURE ── */
.sig-group { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 1rem; }
.sig-group label { font-weight: 600; font-size: 0.875rem; }
.sig-hint { font-size: 0.825rem; color: var(--color-text-muted); }
.sig-canvas-wrap {
  position: relative;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  height: 140px;
}
.sig-canvas-wrap canvas { display: block; width: 100%; height: 100%; touch-action: none; }
.sig-clear {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  cursor: pointer;
  font-family: var(--font-body);
  color: var(--color-text-muted);
  transition: background var(--transition);
}
.sig-clear:hover { background: var(--color-border); }
.sig-dark { background: #1a1a2e !important; border-color: #3a3a5c !important; }
.sig-dark canvas { background: #1a1a2e; }
.sig-dark .sig-clear { color: #c0c0d0 !important; background: rgba(255,255,255,0.08) !important; border-color: rgba(255,255,255,0.15) !important; }

/* ──────────────────────────────────────────
   VOICE SELECTION SCREEN
────────────────────────────────────────── */
.voice-select-container {
  max-width: 580px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.voice-logo { height: 68px; width: auto; object-fit: contain; margin-bottom: 1.5rem; }
.voice-select-container h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  color: var(--color-primary);
  line-height: 1.15;
  margin-bottom: 0.5rem;
}
.voice-sub { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; color: var(--color-text-faint); margin-bottom: 0.875rem; }
.voice-desc { font-size: 0.9375rem; color: var(--color-text-muted); max-width: 44ch; line-height: 1.65; margin-bottom: 2rem; }
.voice-cards { display: flex; flex-direction: column; gap: 0.875rem; width: 100%; max-width: 460px; margin-bottom: 1.5rem; }
.voice-card {
  display: flex;
  align-items: center;
  gap: 1.125rem;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.125rem 1.25rem;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow: var(--shadow-sm);
}
.voice-card:hover { border-color: var(--color-primary); background: var(--color-primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.voice-card.selected { border-color: var(--color-primary); background: var(--color-primary-light); box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 18%, transparent); }
.voice-avatar { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.voice-avatar.male   { background: linear-gradient(135deg, #1a5276, #2471a3); }
.voice-avatar.female { background: linear-gradient(135deg, #7d3c98, #a569bd); }
.voice-info { flex: 1; display: flex; flex-direction: column; gap: 0.15rem; }
.voice-name  { font-size: 1.0625rem; font-weight: 700; color: var(--color-text); }
.voice-role  { font-size: 0.775rem; font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.voice-style { font-size: 0.8rem; color: var(--color-text-faint); margin-top: 0.1rem; }
.voice-check {
  width: 30px; height: 30px; border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: transparent;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.voice-card.selected .voice-check { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.voice-hint { font-size: 0.8rem; color: var(--color-text-faint); margin-bottom: 1.5rem; }
.resume-banner {
  width: 100%;
  max-width: 460px;
  background: var(--color-primary-light);
  border: 1.5px solid color-mix(in srgb, var(--color-primary) 25%, transparent);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  text-align: left;
}
.resume-banner p { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 0.75rem; }
.resume-actions { display: flex; gap: 0.625rem; flex-wrap: wrap; }

/* ──────────────────────────────────────────
   INTRO SCREEN
────────────────────────────────────────── */
.intro-body { max-width: 780px; margin: 0 auto; padding: 2.5rem 1.5rem; }
.intro-hero { text-align: center; margin-bottom: 2.5rem; }
.intro-icon { font-size: 3rem; margin-bottom: 1rem; }
.intro-hero h1 { font-family: var(--font-display); font-size: clamp(1.75rem, 3.5vw, 2.5rem); color: var(--color-primary); margin-bottom: 0.75rem; }
.intro-lead { font-size: 1.0625rem; color: var(--color-text-muted); max-width: 52ch; margin: 0 auto; line-height: 1.7; }

/* Audio bar */
.audio-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.875rem 1.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}
.play-btn {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  border: none; cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background var(--transition), transform var(--transition);
}
.play-btn:hover { background: var(--color-primary-hover); transform: scale(1.05); }
.audio-track { flex: 1; display: flex; flex-direction: column; gap: 0.375rem; }
.audio-label-row { display: flex; justify-content: space-between; font-size: 0.8rem; }
#audioLabel { font-weight: 600; color: var(--color-text); }
#audioTime  { color: var(--color-text-faint); font-variant-numeric: tabular-nums; }
.progress-track {
  height: 5px; background: var(--color-border); border-radius: var(--radius-full);
  position: relative; cursor: pointer; border-radius: var(--radius-full);
}
.progress-fill { height: 100%; background: var(--color-primary); border-radius: var(--radius-full); width: 0; transition: width 0.1s linear; }
.progress-thumb {
  position: absolute; top: 50%; transform: translate(-50%, -50%);
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--color-primary); left: 0;
  box-shadow: 0 0 0 2px #fff, 0 0 0 3px var(--color-primary);
  transition: left 0.1s linear;
}

/* Caption panel */
.caption-panel {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  min-height: 110px;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.caption-slide-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  display: inline-block;
  padding: 0.18rem 0.6rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}
.caption-text {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  font-family: var(--font-body);
}
.caption-placeholder {
  color: var(--color-text-faint);
  font-style: italic;
  font-size: 0.9rem;
}
.caption-word {
  display: inline;
  transition: background 0.08s, color 0.08s;
  border-radius: 3px;
  padding: 0 1px;
}
.caption-word.active {
  background: var(--color-primary);
  color: #fff;
  border-radius: 4px;
  padding: 0 3px;
}
.caption-word.spoken {
  color: var(--color-text);
}

/* Concepts grid */
.concepts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.concept-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.concept-icon { font-size: 1.75rem; margin-bottom: 0.625rem; }
.concept-card h3 { font-size: 0.9375rem; font-weight: 700; color: var(--color-text); margin-bottom: 0.5rem; }
.concept-card p  { font-size: 0.825rem; color: var(--color-text-muted); line-height: 1.6; }
.intro-footer { text-align: center; margin-top: 2rem; }

/* ──────────────────────────────────────────
   SCENARIO SCREEN
────────────────────────────────────────── */
.scenario-body { max-width: 820px; margin: 0 auto; padding: 1.75rem 1.5rem 4rem; }

.scenario-progress-bar {
  height: 4px; background: var(--color-border); border-radius: var(--radius-full);
  margin-bottom: 1.5rem; overflow: hidden;
}
.scenario-progress-fill { height: 100%; background: var(--color-primary); width: 0; transition: width 0.4s ease; }

.scenario-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.scenario-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.scenario-card-header .scenario-tag {
  margin-bottom: 0;
}
.scenario-read-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-full);
  padding: 0.35rem 0.9rem;
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background var(--transition), transform 0.1s;
  white-space: nowrap;
}
.scenario-read-btn:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.scenario-read-btn.playing {
  background: var(--color-accent, #F4A44A);
  color: #fff;
}
.scenario-read-bar {
  height: 3px;
  background: var(--color-border);
  border-radius: 99px;
  margin-top: 1rem;
  overflow: hidden;
}
.scenario-read-progress {
  height: 100%;
  width: 0%;
  background: var(--color-primary);
  border-radius: 99px;
  transition: width 0.3s linear;
}
.scenario-tag {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}
.scenario-card h2 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  color: var(--color-text);
  margin-bottom: 1rem;
}
.scenario-content p  { font-size: 0.9375rem; color: var(--color-text); line-height: 1.75; margin-bottom: 0.75rem; }
.scenario-content strong { color: var(--color-primary); }

/* Scenario animation video */
.scenario-video-wrap {
  position: relative;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: #111;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
  aspect-ratio: 16 / 9;
}
.scenario-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.scenario-video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.25);
  transition: opacity 0.3s;
  opacity: 0;
  pointer-events: none;
}
.scenario-video-overlay.paused {
  opacity: 1;
  pointer-events: auto;
}
.scenario-video-play-btn {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(139,26,26,0.85);
  border: 3px solid rgba(255,255,255,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s, background 0.2s;
  backdrop-filter: blur(4px);
}
.scenario-video-play-btn:hover {
  transform: scale(1.1);
  background: rgba(139,26,26,1);
}
.scenario-video-wrap:hover .scenario-video-overlay:not(.paused) {
  opacity: 1;
  pointer-events: auto;
}

/* Rubric bar */
.rubric-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.625rem 1rem;
  font-size: 0.8rem;
  margin-bottom: 1.25rem;
}
.rubric-label { font-weight: 700; color: var(--color-text); margin-right: 0.25rem; }
.rubric-item {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
  border-radius: var(--radius-full);
  padding: 0.15rem 0.625rem;
  font-weight: 600;
}

/* Write area */
.write-area {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.write-label { font-size: 0.9375rem; font-weight: 700; color: var(--color-text); display: block; margin-bottom: 0.375rem; }
.write-hint  { font-size: 0.825rem; color: var(--color-text-muted); margin-bottom: 0.75rem; }
.note-textarea {
  width: 100%;
  min-height: 180px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg);
  resize: vertical;
  line-height: 1.7;
  transition: border-color var(--transition);
}
.note-textarea:focus { outline: none; border-color: var(--color-primary); }
.write-meta { display: flex; justify-content: space-between; font-size: 0.775rem; color: var(--color-text-faint); margin-top: 0.5rem; }
.min-words { color: var(--color-text-faint); }

/* Feedback */
.feedback-area {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.feedback-header { display: flex; align-items: center; gap: 1.25rem; margin-bottom: 1rem; }
.score-display {
  width: 72px; height: 72px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 1.375rem; font-weight: 800;
  border: 3px solid;
}
.score-display.pass { border-color: var(--color-success); background: var(--color-success-light); color: var(--color-success); }
.score-display.fail { border-color: var(--color-error);   background: var(--color-error-light);   color: var(--color-error);   }
.score-display.partial { border-color: var(--color-warn); background: var(--color-warn-light); color: var(--color-warn); }
.feedback-title { font-size: 1.125rem; font-weight: 700; color: var(--color-text); }
.feedback-breakdown {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem;
}
.rubric-score {
  display: flex; align-items: center; gap: 0.35rem;
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-full); padding: 0.25rem 0.75rem;
  font-size: 0.8rem; font-weight: 600;
}
.rubric-score.full    { border-color: var(--color-success); color: var(--color-success); background: var(--color-success-light); }
.rubric-score.partial { border-color: var(--color-warn);    color: var(--color-warn);    background: var(--color-warn-light);   }
.rubric-score.zero    { border-color: var(--color-error);   color: var(--color-error);   background: var(--color-error-light);  }
.feedback-text { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 1rem; }
.example-toggle { margin-bottom: 0.75rem; }
.example-area { border-top: 1px solid var(--color-border); padding-top: 1rem; }
.example-label {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--color-success);
  margin-bottom: 0.5rem;
}
.example-label.bad { color: var(--color-error); margin-top: 1rem; }
.example-text {
  background: var(--color-success-light);
  border-left: 3px solid var(--color-success);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  font-size: 0.875rem; color: var(--color-text); line-height: 1.7;
  margin-bottom: 0.25rem;
}
.example-text.bad { background: var(--color-error-light); border-color: var(--color-error); }
.example-why { font-size: 0.825rem; color: var(--color-text-muted); margin-top: 0.75rem; line-height: 1.6; }

/* Actions */
.scenario-actions { display: flex; gap: 0.875rem; flex-wrap: wrap; margin-bottom: 1rem; }

/* ──────────────────────────────────────────
   FOLLOW-UP SCREEN
────────────────────────────────────────── */
.followup-body { max-width: 720px; margin: 0 auto; padding: 2.5rem 1.5rem; }
.followup-icon { font-size: 2.5rem; text-align: center; margin-bottom: 1rem; }
.followup-body h2 { font-family: var(--font-display); font-size: 1.75rem; color: var(--color-primary); text-align: center; margin-bottom: 0.5rem; }
.followup-sub { text-align: center; color: var(--color-text-muted); font-size: 0.9375rem; margin-bottom: 2rem; }
.followup-questions { padding-left: 1.25rem; display: flex; flex-direction: column; gap: 0.875rem; margin-bottom: 1.5rem; }
.followup-questions li {
  background: var(--color-surface); border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md); padding: 0.875rem 1.125rem;
  font-size: 0.9375rem; color: var(--color-text); line-height: 1.65;
  list-style: none; margin-left: -1.25rem;
}
.advanced-prompt {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--color-primary-light);
  border: 1.5px solid color-mix(in srgb, var(--color-primary) 25%, transparent);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-size: 0.9rem; color: var(--color-text); line-height: 1.65;
  margin-bottom: 2rem;
}
.adv-icon { font-size: 1.25rem; flex-shrink: 0; }
.followup-actions { text-align: center; }

/* ──────────────────────────────────────────
   ACK SCREEN
────────────────────────────────────────── */
.ack-container { max-width: 680px; margin: 0 auto; padding: 2.5rem 1.5rem; }
.ack-container h2 { font-family: var(--font-display); font-size: 1.75rem; color: var(--color-primary); margin-bottom: 0.75rem; }
.ack-intro { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 1.5rem; }
.ack-statements { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1.5rem; }
.checkbox-label {
  display: flex; gap: 0.75rem; align-items: flex-start;
  background: var(--color-surface); border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md); padding: 0.875rem 1rem;
  cursor: pointer; font-size: 0.9rem; line-height: 1.65;
  transition: border-color var(--transition), background var(--transition);
}
.checkbox-label input { flex-shrink: 0; margin-top: 3px; accent-color: var(--color-primary); width: 16px; height: 16px; }
.checkbox-label:has(input:checked) { border-color: var(--color-primary); background: var(--color-primary-light); }
#ackForm { display: flex; flex-direction: column; gap: 1rem; }
.btn-submit { width: 100%; justify-content: center; margin-top: 0.5rem; padding: 0.9rem; }

/* ──────────────────────────────────────────
   COMPLETION SCREEN
────────────────────────────────────────── */
.complete-container { max-width: 720px; margin: 0 auto; padding: 2.5rem 1.5rem; text-align: center; }
.complete-icon { font-size: 3.5rem; margin-bottom: 0.75rem; }
.complete-container h2 { font-family: var(--font-display); font-size: 2rem; color: var(--color-primary); margin-bottom: 0.5rem; }
.complete-sub { font-size: 1rem; color: var(--color-text-muted); margin-bottom: 2rem; }
.complete-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }

/* Certificate */
.certificate {
  background: #fff;
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  text-align: center;
  max-width: 620px;
  margin: 0 auto 1.5rem;
}
.cert-header { display: flex; align-items: center; gap: 1rem; justify-content: center; margin-bottom: 1.5rem; border-bottom: 2px solid var(--color-accent); padding-bottom: 1rem; }
.cert-logo { height: 48px; width: auto; object-fit: contain; }
.cert-org { font-weight: 800; font-size: 1.0625rem; color: var(--color-primary); }
.cert-sub-org { font-size: 0.775rem; color: var(--color-text-muted); }
.cert-body { margin-bottom: 1.5rem; }
.cert-badge { font-size: 2.5rem; margin-bottom: 0.625rem; }
.cert-presents { font-size: 0.9rem; color: var(--color-text-muted); font-style: italic; margin-bottom: 0.375rem; }
.cert-name { font-family: var(--font-display); font-size: 1.875rem; color: var(--color-text); margin-bottom: 0.375rem; }
.cert-course { font-size: 0.9rem; color: var(--color-text-muted); font-style: italic; margin-bottom: 0.25rem; }
.cert-course-name { font-size: 1.25rem; font-weight: 800; color: var(--color-primary); margin-bottom: 0.875rem; }
.cert-meta { display: flex; justify-content: center; gap: 1.5rem; font-size: 0.825rem; color: var(--color-text-muted); flex-wrap: wrap; }
.cert-sig-area { border-top: 1px solid var(--color-border); padding-top: 0.875rem; }
.cert-sig-line { display: flex; justify-content: center; font-size: 0.875rem; font-weight: 600; color: var(--color-text); }

/* ──────────────────────────────────────────
   PRINT / PDF
────────────────────────────────────────── */
@page { size: landscape; margin: 0; }
@media print {
  * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
  .site-header, .audio-bar, .complete-actions,
  #voice-screen, #intro-screen, #scenario-screen, #followup-screen, #ack-screen { display: none !important; }
  #complete-screen { display: block !important; }
  .certificate { border: 3px solid #8B1A1A !important; box-shadow: none !important; page-break-inside: avoid; margin: 0 auto; }
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .concepts-grid { grid-template-columns: 1fr 1fr; }
  .feedback-header { flex-direction: column; align-items: flex-start; }
  .scenario-actions { flex-direction: column; }
  .complete-actions { flex-direction: column; align-items: center; }
}
@media (max-width: 400px) {
  .concepts-grid { grid-template-columns: 1fr; }
}

/* ============================
   SCENARIO SCREEN AUDIO BAR + AUTO-SYNC BADGE
   ============================ */
.audio-bar-scenario {
  position: sticky;
  top: 57px;
  z-index: 90;
  border-radius: 0;
  border-left: none;
  border-right: none;
  border-top: none;
  margin-bottom: 0;
  background: var(--color-surface);
  border-bottom: 1.5px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.audio-sync-badge {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.audio-sync-badge.synced {
  color: var(--color-success);
  background: var(--color-success-light);
  border-color: color-mix(in srgb, var(--color-success) 25%, transparent);
}