/* ============================================
   AACROM EDITORIAL STRATEGIC · v5
   Sistema visual e-learning premium
   Tipografía: Fraunces (display) + Inter (body)
   ============================================ */

:root {
  --aacrom-primary: #1F3864;
  --aacrom-primary-deep: #142340;
  --aacrom-primary-light: #2E5497;
  --aacrom-accent: #C9A227;
  --aacrom-accent-light: #E8C667;
  --aacrom-accent-deep: #A8851A;
  --neutral-900: #0F1419;
  --neutral-700: #374151;
  --neutral-500: #6B7280;
  --neutral-300: #D1D5DB;
  --neutral-100: #F3F4F6;
  --neutral-50: #F9FAFB;
  --aacrom-text: #1F2937;
  --aacrom-text-muted: #6B7280;
  --aacrom-bg: #FFFFFF;
  --aacrom-bg-soft: #F9FAFB;
  --aacrom-bg-warm: #FBF8F1;
  --aacrom-border: #E5E7EB;
  --aacrom-success: #047857;
  --aacrom-success-bg: #D1FAE5;
  --aacrom-danger: #B91C1C;
  --aacrom-danger-bg: #FEE2E2;
  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body: 'Inter', 'Segoe UI', -apple-system, sans-serif;
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px; --sp-9: 96px;
  --shadow-xs: 0 1px 2px rgba(15,20,25,.05);
  --shadow-sm: 0 1px 3px rgba(15,20,25,.06),0 1px 2px rgba(15,20,25,.04);
  --shadow-md: 0 4px 6px -1px rgba(15,20,25,.08),0 2px 4px -2px rgba(15,20,25,.05);
  --shadow-lg: 0 10px 15px -3px rgba(15,20,25,.08),0 4px 6px -4px rgba(15,20,25,.05);
  --shadow-xl: 0 20px 25px -5px rgba(15,20,25,.10),0 8px 10px -6px rgba(15,20,25,.05);
  --shadow-2xl: 0 25px 50px -12px rgba(15,20,25,.20);
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px; --radius-xl: 24px;
  --transition-fast: 0.15s cubic-bezier(0.4,0,0.2,1);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.4s cubic-bezier(0.4,0,0.2,1);
  --sidebar-width: 320px;
}

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

html, body {
  height: 100%;
  font-family: var(--font-body);
  color: var(--aacrom-text);
  background: var(--aacrom-bg);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

button, input, select, textarea { font-family: inherit; }
#app { display: flex; height: 100vh; overflow: hidden; }

/* SIDEBAR */
#sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--aacrom-primary) 0%, var(--aacrom-primary-deep) 100%);
  color: white; display: flex; flex-direction: column;
  flex-shrink: 0; overflow-y: auto;
  transition: transform var(--transition);
  box-shadow: 4px 0 24px rgba(0,0,0,0.06);
}
.sidebar-header { padding: var(--sp-7) var(--sp-6) var(--sp-6); border-bottom: 1px solid rgba(255,255,255,0.08); }
#course-title {
  font-family: var(--font-display);
  font-size: 24px; font-weight: 600;
  line-height: 1.2; letter-spacing: -0.02em;
  margin-bottom: var(--sp-6);
}
.progress-wrapper { margin-top: var(--sp-2); }
.progress-bar { width: 100%; height: 3px; background: rgba(255,255,255,0.12); border-radius: 2px; overflow: hidden; margin-bottom: var(--sp-3); }
#progress-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--aacrom-accent) 0%, var(--aacrom-accent-light) 100%);
  transition: width var(--transition-slow);
  box-shadow: 0 0 12px rgba(201,162,39,0.5);
}
#progress-text { font-size: 11px; letter-spacing: 0.12em; font-weight: 600; opacity: 0.7; text-transform: uppercase; }
#module-nav { padding: var(--sp-5) 0; flex: 1; }
.module-item {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-6);
  cursor: pointer; font-size: 14px; line-height: 1.4;
  color: rgba(255,255,255,0.82);
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
}
.module-item:hover { background: rgba(255,255,255,0.06); color: white; }
.module-item.active { background: rgba(255,255,255,0.10); border-left-color: var(--aacrom-accent); font-weight: 600; color: white; }
.module-item .icon { opacity: 0.6; font-size: 16px; flex-shrink: 0; }
.module-item .check { margin-left: auto; width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid rgba(255,255,255,0.4); flex-shrink: 0; transition: all var(--transition); position: relative; }
.module-item.current .check { border-color: var(--aacrom-accent); border-style: dashed; animation: spin 6s linear infinite; }
.module-item.completed .check { background: var(--aacrom-accent); border-color: var(--aacrom-accent); }
.module-item.completed .check::after { content: '✓'; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 11px; color: var(--aacrom-primary-deep); font-weight: 900; }
@keyframes spin { to { transform: rotate(360deg); } }

/* MAIN */
#main { flex: 1; display: flex; flex-direction: column; overflow: hidden; background: var(--aacrom-bg); }
#topbar { display: flex; align-items: center; justify-content: space-between; padding: var(--sp-4) var(--sp-7); background: var(--aacrom-bg); border-bottom: 1px solid var(--aacrom-border); flex-shrink: 0; z-index: 5; }
#menu-toggle { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--aacrom-text); padding: 4px 8px; display: none; }
#screen-counter { font-size: 12px; color: var(--aacrom-text-muted); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
#screen-container { flex: 1; overflow-y: auto; background: var(--aacrom-bg); position: relative; }

/* SCREEN HEADER */
.screen-header { padding: var(--sp-8) var(--sp-7) var(--sp-7); background: var(--aacrom-bg); border-bottom: 1px solid var(--aacrom-border); position: relative; }
.screen-header h1 { font-family: var(--font-display); font-size: 48px; font-weight: 600; letter-spacing: -0.025em; line-height: 1.1; color: var(--aacrom-text); max-width: 900px; }
.screen-header .header-line { width: 60px; height: 3px; background: var(--aacrom-accent); margin-top: var(--sp-5); border-radius: 2px; }

/* HERO HEADER */
.screen-header.hero { padding: 0; background: var(--neutral-900); border-bottom: none; position: relative; min-height: 380px; overflow: hidden; display: flex; align-items: flex-end; }
.screen-header.hero .hero-image { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 0; }
.screen-header.hero .hero-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15,20,25,0.3) 0%, rgba(15,20,25,0.6) 50%, rgba(15,20,25,0.92) 100%); }
.screen-header.hero .hero-content { position: relative; z-index: 1; padding: var(--sp-9) var(--sp-7) var(--sp-7); width: 100%; max-width: 900px; }
.screen-header.hero .hero-eyebrow { font-family: var(--font-body); font-size: 12px; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--aacrom-accent-light); margin-bottom: var(--sp-3); display: block; }
.screen-header.hero h1 { color: white; font-size: 56px; font-weight: 600; letter-spacing: -0.03em; line-height: 1.05; text-shadow: 0 2px 24px rgba(0,0,0,0.4); max-width: none; }
.screen-header.hero .header-line { display: none; }

/* SCREEN BODY */
.screen-body { padding: var(--sp-8) var(--sp-7) var(--sp-9); max-width: 1080px; margin: 0 auto; position: relative; }
.screen-body > * + * { margin-top: var(--sp-5); }
.screen-body p { font-size: 17px; line-height: 1.75; color: var(--aacrom-text); max-width: 720px; margin-left: auto; margin-right: auto; }
/* (regla .left obsoleta removida: los párrafos heredan diagramación de .screen-body p) */
.screen-body p.lead { font-family: var(--font-display); font-size: 22px; line-height: 1.5; font-weight: 400; color: var(--neutral-700); }
.screen-body p strong { color: var(--aacrom-primary); font-weight: 600; }
.subtitle-blue { font-family: var(--font-display); font-size: 42px; font-weight: 600; color: var(--aacrom-primary); text-align: center; margin: var(--sp-5) 0; letter-spacing: -0.02em; line-height: 1.15; }

/* INSTRUCTIONS BOX + AUDIO */
.instructions-box { display: flex; align-items: center; gap: var(--sp-4); margin: var(--sp-6) auto var(--sp-4); padding: 0; max-width: 720px; }
.instructions-box .badge-icon { width: 48px; height: 48px; flex-shrink: 0; background: var(--aacrom-accent); border-radius: 50%; position: relative; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(201,162,39,0.25); }
.instructions-box .badge-icon::before { content: '!'; font-size: 26px; font-weight: 900; color: white; font-family: var(--font-display); }
.instructions-box .badge-icon::after { content: ''; position: absolute; inset: -5px; border: 2px dashed var(--aacrom-accent); border-radius: 50%; opacity: 0.35; }
.instructions-box .text { font-size: 16px; line-height: 1.45; color: var(--aacrom-text); }
.instructions-box .text strong { color: var(--aacrom-primary); font-weight: 600; }
audio { display: block; width: 100%; max-width: 680px; margin: var(--sp-4) auto var(--sp-6); height: 44px; border-radius: 30px; }

/* STATEMENT */
.statement { font-family: var(--font-display); background: linear-gradient(135deg, var(--aacrom-bg-warm) 0%, var(--aacrom-bg-soft) 100%); border-left: 4px solid var(--aacrom-accent); padding: var(--sp-6) var(--sp-7); margin: var(--sp-6) auto; font-size: 26px; line-height: 1.45; font-weight: 500; color: var(--aacrom-primary); max-width: 860px; font-style: italic; letter-spacing: -0.01em; position: relative; border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.statement::before { content: '"'; font-family: var(--font-display); font-size: 80px; line-height: 0; color: var(--aacrom-accent); vertical-align: -28px; margin-right: var(--sp-3); opacity: 0.5; }
.statement-citation { display: block; margin-top: var(--sp-4); font-family: var(--font-body); font-size: 13px; font-style: normal; color: var(--aacrom-text-muted); font-weight: 500; letter-spacing: 0.04em; }

/* LIST */
.aacrom-list { list-style: none; margin: var(--sp-6) auto; max-width: 800px; padding: 0; counter-reset: list-counter; }
.aacrom-list li { display: flex; gap: var(--sp-5); padding: var(--sp-5); background: var(--aacrom-bg-soft); margin-bottom: var(--sp-3); border-radius: var(--radius-md); font-size: 16px; line-height: 1.6; counter-increment: list-counter; align-items: flex-start; transition: all var(--transition-fast); border: 1px solid transparent; }
.aacrom-list li:hover { background: white; border-color: var(--aacrom-border); box-shadow: var(--shadow-sm); }
.aacrom-list li::before { content: counter(list-counter); width: 36px; height: 36px; background: var(--aacrom-accent); color: white; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 600; font-size: 16px; }
.aacrom-list li > span { flex: 1; padding-top: var(--sp-1); }

/* CASE CARD */
.case-card-wrapper { position: relative; margin: var(--sp-7) auto var(--sp-6); max-width: 1000px; border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-xl); }
.case-card-wrapper .bg-image { height: 320px; background-size: cover; background-position: center; position: relative; }
.case-card-wrapper .bg-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 0%, rgba(15,20,25,0.7) 100%); }
.case-card-wrapper .card-content { position: relative; background: white; padding: var(--sp-7) var(--sp-8); margin-top: -60px; margin-left: var(--sp-7); margin-right: var(--sp-7); border-radius: var(--radius-lg); font-size: 17px; line-height: 1.75; z-index: 1; box-shadow: var(--shadow-lg); }
.case-card-wrapper .card-subtitle { font-family: var(--font-display); font-size: 18px; font-style: italic; color: var(--aacrom-accent-deep); margin-bottom: var(--sp-4); letter-spacing: -0.01em; }
.case-card-wrapper .card-content strong { color: var(--aacrom-primary); font-weight: 600; }
@media (max-width: 700px) { .case-card-wrapper .card-content { margin: -40px 16px 0; padding: 24px; } }

/* TABS */
.tabs-container { margin: var(--sp-6) auto; max-width: 900px; }
.tabs-nav { display: flex; gap: 0; border-bottom: 2px solid var(--aacrom-border); }
.tab-btn { flex: 1; padding: var(--sp-4) var(--sp-5); border: none; background: transparent; cursor: pointer; font-size: 15px; font-weight: 600; color: var(--aacrom-text-muted); border-bottom: 3px solid transparent; margin-bottom: -2px; transition: all var(--transition); font-family: inherit; }
.tab-btn:hover { color: var(--aacrom-text); }
.tab-btn.active { color: var(--aacrom-primary); border-bottom-color: var(--aacrom-accent); }
.tab-panel { display: none; background: var(--aacrom-bg-soft); padding: var(--sp-6) var(--sp-7); border-radius: 0 0 var(--radius-md) var(--radius-md); font-size: 16px; line-height: 1.75; }
.tab-panel.active { display: block; animation: fadeUp 0.35s ease; }
.tab-panel ul { padding-left: var(--sp-5); }
.tab-panel li { margin-bottom: var(--sp-3); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* ACCORDION */
.accordion { margin: var(--sp-6) auto; max-width: 900px; }
.accordion-item { margin-bottom: var(--sp-3); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--aacrom-border); transition: all var(--transition); }
.accordion-item:hover { box-shadow: var(--shadow-md); }
.accordion-header { padding: var(--sp-5) var(--sp-6); background: white; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: var(--font-display); font-weight: 600; font-size: 18px; color: var(--aacrom-primary); transition: background var(--transition-fast); letter-spacing: -0.01em; }
.accordion-header:hover { background: var(--aacrom-bg-soft); }
.accordion-header .toggle { width: 36px; height: 36px; border-radius: 50%; background: var(--aacrom-primary); color: white; display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 300; transition: transform var(--transition); }
.accordion-item.open .toggle { transform: rotate(45deg); background: var(--aacrom-accent); }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height var(--transition-slow); background: var(--aacrom-bg-soft); }
.accordion-item.open .accordion-content { max-height: 800px; }
.accordion-content-inner { padding: var(--sp-5) var(--sp-6); font-size: 16px; line-height: 1.7; }

/* HOTSPOTS */
.hotspots-container { margin: var(--sp-6) auto; max-width: 1000px; }
.hotspots-image { width: 100%; border-radius: var(--radius-lg); display: block; box-shadow: var(--shadow-md); margin-bottom: var(--sp-5); }
.hotspots-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--sp-3); margin-top: var(--sp-5); }
.hotspot-btn { padding: var(--sp-5); background: white; border: 1.5px solid var(--aacrom-border); border-radius: var(--radius-md); cursor: pointer; font-weight: 600; font-size: 15px; color: var(--aacrom-primary); transition: all var(--transition); font-family: inherit; position: relative; text-align: center; }
.hotspot-btn::before { content: '+'; display: block; font-size: 26px; font-weight: 300; color: var(--aacrom-accent); margin-bottom: var(--sp-2); font-family: var(--font-display); }
.hotspot-btn:hover { background: white; border-color: var(--aacrom-accent); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.hotspot-btn.viewed { background: linear-gradient(135deg, var(--aacrom-primary) 0%, var(--aacrom-primary-deep) 100%); color: white; border-color: var(--aacrom-primary); }
.hotspot-btn.viewed::before { color: var(--aacrom-accent-light); content: '✓'; font-size: 18px; }
.hotspot-content { margin-top: var(--sp-5); padding: var(--sp-6) var(--sp-7); background: var(--aacrom-bg-soft); border-left: 4px solid var(--aacrom-accent); border-radius: var(--radius-md); font-size: 16px; line-height: 1.7; display: none; }
.hotspot-content.show { display: block; animation: fadeUp 0.3s; }
.hotspot-content strong { display: block; margin-bottom: var(--sp-3); color: var(--aacrom-primary); font-family: var(--font-display); font-size: 20px; }

/* MATRIX P27 REDISEÑO */
.matrix-container { margin: var(--sp-7) auto; max-width: 880px; padding: var(--sp-7) var(--sp-7) var(--sp-7) var(--sp-9); position: relative; }
.matrix-label-x { position: absolute; bottom: var(--sp-3); left: var(--sp-9); right: var(--sp-7); text-align: center; font-size: 12px; font-weight: 700; color: var(--aacrom-text-muted); letter-spacing: 0.12em; text-transform: uppercase; padding-top: var(--sp-3); border-top: 2px solid var(--aacrom-border); }
.matrix-label-y { position: absolute; left: var(--sp-3); top: var(--sp-7); bottom: var(--sp-7); writing-mode: vertical-rl; transform: rotate(180deg); text-align: center; font-size: 12px; font-weight: 700; color: var(--aacrom-text-muted); letter-spacing: 0.12em; text-transform: uppercase; display: flex; align-items: center; justify-content: center; padding-right: var(--sp-3); border-right: 2px solid var(--aacrom-border); }
.matrix-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: var(--sp-3); aspect-ratio: 1.15; margin-bottom: var(--sp-5); }
.matrix-quadrant { border-radius: var(--radius-lg); padding: var(--sp-5) var(--sp-6); display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; cursor: pointer; transition: all var(--transition); color: white; font-family: var(--font-display); font-weight: 600; font-size: 22px; letter-spacing: 0.04em; position: relative; overflow: hidden; min-height: 160px; text-shadow: 0 2px 12px rgba(0,0,0,0.30); }
.matrix-quadrant::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.18) 0%, transparent 60%), linear-gradient(135deg, rgba(255,255,255,0.08) 0%, rgba(0,0,0,0.12) 100%); pointer-events: none; }
.matrix-quadrant::after { content: '+'; position: absolute; top: var(--sp-4); right: var(--sp-5); font-size: 24px; font-weight: 300; color: rgba(255,255,255,0.85); transition: transform var(--transition); font-family: var(--font-body); width: 32px; height: 32px; border-radius: 50%; background: rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center; }
.matrix-quadrant:hover { transform: translateY(-4px); box-shadow: var(--shadow-2xl); }
.matrix-quadrant:hover::after { transform: rotate(90deg); }
.matrix-quadrant.active { box-shadow: 0 0 0 3px var(--aacrom-accent), var(--shadow-xl); transform: translateY(-4px); }
.matrix-quadrant.active::after { content: '♪'; font-size: 18px; }
.matrix-quadrant.visited::after { background: rgba(255,255,255,0.25); }
.matrix-content { margin-top: var(--sp-6); padding: var(--sp-7); background: white; border-left: 5px solid var(--aacrom-accent); border-radius: var(--radius-md); font-size: 17px; line-height: 1.75; display: none; box-shadow: var(--shadow-lg); }
.matrix-content.show { display: block; animation: fadeUp 0.4s; }
.matrix-content strong { display: block; font-family: var(--font-display); font-size: 26px; font-weight: 600; margin-bottom: var(--sp-4); letter-spacing: -0.01em; }

/* DECISION SCENARIO */
.scenario-container { margin: var(--sp-5) auto; max-width: 1000px; }
.scenario-intro-card { background: linear-gradient(135deg, var(--aacrom-bg-warm) 0%, white 100%); border-left: 5px solid var(--aacrom-primary); border-radius: var(--radius-lg); padding: var(--sp-6) var(--sp-7); margin-bottom: var(--sp-6); box-shadow: var(--shadow-md); position: relative; overflow: hidden; }
.scenario-intro-card::before { content: ''; position: absolute; top: -60px; right: -60px; width: 240px; height: 240px; background: radial-gradient(circle, var(--aacrom-accent) 0%, transparent 70%); opacity: 0.10; pointer-events: none; }
.scenario-intro-card p { font-size: 17px; line-height: 1.7; max-width: none; }
.dialogue-container { background: white; border-radius: var(--radius-lg); padding: var(--sp-6); margin: var(--sp-6) 0; box-shadow: var(--shadow-md); border: 1px solid var(--aacrom-border); }
.dialogue-line { display: flex; gap: var(--sp-4); margin-bottom: var(--sp-4); align-items: flex-start; opacity: 0.35; transition: all var(--transition); cursor: pointer; padding: var(--sp-3) var(--sp-4); border-radius: var(--radius-md); }
.dialogue-line:hover { background: var(--aacrom-bg-soft); }
.dialogue-line.played { opacity: 1; }
.dialogue-line.active { opacity: 1 !important; background: linear-gradient(90deg, rgba(201,162,39,0.10) 0%, transparent 100%); box-shadow: 0 0 0 2px rgba(201,162,39,0.25); }
.dialogue-line audio { display: none; }
.dialogue-line.active .dialogue-avatar { animation: pulseAvatar 1.3s ease-in-out infinite; box-shadow: 0 0 0 8px rgba(201,162,39,0.18); }
@keyframes pulseAvatar { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }
.dialogue-avatar { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 600; color: white; font-size: 18px; flex-shrink: 0; background: linear-gradient(135deg, var(--aacrom-primary) 0%, var(--aacrom-primary-light) 100%); transition: all var(--transition); box-shadow: var(--shadow-sm); }
.dialogue-avatar.andres { background: linear-gradient(135deg, #4A5C77 0%, #6A7C97 100%); }
.dialogue-avatar.narrator { background: linear-gradient(135deg, #888 0%, #AAA 100%); font-size: 22px; }
.dialogue-line::after { content: '↻'; margin-left: auto; font-size: 16px; color: var(--aacrom-text-muted); opacity: 0; transition: opacity var(--transition-fast); align-self: center; }
.dialogue-line.played:hover::after, .dialogue-line.active::after { opacity: 0.7; }
.dialogue-controls { display: flex; justify-content: center; margin-top: var(--sp-5); gap: var(--sp-3); }
.dialogue-control-btn { padding: var(--sp-3) var(--sp-5); font-size: 13px; background: transparent; color: var(--aacrom-primary); border: 1.5px solid var(--aacrom-primary); border-radius: 30px; cursor: pointer; font-family: inherit; font-weight: 600; transition: all var(--transition); letter-spacing: 0.02em; }
.dialogue-control-btn:hover { background: var(--aacrom-primary); color: white; }
.dialogue-character { font-weight: 700; font-size: 12px; color: var(--aacrom-primary); margin-bottom: var(--sp-2); letter-spacing: 0.08em; text-transform: uppercase; }
.dialogue-character .role { font-weight: 400; color: var(--aacrom-text-muted); font-size: 11px; margin-left: var(--sp-2); text-transform: none; letter-spacing: 0; }
.dialogue-text { font-size: 16px; line-height: 1.7; color: var(--aacrom-text); }
.scenario-question { margin-top: var(--sp-7); font-family: var(--font-display); font-size: 28px; font-weight: 600; color: var(--aacrom-primary); text-align: center; letter-spacing: -0.02em; }
.scenario-options { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); margin-top: var(--sp-6); }
.scenario-option-btn { padding: var(--sp-6); background: white; border: 1.5px solid var(--aacrom-border); border-radius: var(--radius-lg); cursor: pointer; text-align: left; transition: all var(--transition); font-family: inherit; position: relative; overflow: hidden; }
.scenario-option-btn::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--aacrom-primary), var(--aacrom-accent)); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
.scenario-option-btn:hover::before { transform: scaleX(1); }
.scenario-option-btn:hover { border-color: var(--aacrom-accent); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.scenario-option-btn .option-id { display: inline-block; width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--aacrom-primary), var(--aacrom-primary-light)); color: white; text-align: center; line-height: 36px; font-family: var(--font-display); font-weight: 600; margin-right: var(--sp-3); font-size: 16px; }
.scenario-option-btn .option-label { font-family: var(--font-display); font-weight: 600; color: var(--aacrom-primary); font-size: 18px; letter-spacing: -0.01em; display: block; margin-bottom: var(--sp-2); }
.scenario-option-btn .option-sub { font-size: 14px; color: var(--aacrom-text-muted); line-height: 1.55; }
.scenario-result { margin-top: var(--sp-5); padding: var(--sp-7); border-radius: var(--radius-lg); background: white; border-left: 5px solid var(--aacrom-accent); box-shadow: var(--shadow-md); }
.scenario-result.correct { border-left-color: var(--aacrom-success); }
.scenario-result.incorrect { border-left-color: var(--aacrom-danger); }
.scenario-result-badge { display: inline-block; padding: var(--sp-2) var(--sp-4); border-radius: 30px; background: var(--aacrom-accent); color: white; font-size: 11px; font-weight: 700; letter-spacing: 0.12em; margin-bottom: var(--sp-4); text-transform: uppercase; }
.scenario-result.correct .scenario-result-badge { background: var(--aacrom-success); }
.scenario-result.incorrect .scenario-result-badge { background: var(--aacrom-danger); }
.scenario-result h4 { font-family: var(--font-display); font-size: 26px; color: var(--aacrom-primary); margin-bottom: var(--sp-3); font-weight: 600; letter-spacing: -0.01em; }
.scenario-result p { font-size: 16px; line-height: 1.7; text-align: left; max-width: none; }
.scenario-actions { margin-top: var(--sp-5); display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }
.scenario-convergent { margin-top: var(--sp-6); padding: var(--sp-7); background: linear-gradient(135deg, var(--aacrom-primary-deep) 0%, var(--aacrom-primary) 100%); color: white; border-radius: var(--radius-lg); display: none; box-shadow: var(--shadow-xl); position: relative; overflow: hidden; }
.scenario-convergent::before { content: ''; position: absolute; top: -100px; right: -100px; width: 300px; height: 300px; background: radial-gradient(circle, var(--aacrom-accent) 0%, transparent 70%); opacity: 0.18; }
.scenario-convergent.show { display: block; animation: fadeUp 0.5s; }
.scenario-convergent h4 { font-family: var(--font-display); font-size: 28px; color: var(--aacrom-accent-light); margin-bottom: var(--sp-4); font-weight: 600; }
.scenario-convergent p { color: white; font-size: 17px; line-height: 1.75; text-align: left; max-width: none; }

/* QUESTIONS */
.question-card { background: white; padding: var(--sp-7); border-radius: var(--radius-lg); margin: var(--sp-5) auto; max-width: 880px; box-shadow: var(--shadow-md); border: 1px solid var(--aacrom-border); }
.question-counter { font-size: 11px; font-weight: 700; letter-spacing: 0.15em; color: var(--aacrom-accent-deep); margin-bottom: var(--sp-3); text-transform: uppercase; }
.question-stem { font-family: var(--font-display); font-size: 22px; line-height: 1.45; margin-bottom: var(--sp-6); font-weight: 500; color: var(--aacrom-primary); letter-spacing: -0.01em; }
.option-row { display: flex; align-items: flex-start; gap: var(--sp-4); padding: var(--sp-4) var(--sp-5); background: var(--aacrom-bg-soft); border: 1.5px solid transparent; border-radius: var(--radius-md); margin-bottom: var(--sp-3); cursor: pointer; transition: all var(--transition-fast); }
.option-row:hover { border-color: var(--aacrom-border); background: white; }
.option-row.selected { border-color: var(--aacrom-primary); background: rgba(31,56,100,0.04); }
.option-row.correct { border-color: var(--aacrom-success) !important; background: var(--aacrom-success-bg); position: relative; }
.option-row.correct::after { content: '✓'; position: absolute; right: var(--sp-5); top: 50%; transform: translateY(-50%); color: var(--aacrom-success); font-size: 22px; font-weight: 900; }
.option-row.incorrect { border-color: var(--aacrom-danger) !important; background: var(--aacrom-danger-bg); position: relative; }
.option-row.incorrect::after { content: '✗'; position: absolute; right: var(--sp-5); top: 50%; transform: translateY(-50%); color: var(--aacrom-danger); font-size: 22px; font-weight: 900; }
.option-row input { width: 18px; height: 18px; margin-top: 3px; cursor: pointer; flex-shrink: 0; accent-color: var(--aacrom-primary); }
.option-row label { flex: 1; cursor: pointer; font-size: 16px; line-height: 1.5; }
.matching-grid { display: grid; gap: var(--sp-3); margin: var(--sp-5) 0; }
.matching-row { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--sp-4); }
.matching-cell { padding: var(--sp-4) var(--sp-5); background: white; border: 1.5px solid var(--aacrom-border); border-radius: var(--radius-md); font-size: 15px; line-height: 1.4; }
.matching-cell.left { background: linear-gradient(135deg, var(--aacrom-primary), var(--aacrom-primary-light)); color: white; border-color: var(--aacrom-primary); font-family: var(--font-display); font-weight: 600; }
.matching-arrow { font-size: 22px; color: var(--aacrom-accent); }
.feedback-box { margin-top: var(--sp-5); padding: var(--sp-5) var(--sp-6); border-radius: var(--radius-md); background: var(--aacrom-bg-soft); border-left: 4px solid var(--aacrom-accent); }
.feedback-box.correct { border-left-color: var(--aacrom-success); background: var(--aacrom-success-bg); }
.feedback-box.incorrect { border-left-color: var(--aacrom-danger); background: var(--aacrom-danger-bg); }
.feedback-box .feedback-title { font-family: var(--font-display); font-weight: 600; margin-bottom: var(--sp-2); color: var(--aacrom-primary); font-size: 18px; display: flex; align-items: center; gap: var(--sp-3); }
.feedback-box.correct .feedback-title::before { content: '✓'; width: 28px; height: 28px; background: var(--aacrom-success); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 14px; font-family: var(--font-body); }
.feedback-box.incorrect .feedback-title::before { content: '!'; width: 28px; height: 28px; background: var(--aacrom-danger); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 900; font-family: var(--font-body); }
.feedback-box.correct .feedback-title { color: var(--aacrom-success); }
.feedback-box.incorrect .feedback-title { color: var(--aacrom-danger); }
.feedback-box p { font-size: 15px; line-height: 1.65; text-align: left; max-width: none; }
.quiz-submit { margin: var(--sp-6) auto 0; display: block; padding: var(--sp-4) var(--sp-7); font-size: 15px; font-weight: 700; background: linear-gradient(135deg, var(--aacrom-primary) 0%, var(--aacrom-primary-deep) 100%); color: white; border: none; border-radius: 30px; cursor: pointer; font-family: inherit; letter-spacing: 0.04em; text-transform: uppercase; transition: all var(--transition); box-shadow: var(--shadow-md); }
.quiz-submit:hover:not(:disabled) { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.quiz-submit:disabled { opacity: 0.4; cursor: not-allowed; }
.quiz-result-summary { text-align: center; padding: var(--sp-8) var(--sp-7); background: white; border-radius: var(--radius-xl); margin: var(--sp-6) auto; max-width: 720px; box-shadow: var(--shadow-lg); }
.quiz-result-summary .score { font-family: var(--font-display); font-size: 80px; font-weight: 600; color: var(--aacrom-primary); line-height: 1; letter-spacing: -0.04em; }
.quiz-result-summary .score .total { color: var(--aacrom-text-muted); font-size: 36px; font-weight: 400; }
.quiz-result-summary .label { font-size: 12px; letter-spacing: 0.15em; color: var(--aacrom-text-muted); margin-top: var(--sp-3); font-weight: 700; text-transform: uppercase; }
.quiz-result-summary .badge { display: inline-block; padding: var(--sp-3) var(--sp-6); margin-top: var(--sp-5); border-radius: 30px; font-weight: 700; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; }
.quiz-result-summary .badge.passed { background: var(--aacrom-success); color: white; }
.quiz-result-summary .badge.failed { background: var(--aacrom-danger); color: white; }
.quiz-result-summary p { margin-top: var(--sp-5); font-size: 16px; line-height: 1.7; max-width: 580px; margin-left: auto; margin-right: auto; }

/* SORTING */
.sorting-container { margin: var(--sp-6) auto; max-width: 1100px; }
.sorting-items-pool { display: flex; flex-wrap: wrap; gap: var(--sp-3); padding: var(--sp-5); background: var(--aacrom-bg-soft); border-radius: var(--radius-lg); min-height: 90px; margin-bottom: var(--sp-5); border: 2px dashed var(--aacrom-border); }
.sortable-item { padding: var(--sp-4) var(--sp-5) var(--sp-4) var(--sp-6); background: white; border: 1px solid var(--aacrom-border); border-radius: var(--radius-md); cursor: grab; font-size: 14px; line-height: 1.5; max-width: 360px; transition: all var(--transition); box-shadow: var(--shadow-xs); position: relative; }
.sortable-item::before { content: '⋮⋮'; position: absolute; left: var(--sp-2); top: 50%; transform: translateY(-50%); color: var(--aacrom-accent); font-size: 14px; letter-spacing: -2px; opacity: 0.6; }
.sortable-item:hover { border-color: var(--aacrom-accent); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.sortable-item:active { cursor: grabbing; }
.sortable-item.correct-placed { border-color: var(--aacrom-success); background: var(--aacrom-success-bg); }
.sortable-item.correct-placed::before { content: '✓'; color: var(--aacrom-success); font-size: 16px; font-weight: 700; }
.sortable-item.wrong-placed { border-color: var(--aacrom-danger); background: var(--aacrom-danger-bg); }
.sortable-item.wrong-placed::before { content: '✗'; color: var(--aacrom-danger); font-size: 16px; font-weight: 700; }
.sorting-categories { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--sp-3); }
.sorting-category { background: white; border: 2px dashed var(--aacrom-border); border-radius: var(--radius-lg); padding: var(--sp-5); min-height: 180px; display: flex; flex-direction: column; transition: all var(--transition); }
.sorting-category.drag-over { border-color: var(--aacrom-accent); border-style: solid; background: var(--aacrom-bg-warm); box-shadow: var(--shadow-md); }
.sorting-category-title { font-family: var(--font-display); font-weight: 600; color: var(--aacrom-primary); font-size: 15px; text-align: center; margin-bottom: var(--sp-4); padding-bottom: var(--sp-3); border-bottom: 2px solid var(--aacrom-accent); letter-spacing: -0.01em; }
.sorting-explanations { margin-top: var(--sp-7); }
.sorting-explanation-row { display: grid; grid-template-columns: 220px 1fr; gap: var(--sp-5); padding: var(--sp-5) var(--sp-6); background: white; border-left: 4px solid var(--aacrom-accent); border-radius: var(--radius-md); margin-bottom: var(--sp-3); align-items: start; box-shadow: var(--shadow-xs); }
.sorting-explanation-row .cat-label { font-family: var(--font-display); font-weight: 600; color: var(--aacrom-primary); font-size: 18px; letter-spacing: -0.01em; }
.sorting-explanation-row .cat-explanation { font-size: 14px; line-height: 1.65; color: var(--aacrom-text); }
@media (max-width: 700px) { .sorting-explanation-row { grid-template-columns: 1fr; gap: var(--sp-2); } }

/* FONDO VERIFICACIÓN */
.screen-questions-bg { position: relative; }
.screen-questions-bg::before { content: ''; position: absolute; inset: 0; background: url('assets/images/fondo_samurai_verificacion.jpg') center / cover no-repeat; opacity: 0.12; pointer-events: none; z-index: 0; filter: grayscale(0.4) sepia(0.15); }
.screen-questions-bg > * { position: relative; z-index: 1; }

/* FOOTER */
#footer-nav { display: flex; justify-content: space-between; align-items: center; padding: var(--sp-4) var(--sp-7); border-top: 1px solid var(--aacrom-border); background: var(--aacrom-bg); flex-shrink: 0; }
.nav-btn { padding: var(--sp-3) var(--sp-6); font-size: 14px; font-weight: 600; background: transparent; color: var(--aacrom-primary); border: 1.5px solid var(--aacrom-primary); border-radius: 30px; cursor: pointer; transition: all var(--transition); font-family: inherit; letter-spacing: 0.01em; }
.nav-btn:hover:not(:disabled) { background: var(--aacrom-primary); color: white; transform: translateY(-1px); }
.nav-btn.primary { background: linear-gradient(135deg, var(--aacrom-primary) 0%, var(--aacrom-primary-deep) 100%); color: white; border: none; box-shadow: var(--shadow-md); }
.nav-btn.primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.nav-btn:disabled { opacity: 0.35; cursor: not-allowed; }
#dark-toggle { background: transparent; border: 1px solid var(--aacrom-border); color: var(--aacrom-text); cursor: pointer; padding: var(--sp-2) var(--sp-4); border-radius: 30px; font-size: 13px; font-family: inherit; transition: all var(--transition-fast); }
#dark-toggle:hover { background: var(--aacrom-bg-soft); }
#preview-badge { position: fixed; bottom: var(--sp-4); right: var(--sp-4); background: linear-gradient(135deg, var(--aacrom-accent) 0%, var(--aacrom-accent-deep) 100%); color: white; padding: var(--sp-2) var(--sp-4); border-radius: 30px; font-size: 10px; font-weight: 700; letter-spacing: 0.12em; z-index: 100; box-shadow: var(--shadow-lg); text-transform: uppercase; }

/* MODO OSCURO */
body.dark-mode { --aacrom-text: #F1F5F9; --aacrom-text-muted: #94A3B8; --aacrom-bg: #0F1419; --aacrom-bg-soft: #1E293B; --aacrom-bg-warm: #1E293B; --aacrom-border: #334155; }
body.dark-mode #sidebar { background: linear-gradient(180deg, #0A1530 0%, #050A1A 100%); }
body.dark-mode .screen-header { background: var(--aacrom-bg); border-bottom-color: var(--aacrom-border); }
body.dark-mode .screen-header h1 { color: #F1F5F9; }
body.dark-mode .screen-questions-bg::before { display: none !important; }
body.dark-mode #screen-container { background: var(--aacrom-bg) !important; }
body.dark-mode .statement { background: linear-gradient(135deg, #1E293B 0%, #0F1419 100%); color: var(--aacrom-accent-light); }
body.dark-mode .aacrom-list li { background: #1E293B; }
body.dark-mode .aacrom-list li:hover { background: #2A3548; }
body.dark-mode .tab-panel, body.dark-mode .accordion-header, body.dark-mode .hotspot-btn, body.dark-mode .scenario-intro-card, body.dark-mode .option-row { background: #1E293B; color: var(--aacrom-text); }
body.dark-mode .accordion-content { background: #0F1419; }
body.dark-mode .scenario-option-btn { background: #1E293B; }
body.dark-mode .case-card-wrapper .card-content { background: #1E293B; color: var(--aacrom-text); }
body.dark-mode .scenario-result, body.dark-mode .question-card, body.dark-mode .quiz-result-summary, body.dark-mode .matrix-content, body.dark-mode .hotspot-content, body.dark-mode .sorting-category, body.dark-mode .dialogue-container, body.dark-mode .sorting-explanation-row { background: #1E293B; color: var(--aacrom-text); }
body.dark-mode .feedback-box { background: #0F1419; }
body.dark-mode .sortable-item { background: #2A3548; color: var(--aacrom-text); }
body.dark-mode .sorting-items-pool { background: #1E293B; }
body.dark-mode #topbar, body.dark-mode #footer-nav { background: var(--aacrom-bg); border-color: var(--aacrom-border); }
body.dark-mode select { color: var(--aacrom-text); background: #1E293B; }
body.dark-mode .matching-cell:not(.left) { background: #1E293B; }

/* RESPONSIVE */
@media (max-width: 1024px) { :root { --sidebar-width: 280px; } .screen-header h1 { font-size: 38px; } .screen-header.hero h1 { font-size: 42px; } .screen-header.hero { min-height: 320px; } }
@media (max-width: 900px) { #sidebar { position: fixed; top: 0; bottom: 0; left: 0; z-index: 10; transform: translateX(-100%); } #sidebar.open { transform: translateX(0); } #menu-toggle { display: block; } .screen-header { padding: var(--sp-7) var(--sp-5) var(--sp-5); } .screen-header h1 { font-size: 32px; } .screen-header.hero .hero-content { padding: var(--sp-7) var(--sp-5) var(--sp-5); } .screen-header.hero h1 { font-size: 32px; } .screen-body { padding: var(--sp-6) var(--sp-5) var(--sp-8); } .screen-body p, .statement { font-size: 16px; } .statement { font-size: 19px; padding: var(--sp-5); } .subtitle-blue { font-size: 28px; } .instructions-box .text { font-size: 14px; } .matrix-container { padding-left: var(--sp-7); } .matrix-grid { aspect-ratio: 1; } .matrix-quadrant { font-size: 18px; min-height: 140px; } .scenario-options { grid-template-columns: 1fr; } .case-card-wrapper .card-content { margin: -30px 16px 0; padding: var(--sp-5); } .matching-row { grid-template-columns: 1fr; } .matching-arrow { display: none; } #footer-nav { padding: var(--sp-3) var(--sp-5); } #topbar { padding: var(--sp-3) var(--sp-5); } }
@media (max-width: 600px) { .matrix-grid { grid-template-columns: 1fr; grid-template-rows: repeat(4, auto); aspect-ratio: auto; } .matrix-label-x, .matrix-label-y { position: static; writing-mode: initial; transform: none; } .matrix-container { padding-left: var(--sp-5); } }

/* CONTEXT IMAGE (contextual image en paragraph_audio y statement_paragraph) */
.context-image-wrapper {
  margin: var(--sp-7) auto var(--sp-5);
  max-width: 880px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.context-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, transparent 70%, rgba(15,20,25,0.15) 100%);
  pointer-events: none;
}
.context-image {
  display: block;
  width: 100%;
  height: 360px;
  object-fit: cover;
  object-position: center;
  transition: transform var(--transition-slow);
}
.context-image-wrapper:hover .context-image { transform: scale(1.02); }

body.dark-mode .context-image-wrapper { box-shadow: 0 10px 30px rgba(0,0,0,0.5); }

@media (max-width: 700px) {
  .context-image { height: 240px; }
}

/* ============================================
   v5.1 · DIAGRAMACIÓN PROFESIONAL
   Centrado de contenedores + justificación de párrafos
   ============================================ */

/* Párrafos: contenedor centrado, texto justificado por defecto */
.screen-body p {
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  -webkit-hyphens: auto;
  margin-left: auto;
  margin-right: auto;
  max-width: 720px;
  /* Cuando el párrafo es corto se ve centrado naturalmente porque el max-width manda */
}

/* Párrafos cortos (clase opcional) se centran */
.screen-body p.center {
  text-align: center;
  hyphens: none;
}

/* Párrafos largos en case studies y scenarios: justificados sin hyphenation forzada */
.case-card-wrapper .card-content p,
.scenario-intro-card p,
.scenario-result p,
.scenario-convergent p {
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  -webkit-hyphens: auto;
  max-width: none;
}

/* Párrafo lead: centrado y serif, no justificado (es decoración) */
.screen-body p.lead {
  text-align: center;
  hyphens: none;
}

/* Tabs y accordion content: justificado para lectura cómoda */
.tab-panel, .accordion-content-inner, .hotspot-content {
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  -webkit-hyphens: auto;
}
.tab-panel ul, .accordion-content-inner ul, .hotspot-content ul {
  text-align: left;
}

/* Statement: centrado decorativo, no justificado */
.statement {
  text-align: center;
  hyphens: none;
}
.statement-citation { text-align: center; }

/* Question stem: centrado (anclas) */
.question-stem {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

/* Subtítulos H3 en pantallas: centrados */
.screen-body h3 {
  text-align: center;
  margin: var(--sp-6) auto var(--sp-3);
  max-width: 720px;
}

/* Intro paragraphs cortos se controlan con clase .center explícita en el HTML */

/* Listas: centradas como contenedor, items con texto justificado interno */
.aacrom-list { margin-left: auto; margin-right: auto; }
.aacrom-list li > span {
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  -webkit-hyphens: auto;
}

/* Card content body: justificado */
.card-content p { text-align: justify; hyphens: auto; -webkit-hyphens: auto; }

/* Subheading (h3 inline en statement_paragraph) centrado */
.screen-body h3[style*="font-family"] {
  text-align: center !important;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

/* La excepción: feedback del KC y Quiz se mantiene alineado a la izquierda */
.feedback-box p {
  text-align: left;
  max-width: none;
  hyphens: none;
}

/* Dialogue text: alineado a la izquierda (es diálogo, no narrativa) */
.dialogue-text {
  text-align: left;
  hyphens: none;
}

/* Tipografía italian: cuando hay justify + cuerpo largo conviene aumentar word-spacing apenas */
.screen-body p, .card-content p, .scenario-intro-card p,
.tab-panel, .accordion-content-inner, .hotspot-content {
  word-spacing: 0.02em;
}

/* (regla .left obsoleta de v5.1 también removida) */

/* Mobile: en pantallas < 700px desactivar justify (texto justificado en columnas estrechas se ve mal) */
@media (max-width: 700px) {
  .screen-body p,
  .card-content p,
  .scenario-intro-card p,
  .scenario-result p,
  .scenario-convergent p,
  .tab-panel,
  .accordion-content-inner,
  .hotspot-content,
  .aacrom-list li > span,
  .card-content p {
    text-align: left;
    hyphens: none;
    word-spacing: normal;
  }
}

/* ============================================
   v5.2 · EXAMPLE LESSON (caja de lección dentro de tab/accordion)
   ============================================ */
.example-lesson {
  margin-top: var(--sp-5);
  padding: var(--sp-4) var(--sp-5);
  background: var(--aacrom-bg-warm);
  border-left: 4px solid var(--aacrom-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--aacrom-text);
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
  -webkit-hyphens: auto;
}
.example-lesson strong {
  color: var(--aacrom-accent-deep);
  font-family: var(--font-display);
  font-size: 17px;
  display: inline-block;
  margin-bottom: var(--sp-2);
}
.example-lesson em {
  color: var(--aacrom-primary);
  font-style: italic;
}
body.dark-mode .example-lesson {
  background: rgba(201, 162, 39, 0.08);
}
body.dark-mode .example-lesson strong {
  color: var(--aacrom-accent-light);
}
body.dark-mode .example-lesson em {
  color: var(--aacrom-accent-light);
}
@media (max-width: 700px) {
  .example-lesson {
    text-align: left;
    hyphens: none;
  }
}

/* ============================================
   v5.2 · TABS CONCLUSION (párrafo de cierre después de los tabs)
   ============================================ */
.tabs-conclusion {
  margin: var(--sp-7) auto var(--sp-5);
  padding: var(--sp-5) var(--sp-6);
  max-width: 820px;
  background: linear-gradient(135deg, var(--aacrom-primary) 0%, var(--aacrom-primary-deep) 100%);
  color: white;
  border-radius: var(--radius-lg);
  font-size: 17px;
  line-height: 1.75;
  font-family: var(--font-body);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.tabs-conclusion::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, var(--aacrom-accent) 0%, transparent 70%);
  opacity: 0.18;
  pointer-events: none;
}
.tabs-conclusion strong {
  color: var(--aacrom-accent-light);
  font-family: var(--font-display);
  font-style: italic;
}
body.dark-mode .tabs-conclusion {
  background: linear-gradient(135deg, #1A2540 0%, #0A1224 100%);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
@media (max-width: 700px) {
  .tabs-conclusion { padding: var(--sp-4) var(--sp-5); font-size: 16px; }
}

/* ============================================
   v5.2 · NAVLOCK (SCORM bloqueado vs vista previa libre)
   ============================================ */

/* Módulos bloqueados en sidebar (solo se ven en SCORM real) */
.module-item.locked {
  opacity: 0.5;
  cursor: not-allowed;
  position: relative;
}
.module-item.locked::after {
  content: '🔒';
  position: absolute;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  opacity: 0.7;
}
.module-item.locked:hover {
  background: rgba(255,255,255,0.03);
  color: rgba(255,255,255,0.6);
}

/* Botón "Continuar" deshabilitado por actividad incompleta */
.nav-btn.primary:disabled[title] {
  opacity: 0.4;
  cursor: not-allowed;
  background: linear-gradient(135deg, var(--neutral-500) 0%, var(--neutral-700) 100%);
}

/* Toast de mensaje cuando se intenta navegar a un módulo bloqueado */
#navlock-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--neutral-900);
  color: white;
  padding: 14px 24px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-2xl);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--font-body);
  letter-spacing: 0.01em;
}
#navlock-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============================================
   v5.3 · SCENES GALLERY (Decision Scenario)
   ============================================ */
.scenes-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  margin: var(--sp-6) 0;
}
.scene-item {
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  margin: 0;
}
.scene-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.scene-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  filter: grayscale(0.15) contrast(1.05);
  transition: filter var(--transition);
}
.scene-item:hover img {
  filter: grayscale(0) contrast(1.05);
}
.scene-item figcaption {
  padding: var(--sp-4) var(--sp-4);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.55;
  color: var(--aacrom-text-muted);
  font-style: italic;
  text-align: center;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}
body.dark-mode .scene-item {
  background: #1E293B;
}
body.dark-mode .scene-item figcaption {
  color: #94A3B8;
}
@media (max-width: 700px) {
  .scenes-gallery { grid-template-columns: 1fr; gap: var(--sp-3); }
  .scene-item img { height: 200px; }
}