/* ===========================================================================
   Hackathon Growketing — Sitio participantes
   Tokens y componentes compartidos. Continuación estética de hackathon-recursos.
   =========================================================================== */

:root {
  --bg: #0a0e17;
  --surface: #111827;
  --surface-hover: #1a2332;
  --border: #1e293b;
  --border-strong: #334155;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent: #22c55e;
  --accent-dim: rgba(34, 197, 94, 0.12);
  --green: #34d399;
  --green-dim: rgba(52, 211, 153, 0.12);
  --orange: #fb923c;
  --orange-dim: rgba(251, 146, 60, 0.12);
  --pink: #f472b6;
  --pink-dim: rgba(244, 114, 182, 0.12);
  --purple: #a78bfa;
  --purple-dim: rgba(167, 139, 250, 0.12);
  --yellow: #fbbf24;
  --yellow-dim: rgba(251, 191, 36, 0.12);
  --red: #f87171;
  --red-dim: rgba(248, 113, 113, 0.12);
  --blue: #60a5fa;
  --blue-dim: rgba(96, 165, 250, 0.12);
  --cyan: #22d3ee;
  --cyan-dim: rgba(34, 211, 238, 0.12);
  --teal: #14b8a6;
  --teal-dim: rgba(20, 184, 166, 0.12);

  --radius: 10px;
  --radius-lg: 14px;
  --container: 900px;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-color: var(--border-strong) var(--bg);
  scrollbar-width: thin;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre, .mono {
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

/* Scrollbar custom (WebKit) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 5px;
  border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* Focus accesible: outline accent sólo al navegar por teclado */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Header con progreso (sticky)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.site-header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}

.site-header-brand a { color: inherit; text-decoration: none; }
.site-header-brand .brand-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(34, 197, 94, 0.2);
  padding: 3px 10px;
  border-radius: 20px;
}

.site-header-progress {
  flex: 1;
  min-width: 220px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.progress-bar {
  flex: 1;
  display: flex;
  gap: 4px;
  height: 8px;
}

.progress-segment {
  flex: 1;
  background: var(--border);
  border-radius: 3px;
  transition: background 0.25s ease;
  position: relative;
}

/* Color propio de cada bloque — se aplica a partial/done/current del segmento */
.progress-segment[data-phase="0"] { --phase: var(--yellow); }
.progress-segment[data-phase="1"] { --phase: var(--accent); }
.progress-segment[data-phase="2"] { --phase: var(--teal); }
.progress-segment[data-phase="3"] { --phase: var(--orange); }
.progress-segment[data-phase="4"] { --phase: var(--purple); }
.progress-segment[data-phase="5"] { --phase: var(--pink); }
.progress-segment[data-phase="6"] { --phase: var(--red); }
.progress-segment[data-phase="7"] { --phase: var(--cyan); }
.progress-segment[data-phase="8"] { --phase: var(--blue); }

.progress-segment[data-state="partial"] { background: color-mix(in srgb, var(--phase) 45%, var(--border)); }
.progress-segment[data-state="done"]    { background: var(--phase); }
.progress-segment[data-state="current"] {
  background: var(--phase);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--phase) 35%, transparent);
}

.progress-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Hero (landing y bloques)
   -------------------------------------------------------------------------- */
.hero {
  padding: 60px 40px 40px;
  text-align: center;
  background:
    linear-gradient(rgba(226, 232, 240, 0.028) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, rgba(226, 232, 240, 0.028) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(180deg, #0f1729 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(34, 197, 94, 0.18) 0%, transparent 65%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(34, 197, 94, 0.2);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  position: relative;
}

.hero h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 12px;
  position: relative;
}

/* Landing (hero sin data-phase) tiene h1 más grande */
.hero:not([data-phase]) h1 {
  font-size: clamp(42px, 6vw, 60px);
  line-height: 1.05;
  letter-spacing: -2.5px;
  margin-bottom: 16px;
}

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

.hero p {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 580px;
  margin: 0 auto;
  position: relative;
}

.hero-meta {
  margin-top: 20px;
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
}

.hero-meta strong { color: var(--text); font-weight: 700; }

/* Hero tintado por bloque */
.hero[data-phase="0"] .hero-badge,
.hero[data-phase="0"] h1 span { color: var(--yellow); }
.hero[data-phase="0"] .hero-badge { background: var(--yellow-dim); border-color: rgba(251,191,36,0.2); }
.hero[data-phase="0"]::before { background: radial-gradient(ellipse, rgba(251,191,36,0.18) 0%, transparent 70%); }

.hero[data-phase="1"] .hero-badge,
.hero[data-phase="1"] h1 span { color: var(--accent); }
.hero[data-phase="1"] .hero-badge { background: var(--accent-dim); }

.hero[data-phase="2"] .hero-badge,
.hero[data-phase="2"] h1 span { color: var(--teal); }
.hero[data-phase="2"] .hero-badge { background: var(--teal-dim); border-color: rgba(20,184,166,0.2); }
.hero[data-phase="2"]::before { background: radial-gradient(ellipse, rgba(20,184,166,0.18) 0%, transparent 70%); }

.hero[data-phase="3"] .hero-badge,
.hero[data-phase="3"] h1 span { color: var(--orange); }
.hero[data-phase="3"] .hero-badge { background: var(--orange-dim); border-color: rgba(251,146,60,0.2); }
.hero[data-phase="3"]::before { background: radial-gradient(ellipse, rgba(251,146,60,0.18) 0%, transparent 70%); }

.hero[data-phase="4"] .hero-badge,
.hero[data-phase="4"] h1 span { color: var(--purple); }
.hero[data-phase="4"] .hero-badge { background: var(--purple-dim); border-color: rgba(167,139,250,0.2); }
.hero[data-phase="4"]::before { background: radial-gradient(ellipse, rgba(167,139,250,0.18) 0%, transparent 70%); }

.hero[data-phase="5"] .hero-badge,
.hero[data-phase="5"] h1 span { color: var(--pink); }
.hero[data-phase="5"] .hero-badge { background: var(--pink-dim); border-color: rgba(244,114,182,0.2); }
.hero[data-phase="5"]::before { background: radial-gradient(ellipse, rgba(244,114,182,0.18) 0%, transparent 70%); }

.hero[data-phase="6"] .hero-badge,
.hero[data-phase="6"] h1 span { color: var(--red); }
.hero[data-phase="6"] .hero-badge { background: var(--red-dim); border-color: rgba(248,113,113,0.2); }
.hero[data-phase="6"]::before { background: radial-gradient(ellipse, rgba(248,113,113,0.18) 0%, transparent 70%); }

.hero[data-phase="7"] .hero-badge,
.hero[data-phase="7"] h1 span { color: var(--cyan); }
.hero[data-phase="7"] .hero-badge { background: var(--cyan-dim); border-color: rgba(34,211,238,0.2); }
.hero[data-phase="7"]::before { background: radial-gradient(ellipse, rgba(34,211,238,0.18) 0%, transparent 70%); }

.hero[data-phase="8"] .hero-badge,
.hero[data-phase="8"] h1 span { color: var(--blue); }
.hero[data-phase="8"] .hero-badge { background: var(--blue-dim); border-color: rgba(96,165,250,0.2); }
.hero[data-phase="8"]::before { background: radial-gradient(ellipse, rgba(96,165,250,0.18) 0%, transparent 70%); }

/* --------------------------------------------------------------------------
   Container y layout general
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

/* --------------------------------------------------------------------------
   Landing: banner "continuar donde dejaste"
   -------------------------------------------------------------------------- */
.continue-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  margin-bottom: 32px;
  background: var(--accent-dim);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
}

.continue-banner[data-show="true"] { display: flex; }

.continue-banner-text { flex: 1; }
.continue-banner-text strong { color: var(--accent); font-weight: 600; }

.continue-banner-btn {
  background: var(--accent);
  color: var(--bg);
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
}

.continue-banner-btn:hover { text-decoration: none; opacity: 0.9; }

.continue-banner-dismiss {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
}
.continue-banner-dismiss:hover { color: var(--text); }

/* --------------------------------------------------------------------------
   Landing: grid de tramos
   -------------------------------------------------------------------------- */
.tracks-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.tracks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
  margin-bottom: 40px;
}

.track-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  text-decoration: none;
  color: var(--text);
  transition: background 0.2s, border-color 0.2s, transform 0.15s, opacity 0.2s;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.track-card:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  transform: translateY(-1px);
  text-decoration: none;
}

.track-card-head {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 8px;
}

.track-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 40px;
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -2px;
  flex-shrink: 0;
  transition: text-shadow 0.25s;
}

.track-kind {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  padding-bottom: 3px;
}

.track-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-left: auto;
  padding-bottom: 3px;
}

.track-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.2px;
  line-height: 1.3;
}

.track-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.track-status {
  margin-top: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}

.track-status[data-state="partial"] { color: var(--yellow); }
.track-status[data-state="done"] { color: var(--green); }
.track-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Estado done/partial tintado en el card (via :has — Safari 15.4+, Chrome 105+, Firefox 121+) */
.track-card:has(.track-status[data-state="done"]) {
  opacity: 0.72;
  border-color: rgba(52, 211, 153, 0.28);
}
.track-card:has(.track-status[data-state="done"]):hover { opacity: 1; }

.track-card:has(.track-status[data-state="partial"]) {
  border-color: rgba(251, 191, 36, 0.25);
}

/* Color por bloque: número grande sin background, puro color tintado */
.track-card[data-phase="0"] .track-number { color: var(--yellow); }
.track-card[data-phase="1"] .track-number { color: var(--accent); }
.track-card[data-phase="2"] .track-number { color: var(--teal); }
.track-card[data-phase="3"] .track-number { color: var(--orange); }
.track-card[data-phase="4"] .track-number { color: var(--purple); }
.track-card[data-phase="5"] .track-number { color: var(--pink); }
.track-card[data-phase="6"] .track-number { color: var(--red); }
.track-card[data-phase="7"] .track-number { color: var(--cyan); }
.track-card[data-phase="8"] .track-number { color: var(--blue); }
.track-card[data-phase="9"] .track-number { color: var(--accent); }

/* Glow sutil en el número al hacer hover del card */
.track-card[data-phase="0"]:hover .track-number { text-shadow: 0 0 28px rgba(251, 191, 36, 0.45); }
.track-card[data-phase="1"]:hover .track-number { text-shadow: 0 0 28px rgba(34, 197, 94, 0.45); }
.track-card[data-phase="2"]:hover .track-number { text-shadow: 0 0 28px rgba(20, 184, 166, 0.45); }
.track-card[data-phase="3"]:hover .track-number { text-shadow: 0 0 28px rgba(251, 146, 60, 0.45); }
.track-card[data-phase="4"]:hover .track-number { text-shadow: 0 0 28px rgba(167, 139, 250, 0.45); }
.track-card[data-phase="5"]:hover .track-number { text-shadow: 0 0 28px rgba(244, 114, 182, 0.45); }
.track-card[data-phase="6"]:hover .track-number { text-shadow: 0 0 28px rgba(248, 113, 113, 0.45); }
.track-card[data-phase="7"]:hover .track-number { text-shadow: 0 0 28px rgba(34, 211, 238, 0.45); }
.track-card[data-phase="8"]:hover .track-number { text-shadow: 0 0 28px rgba(96, 165, 250, 0.45); }
.track-card[data-phase="9"]:hover .track-number { text-shadow: 0 0 28px rgba(34, 197, 94, 0.45); }

/* Stage headers — divisor editorial minimal (una línea: numeral tintado + nombre + regla) */
.stage-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0 16px;
}

.stage-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.stage-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.1px;
  color: var(--text);
  flex-shrink: 0;
}

.stage-rule {
  flex: 1;
  height: 1px;
  background: var(--border);
  min-width: 40px;
}

.stage-header[data-stage-color="accent"] .stage-number { color: var(--accent); }
.stage-header[data-stage-color="pink"] .stage-number { color: var(--pink); }
.stage-header[data-stage-color="blue"] .stage-number { color: var(--blue); }

/* --------------------------------------------------------------------------
   Bloque: secciones de contenido
   -------------------------------------------------------------------------- */
.section {
  margin-bottom: 44px;
}

.section-head {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-head::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.section h2 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.4px;
  margin-bottom: 14px;
  line-height: 1.25;
}

.section h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 0 10px;
  letter-spacing: -0.2px;
}

.section p { margin-bottom: 14px; color: var(--text); }
.section p + p { margin-top: -4px; }

.section ul, .section ol {
  padding-left: 24px;
  margin-bottom: 14px;
  color: var(--text);
}

.section li { margin-bottom: 6px; }

.section strong { color: var(--text); font-weight: 700; }

.section p code, .section li code {
  font-size: 0.88em;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Bloque: intro (TL;DR + índice de secciones)
   Tarjeta al inicio de cada bloque con 3-4 bullets de lo que te llevás
   y links a las secciones del bloque (anchors). Reduce la sensación de
   "choclo" y da un mapa antes de entrar al contenido largo.
   -------------------------------------------------------------------------- */
.block-intro {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 32px;
  padding: 22px 26px;
  margin-bottom: 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.block-intro--single {
  grid-template-columns: 1fr;
}

.block-intro-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.block-intro-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.block-intro-label::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.block-intro-tldr {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text);
}

.block-intro-tldr li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
}

.block-intro-tldr li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

.block-intro-tldr li:last-child { margin-bottom: 0; }
.block-intro-tldr strong { color: var(--text); font-weight: 700; }

.block-intro-tldr code {
  font-size: 0.88em;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--accent);
}

.block-intro-toc {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
}

.block-intro-toc li { margin-bottom: 2px; }
.block-intro-toc li:last-child { margin-bottom: 0; }

.block-intro-toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 8px;
  margin: 0 -8px;
  border-radius: 6px;
  color: var(--text-muted);
  text-decoration: none;
  transition: background 0.12s ease, color 0.12s ease;
}

.block-intro-toc a:hover,
.block-intro-toc a:focus-visible {
  background: var(--surface-hover);
  color: var(--text);
  text-decoration: none;
}

.block-intro-toc-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  min-width: 20px;
  font-weight: 600;
}

.block-intro-toc a:hover .block-intro-toc-num,
.block-intro-toc a:focus-visible .block-intro-toc-num {
  color: var(--accent);
}

/* Scroll margin para que el anchor no quede pegado al header sticky */
.section[id] { scroll-margin-top: 72px; }

@media (max-width: 720px) {
  .block-intro {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 20px 20px;
  }
}

/* --------------------------------------------------------------------------
   Snippet copiable
   -------------------------------------------------------------------------- */
.snippet {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 16px 0 20px;
  overflow: hidden;
}

.snippet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.snippet-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.copy-btn {
  position: relative;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  min-width: 92px;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  overflow: hidden;
}

.copy-btn:hover { color: var(--text); border-color: var(--border-strong); }

/* Overlay con "COPIADO ✓" que entra por abajo al copiar */
.copy-btn::after {
  content: 'COPIADO ✓';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1a2e24;
  color: var(--green);
  letter-spacing: 0.5px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  pointer-events: none;
  border-radius: inherit;
}

.copy-btn[data-copied="true"] {
  color: var(--green);
  border-color: rgba(52, 211, 153, 0.4);
}

.copy-btn[data-copied="true"]::after {
  opacity: 1;
  transform: translateY(0);
}

.snippet pre {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text);
}

.snippet pre code { color: inherit; background: transparent; border: none; padding: 0; }

/* --------------------------------------------------------------------------
   Tablas dentro de .section
   -------------------------------------------------------------------------- */
.section table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 14px;
}

.section table th,
.section table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.section table th {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
}

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

.section table td code {
  font-size: 0.88em;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Video embed
   -------------------------------------------------------------------------- */
.video-list { display: flex; flex-direction: column; gap: 22px; }

.video {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-meta { padding: 14px 16px; }

.video-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.video-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Checklist doble: Hecho / Me lo llevo
   -------------------------------------------------------------------------- */
.checklist-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 18px;
}

.checklist {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.checklist-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.3px;
  margin-bottom: 14px;
}

.checklist-head .checklist-icon {
  font-size: 14px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}

.checklist[data-kind="action"] .checklist-icon { background: var(--green-dim); color: var(--green); }
.checklist[data-kind="highlight"] .checklist-icon { background: var(--purple-dim); color: var(--purple); }

.checklist-count {
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
}

.checklist-items { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.5;
  cursor: pointer;
  padding: 6px 8px;
  margin: -6px -8px;
  border-radius: 6px;
  transition: background 0.12s;
}

.checklist-item:hover { background: rgba(255, 255, 255, 0.02); }

.checklist-item input {
  margin: 3px 0 0;
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  flex-shrink: 0;
  cursor: pointer;
}

.checklist-item span { flex: 1; color: var(--text); }
.checklist-item input:checked + span { color: var(--text-muted); text-decoration: line-through; text-decoration-color: var(--text-dim); }

/* --------------------------------------------------------------------------
   Referencias (links externos)
   -------------------------------------------------------------------------- */
.ref-list { display: flex; flex-direction: column; gap: 10px; }

.ref {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  text-decoration: none;
  color: var(--text);
  transition: background 0.18s, border-color 0.18s;
}

.ref:hover { background: var(--surface-hover); border-color: var(--border-strong); text-decoration: none; }

.ref-kind {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 2px;
}

.ref-kind[data-kind="doc"] { background: var(--green-dim); color: var(--green); }
.ref-kind[data-kind="video"] { background: var(--red-dim); color: var(--red); }
.ref-kind[data-kind="interactive"] { background: var(--pink-dim); color: var(--pink); }
.ref-kind[data-kind="tool"] { background: var(--purple-dim); color: var(--purple); }

.ref-body { flex: 1; min-width: 0; }
.ref-title { font-weight: 600; font-size: 14px; margin-bottom: 2px; }
.ref-meta { font-size: 12px; color: var(--text-muted); }

/* --------------------------------------------------------------------------
   Tablas de datos (scrollean horizontal en mobile con fade a la derecha)
   -------------------------------------------------------------------------- */
.table-scroll {
  overflow-x: auto;
  margin: 16px 0 20px;
  -webkit-overflow-scrolling: touch;
  /* Fade a la derecha sugiere más contenido; se desactiva si no hace falta scroll */
  mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 24px), transparent 100%);
  -webkit-mask-image: linear-gradient(to right, #000 0, #000 calc(100% - 24px), transparent 100%);
}

/* Tabla directa dentro del wrapper: heredar estilos pero sin margin propio */
.table-scroll > table {
  margin: 0;
  min-width: 640px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: var(--surface);
}

.data-table th,
.data-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.data-table th {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
}

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

.data-table code {
  font-size: 0.88em;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Callout (nota destacada dentro de una sección)
   -------------------------------------------------------------------------- */
.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 18px 0;
}

.callout[data-tone="warn"] { border-left-color: var(--yellow); }
.callout[data-tone="danger"] { border-left-color: var(--red); }
.callout[data-tone="info"] { border-left-color: var(--purple); }

.callout p { margin-bottom: 8px; color: var(--text); }
.callout p:last-child { margin-bottom: 0; }

.callout code {
  font-size: 0.88em;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   Loop diagram — stack creciente anotado (bloque-5)
   Muestra cómo el contexto crece y se reenvía entero al LLM en cada turno.
   -------------------------------------------------------------------------- */
.loop-diagram {
  margin: 24px 0 12px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.loop-turn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.loop-turn[data-turn="1"] { border-left: 3px solid var(--text-dim); }
.loop-turn[data-turn="2"] { border-left: 3px solid var(--pink); }
.loop-turn[data-turn="3"] { border-left: 3px solid var(--pink); box-shadow: 0 0 0 1px rgba(244,114,182,0.12); }

.loop-turn-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.5px;
}

.loop-turn-label {
  font-weight: 600;
  color: var(--text);
  text-transform: none;
}

.loop-turn-size {
  color: var(--text-dim);
  font-size: 10px;
  white-space: nowrap;
}

.loop-messages {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.loop-messages li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px dashed var(--border);
  align-items: start;
  font-size: 13px;
  line-height: 1.5;
}

.loop-messages li:last-child { border-bottom: none; }

.loop-messages li[data-stale="true"] {
  opacity: 0.45;
  font-style: italic;
}

.loop-messages li[data-new="true"] {
  background: rgba(244, 114, 182, 0.04);
}

.loop-messages li[data-final="true"] {
  background: rgba(52, 211, 153, 0.06);
  border-top: 1px solid rgba(52, 211, 153, 0.2);
}

.loop-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
  text-align: center;
  align-self: start;
  white-space: nowrap;
}

.loop-messages li[data-role="system"] .loop-role {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-muted);
}

.loop-messages li[data-role="user"] .loop-role {
  background: var(--accent-dim);
  color: var(--accent);
}

.loop-messages li[data-role="llm"] .loop-role {
  background: var(--pink-dim);
  color: var(--pink);
}

.loop-messages li[data-role="tool"] .loop-role {
  background: var(--orange-dim);
  color: var(--orange);
}

.loop-messages li[data-final="true"] .loop-role {
  background: rgba(52, 211, 153, 0.18);
  color: var(--green);
}

.loop-content {
  color: var(--text);
  word-break: break-word;
}

.loop-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--text);
  white-space: pre-wrap;
}

.loop-gap {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 14px 10px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  border-left: 2px dashed var(--border-strong);
  margin-left: 20px;
}

.loop-gap-line strong { color: var(--text); font-weight: 700; }
.loop-gap-line em { color: var(--pink); font-style: normal; font-weight: 600; }
.loop-gap-llm { color: var(--text); }

.loop-done {
  margin-top: 12px;
  padding: 10px 14px;
  background: rgba(52, 211, 153, 0.06);
  border: 1px solid rgba(52, 211, 153, 0.25);
  border-radius: var(--radius);
  color: var(--green);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-align: center;
}

.loop-diagram-caption {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  margin-bottom: 18px;
  font-style: italic;
}

@media (max-width: 560px) {
  .loop-messages li {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .loop-role { justify-self: start; }
}

/* --------------------------------------------------------------------------
   Navegación prev/next al pie del bloque
   -------------------------------------------------------------------------- */
.page-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 52px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.page-nav-link {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  text-decoration: none;
  color: var(--text);
  transition: background 0.18s, border-color 0.18s;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-nav-link:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  text-decoration: none;
}

.page-nav-dir {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 1px;
}

.page-nav-title { font-size: 15px; font-weight: 600; }

.page-nav-link[data-dir="next"] { text-align: right; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  text-align: center;
  padding: 36px 24px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
}

.site-footer span { color: var(--accent); font-weight: 600; }

.site-footer-logo {
  display: block;
  margin: 0 auto 18px;
  height: 26px;
  width: auto;
  opacity: 0.55;
  transition: opacity 0.2s;
}
.site-footer:hover .site-footer-logo { opacity: 0.85; }

/* --------------------------------------------------------------------------
   Sesión · saludo + menú ⋯ en header
   -------------------------------------------------------------------------- */
.site-greeting {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.2;
}

/* --------------------------------------------------------------------------
   Para pensar (sección de preguntas introspectivas)
   Distintiva vía noise SVG + tipografía de lectura pausada + watermark "?".
   -------------------------------------------------------------------------- */
.section.ponder {
  position: relative;
  background:
    url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='2' stitchTiles='stitch' seed='7'/%3E%3CfeColorMatrix values='0 0 0 0 0.984 0 0 0 0 0.749 0 0 0 0 0.141 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.32'/%3E%3C/svg%3E"),
    linear-gradient(180deg, rgba(251, 191, 36, 0.08) 0%, rgba(251, 191, 36, 0.02) 100%),
    var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--yellow);
  border-radius: var(--radius);
  padding: 32px 30px 28px;
  margin-bottom: 44px;
  overflow: hidden;
}

.section.ponder::before {
  content: '?';
  position: absolute;
  top: 10px;
  right: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 80px;
  font-weight: 700;
  line-height: 1;
  color: var(--yellow);
  opacity: 0.14;
  pointer-events: none;
  user-select: none;
}

.section.ponder .section-head {
  color: var(--yellow);
  position: relative;
}
.section.ponder .section-head::before {
  background: var(--yellow);
}

.section.ponder h2 {
  margin-bottom: 10px;
  position: relative;
}

.section.ponder > p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 20px;
  position: relative;
}

.ponder-list {
  list-style: none;
  counter-reset: ponder;
  padding: 0;
  margin: 0;
}

.ponder-list li {
  counter-increment: ponder;
  position: relative;
  padding: 18px 20px 18px 58px;
  margin-bottom: 12px;
  background: rgba(10, 14, 23, 0.6);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 17px;
  line-height: 1.75;
}

.ponder-list li::before {
  top: 18px;
}

.ponder-list li:last-child {
  margin-bottom: 0;
}

.ponder-list li::before {
  content: counter(ponder);
  position: absolute;
  left: 14px;
  top: 13px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--yellow-dim);
  color: var(--yellow);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ponder-list li code {
  font-size: 0.88em;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--yellow);
}

.ponder-list li em {
  color: var(--text);
  font-style: italic;
}

.site-greeting strong { color: var(--text); font-weight: 600; }

.site-greeting-elapsed {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.3px;
}

.header-menu {
  position: relative;
  display: flex;
  align-items: center;
}

.header-menu-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 18px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.header-menu-btn:hover { color: var(--text); border-color: var(--border-strong); }

.header-menu-popover {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 200px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 6px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  z-index: 100;
}

.header-menu[data-open="true"] .header-menu-popover { display: block; }

.header-menu-popover button {
  display: block;
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 13px;
  text-align: left;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}

.header-menu-popover button:hover { background: var(--surface-hover); }

/* --------------------------------------------------------------------------
   Sesión · landing sin sesión (CTA central)
   -------------------------------------------------------------------------- */
.session-cta {
  text-align: center;
  padding: 20px 0 60px;
}

.session-cta-btn {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s, opacity 0.12s;
  font-family: inherit;
}

.session-cta-btn:hover { transform: translateY(-1px); opacity: 0.95; text-decoration: none; }

.session-cta-hint {
  display: block;
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 13px;
}

/* --------------------------------------------------------------------------
   Sesión · gate screen (bloques sin sesión)
   -------------------------------------------------------------------------- */
.gate-screen {
  text-align: center;
  padding: 40px 20px 60px;
  max-width: 480px;
  margin: 0 auto;
}

.gate-screen h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
  letter-spacing: -0.3px;
}

.gate-screen p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 22px;
}

.gate-screen .session-cta-btn { text-decoration: none; }

/* --------------------------------------------------------------------------
   Sesión · modal (onboarding + reset)
   -------------------------------------------------------------------------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 14, 0.78);
  backdrop-filter: blur(6px);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow-y: auto;
}

.modal-overlay[data-open="true"] { display: flex; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 28px 28px 24px;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  color: var(--text);
}

.modal-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.modal h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.modal-desc {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 22px;
  line-height: 1.5;
}

.form-field { margin-bottom: 16px; }

.form-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

.form-field label .req { color: var(--red); }

.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="password"] {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  transition: border-color 0.15s;
}

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

.form-field[data-error="true"] input {
  border-color: var(--red);
}

.form-field .field-hint {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-dim);
}

.form-field .field-error {
  display: none;
  margin-top: 6px;
  font-size: 12px;
  color: var(--red);
}

.form-field[data-error="true"] .field-error { display: block; }

.input-password-wrap {
  position: relative;
}

.input-password-wrap input { padding-right: 42px; }

.input-password-toggle {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 15px;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  cursor: pointer;
  line-height: 1;
}

.input-password-toggle:hover { color: var(--text); background: rgba(255,255,255,0.04); }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

.btn {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.12s;
  background: var(--surface);
  color: var(--text);
}

.btn:hover { background: var(--surface-hover); border-color: var(--border-strong); }

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.btn-primary:hover { background: var(--accent); border-color: var(--accent); opacity: 0.92; }

.btn-primary:disabled,
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-danger {
  background: var(--red);
  color: #0a0e17;
  border-color: var(--red);
}

.btn-danger:hover { opacity: 0.92; background: var(--red); border-color: var(--red); }

.modal-bullet-list {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
}

.modal-bullet-list li {
  font-size: 13px;
  color: var(--text-muted);
  padding: 4px 0 4px 18px;
  position: relative;
}

.modal-bullet-list li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--text-dim);
}

/* --------------------------------------------------------------------------
   Onboarding · modal de 2 pasos (header + checklist del Paso 2)
   -------------------------------------------------------------------------- */
.modal-onboarding .modal-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.modal-onboarding .modal-kicker { margin-bottom: 0; }

.modal-step-indicator {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
}

.pre-checklist {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 4px 0 14px;
}

.pre-check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}

.pre-check-item:hover { border-color: var(--border-strong); }

.pre-check-item[data-checked="true"] {
  border-color: var(--accent);
  background: rgba(255,255,255,0.02);
}

.pre-check-item input[type="checkbox"] {
  margin-top: 3px;
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.pre-check-label {
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-muted);
}

.pre-check-item[data-checked="true"] .pre-check-label { color: var(--text); }

.pre-checklist-link {
  display: inline-block;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.pre-checklist-link:hover { text-decoration: underline; }

.pre-checklist-link[hidden] { display: none; }

/* --------------------------------------------------------------------------
   Storage-bloqueado warning (modo privado raro)
   -------------------------------------------------------------------------- */
.storage-warning {
  display: none;
  max-width: var(--container);
  margin: 0 auto;
  padding: 8px 24px;
  font-size: 12px;
  color: var(--yellow);
  text-align: center;
  border-top: 1px solid var(--border);
}

.storage-warning[data-show="true"] { display: block; }

/* --------------------------------------------------------------------------
   Finalización oficial · sección en /cierre/ (SPEC § 11)
   -------------------------------------------------------------------------- */
.final-section {
  margin-top: 30px;
  padding: 28px 28px 26px;
  background: linear-gradient(135deg, rgba(34,197,94,0.08), rgba(34,197,94,0.02));
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: var(--radius-lg);
}

.final-section .section-head { color: var(--accent); }
.final-section h2 { margin-bottom: 10px; }

.final-section > p {
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.55;
}

.final-bloques {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
  padding: 14px 12px;
  background: rgba(0,0,0,0.18);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.final-bloque-dot {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 6px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.5px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.12s, background 0.12s, transform 0.12s;
}

.final-bloque-dot:hover { border-color: var(--border-strong); transform: translateY(-1px); }

.final-bloque-dot-circle {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-strong);
  flex-shrink: 0;
}

.final-bloque-dot[data-state="done"] .final-bloque-dot-circle { background: var(--accent); box-shadow: 0 0 8px rgba(34,197,94,0.6); }
.final-bloque-dot[data-state="partial"] .final-bloque-dot-circle { background: var(--yellow); }
.final-bloque-dot[data-state="pending"] .final-bloque-dot-circle { background: var(--border-strong); }
.final-bloque-dot[data-state="done"] .final-bloque-dot-num { color: var(--text); }
.final-bloque-dot[data-state="partial"] .final-bloque-dot-num { color: var(--text-muted); }
.final-bloque-dot[data-state="pending"] .final-bloque-dot-num { color: var(--text-dim); }

.final-hint {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 14px;
  line-height: 1.5;
}

.final-hint-ready {
  color: var(--accent);
  font-weight: 600;
}

.final-missing-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.final-missing-chip {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  text-decoration: none;
  transition: border-color 0.12s, color 0.12s;
}

.final-missing-chip:hover { border-color: var(--yellow); color: var(--text); }

.final-actions {
  display: flex;
  justify-content: flex-start;
  gap: 10px;
  margin-top: 4px;
}

.btn-final {
  font-size: 14px;
  padding: 12px 22px;
  letter-spacing: 0.2px;
}

.final-status-finalized {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(34,197,94,0.35);
  border-radius: 10px;
  margin-bottom: 16px;
}

.final-status-check {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  font-size: 18px;
}

.final-status-finalized strong {
  display: block;
  color: var(--text);
  font-size: 15px;
  margin-bottom: 2px;
}

.final-status-when {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

/* --------------------------------------------------------------------------
   Finalización · modal + tarjeta preview del certificado
   -------------------------------------------------------------------------- */
.modal-final {
  max-width: 520px;
  text-align: left;
}

.modal-actions-split {
  justify-content: space-between;
}

.certificate-card {
  margin: 18px 0 22px;
  padding: 22px 20px;
  background: linear-gradient(135deg, #0d1624 0%, #111b2d 100%);
  border: 1px solid rgba(34,197,94,0.4);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.certificate-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(34,197,94,0.15), transparent 60%);
  pointer-events: none;
}

.certificate-card-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}

.certificate-card-sublabel {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.certificate-card-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
  margin-bottom: 6px;
}

.certificate-card-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Certificado imprimible · pantalla completa en print, oculto en screen
   -------------------------------------------------------------------------- */
.certificate-print {
  display: none;
}

@media print {
  @page { size: A4 landscape; margin: 0; }

  body > *:not(.certificate-print) { display: none !important; }

  .certificate-print {
    display: block !important;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background: #ffffff;
    color: #0a0e17;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .certificate-frame {
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    padding: 48px 64px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 12px solid #22c55e;
  }

  .certificate-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #22c55e;
    font-weight: 700;
  }

  .certificate-body {
    text-align: center;
    margin: 0 auto;
    max-width: 720px;
  }

  .certificate-kicker {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 14px;
  }

  .certificate-name {
    font-family: 'DM Sans', sans-serif;
    font-size: 54pt;
    font-weight: 700;
    letter-spacing: -1px;
    color: #0a0e17;
    line-height: 1.05;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 2px solid #22c55e;
  }

  .certificate-blurb {
    font-family: 'DM Sans', sans-serif;
    font-size: 18pt;
    line-height: 1.4;
    color: #1e293b;
    margin-bottom: 28px;
  }

  .certificate-blurb em {
    font-style: italic;
    color: #22c55e;
    font-weight: 600;
  }

  .certificate-level {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }

  .certificate-level-badge {
    display: inline-block;
    padding: 8px 18px;
    background: rgba(34,197,94,0.15);
    border: 1.5px solid #22c55e;
    border-radius: 999px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12pt;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #16a34a;
  }

  .certificate-level-sub {
    font-size: 11pt;
    color: #64748b;
    font-style: italic;
  }

  .certificate-footer {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding-top: 18px;
    border-top: 1px solid #e2e8f0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9pt;
    color: #334155;
  }

  .certificate-footer-col {
    display: flex;
    flex-direction: column;
    gap: 3px;
  }

  .certificate-footer-col-right { text-align: right; }

  .certificate-footer-label {
    font-size: 8pt;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #94a3b8;
  }
}

/* --------------------------------------------------------------------------
   Shortcuts (SPEC § 12) — modal, kbd, indicador de prefijo, hint del footer
   -------------------------------------------------------------------------- */
kbd {
  display: inline-block;
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 3px 6px 4px;
  min-width: 22px;
  text-align: center;
  vertical-align: baseline;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
}

.modal-shortcuts {
  max-width: 560px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: all 0.15s ease;
}
.modal-close:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
  color: var(--text);
}

.shortcuts-group {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.shortcuts-group:first-of-type { border-top: 0; padding-top: 4px; }

.shortcuts-group-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.shortcuts-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 14px;
  align-items: center;
  padding: 6px 0;
}

.shortcuts-keys {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  color: var(--text-dim);
  font-size: 12px;
}

.shortcuts-desc {
  color: var(--text);
  font-size: 14px;
}

.shortcuts-footnote {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-dim);
}
.shortcuts-footnote kbd { font-size: 10px; padding: 2px 5px 3px; min-width: 18px; }

/* Indicador flotante cuando el prefijo `g` está armado */
.shortcut-prefix-indicator {
  position: fixed;
  bottom: 18px;
  right: 18px;
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 180;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  animation: shortcut-prefix-fade 0.12s ease-out;
}
.shortcut-prefix-indicator[hidden] { display: none; }
.shortcut-prefix-indicator kbd { font-size: 11px; padding: 2px 5px 3px; min-width: 18px; }
.shortcut-prefix-hint { color: var(--text-dim); }

@keyframes shortcut-prefix-fade {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Hint en el footer */
.footer-shortcuts-hint {
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}
.footer-shortcuts-hint kbd {
  font-size: 10px;
  padding: 2px 5px 3px;
  min-width: 18px;
}

/* Refuerzo de focus visible sobre los checkboxes (defensa contra navegadores
   que dibujan un chrome propio que podría tapar el outline accent global) */
.checklist-item input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
  box-shadow: 0 0 0 4px var(--accent-dim);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 720px) {
  .hero { padding: 40px 20px 30px; }
  .hero h1 { font-size: 30px; }
  .container { padding: 28px 16px 60px; }
  .checklist-grid { grid-template-columns: 1fr; }
  .page-nav { grid-template-columns: 1fr; }
  .page-nav-link[data-dir="next"] { text-align: left; }
  .hero-meta { flex-direction: column; gap: 6px; }
  .site-header-progress { order: 3; width: 100%; }
  .site-greeting { display: none; }
  .modal { padding: 22px 20px 20px; }
  .final-section { padding: 22px 18px 20px; }
  .final-bloques { gap: 6px; padding: 10px 8px; }
  .final-bloque-dot { font-size: 11px; padding: 3px 8px 3px 5px; }
  .certificate-card-name { font-size: 20px; }
  .modal-actions-split { flex-direction: column-reverse; align-items: stretch; }
  .modal-actions-split .btn { width: 100%; }
  .footer-shortcuts-hint { display: none; }
  .shortcut-prefix-indicator { display: none; }
  .shortcuts-row { grid-template-columns: 110px 1fr; gap: 10px; }
}