/* slidedeck — framework de presentaciones HTML
   https://github.com/Spktro/slidedeck */

:root {
    --bg: #f5f6f9;
    --panel: #ffffff;
    --panel-2: #eef0f5;
    --border: #d9dee8;
    --text: #1b2230;
    --muted: #5a6576;
    --accent: #7c3aed;
    --accent-2: #2563eb;
    --green: #15803d;
    --red: #dc2626;
    --yellow: #b45309;
    --code-bg: #f6f8fa;
  }

  /* Modo oscuro */
  html[data-theme="dark"] {
    --bg: #0f1115;
    --panel: #161a22;
    --panel-2: #1d222c;
    --border: #2a3140;
    --text: #e6e9ef;
    --muted: #9aa3b2;
    --accent: #b08cff;
    --accent-2: #79b8ff;
    --green: #4ade80;
    --code-bg: #0f1320;
  }
  html[data-theme="dark"] pre.code { color: #d6deeb; }
  html[data-theme="dark"] pre.code .c { color: #7f8aa3; }
  html[data-theme="dark"] pre.code .k { color: #ff7b72; }
  html[data-theme="dark"] pre.code .s { color: #9ece6a; }
  html[data-theme="dark"] pre.code .t { color: #79b8ff; }
  html[data-theme="dark"] pre.code .n { color: #f2cc60; }
  html[data-theme="dark"] .filmstrip { background: rgba(22,26,34,0.95); }

  * { box-sizing: border-box; }
  html, body {
    margin: 0; padding: 0;
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
  }

  .deck {
    position: fixed; inset: 0;
    display: flex;
    align-items: safe center;
    justify-content: safe center;
    overflow: auto;
    background: var(--bg);
  }

  .slide {
    flex: 0 0 auto;
    width: 1280px; height: 720px;
    zoom: var(--fit, 1);
    padding: 56px 72px 80px 72px;
    display: none;
    flex-direction: column;
    justify-content: flex-start;
    overflow: hidden;
  }
  .slide.active { display: flex; }

  /* Selector de tamaño */
  .sizer {
    position: fixed;
    top: 14px; right: 18px;
    z-index: 20;
    display: flex; align-items: center; gap: 4px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px 6px;
    box-shadow: 0 2px 10px rgba(20,30,55,0.10);
    user-select: none;
  }
  .sizer .lbl { font-size: 11px; color: var(--muted); padding: 0 6px; letter-spacing: 0.04em; }
  .sizer button {
    font-family: inherit;
    font-size: 12px; font-weight: 700;
    border: 0; cursor: pointer;
    padding: 4px 9px;
    border-radius: 999px;
    background: transparent;
    color: var(--muted);
    transition: background 0.12s ease, color 0.12s ease;
  }
  .sizer button:hover { color: var(--accent); }
  .sizer button.on { background: var(--accent); color: #fff; }
  .theme-toggle {
    font-size: 14px; line-height: 1;
    border: 0; background: transparent; cursor: pointer;
    padding: 4px 8px; border-radius: 999px;
  }
  .theme-toggle:hover { background: var(--panel-2); }
  .sizer-div { width: 1px; height: 18px; background: var(--border); margin: 0 3px; }

  /* Link al índice */
  .home-link {
    position: fixed;
    top: 14px; left: 18px;
    z-index: 20;
    font-size: 12px; font-weight: 700;
    text-decoration: none;
    color: var(--muted);
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 5px 12px;
    box-shadow: 0 2px 10px rgba(20,30,55,0.10);
  }
  .home-link:hover { color: var(--accent); border-color: var(--accent); }

  /* Filmstrip: miniaturas de slides (aparece desde la izquierda) */
  .filmstrip-hot { position: fixed; top: 0; left: 0; width: 16px; height: 100vh; z-index: 29; }
  .filmstrip {
    position: fixed; top: 0; left: 0;
    height: 100vh; width: 240px;
    z-index: 30;
    background: rgba(255,255,255,0.94);
    -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
    border-right: 1px solid var(--border);
    box-shadow: 6px 0 28px rgba(20,30,55,0.10);
    transform: translateX(-100%);
    transition: transform 0.22s ease;
    overflow-y: auto; overflow-x: hidden;
    padding: 14px 12px;
    display: flex; flex-direction: column; gap: 10px;
  }
  .filmstrip.open { transform: translateX(0); }
  .filmstrip:hover { transform: translateX(0); }
  .thumb {
    flex: 0 0 auto;
    width: 208px;
    display: flex; flex-direction: column; gap: 5px;
    border: 0; background: transparent; padding: 0;
    cursor: pointer;
    text-align: left;
  }
  .thumb-frame {
    position: relative;
    width: 208px; height: 117px;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg);
  }
  .thumb:hover .thumb-frame { border-color: var(--accent); }
  .thumb.current .thumb-frame { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); }
  .thumb-label { padding: 0 2px 2px; line-height: 1.25; }
  .thumb-chapter {
    display: block;
    font-size: 9.5px; font-weight: 700;
    letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--accent);
  }
  .thumb-topic { display: block; font-size: 11px; color: var(--text); }
  .thumb.current .thumb-topic { font-weight: 700; }
  .thumb-canvas {
    position: absolute; top: 0; left: 0;
    width: 1280px; height: 720px;
    transform: scale(0.1625); transform-origin: top left;
    pointer-events: none;
  }
  .thumb-slide {
    display: flex !important;
    position: static !important;
    zoom: 1 !important;
    width: 1280px !important; height: 720px !important;
  }
  .thumb-num {
    position: absolute; bottom: 4px; right: 5px;
    font-size: 10px; font-weight: 700; color: #fff;
    background: rgba(20,30,55,0.6);
    border-radius: 4px; padding: 0 5px;
    pointer-events: none;
  }

  .slide-eyebrow {
    color: var(--accent);
    font-size: 13px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 14px;
  }

  h1.title {
    font-size: 64px;
    line-height: 1.05;
    margin: 0 0 16px 0;
    font-weight: 800;
    letter-spacing: -0.02em;
  }
  h1.title .accent { color: var(--accent); }

  h2.slide-title {
    font-size: 38px;
    line-height: 1.1;
    margin: 0 0 22px 0;
    font-weight: 800;
    letter-spacing: -0.01em;
  }

  .subtitle {
    color: var(--muted);
    font-size: 21px;
    margin: 0 0 12px 0;
    line-height: 1.4;
  }

  ul.bullets {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 22px;
    line-height: 1.55;
  }
  ul.bullets li {
    padding-left: 28px;
    position: relative;
    margin-bottom: 10px;
  }
  ul.bullets li::before {
    content: "→";
    color: var(--accent);
    position: absolute;
    left: 0;
    font-weight: 700;
  }

  .columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 8px;
  }
  .columns.three { grid-template-columns: 1fr 1fr 1fr; }
  .columns.four  { grid-template-columns: 1fr 1fr 1fr 1fr; }

  .card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px 24px;
    box-shadow: 0 1px 3px rgba(20,30,55,0.05), 0 8px 24px rgba(20,30,55,0.04);
  }
  .card h3 {
    margin: 0 0 10px 0;
    font-size: 19px;
    color: var(--accent);
    letter-spacing: 0.02em;
  }
  .card p, .card li { font-size: 16px; color: var(--text); line-height: 1.55; }
  .card ul { padding-left: 20px; margin: 0; }

  .imgcard {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .imgcard img { max-width: 100%; max-height: 100%; height: auto; border-radius: 8px; display: block; }
  .imgcaption { font-size: 13px; color: var(--muted); margin-top: 10px; text-align: center; line-height: 1.4; }

  pre.code {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 20px;
    color: #24292f;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 15px;
    line-height: 1.55;
    overflow: auto;
    margin: 8px 0;
  }
  pre.code .c { color: #6e7781; font-style: italic; }
  pre.code .k { color: #cf222e; }
  pre.code .s { color: #0a7d33; }
  pre.code .t { color: #8250df; }
  pre.code .n { color: #0550ae; }

  /* Botón copiar código */
  .code-wrap { position: relative; }
  .copy-btn {
    position: absolute;
    top: 8px; right: 8px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--muted);
    border-radius: 6px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  }
  .code-wrap:hover .copy-btn { opacity: 1; }
  .copy-btn:hover { color: var(--accent); border-color: var(--accent); }
  .copy-btn.copied { color: var(--green); border-color: var(--green); opacity: 1; }

  table.tbl {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    font-size: 17px;
    box-shadow: 0 1px 3px rgba(20,30,55,0.05), 0 8px 24px rgba(20,30,55,0.04);
  }
  table.tbl th, table.tbl td {
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
  }
  table.tbl th {
    background: var(--panel-2);
    color: var(--muted);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.08em;
  }
  table.tbl tr:last-child td { border-bottom: none; }
  table.tbl code { color: var(--accent-2); background: var(--panel-2); padding: 1px 6px; border-radius: 4px; font-size: 14px; }

  .callout {
    margin-top: 14px;
    background: rgba(124,58,237,0.08);
    border-left: 3px solid var(--accent);
    padding: 12px 18px;
    border-radius: 6px;
    color: var(--text);
    font-size: 17px;
  }
  .callout code { color: var(--accent-2); background: var(--panel-2); padding: 1px 6px; border-radius: 4px; font-size: 0.9em; }

  .small-note {
    color: var(--muted);
    font-size: 15px;
    margin-top: 12px;
    line-height: 1.55;
  }
  .small-note code { color: var(--accent-2); background: var(--panel-2); padding: 1px 6px; border-radius: 4px; font-size: 13px; }

  .pager {
    position: fixed;
    bottom: 18px; right: 24px;
    color: var(--muted);
    font-size: 13px;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    user-select: none;
  }
  .brand {
    position: fixed;
    bottom: 18px; left: 24px;
    color: var(--muted);
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    user-select: none;
    display: flex; align-items: center; gap: 9px;
  }
  .brand b { color: var(--accent); }
  .repo-link { display: inline-flex; color: var(--muted); text-decoration: none; }
  .repo-link:hover { color: var(--accent); }
  .repo-link svg { display: block; width: 17px; height: 17px; }

  .progress {
    position: fixed;
    top: 0; left: 0;
    height: 3px;
    background: var(--accent);
    transition: width 0.25s ease;
    z-index: 10;
  }

  .slide.title-slide {
    justify-content: center;
    background: radial-gradient(ellipse at top left, rgba(124,58,237,0.12), transparent 55%),
                radial-gradient(ellipse at bottom right, rgba(37,99,235,0.10), transparent 55%),
                var(--bg);
  }

  .title-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }
  .title-photo {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 12px 40px rgba(20,30,55,0.18);
  }
  .title-photo img { width: 100%; height: auto; display: block; }

  .two-col-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 8px;
  }
  .col h4 {
    margin: 0 0 10px 0;
    color: var(--accent);
    font-size: 15px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  .flow {
    display: grid;
    grid-template-columns: 1fr 28px 1fr 28px 1fr;
    gap: 14px;
    align-items: stretch;
    margin-top: 18px;
  }
  .flow .arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--accent);
    font-weight: 700;
  }
  .pill {
    display: inline-block;
    margin-top: 8px;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 12px;
    color: var(--accent-2);
    background: var(--panel-2);
    padding: 2px 8px;
    border-radius: 4px;
  }

  ul.bullets li code, .card code { color: var(--accent-2); background: var(--panel-2); padding: 1px 6px; border-radius: 4px; font-size: 0.9em; }

  .kbd {
    display: inline-block;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 12px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 8px;
    color: var(--text);
  }

  /* Lista numerada de pasos */
  ol.steps { list-style: none; counter-reset: step; padding: 0; margin: 0; line-height: 1.5; }
  ol.steps li { counter-increment: step; padding: 9px 0 9px 42px; position: relative; border-bottom: 1px solid var(--border); }
  ol.steps li:last-child { border-bottom: none; }
  ol.steps li::before {
    content: counter(step);
    position: absolute; left: 0; top: 9px;
    width: 26px; height: 26px; border-radius: 50%;
    background: var(--accent); color: #fff;
    font-weight: 700; font-size: 13px;
    display: flex; align-items: center; justify-content: center;
  }
  ol.steps li code { color: var(--accent-2); background: var(--panel-2); padding: 1px 6px; border-radius: 4px; font-size: 0.9em; }

  /* Exportar a PDF / imprimir */
  @media print {
    @page { size: 1280px 720px; margin: 0; }
    html, body { background: var(--bg); }
    .deck {
      position: static;
      display: block;
      width: 1280px;
      height: auto;
      overflow: visible;
    }
    .slide {
      display: flex !important;
      position: relative !important;
      inset: auto !important;
      zoom: 1 !important;
      width: 1280px;
      height: 720px;
      page-break-after: always;
      break-after: page;
      overflow: hidden;
    }
    .slide:last-child { page-break-after: auto; break-after: auto; }
    .progress, .pager, .brand, .copy-btn, .sizer, .home-link, .filmstrip, .filmstrip-hot { display: none !important; }
    * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
  }