/* deck.css - gemeinsames Design-System fuer die Praesentationen (/slides/).
   Einbinden mit: <link rel="stylesheet" href="/slides/deck.css">
   Farben/Schriften ueber die :root-Tokens; ein Deck kann einzelne Tokens
   per eigenem <style>:root{--accent:...}</style> ueberschreiben. */

:root {
    --ground: #0b0f1e;
    --surface: #141a30;
    --surface-2: #1b2340;
    --hairline: #2a3358;
    --ink: #eef1fb;
    --muted: #99a3c1;
    --faint: #5f6a8f;
    --accent: #f4b13d;      /* 1 / an / Signal */
    --accent-ink: #1a1200;
    --accent-glow: rgba(244, 177, 61, .45);
    --cool: #57d3c6;
    --off: #333c5e;         /* 0 / aus */
    --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --mono: "SF Mono", "JetBrains Mono", "Cascadia Code", ui-monospace, Menlo, Consolas, monospace;
  }

  * { box-sizing: border-box; }
  html, body { height: 100%; margin: 0; }
  body {
    background: var(--ground);
    color: var(--ink);
    font-family: var(--sans);
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
  }

  /* ---------- deck frame ---------- */
  .deck { position: fixed; inset: 0; }

  .rail {
    position: fixed; top: 0; left: 0; height: 4px;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
    width: 0; transition: width .45s ease; z-index: 40;
  }

  .slide {
    position: absolute; inset: 0;
    display: grid; place-items: center;
    padding: clamp(1.5rem, 5vw, 4.5rem);
    padding-bottom: 5.5rem;
    opacity: 0; visibility: hidden;
    transform: translateY(14px);
    transition: opacity .5s ease, transform .5s ease, visibility .5s;
    overflow-y: auto;
  }
  .slide.active { opacity: 1; visibility: visible; transform: none; }

  .inner { width: 100%; max-width: 1120px; }

  .eyebrow {
    font-family: var(--mono);
    font-size: clamp(.72rem, 1.4vw, .9rem);
    letter-spacing: .28em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 1.4rem;
    display: flex; align-items: center; gap: .8rem;
  }
  .eyebrow::before {
    content: ""; width: 34px; height: 2px; background: var(--accent);
    display: inline-block; box-shadow: 0 0 8px var(--accent-glow);
  }

  h1 {
    font-size: clamp(2.6rem, 8vw, 6rem);
    line-height: .98; letter-spacing: -.03em; font-weight: 800;
    margin: 0; text-wrap: balance;
  }
  h2 {
    font-size: clamp(1.9rem, 5vw, 3.5rem);
    line-height: 1.05; letter-spacing: -.02em; font-weight: 800;
    margin: 0 0 1.5rem; text-wrap: balance;
  }
  .lead { font-size: clamp(1.1rem, 2.4vw, 1.5rem); color: var(--muted); max-width: 60ch; line-height: 1.5; }
  p { line-height: 1.6; }
  strong { color: var(--ink); font-weight: 700; }
  .hl { color: var(--accent); }
  .mono { font-family: var(--mono); }

  /* ---------- nav ---------- */
  .nav {
    position: fixed; bottom: 1.1rem; right: 1.2rem; z-index: 40;
    display: flex; align-items: center; gap: .6rem;
    font-family: var(--mono); font-size: .8rem; color: var(--faint);
  }
  .nav button {
    width: 38px; height: 38px; border-radius: 10px;
    border: 1px solid var(--hairline); background: var(--surface);
    color: var(--ink); font-size: 1.1rem; cursor: pointer;
    display: grid; place-items: center; transition: border-color .2s, background .2s;
  }
  .nav button:hover { border-color: var(--accent); }
  .nav button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
  .counter { position: fixed; bottom: 1.35rem; left: 1.4rem; z-index: 40;
    font-family: var(--mono); font-size: .82rem; color: var(--faint); letter-spacing: .1em; }
  .counter b { color: var(--accent); font-weight: 600; }
  .hint { position: fixed; bottom: 1.35rem; left: 50%; transform: translateX(-50%); z-index: 40;
    font-family: var(--mono); font-size: .74rem; color: var(--faint); letter-spacing: .12em; }

  /* ---------- title slide ---------- */
  .title-badge {
    display: inline-block; font-family: var(--mono); font-size: .8rem; letter-spacing: .2em;
    color: var(--cool); border: 1px solid var(--hairline); border-radius: 999px;
    padding: .4rem .9rem; margin-bottom: 2rem;
  }
  .bits-strip { margin-top: 2.4rem; font-family: var(--mono); color: var(--faint);
    letter-spacing: .35em; font-size: clamp(.8rem, 1.8vw, 1.1rem); }
  .bits-strip span { color: var(--accent); }

  /* ---------- word split ---------- */
  .wordsplit { display: flex; flex-wrap: wrap; gap: .6rem 1rem; align-items: center; margin-top: 1.8rem;
    font-family: var(--mono); font-size: clamp(1rem, 2.4vw, 1.5rem); }
  .chip { padding: .45rem .85rem; border-radius: 10px; background: var(--surface); border: 1px solid var(--hairline); }
  .chip.a { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 50%, var(--hairline)); }
  .chip.b { color: var(--cool); border-color: color-mix(in srgb, var(--cool) 45%, var(--hairline)); }
  .plus, .arrow { color: var(--faint); font-size: 1.4rem; }

  /* ---------- generic grid of cards ---------- */
  .cards { display: grid; gap: .9rem; margin-top: 1.8rem; }
  .rep { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
  .card {
    background: var(--surface); border: 1px solid var(--hairline); border-radius: 14px;
    padding: 1.2rem 1rem; text-align: center;
  }
  .card .big { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; line-height: 1; }
  .card .big.mono { font-family: var(--mono); color: var(--accent); }
  .card .cap { margin-top: .6rem; font-size: .8rem; color: var(--muted); font-family: var(--mono);
    letter-spacing: .08em; text-transform: uppercase; }

  .define {
    margin-top: 1.8rem; padding: 1.1rem 1.3rem; border-radius: 14px;
    background: color-mix(in srgb, var(--accent) 10%, var(--surface));
    border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--hairline));
    font-size: clamp(1.05rem, 2.2vw, 1.35rem); line-height: 1.5;
  }
  .define b { color: var(--accent); }

  /* ---------- discussion prompts ---------- */
  .prompts { list-style: none; padding: 0; margin: 1.6rem 0 0; display: grid; gap: .8rem; max-width: 44ch; }
  .prompts li { position: relative; padding-left: 2.2rem; font-size: clamp(1.05rem, 2.2vw, 1.35rem);
    color: var(--ink); line-height: 1.45; }
  .prompts li::before { content: "?"; position: absolute; left: 0; top: -1px;
    width: 1.5rem; height: 1.5rem; border-radius: 7px; background: var(--surface-2);
    border: 1px solid var(--hairline); color: var(--cool); font-family: var(--mono);
    display: grid; place-items: center; font-size: .9rem; }
  .whisper { margin-top: 1.6rem; font-size: .95rem; color: var(--faint); font-style: italic; }

  /* ---------- history ---------- */
  .hist { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
  .hist .card { text-align: left; }
  .hist .era { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; color: var(--cool); text-transform: uppercase; }
  .hist .name { font-weight: 700; margin: .35rem 0 .5rem; font-size: 1.05rem; }
  .hist .two { font-family: var(--mono); font-size: .9rem; color: var(--accent); }
  .callout { margin-top: 1.6rem; font-size: clamp(1.1rem, 2.4vw, 1.5rem); line-height: 1.45; max-width: 52ch; }

  /* ---------- lamp ---------- */
  .lamp-row { display: flex; flex-wrap: wrap; gap: 2.4rem; align-items: center; margin-top: 1.4rem; }
  .lamp {
    width: 150px; height: 150px; border-radius: 50%; flex-shrink: 0;
    background: radial-gradient(circle at 38% 34%, #232c4c, #10152a);
    border: 3px solid var(--off); cursor: pointer;
    display: grid; place-items: center; color: var(--faint);
    font-family: var(--mono); font-size: 2.4rem; font-weight: 700;
    transition: all .25s ease;
  }
  .lamp:focus-visible { outline: 3px solid var(--cool); outline-offset: 4px; }
  .lamp.on {
    background: radial-gradient(circle at 40% 34%, #ffe6a6, var(--accent) 60%, #b97f10);
    border-color: #ffd980; color: var(--accent-ink);
    box-shadow: 0 0 60px 6px var(--accent-glow);
  }
  .lamp-state { font-family: var(--mono); font-size: 1.1rem; color: var(--muted); }
  .lamp-state b { color: var(--accent); font-size: 1.6rem; }

  /* ---------- bit toggles ---------- */
  .bits { display: flex; gap: .7rem; flex-wrap: wrap; margin-top: 1.4rem; }
  .bit { display: flex; flex-direction: column; align-items: center; gap: .5rem; }
  .bit .pv { font-family: var(--mono); font-size: .82rem; color: var(--faint); }
  .bit button {
    width: 74px; height: 84px; border-radius: 12px; cursor: pointer;
    border: 2px solid var(--hairline); background: var(--surface);
    color: var(--faint); font-family: var(--mono); font-size: 2.2rem; font-weight: 700;
    transition: all .18s ease;
  }
  .bit button[aria-pressed="true"] {
    border-color: var(--accent); color: var(--accent-ink);
    background: var(--accent); box-shadow: 0 0 20px var(--accent-glow);
  }
  .bit button:focus-visible { outline: 3px solid var(--cool); outline-offset: 3px; }
  .bit-sum { margin-top: 1.5rem; font-family: var(--mono); font-size: clamp(1.1rem, 2.6vw, 1.6rem); color: var(--muted); }
  .bit-sum b { color: var(--accent); font-size: 1.5em; }

  /* ---------- magic cards ---------- */
  .magic-wrap { display: grid; grid-template-columns: 1.3fr 1fr; gap: 2rem; margin-top: 1rem; align-items: start; }
  @media (max-width: 820px) { .magic-wrap { grid-template-columns: 1fr; } }
  .magic { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; }
  .mcard {
    background: var(--surface); border: 2px solid var(--hairline); border-radius: 12px;
    padding: .5rem; cursor: pointer; text-align: left; transition: all .18s ease;
  }
  .mcard:hover { border-color: var(--accent); }
  .mcard.picked { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, var(--surface));
    box-shadow: 0 0 16px var(--accent-glow); }
  .mcard:focus-visible { outline: 2px solid var(--cool); outline-offset: 2px; }
  .mcard .key { font-family: var(--mono); font-size: 1.3rem; font-weight: 800; color: var(--accent); }
  .mcard .grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px 3px; margin-top: .3rem; }
  .mcard .grid span { font-family: var(--mono); font-size: .58rem; color: var(--muted); text-align: center; }
  .magic-side .lead { font-size: 1.05rem; }
  .guess-btn {
    margin-top: 1rem; padding: .7rem 1.5rem; border: none; border-radius: 999px;
    background: var(--accent); color: var(--accent-ink); font-weight: 800; font-size: 1.05rem;
    cursor: pointer; box-shadow: 0 3px 16px var(--accent-glow); transition: transform .15s;
  }
  .guess-btn:hover { transform: translateY(-2px); }
  .guess-btn:focus-visible { outline: 3px solid var(--cool); outline-offset: 3px; }
  .reveal-num { margin-top: 1.1rem; font-family: var(--mono); font-size: 1.4rem; color: var(--muted); min-height: 1.4em; }
  .reveal-num b { color: var(--accent); font-size: 2rem; }
  .link {
    display: inline-flex; align-items: center; gap: .5rem; margin-top: 1.4rem;
    color: var(--cool); text-decoration: none; font-weight: 600; border-bottom: 1px solid transparent;
    font-size: 1rem;
  }
  .link:hover { border-bottom-color: var(--cool); }

  /* Begriffs-Karten */
  .defs { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
  .defs .card { text-align: left; }
  .term { font-weight: 800; color: var(--accent); font-size: 1.15rem; margin-bottom: .4rem; }
  .termdef { color: var(--muted); font-size: .95rem; line-height: 1.45; }

  /* Stellenwert-Widget */
  .nsys-row { display: flex; gap: .6rem; flex-wrap: wrap; }
  .nsys-col { display: flex; flex-direction: column; align-items: center; gap: .35rem; }
  .nsys-pv { font-family: var(--mono); font-size: .82rem; color: var(--faint); }
  .nsys-pv sup { font-size: .7em; }
  .nsys-step {
    width: 54px; height: 26px; border: 1px solid var(--hairline);
    background: var(--surface); color: var(--muted); border-radius: 6px;
    cursor: pointer; font-size: .7rem; line-height: 1; transition: all .15s;
  }
  .nsys-step:hover { border-color: var(--accent); color: var(--accent); }
  .nsys-step:focus-visible { outline: 2px solid var(--cool); outline-offset: 2px; }
  .nsys-dig {
    width: 54px; height: 58px; display: grid; place-items: center;
    font-family: var(--mono); font-size: 2rem; font-weight: 700; color: var(--accent);
    background: var(--surface-2); border-radius: 8px;
  }
  .nsys-out { margin-top: 1.2rem; font-family: var(--mono); font-size: clamp(1rem, 2.4vw, 1.35rem); color: var(--muted); }
  .nsys-out b { color: var(--accent); font-size: 1.4em; }


  /* ---------- Positionierung (geteilt): <div class="posbox" data-yes="…" data-no="…">
       mit <p class="pos-item">Aussage</p> pro Aussage ---------- */
  .pos-zones { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.6rem; }
  .pos-zone {
    border: 2px dashed var(--hairline); border-radius: 16px; padding: 1.4rem 1rem;
    text-align: center; min-height: 120px; display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: .5rem;
  }
  .pos-zone.yes { border-color: color-mix(in srgb, var(--accent) 55%, var(--hairline)); background: color-mix(in srgb, var(--accent) 8%, var(--surface)); }
  .pos-zone.no { border-color: var(--hairline); background: var(--surface); }
  .pos-zone .arrow { font-size: 2rem; color: var(--accent); }
  .pos-zone.no .arrow { color: var(--faint); }
  .pos-zone .lbl { font-family: var(--mono); font-size: 1rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
  .pos-statement {
    margin-top: 1.4rem; padding: 1.6rem 1.4rem; border-radius: 16px;
    background: var(--surface-2); border: 1px solid var(--hairline);
    font-size: clamp(1.3rem, 3.4vw, 2rem); font-weight: 700; line-height: 1.3; text-align: center;
    min-height: 3em; display: flex; align-items: center; justify-content: center;
  }
  .pos-nav { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 1.2rem; }
  .pos-btn {
    padding: .6rem 1.3rem; border-radius: 999px; border: none; cursor: pointer;
    background: var(--accent); color: var(--accent-ink); font-weight: 800; font-size: 1rem;
    box-shadow: 0 3px 16px var(--accent-glow); transition: transform .15s;
  }
  .pos-btn:hover { transform: translateY(-2px); }
  .pos-btn:disabled { opacity: .4; cursor: default; box-shadow: none; transform: none; }
  .pos-btn:focus-visible { outline: 3px solid var(--cool); outline-offset: 3px; }
  .pos-count { font-family: var(--mono); color: var(--faint); font-size: .9rem; }

  /* ---------- Vier-Ecken (geteilt): <div class="corners"> mit .corner-Kindern ---------- */
  .corners { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.6rem; }
  .corner {
    border: 2px solid var(--hairline); border-radius: 16px; padding: 1.6rem 1.2rem;
    background: var(--surface); cursor: pointer; text-align: center; transition: all .18s ease;
    display: flex; flex-direction: column; gap: .5rem; align-items: center;
  }
  .corner:hover { border-color: var(--accent); }
  .corner.active { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, var(--surface)); box-shadow: 0 0 22px var(--accent-glow); }
  .corner .cemoji { font-size: 2rem; }
  .corner .clabel { font-weight: 700; font-size: 1.1rem; }
  .corner .ccorner { font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }

  /* ---------- grosse Auflösung nach dem Schätzen ---------- */
  .reveal-big { margin-top: 1.4rem; font-size: clamp(1.4rem, 4vw, 2.4rem); font-weight: 800; color: var(--accent); }

  /* progressive reveal */
  .frag { opacity: 0; transform: translateY(10px); transition: opacity .4s ease, transform .4s ease; }
  .frag.shown { opacity: 1; transform: none; }

  @media (prefers-reduced-motion: reduce) {
    .slide, .rail, .lamp, .bit button, .guess-btn, .frag { transition: none; }
  }