/* Adventskalender (Schwedisch) – Startseite mit 24 Türchen.
   Nordisches Nachtdesign mit Polarlicht rein per CSS (keine Fotos, keine Bilder mit Text).
   Raster: 4 Spalten, ab Desktop bzw. Tablet quer 6 × 4. */
:root{color-scheme:dark;--text:#fbf7ef;--gold:#e7cb94;--muted:#cfe0e2;--tile:#13364a;--focus:#ffdc98;--ink:#102630}
    *{box-sizing:border-box}body{margin:0;min-height:100svh;background:#091a22;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5;display:flex;flex-direction:column}
    /* Responsive background assets; gradients remain as a fallback. */

    a{color:inherit}button{font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:5px}
    main{width:min(100%,510px);padding:48px 26px 28px;margin:auto;text-align:center}.brand{font-size:12px;letter-spacing:.3px;text-decoration:none;color:var(--muted)}.brand strong{font-weight:700}h1{font-size:clamp(25px,6.4vw,34px);font-weight:650;letter-spacing:-.9px;line-height:1.2;margin:18px 0 12px}.intro{color:var(--muted);font-size:13px;margin:0 0 26px}.divider{width:36px;height:2px;background:var(--gold);margin:0 auto 28px;border-radius:2px}
    .days{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.day{position:relative;min-width:0;min-height:48px;padding:0;aspect-ratio:1.18;border:1px solid rgba(255,255,255,.07);border-radius:9px;background:rgba(12,40,52,.80);box-shadow:0 3px 12px #0002;font-size:19px;font-weight:600;transition:background .18s,transform .18s,border-color .18s,box-shadow .18s}.day:hover{background:rgba(20,64,80,.94);transform:translateY(-2px)}.day.opened{background:#081d26;border-color:var(--gold);color:var(--gold);box-shadow:inset 0 0 0 1px rgba(231,203,148,.2),0 5px 16px #0003}.day.opened:hover{background:#13364a}.day.opened:after{content:"✓";position:absolute;right:7px;top:3px;font-size:11px;font-weight:700;color:var(--gold)}.day[data-day="24"]{border-color:rgba(231,203,148,.65)}
    .notice{font-size:12px;color:var(--gold);margin:12px 0 0}.notice[hidden]{display:none}footer{padding:12px 20px 22px;display:flex;justify-content:center;gap:20px;font-size:11px;color:var(--muted)}footer a{text-decoration:none}footer a:hover{text-decoration:underline}
    dialog{width:calc(100% - 32px);max-width:390px;max-height:calc(100svh - 40px);overflow:auto;padding:24px;border:1px solid #ffffff21;border-radius:18px;background:#0e2a36;color:var(--text);box-shadow:0 20px 80px #0008;text-align:center}dialog::backdrop{background:#040a1aba;backdrop-filter:blur(5px)}.dialog-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px}h2{margin:0;font-size:21px;letter-spacing:-.4px;font-weight:600}.close{width:44px;height:44px;border:0;border-radius:50%;background:#ffffff0c;font-size:27px;line-height:1;display:grid;place-items:center}.close:hover{background:#ffffff17}.day-ornament{display:grid;place-items:center;width:112px;height:112px;margin:2px auto 20px;border:1px solid rgba(231,203,148,.55);border-radius:50%;background:radial-gradient(circle at 50% 40%,rgba(231,203,148,.18),rgba(8,30,40,.9) 70%);box-shadow:0 0 0 6px rgba(231,203,148,.06),0 10px 30px #0005;font-family:Georgia,"Times New Roman",serif;font-size:48px;line-height:1;color:var(--gold)}.dialog-copy{margin:0 0 20px;color:var(--muted);font-size:14px}.exercise{display:block;background:var(--gold);color:#102630;text-decoration:none;font-size:15px;font-weight:650;border-radius:10px;padding:13px 18px}.exercise:hover{background:#f4dba9}.tab-note{font-size:11px;color:var(--muted);margin:10px 0 0}.tab-note[hidden]{display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
    main,footer{position:relative;z-index:1}
    @keyframes entrance{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
    .brand,h1,.intro,.divider,footer{animation:entrance .65s cubic-bezier(.2,.7,.2,1) backwards}
    h1{animation-delay:.06s}.intro{animation-delay:.12s}.divider{animation-delay:.18s}footer{animation-delay:.3s}
    .day{animation:entrance .55s cubic-bezier(.2,.7,.2,1) var(--enter-delay,.2s) backwards}
    .snow{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:0;contain:strict}
    .snow[hidden]{display:none}.flake{position:absolute;left:var(--left);top:-12px;width:var(--size);height:var(--size);border-radius:50%;background:#fff;opacity:0;animation:snowfall var(--duration) linear var(--delay) infinite;pointer-events:none}
    .snow.is-paused .flake{animation-play-state:paused}
    @keyframes snowfall{0%{transform:translate3d(0,-12px,0);opacity:0}10%{opacity:var(--opacity)}85%{opacity:var(--opacity)}100%{transform:translate3d(var(--drift),calc(100vh + 24px),0);opacity:0}}
    @media(prefers-reduced-motion:reduce){.snow{display:none!important}}
    /* Cinematic opening: transform/opacity only, with an immediate skip action. */
    .cinema{position:fixed;inset:0;z-index:20;display:grid;place-items:center;overflow:hidden;background:radial-gradient(ellipse at 50% 45%,rgba(20,62,72,.92),rgba(1,8,11,.99));animation:curtain 4.2s ease forwards}
    .cinema[hidden]{display:none}.cinema-content{text-align:center;padding:28px;max-width:900px;width:100%;pointer-events:none}
    .cinema-credit{font-size:10px;text-transform:uppercase;letter-spacing:4px;color:var(--gold);margin:0 0 27px;animation:credit-in 1.2s ease .1s both}
    .cinema-title{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:clamp(34px,7vw,76px);line-height:1.12;letter-spacing:1px;color:#fff6e5;margin:0;text-shadow:0 2px 24px rgba(231,203,148,.18);animation:title-in 2s cubic-bezier(.2,.65,.2,1) .45s both}
    .cinema-line{width:110px;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);margin:27px auto 19px;animation:line-in 1.4s ease .8s both}
    .cinema-subtitle{font-size:12px;text-transform:uppercase;letter-spacing:3px;color:var(--gold);margin:0;animation:credit-in 1.3s ease 1.1s both}
    .skip-intro{position:absolute;right:max(22px,env(safe-area-inset-right));bottom:max(22px,env(safe-area-inset-bottom));min-height:44px;padding:10px 16px;background:transparent;border:1px solid #ffffff30;border-radius:30px;font-size:12px;color:var(--muted);z-index:1}.skip-intro:hover{background:#ffffff0d}
    .intro-running main .brand,.intro-running main h1,.intro-running main .intro,.intro-running main .divider,.intro-running .day,.intro-running footer{animation-play-state:paused}
    body.intro-running:before{animation:camera-in 4.2s cubic-bezier(.2,.7,.2,1) both}
    @keyframes curtain{0%,60%{opacity:1}100%{opacity:0}}
    @keyframes camera-in{from{transform:scale(1.065)}to{transform:scale(1)}}
    @keyframes credit-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
    @keyframes title-in{from{opacity:0;transform:scale(1.09) translateY(10px);letter-spacing:5px}to{opacity:1;transform:scale(1) translateY(0);letter-spacing:1px}}
    @keyframes line-in{from{opacity:0;transform:scaleX(.1)}to{opacity:1;transform:scaleX(1)}}
    @media(max-width:380px){main{padding:30px 20px 22px}.days{gap:10px}.day{font-size:17px}h1{font-size:25px}.intro{margin-bottom:20px}.divider{margin-bottom:22px}}
    @media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
    /* Desktop und Tablets im Querformat: 6 Spalten, 4 Reihen. */
    @media (min-width: 1025px),
           (min-width: 768px) and (min-height: 500px) and (orientation: landscape) {
      main {
        width: min(100%, 740px);
      }
      .days {
        grid-template-columns: repeat(6, minmax(0, 1fr));
      }
    }