/* ═══════════════════════════════════════════════════════════════
   ZEITSPUREN — Design-System (Konzept 12.07.2026)
   Museums-Editorial: warmes Papier, Sepia-Tinte, Messing-Akzent.
   Kiosk-tauglich: große Ziele, keine externen Abhängigkeiten,
   Serif = System-Stack (Iowan/Georgia), UI = system-ui.
   ═══════════════════════════════════════════════════════════════ */

:root {
  --papier: #f3eee3;          /* Grundton: gealtertes Museums-Papier */
  --papier-tief: #eae3d2;
  --karte: #faf7ef;
  --tinte: #2b2016;           /* Sepia-Tinte statt Schwarz */
  --tinte-blass: #7d6f5c;
  --linie: #d8cfba;
  --messing: #a67c2e;         /* Akzent: Messing/Gold der Objektschilder */
  --messing-tief: #8a6423;
  --gruen: #4a6741;           /* Bestätigung: Patina-Grün */
  --rot: #9c4a2f;             /* Fehler: Ziegelrot */
  --serif: "Iowan Old Style", "Palatino", Georgia, "Times New Roman", serif;
  --ui: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --papier: #191511;        /* Museumsnacht */
    --papier-tief: #211c16;
    --karte: #241f18;
    --tinte: #ece4d4;
    --tinte-blass: #a89a84;
    --linie: #3a3227;
    --messing: #c99a45;
    --messing-tief: #dbb066;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--papier); color: var(--tinte);
  font-family: var(--ui); line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  /* feines Papierkorn */
  background-image: radial-gradient(rgba(0,0,0,.022) 1px, transparent 1px);
  background-size: 4px 4px;
}

.shell { max-width: 1080px; margin: 0 auto; padding: 20px clamp(16px, 4vw, 40px) 64px; }

/* ── Kopf mit Wortmarke ──────────────────────────────────────── */
.masthead {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 18px 0 16px; border-bottom: 2px solid var(--tinte);
  margin-bottom: 8px;
}
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; color: inherit; }
.brand svg { display: block; }
.brand-name {
  font-family: var(--serif); font-weight: 700; letter-spacing: .14em;
  font-size: clamp(19px, 2.6vw, 24px); text-transform: uppercase;
}
.brand-sub {
  display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .28em;
  color: var(--messing); text-transform: uppercase; margin-top: 2px;
}
.masthead .right { font-family: var(--mono); font-size: 11px; color: var(--tinte-blass); letter-spacing: .08em; }

/* ── Typo ────────────────────────────────────────────────────── */
h1 { font-family: var(--serif); font-size: clamp(30px, 5.4vw, 52px); line-height: 1.04; letter-spacing: -.01em; margin: 28px 0 12px; text-wrap: balance; }
.lede { color: var(--tinte-blass); font-size: clamp(15px, 1.8vw, 18px); max-width: 58ch; margin: 0 0 30px; }
.kicker { font-family: var(--mono); font-size: 11px; letter-spacing: .3em; text-transform: uppercase; color: var(--messing); margin: 26px 0 6px; }

/* ── Exponat-Karten als Museums-Objektschilder ──────────────── */
.exponate { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 22px; margin-top: 18px; }
.exponat {
  background: var(--karte); border: 1px solid var(--linie); border-radius: 4px;
  overflow: hidden; cursor: pointer; text-align: left; padding: 0; color: inherit; font: inherit;
  box-shadow: 0 1px 0 var(--linie), 0 14px 30px -22px rgba(43, 32, 22, .5);
  transition: transform .18s ease, box-shadow .18s ease;
  display: flex; flex-direction: column;
}
.exponat:hover, .exponat:focus-visible { transform: translateY(-3px); box-shadow: 0 1px 0 var(--linie), 0 22px 40px -22px rgba(43, 32, 22, .55); outline: none; }
.exponat img { width: 100%; aspect-ratio: 3/2; object-fit: cover; display: block; filter: sepia(.14) saturate(.94); }
.exponat .schild { padding: 14px 16px 16px; border-top: 3px double var(--linie); }
.exponat .inv { font-family: var(--mono); font-size: 10px; letter-spacing: .22em; color: var(--messing); text-transform: uppercase; }
.exponat .name { font-family: var(--serif); font-weight: 700; font-size: 19px; margin: 4px 0 6px; }
.exponat .desc { font-size: 13px; color: var(--tinte-blass); margin: 0; }
.exponat .cta { display: inline-block; margin-top: 12px; font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--messing-tief); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--messing); color: #fff; border: none; border-radius: 4px;
  padding: 16px 28px; font: 700 16px var(--ui); letter-spacing: .02em; cursor: pointer;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.22);
}
.btn:hover { background: var(--messing-tief); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.ghost { background: transparent; color: var(--tinte); border: 1.5px solid var(--linie); box-shadow: none; }
.btn.big { width: 100%; padding: 20px; font-size: 18px; }

/* ── Selfie-Aufnahme ─────────────────────────────────────────── */
.stage { background: var(--karte); border: 1px solid var(--linie); border-radius: 6px; padding: clamp(18px, 3.5vw, 34px); margin-top: 18px; }
.selfie-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 26px; align-items: start; }
.selfie-drop {
  aspect-ratio: 3/4; border: 2px dashed var(--linie); border-radius: 6px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  color: var(--tinte-blass); text-align: center; padding: 18px; position: relative; overflow: hidden;
  background: var(--papier-tief);
}
.selfie-drop img.preview { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.tips { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.tips li { display: flex; gap: 12px; align-items: baseline; font-size: 15px; }
.tips .nr { font-family: var(--serif); font-weight: 700; color: var(--messing); font-size: 19px; min-width: 22px; }

/* ── Zeitreise-Warte-Screen ──────────────────────────────────── */
.timewarp { text-align: center; padding: clamp(30px, 7vw, 70px) 10px; }
.jahr {
  font-family: var(--serif); font-weight: 700; font-variant-numeric: tabular-nums;
  font-size: clamp(72px, 17vw, 150px); line-height: 1; letter-spacing: .02em;
  color: var(--tinte);
}
.jahr .zehner { color: var(--messing); }
.epoche { font-family: var(--mono); font-size: 12px; letter-spacing: .26em; text-transform: uppercase; color: var(--tinte-blass); min-height: 2.6em; margin-top: 14px; }
.warp-track { height: 3px; background: var(--linie); border-radius: 2px; max-width: 420px; margin: 26px auto 0; overflow: hidden; }
.warp-track i { display: block; height: 100%; background: var(--messing); width: 0%; transition: width 1.1s linear; }
.warp-note { font-size: 13px; color: var(--tinte-blass); margin-top: 16px; }

/* ── Kandidaten-Auswahl ──────────────────────────────────────── */
.choice-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; margin-top: 18px; }
.choice-card { margin: 0; background: var(--karte); border: 1px solid var(--linie); border-radius: 6px; overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 14px 30px -22px rgba(43,32,22,.5); }
.choice-card img { width: 100%; height: auto; display: block; }
.choice-card button { margin: 12px; padding: 15px; border-radius: 4px; border: none; background: var(--messing); color: #fff; font: 700 15px var(--ui); cursor: pointer; box-shadow: inset 0 -2px 0 rgba(0,0,0,.22); }
.choice-card button:hover { background: var(--messing-tief); }

/* ── Ergebnis ────────────────────────────────────────────────── */
.result-frame {
  background: var(--karte); border: 1px solid var(--linie); padding: clamp(12px, 2.6vw, 26px);
  border-radius: 4px; box-shadow: 0 26px 60px -30px rgba(43,32,22,.6); margin-top: 18px;
}
.result-frame img { width: 100%; height: auto; display: block; border: 1px solid var(--linie); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.actions a { flex: 1; min-width: 180px; text-decoration: none; text-align: center; }

/* ── Status/Schritte (diskret) ───────────────────────────────── */
.banner { background: var(--karte); border: 1px solid var(--linie); border-left: 4px solid var(--messing); border-radius: 4px; padding: 13px 16px; margin: 14px 0; font-size: 14px; display: flex; gap: 10px; align-items: center; }
.banner.ok { border-left-color: var(--gruen); }
.banner.err { border-left-color: var(--rot); }
.steps-mini { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.steps-mini span { font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; padding: 5px 10px; border-radius: 20px; border: 1px solid var(--linie); color: var(--tinte-blass); }
.steps-mini span.done { border-color: var(--gruen); color: var(--gruen); }
.steps-mini span.run { border-color: var(--messing); color: var(--messing); }
.steps-mini span.fail { border-color: var(--rot); color: var(--rot); }
.spin { width: 14px; height: 14px; border: 2px solid var(--linie); border-top-color: var(--messing); border-radius: 50%; display: inline-block; animation: rot 0.9s linear infinite; flex: none; }
@keyframes rot { to { transform: rotate(360deg); } }

/* ── Admin ───────────────────────────────────────────────────── */
.login-box { max-width: 380px; margin: 60px auto; }
.login-box input { width: 100%; padding: 15px 16px; font: inherit; border: 1.5px solid var(--linie); border-radius: 4px; background: var(--karte); color: inherit; margin: 10px 0 14px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 16px; }
.admin-table th { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--tinte-blass); text-align: left; padding: 8px 10px; border-bottom: 2px solid var(--tinte); }
.admin-table td { padding: 9px 10px; border-bottom: 1px solid var(--linie); vertical-align: middle; }
.admin-table img { height: 44px; border-radius: 3px; display: block; }
.tag { font-family: var(--mono); font-size: 10px; padding: 3px 8px; border-radius: 20px; border: 1px solid var(--linie); }
.tag.done { color: var(--gruen); border-color: var(--gruen); }
.tag.failed { color: var(--rot); border-color: var(--rot); }
.tag.choice, .tag.running, .tag.waiting_worker, .tag.queued { color: var(--messing); border-color: var(--messing); }

.foot { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--linie); display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--tinte-blass); text-transform: uppercase; }
.foot a { color: inherit; text-decoration: none; }

@media (prefers-reduced-motion: reduce) { .spin, .warp-track i { animation: none; transition: none; } }

/* hidden-Attribut muss IMMER gewinnen (auch gegen display:flex der Banner/Tips) */
[hidden] { display: none !important; }

/* ── Einwilligung ────────────────────────────────────────────── */
.consent-info { font-size: 13px; color: var(--tinte-blass); background: var(--papier-tief); border: 1px solid var(--linie); border-radius: 6px; padding: 12px 14px; margin: 0 0 12px; }
.consent-info strong { color: var(--tinte); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; margin: 10px 0; cursor: pointer; color: var(--tinte); }
.check input { width: 19px; height: 19px; margin-top: 1px; accent-color: var(--messing); flex: none; }
.check a { color: var(--messing-tief); }