:root {
  --bg-0: #0b0612;
  --bg-1: #170c26;
  --bg-2: #2a1346;
  --ink: #f2ebfa;
  --ink-dim: #b9abd0;
  --gold: #e6c27a;
  --gold-soft: rgba(230, 194, 122, 0.28);
  --gold-glow: rgba(230, 194, 122, 0.55);
  --violet: #8d6bd6;
  --card-bg: #1d1030;
  --danger: #ff9b9b;
  --ok: #9be3b5;
  --radius: 16px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(141, 107, 214, 0.35), transparent 60%),
    radial-gradient(700px 400px at 90% 100%, rgba(230, 194, 122, 0.08), transparent 60%),
    linear-gradient(180deg, var(--bg-1), var(--bg-0) 60%);
  background-color: var(--bg-0);
  background-attachment: fixed;
}
a { color: var(--gold); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px 56px; }
header.site { padding: 28px 0 8px; text-align: center; }
.brand { font-family: var(--serif); font-size: 1.1rem; letter-spacing: 0.4em; text-transform: uppercase; color: var(--gold); text-shadow: 0 0 18px var(--gold-glow); }
h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(1.9rem, 7vw, 3rem); line-height: 1.15; margin: 12px 0 8px; }
.lede { color: var(--ink-dim); max-width: 36rem; margin: 0 auto; }
.panel { background: rgba(29, 16, 48, 0.72); border: 1px solid var(--gold-soft); border-radius: var(--radius); padding: 18px; margin-top: 20px; box-shadow: 0 0 40px rgba(141, 107, 214, 0.12); }
.panel h2 { font-family: var(--serif); font-weight: 500; font-size: 1.25rem; margin: 0 0 10px; color: var(--gold); }
label { display: block; font-size: 0.9rem; color: var(--ink-dim); margin: 12px 0 4px; }
textarea, select { width: 100%; font: inherit; color: var(--ink); background: rgba(11, 6, 18, 0.7); border: 1px solid var(--gold-soft); border-radius: 10px; padding: 12px; }
textarea { min-height: 84px; resize: vertical; }
textarea:focus, select:focus, button:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.row > * { flex: 1 1 200px; }
.check { display: flex; align-items: center; gap: 8px; color: var(--ink); margin: 12px 0 0; }
.check input { width: 20px; height: 20px; accent-color: var(--gold); }
button { font: inherit; cursor: pointer; border-radius: 999px; padding: 12px 22px; min-height: 44px; border: 1px solid var(--gold); color: var(--gold); background: transparent; }
button.primary { color: #1a0f08; background: linear-gradient(180deg, #f1d391, var(--gold)); box-shadow: 0 0 22px var(--gold-soft); font-weight: 600; }
button:disabled { opacity: 0.45; cursor: not-allowed; }
.commit { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.78rem; word-break: break-all; color: var(--ink-dim); background: rgba(11, 6, 18, 0.6); padding: 8px 10px; border-radius: 8px; }
.notice { font-size: 0.88rem; color: var(--ink-dim); border-left: 3px solid var(--gold-soft); padding-left: 12px; margin: 12px 0 0; }
.error { color: var(--danger); border-color: var(--danger); }
.ok { color: var(--ok); }
.hidden { display: none !important; }

/* cards + flip */
.spread { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 12px; margin: 16px 0 0; justify-items: center; }
.slot { width: min(100%, 190px); text-align: center; }
.slot .pos { font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
.flip { perspective: 900px; width: 100%; aspect-ratio: 2 / 3.3; }
.flip-inner { position: relative; width: 100%; height: 100%; transition: transform 0.9s cubic-bezier(0.2, 0.8, 0.2, 1); transform-style: preserve-3d; }
.flip.revealed .flip-inner { transform: rotateY(180deg); }
.face { position: absolute; inset: 0; border-radius: 12px; backface-visibility: hidden; -webkit-backface-visibility: hidden; border: 1px solid var(--gold); display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 10px; }
.back {
  background:
    radial-gradient(circle at 50% 50%, var(--gold-soft) 0, transparent 38%),
    repeating-linear-gradient(45deg, rgba(230, 194, 122, 0.12) 0 2px, transparent 2px 12px),
    linear-gradient(160deg, var(--bg-2), var(--bg-0));
  box-shadow: 0 0 24px var(--gold-soft);
}
.back::after { content: "\2726"; font-size: 2.2rem; color: var(--gold); text-shadow: 0 0 14px var(--gold-glow); }
.front { transform: rotateY(180deg); background: linear-gradient(170deg, var(--card-bg), #0d0716); box-shadow: 0 0 30px var(--gold-soft); }
.front .art { width: 64%; aspect-ratio: 1; color: var(--gold); transition: transform 0.4s; filter: drop-shadow(0 0 8px var(--gold-glow)); }
.front.is-reversed .art { transform: rotate(180deg); }
.front .numeral { font-family: var(--serif); font-size: 1.1rem; color: var(--gold); min-height: 1.4em; }
.front .cname { font-family: var(--serif); font-size: 1rem; margin-top: 6px; }
.front .orient { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-dim); margin-top: 4px; }
.front.is-reversed .orient { color: var(--gold); }
.meaning { font-size: 0.9rem; text-align: left; margin-top: 10px; color: var(--ink-dim); }
.meaning b { color: var(--ink); font-weight: 600; }
.layer { margin-top: 18px; }
.layer h3 { font-family: var(--serif); font-size: 1.05rem; font-weight: 500; color: var(--gold); margin: 0 0 6px; }
.disclaimer { margin-top: 22px; font-size: 0.86rem; color: var(--ink-dim); text-align: center; }
footer { text-align: center; margin-top: 36px; font-size: 0.8rem; color: var(--ink-dim); }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; margin: 0; }
dl.kv dt { color: var(--ink-dim); }
dl.kv dd { margin: 0; word-break: break-all; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.82rem; }
.badge { display: inline-block; padding: 4px 12px; border-radius: 999px; border: 1px solid currentColor; font-size: 0.85rem; }
canvas#share-canvas { max-width: 100%; border-radius: 12px; border: 1px solid var(--gold-soft); margin-top: 12px; }
@media (prefers-reduced-motion: reduce) { .flip-inner { transition-duration: 0.01s; } }
@media (max-width: 420px) { dl.kv { grid-template-columns: 1fr; } }