:root {
  --bg: #0f0b1f;
  --bg2: #1a1338;
  --panel: rgba(255, 255, 255, 0.05);
  --line: rgba(217, 180, 95, 0.35);
  --gold: #d9b45f;
  --gold-soft: #f0d99a;
  --text: #ece7f7;
  --muted: #a89fc4;
  --card-w: 150px;
  --card-h: 255px;
  --serif: "Cormorant Garamond", Georgia, "Noto Serif", "Songti TC", "Noto Serif TC", serif;
  --sans: system-ui, -apple-system, "Segoe UI", "PingFang TC", "Noto Sans TC", Roboto, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--text);
  background: radial-gradient(1200px 700px at 50% -10%, var(--bg2), var(--bg) 60%) fixed;
  line-height: 1.6;
  padding: 0 max(16px, env(safe-area-inset-left)) env(safe-area-inset-bottom) max(16px, env(safe-area-inset-right));
}

.stars {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.55;
  background-image:
    radial-gradient(1px 1px at 12% 18%, #fff, transparent),
    radial-gradient(1px 1px at 28% 72%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 44% 35%, var(--gold-soft), transparent),
    radial-gradient(1px 1px at 63% 12%, #fff, transparent),
    radial-gradient(1px 1px at 78% 55%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 90% 82%, var(--gold-soft), transparent),
    radial-gradient(1px 1px at 8% 88%, #fff, transparent),
    radial-gradient(1px 1px at 55% 90%, #fff, transparent);
}

.top, main, footer { position: relative; z-index: 1; max-width: 980px; margin: 0 auto; }

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: calc(env(safe-area-inset-top) + 16px) 0 8px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--gold); text-decoration: none; font-family: var(--serif); font-size: 1.35rem; letter-spacing: 0.04em; }
.langs { display: flex; gap: 6px; }
.langs button {
  background: transparent; color: var(--muted); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 14px; font: inherit; font-size: 0.85rem; cursor: pointer;
}
.langs button[aria-pressed="true"] { background: var(--gold); color: #1b1330; border-color: var(--gold); font-weight: 600; }
.langs button:focus-visible, .primary:focus-visible, .ghost:focus-visible, .spread:focus-visible, input:focus-visible, .card:focus-visible { outline: 2px solid var(--gold-soft); outline-offset: 2px; }

.hero { text-align: center; padding: 28px 0 12px; }
.hero h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(2rem, 6vw, 3.2rem); margin: 0 0 8px; color: var(--gold-soft); letter-spacing: 0.03em; }
.sub { margin: 0 auto; max-width: 560px; color: var(--muted); }

.panel {
  margin: 20px auto 0; max-width: 640px; padding: 22px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 18px;
  backdrop-filter: blur(6px);
  display: grid; gap: 18px;
}
.field { display: grid; gap: 8px; border: 0; padding: 0; margin: 0; min-width: 0; }
.field > span, legend { color: var(--gold); font-size: 0.9rem; padding: 0; }
input[type="text"] {
  width: 100%; font: inherit; color: var(--text);
  background: rgba(0, 0, 0, 0.25); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
}
input[type="text"]::placeholder { color: #7f76a0; }

.spreads { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; }
.spread {
  text-align: left; font: inherit; color: var(--text); cursor: pointer;
  background: rgba(0, 0, 0, 0.2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
}
.spread b { display: block; font-weight: 600; color: var(--gold-soft); }
.spread small { color: var(--muted); }
.spread[aria-checked="true"] { border-color: var(--gold); background: rgba(217, 180, 95, 0.14); box-shadow: 0 0 0 1px var(--gold) inset; }

.check { display: flex; gap: 10px; align-items: center; color: var(--muted); cursor: pointer; }
.check input { accent-color: var(--gold); width: 18px; height: 18px; }

.primary {
  font: inherit; font-weight: 600; letter-spacing: 0.03em; cursor: pointer;
  border: 0; border-radius: 999px; padding: 14px 22px; color: #1b1330;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  box-shadow: 0 6px 24px rgba(217, 180, 95, 0.25);
}
.primary:hover { filter: brightness(1.06); }
.primary:disabled { opacity: 0.6; cursor: progress; }
.ghost {
  font: inherit; cursor: pointer; color: var(--gold-soft); background: transparent;
  border: 1px solid var(--line); border-radius: 999px; padding: 10px 18px;
}
.ghost:hover { background: rgba(217, 180, 95, 0.1); }

.reading { margin-top: 32px; }
.question-echo { text-align: center; font-family: var(--serif); font-size: 1.25rem; color: var(--gold-soft); margin: 0 0 18px; word-break: break-word; }
.slots { display: flex; flex-wrap: wrap; justify-content: center; gap: 28px 24px; }
.slot { width: min(100%, 300px); display: grid; justify-items: center; gap: 12px; }
.slot-label { color: var(--gold); font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase; }

.card { width: var(--card-w); height: var(--card-h); perspective: 900px; background: none; border: 0; padding: 0; cursor: pointer; color: inherit; font: inherit; }
.card-inner { position: relative; width: 100%; height: 100%; transition: transform 0.7s cubic-bezier(.2,.7,.2,1); transform-style: preserve-3d; }
.card.flipped .card-inner { transform: rotateY(180deg); }
.face { position: absolute; inset: 0; border-radius: 12px; backface-visibility: hidden; -webkit-backface-visibility: hidden; overflow: hidden; }

.back {
  border: 2px solid var(--gold);
  background:
    radial-gradient(circle at 50% 50%, rgba(217,180,95,.25) 0 14px, transparent 15px),
    repeating-conic-gradient(from 0deg at 50% 50%, rgba(217,180,95,.18) 0 10deg, transparent 10deg 20deg),
    linear-gradient(160deg, #2a1d5c, #140d33);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 0 5px #140d33 inset, 0 0 0 6px rgba(217,180,95,.5) inset;
}
.back::after { content: "✦"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--gold); font-size: 2.2rem; }

.front {
  transform: rotateY(180deg);
  background: linear-gradient(170deg, #f6ecd2, #e6d4a4);
  color: #2a1d4a; border: 2px solid var(--gold);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.front-inner { position: absolute; inset: 8px; border: 1px solid rgba(42, 29, 74, 0.5); border-radius: 8px; display: grid; grid-template-rows: auto 1fr auto; justify-items: center; padding: 8px 6px; text-align: center; }
.card.reversed .front-inner { transform: rotate(180deg); }
.numeral { font-family: var(--serif); font-size: 1.05rem; letter-spacing: 0.1em; min-height: 1.4em; }
.emblem { display: grid; place-items: center; width: 100%; }
.emblem .glyph { font-family: var(--serif); font-size: 3.4rem; line-height: 1; color: #4a2f8f; font-variant-emoji: text; }
.emblem svg { width: 62px; height: 62px; fill: none; stroke: #4a2f8f; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.card-name { font-family: var(--serif); font-weight: 700; font-size: 0.98rem; line-height: 1.2; padding-bottom: 2px; }

.meaning { text-align: center; min-height: 3.4em; }
.meaning .pending { color: var(--muted); font-size: 0.85rem; }
.meaning h3 { margin: 0; font-family: var(--serif); font-size: 1.3rem; color: var(--gold-soft); }
.meaning .orient { display: inline-block; margin: 4px 0 6px; padding: 1px 10px; border-radius: 999px; font-size: 0.75rem; border: 1px solid var(--line); color: var(--gold); }
.meaning .orient.rev { color: #f0a3a3; border-color: rgba(240, 163, 163, 0.5); }
.meaning p { margin: 0; color: var(--text); font-size: 0.95rem; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 30px; }

footer { text-align: center; color: var(--muted); font-size: 0.82rem; padding: 40px 0 28px; }
footer p { margin: 4px 0; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@keyframes deal { from { opacity: 0; transform: translateY(-24px) scale(0.92); } to { opacity: 1; transform: none; } }
.slot { animation: deal 0.5s ease both; }
.slot:nth-child(2) { animation-delay: 0.12s; }
.slot:nth-child(3) { animation-delay: 0.24s; }

@media (max-width: 480px) {
  :root { --card-w: 128px; --card-h: 218px; }
  .panel { padding: 18px; }
  .emblem .glyph { font-size: 2.8rem; }
  .emblem svg { width: 52px; height: 52px; }
}
@media (prefers-reduced-motion: reduce) {
  .card-inner { transition: none; }
  .slot { animation: none; }
}