:root {
  --bg: #0d0a1e; --panel: #1a1438; --panel2: #221a4a; --line: #3a2f72;
  --text: #f1ecff; --muted: #a79dd2; --gold: #e0b862; --gold-soft: #e0b86233;
  --violet: #9b7bff; --ok: #5fd38d; --warn: #ffbf5a; --bad: #ff6b7a; --r: 16px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh; color: var(--text);
  font-family: 'Noto Sans Thai', system-ui, sans-serif; font-size: 16px; line-height: 1.55;
  background: radial-gradient(900px 520px at 50% -8%, #33246e 0%, transparent 65%), radial-gradient(700px 400px at 100% 100%, #2a1240 0%, transparent 60%), var(--bg);
  background-attachment: fixed;
}
body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .7;
  background-image:
    radial-gradient(1.2px 1.2px at 12% 18%, #fff 50%, transparent 51%), radial-gradient(1px 1px at 78% 12%, #fff 50%, transparent 51%),
    radial-gradient(1.4px 1.4px at 64% 44%, #ffe9b8 50%, transparent 51%), radial-gradient(1px 1px at 30% 70%, #fff 50%, transparent 51%),
    radial-gradient(1.2px 1.2px at 88% 82%, #fff 50%, transparent 51%), radial-gradient(1px 1px at 46% 92%, #ffe9b8 50%, transparent 51%),
    radial-gradient(1px 1px at 6% 56%, #fff 50%, transparent 51%), radial-gradient(1.3px 1.3px at 92% 38%, #fff 50%, transparent 51%);
  animation: twinkle 6s ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: .35; } to { opacity: .8; } }
body > * { position: relative; z-index: 1; }
.serif { font-family: 'Cinzel', 'Noto Serif Thai', serif; }
h1, h2, h3 { font-family: 'Noto Serif Thai', serif; margin: 0; line-height: 1.3; }
button { font: inherit; color: inherit; cursor: pointer; }
input, textarea, select { font: inherit; color: var(--text); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--line); background: var(--panel2); border-radius: 999px; padding: 11px 20px; font-weight: 600;
  transition: transform .15s, background .2s, opacity .2s;
}
.btn:hover { background: #2c2260; }
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }
.btn.primary { background: linear-gradient(135deg, #f0cd7c, #c9973f); color: #22160a; border-color: transparent; box-shadow: 0 6px 24px #e0b86240; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--bad); border-color: #ff6b7a55; background: transparent; }
.btn.sm { padding: 7px 14px; font-size: 14px; }
.btn.block { width: 100%; }
.link { background: none; border: 0; color: var(--muted); text-decoration: underline; text-underline-offset: 3px; padding: 6px; }

.panel { background: color-mix(in srgb, var(--panel) 88%, transparent); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; backdrop-filter: blur(6px); }
.field { display: block; margin-bottom: 18px; }
.field > span, .label { display: block; font-size: 14px; color: var(--muted); margin-bottom: 7px; }
.input { width: 100%; background: #120e2a; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; outline: none; transition: border-color .2s, box-shadow .2s; }
.input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-soft); }
textarea.input { resize: vertical; min-height: 96px; }
.count { display: block; text-align: right; font-size: 12px; color: var(--muted); margin-top: 4px; }
.err { color: var(--bad); min-height: 1.4em; margin: 10px 0 0; font-size: 14px; text-align: center; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { border: 1px solid var(--line); background: #120e2a; border-radius: 999px; padding: 7px 14px; font-size: 14px; }
.chip.on { border-color: var(--gold); background: var(--gold-soft); color: #ffe7b3; }

/* 3D flip card */
.card3d { perspective: 900px; aspect-ratio: 200 / 340; width: 100%; }
.card3d .inner { position: relative; width: 100%; height: 100%; transform-style: preserve-3d; transition: transform .8s cubic-bezier(.3, 1.3, .5, 1); }
.card3d.flipped .inner { transform: rotateY(180deg); }
.card3d .face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 6%/3.5%; overflow: hidden; box-shadow: 0 8px 26px #0008; }
.card3d .face img, .card3d .face svg { display: block; width: 100%; height: 100%; }
.card3d .front { transform: rotateY(180deg); }
.card3d.rev .front > * { transform: rotate(180deg); }
.card3d.flipped .face.front { box-shadow: 0 0 0 1px #e0b86266, 0 10px 40px #e0b86240; }
.cardsvg { display: block; width: 100%; height: auto; }
.cardimg { display: block; width: 100%; height: 100%; object-fit: cover; background: #f4ead3; }

.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); background: #120e2a; color: var(--muted); white-space: nowrap; }
.pill.gold { color: #ffe1a1; border-color: #e0b86266; background: var(--gold-soft); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); display: inline-block; }
.dot.waiting { background: var(--warn); } .dot.reading { background: var(--ok); box-shadow: 0 0 8px var(--ok); } .dot.done { background: #6c6493; }
.orient-up { color: var(--ok); } .orient-down { color: var(--warn); }
.hidden { display: none !important; }
@media (prefers-reduced-motion: reduce) { *, *::before { animation: none !important; transition: none !important; } }