:root {
  --bg: #0c0b0a;
  --card: #161412;
  --ink: #f4efe6;
  --muted: #a89f91;
  --line: #2a2622;
  --accent: #e8c07a;
  --danger: #e07a6a;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: "IwanMincho", "Songti TC", "Noto Serif TC", serif; }
.wrap { max-width: 720px; margin: 0 auto; padding: 28px 18px 80px; }
h1 { font-weight: 600; letter-spacing: 0.08em; margin: 0 0 8px; }
.sub, .hint, .label, label { color: var(--muted); font-size: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; margin: 16px 0; }
textarea, input[type="password"] {
  width: 100%; background: #0f0e0c; color: var(--ink); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px; font: inherit; resize: vertical;
}
label, .label { display: block; margin: 10px 0 6px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.between { justify-content: space-between; }
.gap { gap: 12px; margin: 8px 0 18px; }
.grid { display: grid; gap: 16px; }
button {
  background: #2a241c; color: var(--ink); border: 1px solid var(--line);
  border-radius: 999px; padding: 10px 16px; font: inherit; cursor: pointer;
}
button.primary { background: var(--accent); color: #1a140c; border-color: var(--accent); }
button.ghost { background: transparent; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { padding: 8px 12px; }
.chip.on { background: var(--accent); color: #1a140c; border-color: var(--accent); }
.lock { font-size: 13px; color: var(--accent); }
.toggle { display: flex; align-items: center; gap: 8px; color: var(--ink); }
.status { min-height: 1.5em; }
.err { color: var(--danger); min-height: 1.2em; }
.hidden { display: none !important; }
video { width: 100%; border-radius: 12px; background: #000; }
.gate { position: fixed; inset: 0; background: rgba(8,7,6,0.92); display: grid; place-items: center; z-index: 9; }
.gate-card { width: min(92vw, 360px); }
a { color: var(--accent); }
input[type="range"], input[type="file"] { width: 100%; }
h2 { font-size: 18px; font-weight: 600; margin: 0 0 8px; }
.prev { display: block; max-width: 100%; max-height: 220px; margin: 8px 0; border-radius: 10px; border: 1px solid var(--line); }
.reel { display: flex; gap: 8px; overflow-x: auto; margin-top: 12px; }
.reel video, .reel button { width: 140px; height: 80px; object-fit: cover; border-radius: 8px; padding: 0; }
@media (max-width: 520px) {
  .wrap { padding: 18px 12px 60px; }
  h1 { font-size: 22px; }
}