/* Karaoke Consensus — dark-first, KTV-readable, zero deps. */
:root {
  --bg: #121016;
  --card: #1c1922;
  --ink: #f4f1fa;
  --muted: #a79fb8;
  --accent: #8b5cf6;
  --accent-ink: #fff;
  --ok: #34d399;
  --err: #f87171;
  --chip: #2a2534;
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}
.wrap { max-width: 560px; margin: 0 auto; padding: 20px 16px 48px; }
.hero h1 { margin: 8px 0 4px; font-size: 1.7rem; }
.sub { color: var(--muted); margin: 0 0 16px; }
.card {
  background: var(--card); border-radius: var(--radius);
  padding: 18px 16px; margin: 12px 0;
  box-shadow: 0 2px 12px rgba(0,0,0,.35);
}
.hidden { display: none !important; }
.label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; }
.code { font-family: ui-monospace, monospace; }
.code.big { font-size: 1.9rem; font-weight: 700; letter-spacing: .08em; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: .85rem; }
.err { color: var(--err); min-height: 1.2em; }
.ok { color: var(--ok); }

.btn {
  background: var(--chip); color: var(--ink); border: 0;
  border-radius: 10px; padding: 12px 16px; font-size: 1rem;
  min-height: 44px; cursor: pointer;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); font-weight: 700; }
.btn.big { width: 100%; margin-top: 10px; font-size: 1.1rem; }
.btn.small { padding: 8px 12px; min-height: 44px; font-size: .9rem; }
.btn.danger { background: transparent; border: 1px solid var(--err); color: var(--err); }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.input {
  flex: 1; background: #100e14; color: var(--ink);
  border: 1px solid #38324a; border-radius: 10px;
  padding: 12px; font-size: 1rem; min-height: 44px; min-width: 0;
}
.input.code { text-transform: uppercase; font-family: ui-monospace, monospace; }
.row { display: flex; gap: 8px; margin-top: 10px; }
.col { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.divider { display: flex; align-items: center; gap: 10px; color: var(--muted); margin: 16px 0 4px; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: #38324a; }

.room-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 8px; }
.room-actions { display: flex; gap: 8px; }
.qr { display: block; margin: 12px auto; background: #fff; border-radius: 8px; image-rendering: pixelated; }

.slots { list-style: none; margin: 8px 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.slot {
  display: flex; align-items: center; gap: 10px;
  background: #100e14; border: 1px solid #38324a; border-radius: 10px; padding: 10px 12px;
}
.slot img { width: 40px; height: 40px; border-radius: 6px; object-fit: cover; background: var(--chip); }
.slot .who { font-weight: 700; }
.slot .meta { color: var(--muted); font-size: .85rem; }
.slot .x { margin-left: auto; background: none; border: 0; color: var(--muted); font-size: 1.2rem; min-width: 44px; min-height: 44px; cursor: pointer; }
.slot.empty { border-style: dashed; color: var(--muted); }

.fallback, .howto { margin-top: 12px; color: var(--muted); }
.fallback summary, .howto summary { cursor: pointer; padding: 8px 0; min-height: 44px; }

.results h3 { margin: 18px 0 8px; }
.summary { color: var(--muted); }
.song {
  display: flex; gap: 10px; align-items: center;
  padding: 8px 0; border-top: 1px solid #2a2534;
}
.song img { width: 44px; height: 44px; border-radius: 6px; background: var(--chip); }
.song .t { font-weight: 600; }
.song .a { color: var(--muted); font-size: .9rem; }
.chips { display: flex; gap: 4px; margin-top: 2px; flex-wrap: wrap; }
.chip { background: var(--chip); border-radius: 20px; padding: 1px 8px; font-size: .75rem; }
.chip-b { background: #312e81; } .chip-c { background: #134e4a; }
.chip-d { background: #713f12; } .chip-e { background: #701a75; }

.foot { text-align: center; font-size: .8rem; padding-bottom: 24px; }
@media (min-width: 700px) {
  .hero h1 { font-size: 2.1rem; }
}