/* KPop Mirror — a dance practice studio: dark room, mirror wall, lightstick pink.
   Layout: app = video stage on top, control deck below (side panel on wide screens). */
:root {
  --ink: #0b0614;
  --panel: #160f26;
  --panel-2: #222632;
  --line: #33245a;
  --text: #f7f2ff;
  --muted: #b0a3cf;
  --pink: #ff3fa4;
  --purple: #9b5cff;
  --cyan: #3fd8ff;
  --pink-soft: rgba(255, 63, 164, 0.18);
  --good: #5fe3b8;
  --warn: #ffc56b;
  --display: "Unbounded", "Arial Rounded MT Bold", system-ui, sans-serif;
  --body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font: 16px/1.5 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--pink); }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; margin: 0; line-height: 1.15; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--pink); outline-offset: 2px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 16px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--panel-2); color: var(--text);
  cursor: pointer; font-weight: 600; text-decoration: none; white-space: nowrap;
  transition: background .15s, border-color .15s, transform .1s;
}
.btn:hover { border-color: var(--muted); }
.btn:active { transform: scale(.97); }
.btn.primary { background: var(--pink); border-color: var(--pink); color: #1a0710; }
.btn.primary:hover { background: #ff6b9d; }
.btn.on { background: var(--pink-soft); border-color: var(--pink); color: var(--pink); }
.btn.icon { width: 44px; padding: 0; }
.btn.big { width: 64px; height: 64px; font-size: 22px; }
.btn:disabled { opacity: .4; cursor: not-allowed; }

.label {
  font: 600 11px/1 var(--body); letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
}
.lock { font-size: 11px; font-weight: 700; letter-spacing: .08em; color: var(--pink);
  border: 1px solid var(--pink); border-radius: 999px; padding: 2px 7px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}


/* Neon stage theme */
body {
  background-color: var(--ink);
  background-image:
    radial-gradient(900px 520px at 12% -8%, rgba(155, 92, 255, 0.28), transparent 60%),
    radial-gradient(760px 480px at 95% 4%, rgba(255, 63, 164, 0.22), transparent 60%),
    radial-gradient(900px 600px at 50% 110%, rgba(63, 216, 255, 0.10), transparent 60%);
  background-attachment: fixed;
}
.btn.primary {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  border-color: transparent; color: #fff;
  box-shadow: 0 6px 24px rgba(255, 63, 164, 0.35);
}
.btn.primary:hover { box-shadow: 0 8px 32px rgba(155, 92, 255, 0.45); transform: translateY(-1px); }
.btn:not(.primary) { background: rgba(255, 255, 255, 0.04); backdrop-filter: blur(6px); }
.btn:not(.primary):hover { border-color: var(--purple); }