/*
 * Shared chrome.
 *
 * Colours are custom properties so a theme change is a `data-theme` swap, not
 * a reload — Element pushes theme changes at runtime. Values approximate
 * Element's Compound tokens so widgets look native in the right panel.
 */

:root {
  --bg: #ffffff;
  --bg-subtle: #f4f6fa;
  --fg: #1b1d22;
  --fg-muted: #737d8c;
  --border: #e3e8f0;
  --accent: #0dbd8b;
  --danger: #d51928;
  --radius: 8px;
  --gap: 12px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

[data-theme="dark"] {
  --bg: #16191e;
  --bg-subtle: #21262c;
  --fg: #edf3ff;
  --fg-muted: #a9b2bc;
  --border: #34383d;
  --accent: #0bc491;
  --danger: #ff5b55;
}

* { box-sizing: border-box; }

html, body { margin: 0; height: 100%; }

body.app {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
  color: var(--fg);
  background: var(--bg);
  /* The right panel is ~320-400px wide; never assume more. */
  overflow-x: hidden;
}

.root, .page {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: var(--gap);
  gap: var(--gap);
}

.page { max-width: 720px; margin: 0 auto; }

.muted { color: var(--fg-muted); }

code, pre { font-family: var(--mono); font-size: 12px; }

/* Boot ------------------------------------------------------------------ */

.boot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--gap);
  padding: 32px 0;
  color: var(--fg-muted);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; }
}

.boot__text { margin: 0; }

/* Panels ---------------------------------------------------------------- */

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-subtle);
  padding: var(--gap);
}

.panel--error { border-color: var(--danger); }

.panel__title {
  margin: 0 0 var(--gap);
  font-size: 15px;
  overflow-wrap: anywhere;
}

.kv {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px var(--gap);
  margin: 0 0 var(--gap);
}

.kv dt { color: var(--fg-muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }

/* Live state ------------------------------------------------------------ */

.state {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--gap);
}

.state__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

.state__text { font-weight: 600; }
.state__meta { margin-left: auto; font-size: 12px; }

.btn {
  font: inherit;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 12px;
  cursor: pointer;
}

.btn:hover { border-color: var(--accent); }

/* Catalogue ------------------------------------------------------------- */

.page__head h1 { margin: 0 0 4px; font-size: 20px; }
.page__head p { margin: 0; }

.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--gap); }

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--gap);
}

.card__title { margin: 0 0 4px; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.card__desc { margin: 0 0 var(--gap); color: var(--fg-muted); }
.card__caps { margin-bottom: var(--gap); }
.card__caps ul { margin: 8px 0 0; padding-left: 20px; }

.card__add {
  margin: 0;
  padding: 8px;
  background: var(--bg-subtle);
  border-radius: var(--radius);
  overflow-x: auto;
}

.tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
}

.tag--muted { background: var(--border); color: var(--fg-muted); }

/* Media player ---------------------------------------------------------- */

.player { display: flex; flex-direction: column; gap: var(--gap); }
.player__title { font-weight: 600; overflow-wrap: anywhere; }
.player__artist { font-size: 13px; }

.progress {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.progress__fill { height: 100%; background: var(--accent); }

.player__controls { display: flex; gap: 8px; align-items: center; }

.btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; }

.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn:disabled:hover { border-color: var(--border); }

.player__meta { font-size: 12px; }

.error { color: var(--danger); margin: 0; }