:root {
  color-scheme: dark;
  --bg: #0f1115;
  --surface: #181b22;
  --surface-2: #222631;
  --text: #e8eaf0;
  --muted: #9aa1b2;
  --accent: #5b8cff;
  --danger: #e5484d;
  --danger-text: #ffb4b6;
  --border: #333949;
  --on-accent: #ffffff;
  --art-from: #2a3142;
  --art-to: #161a22;
  --help-bg: #241f12;
  --help-border: #5b4a1f;
  --help-text: #f1e3c0;
  --help-link: #ffd77a;
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--accent); }

button, input, select {
  font: inherit;
  color: inherit;
}

button {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
button.danger { border-color: var(--danger); color: var(--danger-text); }
button.link { background: none; border: none; color: var(--muted); padding: 4px 8px; }
button.link:hover { color: var(--text); }

input, select {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--surface-2);
}
.brand { font-weight: 600; }
.host { color: var(--muted); flex: 1; }

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.panel {
  max-width: 520px;
  margin: 48px auto;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
}
.panel h1 { margin-top: 0; font-size: 1.4rem; }
.hint { color: var(--muted); }

.form { display: grid; grid-template-columns: 1fr 110px; gap: 12px; align-items: end; }
.form label { display: grid; gap: 6px; color: var(--muted); font-size: 0.9rem; }
.form button { grid-column: 1 / -1; }

.status { min-height: 1.4em; color: var(--muted); }
.status.error { color: var(--danger-text); }

.help {
  margin-top: 12px;
  padding: 14px 16px;
  border: 1px solid var(--help-border);
  border-radius: 8px;
  background: var(--help-bg);
  color: var(--help-text);
  font-size: 0.92rem;
}
.help p { margin: 0 0 8px; }
.help ol { margin: 0 0 8px; padding-left: 20px; }
.help a { color: var(--help-link); }
.help code { font-size: 0.9em; }

.pin {
  font-size: 3.5rem;
  letter-spacing: 0.3em;
  text-align: center;
  font-variant-numeric: tabular-nums;
  margin: 24px 0;
}

.settings {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: end;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.settings label { display: grid; gap: 6px; color: var(--muted); font-size: 0.85rem; }
.settings label.check { display: flex; align-items: center; gap: 8px; padding-bottom: 8px; }

.apps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 18px;
  margin-top: 12px;
}

.app {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  text-align: left;
  background: var(--surface);
}
.app .art {
  aspect-ratio: 3 / 4;
  width: 100%;
  object-fit: cover;
  background: linear-gradient(160deg, var(--art-from), var(--art-to));
  display: grid;
  place-items: center;
  font-size: 2.4rem;
  color: var(--muted);
}
.app .title { padding: 10px 12px; }
.app .badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 99px;
}

.stream {
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 10;
}
.stream video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}
.stream.idle { cursor: none; }
.stream.idle .stream-bar { opacity: 0; pointer-events: none; }
.stream.captured .stream-bar { opacity: 0; pointer-events: none; }

.stream-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  max-width: calc(100% - 32px);
  background: rgba(20, 22, 28, 0.85);
  color: #e6e8ee;
  border: 0;
  border-radius: var(--radius);
  padding: 10px 16px;
  font: inherit;
  cursor: pointer;
  transition: opacity 0.3s;
}
.stream.idle .stream-hint { opacity: 0.35; }

.stream-message {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  color: var(--muted);
  pointer-events: none;
}
.stream-message:empty { display: none; }

.stream-bar {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(20, 22, 28, 0.85);
  border-radius: var(--radius);
  padding: 8px 10px 8px 16px;
  transition: opacity 0.3s;
}
.stream-bar span { margin-right: 8px; }

.stats {
  position: absolute;
  top: 12px;
  left: 12px;
  margin: 0;
  background: rgba(0, 0, 0, 0.65);
  color: #cfe3ff;
  padding: 10px 12px;
  border-radius: 8px;
  font: 12px/1.5 ui-monospace, Consolas, monospace;
  pointer-events: none;
}

/* Appearance */

.appearance {
  width: min(560px, calc(100% - 32px));
  max-height: calc(100% - 32px);
  padding: 24px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.appearance::backdrop { background: rgba(0, 0, 0, 0.55); }
.appearance h2 { margin: 0 0 16px; font-size: 1.25rem; }
.appearance h3 { margin: 20px 0 10px; font-size: 1rem; }
.appearance fieldset { border: 0; margin: 0; padding: 0; }
.appearance legend { padding: 0; margin-bottom: 10px; color: var(--muted); font-size: 0.9rem; }

.themes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.theme {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  cursor: pointer;
  font-size: 0.9rem;
}
.theme input { position: absolute; opacity: 0; pointer-events: none; }
.theme:hover { border-color: var(--accent); }
.theme:has(input:checked) { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.theme:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.theme-swatch {
  display: flex;
  height: 34px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(127, 127, 127, 0.35);
}
.theme-swatch span { flex: 1; }
.theme-swatch.auto span:first-child { flex: 2; }

.colors {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 12px;
}
.colors label { display: grid; gap: 6px; color: var(--muted); font-size: 0.85rem; }
.colors input[type="color"] {
  width: 100%;
  height: 38px;
  padding: 3px;
  cursor: pointer;
}
.colors label.custom { color: var(--text); }
.contrast-warning { color: var(--danger-text); font-size: 0.85rem; min-height: 1.2em; margin: 10px 0 0; }

.dialog-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 20px;
}

@media (max-width: 600px) {
  main { padding: 16px; }
  .panel { margin: 16px auto; padding: 20px; }
  .stream-bar { flex-wrap: wrap; width: calc(100% - 32px); }
}