:root {
  color-scheme: dark;
  --background: #080b12;
  --surface: #111827;
  --surface-soft: #1f2937;
  --border: #374151;
  --text: #f9fafb;
  --muted: #cbd5e1;
  --accent: #7c3aed;
  --accent-hover: #8b5cf6;
  --focus: #c4b5fd;
  --danger: #fca5a5;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 15%, rgba(124, 58, 237, .22), transparent 32rem),
    var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input { font: inherit; }

button {
  min-height: 44px;
  border: 0;
  border-radius: .75rem;
  padding: .75rem 1.1rem;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 700;
  transition: background-color 160ms ease, transform 160ms ease;
}

button:hover { background: var(--accent-hover); }
button:active { transform: translateY(1px); }

button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

[hidden] { display: none !important; }

.app-shell { min-height: 100dvh; }

.welcome-card {
  width: min(92vw, 34rem);
  margin: 0 auto;
  padding: clamp(2rem, 8vh, 6rem) 0 2rem;
}

.eyebrow {
  margin: 0 0 .75rem;
  color: #c4b5fd;
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(2.35rem, 8vw, 4.5rem);
  line-height: .98;
  letter-spacing: -.055em;
}

.lead {
  margin: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.65;
}

label {
  display: block;
  margin-bottom: .5rem;
  color: var(--muted);
  font-size: .9rem;
  font-weight: 650;
}

label span { font-weight: 400; }

input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: .75rem;
  padding: .75rem .9rem;
  background: rgba(17, 24, 39, .86);
  color: var(--text);
}

#create-room {
  width: 100%;
  margin-top: 1rem;
}

.privacy-note,
.music-tip,
.status-message {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.5;
}

.privacy-note { text-align: center; }

.meeting-view {
  display: grid;
  min-height: 100dvh;
  grid-template-rows: auto auto auto 1fr;
  gap: .75rem;
  padding: .75rem;
}

.meeting-bar {
  display: flex;
  align-items: end;
  gap: .75rem;
}

.invite-group { flex: 1; min-width: 0; }
.invite-group label { margin-bottom: .25rem; }
.invite-group input { min-height: 44px; }

.music-tip,
.status-message { margin: 0; }

.status-message:not(:empty) { color: #ddd6fe; }

.call-layout {
  display: grid;
  min-height: 0;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: .75rem;
}

.secondary-button {
  justify-self: start;
  background: var(--surface-soft);
  border: 1px solid var(--border);
}

.jitsi-container {
  min-height: 70dvh;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
}

.music-panel {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1rem;
  background: var(--surface);
}

.music-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: .75rem;
}

.music-heading .eyebrow { margin-bottom: .25rem; }
.music-heading h2 { margin: 0; font-size: 1.2rem; }

.music-status {
  color: var(--muted);
  font-size: .75rem;
  text-align: right;
}

.youtube-player-wrap {
  aspect-ratio: 16 / 9;
  margin: 1rem 0;
  overflow: hidden;
  border-radius: .75rem;
  background: #000;
}

.youtube-player-wrap iframe { width: 100%; height: 100%; border: 0; }
#activate-music { width: 100%; }

.music-details { margin: 1rem 0; }
.music-details div { padding: .65rem 0; border-bottom: 1px solid var(--border); }
.music-details dt { color: var(--muted); font-size: .75rem; font-weight: 700; text-transform: uppercase; }
.music-details dd { margin: .25rem 0 0; overflow-wrap: anywhere; white-space: pre-line; }

#music-help summary { cursor: pointer; color: var(--muted); }
#music-help code { display: block; margin-top: .4rem; color: #ddd6fe; }

.jitsi-container iframe {
  display: block;
  border: 0;
}

@media (max-width: 820px) {
  .meeting-bar { align-items: stretch; flex-direction: column; }
  .meeting-bar button { width: 100%; }
  .call-layout { grid-template-columns: 1fr; }
  .jitsi-container { min-height: 70dvh; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}