/* Design tokens */
:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --surface-2: #262626;
  --border: #333;
  --border-dim: #2a2a2a;
  --text: #e0e0e0;
  --text-dim: #888;
  --text-faint: #666;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #ef4444;
  --ok: #22c55e;
  --radius: 6px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

#app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  margin-bottom: 1rem;
}

header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

#peers {
  font-size: 0.9rem;
  color: var(--text-dim);
  background: var(--surface);
  padding: 0.3rem 0.8rem;
  border-radius: 1rem;
}

#peers.offline {
  color: #fff;
  background: var(--danger);
}

#player-container {
  position: relative;
  width: 100%;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
}

#player-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
}

#player {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
}

#loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.8);
  z-index: 10;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #333;
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

#loading-overlay p {
  margin-top: 1rem;
  color: var(--text-dim);
}

/* Custom player controls (Zen-style) */
#player-container.controls-hidden {
  cursor: none;
}

#big-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 84px;
  height: 84px;
  border-radius: 50%;
  border: none;
  background: rgba(22, 22, 22, 0.75);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: background 0.15s, transform 0.15s;
}

#big-play:hover {
  background: rgba(45, 45, 45, 0.85);
  transform: translate(-50%, -50%) scale(1.06);
}

#big-play svg {
  width: 34px;
  height: 34px;
  margin-left: 4px;
}

#big-play[hidden] {
  display: none;
}

#control-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.75rem;
  background: rgba(10, 10, 10, 0.5);
  z-index: 6;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

#player-container.controls-hidden #control-bar {
  transform: translateY(100%);
  opacity: 0;
}

.ctrl-btn {
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 0.3rem;
  display: flex;
  border-radius: 4px;
}

.ctrl-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.ctrl-btn svg {
  width: 18px;
  height: 18px;
}

/* The hidden attribute has no effect on inline SVG (not an HTML
   namespace element), so enforce it here. */
#control-bar svg[hidden] {
  display: none;
}

#control-bar input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
}

#control-bar input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: none;
}

#control-bar input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: none;
}

#seekbar {
  flex: 1;
}

#volume {
  width: 90px;
}

#time {
  font-size: 0.8rem;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

#player-container:fullscreen {
  border-radius: 0;
}

#player-container:fullscreen #player-wrapper {
  padding-top: 0;
  height: 100%;
}

#controls {
  margin-top: 1rem;
}

#url-form {
  display: flex;
  gap: 0.5rem;
}

#url-input {
  flex: 1;
  padding: 0.7rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: #fff;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

#url-input:focus {
  border-color: #555;
}

#url-input::placeholder {
  color: var(--text-faint);
}

#url-form button {
  padding: 0.7rem 1.5rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

#url-form button:hover {
  background: var(--accent-hover);
}

/* Two-column layout below the player: playlist left, room/chat right */
#main-cols {
  display: grid;
  grid-template-columns: 2fr 1fr; /* col-8 / col-4 */
  gap: 1.25rem;
  align-items: start;
  margin-top: 0.5rem;
}

@media (max-width: 900px) {
  #main-cols {
    grid-template-columns: 1fr;
  }
}

.section-title {
  margin-top: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-faint);
}

/* Playlist */
#queue-list {
  list-style: none;
  margin-top: 0.5rem;
}

#queue-empty {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-faint);
}

.queue-card {
  display: flex;
  gap: 0.75rem;
  padding: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  cursor: grab;
}

.queue-card.dragging {
  opacity: 0.4;
  cursor: grabbing;
}

.queue-drag {
  color: var(--text-faint);
  align-self: center;
  font-size: 0.9rem;
  padding: 0 0.15rem;
  user-select: none;
}

/* Inner card layout, shared by queue items and the now-playing block */
.card-body {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 0;
}

#now-playing {
  margin-top: 0.5rem;
}

.now-card {
  border-left: 3px solid var(--accent);
  cursor: default;
}

.queue-thumb {
  width: 160px;
  height: 90px;
  border-radius: 4px;
  background: #000;
  flex-shrink: 0;
  overflow: hidden;
}

.queue-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.queue-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.queue-title {
  font-size: 0.95rem;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.queue-meta {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.queue-preloaded {
  color: var(--ok);
  margin-left: 0.5rem;
}

.queue-card.queue-failed {
  border-color: var(--danger);
}

.queue-error {
  font-size: 0.8rem;
  color: var(--danger);
}

.queue-actions {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  justify-content: center;
}

.queue-play,
.queue-copy,
.queue-remove {
  background: none;
  border: none;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
}

.queue-copy:hover {
  color: var(--text);
  background: var(--surface-2);
}

.queue-play:hover {
  color: var(--accent);
  background: var(--surface-2);
}

.queue-remove:hover {
  color: var(--danger);
  background: var(--surface-2);
}

/* Chat (dummy until the real thing lands) */
#chat {
  margin-top: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#chat-messages {
  height: 220px;
  padding: 0.75rem;
  overflow-y: auto;
}

.chat-placeholder {
  font-size: 0.85rem;
  color: var(--text-faint);
}

#chat-input {
  border: none;
  border-top: 1px solid var(--border-dim);
  background: var(--bg);
  color: var(--text);
  padding: 0.6rem 0.75rem;
  font-size: 0.9rem;
  outline: none;
}

#chat-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#user-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

#user-list li {
  padding: 0.25rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

#user-list li.me {
  border-color: var(--accent);
  color: var(--text);
}

#buffer-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 4;
  pointer-events: none;
}

#buffer-spinner[hidden] {
  display: none;
}

#countdown[hidden] {
  display: none;
}

#countdown {
  position: absolute;
  top: 62%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.5rem 0.6rem 0.5rem 1.2rem;
  background: rgba(10, 10, 10, 0.85);
  border: 1px solid var(--border);
  border-radius: 2rem;
  z-index: 7;
}

#countdown-text {
  font-size: 0.95rem;
  color: var(--text);
  white-space: nowrap;
}

#countdown-cancel {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.3rem 0.9rem;
  border-radius: 1.2rem;
  font-size: 0.85rem;
  cursor: pointer;
}

#countdown-cancel:hover {
  border-color: var(--danger);
  color: var(--danger);
}

#toast {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 80%;
  padding: 0.6rem 1.2rem;
  background: rgba(10, 10, 10, 0.85);
  border: 1px solid var(--border);
  border-radius: 2rem;
  font-size: 0.9rem;
  color: var(--text);
  text-align: center;
  z-index: 8;
  pointer-events: none;
}

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

/* Webcam strip */
#webcam-strip {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

#webcam-strip:empty {
  display: none;
}

#webcam-strip video {
  width: 160px;
  height: 120px;
  border-radius: 6px;
  background: var(--surface);
  object-fit: cover;
  border: 2px solid #333;
}

#webcam-strip video.local {
  transform: scaleX(-1);
}

/* Webcam toggle button */
#webcam-toggle {
  padding: 0.3rem 0.8rem;
  background: var(--surface);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 1rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  margin-left: 0.5rem;
}

#webcam-toggle:hover {
  border-color: #555;
  color: var(--text);
}

#webcam-toggle.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}