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

html, body, #root {
  height: 100%;
}

body {
  background: #000;
  color: #e0e0e0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overflow: hidden;
}

/* App shell: video fills everything, UI floats on top */
.app {
  position: fixed;
  inset: 0;
  background: #000;
  /* height reserved for the fixed bottom status bar */
  --status-bar-height: 49px;
}

/* Fullscreen video stage: sits above the bottom status bar so the
   native video controls (play button) are never hidden behind it */
.stage {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: var(--status-bar-height);
  z-index: 0;
}

/* Player */
.player-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: #000;
  overflow: hidden;
}

.player-video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}

/* Offline overlay is controlled by React state, not CSS src tricks */
.player-offline {
  display: flex;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #555;
  letter-spacing: 0.05em;
}

/* Sidebar toggle button (far right, vertically centered) */
.sidebar-toggle {
  position: fixed;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  z-index: 30;
  width: 32px;
  height: 64px;
  border: none;
  border-radius: 8px 0 0 8px;
  background: rgba(20, 20, 20, 0.7);
  backdrop-filter: blur(8px);
  color: #e0e0e0;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  /* hidden by default; shown on interaction */
  opacity: 0;
  pointer-events: none;
  transition: right 0.25s ease, background 0.15s, opacity 0.3s ease;
}

.sidebar-toggle.visible {
  opacity: 1;
  pointer-events: auto;
}

.sidebar-toggle:hover {
  background: rgba(40, 40, 40, 0.85);
}

.sidebar-toggle.open {
  right: 340px;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 340px;
  z-index: 20;
  background: rgba(15, 15, 15, 0.82);
  backdrop-filter: blur(12px);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.25s ease;
  overflow: hidden;
}

.sidebar.collapsed {
  transform: translateX(100%);
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  padding: 16px;
  /* leave room for the bottom status bar */
  padding-bottom: 64px;
  overflow-y: auto;
}

/* StatusBar (fixed to bottom) */
.status-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 25;
  height: var(--status-bar-height);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  background: rgba(15, 15, 15, 0.85);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.875rem;
  white-space: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

.status-bar::-webkit-scrollbar {
  display: none;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.live {
  background: #22c55e;
  box-shadow: 0 0 6px #22c55e80;
}

.status-dot.offline {
  background: #555;
}

.status-text {
  font-weight: 600;
}

.status-separator {
  color: #444;
}

.status-source {
  color: #aaa;
}

.status-channel {
  color: #67e8f9;
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-channel.channel-transitioning {
  animation: channel-pulse 1.2s ease-in-out infinite;
}

.channel-switching {
  font-size: 0.75rem;
  font-weight: 600;
  color: #fbbf24;
  background: #713f12;
  padding: 1px 6px;
  border-radius: 3px;
  animation: switching-blink 1s step-end infinite;
}

.upstream-down-banner {
  color: #fecaca;
  background: #7f1d1d;
  border: 1px solid #ef4444;
  border-radius: 4px;
  padding: 3px 10px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.35);
}

@keyframes channel-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes switching-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.status-health {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-family: "SF Mono", "Fira Code", monospace;
}

.health-indicator {
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
}

.health-good {
  background: #14532d;
  color: #4ade80;
}

.health-warn {
  background: #713f12;
  color: #fbbf24;
}

.health-bad {
  background: #7f1d1d;
  color: #f87171;
}

.health-unknown {
  background: #333;
  color: #888;
}

.health-stats {
  color: #888;
}

.health-drops {
  color: #f87171;
}

/* AdminPanel */
.admin-panel {
  background: rgba(26, 26, 26, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 16px;
  flex-shrink: 0;
}

.admin-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #888;
  margin-bottom: 12px;
}

.source-buttons {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.source-btn {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid #333;
  border-radius: 4px;
  background: #2a2a2a;
  color: #ccc;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.15s;
}

.source-btn:hover {
  background: #333;
}

.source-btn.active {
  background: #164e63;
  border-color: #22d3ee;
  color: #67e8f9;
}

.reload-btn {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid #333;
  border-radius: 4px;
  background: #2a2a2a;
  color: #ccc;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
}

.reload-btn:hover {
  background: #333;
}

/* ChannelList */
.channel-list {
  background: rgba(26, 26, 26, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.channel-list-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #888;
  margin-bottom: 12px;
}

.channel-filters {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.channel-search {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid #333;
  border-radius: 4px;
  background: #2a2a2a;
  color: #e0e0e0;
  font-size: 0.875rem;
  outline: none;
}

.channel-search:focus {
  border-color: #555;
}

.channel-search::placeholder {
  color: #666;
}

.channel-group-filter {
  padding: 8px 10px;
  border: 1px solid #333;
  border-radius: 4px;
  background: #2a2a2a;
  color: #e0e0e0;
  font-size: 0.875rem;
  outline: none;
  width: 100%;
}

.channel-items {
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 4px;
  background: #2a2a2a;
  color: #e0e0e0;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 0.875rem;
  width: 100%;
}

.channel-item:hover {
  background: #333;
}

.channel-item.active {
  border-color: #22d3ee;
  background: #164e63;
}

.channel-logo {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  object-fit: contain;
  background: #1a1a1a;
  flex-shrink: 0;
}

.channel-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.channel-name {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.channel-group {
  font-size: 0.75rem;
  color: #888;
}

.channel-empty {
  padding: 24px;
  text-align: center;
  color: #666;
}

@media (max-width: 480px) {
  .sidebar {
    width: 100%;
  }
  .sidebar-toggle.open {
    right: calc(100% - 32px);
  }
}