/* ─────────────────────────────
   ShakaTV – global theme setup
   ───────────────────────────── */
:root {
  /* dark defaults */
  --c-bg: #1a1a1a;
  --c-bg-alt: #2d2d2d;
  --c-card: rgba(0 0 0 / 0.9);
  --c-text: #ffffff;
  --c-text-muted: rgba(255 255 255 / 0.7);
  --c-accent: #e74c3c;
  --c-success: #2ecc71;
  --c-info: #3498db;
  --c-warning: #f39c12;
  --c-progress: #2ecc71;
}

body.theme-light {
  --c-bg: #f7f7f7;
  --c-bg-alt: #ffffff;
  --c-card: #ffffff;
  --c-text: #222222;
  --c-text-muted: #555555;
  --c-accent: #e74c3c;
  --c-success: #27ae60;
  --c-info: #2980b9;
  --c-warning: #d35400;
  --c-progress: #27ae60;
}
/* base reset */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: linear-gradient(135deg, var(--c-bg) 0%, var(--c-bg-alt) 100%);
  color: var(--c-text);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  overflow: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

/* ───────── header ───────── */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 25px;
  background: rgba(0 0 0 / 0.8);
  border-bottom: 2px solid #333;
}
body.theme-light .header {
  background: rgba(255 255 255 / 0.8);
  border-color: #ddd;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 30px;
  height: 30px;
  background: var(--c-accent);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}
.logo-text {
  font-size: 24px;
  font-weight: bold;
}
.live-badge {
  background: var(--c-accent);
  padding: 4px 12px;
  border-radius: 15px;
  font-size: 12px;
  font-weight: bold;
}
.search-container {
  display: flex;
  align-items: center;
  gap: 15px;
}
.search-box {
  background: rgba(255 255 255 / 0.1);
  border: 1px solid rgba(255 255 255 / 0.2);
  border-radius: 20px;
  padding: 8px 15px;
  color: var(--c-text);
  outline: none;
  width: 250px;
  transition: background .3s, border .3s;
}
body.theme-light .search-box {
  background: rgba(0 0 0 / 0.03);
  border-color: rgba(0 0 0 / 0.1);
  color: #222;
}
.search-box::placeholder {
  color: var(--c-text-muted);
}
.settings-btn,
.theme-btn {
  background: rgba(255 255 255 / 0.1);
  border: 1px solid rgba(255 255 255 / 0.2);
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--c-text);
  cursor: pointer;
  transition: background .3s;
}
body.theme-light .settings-btn,
body.theme-light .theme-btn {
  background: rgba(0 0 0 / 0.05);
  border-color: rgba(0 0 0 / 0.1);
  color: #222;
}
.settings-btn:hover,
.theme-btn:hover {
  background: rgba(255 255 255 / 0.2);
}
body.theme-light .settings-btn:hover,
body.theme-light .theme-btn:hover {
  background: rgba(0 0 0 / 0.08);
}

/* ───────── layout ───────── */
.main-content {
  display: flex;
  height: calc(100vh - 80px);
}
.video-section {
  flex: 1;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.video-player {
  width: 100%;
  height: 100%;
  background: #111;
}

/* spinner */
.loading-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  border: 3px solid rgba(255 255 255 / 0.3);
  border-top: 3px solid var(--c-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  z-index: 1000;
}
@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* ───────── sidebar ───────── */
.channels-sidebar {
  width: 350px;
  background: var(--c-card);
  border-left: 2px solid #333;
  overflow-y: auto;
}
body.theme-light .channels-sidebar {
  border-color: #e0e0e0;
}
.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid #333;
}
body.theme-light .sidebar-header {
  border-color: #e0e0e0;
}
.channels-title {
  font-size: 18px;
  font-weight: bold;
  color: var(--c-accent);
  margin-bottom: 10px;
}
.channels-count {
  font-size: 14px;
  color: var(--c-text-muted);
  margin-bottom: 15px;
}
.control-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.test-btn {
  background: var(--c-success);
  border: none;
  border-radius: 20px;
  padding: 8px 16px;
  color: #fff;
  cursor: pointer;
  font-size: 12px;
  font-weight: bold;
  transition: all .3s;
}
.test-btn:hover {
  background: #27ae60;
  transform: scale(1.05);
}
.test-btn:disabled {
  background: #7f8c8d;
  cursor: not-allowed;
  transform: none;
}

.test-progress {
  margin-top: 10px;
  display: none;
}
.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255 255 255 / 0.2);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 5px;
}
body.theme-light .progress-bar {
  background: rgba(0 0 0 / 0.1);
}
.progress-fill {
  height: 100%;
  background: var(--c-progress);
  width: 0%;
  transition: width .3s;
}
.test-status {
  font-size: 12px;
  color: var(--c-text-muted);
}

/* legend */
.status-legend {
  display: flex;
  gap: 15px;
  margin-top: 10px;
  font-size: 11px;
  flex-wrap: wrap;
}
.status-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.status-working {
  background: var(--c-success);
}
.status-untested {
  background: var(--c-warning);
}
.status-offline {
  background: #7f8c8d;
}
.status-testing {
  background: var(--c-info);
  animation: pulse 1s infinite;
}
@keyframes pulse {
  50% {
    opacity: 0.5;
  }
}

.category-filters {
  display: flex;
  gap: 10px;
  margin-top: 15px;
  flex-wrap: wrap;
}
.category-btn {
  background: rgba(255 255 255 / 0.1);
  border: none;
  border-radius: 15px;
  padding: 6px 12px;
  color: var(--c-text);
  cursor: pointer;
  font-size: 12px;
  transition: background .3s;
}
body.theme-light .category-btn {
  background: rgba(0 0 0 / 0.05);
  color: #222;
}
.category-btn.active {
  background: var(--c-accent);
}
.category-btn:hover {
  background: rgba(255 255 255 / 0.2);
}
body.theme-light .category-btn:hover {
  background: rgba(0 0 0 / 0.1);
}

/* channels list */
.channels-list {
  padding: 10px;
}
.channel-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background .3s;
  margin-bottom: 5px;
  position: relative;
}
.channel-item:hover {
  background: rgba(255 255 255 / 0.1);
}
body.theme-light .channel-item:hover {
  background: rgba(0 0 0 / 0.04);
}
.channel-item.active {
  background: rgba(231 76 60 / 0.2);
  border-left: 4px solid var(--c-accent);
}
.channel-number {
  background: var(--c-accent);
  color: #fff;
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 12px;
  font-weight: bold;
  min-width: 25px;
  text-align: center;
}
.channel-info {
  flex: 1;
}
.channel-name {
  font-weight: bold;
  margin-bottom: 2px;
}
.channel-category {
  font-size: 12px;
  color: var(--c-text-muted);
}
.channel-actions {
  display: flex;
  align-items: center;
  gap: 5px;
}
.favorite-btn {
  background: none;
  border: none;
  color: var(--c-text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 2px;
  transition: color .3s;
}
.favorite-btn.active {
  color: var(--c-warning);
}
.favorite-btn:hover {
  color: var(--c-accent);
}

/* no channels */
.no-channels {
  text-align: center;
  padding: 40px 20px;
  color: var(--c-text-muted);
}

.category-btn[data-category="beta"] {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  color: white;
}

.category-btn[data-category="beta"]:hover {
  background: linear-gradient(45deg, #ff5252, #26a69a);
}

.category-btn[data-category="kids"] {
  background: linear-gradient(45deg, #ff9a9e, #fecfef);
  color: #333;
}

.category-btn[data-category="kids"]:hover {
  background: linear-gradient(45deg, #ff8a95, #fdbdeb);
}

/* ───────── responsive tweaks (unchanged) ───────── */
/* retain all previous @media blocks here … */
/* For brevity, existing responsive code from the earlier file
   can stay exactly as it was. */

/* Responsive adjustments */
@media (max-width: 1200px) {
  .channels-sidebar {
    width: 300px;
  }
}

@media (max-width: 768px) {
  .main-content {
    flex-direction: column;
  }

  .video-section {
    height: 250px;
    min-height: 250px;
    order: 2;
  }

  .channels-sidebar {
    width: 100%;
    height: auto;
    max-height: calc(100vh - 330px);
    order: 3;
    border-left: none;
    border-top: 2px solid #333;
  }

  body.theme-light .channels-sidebar {
    border-color: #e0e0e0;
  }
}