*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #0d141a;
  --bg-2: #15212a;
  --panel: #1d2b35cc;
  --panel-solid: #1d2b35;
  --line: #6ec2c266;
  --text: #edf7f6;
  --text-dim: #b6cdca;
  --mint: #8de2d6;
  --coral: #ff9d7a;
  --warn: #ffcf7a;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  background:
    radial-gradient(circle at 20% -10%, #2f645f 0%, transparent 35%),
    radial-gradient(circle at 80% 0%, #5f3f38 0%, transparent 32%),
    linear-gradient(160deg, var(--bg), var(--bg-2));
  color: var(--text);
  font-family: "Noto Sans TC", "M PLUS 1p", sans-serif;
  letter-spacing: 0.2px;
}

.bg-aura {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 30%, #8de2d61f, transparent 45%),
    radial-gradient(circle at 90% 70%, #ff9d7a17, transparent 40%);
  z-index: -1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: #0d141adb;
  border-bottom: 1px solid #6ec2c238;
  padding: 14px 16px 10px;
}

.title-wrap h1 {
  margin: 0;
  font-family: "M PLUS 1p", sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--mint);
}

.title-wrap p {
  margin: 4px 0 10px;
  color: var(--text-dim);
  font-size: 0.78rem;
}

.status-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 0.85rem;
}

#live-count {
  color: var(--mint);
  font-weight: 700;
}

#countdown {
  color: var(--coral);
}

#updated-at {
  color: var(--text-dim);
}

.lang-label {
  color: var(--text-dim);
}

#lang-select {
  background: #21303a;
  color: var(--text);
  border: 1px solid #6ec2c24d;
  border-radius: 8px;
  padding: 3px 8px;
}

.mode-btn {
  border: 1px solid #8de2d699;
  color: var(--mint);
  background: #0c1218;
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 0.8rem;
  cursor: pointer;
}

.mode-btn:hover {
  background: #1a2730;
}

.stale-banner {
  margin-top: 10px;
  padding: 8px 10px;
  border: 1px solid #ffcf7a80;
  background: #332d1a;
  color: #ffe9b8;
  border-radius: 8px;
  font-size: 0.82rem;
}

.hidden {
  display: none !important;
}

.stream-grid {
  max-width: 1480px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.stream-card {
  position: relative;
  display: block;
  color: inherit;
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 10px 24px #00000035;
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.stream-card:hover {
  transform: translateY(-3px);
  border-color: #8de2d6;
}

.thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #050709;
}

.thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.source-tag {
  position: absolute;
  left: 8px;
  top: 8px;
  font-size: 0.68rem;
  border-radius: 999px;
  padding: 3px 8px;
  letter-spacing: 0.3px;
  background: #112028e6;
  color: #b9ece5;
  border: 1px solid #8de2d666;
}

.source-keyword {
  background: #2a1e17eb;
  color: #ffd1bf;
  border-color: #ff9d7a70;
}

.card-body {
  padding: 10px 12px 12px;
}

.title {
  margin: 0;
  line-height: 1.35;
  font-size: 0.9rem;
  font-weight: 700;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.channel {
  margin: 7px 0 0;
  color: var(--text-dim);
  font-size: 0.82rem;
}

.meta {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  color: var(--text-dim);
  font-size: 0.76rem;
}

.meta b {
  color: var(--text);
}

.empty-state {
  grid-column: 1 / -1;
  border: 1px dashed #6ec2c250;
  border-radius: 14px;
  background: #1b27314d;
  padding: 44px 18px;
  text-align: center;
  color: var(--text-dim);
}

.overlay {
  position: fixed;
  inset: 0;
  background: #0b1117fa;
  z-index: 200;
}

.overlay-body {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

#player-iframe {
  width: 100%;
  height: min(72vh, calc(100vh - 170px));
  border: none;
  background: #000;
}

.player-info {
  padding: 10px 14px;
  background: var(--panel-solid);
  border-top: 1px solid #6ec2c240;
  font-size: 0.86rem;
}

.overlay-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-dim);
}

.overlay-nav.vertical {
  position: fixed;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  flex-direction: column;
  z-index: 210;
}

.overlay-nav.horizontal {
  padding: 10px 0;
}

.nav-btn {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid #6ec2c266;
  background: #17212a;
  color: var(--text);
  cursor: pointer;
}

.nav-btn:hover {
  border-color: #8de2d6;
}

.overlay-close {
  position: fixed;
  right: 10px;
  top: 10px;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid #6ec2c266;
  background: #162029;
  color: var(--text);
  cursor: pointer;
  z-index: 210;
}

.overlay-close:hover {
  border-color: var(--coral);
}

.multi-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  gap: 2px;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
}

.multi-cell {
  position: relative;
  background: #000;
  overflow: hidden;
}

.multi-cell iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.multi-cell-label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: #0f141bcc;
  color: #d5e8e6;
  font-size: 0.66rem;
  padding: 2px 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.multi-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #789593;
  font-size: 0.75rem;
}

.site-footer {
  border-top: 1px solid #6ec2c235;
  color: var(--text-dim);
  text-align: center;
  font-size: 0.78rem;
  padding: 12px 10px 16px;
}

.site-footer .sep {
  margin: 0 8px;
}

@media (max-width: 720px) {
  .stream-grid {
    grid-template-columns: 1fr;
    padding: 10px;
  }

  #player-iframe {
    height: min(58vh, calc(100vh - 185px));
  }

  .overlay-nav.vertical {
    right: 6px;
  }

  .nav-btn {
    width: 34px;
    height: 34px;
  }
}