:root {
  color-scheme: dark;
  --bg: #0b0e14;
  --panel: #131722;
  --panel2: #1b2130;
  --text: #e6e9ef;
  --muted: #8a92a6;
  --accent: #4f8cff;
  --danger: #ff5c5c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  height: 100vh;
  overflow: hidden;
}

#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  padding: 16px;
}

.login-box {
  background: var(--panel);
  border-radius: 12px;
  padding: 28px;
  width: 100%;
  max-width: 380px;
}

.login-box h1 {
  font-size: 1.2rem;
  margin: 0 0 20px;
  text-align: center;
}

.login-box label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin: 12px 0 4px;
}

.login-box input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #2a3142;
  background: var(--panel2);
  color: var(--text);
  font-size: 0.95rem;
}

.login-box button {
  width: 100%;
  margin-top: 20px;
  padding: 11px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  cursor: pointer;
}

.login-box button:disabled {
  opacity: 0.6;
  cursor: default;
}

#login-error {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 10px;
  text-align: center;
  min-height: 1.2em;
}

#app-screen {
  display: none;
  height: 100vh;
  flex-direction: column;
}

#app-screen.visible { display: flex; }
#login-screen.hidden { display: none; }

header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--panel);
  border-bottom: 1px solid #1f2430;
}

header h1 {
  font-size: 1rem;
  margin: 0;
  flex: 1;
}

header button {
  background: var(--panel2);
  border: 1px solid #2a3142;
  color: var(--text);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}

main {
  display: flex;
  flex: 1;
  min-height: 0;
}

#player-pane {
  flex: 2;
  background: black;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

#video {
  width: 100%;
  height: 100%;
  background: black;
}

#now-playing {
  position: absolute;
  top: 8px;
  left: 12px;
  font-size: 0.85rem;
  color: var(--muted);
  background: rgba(0,0,0,0.5);
  padding: 4px 10px;
  border-radius: 6px;
}

#sidebar {
  flex: 1;
  max-width: 340px;
  background: var(--panel);
  display: flex;
  flex-direction: column;
  border-left: 1px solid #1f2430;
  min-width: 260px;
}

#tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 10px 0;
}

.tab-btn {
  flex: 1 1 calc(50% - 6px);
  padding: 8px 6px;
  border-radius: 8px;
  border: 1px solid #2a3142;
  background: var(--panel2);
  color: var(--muted);
  cursor: pointer;
  font-size: 0.8rem;
  white-space: nowrap;
}

.tab-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

#back-btn {
  margin: 10px 10px 0;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #2a3142;
  background: var(--panel2);
  color: var(--text);
  cursor: pointer;
  font-size: 0.85rem;
  text-align: left;
}

#back-btn.hidden,
#category-select.hidden {
  display: none;
}

#channel-list .season-header {
  padding: 10px 10px 4px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  cursor: default;
}

#channel-list .season-header:hover { background: none; }

#category-select {
  margin: 10px;
  padding: 8px;
  border-radius: 8px;
  background: var(--panel2);
  color: var(--text);
  border: 1px solid #2a3142;
}

#search-input {
  margin: 0 10px 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--panel2);
  color: var(--text);
  border: 1px solid #2a3142;
}

#channel-list {
  list-style: none;
  margin: 0;
  padding: 0 6px 10px;
  overflow-y: auto;
  flex: 1;
}

#channel-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}

#channel-list li:hover { background: var(--panel2); }
#channel-list li.active { background: var(--accent); }

#channel-list img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  background: #000;
  border-radius: 4px;
  flex-shrink: 0;
}

#channel-list .ch-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fav-star {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1;
  padding: 4px;
  cursor: pointer;
}

.fav-star.active {
  color: #ffc84f;
}

#channel-list li.active .fav-star {
  color: rgba(255, 255, 255, 0.7);
}

#channel-list li.active .fav-star.active {
  color: #fff;
}

.status {
  padding: 16px;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}