* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; background: #111; color: #eee; font-family: Arial, Helvetica, sans-serif; }
body { display: flex; flex-direction: column; }
header {
  background: #1b1b1b;
  padding: 10px 16px;
  border-bottom: 1px solid #2a2a2a;
  display: flex;
  align-items: baseline;
  gap: 16px;
}
header h1 { font-size: 18px; color: #fff; }
#status { font-size: 13px; color: #9aa; }
#status.err { color: #f88; }
main {
  flex: 1;
  display: flex;
  min-height: 0;
}
#player-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #000;
  min-width: 0;
}
#video {
  flex: 1;
  width: 100%;
  min-height: 0;
  background: #000;
}
#now-playing {
  padding: 8px 12px;
  background: #151515;
  border-top: 1px solid #2a2a2a;
  font-size: 14px;
  color: #ccc;
  min-height: 34px;
}
#channels-box {
  width: 320px;
  background: #171717;
  border-left: 1px solid #2a2a2a;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
#search, #group-filter {
  margin: 8px;
  padding: 8px 10px;
  background: #0e0e0e;
  color: #eee;
  border: 1px solid #333;
  font-size: 14px;
}
#channels {
  list-style: none;
  overflow-y: scroll;
  flex: 1;
}
#channels::-webkit-scrollbar {
  width: 32px;
}
#channels::-webkit-scrollbar-track {
  background: #0e0e0e;
}
#channels::-webkit-scrollbar-thumb {
  background: #555;
  border: 4px solid #0e0e0e;
  border-radius: 6px;
  min-height: 60px;
}
#channels::-webkit-scrollbar-thumb:hover {
  background: #777;
}
#channels::-webkit-scrollbar-button {
  background-color: #222;
  height: 44px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 22px 22px;
}
#channels::-webkit-scrollbar-button:hover {
  background-color: #333;
}
#channels::-webkit-scrollbar-button:vertical:decrement {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='%23ddd' d='M7 14l5-5 5 5z'/></svg>");
}
#channels::-webkit-scrollbar-button:vertical:increment {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='%23ddd' d='M7 10l5 5 5-5z'/></svg>");
}
#channels::-webkit-scrollbar-button:vertical:start:increment,
#channels::-webkit-scrollbar-button:vertical:end:decrement {
  display: none;
}
#channels li {
  padding: 8px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid #202020;
  font-size: 14px;
}
#channels li:hover { background: #222; }
#channels li.active { background: #264; color: #fff; }
#channels li.focused {
  outline: 3px solid #5cf;
  outline-offset: -3px;
  background: #1e3444;
}
#channels li.active.focused { background: #2a5a4a; }
#channels li img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  background: #222;
  flex-shrink: 0;
}
#channels li .meta {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}
#channels li .name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#channels li .group {
  font-size: 11px;
  color: #888;
}