:root {
  --bg: #0f1115; --card: #171a21; --text: #e8eaed; --muted: #8b94a3;
  --accent: #4f9cff; --line: #23262e; --danger: #ff5c5c;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }

header { position: sticky; top: 0; z-index: 20;
  background: rgba(15,17,21,.95); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; }
.bar h1 { margin: 0; font-size: 18px; }
.icon-btn { background: #12151b; color: var(--muted); border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 10px; cursor: pointer; font-size: 15px; }

.settings { padding: 10px 14px 14px; border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 10px; }
.hidden { display: none; }

.add-row { display: flex; flex-wrap: wrap; gap: 8px; }
.add-row input, .add-row select {
  background: #12151b; color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 10px; font-size: 14px; }
#new-url  { flex: 2 1 220px; }
#new-name { flex: 1 1 120px; }
.add-row select { flex: 0 0 auto; }
.add-row .primary {
  background: var(--accent); color: #fff; border: 0; border-radius: 8px;
  padding: 8px 16px; cursor: pointer; font-weight: 600; }

.gh-row { display: flex; gap: 8px; flex-wrap: wrap; padding-top: 8px;
  border-top: 1px dashed var(--line); }
.gh-row input { flex: 1 1 160px; background: #12151b; color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 13px; }

.manage-head { display: flex; justify-content: space-between; align-items: center;
  gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.manage-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.small { background: #12151b; color: var(--muted); border: 1px solid var(--line);
  border-radius: 6px; padding: 5px 9px; font-size: 12px; cursor: pointer; }
.small.danger { color: var(--danger); border-color: rgba(255,92,92,.35); }

.source-list { list-style: none; margin: 0; padding: 0; display: flex;
  flex-direction: column; gap: 6px; max-height: 240px; overflow: auto; }
.source-item { display: flex; align-items: center; gap: 10px;
  background: #12151b; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.source-item .info { flex: 1; min-width: 0; }
.source-item .name { font-size: 13px; font-weight: 600;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.source-item .url { font-size: 11px; color: var(--muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.source-item .tag { font-size: 10px; text-transform: uppercase;
  background: #222733; color: var(--muted); padding: 2px 6px; border-radius: 5px; }
.source-item .del { background: transparent; color: var(--danger);
  border: 0; cursor: pointer; font-size: 16px; padding: 4px 8px; }

.hint { font-size: 12px; color: var(--muted); margin: 4px 0 0; }
.hint code { background: #12151b; padding: 1px 5px; border-radius: 4px; }

.tabs { display: flex; gap: 4px; padding: 8px 14px; overflow-x: auto; }
.tabs button { white-space: nowrap; padding: 7px 12px; border-radius: 8px;
  cursor: pointer; border: 1px solid var(--line); background: #12151b; color: var(--muted);
  font-size: 13px; }
.tabs button.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.search-row { display: flex; gap: 8px; padding: 0 14px 10px; }
#search { flex: 1; padding: 8px 10px; border-radius: 8px;
  border: 1px solid var(--line); background: #12151b; color: var(--text); }

main { padding: 12px; display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 600px)  { main { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { main { grid-template-columns: repeat(3, 1fr); } }

.card { background: var(--card); border-radius: 12px; overflow: hidden;
  border: 1px solid var(--line); display: flex; flex-direction: column; }
.media { aspect-ratio: 16/9; background: #000; position: relative; }
.media img, .media video, .media iframe {
  width: 100%; height: 100%; object-fit: cover; display: block; border: 0; }
.media .play-badge {
  position: absolute; inset: auto 8px 8px auto; background: rgba(0,0,0,.7);
  color: #fff; padding: 2px 8px; border-radius: 6px; font-size: 11px; }

.card .body { padding: 10px 12px 12px; }
.card h2 { font-size: 14px; margin: 0 0 6px; line-height: 1.35; }
.meta { font-size: 12px; color: var(--muted); display: flex; gap: 8px;
  flex-wrap: wrap; align-items: center; }
.badge { background: #222733; padding: 1px 6px; border-radius: 6px; text-transform: capitalize; }
a.open { color: var(--accent); text-decoration: none; font-size: 12px; margin-left: auto; }

footer { padding: 14px; text-align: center; color: var(--muted); font-size: 12px; }
.empty { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 40px 0; }