:root {
  --bg: #0f1115; --panel: #181b22; --line: #2a2f3a; --text: #e8eaf0; --muted: #9aa3b5;
  --accent: #5865f2; --danger: #e5484d;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f5f6f8; --panel: #ffffff; --line: #dfe2e8; --text: #16181d; --muted: #5d6677; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
header { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
h1 { font-size: 1.1rem; margin: 0; }
#user { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: .9rem; }
main { max-width: 760px; margin: 0 auto; padding: 16px; }
footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 24px 16px; }
[hidden] { display: none !important; }

#login { text-align: center; padding: 56px 0; }
button, .btn {
  font: inherit; cursor: pointer; padding: 9px 14px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--panel); color: var(--text); text-decoration: none; display: inline-block;
}
button:disabled { opacity: .5; cursor: default; }
button:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.danger { color: var(--danger); border-color: var(--danger); }
.ghost { background: transparent; }

#tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 12px; }
#tabs button { white-space: nowrap; font-size: .9rem; padding: 7px 12px; }
#tabs button.active { border-color: var(--accent); color: var(--accent); }

#message { padding: 10px 12px; border-radius: 8px; background: var(--panel); border: 1px solid var(--line); }
#message.error { border-color: var(--danger); color: var(--danger); }
.empty { color: var(--muted); text-align: center; padding: 40px 0; }

.card { display: grid; grid-template-columns: 200px 1fr; gap: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 14px; }
.card video, .card img { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 8px; background: #000; }
.body { min-width: 0; display: flex; flex-direction: column; }
.meta { margin: 0 0 6px; color: var(--muted); font-size: .85rem; }
.caption { margin: 0 0 8px; white-space: pre-wrap; overflow-wrap: anywhere; }
.sound { margin: 0 0 12px; color: var(--muted); font-size: .9rem; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
@media (max-width: 560px) { .card { grid-template-columns: 1fr; } .card video, .card img { max-height: 60vh; } }