:root, [data-theme="dark"] {
  --bg: #0b0c10; --bg2: #14161c; --bg3: #1c1f28; --line: #2a2e38;
  --text: #eef0f4; --muted: #8b90a0; --gold: #d4b56a; --danger: #f3b4b4; --ok: #b4f3c8;
}
[data-theme="light"] {
  --bg: #f3f4f7; --bg2: #fff; --bg3: #eef0f4; --line: #d7dbe5;
  --text: #16181d; --muted: #5c6270; --gold: #8a6b1f; --danger: #9b2c2c; --ok: #1b6b3a;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--gold); text-decoration: none; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 24px; }
.top { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--line); background: var(--bg2); }
.brand { font-size: 22px; font-weight: 700; color: var(--gold); }
.nav a { margin-left: 14px; color: var(--muted); }
.nav a.on, .nav a:hover { color: var(--text); }
.hero { padding: 72px 24px 48px; background: radial-gradient(circle at top, #2a2418, var(--bg)); }
.hero h1 { font-size: clamp(36px, 6vw, 64px); margin: 0 0 12px; max-width: 720px; }
.hero p { color: var(--muted); max-width: 520px; }
.btns { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.btn { background: var(--bg3); color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; cursor: pointer; font: inherit; display: inline-block; }
.btn.primary { background: var(--gold); color: #16181d; border-color: var(--gold); }
.btn.danger { color: var(--danger); }
.panel { background: var(--bg2); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.stat span { color: var(--muted); font-size: 12px; display: block; }
.stat strong { font-size: 24px; }
label { display: block; color: var(--muted); margin: 12px 0 6px; }
input, select, textarea { width: 100%; background: var(--bg); border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: 10px; font: inherit; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; }
.app { display: grid; min-height: 100vh; grid-template-columns: 220px 1fr; }
.side { background: var(--bg2); border-right: 1px solid var(--line); padding: 20px 14px; }
.side a { display: block; padding: 8px 10px; border-radius: 10px; color: var(--muted); margin-bottom: 2px; }
.side a.on, .side a:hover { background: var(--bg3); color: var(--text); }
.side a.on { color: var(--gold); }
.main { padding: 28px; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.muted { color: var(--muted); }
.err { color: var(--danger); }
.ok { color: var(--ok); }
.video-shell { background: #000; border-radius: 14px; aspect-ratio: 16/9; overflow: hidden; position: relative; }
.video-shell video,
.video-shell iframe { width: 100%; height: 100%; object-fit: cover; background: #000; border: 0; display: block; }
.yt-setup { max-width: 720px; margin: 16px 0; }
.yt-setup ol { margin: 8px 0 12px 1.2em; color: var(--muted, #9aa3af); line-height: 1.5; }
.yt-setup code { font-size: 0.9em; }
.cams { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.cam { border: 2px solid transparent; border-radius: 12px; overflow: hidden; cursor: pointer; background: #111; }
.cam.on { border-color: var(--gold); }
.cam video { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; }
.cam span { display: block; padding: 6px 8px; font-size: 12px; color: var(--muted); }
.auth-card { max-width: 420px; margin: 48px auto; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 48px; padding: 20px 24px 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.site-footer a { color: var(--muted); margin-left: 16px; }
.site-footer a.on, .site-footer a:hover { color: var(--text); }
.legal { max-width: 760px; padding-bottom: 12px; }
.legal h1 { margin-bottom: 4px; }
.legal h2 { font-size: 1.15rem; margin: 28px 0 8px; }
.legal p, .legal li { line-height: 1.6; }
.legal ul { margin: 8px 0 0; padding-left: 1.2em; }
.legal li { margin: 6px 0; }
.legal .updated { margin-top: 0; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: grid; place-items: center; padding: 20px; z-index: 30; }
.modal[hidden] { display: none; }
.modal-card { width: min(560px, 100%); max-height: 90vh; overflow: auto; background: var(--bg2); border: 1px solid var(--line); border-radius: 16px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.modal-body { padding: 16px 18px 22px; }
@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; }
  .side { border-right: 0; border-bottom: 1px solid var(--line); }
}