:root {
  --bg: #f5f6f8; --panel: #ffffff; --text: #1b1f24; --muted: #5f6b7a; --line: #d9dee5;
  --accent: #0b6bcb; --danger: #c62828; --tile: #0d1117;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1216; --panel: #181c22; --text: #e6e9ee; --muted: #9aa5b1; --line: #2a313a; --accent: #4ea1ff; --danger: #ff6b6b; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text);
  min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--accent); }
.top { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; text-decoration: none; color: var(--text); }
nav { display: flex; flex-wrap: wrap; gap: 4px 16px; align-items: center; }
nav a { text-decoration: none; }
.who { margin-left: auto; color: var(--muted); font-size: 13px; }
main.page { width: 100%; max-width: 1100px; margin: 0 auto; padding: 16px; flex: 1; }
main.live { padding: 8px 16px; flex: 1; }
footer { display: flex; flex-wrap: wrap; gap: 6px 18px; padding: 12px 16px; font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); }
h1 { font-size: 22px; margin: 4px 0 14px; }
h2 { font-size: 17px; margin: 22px 0 8px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.narrow { max-width: 440px; margin: 24px auto; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
label { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; font-size: 14px; }
.row label { margin: 0; }
label.check { flex-direction: row; align-items: flex-start; gap: 8px; }
input, select, button { font: inherit; padding: 7px 10px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }
button { background: var(--accent); border-color: var(--accent); color: #fff; cursor: pointer; }
button.small { padding: 4px 9px; font-size: 13px; }
button.danger { background: var(--danger); border-color: var(--danger); }
button.link { background: none; border: none; color: var(--accent); padding: 0; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
form.inline { display: inline-flex; gap: 4px; align-items: center; margin: 0; }
table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
td.actions { white-space: nowrap; }
pre { background: var(--bg); border: 1px solid var(--line); padding: 10px; border-radius: 6px; white-space: pre-wrap; word-break: break-all; }
.muted { color: var(--muted); }
.error { color: var(--danger); font-weight: 600; }
.flash { background: var(--panel); border-left: 4px solid var(--accent); padding: 8px 12px; }
.legal { max-width: 860px; }
.legal h2 { border-top: 1px solid var(--line); padding-top: 14px; }
.legal .draft { border: 1px dashed var(--danger); padding: 8px 12px; border-radius: 6px; }

/* live grid */
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 8px; }
.grid { --cols: 2; display: grid; grid-template-columns: repeat(var(--cols), 1fr); gap: 4px; }
.tile { position: relative; background: var(--tile); aspect-ratio: 16 / 9; border-radius: 4px; overflow: hidden; }
.tile video { width: 100%; height: 100%; object-fit: contain; display: block; }
.tile .bar { position: absolute; left: 0; right: 0; top: 0; display: flex; gap: 8px; align-items: center; padding: 4px;
  background: linear-gradient(rgba(0,0,0,.6), transparent); }
.tile select { max-width: 70%; padding: 2px 6px; font-size: 13px; background: rgba(0,0,0,.5); color: #fff; border-color: rgba(255,255,255,.3); }
.tile .status { color: #fff; font-size: 13px; text-shadow: 0 1px 2px #000; }
.grid:fullscreen { background: #000; align-content: center; padding: 4px; }