:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --danger: #f85149;
  --success: #3fb950;
  --warning: #d29922;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.layout { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.sidebar {
  border-right: 1px solid var(--border);
  background: #0b0f14;
  padding: 24px 16px;
}
.brand { font-size: 20px; font-weight: 800; margin-bottom: 28px; }
.brand small { display: block; color: var(--muted); font-size: 12px; font-weight: 500; margin-top: 4px; }
.nav { display: grid; gap: 8px; }
.nav a {
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
}
.nav a:hover, .nav a.active { color: var(--text); background: var(--panel-2); }

.main { padding: 28px; min-width: 0; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 24px;
}
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: 28px; margin-bottom: 6px; }
.subtitle { color: var(--muted); margin: 0; }

.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
}
.card h2 { font-size: 18px; }
.card h3 { font-size: 15px; }

.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.field { display: grid; gap: 6px; flex: 1 1 160px; }
label { font-size: 13px; color: var(--muted); }

input, select, textarea {
  width: 100%;
  color: var(--text);
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 11px;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { min-height: 130px; resize: vertical; }

button {
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 650;
}
button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
button.danger { background: var(--danger); }
button.success { background: var(--success); color: #06120a; }
button:disabled { opacity: .55; cursor: default; }

.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { padding: 11px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { font-size: 12px; color: var(--muted); background: #0d1117; }
tr:last-child td { border-bottom: 0; }

pre {
  white-space: pre-wrap; word-break: break-word;
  background: #0d1117; border: 1px solid var(--border);
  border-radius: 8px; padding: 12px; color: #c9d1d9;
  max-height: 320px; overflow: auto;
}
.notice { color: var(--muted); font-size: 13px; }
.badge {
  display: inline-block; padding: 3px 8px; border-radius: 999px;
  background: var(--panel-2); color: var(--muted); font-size: 12px;
}
.status { min-height: 20px; margin-top: 10px; font-size: 13px; color: var(--muted); }
.status.ok { color: var(--success); }
.status.error { color: var(--danger); }

.login-page {
  min-height: 100vh; display: grid; place-items: center; padding: 20px;
}
.login-card {
  width: min(430px, 100%);
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px;
}
.login-card form { display: grid; gap: 14px; }
.login-card button { margin-top: 4px; }

.video-placeholder {
  aspect-ratio: 16 / 9;
  display: grid; place-items: center; text-align: center;
  background: #090c10; border: 1px dashed #484f58;
  border-radius: 12px; color: var(--muted); padding: 24px;
}

.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.pagination { display: flex; gap: 8px; align-items: center; margin-top: 14px; }
.pagination input { width: 90px; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--border); }
  .grid.two, .grid.three { grid-template-columns: 1fr; }
}