:root {
  --bg: #0d1117;
  --bg-2: #101826;
  --card: rgba(17, 24, 38, .86);
  --line: rgba(255,255,255,.08);
  --text: #f3f7ff;
  --muted: #96a5bc;
  --primary: #d11f2f;
  --shadow: 0 18px 50px rgba(0,0,0,.28);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: 'Inter', sans-serif; color: var(--text); background: linear-gradient(180deg, #0b0f16, #111827); }
button, input, textarea { font: inherit; }
.admin-shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.sidebar { padding: 22px; border-right: 1px solid var(--line); background: rgba(10,14,22,.8); }
.sidebar__brand { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
.logo { width: 48px; height: 48px; border-radius: 16px; display: grid; place-items: center; background: linear-gradient(135deg, #d11f2f, #7f1220); font-weight: 800; }
.sidebar__brand span { display: block; color: var(--muted); font-size: 13px; }
.sidebar__nav { display: grid; gap: 10px; }
.sidebar__nav button, .btn { border: 1px solid var(--line); background: rgba(255,255,255,.04); color: var(--text); border-radius: 16px; padding: 12px 14px; cursor: pointer; }
.sidebar__nav button.is-active, .btn--primary { background: linear-gradient(135deg, #d11f2f, #fe4f4f); }
.main { padding: 22px; display: grid; gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); }
.topbar { display: flex; justify-content: space-between; gap: 18px; padding: 22px; align-items: center; }
.topbar h1, .section-head h2 { margin: 0 0 6px; }
.topbar p, .section-head p, .note { color: var(--muted); }
.topbar__actions { display: flex; gap: 10px; flex-wrap: wrap; }
input, textarea { width: 100%; border: 1px solid var(--line); background: rgba(255,255,255,.04); color: var(--text); border-radius: 16px; padding: 14px; }
.tab { display: none; padding: 22px; }
.tab.active { display: block; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat { padding: 18px; border-radius: 20px; background: rgba(255,255,255,.04); }
.stat strong { display: block; font-size: 34px; margin-bottom: 6px; }
.code-area { min-height: 460px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.code-area.small { min-height: 220px; }
.actions { display: flex; gap: 12px; margin-top: 14px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid.triple { grid-template-columns: 1fr 1fr 1fr; }
.table { width: 100%; border-collapse: collapse; margin-top: 14px; }
.table th, .table td { text-align: left; padding: 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tag { display: inline-block; border-radius: 999px; padding: 6px 10px; background: rgba(209,31,47,.16); }
@media (max-width: 980px) { .admin-shell { grid-template-columns: 1fr; } .sidebar { border-right: 0; border-bottom: 1px solid var(--line); } .stats-grid, .form-grid, .form-grid.triple { grid-template-columns: 1fr; } .topbar { flex-direction: column; align-items: stretch; } }