:root {
  --bg: #111827;
  --panel: #1f2937;
  --muted: #9ca3af;
  --text: #f9fafb;
  --border: #374151;
  --accent: #3b82f6;
  --success: #16a34a;
  --warn: #f59e0b;
  --danger: #dc2626;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: #93c5fd; }
.container { max-width: 1280px; margin: 0 auto; padding: 24px; }
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 16px 24px; border-bottom: 1px solid var(--border); background: #0b1220;
}
.topbar h1 { margin: 0; font-size: 1.4rem; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin-bottom: 20px;
}
.card.narrow { max-width: 460px; margin: 48px auto; }
.grid { display: grid; gap: 20px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.row { display: flex; align-items: center; gap: 12px; }
.row.wrap { flex-wrap: wrap; }
.stack { display: grid; gap: 12px; }
.spaced { margin-top: 20px; }
label span { display: block; margin-bottom: 6px; }
input, select, button {
  font: inherit;
}
input, select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0f172a;
  color: var(--text);
}
.checkbox { display: flex; gap: 10px; align-items: center; }
.checkbox input { width: auto; }
.btn {
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn.secondary { background: #475569; }
.btn.warning { background: var(--warn); color: #111827; }
.btn.danger { background: var(--danger); }
.btn.small { padding: 8px 10px; font-size: 0.9rem; }
.badge {
  display: inline-block;
  background: #334155;
  border-radius: 999px;
  padding: 6px 10px;
}
.flash {
  margin-bottom: 20px;
  padding: 12px 14px;
  border-radius: 12px;
}
.flash.success { background: rgba(22, 163, 74, 0.2); border: 1px solid rgba(22, 163, 74, 0.4); }
.flash.error { background: rgba(220, 38, 38, 0.2); border: 1px solid rgba(220, 38, 38, 0.4); }
.muted { color: var(--muted); }
.ok { color: #4ade80; }
.warn { color: #fbbf24; }
.danger { color: #f87171; }
.stats { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
  border-bottom: 1px solid var(--border);
  padding: 12px;
  text-align: left;
  vertical-align: top;
}