:root {
  --bg: #0b1220;
  --panel: #111a2b;
  --panel-2: #162237;
  --text: #edf2f7;
  --muted: #94a3b8;
  --line: #243248;
  --accent: #0f4aa5;
  --accent-2: #1d4ed8;
  --danger: #dc2626;
  --success: #10b981;
}
* { box-sizing: border-box; }
body { margin: 0; background: linear-gradient(180deg, #08101e, #0f172a); color: var(--text); font-family: Inter, Arial, sans-serif; }
a { color: #b9d2ff; text-decoration: none; }
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: rgba(9,15,26,.92); border-right: 1px solid var(--line); padding: 24px; }
.logo { font-size: 24px; font-weight: 700; margin-bottom: 24px; }
.sidebar nav { display: grid; gap: 10px; }
.sidebar nav a { padding: 12px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.content { flex: 1; padding: 28px; }
.content-centered { display: flex; align-items: center; justify-content: center; }
.card { background: rgba(17,26,43,.9); border: 1px solid var(--line); border-radius: 20px; padding: 20px; box-shadow: 0 10px 30px rgba(0,0,0,.2); }
.auth-card { width: min(460px, 100%); }
h1, h2 { margin-top: 0; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
button, .btn-link { display: inline-flex; align-items: center; justify-content: center; border: 0; background: linear-gradient(180deg, var(--accent), var(--accent-2)); color: white; padding: 12px 16px; border-radius: 12px; cursor: pointer; font-weight: 600; }
.secondary { background: #1f2937; }
.small-btn { padding: 9px 12px; font-size: 13px; }
.form-stack { display: grid; gap: 12px; }
label { display: grid; gap: 8px; font-size: 14px; }
input, textarea, select { width: 100%; border-radius: 12px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); padding: 12px 14px; }
.checkbox { display: flex; gap: 10px; align-items: center; }
.checkbox input { width: auto; }
.header-row { display: flex; justify-content: space-between; align-items: start; gap: 16px; margin-bottom: 20px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; margin-bottom: 20px; }
.stat strong { font-size: 36px; margin-top: 10px; display: block; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.badge, .pill { display: inline-block; padding: 6px 10px; border-radius: 999px; font-size: 12px; color: white; }
.pill.ok { background: var(--success); }
.error { background: rgba(220,38,38,.15); border: 1px solid rgba(220,38,38,.4); color: #fecaca; padding: 12px 14px; border-radius: 12px; margin-bottom: 16px; }
.flash { background: rgba(16,185,129,.12); border: 1px solid rgba(16,185,129,.4); color: #d1fae5; padding: 12px 14px; border-radius: 12px; margin-bottom: 16px; }
.code-block { background: #0b1320; border: 1px solid var(--line); border-radius: 16px; padding: 16px; margin-bottom: 12px; overflow-wrap: anywhere; }
.inline-form { display: flex; gap: 8px; }
.filters { display: flex; gap: 12px; align-items: center; }
hr { border: 0; border-top: 1px solid var(--line); margin: 20px 0; }
@media (max-width: 960px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; }
  .stats-grid, .grid-2 { grid-template-columns: 1fr; }
  .content { padding: 16px; }
  .header-row { flex-direction: column; }
}