:root {
  --bg: #0b1020;
  --bg-soft: #0e152a;
  --card: #0f172a;
  --card-2: #111a33;
  --text: #e6ebf5;
  --muted: #9aa8c7;
  --primary: #ff7a00;
  --primary-2: #00b8d9;
  --border: rgba(255,255,255,0.08);
  --ring: rgba(255,122,0,0.35);
  --success: #16a34a;
  --danger: #ef4444;
  --warning: #f59e0b;
}
[data-theme="light"] {
  --bg: #f6f7fb;
  --bg-soft: #eef2ff;
  --card: #ffffff;
  --card-2: #ffffff;
  --text: #0f172a;
  --muted: #5b6b8c;
  --primary: #ff7a00;
  --primary-2: #0ea5e9;
  --border: rgba(18, 24, 40, 0.08);
  --ring: rgba(14,165,233,0.25);
  --success: #15803d;
  --danger: #b91c1c;
  --warning: #b45309;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; padding: 0;
  background: radial-gradient(1200px 800px at 10% -10%, rgba(0,184,217,0.08), transparent),
              radial-gradient(1000px 700px at 110% 10%, rgba(255,122,0,0.10), transparent),
              var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }

.layout { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar { position: sticky; top: 0; align-self: start; height: 100vh; padding: 18px; border-right: 1px solid var(--border);
  background: linear-gradient(180deg, var(--card), var(--card-2)); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .2px; }
.brand .logo { width: 38px; height: 38px; border-radius: 12px; background: conic-gradient(from 230deg, var(--primary), var(--primary-2));
  display:flex; align-items:center; justify-content:center; color: white; font-weight:900;
  box-shadow: 0 6px 30px rgba(255,122,0,0.35), inset 0 0 20px rgba(255,255,255,0.08); }

.nav-list { margin: 18px 0 0; padding: 0; list-style: none; }
.nav-link { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; color: var(--muted); }
.nav-link svg { opacity: .8; }
.nav-link.active, .nav-link:hover { background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent); color: var(--text); outline: 1px solid var(--border); }

.main { display: grid; grid-template-rows: auto 1fr; min-height: 100vh; }
.topbar { display: flex; align-items:center; justify-content: space-between; padding: 16px 22px; border-bottom: 1px solid var(--border); backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent); }
.top-actions { display:flex; align-items:center; gap: 10px; }
.btn { display:inline-flex; align-items:center; gap: 8px; cursor:pointer; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); font-weight: 600; }
.btn.primary { background: linear-gradient(180deg, var(--primary), #e96f00); color: #fff; border-color: transparent; }
.btn.ghost { background: transparent; }
.btn.icon { padding: 8px 10px; }

.content { padding: 22px; }

.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)); }
@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .grid.two, .grid.three { grid-template-columns: 1fr; }
}

.card { background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02)); border: 1px solid var(--border); border-radius: 16px; padding: 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15); }
.card h1, .card h2, .card h3 { margin: 0 0 10px; }
.card .muted { color: var(--muted); font-size: 13px; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
.table th { color: var(--muted); font-weight: 600; }

.input, select, textarea { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--card); color: var(--text); outline: none;
  transition: border .2s, box-shadow .2s; }
.input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 6px var(--ring); }

.badge { padding: 4px 10px; border-radius: 999px; background: var(--border); color: var(--muted); font-size: 12px; }
.flash { padding: 10px 12px; border-radius: 12px; margin: 10px 0; }
.flash.error { background: rgba(239,68,68,0.15); color: #fecaca; }
.flash.success { background: rgba(22,163,74,0.15); color: #bbf7d0; }
.flash.info { background: rgba(14,165,233,0.15); color: #bae6fd; }

footer { padding: 24px; color: var(--muted); text-align: center; }

.kpi { display:flex; align-items:center; gap: 12px; padding: 14px; border: 1px solid var(--border); border-radius: 14px; background: var(--card); }
.kpi .value { font-size: 22px; font-weight: 800; }
.kpi .label { color: var(--muted); font-size: 12px; }

.switch { display:inline-flex; align-items:center; gap:10px; cursor:pointer; user-select:none; }
.switch .dot { width: 40px; height: 24px; border-radius: 999px; background: var(--border); position: relative; transition: background .2s; }
.switch .dot::after { content: ""; width: 18px; height: 18px; position: absolute; top: 3px; left: 4px; border-radius: 50%; background: #fff; transition: left .2s, background .2s; }
[data-theme="light"] .switch .dot { background: #d0e3ff; }
[data-theme="light"] .switch .dot::after { background: #0f172a; }
.theme-dark .switch .dot { background: #1f2b46; }
.theme-dark .switch .dot.active::after { left: 18px; }