:root {
  --primary: #ff6b00;
  --dark: #1f2937;
  --light: #f7fafc;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; color: var(--dark); background: #fff; }
a { color: var(--primary); text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 16px; }
.btn { background: var(--primary); color: #fff; border: 0; padding: 12px 16px; border-radius: 12px; cursor: pointer; font-weight: 600; }
.btn.secondary { background: #111827; }
.btn.ghost { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 16px; padding: 16px; box-shadow: 0 4px 20px rgba(0,0,0,.04); }
.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.header { position: sticky; top:0; background: #fff; border-bottom: 1px solid #eee; z-index: 10; }
.nav { display:flex; align-items:center; justify-content:space-between; padding:12px 16px; }
.brand { display:flex; align-items:center; gap:10px; font-weight:800; color: var(--dark); }
.brand-logo { width: 36px; height: 36px; border-radius: 10px; background: var(--primary); display:grid; place-items:center; color:#fff; font-weight:900; }
.hero { padding: 64px 16px; background: linear-gradient(180deg, rgba(255,107,0,.1), transparent); }
.hero h1 { font-size: 42px; line-height: 1.1; margin: 0 0 12px; }
.hero p { font-size: 18px; opacity:.9; max-width: 800px; }
.section h2 { font-size: 28px; margin: 0 0 8px; }
.footer { padding:24px; border-top:1px solid #eee; text-align:center; font-size:14px; color:#6b7280; }
.input, select { width: 100%; padding: 12px; border-radius: 12px; border: 1px solid #e5e7eb; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { border-bottom: 1px solid #eee; padding: 10px; text-align: left; }
.badge { display:inline-block; padding:4px 10px; border-radius:999px; background:#f1f5f9; font-size:12px; }
.kpi { font-size: 28px; font-weight: 800; }
.sidebar { width: 260px; padding:16px; border-right:1px solid #eee; height: 100vh; position: sticky; top:0; }
.layout { display:flex; }
.main { flex:1; padding:16px; }
.topbar { display:flex; align-items:center; justify-content:space-between; padding:8px 0 16px; }
.table-actions { display:flex; gap: 8px; }
@media (max-width: 900px) {
  .layout { flex-direction: column; }
  .sidebar { position: static; width: auto; height: auto; border-right: 0; }
}