:root {
  --brand: #4f46e5;
  --brand-dark: #3730a3;
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --success: #16a34a;
  --error: #dc2626;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--brand); text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-size: 1.4rem; font-weight: 800; color: var(--brand-dark); }
.main-nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.main-nav a { color: var(--text); font-weight: 500; }
.main-nav a:hover { color: var(--brand); }
.btn-nav { background: var(--brand); color: #fff !important; padding: 8px 14px; border-radius: 8px; }

.page-main { padding: 32px 20px 60px; min-height: 60vh; }

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.alert-success { background: #dcfce7; color: #166534; }
.alert-error { background: #fee2e2; color: #991b1b; }

.hero { text-align: center; padding: 60px 0 40px; }
.hero h1 { font-size: 2.4rem; margin-bottom: 8px; }
.hero p { color: var(--muted); font-size: 1.1rem; }

.search-box { display: flex; gap: 8px; max-width: 560px; margin: 24px auto; }
.search-box input { flex: 1; padding: 14px 16px; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; }
.search-box button, .btn { background: var(--brand); color: #fff; border: none; padding: 14px 22px; border-radius: 8px; font-size: 1rem; cursor: pointer; font-weight: 600; }
.btn:hover, .search-box button:hover { background: var(--brand-dark); }
.btn-outline { background: transparent; color: var(--brand); border: 1px solid var(--brand); }
.btn-danger { background: var(--error); }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }

.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.card h3 { margin-top: 0; }
.price { font-size: 1.8rem; font-weight: 800; color: var(--brand-dark); }
.price small { font-size: 0.9rem; font-weight: 400; color: var(--muted); }
.badge { display: inline-block; background: #eef2ff; color: var(--brand-dark); padding: 3px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef9c3; color: #854d0e; }
.badge-error { background: #fee2e2; color: #991b1b; }

form.stacked label { display: block; margin: 14px 0 6px; font-weight: 600; font-size: 0.9rem; }
form.stacked input, form.stacked select, form.stacked textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem;
}
.form-card { max-width: 480px; margin: 20px auto; }

table { width: 100%; border-collapse: collapse; background: #fff; }
table th, table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; font-size: 0.92rem; }
table th { background: #f1f5f9; }

.dash-layout { display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: start; }
.dash-sidebar { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.dash-sidebar a { display: block; padding: 10px 12px; border-radius: 8px; color: var(--text); font-weight: 500; }
.dash-sidebar a:hover, .dash-sidebar a.active { background: #eef2ff; color: var(--brand-dark); }
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.stat-card .num { font-size: 1.8rem; font-weight: 800; }
.stat-card .label { color: var(--muted); font-size: 0.85rem; }

.site-footer { border-top: 1px solid var(--border); margin-top: 40px; padding: 24px 0; text-align: center; color: var(--muted); font-size: 0.9rem; }

.setup-wrap { max-width: 640px; margin: 40px auto; }
.setup-steps { display: flex; justify-content: space-between; margin-bottom: 30px; font-size: 0.85rem; color: var(--muted); }
.setup-steps .active { color: var(--brand); font-weight: 700; }
.req-ok { color: var(--success); }
.req-fail { color: var(--error); }

@media (max-width: 760px) {
  .dash-layout { grid-template-columns: 1fr; }
}