:root {
  --primary: #1152ff;
  --primary-dark: #0b3bc4;
  --dark: #111827;
  --gray: #6b7280;
  --border: #e5e7eb;
  --bg: #f7f8fb;
  --success: #16a34a;
  --danger: #dc2626;
  --radius: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--dark); }
a { color: inherit; text-decoration: none; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; flex-wrap: wrap; gap: 10px; }
.logo { font-weight: 800; font-size: 20px; color: var(--primary); }
.main-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.main-nav a { font-weight: 500; color: var(--gray); font-size: 14px; }
.main-nav a.active, .main-nav a:hover { color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 14px; font-size: 14px; }
.lang-switch a { padding: 2px 6px; border-radius: 6px; color: var(--gray); font-weight: 600; }
.lang-switch a.active { background: var(--primary); color: #fff; }
.cart-link { position: relative; }
.cart-badge { background: var(--danger); color: #fff; border-radius: 999px; font-size: 11px; padding: 1px 6px; position: absolute; top: -8px; right: -14px; }

/* Hero */
.hero { background: linear-gradient(135deg, var(--primary), #4c7dff); color: #fff; padding: 56px 16px; text-align: center; }
.hero h1 { font-size: 32px; margin: 0 0 10px; }
.hero p { font-size: 16px; opacity: .95; margin: 0 0 24px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 22px; border-radius: var(--radius); font-weight: 600; cursor: pointer; border: none; font-size: 15px; }
.btn-primary { background: #fff; color: var(--primary); }
.btn-outline { background: transparent; color: #fff; border: 2px solid #fff; }
.btn-solid { background: var(--primary); color: #fff; }
.btn-block { width: 100%; text-align: center; }

/* Grid / cards */
.section { padding: 40px 16px; }
.section h2 { text-align: center; margin-bottom: 24px; }
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.card img { width: 100%; height: 150px; object-fit: cover; border-radius: 8px; background: #f0f2f7; }
.price { color: var(--primary); font-weight: 700; font-size: 17px; }
.price-old { color: var(--gray); text-decoration: line-through; font-size: 13px; margin-right: 6px; }
.badge { display: inline-block; background: #eef2ff; color: var(--primary); font-size: 12px; padding: 2px 8px; border-radius: 999px; font-weight: 600; }

/* Forms */
.form-box { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; max-width: 640px; margin: 0 auto; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 15px; background: #fff;
}
.form-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .form-cols { grid-template-columns: 1fr; } }
.quote-box { background: #eef2ff; border: 1px dashed var(--primary); border-radius: 8px; padding: 14px; margin-bottom: 16px; }
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert-success { background: #ecfdf3; color: var(--success); border: 1px solid #a7f3d0; }
.alert-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }

/* Table */
table.data-table { width: 100%; border-collapse: collapse; background: #fff; }
table.data-table th, table.data-table td { border: 1px solid var(--border); padding: 10px 12px; font-size: 14px; text-align: left; }
table.data-table th { background: #f3f4f6; }
.table-wrap { overflow-x: auto; }

/* Status timeline */
.status-track { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.status-step { flex: 1; min-width: 110px; text-align: center; padding: 10px; border-radius: 8px; background: #f3f4f6; font-size: 13px; font-weight: 600; color: var(--gray); }
.status-step.done { background: #ecfdf3; color: var(--success); }
.status-step.current { background: var(--primary); color: #fff; }

/* Footer */
.site-footer { background: #111827; color: #cbd5e1; padding: 24px 16px; text-align: center; font-size: 13px; margin-top: 40px; }

/* Admin */
.admin-wrap { display: flex; min-height: 100vh; }
.admin-sidebar { width: 220px; background: var(--dark); color: #fff; padding: 20px 0; flex-shrink: 0; }
.admin-sidebar a { display: block; padding: 10px 20px; color: #cbd5e1; font-size: 14px; }
.admin-sidebar a.active, .admin-sidebar a:hover { background: var(--primary); color: #fff; }
.admin-main { flex: 1; padding: 24px; }
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border-radius: var(--radius); padding: 18px; border: 1px solid var(--border); }
.stat-card .num { font-size: 26px; font-weight: 800; color: var(--primary); }
@media (max-width: 800px) { .admin-wrap { flex-direction: column; } .admin-sidebar { width: 100%; display: flex; overflow-x: auto; padding: 8px; } .admin-sidebar a { white-space: nowrap; } }