:root {
  --dark: #1f2a37;
  --primary: #0d3f7a;
  --secondary: #2c63ff;
  --accent: #ff8c1a;
  --bg: #eef3fb;
  --card: #ffffff;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: var(--bg); color: #1f2937; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1280px; margin: 24px auto; padding: 0 20px; }
.card { background: var(--card); border-radius: 16px; padding: 18px; box-shadow: 0 8px 28px rgba(15, 23, 42, .08); }
label { display: block; margin: 10px 0 6px; font-weight: 700; }
input, select, button { width: 100%; padding: 12px; border-radius: 10px; border: 1px solid #cbd5e1; }
button { background: linear-gradient(90deg, var(--primary), var(--secondary)); color: #fff; border: none; font-weight: 700; cursor: pointer; margin-top: 14px; }
button:hover { opacity: .95; }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid #e5e7eb; padding: 10px; text-align: left; font-size: 14px; }
.alert { padding: 12px 14px; border-radius: 12px; margin-bottom: 16px; }
.alert.success { background: #dcfce7; color: #166534; }
.alert.error { background: #fee2e2; color: #991b1b; }
.auth-body { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(180deg, #dbeafe, #eef3fb); }
.auth-card { background: #fff; width: 420px; padding: 24px; border-radius: 20px; box-shadow: 0 16px 40px rgba(15,23,42,.12); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }
.two-col { display: grid; grid-template-columns: 360px 1fr; gap: 20px; }
.two-col.wide-left { grid-template-columns: 420px 1fr; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card { background: linear-gradient(135deg, #22c55e, #14b8a6); color: #fff; border-radius: 16px; padding: 20px; }
.stat-card strong { display: block; font-size: 36px; }
.panel-note { margin-top: 16px; background: #fff; border-left: 5px solid #3b82f6; padding: 16px; border-radius: 12px; }

/* Admin */
.admin-header { background: var(--dark); color: #fff; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.admin-header nav { display: flex; gap: 14px; flex-wrap: wrap; }
.admin-header a { color: #dbeafe; padding: 8px 10px; border-radius: 8px; }
.admin-header a.active, .admin-header a:hover { background: #10b981; color: white; }
.brand { font-size: 28px; font-weight: 700; }

/* Storefront */
.store-body { background: #e9eff8; }
.store-shell { max-width: 1280px; margin: 0 auto; }
.store-topline { background: #132238; color: #e5efff; padding: 8px 22px; font-size: 13px; text-align: center; }
.store-main-header { background: #fff; border-bottom: 1px solid #dbe3f1; display: grid; grid-template-columns: 280px 1fr 280px; gap: 20px; align-items: center; padding: 20px 24px; }
.store-logo-area { display: flex; align-items: center; gap: 14px; }
.store-logo-box { width: 64px; height: 64px; border-radius: 16px; display:flex; align-items:center; justify-content:center; font-weight:700; color:#fff; background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.muted { color: #64748b; font-size: 13px; margin-top: 4px; }
.store-search-area input { background: #f8fbff; }
.store-actions { display: flex; justify-content: flex-end; align-items: center; gap: 12px; }
.outline-btn { padding: 12px 16px; border: 1px solid #cbd5e1; border-radius: 10px; background: white; }
.store-nav { background: #fff; padding: 0 24px 18px; display: flex; flex-wrap: wrap; gap: 12px; }
.store-nav a { padding: 10px 14px; border-radius: 10px; background: #f4f7fc; color: #0f172a; }
.hero-panel { margin: 20px 24px 0; border-radius: 24px; padding: 36px; background: linear-gradient(135deg, var(--primary), var(--secondary)); color: white; display: grid; grid-template-columns: 1.5fr 0.8fr; gap: 22px; }
.pill { display: inline-block; padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.16); margin-bottom: 14px; }
.hero-panel h1 { font-size: 42px; line-height: 1.1; margin: 0 0 12px; }
.hero-panel p { max-width: 720px; margin: 0; color: #e0ebff; }
.hero-actions { display:flex; gap: 12px; margin-top: 20px; }
.hero-btn, .ghost-btn { display:inline-block; padding: 14px 18px; border-radius: 12px; font-weight: 700; }
.hero-btn { background: var(--accent); color: white; }
.ghost-btn { background: rgba(255,255,255,.14); color: white; border: 1px solid rgba(255,255,255,.22); }
.hero-side-card { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18); padding: 18px; border-radius: 20px; display: grid; gap: 12px; align-self: center; }
.mini-stat { background: rgba(255,255,255,.12); padding: 14px; border-radius: 16px; }
.mini-stat strong { display:block; font-size: 28px; }
.section-block { padding: 28px 24px 0; }
.section-head { display:flex; align-items:end; justify-content:space-between; margin-bottom: 16px; }
.section-head h2 { margin: 0; font-size: 36px; }
.section-head span { color: #64748b; }
.category-grid, .product-grid { display: grid; gap: 18px; }
.category-grid { grid-template-columns: repeat(4, 1fr); }
.product-grid-4 { grid-template-columns: repeat(4, 1fr); }
.category-card, .product-card, .trust-item, .banner-box { background: #fff; border-radius: 20px; padding: 18px; box-shadow: 0 8px 28px rgba(15,23,42,.08); }
.category-card { display:grid; gap: 8px; }
.category-icon { width: 44px; height: 44px; border-radius: 12px; display:flex; align-items:center; justify-content:center; background: linear-gradient(135deg, #dbeafe, #e0e7ff); color: #1d4ed8; font-weight:700; }
.product-image { height: 180px; background: #f8fafc; border-radius: 14px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-card h3 { font-size: 16px; min-height: 44px; }
.banner-duo { padding: 28px 24px 0; display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.banner-box.blue { background: linear-gradient(135deg, #dbeafe, #eff6ff); }
.banner-box.dark { background: linear-gradient(135deg, #dbeafe, #e9d5ff); }
.banner-box h3 { margin: 10px 0; font-size: 28px; }
.trust-row { padding: 28px 24px 0; display:grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.trust-item { text-align:center; font-weight:700; }
.store-footer { margin-top: 32px; padding: 26px 24px 40px; display:grid; grid-template-columns: 1fr 1fr; gap: 20px; background: #0f172a; color: #dbeafe; }
.store-footer ul { list-style: none; padding: 0; margin: 10px 0 0; display:grid; gap: 8px; }
.store-footer a { color: #dbeafe; }

@media (max-width: 1100px) {
  .store-main-header, .hero-panel, .banner-duo, .trust-row, .category-grid, .product-grid-4, .stats-grid, .two-col, .two-col.wide-left, .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  .admin-header, .store-main-header, .store-actions, .hero-actions, .section-head { flex-direction: column; align-items: flex-start; display:flex; }
}