:root {
  --primary: #e11d48;
  --primary-dark: #be123c;
  --dark: #16181d;
  --dark-2: #1f2937;
  --text: #0f172a;
  --muted: #6b7280;
  --bg: #f3f4f6;
  --border: #e5e7eb;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== Header público ===== */
.site-header {
  background: var(--dark);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 10px rgba(0,0,0,.2);
}
.site-header .container {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
  flex-wrap: wrap;
}
.brand { font-size: 22px; font-weight: 800; letter-spacing: .3px; }
.brand span { color: var(--primary); }
.site-header form { flex: 1; display: flex; min-width: 220px; }
.site-header input[type="text"] {
  flex: 1;
  padding: 11px 16px;
  border: 1px solid #374151;
  border-radius: 999px 0 0 999px;
  background: var(--dark-2);
  color: #fff;
  font-size: 14px;
  outline: none;
}
.site-header input[type="text"]::placeholder { color: #9ca3af; }
.site-header form button {
  padding: 11px 22px;
  border: 0;
  border-radius: 0 999px 999px 0;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.header-links { display: flex; align-items: center; gap: 18px; font-size: 14px; color: #d1d5db; }
.header-links a:hover { color: #fff; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(120deg, var(--dark) 0%, var(--dark-2) 60%, #111827 100%);
  color: #fff;
  padding: 46px 0 40px;
  text-align: center;
}
.hero h1 { font-size: 34px; margin-bottom: 10px; }
.hero h1 span { color: var(--primary); }
.hero p { color: #9ca3af; max-width: 620px; margin: 0 auto 26px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  border: 0;
  background: var(--primary);
  color: #fff;
  transition: .2s;
}
.btn:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn.ghost { background: transparent; border: 1px solid #4b5563; color: #e5e7eb; }
.btn.ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn.dark { background: var(--dark-2); color: #fff; }
.btn.danger { background: #dc2626; }
.btn.small { padding: 7px 14px; font-size: 13px; }

/* ===== Categorias ===== */
.categories { padding: 26px 0 6px; }
.category-pills { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.pill {
  padding: 9px 20px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  transition: .2s;
}
.pill:hover { border-color: var(--primary); color: var(--primary); }
.pill.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ===== Grid de produtos ===== */
.section-title { padding: 26px 0 14px; display: flex; align-items: center; justify-content: space-between; }
.section-title h2 { font-size: 22px; }
.section-title .count { color: var(--muted); font-size: 14px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  padding-bottom: 40px;
}
.card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: .25s;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(0,0,0,.10); }
.card-image { position: relative; aspect-ratio: 1 / 1; background: #f3f4f6; overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.card:hover .card-image img { transform: scale(1.06); }
.badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 5px 11px;
  border-radius: 999px;
  letter-spacing: .5px;
}
.badge.sale { background: #10b981; }
.card-body { padding: 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-title { font-size: 15px; font-weight: 600; line-height: 1.35; min-height: 40px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }
.stars { color: #f59e0b; }
.card-price { margin-top: auto; display: flex; align-items: baseline; gap: 10px; }
.price { font-size: 20px; font-weight: 800; color: var(--primary); }
.price-old { font-size: 13px; color: var(--muted); text-decoration: line-through; }
.card-btn { margin-top: 10px; width: 100%; text-align: center; }

/* ===== Paginação ===== */
.pagination { display: flex; justify-content: center; gap: 8px; padding-bottom: 50px; }
.pagination a, .pagination span {
  padding: 9px 15px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ===== Produto detalhe ===== */
.product-detail { padding: 40px 0; }
.back-link { color: var(--muted); font-size: 14px; margin-bottom: 20px; display: inline-block; }
.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.product-gallery .main-image { border-radius: var(--radius); overflow: hidden; background: #fff; border: 1px solid var(--border); aspect-ratio: 1/1; }
.product-gallery .main-image img { width: 100%; height: 100%; object-fit: cover; }
.thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.thumbs img { width: 76px; height: 76px; object-fit: cover; border-radius: 10px; border: 2px solid transparent; cursor: pointer; }
.thumbs img.active { border-color: var(--primary); }
.product-info h1 { font-size: 26px; line-height: 1.3; margin-bottom: 12px; }
.product-info .meta { display: flex; gap: 20px; flex-wrap: wrap; color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.product-prices { display: flex; align-items: baseline; gap: 14px; margin: 16px 0; }
.product-prices .price { font-size: 32px; }
.product-prices .price-old { font-size: 17px; }
.product-description { margin: 20px 0; color: #374151; font-size: 15px; }
.product-description p { margin-bottom: 10px; }
.buy-box { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.buy-box .btn { padding: 14px 34px; font-size: 16px; border-radius: 12px; }

footer.site-footer {
  background: var(--dark);
  color: #9ca3af;
  padding: 30px 0;
  text-align: center;
  font-size: 14px;
  margin-top: 30px;
}

/* ===== Empty state ===== */
.empty { text-align: center; padding: 70px 20px; color: var(--muted); }
.empty h3 { color: var(--text); font-size: 20px; margin-bottom: 8px; }

/* ===== Admin layout ===== */
.admin-body { background: #f3f4f6; display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 240px;
  background: var(--dark);
  color: #fff;
  padding: 20px 0;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.admin-sidebar .brand { padding: 0 20px 18px; font-size: 18px; border-bottom: 1px solid #2d3748; margin-bottom: 12px; }
.admin-sidebar nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  color: #cbd5e1;
  font-size: 14px;
  font-weight: 600;
  transition: .15s;
}
.admin-sidebar nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.admin-sidebar nav a.active { background: var(--primary); color: #fff; }
.admin-main { flex: 1; min-width: 0; }
.admin-topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.admin-topbar h1 { font-size: 19px; }
.admin-content { padding: 26px; max-width: 1100px; }

.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-bottom: 26px; }
.stat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.stat .label { font-size: 13px; color: var(--muted); }
.stat .value { font-size: 28px; font-weight: 800; margin-top: 4px; }
.stat .hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

.panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 22px;
}
.panel h2 { font-size: 17px; margin-bottom: 16px; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; color: #374151; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 10px 13px;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: 2px solid var(--primary); border-color: transparent; }
.form-group textarea { min-height: 100px; resize: vertical; }
.form-actions { margin-top: 20px; display: flex; gap: 12px; align-items: center; }

.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; }
table.data th, table.data td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; vertical-align: middle; }
table.data th { background: #f9fafb; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
table.data tr:hover td { background: #f9fafb; }
table.data img.thumb { width: 52px; height: 52px; object-fit: cover; border-radius: 8px; }
table.data .actions { display: flex; gap: 8px; white-space: nowrap; }
.row-actions a, .row-actions button {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  background: #f3f4f6;
  color: var(--text);
  border: 1px solid var(--border);
  cursor: pointer;
}
.row-actions a:hover { background: var(--dark-2); color: #fff; }

.badge-status { padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.badge-status.on { background: #dcfce7; color: #166534; }
.badge-status.off { background: #fee2e2; color: #991b1b; }

.alert { padding: 13px 16px; border-radius: 10px; margin-bottom: 18px; font-size: 14px; }
.alert.success { background: #dcfce7; color: #166534; }
.alert.error { background: #fee2e2; color: #991b1b; }
.alert.info { background: #dbeafe; color: #1e40af; }

.login-body { background: linear-gradient(135deg, var(--dark), var(--dark-2)); min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { background: #fff; border-radius: 16px; padding: 36px; width: 380px; max-width: 92vw; box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.login-card h1 { font-size: 20px; margin-bottom: 4px; }
.login-card .sub { color: var(--muted); font-size: 14px; margin-bottom: 20px; }

.toggle-group { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.toggle-group label { font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.toggle-group input[type="checkbox"] { width: 16px; height: 16px; }

@media (max-width: 768px) {
  .product-layout { grid-template-columns: 1fr; }
  .admin-sidebar { width: 100%; height: auto; position: static; }
  .admin-body { flex-direction: column; }
}