/* frontend/css/style.css - TechSphere Professional Theme */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700;800&family=Outfit:wght@300;400;500;600;700&display=swap');

/* ─── CSS Variables ─────────────────────────────────────────────────── */
:root {
  --bg-primary: #f7f6f3;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-elevated: #f0ede8;
  --border: #e2ddd6;
  --border-light: #cdc7bd;
  --accent: #1a3a5c;
  --accent-dim: rgba(26, 58, 92, 0.07);
  --accent-hover: #122a44;
  --gold: #b8860b;
  --gold-light: #d4a843;
  --gold-dim: rgba(184, 134, 11, 0.1);
  --green: #2d6a4f;
  --green-dim: rgba(45, 106, 79, 0.1);
  --orange: #c05621;
  --orange-dim: rgba(192, 86, 33, 0.1);
  --red: #c0392b;
  --red-dim: rgba(192, 57, 43, 0.1);
  --purple: #553c7b;
  --purple-dim: rgba(85, 60, 123, 0.1);
  --text-primary: #1a1714;
  --text-secondary: #5a5650;
  --text-muted: #9a948e;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Outfit', sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-sm: 6px;
  --shadow: 0 2px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-card: 0 1px 4px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.06);
  --transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset & Base ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: var(--font-body); border: none; outline: none; }
input, select, textarea { font-family: var(--font-body); outline: none; }

/* ─── Scrollbar ─────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── Page Visibility ───────────────────────────────────────────────── */
.page { display: none; animation: fadeSlideIn 0.35s ease; }
.page.active { display: block; }
@keyframes fadeSlideIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* ─── Navigation ────────────────────────────────────────────────────── */
.navbar {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  box-shadow: 0 1px 0 var(--border), 0 2px 12px rgba(0,0,0,0.04);
}
.nav-inner {
  max-width: 1300px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.nav-logo {
  font-family: var(--font-display); font-size: 1.45rem; font-weight: 700;
  color: var(--accent); display: flex; align-items: center; gap: 10px;
  letter-spacing: -0.01em;
}
.nav-logo span { color: var(--gold); }
.nav-logo-icon {
  width: 36px; height: 36px; background: var(--accent);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
}
.nav-links { display: flex; align-items: center; gap: 0.1rem; }
.nav-link {
  padding: 0.5rem 1rem; border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 500; color: var(--text-secondary);
  transition: var(--transition); position: relative; letter-spacing: 0.01em;
}
.nav-link:hover { color: var(--accent); background: var(--accent-dim); }
.nav-link.active { color: var(--accent); font-weight: 600; }
.nav-link.active::after {
  content: ''; position: absolute; bottom: -1px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 2px; background: var(--gold); border-radius: 2px;
}
.nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.cart-btn {
  position: relative; background: var(--bg-elevated);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 0.5rem 1rem; color: var(--text-primary);
  font-size: 0.875rem; font-weight: 500; display: flex; align-items: center; gap: 8px;
  transition: var(--transition);
}
.cart-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.cart-count {
  background: var(--gold); color: #fff; font-size: 0.68rem;
  font-weight: 700; border-radius: 50%; width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  position: absolute; top: -6px; right: -6px;
}
.cart-count.hidden { display: none; }
.admin-btn {
  background: var(--accent); border: 1px solid var(--accent);
  color: #ffffff; border-radius: var(--radius-sm);
  padding: 0.5rem 1.1rem; font-size: 0.875rem; font-weight: 600;
  transition: var(--transition); letter-spacing: 0.01em;
}
.admin-btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

/* ─── Container ─────────────────────────────────────────────────────── */
.container { max-width: 1300px; margin: 0 auto; padding: 0 2rem; }

/* ─── Section Headers ───────────────────────────────────────────────── */
.section-header { margin-bottom: 2rem; }
.section-title {
  font-family: var(--font-display); font-size: 2rem; font-weight: 700;
  color: var(--accent); letter-spacing: -0.02em; line-height: 1.2;
}
.section-subtitle { color: var(--text-secondary); margin-top: 0.5rem; font-size: 0.95rem; }
.section-line {
  width: 36px; height: 3px; background: var(--gold);
  border-radius: 2px; margin-top: 0.75rem;
}

/* ─── Buttons ───────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0.65rem 1.4rem; border-radius: var(--radius-sm);
  font-size: 0.875rem; font-weight: 600; transition: var(--transition);
  border: 1px solid transparent; white-space: nowrap; letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--accent); color: #ffffff;
  box-shadow: 0 2px 8px rgba(26,58,92,0.2);
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 4px 16px rgba(26,58,92,0.3); transform: translateY(-1px); }
.btn-secondary { background: var(--bg-elevated); border-color: var(--border); color: var(--text-primary); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.btn-danger { background: var(--red-dim); border-color: rgba(192,57,43,0.3); color: var(--red); }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-success { background: var(--green-dim); border-color: rgba(45,106,79,0.3); color: var(--green); }
.btn-success:hover { background: var(--green); color: #fff; }
.btn-gold { background: var(--gold); color: #fff; border-color: var(--gold); }
.btn-gold:hover { background: var(--gold-light); }
.btn-sm { padding: 0.4rem 0.85rem; font-size: 0.78rem; }
.btn-lg { padding: 0.85rem 2rem; font-size: 0.95rem; }
.btn-full { width: 100%; justify-content: center; }

/* ─── Cards ─────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: var(--transition); box-shadow: var(--shadow-card);
}
.card:hover { border-color: var(--border-light); box-shadow: var(--shadow); }

/* ─── Product Cards ─────────────────────────────────────────────────── */
.products-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.product-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: var(--transition); display: flex; flex-direction: column;
  box-shadow: var(--shadow-card);
}
.product-card:hover { border-color: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.1); }
.product-card-img {
  width: 100%; height: 180px; object-fit: cover;
  background: var(--bg-elevated);
}
.product-card-img-placeholder {
  width: 100%; height: 180px;
  background: linear-gradient(135deg, #eee9e0 0%, #e2ddd6 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem;
}
.product-card-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.product-category {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--gold); margin-bottom: 0.5rem;
}
.product-name {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  color: var(--accent); margin-bottom: 0.5rem; line-height: 1.3;
}
.product-desc { font-size: 0.83rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 1rem; flex: 1; }
.product-footer { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; flex-wrap: wrap; }
.product-price {
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; color: var(--text-primary);
}
.product-price span { font-size: 0.75rem; color: var(--text-secondary); font-weight: 400; }
.stock-badge {
  font-size: 0.7rem; font-weight: 700; padding: 0.25rem 0.6rem;
  border-radius: 4px; letter-spacing: 0.04em; text-transform: uppercase;
}
.stock-in { background: var(--green-dim); color: var(--green); border: 1px solid rgba(45,106,79,0.2); }
.stock-low { background: var(--orange-dim); color: var(--orange); border: 1px solid rgba(192,86,33,0.2); }
.stock-out { background: var(--red-dim); color: var(--red); border: 1px solid rgba(192,57,43,0.2); }
.product-specs { margin: 0.75rem 0; }
.product-specs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.35rem; }
.spec-item { font-size: 0.78rem; color: var(--text-secondary); }
.spec-item strong { color: var(--text-primary); }

/* ─── Stats Cards ───────────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.5rem;
  transition: var(--transition); box-shadow: var(--shadow-card);
  border-left: 3px solid var(--gold);
}
.stat-card:hover { border-color: var(--border-light); border-left-color: var(--gold); box-shadow: var(--shadow); }
.stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.09em; font-weight: 600; margin-bottom: 0.5rem; }
.stat-value { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--accent); }
.stat-icon { font-size: 1.4rem; margin-bottom: 0.75rem; }

/* ─── Forms ─────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 0.5rem; text-transform: uppercase; letter-spacing: 0.06em; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 0.7rem 1rem;
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-size: 0.9rem; transition: var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(26,58,92,0.08);
  background: #fff;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-select option { background: #fff; color: var(--text-primary); }
.form-textarea { resize: vertical; min-height: 100px; line-height: 1.6; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-error { font-size: 0.8rem; color: var(--red); margin-top: 0.35rem; }

/* ─── Tables ────────────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow-card); }
table { width: 100%; border-collapse: collapse; background: #fff; }
thead tr { background: var(--accent); }
th { padding: 0.85rem 1rem; text-align: left; font-size: 0.72rem; font-weight: 700; color: rgba(255,255,255,0.9); text-transform: uppercase; letter-spacing: 0.09em; white-space: nowrap; }
td { padding: 0.9rem 1rem; font-size: 0.875rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr { transition: var(--transition); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-elevated); }

/* ─── Modals ────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(15, 20, 30, 0.55);
  backdrop-filter: blur(4px); z-index: 2000;
  display: flex; align-items: center; justify-content: center; padding: 1rem;
  opacity: 0; pointer-events: none; transition: opacity 0.25s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); width: 100%; max-width: 560px;
  max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg);
  transform: scale(0.97) translateY(16px);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-overlay.open .modal { transform: none; }
.modal-lg { max-width: 800px; }
.modal-header {
  padding: 1.5rem; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  background: var(--accent);
}
.modal-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: #fff; }
.modal-close {
  width: 30px; height: 30px; border-radius: 50%;
  background: rgba(255,255,255,0.15); border: none;
  color: rgba(255,255,255,0.8); font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: rgba(255,255,255,0.25); color: #fff; }
.modal-body { padding: 1.5rem; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border); display: flex; gap: 0.75rem; justify-content: flex-end; background: var(--bg-elevated); }

/* ─── Toast Notifications ───────────────────────────────────────────── */
.toast-container { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 3000; display: flex; flex-direction: column; gap: 0.75rem; }
.toast {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem 1.25rem;
  display: flex; align-items: center; gap: 0.75rem;
  min-width: 300px; max-width: 400px;
  animation: toastIn 0.3s ease; box-shadow: var(--shadow-lg);
}
.toast.success { border-left: 4px solid var(--green); }
.toast.error { border-left: 4px solid var(--red); }
.toast.warning { border-left: 4px solid var(--orange); }
.toast-icon { font-size: 1.1rem; }
.toast-msg { font-size: 0.875rem; color: var(--text-primary); flex: 1; }
.toast-close { color: var(--text-muted); font-size: 1rem; background: none; }
.toast-close:hover { color: var(--text-secondary); }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: none; } }

/* ─── Loader ────────────────────────────────────────────────────────── */
.loader { display: flex; align-items: center; justify-content: center; padding: 3rem; }
.spinner {
  width: 36px; height: 36px; border: 3px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Empty State ───────────────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 4rem 2rem; color: var(--text-secondary);
}
.empty-state-icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.6; }
.empty-state h3 { font-family: var(--font-display); font-size: 1.25rem; color: var(--accent); margin-bottom: 0.5rem; }

/* ─── Filter Bar ─────────────────────────────────────────────────────  */
.filter-bar {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  align-items: center; margin-bottom: 1.75rem;
}
.filter-chip {
  padding: 0.4rem 0.9rem; border-radius: 4px;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-secondary); font-size: 0.8rem; font-weight: 600;
  transition: var(--transition); cursor: pointer; letter-spacing: 0.03em;
  box-shadow: var(--shadow-card);
}
.filter-chip:hover { border-color: var(--accent); color: var(--accent); }
.filter-chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.search-input-wrap { position: relative; flex: 1; min-width: 200px; max-width: 320px; }
.search-input-wrap input { padding-left: 2.5rem; }
.search-icon {
  position: absolute; left: 0.85rem; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 0.9rem; pointer-events: none;
}

/* ─── Cart Sidebar ───────────────────────────────────────────────────── */
.cart-sidebar {
  position: fixed; top: 0; right: 0; width: 420px; height: 100vh;
  background: #fff; border-left: 1px solid var(--border);
  z-index: 1500; display: flex; flex-direction: column;
  transform: translateX(100%); transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -4px 0 40px rgba(0,0,0,0.1);
}
.cart-sidebar.open { transform: none; }
.cart-sidebar-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.3);
  z-index: 1400; opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.cart-sidebar-overlay.open { opacity: 1; pointer-events: auto; }
.cart-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; background: var(--accent); }
.cart-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: #fff; }
.cart-items { flex: 1; overflow-y: auto; padding: 1rem; background: var(--bg-primary); }
.cart-item {
  display: flex; gap: 1rem; padding: 1rem;
  background: #fff; border-radius: var(--radius);
  margin-bottom: 0.75rem; border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}
.cart-item-info { flex: 1; }
.cart-item-name { font-size: 0.875rem; font-weight: 600; margin-bottom: 0.25rem; color: var(--accent); }
.cart-item-price { font-size: 0.82rem; color: var(--gold); font-weight: 700; }
.cart-qty { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.5rem; }
.qty-btn {
  width: 26px; height: 26px; border-radius: 4px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text-primary); font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.qty-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.qty-val { font-size: 0.875rem; font-weight: 700; min-width: 24px; text-align: center; }
.cart-item-remove { color: var(--text-muted); font-size: 1rem; background: none; align-self: flex-start; transition: var(--transition); }
.cart-item-remove:hover { color: var(--red); }
.cart-footer { padding: 1.25rem; border-top: 1px solid var(--border); background: #fff; }
.cart-total { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.cart-total-label { font-size: 0.85rem; color: var(--text-secondary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.cart-total-val { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--accent); }

/* ─── Admin Sidebar ─────────────────────────────────────────────────── */
.admin-layout { display: flex; min-height: calc(100vh - 68px); }
.admin-sidebar {
  width: 240px; background: var(--accent);
  padding: 1.5rem 0; flex-shrink: 0; position: sticky;
  top: 68px; height: calc(100vh - 68px); overflow-y: auto;
}
.admin-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 0.75rem 1.5rem; color: rgba(255,255,255,0.65);
  font-size: 0.875rem; font-weight: 500; cursor: pointer;
  transition: var(--transition); border-left: 3px solid transparent;
}
.admin-nav-item:hover { color: rgba(255,255,255,0.9); background: rgba(255,255,255,0.08); }
.admin-nav-item.active { color: #fff; border-left-color: var(--gold); background: rgba(255,255,255,0.12); font-weight: 600; }
.admin-content { flex: 1; padding: 2rem; min-width: 0; background: var(--bg-primary); }
.admin-section { display: none; }
.admin-section.active { display: block; animation: fadeSlideIn 0.3s ease; }

/* ─── Tabs ──────────────────────────────────────────────────────────── */
.tabs { display: flex; gap: 0.25rem; border-bottom: 2px solid var(--border); margin-bottom: 1.5rem; }
.tab-btn {
  padding: 0.65rem 1.25rem; font-size: 0.875rem; font-weight: 600;
  color: var(--text-secondary); background: none; border: none;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: var(--transition); letter-spacing: 0.02em;
}
.tab-btn.active { color: var(--accent); border-bottom-color: var(--gold); }
.tab-btn:hover { color: var(--accent); }

/* ─── Hero Section ──────────────────────────────────────────────────── */
.hero {
  padding: 5rem 0 4rem;
  background: linear-gradient(160deg, #1a3a5c 0%, #0d2240 100%);
  position: relative; overflow: hidden; text-align: center;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Crect x='0' y='0' width='40' height='40'/%3E%3Crect x='40' y='40' width='40' height='40'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute;
  bottom: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold) 100%);
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(184,134,11,0.2); border: 1px solid rgba(184,134,11,0.4);
  color: var(--gold-light); padding: 0.4rem 1rem; border-radius: 4px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--font-display); font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800; line-height: 1.1; letter-spacing: -0.02em;
  color: #ffffff; max-width: 800px; margin: 0 auto 1.5rem;
}
.hero-title .highlight { color: var(--gold-light); }
.hero-subtitle { font-size: 1rem; color: rgba(255,255,255,0.7); max-width: 560px; margin: 0 auto 2.5rem; line-height: 1.7; }
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-cta .btn-primary { background: var(--gold); border-color: var(--gold); color: #fff; }
.hero-cta .btn-primary:hover { background: var(--gold-light); }
.hero-cta .btn-secondary { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.3); color: #fff; }
.hero-cta .btn-secondary:hover { background: rgba(255,255,255,0.2); }
.hero-stats {
  display: flex; justify-content: center; gap: 3rem;
  margin-top: 4rem; padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  flex-wrap: wrap;
}
.hero-stat-val { font-family: var(--font-display); font-size: 2.2rem; font-weight: 700; color: #fff; }
.hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.55); margin-top: 0.25rem; letter-spacing: 0.04em; }

/* ─── Services Page ─────────────────────────────────────────────────── */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.25rem; margin-bottom: 3rem; }
.service-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem;
  transition: var(--transition); cursor: pointer; box-shadow: var(--shadow-card);
}
.service-card:hover { border-color: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.08); }
.service-icon {
  width: 52px; height: 52px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 1.25rem; border: 1px solid rgba(184,134,11,0.2);
}
.service-name { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--accent); }
.service-desc { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }
.service-price { margin-top: 1rem; font-size: 0.82rem; color: var(--gold); font-weight: 700; letter-spacing: 0.02em; }

/* ─── Status Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; padding: 0.2rem 0.65rem;
  border-radius: 4px; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.05em; white-space: nowrap; text-transform: uppercase;
}
.badge-blue { background: rgba(26,58,92,0.08); color: var(--accent); border: 1px solid rgba(26,58,92,0.15); }
.badge-green { background: var(--green-dim); color: var(--green); border: 1px solid rgba(45,106,79,0.2); }
.badge-orange { background: var(--orange-dim); color: var(--orange); border: 1px solid rgba(192,86,33,0.2); }
.badge-red { background: var(--red-dim); color: var(--red); border: 1px solid rgba(192,57,43,0.2); }
.badge-purple { background: var(--purple-dim); color: var(--purple); border: 1px solid rgba(85,60,123,0.2); }
.badge-gray { background: var(--bg-elevated); color: var(--text-secondary); border: 1px solid var(--border); }

/* ─── Pagination ────────────────────────────────────────────────────── */
.pagination { display: flex; gap: 0.5rem; justify-content: center; margin-top: 2rem; flex-wrap: wrap; }
.page-btn {
  width: 36px; height: 36px; border-radius: var(--radius-sm);
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-secondary); font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); font-weight: 600; box-shadow: var(--shadow-card);
}
.page-btn:hover, .page-btn.active { border-color: var(--accent); color: #fff; background: var(--accent); }

/* ─── Page Visibility ───────────────────────────────────────────────── */
.page { display: none; animation: fadeSlideIn 0.35s ease; }
.page.active { display: block; }
@keyframes fadeSlideIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ─── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 3rem 0 2.5rem; }
  .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
  .form-grid { grid-template-columns: 1fr; }
  .cart-sidebar { width: 100%; }
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; height: auto; position: static; display: flex; flex-wrap: wrap; gap: 0.25rem; padding: 0.75rem; }
  .admin-nav-item { border-left: none; border-radius: var(--radius-sm); padding: 0.5rem 0.75rem; font-size: 0.8rem; border-bottom: 3px solid transparent; }
  .admin-nav-item.active { border-left: none; border-bottom-color: var(--gold); }
  .admin-content { padding: 1rem; }
}
@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .products-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ─── User Nav Button ───────────────────────────────────────────────────── */
.user-nav-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0.45rem 1rem; border-radius: var(--radius-sm);
  background: var(--accent-dim); border: 1px solid var(--border);
  color: var(--accent); font-size: 0.82rem; font-weight: 600;
  transition: var(--transition); cursor: pointer;
}
.user-nav-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ─── Login Tabs ────────────────────────────────────────────────────────── */
.login-tab {
  flex: 1; padding: 1rem; background: none; border: none;
  font-size: 0.88rem; font-weight: 600; color: var(--text-secondary);
  cursor: pointer; transition: var(--transition);
  border-bottom: 2px solid transparent;
}
.login-tab:hover  { color: var(--accent); background: var(--accent-dim); }
.login-tab.active { color: var(--accent); border-bottom-color: var(--gold); background: var(--accent-dim); }