/* ============================================================
   SilicaGel Pro — Main Stylesheet
   Aesthetic: Industrial precision meets scientific clarity
   Palette: Deep navy, steel white, acid amber accent
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --navy:    #0d1b2a;
  --navy-mid:#162032;
  --navy-lt: #1e3050;
  --steel:   #dce8f5;
  --steel-lt:#f0f5fb;
  --white:   #ffffff;
  --amber:   #f5a623;
  --amber-lt:#ffd07b;
  --amber-dk:#c4811a;
  --green:   #2ec97b;
  --red:     #e5534b;
  --gray:    #6b7a8e;
  --gray-lt: #a8b5c4;
  --border:  #d0dcea;
  --shadow:  0 4px 24px rgba(13,27,42,0.10);
  --shadow-lg:0 12px 48px rgba(13,27,42,0.18);
  --radius:  10px;
  --radius-lg:18px;
  --font-head: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: 0.22s cubic-bezier(.4,0,.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(--steel-lt);
  color: var(--navy);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
ul { list-style: none; }
button { cursor: pointer; border: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* === LAYOUT === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }

/* === TYPOGRAPHY === */
h1,h2,h3,h4 { font-family: var(--font-head); line-height: 1.2; color: var(--navy); }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.1rem; }
p { color: var(--gray); }

/* === TOPBAR === */
.topbar {
  background: var(--navy);
  color: var(--steel);
  font-size: 13px;
  padding: 8px 0;
  font-family: var(--font-mono);
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.topbar-right { display: flex; gap: 20px; }
.topbar-link { color: var(--amber); text-decoration: none; transition: color var(--transition); }
.topbar-link:hover { color: var(--amber-lt); }
.topbar-text { color: var(--gray-lt); }

/* === HEADER === */
.site-header {
  background: var(--white);
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}
.header-inner { display: flex; align-items: center; gap: 32px; padding: 16px 24px; }
.site-logo { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.logo-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-lt) 100%);
  color: var(--amber);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  letter-spacing: 1px;
  flex-shrink: 0;
}
.logo-name { display: block; font-family: var(--font-head); font-size: 1.4rem; color: var(--navy); line-height: 1; }
.logo-tagline { display: block; font-size: 11px; color: var(--gray); font-family: var(--font-mono); letter-spacing: 0.5px; margin-top: 2px; }
.main-nav { display: flex; gap: 4px; margin-left: auto; }
.nav-link {
  padding: 8px 16px; border-radius: 6px; font-size: 15px; font-weight: 500;
  color: var(--navy); transition: all var(--transition);
}
.nav-link:hover, .nav-link.active { background: var(--steel-lt); color: var(--amber-dk); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.cart-btn {
  display: flex; align-items: center; gap: 6px; padding: 8px 16px;
  background: var(--navy); color: var(--white); border-radius: 8px;
  font-size: 14px; font-weight: 500; transition: all var(--transition);
  text-decoration: none; border: none; cursor: pointer;
}
.cart-btn:hover { background: var(--navy-lt); transform: translateY(-1px); }
.cart-count {
  background: var(--steel-lt); color: var(--navy);
  width: 22px; height: 22px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
}
.cart-count.has-items { background: var(--amber); color: var(--navy); }
.mobile-menu-btn { display: none; background: none; font-size: 22px; padding: 4px; color: var(--navy); }
.mobile-nav { display: none; padding: 12px 24px; border-top: 1px solid var(--border); flex-direction: column; gap: 4px; }
.mobile-nav .nav-link { padding: 10px 12px; border-radius: 8px; display: block; }
.mobile-nav.open { display: flex; }

/* === FLASH === */
.flash-message {
  padding: 14px 0; font-weight: 500; font-size: 15px;
  animation: slideDown 0.3s ease;
}
.flash-success { background: #d1fae5; color: #065f46; border-bottom: 2px solid #6ee7b7; }
.flash-error   { background: #fee2e2; color: #991b1b; border-bottom: 2px solid #fca5a5; }
.flash-info    { background: #dbeafe; color: #1e40af; border-bottom: 2px solid #93c5fd; }
@keyframes slideDown { from { opacity:0; transform:translateY(-10px); } to { opacity:1; transform:translateY(0); } }

/* === HERO === */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-lt) 60%, #1a3a5c 100%);
  color: var(--white);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(245,166,35,0.15); color: var(--amber); border: 1px solid rgba(245,166,35,0.3); padding: 6px 14px; border-radius: 100px; font-size: 13px; font-family: var(--font-mono); margin-bottom: 20px; }
.hero h1 { color: var(--white); margin-bottom: 20px; }
.hero h1 em { color: var(--amber); font-style: normal; }
.hero p { color: var(--steel); font-size: 1.1rem; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.1); }
.stat-item { text-align: center; }
.stat-num { font-family: var(--font-head); font-size: 2rem; color: var(--amber); display: block; }
.stat-label { font-size: 12px; color: var(--gray-lt); font-family: var(--font-mono); letter-spacing: 0.5px; }
.hero-visual {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.hero-card {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg); padding: 24px;
  backdrop-filter: blur(8px);
  transition: transform var(--transition);
}
.hero-card:hover { transform: translateY(-4px); }
.hero-card-icon { font-size: 2rem; margin-bottom: 10px; }
.hero-card h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 4px; }
.hero-card p { color: var(--gray-lt); font-size: 12px; }
.hero-card.span-2 { grid-column: span 2; }

/* === BUTTONS === */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius);
  font-size: 15px; font-weight: 500; cursor: pointer;
  border: 2px solid transparent; transition: all var(--transition);
  text-decoration: none; white-space: nowrap;
  font-family: var(--font-body);
}
.btn-primary { background: var(--amber); color: var(--navy); border-color: var(--amber); }
.btn-primary:hover { background: var(--amber-dk); border-color: var(--amber-dk); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,166,35,0.35); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }
.btn-outline-dark { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline-dark:hover { background: var(--navy); color: var(--white); }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-full { width: 100%; justify-content: center; }

/* === SECTION HEADER === */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .kicker {
  display: inline-block; font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--amber-dk); margin-bottom: 12px;
}
.section-header h2 { margin-bottom: 14px; }
.section-header p { max-width: 560px; margin: 0 auto; }

/* === PRODUCT GRID === */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 28px; }

.product-card {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--border); overflow: hidden;
  transition: all var(--transition); display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: var(--amber); }
.product-card-img {
  height: 200px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-lt) 100%);
  position: relative; overflow: hidden;
}
.product-img-placeholder {
  font-size: 64px; opacity: 0.5;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}
.product-grade-badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--amber); color: var(--navy);
  font-size: 10px; font-family: var(--font-mono); font-weight: 500;
  padding: 4px 10px; border-radius: 100px; letter-spacing: 0.5px;
}
.product-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.product-cat { font-size: 12px; font-family: var(--font-mono); color: var(--gray); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.product-card h3 { font-size: 1.1rem; margin-bottom: 8px; line-height: 1.3; }
.product-card p { font-size: 14px; color: var(--gray); margin-bottom: 16px; flex: 1; }
.product-price-from { font-size: 13px; color: var(--gray); margin-bottom: 4px; }
.product-price { font-family: var(--font-head); font-size: 1.5rem; color: var(--navy); }
.product-card-footer { display: flex; gap: 10px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }

/* === PRODUCT DETAIL === */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.product-detail-img {
  aspect-ratio: 1; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-lt) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 120px; opacity: 0.7; position: sticky; top: 100px;
}
.product-detail-info h1 { font-size: 2rem; margin-bottom: 12px; }
.product-grade-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--steel-lt); color: var(--navy-lt);
  border: 1px solid var(--border); padding: 4px 14px;
  border-radius: 100px; font-size: 13px; font-family: var(--font-mono); margin-bottom: 20px;
}
.variant-selector { margin: 24px 0; }
.variant-selector label { display: block; font-weight: 500; margin-bottom: 10px; font-size: 14px; }
.size-options { display: flex; flex-wrap: wrap; gap: 8px; }
.size-option {
  padding: 8px 18px; border: 2px solid var(--border);
  border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: 500;
  transition: all var(--transition); background: var(--white);
  color: var(--navy);
}
.size-option:hover { border-color: var(--amber); }
.size-option.selected { border-color: var(--amber); background: var(--amber); color: var(--navy); }
.size-option.out-of-stock { opacity: 0.4; cursor: not-allowed; text-decoration: line-through; }
.selected-price { font-family: var(--font-head); font-size: 2.2rem; color: var(--navy); margin: 20px 0 8px; }
.selected-price small { font-size: 14px; color: var(--gray); font-family: var(--font-body); font-weight: 400; }
.qty-row { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.qty-control { display: flex; align-items: center; border: 2px solid var(--border); border-radius: 8px; overflow: hidden; }
.qty-btn { width: 40px; height: 40px; background: var(--steel-lt); display: flex; align-items: center; justify-content: center; font-size: 18px; cursor: pointer; transition: background var(--transition); }
.qty-btn:hover { background: var(--amber); }
.qty-input { width: 60px; height: 40px; text-align: center; border: none; font-size: 16px; font-weight: 500; color: var(--navy); background: var(--white); }
.product-tabs { margin: 48px 0; }
.tab-nav { display: flex; gap: 0; border-bottom: 2px solid var(--border); }
.tab-btn {
  padding: 12px 24px; font-size: 15px; font-weight: 500; cursor: pointer;
  border: none; background: none; color: var(--gray);
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: all var(--transition);
}
.tab-btn.active { color: var(--navy); border-bottom-color: var(--amber); }
.tab-content { padding: 28px 0; display: none; }
.tab-content.active { display: block; }
.specs-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.specs-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 14px; }
.specs-table td:first-child { font-weight: 500; color: var(--navy); width: 40%; background: var(--steel-lt); }
.specs-table td:last-child { font-family: var(--font-mono); color: var(--gray); }
.applications-list { display: flex; flex-wrap: wrap; gap: 10px; }
.app-tag { background: var(--steel-lt); border: 1px solid var(--border); padding: 6px 14px; border-radius: 100px; font-size: 13px; color: var(--navy-lt); }

/* === FILTERS === */
.filter-bar {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px 24px; margin-bottom: 32px;
  display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
}
.filter-label { font-weight: 500; font-size: 14px; color: var(--navy); margin-right: 4px; }
.filter-btn {
  padding: 6px 16px; border: 2px solid var(--border); border-radius: 100px;
  font-size: 13px; cursor: pointer; background: var(--white); color: var(--gray);
  transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active { border-color: var(--amber); color: var(--amber-dk); background: rgba(245,166,35,0.08); }

/* === BREADCRUMB === */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--gray); padding: 16px 0; }
.breadcrumb a { color: var(--gray); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--navy); }
.breadcrumb span { color: var(--gray-lt); }

/* === PAGE BANNER === */
.page-banner {
  background: linear-gradient(135deg, var(--navy), var(--navy-lt));
  color: var(--white); padding: 60px 0;
}
.page-banner h1 { color: var(--white); font-size: 2.2rem; }
.page-banner p { color: var(--steel); margin-top: 8px; }

/* === ABOUT / FEATURES === */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; }
.feature-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 24px; text-align: center;
  transition: all var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow-lg); border-color: var(--amber); transform: translateY(-4px); }
.feature-icon { font-size: 2.5rem; margin-bottom: 16px; display: block; }
.feature-card h3 { margin-bottom: 10px; font-size: 1.1rem; }
.feature-card p { font-size: 14px; }

/* === CART === */
.cart-layout { display: grid; grid-template-columns: 1fr 360px; gap: 40px; align-items: start; }
.cart-table-wrap { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th { padding: 16px 20px; text-align: left; font-size: 13px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 1px; color: var(--gray); background: var(--steel-lt); border-bottom: 1px solid var(--border); }
.cart-table td { padding: 20px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.cart-item-name { font-weight: 500; color: var(--navy); }
.cart-item-sub { font-size: 13px; color: var(--gray); margin-top: 2px; }
.cart-qty { display: flex; align-items: center; gap: 8px; }
.cart-qty input { width: 60px; padding: 6px 10px; border: 2px solid var(--border); border-radius: 6px; text-align: center; font-size: 15px; }
.cart-remove { color: var(--red); font-size: 14px; background: none; border: none; cursor: pointer; padding: 4px 8px; border-radius: 4px; transition: background var(--transition); }
.cart-remove:hover { background: #fee2e2; }

.order-summary {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; position: sticky; top: 100px;
}
.order-summary h3 { margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.summary-row { display: flex; justify-content: space-between; padding: 10px 0; font-size: 15px; }
.summary-row.total { border-top: 2px solid var(--border); margin-top: 8px; padding-top: 16px; font-family: var(--font-head); font-size: 1.3rem; color: var(--navy); }
.summary-row.total span:last-child { color: var(--amber-dk); }
.gst-note { font-size: 12px; color: var(--gray); margin: 8px 0 20px; font-family: var(--font-mono); }

/* === FORMS === */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: span 2; }
.form-group label { font-size: 14px; font-weight: 500; color: var(--navy); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px; border: 2px solid var(--border); border-radius: var(--radius);
  font-size: 15px; color: var(--navy); background: var(--white);
  transition: border-color var(--transition); width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--amber); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group .hint { font-size: 12px; color: var(--gray); }
.form-section-title { font-family: var(--font-head); font-size: 1.2rem; margin: 32px 0 20px; padding-bottom: 10px; border-bottom: 1px solid var(--border); color: var(--navy); }

/* === AUTH PAGES === */
.auth-wrap { min-height: 80vh; display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.auth-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 48px; width: 100%; max-width: 460px; box-shadow: var(--shadow-lg); }
.auth-card h2 { margin-bottom: 8px; }
.auth-card .auth-sub { color: var(--gray); margin-bottom: 32px; }

/* === ORDER CONFIRMATION === */
.confirm-hero { text-align: center; padding: 60px 0 40px; }
.confirm-icon { font-size: 4rem; margin-bottom: 16px; display: block; }
.order-detail-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; margin: 32px 0; }
.order-detail-header { background: var(--navy); color: var(--white); padding: 20px 28px; display: flex; justify-content: space-between; align-items: center; }
.order-detail-body { padding: 28px; }

/* === CONTACT === */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item-icon { width: 48px; height: 48px; background: var(--steel-lt); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; flex-shrink: 0; }
.contact-item-text h4 { margin-bottom: 4px; }
.contact-item-text p { font-size: 14px; }
.contact-form-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; }

/* === ADMIN PANEL === */
.admin-body { font-family: var(--font-body); background: #f1f5f9; color: var(--navy); }
.admin-wrapper { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 260px; background: var(--navy); color: var(--steel);
  display: flex; flex-direction: column; flex-shrink: 0; position: fixed;
  top: 0; left: 0; height: 100vh; overflow-y: auto;
}
.admin-sidebar-logo { padding: 28px 24px 20px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.admin-logo-text { font-family: var(--font-head); font-size: 1.4rem; color: var(--white); display: block; }
.admin-logo-sub { font-size: 11px; color: var(--gray-lt); font-family: var(--font-mono); letter-spacing: 0.5px; }
.admin-nav { padding: 20px 12px; flex: 1; }
.admin-nav-section { margin-bottom: 24px; }
.admin-nav-label { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--gray-lt); font-family: var(--font-mono); padding: 0 12px; margin-bottom: 8px; }
.admin-nav-link {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px;
  border-radius: 8px; font-size: 14px; color: var(--gray-lt); margin-bottom: 2px;
  transition: all var(--transition); text-decoration: none;
}
.admin-nav-link:hover { background: rgba(255,255,255,0.08); color: var(--white); }
.admin-nav-link.active { background: var(--amber); color: var(--navy); font-weight: 500; }
.admin-nav-link .icon { width: 20px; text-align: center; font-size: 16px; }
.admin-main { margin-left: 260px; flex: 1; display: flex; flex-direction: column; }
.admin-topbar {
  background: var(--white); border-bottom: 1px solid var(--border);
  padding: 16px 32px; display: flex; justify-content: space-between; align-items: center;
  position: sticky; top: 0; z-index: 50; box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
.admin-page-title { font-family: var(--font-head); font-size: 1.4rem; color: var(--navy); }
.admin-user { display: flex; align-items: center; gap: 12px; font-size: 14px; }
.admin-avatar { width: 36px; height: 36px; background: var(--navy); color: var(--amber); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 600; font-family: var(--font-mono); }
.admin-content { padding: 32px; flex: 1; }

/* === ADMIN CARDS === */
.admin-stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 32px; }
.admin-stat {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  display: flex; flex-direction: column; gap: 12px;
}
.stat-label-admin { font-size: 13px; color: var(--gray); font-family: var(--font-mono); }
.stat-value { font-family: var(--font-head); font-size: 2rem; color: var(--navy); }
.stat-change { font-size: 13px; }
.stat-change.up { color: var(--green); }
.stat-change.dn { color: var(--red); }

/* === ADMIN TABLE === */
.admin-table-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.admin-table-header { padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); }
.admin-table-title { font-family: var(--font-head); font-size: 1.1rem; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { padding: 14px 20px; text-align: left; font-size: 12px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 1px; color: var(--gray); background: var(--steel-lt); border-bottom: 1px solid var(--border); }
.admin-table td { padding: 16px 20px; border-bottom: 1px solid var(--border); font-size: 14px; vertical-align: middle; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--steel-lt); }
.table-actions { display: flex; gap: 8px; }
.table-btn { padding: 5px 12px; border-radius: 6px; font-size: 13px; cursor: pointer; border: none; font-family: var(--font-body); transition: all var(--transition); }
.table-btn-edit { background: #dbeafe; color: #1d4ed8; }
.table-btn-edit:hover { background: #1d4ed8; color: #fff; }
.table-btn-del { background: #fee2e2; color: #dc2626; }
.table-btn-del:hover { background: #dc2626; color: #fff; }
.table-btn-view { background: var(--steel-lt); color: var(--navy); }
.table-btn-view:hover { background: var(--navy); color: #fff; }

/* === STATUS BADGES === */
.badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 100px; font-size: 12px; font-weight: 500; font-family: var(--font-mono); }
.badge-pending  { background: #fef9c3; color: #a16207; }
.badge-confirmed{ background: #dbeafe; color: #1d4ed8; }
.badge-processing{ background: #ede9fe; color: #5b21b6; }
.badge-shipped  { background: #d1fae5; color: #065f46; }
.badge-delivered{ background: #dcfce7; color: #14532d; }
.badge-cancelled{ background: #fee2e2; color: #991b1b; }
.badge-paid     { background: #d1fae5; color: #065f46; }
.badge-active   { background: #d1fae5; color: #065f46; }
.badge-inactive { background: #fee2e2; color: #991b1b; }

/* === ADMIN FORM === */
.admin-form-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; }
.admin-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.admin-form-group { display: flex; flex-direction: column; gap: 6px; }
.admin-form-group.full { grid-column: span 2; }
.admin-form-group label { font-size: 13px; font-weight: 500; color: var(--navy); }
.admin-form-group input,
.admin-form-group select,
.admin-form-group textarea {
  padding: 10px 14px; border: 2px solid var(--border); border-radius: 8px;
  font-size: 14px; color: var(--navy); background: var(--white); width: 100%;
  transition: border-color var(--transition);
}
.admin-form-group input:focus,
.admin-form-group select:focus,
.admin-form-group textarea:focus { outline: none; border-color: var(--amber); }
.admin-form-group textarea { min-height: 90px; resize: vertical; }
.admin-form-actions { display: flex; gap: 12px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border); }

/* Pagination */
.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 24px; }
.page-btn { width: 36px; height: 36px; border: 2px solid var(--border); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 14px; cursor: pointer; background: var(--white); color: var(--navy); transition: all var(--transition); text-decoration: none; }
.page-btn:hover, .page-btn.active { border-color: var(--amber); background: var(--amber); color: var(--navy); }
.page-btn.disabled { opacity: 0.4; pointer-events: none; }

/* === FOOTER === */
.site-footer { background: var(--navy); color: var(--steel); padding: 80px 0 0; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 60px; }
.footer-logo { font-family: var(--font-head); font-size: 1.8rem; color: var(--white); margin-bottom: 14px; }
.footer-brand p { font-size: 14px; color: var(--gray-lt); margin-bottom: 6px; }
.footer-certifications { display: flex; gap: 10px; margin-top: 16px; }
.cert-badge { font-size: 11px; font-family: var(--font-mono); border: 1px solid rgba(255,255,255,0.2); padding: 4px 12px; border-radius: 100px; color: var(--gray-lt); }
.footer-col h4 { color: var(--white); font-family: var(--font-head); font-size: 1rem; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { color: var(--gray-lt); font-size: 14px; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--amber); }
.footer-contact { color: var(--gray-lt); font-size: 14px; }
.footer-packages { margin-top: 16px; font-size: 13px; color: var(--gray-lt); line-height: 1.8; }
.btn-whatsapp-footer { display: inline-block; margin: 16px 0; background: #25d366; color: white; padding: 10px 20px; border-radius: 8px; font-size: 14px; font-weight: 500; transition: opacity var(--transition); }
.btn-whatsapp-footer:hover { opacity: 0.9; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 24px 0; display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--gray-lt); flex-wrap: wrap; gap: 12px; }
.footer-bottom-links a { color: var(--gray-lt); margin: 0 4px; transition: color var(--transition); }
.footer-bottom-links a:hover { color: var(--amber); }

/* WhatsApp Float */
.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 200;
  background: #25d366; width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: all var(--transition); animation: pulse 2s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); }
@keyframes pulse { 0%,100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); } 50% { box-shadow: 0 4px 32px rgba(37,211,102,0.7); } }

/* === EMPTY STATES === */
.empty-state { text-align: center; padding: 80px 24px; }
.empty-state-icon { font-size: 4rem; margin-bottom: 20px; opacity: 0.5; display: block; }
.empty-state h3 { margin-bottom: 10px; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .admin-stat-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: grid; grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .main-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .cart-layout { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .admin-form-grid { grid-template-columns: 1fr; }
  .admin-form-group.full { grid-column: span 1; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .admin-sidebar { transform: translateX(-100%); transition: transform 0.3s ease; z-index: 200; }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .admin-stat-grid { grid-template-columns: 1fr; }
  .hero-visual { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 12px; }
}