/* ============================================================
   TC SIBZ Ncube — Apple-inspired Design System
   Mobile-first, compact, fully responsive
   ============================================================ */

:root {
  --color-primary: #0071e3;
  --color-primary-hover: #0077ed;
  --color-bg-base: #ffffff;
  --color-bg-secondary: #f5f5f7;
  --color-bg-tertiary: #f0f4ff;
  --color-bg-dark: #1d1d1f;
  --color-text-main: #1d1d1f;
  --color-text-secondary: #86868b;
  --color-text-light: #f5f5f7;
  --color-sale-accent: #bf4800;
  --color-success: #00875a;
  --color-border: #d2d2d7;
  --color-overlay: rgba(0,0,0,0.45);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --header-height: 48px;
  --radius-pill: 980px;
  --radius-card: 14px;
  --radius-small: 8px;
  --transition: all 0.28s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --container-width: 1200px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  max-width: 100vw;
  overflow-x: hidden;
}
body {
  font-family: var(--font-family);
  background: var(--color-bg-base);
  color: var(--color-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { opacity: 0.8; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

/* ── Typography ── */
h1,h2,h3,h4,h5,h6 { font-weight: 600; letter-spacing: -0.015em; }

.title-large  { font-size: clamp(28px, 5vw, 52px); font-weight: 700; line-height: 1.08; letter-spacing: -0.01em; }
.title-medium { font-size: clamp(22px, 4vw, 36px); font-weight: 600; line-height: 1.1; }
.title-small  { font-size: clamp(18px, 3vw, 24px); font-weight: 600; }
.text-eyebrow { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-primary); }

/* ── Sticky Header ── */
.site-header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  height: var(--header-height);
  background: rgba(255,255,255,0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.1);
  z-index: 1000;
}

.header-container {
  max-width: var(--container-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  gap: 12px;
}

.header-logo {
  font-weight: 700;
  font-size: 14px;
  color: var(--color-text-main);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}
.header-logo:hover { opacity: 0.7; }

/* Desktop nav */
.header-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}
@media (max-width: 768px) {
  .header-nav { display: none; }
}

.header-nav-link {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-main);    /* FIXED: was fading because of opacity */
  transition: var(--transition);
}
.header-nav-link:hover { color: var(--color-primary); opacity: 1; }

/* Action buttons (search, cart, hamburger) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.header-action-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text-main);    /* FIXED: fully opaque */
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 50%;
  transition: var(--transition);
  -webkit-tap-highlight-color: transparent;
}
.header-action-btn:hover {
  background: rgba(0,0,0,0.06);
  color: var(--color-primary);
}

/* Hamburger: hidden on desktop, shown on mobile */
.mobile-only { display: none; }
@media (max-width: 768px) {
  .mobile-only { display: flex; }
}

/* Cart badge */
.cart-badge {
  position: absolute;
  top: 2px; right: 2px;
  background: var(--color-primary);
  color: white;
  font-size: 9px;
  font-weight: 700;
  min-width: 15px;
  height: 15px;
  border-radius: 10px;
  padding: 0 3px;
  display: none;
  align-items: center;
  justify-content: center;
  border: 2px solid white;
}

/* Mobile nav drawer */
.mobile-nav-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  max-height: 0;
  overflow: hidden;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: 998;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}
.mobile-nav-drawer.is-open {
  max-height: 320px;
}
.mobile-nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-main);
  padding: 14px 20px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: var(--transition);
}
.mobile-nav-link:last-child { border-bottom: none; }
.mobile-nav-link:hover { background: var(--color-bg-secondary); color: var(--color-primary); opacity: 1; }

/* ── App container ── */
.app-content {
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { transform: scale(1.02); text-decoration: none; opacity: 1; }
.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-hover); }

.btn-secondary { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-secondary:hover { background: rgba(0,113,227,0.06); }

.btn-ghost { background: none; color: var(--color-primary); padding: 7px 10px; }

.btn-danger { background: transparent; border-color: #ff3b30; color: #ff3b30; }
.btn-danger:hover { background: rgba(255,59,48,0.08); }

.btn-whatsapp { background: var(--color-success); color: white; border-color: var(--color-success); font-weight: 600; }
.btn-whatsapp:hover { background: #00724b; }

.btn-sm { font-size: 11px; padding: 5px 10px; }

/* ── Scroll animations ── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}
.animate-on-scroll.is-visible { opacity: 1; transform: translateY(0); }

/* ── Sections ── */
.section {
  padding: 56px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.section-alt { background: var(--color-bg-secondary); }
.section-pale-blue { background: var(--color-bg-tertiary); }

.section-title {
  text-align: center;
  margin-bottom: 36px;
  max-width: 560px;
}
.section-title p { color: var(--color-text-secondary); margin-top: 8px; font-size: 14px; }

/* ── Hero ── */
.hero-section {
  position: relative;
  min-height: 480px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 60px 20px 40px;
  overflow: hidden;
}
@media (max-width: 640px) { .hero-section { min-height: 360px; padding: 50px 16px 30px; } }

.hero-section.theme-dark  { background: var(--color-bg-dark); color: var(--color-text-light); }
.hero-section.theme-light { background: var(--color-bg-secondary); color: var(--color-text-main); }

.hero-bg-img {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover; z-index: 1;
}
.hero-section.theme-dark  .hero-bg-img { opacity: 0.5; }
.hero-section.theme-light .hero-bg-img { opacity: 0.7; }

.hero-content { position: relative; z-index: 2; max-width: 560px; }
.hero-subhead { font-size: 16px; margin-top: 8px; color: var(--color-text-secondary); }
.hero-section.theme-dark .hero-subhead { color: #a1a1a6; }
.hero-buttons { margin-top: 20px; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

/* ── Catalog Grid ── */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  width: 100%;
  max-width: var(--container-width);
}
@media (max-width: 480px) {
  .catalog-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}

/* ── Product Cards ── */
.product-card {
  background: white;
  border-radius: var(--radius-card);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 1px solid rgba(0,0,0,0.07);
  box-shadow: 0 2px 12px rgba(0,0,0,0.03);
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.09);
}

.product-badge {
  position: absolute; top: 10px; left: 10px;
  font-size: 9px; font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-new     { background: rgba(0,135,90,0.1); color: var(--color-success); }
.badge-preowned { background: rgba(191,72,0,0.1); color: var(--color-sale-accent); }

.product-card-img-container {
  width: 100%; height: 140px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.product-card-img {
  max-height: 100%; max-width: 100%;
  object-fit: contain;
  transition: var(--transition);
}
.product-card:hover .product-card-img { transform: scale(1.05); }

.product-card-brand {
  font-size: 10px; color: var(--color-text-secondary);
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
  margin-bottom: 3px;
}
.product-card-title {
  font-size: 14px; font-weight: 600;
  color: var(--color-text-main); margin-bottom: 6px;
  line-height: 1.3;
}
.product-card-specs {
  font-size: 11px; color: var(--color-text-secondary);
  margin-bottom: 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 28px;
}
.product-card-prices {
  display: flex; align-items: center; justify-content: center;
  gap: 6px; margin-bottom: 12px;
}
.price-original { font-size: 12px; color: var(--color-text-secondary); text-decoration: line-through; }
.price-current  { font-size: 15px; font-weight: 700; color: var(--color-text-main); }
.price-sale     { color: var(--color-sale-accent); }

.product-card-actions { display: flex; width: 100%; gap: 8px; margin-top: auto; }
.product-card-actions .btn { flex: 1; font-size: 12px; padding: 6px 8px; }

/* ── Catalog Page Layout ── */
.catalog-container {
  display: flex;
  gap: 24px;
  width: 100%;
  max-width: var(--container-width);
}
@media (max-width: 860px) {
  .catalog-container { flex-direction: column; gap: 16px; }
}

.filters-sidebar {
  width: 220px; flex-shrink: 0;
  background: var(--color-bg-secondary);
  padding: 16px; border-radius: var(--radius-card);
  height: fit-content;
}
@media (max-width: 860px) { .filters-sidebar { width: 100%; } }

.filter-section { margin-bottom: 16px; border-bottom: 1px solid rgba(0,0,0,0.06); padding-bottom: 14px; }
.filter-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.filter-title { font-size: 12px; font-weight: 700; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-secondary); }
.filter-group { display: flex; flex-direction: column; gap: 8px; }
.filter-label { display: flex; align-items: center; gap: 7px; font-size: 13px; cursor: pointer; }
.filter-label input { cursor: pointer; }

.search-container { position: relative; width: 100%; margin-bottom: 20px; }
.search-input {
  width: 100%; padding: 10px 40px 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  transition: var(--transition); outline: none; font-size: 14px;
}
.search-input:focus { border-color: var(--color-primary); background: white; box-shadow: 0 0 0 3px rgba(0,113,227,0.12); }
.search-icon { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--color-text-secondary); pointer-events: none; }

.category-tabs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 20px; flex-wrap: nowrap; }
.category-tab {
  background: var(--color-bg-secondary);
  border: none; padding: 7px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 500;
  color: var(--color-text-main);
  cursor: pointer; transition: var(--transition);
  white-space: nowrap; flex-shrink: 0;
}
.category-tab.active  { background: var(--color-text-main); color: white; }
.category-tab:hover:not(.active) { background: #e8e8ed; }

/* ── Product Detail ── */
.detail-container { max-width: 1100px; margin: 0 auto; padding: 32px 16px 60px; }
.detail-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
}
@media (max-width: 768px) {
  .detail-layout { grid-template-columns: 1fr; gap: 24px; }
}
.detail-gallery {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-card);
  padding: 28px; display: flex;
  justify-content: center; align-items: center;
  min-height: 320px;
}
@media (max-width: 768px) { .detail-gallery { min-height: 220px; padding: 20px; } }
.detail-gallery img { max-height: 320px; object-fit: contain; }

.detail-info { display: flex; flex-direction: column; }
.detail-title { font-size: clamp(22px, 4vw, 32px); font-weight: 700; margin: 10px 0; }
.detail-price-row { display: flex; align-items: baseline; gap: 10px; margin-bottom: 16px; }
.detail-price-current { font-size: clamp(20px, 4vw, 26px); font-weight: 700; }
.detail-price-sale { color: var(--color-sale-accent); }
.detail-price-original { font-size: 16px; color: var(--color-text-secondary); text-decoration: line-through; }

.detail-qty-row { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.qty-selector { display: flex; align-items: center; border: 1px solid var(--color-border); border-radius: var(--radius-pill); overflow: hidden; }
.qty-btn { background: none; border: none; width: 34px; height: 34px; cursor: pointer; font-size: 16px; font-weight: 700; transition: var(--transition); }
.qty-btn:hover { background: var(--color-bg-secondary); }
.qty-input { width: 38px; text-align: center; border: none; font-weight: 600; outline: none; font-size: 14px; }

.detail-specs-table { width: 100%; border-collapse: collapse; margin-top: 28px; }
.detail-specs-table tr { border-bottom: 1px solid var(--color-border); }
.detail-specs-table td { padding: 10px 0; font-size: 13px; }
.detail-specs-table td.spec-label { font-weight: 600; color: var(--color-text-secondary); width: 35%; }

/* ── Cart Drawer ── */
.cart-drawer-backdrop {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background: var(--color-overlay); backdrop-filter: blur(4px);
  z-index: 1100; opacity: 0; visibility: hidden; transition: var(--transition);
}
.cart-drawer-backdrop.is-open { opacity: 1; visibility: visible; }

.cart-drawer {
  position: fixed; top: 0; right: -420px;
  width: min(420px, 100vw);
  height: 100vh;
  background: white;
  box-shadow: -8px 0 30px rgba(0,0,0,0.12);
  z-index: 1200; display: flex; flex-direction: column;
  transition: right 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.cart-drawer.is-open { right: 0; }

.cart-drawer-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex; justify-content: space-between; align-items: center;
}
.cart-drawer-close { background: none; border: none; cursor: pointer; font-size: 22px; color: var(--color-text-secondary); padding: 4px 8px; border-radius: 50%; transition: var(--transition); }
.cart-drawer-close:hover { background: var(--color-bg-secondary); color: var(--color-text-main); }

.cart-drawer-content { flex: 1; overflow-y: auto; padding: 16px 20px; }
.cart-item { display: flex; gap: 12px; margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px solid rgba(0,0,0,0.05); align-items: flex-start; }
.cart-item-img { width: 64px; height: 64px; object-fit: contain; background: var(--color-bg-secondary); border-radius: var(--radius-small); padding: 6px; flex-shrink: 0; }
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-title { font-size: 13px; font-weight: 600; margin-bottom: 3px; }
.cart-item-price { font-size: 12px; color: var(--color-text-secondary); }
.cart-item-qty { display: flex; align-items: center; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.cart-item-remove { background: none; border: none; color: #ff3b30; cursor: pointer; font-size: 11px; font-weight: 600; padding: 0; }

.cart-drawer-footer { padding: 16px 20px; border-top: 1px solid var(--color-border); background: var(--color-bg-secondary); }
.cart-total-row { display: flex; justify-content: space-between; font-weight: 700; font-size: 16px; margin-bottom: 14px; }

/* ── Empty States ── */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 20px; text-align: center; }
.empty-state-icon { font-size: 40px; margin-bottom: 14px; }

/* ── Trust Section ── */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px; width: 100%; max-width: 860px;
}
@media (max-width: 600px) { .trust-grid { grid-template-columns: 1fr; } }
.trust-card { text-align: center; padding: 20px 16px; }
.trust-card-icon { font-size: 28px; margin-bottom: 12px; }
.trust-card h3 { font-size: 15px; margin-bottom: 6px; }
.trust-card p { color: var(--color-text-secondary); font-size: 13px; line-height: 1.5; }

/* ── Admin Login ── */
.admin-login-container { display: flex; justify-content: center; align-items: center; min-height: 80vh; padding: 20px; }
.admin-login-card {
  background: white; border-radius: var(--radius-card);
  padding: 32px 28px; width: 100%; max-width: 380px;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}
.admin-login-card h2 { font-size: 24px; margin-bottom: 6px; text-align: center; }
.admin-login-card p { color: var(--color-text-secondary); margin-bottom: 20px; text-align: center; font-size: 13px; }

/* ── Form Controls ── */
.form-group { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: 0.04em; }
.form-control {
  width: 100%; padding: 10px 12px;
  border-radius: var(--radius-small);
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  transition: var(--transition); outline: none; font-size: 14px;
}
.form-control:focus { border-color: var(--color-primary); background: white; box-shadow: 0 0 0 3px rgba(0,113,227,0.1); }
.checkbox-control { flex-direction: row; align-items: center; }
.checkbox-control input { cursor: pointer; margin-right: 8px; }

/* ── Admin Dashboard ── */
.admin-dashboard-container { max-width: 1200px; margin: 0 auto; padding: 24px 16px 60px; }
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.admin-header h1 { font-size: clamp(18px, 3vw, 26px); }

/* Stats row */
.admin-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 24px; }
@media (max-width: 640px) { .admin-stats { grid-template-columns: repeat(2, 1fr); } }
.admin-stat-card { background: white; border: 1px solid var(--color-border); border-radius: var(--radius-card); padding: 14px 16px; }
.admin-stat-card .stat-value { font-size: 22px; font-weight: 700; color: var(--color-primary); }
.admin-stat-card .stat-label { font-size: 11px; color: var(--color-text-secondary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; margin-top: 2px; }

.badge-toggle { cursor: pointer; border: none; padding: 3px 9px; font-size: 11px; font-weight: 700; border-radius: var(--radius-pill); transition: var(--transition); }
.badge-active { background: rgba(0,135,90,0.12); color: var(--color-success); }
.badge-inactive { background: rgba(134,134,139,0.12); color: var(--color-text-secondary); }

/* ── Admin Product Card Grid ── */
.admin-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
@media (max-width: 480px) {
  .admin-product-grid { grid-template-columns: 1fr; gap: 10px; }
}

.admin-product-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 12px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.admin-product-card:hover {
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  border-color: rgba(0,113,227,0.2);
}

.admin-card-img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-small);
  padding: 5px;
  flex-shrink: 0;
}

.admin-card-body {
  flex: 1;
  min-width: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
  flex-wrap: wrap;
}

.admin-card-info { 
  flex: 1; 
  min-width: 120px; 
}

.admin-card-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-main);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.admin-card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 3px;
  flex-wrap: wrap;
}

.admin-card-cat {
  font-size: 11px;
  color: var(--color-text-secondary);
  text-transform: capitalize;
  font-weight: 500;
}

.admin-card-price {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
  flex-shrink: 0;
}

.admin-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  width: 100%;
}

.admin-card-toggles {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.admin-card-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}


/* ── Modals ── */
.modal-backdrop {
  position: fixed; top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: var(--color-overlay);
  backdrop-filter: blur(4px);
  z-index: 1050; display: flex;
  justify-content: center; align-items: flex-start;
  padding: 16px; overflow-y: auto;
}
.modal-card {
  background: white; border-radius: var(--radius-card);
  width: 100%; max-width: 580px;
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
  display: flex; flex-direction: column;
  margin: auto;
}
.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex; justify-content: space-between; align-items: center;
  position: sticky; top: 0; background: white; z-index: 1; border-radius: var(--radius-card) var(--radius-card) 0 0;
}
.modal-body { padding: 20px; }
.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  display: flex; justify-content: flex-end; gap: 10px;
  border-radius: 0 0 var(--radius-card) var(--radius-card);
  position: sticky; bottom: 0;
}

.specs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .specs-grid { grid-template-columns: 1fr; } }

.image-preview-container { display: flex; gap: 14px; align-items: center; margin-top: 8px; flex-wrap: wrap; }
.image-preview {
  width: 72px; height: 72px; border-radius: var(--radius-small);
  border: 1px dashed var(--color-border); display: flex;
  justify-content: center; align-items: center;
  overflow: hidden; background: var(--color-bg-secondary);
  font-size: 11px; color: var(--color-text-secondary);
  flex-shrink: 0;
}
.image-preview img { width: 100%; height: 100%; object-fit: contain; }

/* ── Footer ── */
.site-footer { background: var(--color-bg-secondary); border-top: 1px solid var(--color-border); padding: 40px 16px 20px; }
.footer-container {
  max-width: var(--container-width); margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 32px; margin-bottom: 28px;
}
@media (max-width: 640px) { .footer-container { grid-template-columns: 1fr; gap: 24px; } }
.footer-col h3 { font-size: 13px; color: var(--color-text-main); margin-bottom: 12px; }
.footer-col p { font-size: 12px; color: var(--color-text-secondary); line-height: 1.6; margin-bottom: 12px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 6px; }
.footer-col ul li a { color: var(--color-text-secondary); font-size: 12px; }
.footer-col ul li a:hover { color: var(--color-primary); }
.footer-bottom {
  max-width: var(--container-width); margin: 0 auto;
  border-top: 1px solid var(--color-border); padding-top: 16px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: 11px; color: var(--color-text-secondary);
}

/* ── Alerts ── */
.alert { padding: 10px 14px; border-radius: var(--radius-small); margin-bottom: 16px; font-size: 13px; }
.alert-danger { background: rgba(255,59,48,0.08); color: #ff3b30; border: 1px solid rgba(255,59,48,0.2); }
.alert-success { background: rgba(0,135,90,0.08); color: var(--color-success); border: 1px solid rgba(0,135,90,0.2); }

/* ── Spinner ── */
.spinner { width: 22px; height: 22px; border: 3px solid rgba(0,113,227,0.12); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }