/* ==========================================================================
   ShopEase — Modern Full-Stack E-Commerce Stylesheet
   Pure CSS3 with Modern Flexbox, CSS Grid & Responsive Design System
   ========================================================================== */

:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-focus: #6366f1;
  --primary-light: #eef2ff;
  --primary-border: #c7d2fe;
  --primary-glow: rgba(79, 70, 229, 0.25);

  --indigo-400: #818cf8;
  --indigo-500: #6366f1;
  --indigo-600: #4f46e5;
  --indigo-700: #4338ca;

  --secondary: #475569;
  --secondary-hover: #334155;

  --accent: #f59e0b;
  --accent-light: #fef3c7;

  --success: #10b981;
  --success-light: #ecfdf5;
  --success-border: #a7f3d0;

  --danger: #ef4444;
  --danger-light: #fef2f2;
  --danger-border: #fecaca;

  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --warning-border: #fde68a;

  --info: #0284c7;
  --info-light: #f0f9ff;
  --info-border: #bae6fd;

  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --white: #ffffff;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-indigo: 0 10px 25px -3px rgba(79, 70, 229, 0.35);

  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --max-width: 1240px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  background-color: var(--slate-50);
  color: var(--slate-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

main {
  flex: 1;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--slate-900);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

p {
  color: var(--slate-600);
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar {
  background-color: var(--white);
  border-bottom: 1px solid var(--slate-200);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--indigo-600);
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-badge {
  background-color: var(--indigo-600);
  color: var(--white);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1;
}

.brand-name {
  color: var(--indigo-600);
  font-weight: 800;
}

.brand-name span {
  color: var(--slate-900);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-weight: 500;
  font-size: 0.88rem;
  color: var(--slate-600);
  padding: 0.6rem 0.15rem;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--indigo-600);
}

.nav-link.active {
  color: var(--indigo-600);
  border-bottom-color: var(--indigo-600);
  font-weight: 600;
}

/* Search Bar */
.nav-search {
  flex: 1;
  max-width: 360px;
  position: relative;
}

.search-form {
  display: flex;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 0.55rem 2.25rem 0.55rem 1rem;
  background-color: var(--slate-100);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition);
  color: var(--slate-800);
}

.search-input:focus {
  background-color: var(--white);
  border-color: var(--indigo-600);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.search-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--slate-400);
  padding: 0.35rem;
  cursor: pointer;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.search-btn:hover {
  color: var(--indigo-600);
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cart-icon-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--slate-200);
  background-color: var(--white);
  color: var(--slate-700);
  transition: var(--transition);
}

.cart-icon-btn:hover {
  border-color: var(--indigo-600);
  color: var(--indigo-600);
  background-color: var(--primary-light);
}

.cart-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background-color: var(--indigo-600);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 800;
  min-width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid var(--white);
}

/* User Menu Dropdown */
.user-menu-wrapper {
  position: relative;
}

.user-menu-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem 0.35rem 0.45rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--slate-200);
  background-color: var(--white);
  color: var(--slate-700);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.user-menu-btn:hover {
  border-color: var(--indigo-600);
}

.user-avatar {
  width: 28px;
  height: 28px;
  background-color: var(--slate-200);
  color: var(--slate-600);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 210px;
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
  padding: 0.5rem 0;
  display: none;
  z-index: 200;
}

.user-dropdown.show {
  display: block;
  animation: fadeInDown 0.15s ease-out;
}

.dropdown-header {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--slate-100);
  font-size: 0.85rem;
}

.dropdown-header strong {
  display: block;
  color: var(--slate-900);
  font-size: 0.92rem;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 1rem;
  color: var(--slate-700);
  font-size: 0.88rem;
  transition: var(--transition);
}

.dropdown-item:hover {
  background-color: var(--primary-light);
  color: var(--indigo-600);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--slate-200);
  margin: 0.4rem 0;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--slate-200);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--slate-700);
  cursor: pointer;
}

/* Mobile Nav Drawer */
.mobile-drawer {
  display: none;
  background-color: var(--white);
  border-bottom: 1px solid var(--slate-200);
  padding: 1rem 1.25rem 1.5rem;
}

.mobile-drawer.open {
  display: block;
}

.mobile-drawer .nav-links {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* ==========================================================================
   Alert Messages (Django Messages Framework)
   ========================================================================== */
.messages-container {
  margin-top: 1rem;
}

.alert {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  font-size: 0.92rem;
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
}

.alert-success {
  background-color: var(--success-light);
  color: #065f46;
  border-color: var(--success-border);
}

.alert-danger {
  background-color: var(--danger-light);
  color: #991b1b;
  border-color: var(--danger-border);
}

.alert-warning {
  background-color: var(--warning-light);
  color: #92400e;
  border-color: var(--warning-border);
}

.alert-info {
  background-color: var(--info-light);
  color: #075985;
  border-color: var(--info-border);
}

.alert-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.6;
  color: inherit;
  padding-left: 1rem;
}

.alert-close:hover {
  opacity: 1;
}

/* ==========================================================================
   Buttons System
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.3rem;
  font-weight: 600;
  font-size: 0.92rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--indigo-600);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  background-color: var(--indigo-500);
  box-shadow: 0 6px 18px rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--slate-700);
  border-color: var(--slate-200);
}

.btn-secondary:hover {
  background-color: var(--slate-50);
  border-color: var(--slate-300);
  color: var(--slate-900);
}

.btn-outline {
  background-color: transparent;
  color: var(--indigo-600);
  border-color: var(--indigo-600);
}

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

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

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.82rem;
  border-radius: 6px;
}

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 8px;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn:disabled, .btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* ==========================================================================
   Hero Section (Home Page)
   ========================================================================== */
.hero {
  background: var(--slate-900);
  background-image: radial-gradient(circle at 82% 35%, rgba(79, 70, 229, 0.35) 0%, rgba(15, 23, 42, 0.96) 65%), radial-gradient(circle at 12% 80%, rgba(79, 70, 229, 0.12) 0%, transparent 45%);
  border-bottom: 1px solid var(--slate-800);
  padding: 4.5rem 0;
  overflow: hidden;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 10;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(79, 70, 229, 0.18);
  border: 1px solid rgba(129, 140, 248, 0.35);
  color: var(--indigo-400);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-title {
  font-size: 3.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.hero-title span {
  color: var(--indigo-400);
}

.hero-desc {
  font-size: 1.12rem;
  color: var(--slate-400);
  margin-bottom: 2rem;
  max-width: 520px;
  line-height: 1.65;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-buttons .btn-primary {
  background-color: var(--indigo-600);
  color: var(--white);
  font-weight: 700;
  padding: 0.85rem 1.85rem;
  border-radius: 8px;
  box-shadow: 0 10px 25px -3px rgba(79, 70, 229, 0.4);
}

.hero-buttons .btn-primary:hover {
  background-color: var(--indigo-500);
  transform: translateY(-1px);
  box-shadow: 0 14px 28px -4px rgba(79, 70, 229, 0.45);
}

.hero-buttons .btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--white);
  font-weight: 700;
  padding: 0.85rem 1.85rem;
  border-radius: 8px;
  backdrop-filter: blur(8px);
}

.hero-buttons .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.25);
}

.hero-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  position: relative;
}

.hero-card-img {
  width: 100%;
  height: 270px;
  object-fit: contain;
  background-color: var(--slate-50);
  border-radius: 12px;
  margin-bottom: 1rem;
}

.hero-card-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--slate-900);
}

.hero-card-price {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--indigo-600);
}

/* ==========================================================================
   Section Layouts & Headers
   ========================================================================== */
.section {
  padding: 3.5rem 0;
}

.section-alt {
  background-color: var(--white);
  border-top: 1px solid var(--slate-200);
  border-bottom: 1px solid var(--slate-200);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--slate-900);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.35rem;
}

.section-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 24px;
  background-color: var(--indigo-600);
  border-radius: 9999px;
  flex-shrink: 0;
}

.section-subtitle {
  color: var(--slate-500);
  font-size: 0.95rem;
}

.view-all-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--indigo-600);
  font-size: 0.92rem;
}

.view-all-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Product Cards System
   ========================================================================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.product-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.04);
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--slate-300);
  box-shadow: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -2px rgba(15, 23, 42, 0.04);
}

.product-img-wrap {
  position: relative;
  background-color: var(--slate-100);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  overflow: hidden;
}

.product-img {
  max-height: 165px;
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.product-card:hover .product-img {
  transform: scale(1.05);
}

.badge-discount {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: var(--danger);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.02em;
  z-index: 5;
}

.badge-stock {
  position: absolute;
  top: 10px;
  left: 10px;
  background-color: var(--success);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  z-index: 5;
}

.badge-out-of-stock {
  background-color: #b91c1c;
}

.product-body {
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-category {
  font-size: 0.68rem;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--slate-400);
  margin-bottom: 0.35rem;
  letter-spacing: 0.05em;
}

.product-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--slate-800);
  margin-bottom: 0.5rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.55rem;
}

.product-title a:hover {
  color: var(--indigo-600);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--slate-500);
  margin-bottom: 0.75rem;
}

.star-icon {
  color: #f59e0b;
}

.product-price-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.95rem;
  margin-top: auto;
}

.current-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--slate-900);
}

.old-price {
  font-size: 0.82rem;
  color: var(--slate-400);
  text-decoration: line-through;
}

.product-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
}

.product-actions .btn-primary {
  background-color: var(--slate-900);
  color: var(--white);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 0.85rem;
  box-shadow: none;
}

.product-actions .btn-primary:hover {
  background-color: var(--indigo-600);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.28);
}

.product-actions .btn-secondary {
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
}

/* ==========================================================================
   Categories Grid
   ========================================================================== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

.category-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  padding: 1.5rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: var(--transition);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
}

.category-card:hover {
  transform: translateY(-3px);
  border-color: var(--indigo-600);
  box-shadow: 0 10px 20px -3px rgba(15, 23, 42, 0.08);
}

.category-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  background-color: var(--primary-light);
  color: var(--indigo-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
  transition: var(--transition);
}

.category-card:hover .category-icon-box {
  background-color: var(--indigo-600);
  color: var(--white);
}

.category-name {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.25rem;
}

.category-count {
  font-size: 0.8rem;
  color: var(--slate-500);
}

/* ==========================================================================
   Why Shop With Us (Features / Value Props)
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-box {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
}

.feature-icon-wrap {
  width: 46px;
  height: 46px;
  min-width: 46px;
  border-radius: 10px;
  background-color: var(--primary-light);
  color: var(--indigo-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.feature-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--slate-900);
}

.feature-desc {
  font-size: 0.85rem;
  color: var(--slate-500);
  line-height: 1.45;
}

/* ==========================================================================
   Product Listing Page (Filter & Catalog Layout)
   ========================================================================== */
.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
  margin-bottom: 3.5rem;
}

.filter-sidebar {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  height: fit-content;
}

.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--slate-200);
  margin-bottom: 1.25rem;
}

.filter-group {
  margin-bottom: 1.5rem;
}

.filter-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--slate-900);
}

.filter-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.filter-item a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  color: var(--slate-600);
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
}

.filter-item a:hover, .filter-item.active a {
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.price-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.catalog-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  margin-bottom: 1.5rem;
}

.catalog-count {
  font-size: 0.92rem;
  color: var(--slate-600);
}

.sort-select {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-sm);
  background-color: var(--white);
  font-size: 0.88rem;
  outline: none;
}

/* Pagination */
.pagination-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2.5rem;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 0.5rem;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  background-color: var(--white);
  color: var(--slate-700);
  font-weight: 600;
  font-size: 0.88rem;
}

.page-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.page-btn.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}

/* ==========================================================================
   Product Detail Page
   ========================================================================== */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3rem;
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-top: 1.5rem;
  margin-bottom: 3.5rem;
}

.detail-gallery {
  background-color: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 440px;
}

.detail-img {
  max-height: 380px;
  width: auto;
  object-fit: contain;
}

.detail-info {
  display: flex;
  flex-direction: column;
}

.detail-category {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.detail-title {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.detail-rating-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--slate-200);
}

.detail-price-box {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.detail-current-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--slate-900);
}

.detail-old-price {
  font-size: 1.25rem;
  color: var(--slate-400);
  text-decoration: line-through;
}

.detail-desc {
  font-size: 1rem;
  color: var(--slate-600);
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.stock-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.stock-indicator.in-stock {
  color: var(--success);
}

.stock-indicator.out-of-stock {
  color: var(--danger);
}

.detail-cart-form {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.qty-control {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-md);
  background-color: var(--white);
  overflow: hidden;
}

.qty-btn {
  background: none;
  border: none;
  padding: 0.65rem 0.95rem;
  cursor: pointer;
  font-weight: 700;
  color: var(--slate-700);
  transition: var(--transition);
}

.qty-btn:hover {
  background-color: var(--slate-100);
}

.qty-input {
  width: 50px;
  text-align: center;
  border: none;
  font-weight: 600;
  font-size: 1rem;
  outline: none;
  -moz-appearance: textfield;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* ==========================================================================
   Shopping Cart Page
   ========================================================================== */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 2rem;
  margin-top: 1.5rem;
  margin-bottom: 3.5rem;
}

.cart-table-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.cart-table {
  width: 100%;
  border-collapse: collapse;
}

.cart-table th {
  background-color: var(--slate-50);
  text-align: left;
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--slate-500);
  border-bottom: 1px solid var(--slate-200);
}

.cart-table td {
  padding: 1.25rem;
  border-bottom: 1px solid var(--slate-100);
  vertical-align: middle;
}

.cart-product-cell {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cart-item-thumb {
  width: 70px;
  height: 70px;
  object-fit: contain;
  background-color: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  padding: 0.35rem;
}

.cart-summary-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  height: fit-content;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0;
  font-size: 0.95rem;
  color: var(--slate-600);
}

.summary-total {
  border-top: 1px solid var(--slate-200);
  margin-top: 0.75rem;
  padding-top: 1rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--slate-900);
}

/* ==========================================================================
   Checkout Page
   ========================================================================== */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  margin-top: 1.5rem;
  margin-bottom: 3.5rem;
}

.checkout-form-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-full {
  grid-column: span 2;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 0.4rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.65rem 0.95rem;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-md);
  background-color: var(--white);
  outline: none;
  font-size: 0.92rem;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-error {
  color: var(--danger);
  font-size: 0.8rem;
  margin-top: 0.35rem;
  font-weight: 500;
}

/* Payment Radio */
.payment-option-card {
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

.payment-option-card:hover, .payment-option-card.active {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

/* ==========================================================================
   Order History & Order Detail Pages
   ========================================================================== */
.orders-table {
  width: 100%;
  border-collapse: collapse;
}

.orders-table th {
  background-color: var(--slate-50);
  text-align: left;
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--slate-500);
  border-bottom: 1px solid var(--slate-200);
}

.orders-table td {
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid var(--slate-100);
  vertical-align: middle;
}

/* Badges for status */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-warning { background-color: var(--warning-light); color: #92400e; border: 1px solid var(--warning-border); }
.badge-info { background-color: var(--info-light); color: #075985; border: 1px solid var(--info-border); }
.badge-primary { background-color: #eef2ff; color: var(--indigo-600); border: 1px solid #c7d2fe; }
.badge-secondary { background-color: var(--slate-100); color: var(--slate-700); border: 1px solid var(--slate-300); }
.badge-success { background-color: var(--success-light); color: #065f46; border: 1px solid var(--success-border); }
.badge-danger { background-color: var(--danger-light); color: #991b1b; border: 1px solid var(--danger-border); }

/* ==========================================================================
   Auth Pages (Login / Register)
   ========================================================================== */
.auth-wrapper {
  max-width: 460px;
  margin: 3.5rem auto;
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header h1 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--slate-900);
  margin-bottom: 0.35rem;
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--slate-600);
}

.auth-footer a {
  color: var(--indigo-600);
  font-weight: 600;
}

.auth-footer a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Profile Page Layout
   ========================================================================== */
.profile-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
  margin-bottom: 3.5rem;
}

.profile-card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  height: fit-content;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.04);
}

.profile-avatar-lg {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--indigo-600) 0%, #4338ca 100%);
  color: var(--white);
  font-size: 2rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--white);
  color: var(--slate-600);
  border-top: 1px solid var(--slate-200);
  padding: 3.5rem 0 1.5rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-title {
  color: var(--slate-900);
  font-size: 0.92rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--slate-500);
  line-height: 1.6;
  margin-top: 0.85rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link {
  color: var(--slate-500);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--indigo-600);
}

.footer-bottom {
  border-top: 1px solid var(--slate-200);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--slate-400);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--slate-400);
}

.footer-bottom-links span:hover {
  color: var(--indigo-600);
  cursor: pointer;
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--slate-500);
  letter-spacing: 0.05em;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 9999px;
  display: inline-block;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

/* ==========================================================================
   Empty States & Error Screens
   ========================================================================== */
.empty-state {
  text-align: center;
  padding: 4rem 1.5rem;
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-md);
}

.empty-icon {
  width: 72px;
  height: 72px;
  background-color: var(--slate-100);
  color: var(--slate-400);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-size: 2rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .catalog-layout {
    grid-template-columns: 220px 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-search {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .catalog-layout {
    grid-template-columns: 1fr;
  }
  .detail-layout {
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }
  .detail-gallery {
    height: 300px;
  }
  .cart-layout, .checkout-layout, .profile-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-full {
    grid-column: span 1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}