/* ═══════════════════════════════════════════════════════
   ApexDrip Store — Shared Styles
   Design tokens from landing page
   ═══════════════════════════════════════════════════════ */

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

:root {
  --black: #0a0a0a;
  --white: #f5f5f0;
  --accent: #ff3c00;
  --accent-hover: #ff5522;
  --accent-glow: rgba(255, 60, 0, 0.15);
  --gray: #1a1a1a;
  --gray-mid: #2a2a2a;
  --gray-light: #333;
  --text-dim: #888;
  --text-muted: #666;
  --success: #22c55e;
  --border: rgba(255,255,255,0.06);
  --border-light: rgba(255,255,255,0.1);
}

body {
  font-family: 'Outfit', sans-serif;
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4, .brand { font-family: 'Space Grotesk', sans-serif; }

a { color: var(--white); text-decoration: none; }
img { max-width: 100%; }

/* ─── NAV ─────────────────────────────────────────────── */

nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 1.2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(20px);
  background: rgba(10, 10, 10, 0.85);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
}
.brand span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  transition: color 0.2s;
  font-weight: 500;
}
.nav-links a:hover { color: var(--white); }
.nav-links a.active { color: var(--accent); }

.cart-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.cart-badge {
  position: absolute;
  top: -8px;
  right: -12px;
  background: var(--accent);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
}
.cart-badge:empty,
.cart-badge[data-count="0"] { display: none; }

/* Hamburger (mobile) */
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
}

/* ─── PAGE LAYOUT ─────────────────────────────────────── */

.page-content {
  padding-top: 5rem;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ─── PAGE HEADER ─────────────────────────────────────── */

.page-header {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-header .subtitle {
  color: var(--text-dim);
  font-size: 1rem;
  margin-top: 0.5rem;
  font-weight: 300;
}

/* ─── CATEGORY FILTERS ────────────────────────────────── */

.category-filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-dim);
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}
.filter-btn:hover {
  border-color: var(--accent);
  color: var(--white);
}
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

/* ─── PRODUCT GRID ────────────────────────────────────── */

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.product-card {
  background: var(--black);
  cursor: pointer;
  transition: background 0.3s;
  position: relative;
  overflow: hidden;
}
.product-card:hover {
  background: var(--gray);
}

.product-image {
  aspect-ratio: 4/5;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Category-themed product image backgrounds */
.product-image.jdm {
  background: linear-gradient(135deg, #1a0a0a 0%, #2a1010 50%, #1a0505 100%);
}
.product-image.exotic {
  background: linear-gradient(135deg, #1a1408 0%, #2a2010 50%, #1a1505 100%);
}
.product-image.luxury-sports {
  background: linear-gradient(135deg, #0a0a1a 0%, #101020 50%, #05051a 100%);
}

.product-image-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  opacity: 0.6;
  transition: opacity 0.3s;
}
.product-card:hover .product-image-inner { opacity: 0.8; }

.product-image-icon {
  font-size: 3rem;
  line-height: 1;
}

.product-image-type {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--text-dim);
}

.product-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
}

.product-featured-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--accent);
  color: var(--white);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
}

.product-info {
  padding: 1.25rem 1.5rem 1.5rem;
}

.product-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.product-price {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.product-type-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
}

/* ─── PRODUCT DETAIL PAGE ─────────────────────────────── */

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: calc(100vh - 5rem);
}

.product-detail-image {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-right: 1px solid var(--border);
}

.product-detail-image .product-image-inner {
  opacity: 0.5;
}
.product-detail-image .product-image-icon { font-size: 5rem; }
.product-detail-image .product-image-type { font-size: 0.85rem; }

.product-detail-info {
  padding: 4rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-breadcrumb {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}
.product-breadcrumb a { color: var(--text-dim); }
.product-breadcrumb a:hover { color: var(--accent); }
.product-breadcrumb .sep { margin: 0 0.5rem; opacity: 0.4; }

.product-detail-name {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.product-detail-price {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.product-detail-desc {
  color: var(--text-dim);
  font-size: 1.05rem;
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 2.5rem;
  max-width: 450px;
}

/* Size selector */
.size-selector {
  margin-bottom: 2rem;
}

.size-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
}

.size-options {
  display: flex;
  gap: 0.5rem;
}

.size-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-light);
  background: transparent;
  color: var(--text-dim);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.02em;
}
.size-btn:hover {
  border-color: var(--white);
  color: var(--white);
}
.size-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* Quantity */
.quantity-selector {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.qty-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
}

.qty-controls {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-light);
}

.qty-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  transition: background 0.2s;
}
.qty-btn:hover { background: var(--gray-mid); }

.qty-value {
  width: 48px;
  text-align: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  border-left: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  padding: 0.5rem 0;
}

/* ─── BUTTONS ─────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2.5rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-light);
}
.btn-outline:hover {
  border-color: var(--white);
}

.btn-full { width: 100%; }

/* ─── CART PAGE ───────────────────────────────────────── */

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 0;
  min-height: calc(100vh - 5rem);
}

.cart-items {
  padding: 2rem 0;
  border-right: 1px solid var(--border);
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.cart-item-image {
  width: 100px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}
.cart-item-image .product-image-icon { font-size: 2rem; }

.cart-item-details h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.cart-item-meta {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.8rem;
}

.cart-item-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.cart-item-price {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  text-align: right;
}

.cart-remove {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color 0.2s;
  font-family: 'Space Grotesk', sans-serif;
}
.cart-remove:hover { color: var(--accent); }

.cart-summary {
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  background: var(--gray);
}

.cart-summary h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  font-size: 0.9rem;
}

.summary-row .label { color: var(--text-dim); }

.summary-row.total {
  border-top: 1px solid var(--border-light);
  margin-top: 1rem;
  padding-top: 1.25rem;
}

.summary-row.total .label {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
}

.summary-row.total .value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}

.cart-summary .btn {
  margin-top: 2rem;
}

.cart-note {
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: center;
  line-height: 1.5;
}

/* Cart empty state */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem;
  text-align: center;
  grid-column: 1 / -1;
}

.cart-empty-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  opacity: 0.3;
}

.cart-empty h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.cart-empty p {
  color: var(--text-dim);
  margin-bottom: 2rem;
  font-weight: 300;
}

/* ─── SUCCESS PAGE ────────────────────────────────────── */

.success-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 5rem);
  text-align: center;
  padding: 2rem;
}

.success-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.success-page h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.success-page p {
  color: var(--text-dim);
  font-size: 1.1rem;
  font-weight: 300;
  margin-bottom: 0.5rem;
  max-width: 450px;
}

.success-order-id {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin: 1rem 0 2rem;
}

/* ─── TOAST ───────────────────────────────────────────── */

.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--gray-mid);
  border: 1px solid var(--border-light);
  padding: 1rem 1.5rem;
  border-radius: 4px;
  font-size: 0.9rem;
  color: var(--white);
  z-index: 200;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Space Grotesk', sans-serif;
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}
.toast .toast-accent {
  color: var(--accent);
  font-weight: 600;
}

/* ─── FOOTER ──────────────────────────────────────────── */

.store-footer {
  padding: 2rem 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.store-footer .brand { font-size: 1rem; }
.store-footer .copy {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ─── LOADING STATE ───────────────────────────────────── */

.loading-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}

.loading-card {
  background: var(--black);
  padding: 0;
}

.loading-card .shimmer {
  height: 100%;
  min-height: 350px;
  background: linear-gradient(90deg, var(--gray) 25%, var(--gray-mid) 50%, var(--gray) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ─── RESPONSIVE ──────────────────────────────────────── */

@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .loading-grid { grid-template-columns: repeat(2, 1fr); }
  .cart-layout { grid-template-columns: 1fr; }
  .cart-items { border-right: none; border-bottom: 1px solid var(--border); }
}

@media (max-width: 768px) {
  nav {
    padding: 1rem 1.5rem;
  }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.97);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
  }
  .nav-links.open a { font-size: 1.2rem; }
  .hamburger { display: block; }

  .container { padding: 0 1.5rem; }
  .page-content { padding-top: 4.5rem; }

  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .loading-grid { grid-template-columns: repeat(2, 1fr); }

  .product-detail {
    grid-template-columns: 1fr;
  }
  .product-detail-image {
    aspect-ratio: 4/5;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .product-detail-info {
    padding: 2rem 1.5rem 4rem;
  }

  .cart-item {
    grid-template-columns: 80px 1fr;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
  }
  .cart-item-price {
    grid-column: 2;
    text-align: left;
  }
  .cart-summary { padding: 2rem 1.5rem; }

  .store-footer {
    padding: 1.5rem;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .loading-grid { grid-template-columns: 1fr; }
  .product-name { font-size: 0.9rem; }
  .category-filters { gap: 0.4rem; }
  .filter-btn { padding: 0.4rem 0.9rem; font-size: 0.7rem; }
}