@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;900&family=Cairo:wght@300;400;600;700;900&display=swap');

/* =========================================
   CSS VARIABLES
   ========================================= */
:root {
  --bg: #000000;
  --bg-secondary: #080808;
  --bg-card: #0f0f0f;
  --bg-card-hover: #161616;
  --accent: #39FF14;
  --accent-dim: rgba(57, 255, 20, 0.08);
  --accent-glow: rgba(57, 255, 20, 0.2);
  --accent-hover: #2ce010;
  --text: #ffffff;
  --text-secondary: #888888;
  --text-muted: #444444;
  --border: #1c1c1c;
  --border-light: #252525;
  --border-accent: rgba(57, 255, 20, 0.25);
  --shadow-accent: 0 0 30px rgba(57, 255, 20, 0.12);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --radius: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.2s ease;
  --transition-slow: 0.35s ease;
  --navbar-h: 64px;
}

/* =========================================
   RESET
   ========================================= */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

html[lang="ar"] body { font-family: 'Cairo', sans-serif; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }

/* =========================================
   SCROLLBAR
   ========================================= */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* =========================================
   NAVBAR
   ========================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--navbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.navbar-logo {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  text-shadow: 0 0 20px var(--accent-glow);
  flex-shrink: 0;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.navbar-links a {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.navbar-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.navbar-links a:hover,
.navbar-links a.active { color: var(--accent); }

.navbar-links a:hover::after,
.navbar-links a.active::after { transform: scaleX(1); }

.navbar-right { display: flex; align-items: center; gap: 1rem; }

.cart-btn {
  position: relative;
  color: var(--text);
  font-size: 1.25rem;
  padding: 0.5rem;
  transition: color var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-btn:hover { color: var(--accent); }

.cart-count {
  position: absolute;
  top: 2px; right: 2px;
  background: var(--accent);
  color: #000;
  font-size: 0.6rem;
  font-weight: 800;
  width: 16px; height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.cart-count.hidden { display: none; }

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border-light);
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
}

.lang-btn {
  padding: 0.3rem 0.55rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  transition: all var(--transition);
  cursor: pointer;
  line-height: 1;
}

.lang-btn:first-child { border-right: 1px solid var(--border-light); }
html[dir="rtl"] .lang-btn:first-child { border-right: none; border-left: 1px solid var(--border-light); }

.lang-btn:hover { color: var(--text); background: var(--border); }

.lang-btn.lang-active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

/* Mobile menu toggle */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow), 0 4px 12px rgba(57,255,20,0.2);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent-dim);
  box-shadow: 0 0 12px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-danger {
  background: rgba(255, 50, 50, 0.1);
  color: #ff4444;
  border: 1px solid rgba(255, 50, 50, 0.2);
}
.btn-danger:hover {
  background: rgba(255, 50, 50, 0.2);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* =========================================
   PRODUCT CARDS
   ========================================= */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-slow);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent), var(--shadow-card);
}

.product-card-img {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--bg-secondary);
  position: relative;
  flex-shrink: 0;
}

.product-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-card-img img { transform: scale(1.06); }

.product-card-img .img-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 2rem;
}

.product-badges {
  position: absolute;
  top: 0.75rem; left: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  z-index: 1;
}

html[dir="rtl"] .product-badges { left: auto; right: 0.75rem; }

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
}

.badge-sale { background: var(--accent); color: #000; }
.badge-bestseller { background: #fff; color: #000; }

.product-card-body {
  padding: 1rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.product-card-name {
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}

.product-card-price {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
}

.price-current { font-size: 1rem; font-weight: 700; color: var(--accent); }
.price-original { font-size: 0.8rem; color: var(--text-muted); text-decoration: line-through; }

.product-card-actions {
  display: flex;
  gap: 0.5rem;
  padding: 0 1rem 1rem;
}

.product-card-actions .btn { flex: 1; padding: 0.6rem 0.5rem; font-size: 0.72rem; }

/* =========================================
   SECTIONS
   ========================================= */
.section-wrap {
  padding: 5rem 2.5rem;
  max-width: 1440px;
  margin: 0 auto;
}

.section-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 3rem;
  gap: 0.75rem;
}

.section-title {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
  text-align: center;
}

.section-title span {
  display: block;
  width: 2.5rem;
  height: 2px;
  background: var(--accent);
  margin: 0.7rem auto 0;
  box-shadow: 0 0 8px var(--accent-glow);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

/* =========================================
   CART DRAWER
   ========================================= */
.cart-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1400;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.cart-overlay.open { opacity: 1; pointer-events: all; }

html.preload .cart-drawer,
html.preload .cart-overlay { transition: none !important; }

.cart-drawer {
  position: fixed;
  top: 0; right: 0;
  height: 100%;
  width: min(420px, 100vw);
  background: var(--bg-card);
  border-left: 1px solid var(--border-light);
  z-index: 1500;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

html[dir="rtl"] .cart-drawer {
  right: auto; left: 0;
  border-left: none;
  border-right: 1px solid var(--border-light);
  transform: translateX(-100%);
}

.cart-drawer.open { transform: translateX(0); }
html[dir="rtl"] .cart-drawer.open { transform: translateX(0); }

.cart-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.cart-drawer-title {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.cart-close-btn {
  color: var(--text-secondary);
  font-size: 1.4rem;
  line-height: 1;
  transition: color var(--transition);
}
.cart-close-btn:hover { color: var(--text); }

.cart-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
}

.cart-empty-msg {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.cart-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.cart-item-img {
  width: 72px; height: 92px;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.cart-item-img-placeholder {
  width: 72px; height: 92px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.cart-item-info { flex: 1; min-width: 0; }

.cart-item-name {
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-meta {
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.cart-item-price { font-size: 0.9rem; font-weight: 700; color: var(--accent); }

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
}

.qty-btn {
  width: 26px; height: 26px;
  background: var(--border-light);
  color: var(--text);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.qty-btn:hover { background: var(--accent); color: #000; }

.qty-value {
  font-size: 0.85rem;
  font-weight: 700;
  min-width: 22px;
  text-align: center;
}

.cart-item-remove {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  transition: color var(--transition);
  text-transform: uppercase;
}
html[dir="rtl"] .cart-item-remove { margin-left: 0; margin-right: auto; }
.cart-item-remove:hover { color: #ff4444; }

.cart-drawer-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.cart-total-amount { font-size: 1.4rem; font-weight: 900; color: var(--accent); }

/* =========================================
   MODAL
   ========================================= */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 640px;
  max-height: 92vh;
  overflow-y: auto;
  transform: scale(0.96) translateY(8px);
  transition: transform var(--transition-slow);
}

.modal-overlay.open .modal { transform: scale(1) translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 1;
}

.modal-title {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.modal-close {
  color: var(--text-secondary);
  font-size: 1.4rem;
  line-height: 1;
  transition: color var(--transition);
}
.modal-close:hover { color: var(--text); }

.modal-body { padding: 2rem; }

/* =========================================
   FORMS
   ========================================= */
.form-group { margin-bottom: 1.1rem; }

.form-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  color: var(--text);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  transition: border-color var(--transition);
  -webkit-appearance: none;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}

.form-input::placeholder { color: var(--text-muted); }

textarea.form-input { resize: vertical; min-height: 80px; }

select.form-input { cursor: pointer; }

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

.form-error {
  display: block;
  font-size: 0.72rem;
  color: #ff4444;
  margin-top: 0.3rem;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 2.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
}

.footer a {
  color: var(--accent);
  font-weight: 600;
  transition: opacity var(--transition);
}
.footer a:hover { opacity: 0.8; text-decoration: underline; }

/* =========================================
   TOAST NOTIFICATION
   ========================================= */
.toast-container {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

html[dir="rtl"] .toast-container { right: auto; left: 2rem; }

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.2rem;
  font-size: 0.82rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: var(--shadow-card);
  animation: toastIn 0.3s ease;
  max-width: 300px;
}

.toast.success { border-color: var(--border-accent); }
.toast.success::before { content: '✓'; color: var(--accent); font-weight: 800; }
.toast.error { border-color: rgba(255,50,50,0.3); }
.toast.error::before { content: '✕'; color: #ff4444; font-weight: 800; }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* =========================================
   LOADING SKELETON — static, no animation
   ========================================= */
.skeleton {
  background: var(--bg-card);
  border-radius: var(--radius);
}

/* =========================================
   UTILITY
   ========================================= */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.uppercase { text-transform: uppercase; }
.w-full { width: 100%; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 900px) {
  .navbar { padding: 0 1.25rem; }
  .navbar-links { display: none; }
  .navbar-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--navbar-h); left: 0; right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
    gap: 1.5rem;
    z-index: 800;
  }
  .nav-hamburger { display: flex; }
  .section-wrap { padding: 3rem 1.25rem; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
  .product-card-body { padding: 0.75rem; }
  .product-card-actions { padding: 0 0.75rem 0.75rem; }
  .toast-container { bottom: 1rem; right: 1rem; left: 1rem; }
  .toast { max-width: 100%; }
}

/* =========================================
   MOBILE — prevent iOS input zoom (font-size must be >= 16px)
   ========================================= */
@media (max-width: 768px) {
  .form-input,
  .filter-select,
  .sort-select,
  .catalog-search-input,
  select, input, textarea {
    font-size: 16px !important;
  }

  /* Modal: full-screen bottom sheet on small screens */
  .modal-overlay { align-items: flex-end; padding: 0; }
  .modal {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    max-height: 95vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
  .modal-body { padding: 1.25rem; }
  .modal-header { padding: 1.1rem 1.25rem; }

  /* Cart drawer always full-width on small screens */
  .cart-drawer { width: 100vw; }

  /* Navbar right: tighter on mobile */
  .navbar-right { gap: 0.5rem; }
  .lang-switcher { gap: 0; }
}