:root {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --text-color: #f8fafc;
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --success-color: #10b981;
  --border-color: #334155;
  --input-bg: #0f172a;
}

body.light-theme {
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-color: #0f172a;
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --border-color: #cbd5e1;
  --input-bg: #f1f5f9;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; -webkit-tap-highlight-color: transparent; }

body { 
  background-color: var(--bg-color); 
  color: var(--text-color); 
  min-height: 100vh; 
  scroll-behavior: smooth;
  overflow-x: hidden;
  animation: fadeInStore 0.6s ease-out;
}

@keyframes fadeInStore {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(59, 130, 246, 0); }
  100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

@keyframes floatCard {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-4px); }
  100% { transform: translateY(0px); }
}

/* NETLIFY-STYLE PAGE LOADER OVERLAY */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-color);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.page-loader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  animation: loaderPulse 1.5s infinite ease-in-out;
}

.loader-logo {
  width: 65px;
  height: 65px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 25px rgba(59, 130, 246, 0.4);
}

.loader-bar {
  width: 140px;
  height: 4px;
  background-color: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.loader-progress {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #a855f7, #3b82f6);
  animation: loadProgress 1.2s infinite linear;
}

.loader-text {
  font-size: 0.82rem;
  color: #94a3b8;
  font-weight: 600;
  letter-spacing: 0.5px;
}

@keyframes loadProgress {
  0% { left: -100%; }
  100% { left: 100%; }
}

@keyframes loaderPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.promo-banner {
  background: linear-gradient(90deg, #f59e0b, #ef4444);
  color: white; text-align: center; padding: 7px 12px; font-size: 0.75rem; font-weight: 700;
}

.top-announcement {
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  color: white; text-align: center; padding: 7px 12px; font-size: 0.78rem; font-weight: 600;
}

/* HEADER */
.admin-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 15px 30px; background-color: var(--card-bg); border-bottom: 1px solid var(--border-color);
  position: sticky; top: 0; z-index: 1000; backdrop-filter: blur(12px);
}

.logo-container { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 45px; height: 45px; border-radius: 50%; object-fit: cover; }
.brand-name {
  font-size: 1.3rem; font-weight: bold;
  background: linear-gradient(90deg, #3b82f6, #a855f7, #3b82f6);
  background-size: 200% auto; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.header-action-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-icon-toggle {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
}

.btn-shop-pulse {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  animation: pulseGlow 2.5s infinite;
  white-space: nowrap;
}

.container { max-width: 1250px; margin: 20px auto; padding: 0 15px; }

.hero-section {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
  border-bottom: 1px solid var(--border-color); padding: 40px 20px; text-align: center;
}
.hero-content h1 { font-size: 2rem; margin-bottom: 10px; font-weight: 800; }
.hero-content p { color: #94a3b8; font-size: 1rem; margin-bottom: 15px; }
.trust-badges-row { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-bottom: 15px; }

.payment-methods-row {
  display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 10px;
}
.pay-badge {
  background: var(--card-bg); border: 1px solid var(--border-color);
  padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 700; color: var(--text-color);
}

.card { background-color: var(--card-bg); padding: 20px; border-radius: 12px; border: 1px solid var(--border-color); margin-bottom: 15px; }
.search-filter-card input {
  width: 100%; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border-color);
  background-color: var(--input-bg); color: var(--text-color); outline: none; font-size: 0.9rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.search-filter-card input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.3);
}

.category-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { 
  background: var(--input-bg); border: 1px solid var(--border-color); padding: 8px 16px; 
  border-radius: 20px; font-size: 0.85rem; cursor: pointer; transition: all 0.3s ease; color: #94a3b8; white-space: nowrap;
}
.chip:hover, .chip.active-chip { background-color: var(--primary-color); color: white; border-color: var(--primary-color); transform: translateY(-1px); }

/* DESKTOP GRID */
.admin-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); 
  gap: 20px; 
}

.product-card {
  background-color: var(--card-bg); border-radius: 10px; border: 1px solid var(--border-color);
  overflow: hidden; transition: all 0.3s ease; position: relative;
  display: flex; flex-direction: column; justify-content: space-between;
  animation: floatCard 4s ease-in-out infinite;
}
.product-card:nth-child(even) { animation-delay: 2s; }
.product-card:hover { transform: translateY(-5px); border-color: var(--primary-color); box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2); }

.product-card.out-of-stock-card { filter: grayscale(100%); opacity: 0.5; border: 1px dashed var(--danger-color); animation: none; }
.product-card.out-of-stock-card::after {
  content: "SOLD OUT"; position: absolute; top: 10px; right: 10px;
  background-color: var(--danger-color); color: white; padding: 3px 8px;
  font-size: 0.65rem; font-weight: bold; border-radius: 4px; letter-spacing: 1px; z-index: 20;
}

.prod-img { width: 100%; height: 150px; object-fit: cover; transition: transform 0.4s ease; }
.product-card:hover .prod-img { transform: scale(1.05); }

.prod-details { padding: 14px; display: flex; flex-direction: column; flex: 1; justify-content: space-between; }

.ribbon-badge {
  position: absolute; top: 15px; left: -35px; transform: rotate(-45deg);
  background: linear-gradient(135deg, #a855f7, #3b82f6); color: white;
  font-size: 0.65rem; font-weight: bold; padding: 5px 40px; text-align: center;
  box-shadow: 0 3px 6px rgba(0,0,0,0.4); z-index: 10; text-transform: uppercase; letter-spacing: 1px;
}
.ribbon-bestseller { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.ribbon-new { background: linear-gradient(135deg, #10b981, #06b6d4); }

.badges-top-right {
  position: absolute; top: 10px; right: 10px;
  display: flex; flex-direction: column; align-items: flex-end; gap: 6px; z-index: 10;
}

.offer-badge {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6); color: white;
  padding: 4px 8px; border-radius: 4px; font-size: 0.65rem; font-weight: 700;
  text-transform: uppercase; box-shadow: 0 2px 6px rgba(59, 130, 246, 0.4);
}

.stock-urgency { font-size: 0.72rem; font-weight: 700; color: #f59e0b; margin-bottom: 6px; }

.btn-primary { 
  background: linear-gradient(135deg, #3b82f6, #8b5cf6); color: white; border: none; padding: 10px 16px; border-radius: 6px; cursor: pointer; font-weight: 600; text-decoration: none; display: inline-block; text-align: center; width: 100%; 
  transition: filter 0.2s ease, transform 0.1s ease;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-primary:active { transform: scale(0.97); }

.btn-secondary { background-color: #334155; color: var(--text-color); border: none; padding: 10px 16px; border-radius: 6px; text-align: center; width: 100%; }
.btn-secondary:hover { background-color: #475569; }
.btn-sm { padding: 8px 12px; font-size: 0.85rem; }

.badge-success { background-color: rgba(16, 185, 129, 0.2); color: #10b981; padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; }

.floating-whatsapp-btn {
  position: fixed; bottom: 20px; right: 20px;
  background: #25d366; color: white;
  padding: 10px 16px; border-radius: 30px;
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 0.9rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999; text-decoration: none;
  transition: transform 0.3s ease;
  animation: pulseGlow 2s infinite;
}
.floating-whatsapp-btn:hover { transform: scale(1.05); }

.purchase-popup {
  position: fixed; bottom: 20px; left: 20px;
  background: var(--card-bg); border: 1px solid var(--primary-color);
  backdrop-filter: blur(10px); padding: 12px 16px; border-radius: 12px;
  display: flex; align-items: center; gap: 12px; z-index: 998;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  transform: translateX(-150%); opacity: 0;
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.5s ease;
  max-width: 320px; pointer-events: none;
}
.purchase-popup.show { transform: translateX(0); opacity: 1; }

.success-toast {
  position: fixed; top: 80px; left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: #10b981; color: white; padding: 10px 20px;
  border-radius: 30px; font-weight: 700; font-size: 0.9rem; z-index: 2000;
  box-shadow: 0 5px 20px rgba(16, 185, 129, 0.4);
  opacity: 0; visibility: hidden; transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.success-toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

.scroll-top-btn {
  position: fixed; bottom: 85px; right: 25px;
  background: var(--card-bg); color: var(--text-color); border: 1px solid var(--border-color);
  width: 42px; height: 42px; border-radius: 50%; font-size: 1.2rem; font-weight: bold;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  z-index: 997; box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.scroll-top-btn.show { opacity: 1; visibility: visible; }
.scroll-top-btn:hover { background: var(--primary-color); border-color: var(--primary-color); transform: translateY(-3px); }

/* MOBILE RESPONSIVE ENHANCEMENTS (Applies ONLY on mobile screens <= 768px wide) */
@media (max-width: 768px) {
  .admin-header { padding: 10px 14px; }
  .brand-logo { width: 34px; height: 34px; }
  .brand-name { font-size: 1rem; }
  
  .hero-section { padding: 25px 12px; }
  .hero-content h1 { font-size: 1.25rem; }
  .hero-content p { font-size: 0.8rem; }
  
  .container { margin: 10px auto; padding: 0 8px; }
  
  .admin-grid { 
    grid-template-columns: repeat(2, 1fr) !important; 
    gap: 10px; 
  }
  
  .prod-img { height: 110px; }
  .prod-details { padding: 10px; }
  .prod-details h4 { font-size: 0.85rem; }
  
  .category-chips {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    scrollbar-width: none;
  }
  .category-chips::-webkit-scrollbar { display: none; }
  .chip { padding: 6px 12px; font-size: 0.78rem; flex-shrink: 0; }
  
  .floating-whatsapp-btn span { display: none; }
  .floating-whatsapp-btn { padding: 10px; border-radius: 50%; bottom: 15px; right: 15px; }
  
  .purchase-popup { left: 10px; bottom: 15px; max-width: 250px; font-size: 0.75rem; }
}