/* BoxSnap - Modern Design System */
:root {
  /* Light Mode Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --text-primary: #1a1a2e;
  --text-secondary: #6c757d;
  --border: #e9ecef;
  --card-bg: #ffffff;
  --primary: #8B4513;
  --primary-dark: #5c2d0c;
  --primary-light: #d4a373;
  --success: #28a745;
  --danger: #dc3545;
  --warning: #ffc107;
  --info: #17a2b8;
  --heart: #ff4444;
  --star: #ffc107;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-primary: #121212;
  --bg-secondary: #1e1e2a;
  --text-primary: #f1f1f1;
  --text-secondary: #a0a0a0;
  --border: #2a2a35;
  --card-bg: #1e1e2a;
  --primary: #d4a373;
  --primary-dark: #b5835a;
  --primary-light: #eaddcf;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.25);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
  background: var(--bg-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(var(--bg-primary-rgb), 0.9);
}

.header h1 {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 40px;
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition);
}

.theme-toggle:hover {
  transform: scale(1.05);
  background: var(--primary);
  color: white;
}

/* Buttons */
.btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

/* Product Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
  margin: 32px 0;
}

/* Product Card */
.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.product-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: var(--transition);
}

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

.product-info {
  padding: 20px;
}

.product-name {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.product-price {
  color: var(--primary);
  font-weight: bold;
  font-size: 1.3rem;
  margin-top: 8px;
}

/* Like Button */
.like-container {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding: 8px 0;
}

.like-btn {
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.like-btn:hover {
  transform: scale(1.2);
}

.like-btn.liked {
  color: var(--heart);
  animation: heartBeat 0.3s ease;
}

@keyframes heartBeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.3); }
}

.like-count {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Reviews Section */
.reviews-section {
  margin-top: 48px;
  border-top: 2px solid var(--border);
  padding-top: 40px;
}

.review-form {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.rating-stars {
  display: flex;
  gap: 12px;
  font-size: 2rem;
  cursor: pointer;
}

.rating-stars span {
  transition: var(--transition);
}

.rating-stars span:hover {
  transform: scale(1.2);
}

/* Share Buttons */
.share-buttons {
  display: flex;
  gap: 12px;
  margin: 24px 0;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.share-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.share-whatsapp { background: #25D366; }
.share-facebook { background: #1877F2; }
.share-twitter { background: #1DA1F2; }
.share-copy { background: var(--text-secondary); }

/* Admin Dashboard */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.admin-table th,
.admin-table td {
  border: 1px solid var(--border);
  padding: 14px;
  text-align: left;
}

.admin-table th {
  background: var(--bg-secondary);
  font-weight: 600;
}

.tab-btn {
  background: none;
  border: none;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

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

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 32px;
  box-shadow: var(--shadow-xl);
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  
  .products-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .share-buttons {
    flex-direction: column;
  }
  
  .share-btn {
    justify-content: center;
  }
  
  .header h1 {
    font-size: 1.4rem;
  }
  
  .btn {
    padding: 10px 16px;
    font-size: 0.9rem;
  }
  
  .product-image {
    height: 200px;
  }
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--card-bg);
  border-left: 4px solid var(--primary);
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 1100;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* CSV Preview Section */
.csv-preview {
  background: var(--bg-secondary);
  border: 2px dashed var(--primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

/* 3D Model Container */
.model-container {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-top: 20px;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}