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

:root {
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --primary-light: #c084fc;
  --secondary: #fbbf24;
  --bg-dark: #0f0a1a;
  --bg-card: #1a1025;
  --bg-surface: #241530;
  --text-primary: #f3e8ff;
  --text-secondary: #a78bfa;
  --text-muted: #6b5b7e;
  --border: #2d1f3d;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(124, 58, 237, 0.15);
}

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

body {
  font-family: 'Poppins', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

/* Navbar */
.navbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-light);
  text-decoration: none;
}

.navbar-brand .icon {
  font-size: 1.5rem;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  list-style: none;
}

.navbar-nav a, .navbar-nav button {
  color: var(--text-primary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: all 0.3s;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.9rem;
}

.navbar-nav a:hover, .navbar-nav button:hover {
  background: var(--bg-surface);
  color: var(--primary-light);
}

/* Buttons */
.btn {
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

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

.btn-gold {
  background: var(--secondary);
  color: var(--bg-dark);
}

.btn-gold:hover {
  background: #d4a017;
}

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

.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all 0.3s;
}

.card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

/* Product Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--primary);
}

.product-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.product-card .product-info {
  padding: 1rem;
}

.product-card .product-name {
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--text-primary);
}

.product-card .product-category {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.product-card .product-price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--secondary);
}

.product-card .product-seller {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Categories filter */
.categories-filter {
  display: flex;
  gap: 0.8rem;
  padding: 1.5rem 2rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.categories-filter::-webkit-scrollbar {
  display: none;
}

.category-chip {
  padding: 0.5rem 1.2rem;
  border-radius: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  font-size: 0.85rem;
  transition: all 0.3s;
}

.category-chip:hover, .category-chip.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: all 0.3s;
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal h2 {
  color: var(--primary-light);
  margin-bottom: 1.5rem;
}

.modal .close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.3s;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* Cart */
.cart-sidebar {
  position: fixed;
  right: -400px;
  top: 0;
  width: 380px;
  height: 100vh;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  z-index: 200;
  transition: right 0.3s;
  display: flex;
  flex-direction: column;
}

.cart-sidebar.open {
  right: 0;
}

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

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

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

.cart-item img {
  width: 60px;
  height: 60px;
  border-radius: 8px;
  object-fit: cover;
}

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

.cart-total {
  display: flex;
  justify-content: space-between;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Dashboard */
.dashboard {
  padding: 2rem;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-light);
}

.stat-card .stat-label {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Tables */
.table-container {
  overflow-x: auto;
}

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

th, td {
  padding: 0.8rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.85rem;
}

/* Status badges */
.badge {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-pending { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-confirmed { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-paid { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-cancelled { background: rgba(239, 68, 68, 0.15); color: var(--error); }

/* Mode switcher */
.mode-switcher {
  display: flex;
  background: var(--bg-surface);
  border-radius: var(--radius);
  padding: 0.25rem;
}

.mode-switcher button {
  padding: 0.4rem 1rem;
  border: none;
  background: none;
  color: var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  transition: all 0.3s;
}

.mode-switcher button.active {
  background: var(--primary);
  color: white;
}

/* Hero section */
.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-surface) 100%);
}

.hero h1 {
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Toast notifications */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  min-width: 300px;
  animation: slideIn 0.3s ease;
}

.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--error); }

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

/* Responsive */
@media (max-width: 768px) {
  .navbar { padding: 0.8rem 1rem; }
  .navbar-nav { gap: 0.5rem; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); padding: 1rem; }
  .hero h1 { font-size: 1.8rem; }
  .cart-sidebar { width: 100%; }
  .dashboard { padding: 1rem; }
  .categories-filter { padding: 1rem; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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