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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
}

.hero-content {
  text-align: center;
  animation: fadeInUp 1s ease-out;
}

.logo {
  max-width: 150px;
  margin-bottom: 2rem;
  animation: bounce 2s infinite;
}

.hero-content h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  display: inline-block;
}

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

.btn-primary:hover {
  background-color: #2563eb;
}

.btn-secondary {
  background-color: #6b7280;
  color: white;
  border: 2px solid #6b7280;
}

.btn-secondary:hover {
  background-color: #4b5563;
  border-color: #4b5563;
}

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

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

.btn-full {
  width: 100%;
}

/* Auth Forms */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.auth-form {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
  animation: slideInDown 0.5s ease-out;
}

.auth-form .logo {
  display: block;
  margin: 0 auto 1.5rem;
  max-width: 100px;
}

.auth-form h2 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: var(--text-color);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

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

.auth-link {
  text-align: center;
  margin-top: 1rem;
}

.auth-link a {
  color: var(--primary-color);
  text-decoration: none;
}

/* Alerts */
.alert {
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.alert-success {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-danger {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

.alert-warning {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

/* Dashboard Layout */
.dashboard {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  background-color: var(--sidebar-color);
  color: white;
  padding: 1rem;
}

.sidebar-header {
  text-align: center;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 1rem;
}

.sidebar-header .logo {
  max-width: 80px;
  margin-bottom: 0.5rem;
}

.sidebar-nav {
  list-style: none;
}

.sidebar-nav li {
  margin-bottom: 0.5rem;
}

.sidebar-nav a {
  display: block;
  padding: 12px;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 0.3s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background-color: rgba(255, 255, 255, 0.1);
}

.main-content {
  flex: 1;
  padding: 2rem;
  background-color: #f8fafc;
}

.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--secondary-color);
}

/* Cards */
.card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header {
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.table th,
.table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #e5e7eb;
}

.table th {
  background-color: #f8fafc;
  font-weight: 600;
}

/* Product Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.product-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.product-card:hover {
  transform: translateY(-4px);
}

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

.product-info {
  padding: 1rem;
}

.product-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.product-price {
  color: var(--primary-color);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Search Bar */
.search-bar {
  position: relative;
  margin-bottom: 1.5rem;
}

.search-bar input {
  width: 100%;
  padding: 12px 40px 12px 12px;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1rem;
}

.search-bar .search-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--secondary-color);
}

/* Footer */
.footer {
  background-color: var(--sidebar-color);
  color: white;
  text-align: center;
  padding: 2rem 0;
  margin-top: auto;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .dashboard {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    order: 2;
  }

  .main-content {
    order: 1;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }
}