/* Navigation Components */
.navigation {
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    padding: var(--space-4) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color var(--transition), box-shadow var(--transition);
}

.navigation.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-md);
}

.dark .navigation.scrolled {
    background-color: rgba(30, 41, 59, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--space-4);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-6);
    display: none;
    transition: color 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
}

@media (min-width: 769px) {
    .nav-links {
        display: flex !important;
    }
    .mobile-menu-btn {
        display: none !important;
    }
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 700;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    display: inline-block;
    position: relative;
    transition: color 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
}

.nav-links a:hover {
    background-color: transparent;
    color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: var(--radius-full);
    transition: width 0.24s cubic-bezier(.2,.8,.2,1), opacity 0.18s;
    opacity: 0;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 70%;
    opacity: 1;
}

.nav-links a.active {
    color: var(--primary-color);
    font-weight: 800;
}

/* Button Components */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-xl);
    font-weight: 600;
    min-height: 56px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary-color);
    font-weight: 600;
    padding: 0;
}

.btn-link:hover {
    text-decoration: underline;
    background: none;
}

/* Enhanced Button Effects */
.enhanced-btn {
    position: relative;
    overflow: hidden;
    transform: perspective(1px) translateZ(0);
}

.enhanced-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.enhanced-btn:hover::before {
    left: 100%;
}

.enhanced-btn-outline {
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    border: 2px solid var(--primary-color);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.2);
}

.enhanced-btn-outline:hover {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.4);
}

/* Card Components */
.enhanced-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.enhanced-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.enhanced-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-color);
}

.enhanced-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Hero Section */
.enhanced-hero {
    position: relative;
    padding: 10rem 0 8rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(102, 126, 234, 0.1) 0%, 
        rgba(118, 75, 162, 0.05) 50%, 
        rgba(240, 147, 251, 0.1) 100%);
}

/* Product Components */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

.product-card {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    height: 400px;
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
    border-color: var(--primary-light);
}

.product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

/* Modal Components */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    opacity: 1;
}

.modal-content {
    background-color: var(--bg-primary);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-2xl);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

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

.modal-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: var(--transition);
}

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

.modal-body {
    padding: var(--space-6);
    overflow-y: auto;
}

.modal-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-4);
}

/* Table Components */
.modern-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.modern-table th {
    background: var(--bg-secondary);
    padding: var(--space-3);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.modern-table td {
    padding: var(--space-3);
    border-bottom: 1px solid var(--border-color);
}

.modern-table tbody tr:hover {
    background: var(--bg-secondary);
}

/* Status Indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.status-indicator::before {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}

.status-indicator.status-active {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success-color);
}

.status-indicator.status-pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.status-indicator.status-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

/* Loading States */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-tertiary);
}

.loading-spinner {
    margin-bottom: var(--space-6);
}

.loading-spinner i {
    font-size: 2.5rem;
    animation: spin 1s linear infinite;
}

/* Empty States */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    color: var(--text-tertiary);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px dashed var(--border-color);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--space-4);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-secondary);
}

.empty-state p {
    font-size: 0.875rem;
    margin-bottom: var(--space-6);
}