/* DecorNxT Design System */
:root {
    /* Primary Colors */
    --primary: #F59E1B;
    --primary-dark: #D97706;
    --primary-light: #FCD34D;
    
    /* Secondary Colors */
    --secondary: #1E293B;
    --secondary-light: #334155;
    
    /* Accent Colors */
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E1B;
    --info: #3B82F6;
    
    /* Neutral Colors */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Card Enhancements */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.product-card {
    cursor: pointer;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

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

.product-card img {
    transition: transform var(--transition-slow);
}

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

/* Button Enhancements */
.btn {
    border-radius: var(--radius-md);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-1px);
}

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

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

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

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

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

/* Form Enhancements */
.form-control, .form-select {
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    padding: 0.625rem 0.875rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 27, 0.1);
    outline: none;
}

.form-label {
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

/* Badge Enhancements */
.badge {
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: var(--font-size-xs);
}

/* Alert Enhancements */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    border-left: 4px solid;
}

.alert-success {
    background-color: #ECFDF5;
    color: #065F46;
    border-left-color: var(--success);
}

.alert-danger {
    background-color: #FEF2F2;
    color: #991B1B;
    border-left-color: var(--danger);
}

.alert-warning {
    background-color: #FFFBEB;
    color: #92400E;
    border-left-color: var(--warning);
}

.alert-info {
    background-color: #EFF6FF;
    color: #1E40AF;
    border-left-color: var(--info);
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

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

/* Mobile Navigation */
.mobile-nav {
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.mobile-nav a {
    transition: color var(--transition-fast);
}

.mobile-nav a:active {
    transform: scale(0.95);
}

/* Image Gallery */
.img-thumbnail {
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.img-thumbnail:hover {
    border-color: var(--primary);
    transform: scale(1.05);
}

/* Price Display */
.price-display {
    font-weight: 600;
    color: var(--primary);
    font-size: var(--font-size-lg);
}

.price-original {
    text-decoration: line-through;
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    color: white;
    border-radius: var(--radius-xl);
}

/* Table Enhancements */
.table {
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background-color: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
    padding: 0.75rem 1rem;
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    min-width: 300px;
    animation: slideIn 0.3s ease-out;
}

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

/* Responsive Utilities */
@media (max-width: 768px) {
    .hero {
        padding: 2rem 1rem;
    }
    
    .card {
        border-radius: var(--radius-md);
    }
    
    .btn {
        padding: 0.5rem 0.75rem;
        font-size: var(--font-size-sm);
    }
}

/* Focus States */
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
}