/* ========================================
   Modern Shoe Customizer Pro - CSS
   ======================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    
    /* Secondary Colors */
    --secondary: #64748b;
    --secondary-dark: #475569;
    --secondary-light: #94a3b8;
    
    /* Accent Colors */
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --accent-light: #fbbf24;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
    --font-size-4xl: 2.25rem;
    
    /* 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;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Layout */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
    --top-bar-height: 70px;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    color: var(--white);
}

.loading-logo {
    font-size: 4rem;
    margin-bottom: var(--spacing-4);
    animation: pulse 2s infinite;
}

.loading-content h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-8);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
    background: var(--gray-50);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
}

.logo i {
    color: var(--primary);
    font-size: var(--font-size-2xl);
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-4) 0;
}

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

.nav-item {
    margin-bottom: var(--spacing-1);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-6);
    color: var(--gray-600);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.nav-link.active {
    background: var(--primary-50);
    color: var(--primary);
    font-weight: 600;
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary);
}

.nav-link i {
    font-size: var(--font-size-lg);
    width: 20px;
    text-align: center;
}

.nav-badge {
    background: var(--error);
    color: var(--white);
    font-size: var(--font-size-xs);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-full);
    font-weight: 600;
    margin-left: auto;
}

.sidebar-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--gray-200);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    color: var(--gray-900);
    font-size: var(--font-size-sm);
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.logout-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3);
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-lg);
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
}

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

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    transition: margin-left var(--transition-normal);
}

.sidebar.collapsed + .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* Top Bar */
.top-bar {
    height: var(--top-bar-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-6);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.search-container {
    position: relative;
    display: flex;
    align-items: center;
}

.search-container i {
    position: absolute;
    left: var(--spacing-3);
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

#global-search {
    padding: var(--spacing-3) var(--spacing-3) var(--spacing-3) var(--spacing-10);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    width: 300px;
    background: var(--gray-50);
    transition: all var(--transition-fast);
}

#global-search:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.notifications {
    position: relative;
}

.notification-btn {
    background: none;
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    padding: var(--spacing-3);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    position: relative;
}

.notification-btn:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.notification-badge {
    position: absolute;
    top: var(--spacing-1);
    right: var(--spacing-1);
    background: var(--error);
    color: var(--white);
    font-size: var(--font-size-xs);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-full);
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Content Area */
.content-area {
    flex: 1;
    padding: var(--spacing-6);
    overflow-y: auto;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
    animation: fadeInUp 0.3s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Header */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-8);
    padding-bottom: var(--spacing-6);
    border-bottom: 2px solid var(--gray-200);
}

.section-title h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.section-title p {
    color: var(--gray-500);
    font-size: var(--font-size-lg);
}

.section-actions {
    display: flex;
    gap: var(--spacing-3);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.stat-icon.pending {
    background: linear-gradient(135deg, var(--warning), var(--accent-dark));
}

.stat-icon.confirmed {
    background: linear-gradient(135deg, var(--success), #059669);
}

.stat-icon.shipped {
    background: linear-gradient(135deg, var(--info), #2563eb);
}

.stat-icon.revenue {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.stat-content h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-1);
}

.stat-content p {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Filters Card */
.filters-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-8);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.filters {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: var(--spacing-4);
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.filter-group label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrapper i {
    position: absolute;
    left: var(--spacing-3);
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

#search-orders {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-3) var(--spacing-3) var(--spacing-10);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    background: var(--white);
    transition: all var(--transition-fast);
}

#search-orders:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.filter-select,
.date-input {
    padding: var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    background: var(--white);
    transition: all var(--transition-fast);
}

.filter-select:focus,
.date-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
}

/* Table Card */
.table-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.table-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.table-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
}

.table-actions {
    display: flex;
    gap: var(--spacing-3);
}

.table-container {
    overflow-x: auto;
}

.orders-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.orders-table thead {
    background: var(--gray-50);
}

.orders-table th {
    padding: var(--spacing-4) var(--spacing-6);
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

.orders-table td {
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
}

.orders-table tbody tr {
    transition: all var(--transition-fast);
}

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

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-pending {
    background: var(--warning);
    color: var(--white);
}

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

.status-in-production {
    background: var(--info);
    color: var(--white);
}

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

.status-delivered {
    background: var(--gray-600);
    color: var(--white);
}

.status-cancelled {
    background: var(--error);
    color: var(--white);
}

/* Status Dropdown */
.status-dropdown {
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    background: var(--white);
    color: var(--gray-900);
    transition: all var(--transition-fast);
    min-width: 140px;
}

.status-dropdown:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.status-dropdown:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.status-dropdown option {
    padding: var(--spacing-2);
    font-weight: 500;
}

/* Status Cell with Indicator */
.status-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.status-indicator-pending {
    background: #f59e0b;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.status-indicator-confirmed {
    background: #10b981;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.status-indicator-in-production {
    background: #3b82f6;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.status-indicator-shipped {
    background: #8b5cf6;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(139, 92, 246, 0.2);
}

.status-indicator-delivered {
    background: #059669;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(5, 150, 105, 0.2);
}

.status-indicator-cancelled {
    background: #ef4444;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8), 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* Phone Info */
.phone-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.phone-info strong {
    font-size: var(--font-size-sm);
    color: var(--gray-900);
    font-weight: 600;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: var(--spacing-2);
}

.action-btn {
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background: var(--white);
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.action-btn:hover {
    background: var(--gray-100);
    color: var(--gray-900);
    transform: translateY(-1px);
}

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

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

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

.action-btn.danger:hover {
    background: #dc2626;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-normal);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-1px);
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-xs);
}

.btn-block {
    width: 100%;
}

/* Modal Styles */
.modal.show {
    display: flex !important;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: var(--spacing-4);
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    animation: slideInUp 0.3s ease-out;
}

.modal-content.large {
    max-width: 900px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.modal-title h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin: 0;
}

.modal-title p {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    margin: var(--spacing-1) 0 0 0;
}

.close-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    color: var(--gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.close-btn:hover {
    background: var(--error);
    color: var(--white);
    transform: scale(1.1);
}

.modal-body {
    padding: var(--spacing-6);
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-4);
    justify-content: flex-end;
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-6);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 600;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i {
    position: absolute;
    left: var(--spacing-4);
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    z-index: 1;
}

.input-wrapper input,
.input-wrapper textarea,
.input-wrapper select {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4) var(--spacing-3) var(--spacing-10);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-family: inherit;
    background: var(--white);
    transition: all var(--transition-fast);
    outline: none;
}

.input-wrapper input:focus,
.input-wrapper textarea:focus,
.input-wrapper select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
    transform: translateY(-1px);
}

.input-wrapper textarea {
    resize: vertical;
    min-height: 80px;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-4);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: var(--spacing-1);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.password-toggle:hover {
    color: var(--gray-600);
    background: var(--gray-100);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
}

.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-6);
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.checkbox-wrapper input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkmark {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: var(--white);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.forgot-password {
    color: var(--primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.forgot-password:hover {
    text-decoration: underline;
}

/* Form Tabs */
.form-tabs {
    display: flex;
    margin-bottom: var(--spacing-6);
    border-bottom: 2px solid var(--gray-200);
}

.form-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4);
    background: transparent;
    border: none;
    color: var(--gray-600);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.form-tab:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.form-tab.active {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 -2px 0 0 var(--primary);
}

.form-tab i {
    font-size: var(--font-size-sm);
}

.form-tab-content {
    display: none;
}

.form-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

/* Form Sections */
.form-section {
    margin: var(--spacing-6) 0;
    padding: var(--spacing-6);
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.form-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding-bottom: var(--spacing-2);
    border-bottom: 2px solid var(--primary);
}

/* Auth Styles */
.auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    padding: var(--spacing-8);
}

.auth-card {
    width: 100%;
    max-width: 500px;
    background: var(--white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.auth-header {
    text-align: center;
    padding: var(--spacing-8) var(--spacing-8) var(--spacing-6);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
}

.auth-logo {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    font-size: var(--font-size-3xl);
    backdrop-filter: blur(10px);
}

.auth-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
}

.auth-header p {
    opacity: 0.9;
    font-size: var(--font-size-lg);
}

.auth-tabs {
    display: flex;
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
}

.auth-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4);
    background: transparent;
    border: none;
    color: var(--gray-600);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.auth-tab:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.auth-tab.active {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 -2px 0 0 var(--primary);
}

.auth-tab i {
    font-size: var(--font-size-sm);
}

.auth-form {
    padding: var(--spacing-8);
    display: none;
}

.auth-form.active {
    display: block;
    animation: fadeInUp 0.3s ease-out;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-8);
}

.dashboard-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition-fast);
}

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

.card-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-900);
}

.card-content {
    padding: var(--spacing-6);
}

/* Customizer Styles */
.customizer-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-6);
    height: 600px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.customizer-sidebar {
    background: var(--gray-50);
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
}

.customizer-tabs {
    display: flex;
    border-bottom: 1px solid var(--gray-200);
}

.customizer-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-4);
    background: transparent;
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.customizer-tab:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.customizer-tab.active {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 -2px 0 0 var(--primary);
}

.customizer-tab i {
    font-size: var(--font-size-lg);
}

.customizer-tab span {
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.customizer-content {
    flex: 1;
    padding: var(--spacing-6);
    overflow-y: auto;
}

.customizer-panel {
    display: none;
}

.customizer-panel.active {
    display: block;
}

.customizer-panel h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.color-palette {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-2);
}

.color-option {
    width: 40px;
    height: 40px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-100);
}

.color-option span {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-md);
}

.customizer-viewport {
    background: var(--gray-50);
    display: flex;
    flex-direction: column;
}

.viewport-header {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.viewport-header h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

.viewport-controls {
    display: flex;
    gap: var(--spacing-2);
}

.control-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background: var(--white);
    color: var(--gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

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

.viewport-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8);
}

.placeholder-3d {
    text-align: center;
    color: var(--gray-500);
}

.placeholder-3d i {
    font-size: 4rem;
    margin-bottom: var(--spacing-4);
    opacity: 0.5;
}

.placeholder-3d p {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
}

.placeholder-3d small {
    font-size: var(--font-size-sm);
}

/* Settings Grid */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-6);
}

.settings-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
}

.setting-item label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
}

.setting-input {
    padding: var(--spacing-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    background: var(--white);
    transition: all var(--transition-fast);
}

.setting-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-100);
}

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

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .customizer-container {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .customizer-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .customizer-tabs {
        flex-direction: row;
    }
    
    .customizer-tab {
        flex-direction: row;
        padding: var(--spacing-3);
    }
}

@media (max-width: 768px) {
    .content-area {
        padding: var(--spacing-4);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .filters {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-4);
    }
    
    .section-actions {
        width: 100%;
        justify-content: stretch;
    }
    
    .btn {
        flex: 1;
    }
    
    .modal-content {
        margin: var(--spacing-4);
        max-height: calc(100vh - 2rem);
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .table-container {
        font-size: var(--font-size-xs);
    }
    
    .orders-table th,
    .orders-table td {
        padding: var(--spacing-2) var(--spacing-3);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-btn {
        width: 100%;
        margin-bottom: var(--spacing-1);
    }
    
    .form-tabs {
        flex-direction: column;
    }
    
    .form-tab {
        justify-content: flex-start;
    }
    
    .customizer-tabs {
        flex-direction: column;
    }
    
    .customizer-tab {
        justify-content: flex-start;
        padding: var(--spacing-4);
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-8);
    color: var(--gray-500);
}

.empty-state i {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
    opacity: 0.5;
}

.empty-state p {
    font-size: var(--font-size-lg);
    font-weight: 500;
}

/* Success/Error Messages */
.message {
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

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

.message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.message.warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.message.info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}
/* 3D Viewer */
.viewer-container {
    position: relative;
    background: var(--surface);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 16px var(--shadow);
    height: 700px;
}

#canvas3d {
    width: 100%;
    height: 100%;
    display: block;
}

.viewer-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 10px;
}

.viewer-controls button {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.viewer-controls button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

/* Customization Panel */
.customization-panel {
    background: var(--surface);
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 16px var(--shadow);
    max-height: 700px;
    overflow-y: auto;
}

.customization-panel::-webkit-scrollbar {
    width: 8px;
}

.customization-panel::-webkit-scrollbar-track {
    background: var(--surface-light);
    border-radius: 4px;
}

.customization-panel::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

.customization-panel h2 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.panel-section {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--border);
}

.panel-section:last-child {
    border-bottom: none;
}

.panel-section h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.panel-section h4 {
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Model Info */
.model-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: -15px;
    margin-bottom: 20px;
    padding: 8px 12px;
    background: var(--surface-light);
    border-radius: 6px;
    border-left: 3px solid var(--primary-color);
}

/* Mesh Info */
.mesh-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    display: inline-block;
}

/* Variation Section */
.variation-section {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(99, 102, 241, 0.1));
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
}

.variation-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 6px;
    display: inline-block;
}

.variation-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
}

.variation-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 8px;
    background: white;
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 65px;
}

.variation-btn .var-number {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.variation-btn .var-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 8px;
    border-radius: 10px;
}

.variation-btn:hover {
    background: rgba(251, 146, 60, 0.1);
    border-color: #fb923c;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.variation-btn.active {
    background: #fb923c;
    border-color: #fb923c;
    box-shadow: 0 4px 12px rgba(251, 146, 60, 0.4);
}

.variation-btn.active .var-number {
    color: white;
}

.variation-btn.active .var-label {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* Thickness Section */
.thickness-section {
    background: linear-gradient(135deg, rgba(251, 146, 60, 0.1), rgba(249, 115, 22, 0.1));
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
}

.thickness-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 6px;
    display: inline-block;
}

.thickness-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
}

.thickness-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px 10px;
    background: white;
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 85px;
}

.thickness-btn .thickness-icon {
    font-size: 1.5rem;
    margin-bottom: 6px;
}

.thickness-btn .thickness-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.thickness-btn .thickness-num {
    font-size: 0.7rem;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 8px;
    border-radius: 10px;
}

.thickness-btn:hover {
    background: rgba(251, 146, 60, 0.1);
    border-color: #fb923c;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.thickness-btn.active {
    background: linear-gradient(135deg, #fb923c, #f97316);
    border-color: #f97316;
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.4);
}

.thickness-btn.active .thickness-label {
    color: white;
}

.thickness-btn.active .thickness-num {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.thickness-btn.active .thickness-icon {
    filter: brightness(0) invert(1);
}




/* Size Controls */
.size-control {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
    padding: 12px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    border-radius: 8px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.size-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.size-icon {
    font-size: 1.2rem;
}

.size-select {
    padding: 8px 12px;
    background: var(--surface-light);
    border: 2px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 80px;
}

.size-select:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.size-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.6);
}

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

/* Dialog Overlay */
.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.dialog-overlay.show {
    display: flex;
}

.dialog-content {
    background: var(--surface-light);
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: dialogSlideIn 0.3s ease-out;
}

@keyframes dialogSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 24px 0 24px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.dialog-header h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

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

.dialog-body {
    padding: 0 24px;
}

.order-form {
    margin-bottom: 24px;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--surface-light);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.order-summary {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    border-radius: 12px;
    padding: 20px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.order-summary h3 {
    margin: 0 0 16px 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.summary-content {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    padding: 4px 0;
}

.summary-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.summary-value {
    color: var(--text-primary);
}

.dialog-footer {
    display: flex;
    gap: 12px;
    padding: 24px;
    border-top: 1px solid var(--border);
    justify-content: flex-end;
}

.cancel-btn,
.confirm-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cancel-btn {
    background: var(--surface-light);
    color: var(--text-secondary);
    border: 2px solid var(--border);
}

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

.confirm-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.confirm-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.6);
}

/* Toggle Labels */
.toggle-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    margin-bottom: 10px;
    background: var(--surface-light);
    border-radius: 8px;
    cursor: pointer;
}

.toggle-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}


/* Search and Filter Controls */
.mesh-search-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    align-items: center;
}

.search-container {
    position: relative;
    flex: 1;
}

.mesh-search-input {
    width: 100%;
    padding: 10px 35px 10px 12px;
    background: var(--surface-light);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.mesh-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.clear-search-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.clear-search-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.mesh-filter-select {
    padding: 10px 12px;
    background: var(--surface-light);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 140px;
}

.mesh-filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Bulk Actions */

/* Mesh Groups */
.mesh-groups {
    margin-bottom: 15px;
}

.mesh-group {
    margin-bottom: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface-light);
    overflow: hidden;
}

.mesh-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border);
}

.mesh-group-header:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
}

.mesh-group-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.mesh-group-count {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.mesh-group-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.mesh-group-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.mesh-group-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mesh-group-content.expanded {
    max-height: 500px;
}

/* Mesh Controls */
.mesh-controls {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface-light);
}

.mesh-controls::-webkit-scrollbar {
    width: 6px;
}

.mesh-controls::-webkit-scrollbar-track {
    background: var(--surface);
    border-radius: 3px;
}

.mesh-controls::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.mesh-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.mesh-item:last-child {
    border-bottom: none;
}

.mesh-item:hover {
    background: rgba(99, 102, 241, 0.05);
}

.mesh-info-section {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.mesh-visibility-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mesh-visibility-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.mesh-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}


.mesh-select-btn {
    background: var(--primary-color);
    border: none;
    border-radius: 6px;
    color: white;
    cursor: pointer;
    font-size: 1rem;
    padding: 6px 8px;
    transition: all 0.3s ease;
    margin-left: 8px;
}

.mesh-select-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}


.mesh-color-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    justify-content: flex-start;
}

.mesh-color-picker {
    width: 30px;
    height: 30px;
    border: 2px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    background: none;
}

.mesh-color-picker::-webkit-color-swatch-wrapper {
    padding: 0;
}

.mesh-color-picker::-webkit-color-swatch {
    border: none;
    border-radius: 4px;
}

.mesh-color-presets {
    display: flex;
    gap: 4px;
}

.mesh-color-preset {
    width: 20px;
    height: 20px;
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mesh-color-preset:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.mesh-color-preset.active {
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.3);
}

/* Export/Import Controls */
.mesh-export-controls {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

.export-btn,
.import-btn {
    padding: 10px 16px;
    background: var(--surface-light);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    flex: 1;
}

.export-btn:hover {
    background: var(--success);
    border-color: var(--success);
    color: white;
    transform: translateY(-1px);
}

.import-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

/* Enhanced Mesh Item Styling */
.mesh-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
}

.mesh-item:last-child {
    border-bottom: none;
}

.mesh-item:hover {
    background: rgba(99, 102, 241, 0.05);
}

.mesh-item.highlighted {
    background: rgba(99, 102, 241, 0.1);
    border-left: 3px solid var(--primary-color);
}

.mesh-item.hidden {
    opacity: 0.6;
}

.mesh-item.hidden .mesh-name {
    text-decoration: line-through;
}

/* Mesh Selection Highlighting */
.mesh-item.selected {
    background: rgba(99, 102, 241, 0.15);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    margin: 2px;
}

.mesh-item.selected .mesh-name {
    color: var(--primary-color);
    font-weight: 700;
}

/* Enhanced Color Presets */
.mesh-color-presets {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.mesh-color-preset {
    width: 20px;
    height: 20px;
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.mesh-color-preset:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.mesh-color-preset.active {
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.3);
}

.mesh-color-preset::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.7rem;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.mesh-color-preset.active::after {
    opacity: 1;
}

/* Belt Color Preset Styles */
.belt-color-preset {
    position: relative;
}

.belt-color-preset:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.belt-color-preset.active {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.3);
}

.belt-color-preset::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.7rem;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.2s ease;
    text-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
}

.belt-color-preset.active::after {
    opacity: 1;
}

/* Responsive Design for Mesh Controls */
@media (max-width: 768px) {
    .mesh-search-controls {
        flex-direction: column;
        gap: 8px;
    }
    
    
    .mesh-export-controls {
        flex-direction: column;
    }
    
    .mesh-stats {
        flex-direction: column;
        gap: 8px;
    }
    
    .stat-item {
        flex-direction: row;
        justify-content: space-between;
    }
}



/* Responsive Design */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .customization-panel {
        max-height: none;
    }
    
    .part-group {
        padding: 15px;
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .viewer-container {
        height: 500px;
    }

}

/* Paired Mesh Controls */
.mesh-pair-item {
    border: 2px solid var(--border);
    border-radius: 8px;
    margin-bottom: 10px;
    background: var(--surface-light);
    transition: all 0.3s ease;
}

.mesh-pair-item:hover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
}

.mesh-pair-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
}

.mesh-pair-visibility-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

.mesh-pair-visibility-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.mesh-pair-name {
    flex: 1;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.mesh-pair-select-btn {
    padding: 6px 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mesh-pair-select-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

.mesh-pair-color-controls {
    padding: 12px 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mesh-pair-color-picker {
    width: 50px;
    height: 30px;
    border: 2px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    background: none;
}

.mesh-pair-color-presets {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.mesh-pair-color-preset {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.mesh-pair-color-preset:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.mesh-pair-color-preset.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.mesh-pair-color-preset::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.7rem;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.mesh-pair-color-preset.active::after {
    opacity: 1;
}

/* Texture Controls */
.mesh-texture-controls {
    padding: 12px 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mesh-texture-presets {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.mesh-texture-preset {
    width: 32px;
    height: 32px;
    border: 2px solid #d1d5db;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.mesh-texture-preset:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.mesh-texture-preset.active {
    border-width: 3px;
    border-color: #6366f1;
}

.mesh-texture-preset img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

.mesh-texture-preset::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.2s ease;
    text-shadow: 0 0 3px rgba(0, 0, 0, 0.8);
}

.mesh-texture-preset.active::after {
    opacity: 1;
}

/* Paired Mesh Texture Controls */
.mesh-pair-texture-controls {
    padding: 12px 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mesh-pair-texture-presets {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.mesh-group[data-group-type="part1"]{
    flex-direction: column;
}

.mesh-pair-texture-preset {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.mesh-pair-texture-preset:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.mesh-pair-texture-preset.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.mesh-pair-texture-preset img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

.mesh-pair-texture-preset::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
    opacity: 0;
    transition: opacity 0.2s ease;
    text-shadow: 0 0 3px rgba(0, 0, 0, 0.8);
}

.mesh-pair-texture-preset.active::after {
    opacity: 1;
}