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

:root {
    /* Color Palette */
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Neutrals */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* Borders & Shadows */
    --border-color: #e2e8f0;
    --border-radius: 12px;
    --border-radius-sm: 6px;
    --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);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'Fira Code', 'SF Mono', Monaco, 'Cascadia Code', monospace;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Dark theme */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --border-color: #334155;
}

/* Black & White (Monochrome) theme */
[data-theme="bw"] {
    /* Core palette */
    --primary-color: #000000;
    --primary-hover: #222222;
    --secondary-color: #4d4d4d;
    --accent-color: #666666;
    --danger-color: #111111;

    /* Neutrals */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #eeeeee;
    --text-primary: #111111;
    --text-secondary: #555555;
    --text-muted: #777777;

    /* Borders */
    --border-color: #dddddd;
}

/* Monochrome overrides for colorful elements */
[data-theme="bw"] .hero-section {
    background: linear-gradient(135deg, #f5f5f5 0%, #e9e9e9 100%);
}

[data-theme="bw"] .hero-section h1 {
    /* Restore colorful gradient for the main title even in B/W theme */
    background: linear-gradient(135deg, #3b82f6, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

[data-theme="bw"] .btn-accent {
    background: #000000;
    color: #ffffff;
}

[data-theme="bw"] .btn-accent:hover {
    background: #222222;
}

[data-theme="bw"] .viewer-divider {
    background: linear-gradient(
        to bottom,
        transparent 0%,
        #d0d0d0 20%,
        #a0a0a0 50%,
        #d0d0d0 80%,
        transparent 100%
    );
}

[data-theme="bw"] .viewer-divider::before {
    background: #7a7a7a;
}

/* Keep images in full color in B/W theme */
[data-theme="bw"] .front-image {
    filter: none !important;
}

[data-theme="bw"] img {
    filter: none !important;
}

/* Pattern Library header and decorations in monochrome */
[data-theme="bw"] #patterns-page .page-header {
    background-color: #efefef;
    filter: none;
}

[data-theme="bw"] #patterns-page .page-header::before {
    background: linear-gradient(90deg, 
        #0066cc 0%, 
        #8b5cf6 20%, 
        #ec4899 40%, 
    );
}

[data-theme="bw"] #patterns-page .page-header h2 {
    background: linear-gradient(135deg, #3b82f6, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
    filter: drop-shadow(0 2px 4px rgba(255, 255, 255, 0.8));
}

[data-theme="bw"] #patterns-page .page-header p {
    color: #333333;
    text-shadow: none;
}

/* Tone down blue-tinted UI hovers/badges */
[data-theme="bw"] .floating-panel:hover,
[data-theme="bw"] .control-group:hover,
[data-theme="bw"] .panel-header:hover {
    background: rgba(0, 0, 0, 0.04);
}

[data-theme="bw"] .panel-toggle:hover {
    background: rgba(0, 0, 0, 0.08);
    color: #000000;
}

[data-theme="bw"] .value-display {
    color: #000000;
    background: rgba(0, 0, 0, 0.06);
}

[data-theme="bw"] #pattern-panel .panel-content::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.3);
}

html {
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

/* Top Navigation */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100vw;
    z-index: 10000; /* Increased to be above language dropdown */
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--spacing-lg);
    box-sizing: border-box;
}

.nav-container {
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: var(--bg-tertiary);
}

.nav-actions {
    display: flex;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 10002; /* Ensure language dropdown appears above other elements */
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
    line-height: 1.25rem;
}

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

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

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

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-accent {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
}

.btn-accent:hover {
    background: linear-gradient(135deg, #5a67d8, #6b46c1);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-icon {
    padding: var(--spacing-xs);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    font-size: 0.75rem;
}

.btn-icon-with-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    min-width: 60px;
    min-height: 60px;
    gap: 2px;
}

.btn-icon-with-label .icon {
    font-size: 1.2rem;
    line-height: 1;
}

.btn-icon-with-label .label {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-secondary);
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.85;
}

.btn-icon-with-label:hover .label {
    color: var(--text-primary);
    opacity: 1;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

/* App Container */
.app-container {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

/* Page System */
.page {
    display: none;
    min-height: calc(100vh - 70px);
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
    overflow-y: visible;
    position: relative;
}

.page.active {
    display: block;
}

/* Home Page */
.hero-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    min-height: 60vh;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-section p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.hero-image {
    margin-top: var(--spacing-2xl);
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.front-image {
    max-width: 100%;
    max-height: 500px;
    width: auto;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.front-image:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    padding: var(--spacing-2xl) var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

/* Designer Page */
#designer-page {
    position: relative;
    display: flex;
    height: calc(100vh - 70px);
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

/* Control Sidebar */
.floating-panels {
    position: fixed;
    left: 0;
    top: 70px; /* Below nav */
    bottom: 0;
    z-index: 100;
    display: none; /* Hidden by default */
    flex-direction: column;
    width: 320px;
    max-width: 320px;
    max-height: calc(100vh - 70px);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    border-right: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.06);
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-panels.collapsed {
    transform: translateX(-280px); /* Keep 40px visible for toggle */
}

/* Sidebar toggle button */
.sidebar-toggle {
    position: fixed;
    left: 40px; /* Start at collapsed sidebar right edge */
    bottom: 20px; /* Moved to bottom */
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    display: none; /* Hidden by default */
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001; /* Above everything */
    opacity: 0.95;
}

/* Only show toggle button when designer page is active */
#designer-page.active .sidebar-toggle {
    display: flex;
}

/* Toggle button positioning handled by JavaScript */

.sidebar-toggle:hover {
    background: #2563eb;
    transform: scale(1.05);
    box-shadow: 4px 0 15px rgba(59, 130, 246, 0.3);
    opacity: 1;
}

/* Only show floating panels when designer page is active */
#designer-page.active .floating-panels {
    display: flex !important;
}

/* Hide floating panels in all other cases */
.page:not(#designer-page) .floating-panels,
#designer-page:not(.active) .floating-panels {
    display: none !important;
}

/* Ensure only active designer page shows its content */
#designer-page:not(.active) {
    display: none !important;
}

#designer-page:not(.active) .viewer-container {
    display: none !important;
}

.floating-panel {
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
    transition: all 0.2s ease;
    margin-bottom: 0;
}

.floating-panel:hover {
    background: rgba(74, 144, 226, 0.02);
    transform: none;
    box-shadow: none;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: transparent;
    border-bottom: none;
    cursor: pointer;
    transition: background-color 0.2s ease;
    min-height: 40px;
}

.panel-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.panel-header:hover {
    background: rgba(74, 144, 226, 0.05);
}

.panel-header h3 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: 4px;
    text-transform: uppercase;
    opacity: 0.9;
}

.panel-toggle {
    background: transparent;
    border: none;
    font-size: 1rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
    font-weight: 400;
}

.panel-toggle:hover {
    background: rgba(74, 144, 226, 0.1);
    color: var(--primary-color);
    transform: none;
}

.panel-content {
    padding: 8px 12px;
    display: block;
    background: transparent;
}

.floating-panel.collapsed .panel-content {
    display: none;
}

.floating-panel.collapsed .panel-toggle {
    transform: rotate(90deg);
}

.control-group {
    margin-bottom: var(--spacing-sm);
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.control-group:hover {
    background: rgba(74, 144, 226, 0.02);
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-group label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-size: 0.65rem;
    letter-spacing: 0;
    text-transform: uppercase;
    opacity: 0.8;
}

.control-group input[type="range"] {
    width: 100%;
    height: 3px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    outline: none;
    appearance: none;
    margin-bottom: 4px;
    cursor: pointer;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--primary-color);
    border: 1px solid white;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.control-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 6px rgba(74, 144, 226, 0.4);
}

.control-group input[type="color"] {
    width: 100%;
    height: 32px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: white;
}

.control-group input[type="color"]:hover {
    border-color: var(--primary-color);
}

.control-group select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    background: white;
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 8px center;
    background-repeat: no-repeat;
    background-size: 12px;
    padding-right: 28px;
}

.control-group select:hover {
    border-color: var(--primary-color);
    background-color: rgba(74, 144, 226, 0.02);
}

.control-group input[type="checkbox"] {
    margin-right: var(--spacing-xs);
    accent-color: var(--primary-color);
}

.value-display {
    font-size: 0.6rem;
    color: var(--primary-color);
    font-weight: 600;
    background: rgba(74, 144, 226, 0.08);
    padding: 1px 4px;
    border-radius: 3px;
    float: right;
    border: none;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
    letter-spacing: 0;
}

.control-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.control-actions .btn {
    flex: 1;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.control-actions .btn:hover {
    transform: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* Pattern panel specific styling for better organization */
#pattern-panel .panel-content {
    max-height: 500px;
    overflow-y: auto;
    overflow-x: hidden;
}

#pattern-panel .panel-content::-webkit-scrollbar {
    width: 4px;
}

#pattern-panel .panel-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 2px;
}

#pattern-panel .panel-content::-webkit-scrollbar-thumb {
    background: rgba(74, 144, 226, 0.3);
    border-radius: 2px;
}

#pattern-panel .panel-content::-webkit-scrollbar-thumb:hover {
    background: rgba(74, 144, 226, 0.5);
}

/* Add subtle section dividers in pattern panel */
#pattern-panel .control-group:nth-child(3)::after,
#pattern-panel .control-group:nth-child(5)::after {
    content: '';
    display: block;
    height: 1px;
    background: rgba(0, 0, 0, 0.06);
    margin: var(--spacing-sm) 0;
}

/* Enhanced pattern reset button styling */
#resetAllPatternBtn {
    background: #f39c12 !important;
    color: white !important;
    border: 1px solid #e67e22 !important;
    font-weight: 600;
    font-size: 0.7rem;
    padding: 6px 12px;
    border-radius: 4px;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

#resetAllPatternBtn:hover {
    background: #e67e22 !important;
    border-color: #d35400 !important;
    transform: translateY(-1px);
}

/* Split Viewer Container */
.viewer-container {
    position: absolute;
    left: 40px; /* Start with space for toggle button */
    top: 0;
    right: 0;
    bottom: 0;
    width: calc(100% - 40px);
    max-width: calc(100vw - 40px);
    background: #f0f0f0; /* Simple light background */
    display: flex !important;
    align-items: stretch;
    justify-content: stretch;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Only show viewer when designer page is active */
#designer-page.active .viewer-container {
    display: flex !important;
}

/* Viewer positioning handled by JavaScript */

/* 3D Viewer Section */
.viewer-3d {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background: #f0f0f0;
    overflow: hidden;
}

#three-container {
    width: 100%;
    height: 100%;
    position: relative;
    flex: 1;
}

/* Divider Line */
.viewer-divider {
    width: 2px;
    background: linear-gradient(to bottom, 
        transparent 0%, 
        #d1d5db 20%, 
        #9ca3af 50%, 
        #d1d5db 80%, 
        transparent 100%);
    flex-shrink: 0;
    position: relative;
}

.viewer-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 40px;
    background: #6b7280;
    border-radius: 4px;
    opacity: 0.3;
}

/* 2D Viewer Section */
.viewer-2d {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background: #ffffff;
    overflow: hidden;
    border-left: 1px solid #e5e7eb;
}

#garment-2d-container {
    width: 100%;
    height: 100%;
    position: relative;
    flex: 1;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 2D Viewer Controls */
.viewer-2d-controls {
    position: absolute;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 50;
}

/* Make 2D viewer control buttons much smaller */
.viewer-2d-controls .btn-icon {
    padding: 2px 4px !important;
    font-size: 10px !important;
    min-width: 20px !important;
    min-height: 20px !important;
    border-radius: 3px !important;
    margin: 0 !important;
}

/* Viewer Labels */
.viewer-label {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    z-index: 60;
    pointer-events: none;
}

.viewer-controls {
    position: absolute;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 50;
}

.loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 10;
}

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

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

/* Other Pages */
.page-header {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: var(--bg-secondary);
}

.page-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.page-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Pattern Library Page Background */
#patterns-page {
    background-color: #f8f9fa; /* Fallback color */
    position: relative;
    min-height: 100vh;
}

/* Enhanced Pattern Library Header */
#patterns-page .page-header {
    background-image: url('./Images/pattrn.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #f0f0f0; /* Fallback color */
    filter: contrast(1.05) saturate(1.1) brightness(0.95);
    position: relative;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 16px;
    margin: var(--spacing-lg);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.15),
        0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

#patterns-page .page-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.35) 0%,
        rgba(248, 249, 250, 0.45) 50%,
        rgba(255, 255, 255, 0.40) 100%
    );
    pointer-events: none;
    z-index: 1;
}

#patterns-page .page-header > * {
    position: relative;
    z-index: 2;
}

#patterns-page .page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        #0066cc 0%, 
        #8b5cf6 20%, 
        #ec4899 40%, 
        #f59e0b 60%, 
        #10b981 80%, 
        #3b82f6 100%
    );
    opacity: 0.9;
    z-index: 3;
}

#patterns-page .page-header h2 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.5px;
    filter: drop-shadow(0 2px 4px rgba(255, 255, 255, 0.8));
}

#patterns-page .page-header p {
    font-size: 1.25rem;
    color: #374151;
    font-weight: 600;
    margin: 0;
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.9);
}

/* Pattern Library */
.pattern-tools {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin: 0 var(--spacing-lg) var(--spacing-xl);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Enhanced Pattern Tools for Pattern Library */
#patterns-page .pattern-tools {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin: 0 20px 20px 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.tool-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.tool-group:first-child {
    margin-left: var(--spacing-lg);
    margin-right: var(--spacing-md);
}

.tool-group-right {
    margin-left: var(--spacing-md);
    margin-right: var(--spacing-lg);
}

.pattern-filters {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    order: -1;
    margin-right: auto;
}

.search-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    min-width: 200px;
}

.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    background: var(--bg-primary);
    cursor: pointer;
}

.btn-icon {
    margin-right: var(--spacing-xs);
}

.patterns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-xl) var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
}

/* Enhanced Patterns Grid for Pattern Library */
#patterns-page .patterns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    padding: 20px;
    margin: 0 20px;
    background: transparent;
}

.pattern-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
}

.pattern-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Enhanced Pattern Cards for Pattern Library */
#patterns-page .pattern-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0;
    display: flex;
    flex-direction: column;
    height: 280px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

#patterns-page .pattern-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

/* Pattern Card Components */
#patterns-page .pattern-preview {
    height: 140px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

#patterns-page .pattern-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#patterns-page .pattern-info {
    padding: 12px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

#patterns-page .pattern-info h4 {
    margin: 0 0 6px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

#patterns-page .pattern-info p {
    margin: 0 0 8px 0;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.3;
    flex-grow: 1;
}

#patterns-page .pattern-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: auto;
}

#patterns-page .btn-small {
    padding: 4px 8px;
    font-size: 11px;
    border-radius: 4px;
    border: 1px solid;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    font-weight: 500;
}

#patterns-page .btn-small.btn-primary {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

#patterns-page .btn-small.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

#patterns-page .btn-small.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-color);
}

#patterns-page .btn-small.btn-outline:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* New Pattern Card */
#patterns-page .new-pattern .pattern-preview {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

#patterns-page .new-pattern .add-icon {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.7;
}

#patterns-page .new-pattern:hover .add-icon {
    opacity: 1;
    transform: scale(1.1);
}

/* Responsive Design for Pattern Library Header */
@media (max-width: 768px) {
    #patterns-page .page-header {
        margin: var(--spacing-md);
        padding: var(--spacing-lg);
        background-size: cover;
        background-position: center;
    }
    
    #patterns-page .page-header h2 {
        font-size: 2.25rem;
    }
    
    #patterns-page .page-header p {
        font-size: 1.125rem;
    }
    
    #patterns-page .pattern-tools {
        margin: 0 var(--spacing-md) var(--spacing-lg);
        padding: var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    #patterns-page .patterns-grid {
        margin: 0 var(--spacing-md) var(--spacing-lg);
        padding: var(--spacing-lg);
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    #patterns-page .page-header::after {
        background: linear-gradient(
            135deg,
            rgba(255, 255, 255, 0.45) 0%,
            rgba(248, 249, 250, 0.55) 50%,
            rgba(255, 255, 255, 0.50) 100%
        );
    }
    
    #patterns-page .page-header h2 {
        font-size: 2rem;
    }
    
    #patterns-page .page-header p {
        font-size: 1rem;
    }
}

.pattern-preview {
    height: 180px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-muted);
    position: relative;
    overflow: hidden;
}

.add-icon {
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.7;
}

.pattern-info {
    padding: var(--spacing-md);
}

.pattern-info h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.pattern-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.pattern-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

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

.btn-small.btn-outline:hover {
    background: var(--bg-tertiary);
}

.new-pattern {
    border: 2px dashed var(--border-color);
    background: transparent;
}

.new-pattern:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
}

/* Pattern Previews */
.stripes-preview {
    background: linear-gradient(to bottom, 
        var(--primary-color) 0%, var(--primary-color) 20%, 
        var(--secondary-color) 20%, var(--secondary-color) 40%,
        var(--primary-color) 40%, var(--primary-color) 60%,
        var(--secondary-color) 60%, var(--secondary-color) 80%,
        var(--primary-color) 80%, var(--primary-color) 100%);
}

.checkerboard-preview {
    background-image: 
        linear-gradient(45deg, var(--primary-color) 25%, transparent 25%), 
        linear-gradient(-45deg, var(--primary-color) 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, var(--primary-color) 75%), 
        linear-gradient(-45deg, transparent 75%, var(--primary-color) 75%);
    background-size: 30px 30px;
    background-position: 0 0, 0 15px, 15px -15px, -15px 0px;
    background-color: var(--secondary-color);
}

.diamonds-preview {
    background: var(--secondary-color);
    background-image: 
        radial-gradient(circle at 50% 50%, var(--primary-color) 30%, transparent 30%);
    background-size: 40px 40px;
}

.waves-preview {
    background: var(--secondary-color);
    background-image: 
        radial-gradient(ellipse at center, var(--primary-color) 20%, transparent 20%);
    background-size: 60px 30px;
}

.cable-preview {
    background: var(--secondary-color);
    background-image: 
        repeating-linear-gradient(90deg, 
            var(--primary-color) 0px, var(--primary-color) 8px, 
            transparent 8px, transparent 16px);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 70px; /* Position below navigation */
    left: 0;
    width: 100%;
    height: calc(100vh - 70px); /* Adjust height for navigation */
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 1001;
    max-height: 90vh;
    overflow-y: auto;
}

.pattern-editor-content {
    width: 90vw;
    max-width: 1200px;
    max-height: calc(100vh - 100px); /* Ensure content fits within modal */
    overflow-y: auto; /* Allow scrolling if content is too tall */
}

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

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.pattern-editor-body {
    padding: var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: var(--spacing-xl);
}

.pattern-editor-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
}

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

.pattern-design-area {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.design-controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.design-controls .control-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.design-controls label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.design-controls select,
.design-controls input {
    font-size: 0.75rem;
    padding: 2px 4px;
}

.pattern-grid-container {
    display: flex;
    justify-content: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

#patternGrid {
    border: 2px solid var(--border-color);
    cursor: crosshair;
    border-radius: var(--border-radius-sm);
}

.pattern-preview-area {
    text-align: center;
}

.pattern-preview-area h4 {
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

#patternPreview {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: white;
}

.image-upload-area {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.upload-zone:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
}

.upload-zone.dragover {
    border-color: var(--secondary-color);
    background: rgba(16, 185, 129, 0.1);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

/* ==================== PATTERN EDITOR ENHANCED UI ==================== */

/* Reference Image Toolbar */
.pattern-editor .toolbar-secondary {
    background: rgba(248, 249, 250, 0.3) !important;
    border-radius: 8px !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    margin-top: var(--spacing-xs) !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05) !important;
    border: 1px solid rgba(0,0,0,0.05) !important;
    backdrop-filter: blur(5px) !important;
}

/* Reference Image Label */
.pattern-editor .toolbar-secondary label {
    color: #495057 !important;
    font-weight: 600 !important;
    font-size: 0.95rem !important;
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-xs) !important;
    text-shadow: none !important;
}

/* Enhanced Upload Zone for Pattern Editor */
.pattern-editor #referenceUploadZone {
    background: rgba(255, 255, 255, 0.7) !important;
    border: 1px dashed #cbd5e1 !important;
    border-radius: 6px !important;
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    text-align: center !important;
    cursor: pointer !important;
    transition: all 0.2s ease !important;
    min-width: 160px !important;
    position: relative !important;
    overflow: hidden !important;
}

.pattern-editor #referenceUploadZone::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(59,130,246,0.02) 25%, transparent 25%, transparent 75%, rgba(59,130,246,0.02) 75%);
    background-size: 20px 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pattern-editor #referenceUploadZone:hover {
    border-color: #3b82f6 !important;
    background: rgba(59, 130, 246, 0.05) !important;
    transform: none !important;
    box-shadow: 0 2px 4px rgba(59,130,246,0.1) !important;
}

.pattern-editor #referenceUploadZone:hover::before {
    opacity: 0.5;
}

.pattern-editor #referenceUploadZone span {
    font-size: 0.875rem !important;
    font-weight: 500 !important;
    color: #6b7280 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: var(--spacing-xs) !important;
    position: relative !important;
    z-index: 2 !important;
}

/* Enhanced Action Buttons */
.pattern-editor .toolbar-secondary .btn {
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    font-size: 0.8rem !important;
    font-weight: 500 !important;
    border-radius: 5px !important;
    transition: all 0.15s ease !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: var(--spacing-xs) !important;
    min-height: 28px !important;
    text-shadow: none !important;
    border: 1px solid rgba(0,0,0,0.1) !important;
}

.pattern-editor .toolbar-secondary .btn-outline {
    background: rgba(255,255,255,0.8) !important;
    color: #6b7280 !important;
    border-color: rgba(0,0,0,0.1) !important;
    backdrop-filter: blur(3px) !important;
}

.pattern-editor .toolbar-secondary .btn-outline:hover {
    background: rgba(255,255,255,0.95) !important;
    color: #374151 !important;
    transform: none !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1) !important;
}

/* Grid Action Buttons Enhancement */
.pattern-editor #clearGrid,
.pattern-editor #fillGrid {
    background: #dc3545 !important;
    color: white !important;
    border: 1px solid rgba(220,53,69,0.3) !important;
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    font-size: 0.8rem !important;
    font-weight: 500 !important;
    border-radius: 5px !important;
    transition: all 0.15s ease !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: var(--spacing-xs) !important;
    min-height: 28px !important;
    box-shadow: 0 1px 2px rgba(220,53,69,0.2) !important;
}

.pattern-editor #fillGrid {
    background: #28a745 !important;
    border-color: rgba(40,167,69,0.3) !important;
    box-shadow: 0 1px 2px rgba(40,167,69,0.2) !important;
}

.pattern-editor #clearGrid:hover {
    background: #c82333 !important;
    transform: none !important;
    box-shadow: 0 2px 4px rgba(220,53,69,0.3) !important;
}

.pattern-editor #fillGrid:hover {
    background: #218838 !important;
    transform: none !important;
    box-shadow: 0 2px 4px rgba(40,167,69,0.3) !important;
}

/* Undo/Redo Button Styling */
.pattern-editor .undo-redo-controls {
    display: flex !important;
    gap: var(--spacing-xs) !important;
    align-items: center !important;
}

.pattern-editor .undo-redo-controls .btn {
    background: rgba(108,117,125,0.7) !important;
    color: white !important;
    border: 1px solid rgba(108,117,125,0.3) !important;
    padding: var(--spacing-xs) !important;
    font-size: 0.9rem !important;
    min-width: 28px !important;
    height: 28px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 5px !important;
}

.pattern-editor .undo-redo-controls .btn:hover {
    background: rgba(108,117,125,0.9) !important;
    transform: none !important;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15) !important;
}

/* Reference Image Preview Enhancement */
.pattern-editor #referencePreviewSection {
    background: rgba(0,0,0,0.03) !important;
    border-radius: 4px !important;
    padding: var(--spacing-xs) !important;
    backdrop-filter: none !important;
    border: 1px solid rgba(0,0,0,0.05) !important;
    display: flex !important;
    align-items: center !important;
}

.pattern-editor #referenceImagePreview {
    border: 1px solid rgba(0,0,0,0.1) !important;
    border-radius: 3px !important;
    width: 32px !important;
    height: 32px !important;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05) !important;
    object-fit: cover !important;
}

/* Icon Enhancements */
.pattern-editor .toolbar-secondary .emoji-icon {
    font-size: 0.9rem !important;
    display: inline-block !important;
    margin-right: 2px !important;
}

/* Select Dropdown Styling */
.pattern-editor .toolbar-secondary select {
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    border: 1px solid rgba(0,0,0,0.1) !important;
    border-radius: 4px !important;
    background: rgba(255,255,255,0.9) !important;
    font-size: 0.8rem !important;
    color: #495057 !important;
    min-width: 120px !important;
}

.pattern-editor .toolbar-secondary select:focus {
    outline: none !important;
    border-color: #3b82f6 !important;
    box-shadow: 0 0 0 2px rgba(59,130,246,0.1) !important;
}

/* Small Text Styling */
.pattern-editor .toolbar-secondary small {
    color: #9ca3af !important;
    font-size: 0.7rem !important;
    margin-left: var(--spacing-xs) !important;
}

/* Color Input Styling */
.pattern-editor .toolbar-secondary input[type="color"] {
    width: 28px !important;
    height: 24px !important;
    border: 1px solid rgba(0,0,0,0.1) !important;
    border-radius: 3px !important;
    cursor: pointer !important;
    padding: 0 !important;
    background: none !important;
}

.pattern-editor .toolbar-secondary input[type="color"]:hover {
    border-color: #3b82f6 !important;
}

/* Control Group Layout */
.pattern-editor .toolbar-secondary {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: var(--spacing-sm) !important;
    flex-wrap: wrap !important;
}

.pattern-editor .control-group {
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-xs) !important;
    flex: 1 !important;
}

.pattern-editor .control-group:first-child {
    flex: 2 !important;
}

.pattern-editor .undo-redo-controls {
    flex: 0 0 auto !important;
    min-width: auto !important;
}

/* Position Controls Specific Styling */
.pattern-editor #referencePositionControls {
    display: flex !important;
    align-items: center !important;
    gap: var(--spacing-xs) !important;
    background: rgba(0,0,0,0.03) !important;
    padding: var(--spacing-xs) !important;
    border-radius: 4px !important;
    flex-wrap: nowrap !important;
    border: 1px solid rgba(0,0,0,0.05) !important;
}

.pattern-editor #referencePositionControls label {
    font-size: 0.8rem !important;
    color: #6b7280 !important;
    margin: 0 !important;
    padding: 0 !important;
}

.pattern-editor #referencePositionControls input[type="range"] {
    width: 50px !important;
    height: 4px !important;
    background: rgba(0,0,0,0.1) !important;
    border-radius: 2px !important;
    outline: none !important;
    margin: 0 !important;
}

.pattern-editor #referencePositionControls span {
    font-size: 0.7rem !important;
    color: #9ca3af !important;
    min-width: 20px !important;
    text-align: center !important;
    font-weight: 400 !important;
}

.image-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

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

/* Responsive Design for Pattern Library */
@media (max-width: 768px) {
    .pattern-tools {
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
    }
    
    .tool-group {
        justify-content: center;
    }
    
    .tool-group:first-child {
        margin-left: 0;
        margin-right: 0;
    }
    
    .tool-group-right {
        margin-left: 0;
        margin-right: 0;
        margin-top: var(--spacing-md);
    }
    
    .pattern-filters {
        justify-content: center;
        order: 0;
        margin-right: 0;
    }
    
    .patterns-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .pattern-editor-body {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .pattern-editor-content {
        width: 95vw;
        max-height: 95vh;
    }
}

/* Export Page */
.export-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.export-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.export-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.export-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Settings Page */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.setting-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.setting-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.setting-card select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-image {
        margin-top: var(--spacing-lg);
    }
    
    .front-image {
        max-height: 300px;
        border-radius: var(--border-radius-sm);
    }
    
    .floating-panels {
        position: static;
        width: 100%;
        margin-bottom: var(--spacing-lg);
        max-height: none;
        order: 2;
    }
    
    #designer-page {
        flex-direction: column;
        height: auto;
    }
    
    .viewer-container {
        height: 60vh;
        order: 1;
        flex-direction: column; /* Stack views vertically on mobile */
    }
    
    /* Mobile: Stack 3D and 2D views vertically */
    .viewer-3d,
    .viewer-2d {
        flex: 1;
        min-height: 300px;
    }
    
    .viewer-divider {
        width: 100%;
        height: 2px;
        background: linear-gradient(to right, 
            transparent 0%, 
            #d1d5db 20%, 
            #9ca3af 50%, 
            #d1d5db 80%, 
            transparent 100%);
    }
    
    .viewer-divider::before {
        width: 40px;
        height: 8px;
        top: 50%;
        left: 50%;
    }
    
    .features-grid,
    .patterns-grid,
    .export-options {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .floating-panels {
        left: var(--spacing-sm);
        right: var(--spacing-sm);
        width: auto;
    }
    
    .sidebar-toggle {
        left: var(--spacing-sm);
        bottom: var(--spacing-sm);
    }
    
    .viewer-controls {
        bottom: var(--spacing-sm);
        right: var(--spacing-sm);
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.page.active {
    animation: fadeIn 0.3s ease-out;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Measurement Controls Styles */
.toggle-btn {
    background: rgba(74, 144, 226, 0.1);
    border: 1px solid rgba(74, 144, 226, 0.2);
    color: var(--primary-color);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.65rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.toggle-btn:hover {
    background: rgba(74, 144, 226, 0.15);
    border-color: rgba(74, 144, 226, 0.3);
    transform: none;
}

.measurement-info-panel {
    background: rgba(227, 242, 253, 0.5);
    padding: var(--spacing-sm);
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
    display: none;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.measurement-info-panel.active {
    display: block;
}

.measurement-summary h4 {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.measurement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-xs);
}

.measurement-grid div {
    background: white;
    padding: var(--spacing-xs);
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.cm-controls,
.normalized-controls {
    transition: opacity 0.2s ease;
}

.control-group.cm-control .value-display,
.control-group.normalized-control .value-display {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--primary-color);
    min-width: 50px;
    text-align: right;
}

.control-group.cm-control .value-display {
    color: var(--secondary-color);
}

/* Dual Input Layout */
.dual-input {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.dual-input input[type="range"] {
    flex: 1;
    min-width: 0;
}

.cm-number-input {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 2px 4px;
    font-size: 0.65rem;
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--text-primary);
    width: 50px;
    text-align: center;
    transition: all 0.2s ease;
    cursor: text;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.cm-number-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.1);
    background: #fafffe;
}

.cm-number-input:hover {
    border-color: var(--secondary-color);
}

/* Invalid input styling */
.cm-number-input:invalid,
.cm-number-input.invalid {
    border-color: var(--danger-color);
    background: #fef2f2;
}

.cm-number-input:invalid:focus,
.cm-number-input.invalid:focus {
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.1);
}

/* Placeholder and help text styling */
.cm-number-input::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

/* Spin buttons (webkit browsers) */
.cm-number-input::-webkit-outer-spin-button,
.cm-number-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Firefox */
.cm-number-input[type=number] {
    appearance: textfield;
    -moz-appearance: textfield;
} 

/* Material mode toggle buttons */
.active-material-mode {
    background-color: rgba(0, 123, 255, 0.15) !important;
    color: #007bff !important;
    border-color: rgba(0, 123, 255, 0.3) !important;
    box-shadow: 0 1px 3px rgba(0, 123, 255, 0.1) !important;
}

.active-material-mode:hover {
    background-color: rgba(0, 123, 255, 0.25) !important;
    border-color: rgba(0, 123, 255, 0.5) !important;
}

/* Material mode button grouping */
#unlitMaterialBtn, #pbrMaterialBtn {
    margin-left: 0.25rem;
    margin-right: 0.25rem;
}

/* Ensure proper spacing for all viewer control buttons */
.viewer-controls .btn {
    margin: 0 0.125rem;
} 

/* Active material mode button styling */
.active-material-mode {
    background: rgba(0, 123, 255, 0.15) !important;
    color: #007bff !important;
    box-shadow: 0 1px 3px rgba(0, 123, 255, 0.1) !important;
    border-color: rgba(0, 123, 255, 0.3) !important;
}

/* Help Page Styles */
.help-container {
    display: flex;
    height: calc(100vh - 80px);
    max-height: 800px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.help-sidebar {
    width: 280px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-right: 1px solid #dee2e6;
    padding: 20px 0;
    overflow-y: auto;
    flex-shrink: 0;
}

.help-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.help-link {
    display: block;
    padding: 8px 20px;
    color: #495057;
    text-decoration: none;
    font-size: 14px;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
}

.help-link:hover {
    background: rgba(0, 123, 255, 0.1);
    color: #007bff;
    border-left-color: #007bff;
}

.help-link.active {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.15) 0%, rgba(0, 123, 255, 0.05) 100%);
    color: #007bff;
    border-left-color: #007bff;
    font-weight: 600;
}

.help-content {
    flex: 1;
    padding: 40px;
    overflow-y: auto;
    background: white;
}

.help-section {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.help-section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Help content typography */
.help-content h1 {
    color: #2c5282;
    margin: 0 0 20px 0;
    font-size: 2.2em;
    font-weight: 700;
}

.help-content h2 {
    color: #2c5282;
    margin: 30px 0 15px 0;
    font-size: 1.6em;
    font-weight: 600;
}

.help-content h3 {
    margin: 20px 0 10px 0;
    font-size: 1.3em;
    font-weight: 600;
}

.help-content h4 {
    margin: 15px 0 8px 0;
    font-size: 1.1em;
    font-weight: 600;
}

.help-content p {
    line-height: 1.6;
    margin-bottom: 15px;
    color: #4a5568;
}

.help-content ul, .help-content ol {
    line-height: 1.8;
    margin-bottom: 15px;
    color: #4a5568;
}

.help-content li {
    margin-bottom: 8px;
}

.help-content strong {
    color: #2d3748;
    font-weight: 600;
}

/* Keyboard key styling */
.help-content kbd {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 1px solid #ced4da;
    border-radius: 4px;
    padding: 2px 6px;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 12px;
    color: #495057;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    white-space: nowrap;
}

/* Help section cards and highlights */
.feature-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.highlight-card {
    padding: 20px;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.highlight-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Step guide styling */
.step-guide .step {
    margin: 30px 0;
    padding: 25px;
    border-radius: 12px;
    transition: transform 0.2s ease;
}

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

/* Control section styling */
.control-section {
    margin: 25px 0;
    padding: 20px;
    border-radius: 8px;
    transition: transform 0.2s ease;
}

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

/* Shortcuts grid styling */
.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.shortcut-category {
    padding: 20px;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.shortcut-category:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.shortcut-list div {
    margin: 8px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

.shortcut-list kbd {
    margin-right: 10px;
}

/* Responsive design for help page */
@media (max-width: 768px) {
    .help-container {
        flex-direction: column;
        height: auto;
        max-height: none;
    }
    
    .help-sidebar {
        width: 100%;
        max-height: 200px;
        border-right: none;
        border-bottom: 1px solid #dee2e6;
    }
    
    .help-content {
        padding: 20px;
    }
    
    .feature-highlights,
    .shortcuts-grid {
        grid-template-columns: 1fr;
    }
    
    .help-content h1 {
        font-size: 1.8em;
    }
    
    .help-content h2 {
        font-size: 1.4em;
    }
}

/* Manual Input Controls for Pattern Controls */
.control-manual-input {
    width: 60px;
    height: 24px;
    padding: 2px 6px;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    background: white;
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 400;
    text-align: center;
    margin-left: 8px;
    margin-right: 8px;
    transition: all 0.2s ease;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
}

.control-manual-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: rgba(74, 144, 226, 0.02);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.1);
}

.control-manual-input:hover {
    border-color: var(--primary-color);
    background-color: rgba(74, 144, 226, 0.02);
}

/* Adjust control row layout for manual inputs */
.control-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.control-row label {
    min-width: 90px;
    margin-bottom: 0;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
}

.control-slider {
    flex: 1;
    min-width: 120px;
    height: 3px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    outline: none;
    appearance: none;
    cursor: pointer;
}

.control-slider::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--primary-color);
    border: 1px solid white;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.control-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 2px 6px rgba(74, 144, 226, 0.4);
}

.control-value {
    min-width: 40px;
    font-size: 0.7rem;
    color: var(--primary-color);
    font-weight: 600;
    background: rgba(74, 144, 226, 0.08);
    padding: 2px 6px;
    border-radius: 3px;
    text-align: center;
    font-family: 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
}

/* Help navigation scrollbar styling */
.help-sidebar::-webkit-scrollbar {
    width: 6px;
}

.help-sidebar::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

.help-sidebar::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.help-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

.help-content::-webkit-scrollbar {
    width: 8px;
}

.help-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

.help-content::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.help-content::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* Pattern Control Window - Ensure proper floating behavior */
#pattern-control-window {
    position: fixed !important;
    z-index: 999999 !important;
    pointer-events: auto !important;
    transform: none !important;
    clip: none !important;
    clip-path: none !important;
    contain: none !important;
    isolation: auto !important;
    will-change: auto !important;
    max-height: none !important;
    overflow: visible !important;
}

#pattern-control-window * {
    box-sizing: border-box;
    position: relative;
}

/* Ensure pattern control window container doesn't inherit problematic styles */
#pattern-control-window .window-content {
    overflow: visible !important;
    position: relative !important;
    z-index: auto !important;
}

/* Override any potential clipping from parent containers */
body, html {
    overflow-x: hidden;
    overflow-y: auto;
}

/* Ensure important containers don't clip floating elements */
.page, .app-container, .viewer-container, .help-container {
    overflow-y: visible !important;
}

/* Language Dropdown Z-Index Fix */
.language-selector {
    position: relative;
    z-index: 10003 !important;
}

.language-dropdown {
    position: relative;
    z-index: 10003 !important;
}

.language-menu {
    position: absolute !important;
    z-index: 10004 !important;
    /* Ensure it doesn't get clipped */
    overflow: visible !important;
}

/* Ensure navigation container allows overflow for dropdowns */
.nav-container {
    overflow: visible !important;
}

.top-nav {
    overflow: visible !important;
}

/* Specifically ensure the designer page doesn't clip floating elements */
#designer-page {
    overflow: visible !important;
}

/* Pattern Editor Black & White Theme */
.pattern-editor-modal {
    --editor-primary: #000000;
    --editor-secondary: #ffffff;
    --editor-border: #cccccc;
    --editor-hover: #f5f5f5;
    --editor-active: #000000;
    --editor-text: #000000;
    --editor-text-inverse: #ffffff;
}

/* Pattern Editor Modal Styling */
#patternEditorModal {
    background: rgba(0, 0, 0, 0.8) !important;
}

#patternEditorModal .modal-content {
    background: white !important;
    border: 2px solid black !important;
    color: black !important;
}

#patternEditorModal .modal-header {
    background: white !important;
    border-bottom: 2px solid black !important;
    color: black !important;
}

#patternEditorModal .modal-header h3 {
    color: black !important;
}

#patternEditorModal .modal-close {
    color: black !important;
    background: white !important;
    border: 1px solid black !important;
}

#patternEditorModal .modal-close:hover {
    background: black !important;
    color: white !important;
}

/* Pattern Editor Form Elements */
#patternEditorModal input,
#patternEditorModal textarea,
#patternEditorModal select {
    background: white !important;
    border: 1px solid black !important;
    color: black !important;
}

#patternEditorModal input:focus,
#patternEditorModal textarea:focus,
#patternEditorModal select:focus {
    border-color: black !important;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1) !important;
}

/* Pattern Editor Buttons */
#patternEditorModal .btn {
    background: white !important;
    color: black !important;
    border: 1px solid black !important;
}

#patternEditorModal .btn:hover {
    background: black !important;
    color: white !important;
}

#patternEditorModal .btn-primary {
    background: black !important;
    color: white !important;
}

#patternEditorModal .btn-primary:hover {
    background: #333333 !important;
}

/* Tool Buttons in Pattern Editor */
#patternEditorModal .tool-btn {
    background: white !important;
    color: black !important;
    border: 1px solid #ccc !important;
}

#patternEditorModal .tool-btn.active {
    background: black !important;
    color: white !important;
    border: 1px solid black !important;
}

/* Pattern Grid */
#patternGrid {
    border: 2px solid black !important;
    background: white !important;
}

/* Upload Zones */
#patternEditorModal .upload-zone {
    border: 2px dashed #ccc !important;
    background: white !important;
    color: black !important;
}

#patternEditorModal .upload-zone:hover {
    border-color: black !important;
    background: #f5f5f5 !important;
}

#patternEditorModal .upload-zone.dragover {
    border-color: black !important;
    background: #f0f0f0 !important;
}

/* Pattern Editor Labels */
#patternEditorModal label {
    color: black !important;
}

/* Color Inputs */
#patternEditorModal input[type="color"] {
    border: 1px solid black !important;
}

/* Range Sliders */
#patternEditorModal input[type="range"] {
    background: #ccc !important;
}

#patternEditorModal input[type="range"]::-webkit-slider-thumb {
    background: black !important;
    border: 1px solid white !important;
}

/* Pattern Preview */
#patternPreview {
    border: 1px solid black !important;
    background: white !important;
}

/* Override any colorful design controls */
#patternEditorModal .design-controls {
    background: #f5f5f5 !important;
    border: 1px solid #ccc !important;
}

/* Pattern Editor Grid Info */
#patternEditorModal #gridSizeInfo {
    color: black !important;
}

#patternEditorModal #gridSizeInfo .text-success,
#patternEditorModal #gridSizeInfo .text-warning {
    color: black !important;
}

/* Reference Image Controls */
#patternEditorModal #referenceUploadZone {
    border: 1px dashed #ccc !important;
    background: white !important;
    color: black !important;
}

#patternEditorModal #referenceUploadZone:hover {
    border-color: black !important;
    background: #f5f5f5 !important;
}

/* Reference Image Sliders - Force Black and White */
#patternEditorModal #referenceOpacity,
#patternEditorModal #referenceOffsetX,
#patternEditorModal #referenceOffsetY {
    background: #ccc !important;
    -webkit-appearance: none !important;
    appearance: none !important;
    height: 4px !important;
    border-radius: 2px !important;
}

#patternEditorModal #referenceOpacity::-webkit-slider-thumb,
#patternEditorModal #referenceOffsetX::-webkit-slider-thumb,
#patternEditorModal #referenceOffsetY::-webkit-slider-thumb {
    -webkit-appearance: none !important;
    appearance: none !important;
    width: 16px !important;
    height: 16px !important;
    background: black !important;
    border: 1px solid white !important;
    border-radius: 50% !important;
    cursor: pointer !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3) !important;
}

#patternEditorModal #referenceOpacity::-webkit-slider-thumb:hover,
#patternEditorModal #referenceOffsetX::-webkit-slider-thumb:hover,
#patternEditorModal #referenceOffsetY::-webkit-slider-thumb:hover {
    background: #333333 !important;
    transform: scale(1.1) !important;
}

/* Firefox slider styling */
#patternEditorModal #referenceOpacity::-moz-range-thumb,
#patternEditorModal #referenceOffsetX::-moz-range-thumb,
#patternEditorModal #referenceOffsetY::-moz-range-thumb {
    width: 16px !important;
    height: 16px !important;
    background: black !important;
    border: 1px solid white !important;
    border-radius: 50% !important;
    cursor: pointer !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3) !important;
}

#patternEditorModal #referenceOpacity::-moz-range-track,
#patternEditorModal #referenceOffsetX::-moz-range-track,
#patternEditorModal #referenceOffsetY::-moz-range-track {
    background: #ccc !important;
    height: 4px !important;
    border-radius: 2px !important;
    border: none !important;
}

/* Clear and Fill Buttons */
#patternEditorModal #clearGrid {
    background: white !important;
    color: black !important;
    border: 1px solid black !important;
}

#patternEditorModal #clearGrid:hover {
    background: black !important;
    color: white !important;
}

#patternEditorModal #fillGrid {
    background: white !important;
    color: black !important;
    border: 1px solid black !important;
}

#patternEditorModal #fillGrid:hover {
    background: black !important;
    color: white !important;
}

/* Pattern Editor Footer */
#patternEditorModal .modal-footer {
    background: white !important;
    border-top: 2px solid black !important;
}

/* Undo/Redo Buttons */
#patternEditorModal #undoBtn,
#patternEditorModal #redoBtn {
    background: white !important;
    color: black !important;
    border: 1px solid black !important;
}

#patternEditorModal #undoBtn:hover,
#patternEditorModal #redoBtn:hover {
    background: black !important;
    color: white !important;
}

/* Selection and Transform Buttons */
#patternEditorModal #copyBtn,
#patternEditorModal #cutBtn,
#patternEditorModal #pasteBtn,
#patternEditorModal #flipHBtn,
#patternEditorModal #flipVBtn,
#patternEditorModal #rotateBtn,
#patternEditorModal #tileBtn,
#patternEditorModal #mirrorBtn,
#patternEditorModal #clearSelectionBtn {
    background: white !important;
    color: black !important;
    border: 1px solid black !important;
}

#patternEditorModal #copyBtn:hover,
#patternEditorModal #cutBtn:hover,
#patternEditorModal #pasteBtn:hover,
#patternEditorModal #flipHBtn:hover,
#patternEditorModal #flipVBtn:hover,
#patternEditorModal #rotateBtn:hover,
#patternEditorModal #tileBtn:hover,
#patternEditorModal #mirrorBtn:hover,
#patternEditorModal #clearSelectionBtn:hover {
    background: black !important;
    color: white !important;
}

/* FLUX Render Controls Styling */
#fluxRenderControls {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
}

#guidanceSlider {
    -webkit-appearance: none;
    appearance: none;
}

#guidanceSlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.4);
    transition: all 0.2s ease;
}

#guidanceSlider::-webkit-slider-thumb:hover {
    background: #2563eb;
    transform: scale(1.1);
    box-shadow: 0 3px 8px rgba(59, 130, 246, 0.5);
}

#guidanceSlider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.4);
    transition: all 0.2s ease;
}

#guidanceSlider::-moz-range-thumb:hover {
    background: #2563eb;
    transform: scale(1.1);
    box-shadow: 0 3px 8px rgba(59, 130, 246, 0.5);
}

#guidanceSlider::-webkit-slider-track {
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.2);
}

#guidanceSlider::-moz-range-track {
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
}

/* =================================
   WEBSHOP STYLES
   ================================= */

.webshop-section {
    margin: 20px 0 40px 0;
    padding: 30px 0 40px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px;
}

.webshop-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 700;
}

.webshop-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* Category Tabs */
.category-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 12px 24px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 1rem;
}

.category-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.category-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-card.featured-kit {
    border: 3px solid var(--accent-color);
}

.product-card.featured-kit::before {
    content: "⭐ FEATURED";
    position: absolute;
    top: -1px;
    left: -1px;
    background: var(--accent-color);
    color: white;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: bold;
    border-radius: 0 0 var(--border-radius-sm) 0;
    z-index: 2;
}

/* Product Images */
.product-image {
    height: 200px;
    position: relative;
    overflow: hidden;
    background: #f8fafc;
}

.yarn-image, .pattern-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.yarn-color-preview {
    width: 100%;
    height: 100%;
    border-radius: 8px;
    margin: 8px;
    width: calc(100% - 16px);
    height: calc(100% - 16px);
}

.pattern-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.pattern-demo {
    width: 120px;
    height: 120px;
    border-radius: 8px;
}

.stripes-demo {
    background: repeating-linear-gradient(
        0deg,
        #ffffff 0px,
        #ffffff 12px,
        #333333 12px,
        #333333 24px
    );
}

.cable-demo {
    background: #f0f0f0;
    background-image: 
        radial-gradient(circle at 25% 25%, #333 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, #333 2px, transparent 2px);
    background-size: 20px 20px;
}

.diamonds-demo {
    background: #ffffff;
    background-image: 
        linear-gradient(45deg, #333 25%, transparent 25%),
        linear-gradient(-45deg, #333 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #333 75%),
        linear-gradient(-45deg, transparent 75%, #333 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.kit-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 20px;
}

.kit-yarn-sample {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: var(--shadow-md);
}

.kit-pattern-sample {
    font-size: 2rem;
    opacity: 0.8;
}

/* Product Badges */
.product-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
    z-index: 1;
}

.product-badge:not(.new):not(.beginner) {
    background: var(--secondary-color);
    color: white;
}

.product-badge.new {
    background: var(--accent-color);
    color: white;
}

.product-badge.beginner {
    background: var(--primary-color);
    color: white;
}

/* Product Info */
.product-info {
    padding: 20px;
}

.product-info h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-weight: 600;
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.product-specs {
    margin-bottom: 16px;
}

.spec {
    display: inline-block;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    margin-right: 8px;
    margin-bottom: 4px;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.original-price {
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: 1rem;
    margin-right: 8px;
}

.sale-price {
    color: var(--danger-color);
}

/* Add to Cart Buttons */
.add-to-cart-btn {
    width: 100%;
    padding: 12px 20px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 1rem;
}

.add-to-cart-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.add-to-cart-btn:active {
    transform: translateY(0);
}

/* Shopping Cart Summary */
.cart-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 40px 20px 0;
    padding: 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.cart-info {
    display: flex;
    align-items: center;
    gap: 16px;
    font-weight: 600;
}

.cart-icon {
    font-size: 1.5rem;
}

.cart-count {
    color: var(--text-secondary);
}

.cart-total {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.checkout-btn {
    padding: 12px 24px;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 1rem;
}

.checkout-btn:hover:not(:disabled) {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.checkout-btn:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Responsive Webshop */
@media (max-width: 768px) {
    .webshop-section {
        margin: 20px 0;
        padding: 20px 0;
        border-radius: 12px;
    }
    
    .webshop-title {
        font-size: 2rem;
    }
    
    .webshop-subtitle {
        font-size: 1rem;
        margin-bottom: 30px;
    }
    
    .category-tabs {
        margin-bottom: 30px;
    }
    
    .category-tab {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 16px;
        padding: 0 10px;
    }
    
    .cart-summary {
        flex-direction: column;
        gap: 16px;
        margin: 30px 10px 0;
        text-align: center;
    }
    
    .checkout-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
        padding: 0 10px;
    }
    
    .category-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .category-tab {
        width: 200px;
    }
}