/**
 * Image Converter Tool - Optimized Styles v2.0
 * Modern UI with GPU-accelerated animations
 */

:root {
    /* Core Colors */
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --primary-light: rgba(59, 130, 246, 0.12);
    --primary-glow: rgba(59, 130, 246, 0.35);
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #0ea5e9;
    
    /* Theme Colors */
    --dark-bg: #0f172a;
    --dark-card: #1e293b;
    --dark-text: #f1f5f9;
    --light-bg: #f8fafc;
    --light-card: #ffffff;
    --light-text: #1e293b;
    
    /* Enhanced Layout */
    --border-radius: 10px;
    --border-radius-sm: 6px;
    --border-radius-lg: 16px;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --box-shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    
    /* GPU-Optimized Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Glass Effect */
    --glass-blur: blur(12px);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.3);
    
    /* Borders */
    --border-color: #e2e8f0;
}

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

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 50%, #f0f9ff 100%);
    color: var(--light-text);
    transition: background var(--transition), color var(--transition-fast);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.dark-mode {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e1b4b 100%);
    color: var(--dark-text);
    --glass-bg: rgba(30, 41, 59, 0.85);
    --glass-border: rgba(255, 255, 255, 0.08);
    --border-color: #334155;
}

.app-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.logo {
    height: 38px;
    transition: transform var(--transition);
}

.logo-link:hover .logo {
    transform: scale(1.05) translateZ(0);
}

h1 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.upload-section, .conversion-options, .images-section, .features-section {
    background: var(--light-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
    padding: 24px;
    transition: all var(--transition);
}

.upload-section:hover, .conversion-options:hover, .images-section:hover {
    box-shadow: var(--box-shadow-lg);
}

.dark-mode .upload-section,
.dark-mode .conversion-options,
.dark-mode .images-section,
.dark-mode .features-section {
    background: var(--dark-card);
}

.upload-container {
    margin-bottom: 20px;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 48px 24px;
    text-align: center;
    transition: all var(--transition);
    cursor: pointer;
    position: relative;
    background: var(--light-card);
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: var(--primary-light);
    transform: translateY(-2px) translateZ(0);
}

.dark-mode .upload-area {
    border-color: #475569;
    background: var(--dark-card);
}

.dark-mode .upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
}

.upload-icon {
    font-size: 52px;
    color: var(--primary-color);
    margin-bottom: 16px;
    animation: bounceGentle 2s infinite;
}

@keyframes bounceGentle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.formats {
    display: block;
    margin-top: 12px;
    font-size: 13px;
    color: #64748b;
}

.dark-mode .formats {
    color: #94a3b8;
}

.file-input {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
    gap: 4px;
}

.dark-mode .tabs {
    border-bottom-color: #475569;
}

.tab-btn {
    padding: 12px 24px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 14px;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    margin-bottom: -2px;
}

.dark-mode .tab-btn {
    color: #94a3b8;
}

.tab-btn:hover {
    color: var(--primary-color);
    background: var(--primary-light);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    padding: 12px 0;
}

.option-group {
    margin-bottom: 18px;
}

.option-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--light-text);
}

.dark-mode .option-group label {
    color: var(--dark-text);
}

.option-group input[type="number"] {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: all var(--transition-fast);
    background: var(--light-card);
    color: var(--light-text);
}

.dark-mode .option-group input[type="number"] {
    background: var(--dark-card);
    border-color: #475569;
    color: var(--dark-text);
}

.option-group input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    outline: none;
    margin: 12px 0;
    cursor: pointer;
}

.dark-mode input[type="range"] {
    background: #475569;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px var(--primary-glow);
    transition: transform var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

input[type="color"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 44px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 4px;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

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

.dark-mode input[type="color"] {
    border-color: #475569;
}

.custom-select {
    position: relative;
    width: 100%;
}

.custom-select select {
    appearance: none;
    -webkit-appearance: none;
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--light-card);
    color: var(--light-text);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.dark-mode .custom-select select {
    background: var(--dark-card);
    border-color: #475569;
    color: var(--dark-text);
}

.custom-select select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.select-arrow {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: #64748b;
    transition: all var(--transition-fast);
}

.dark-mode .select-arrow {
    color: #94a3b8;
}

.checkbox-group {
    margin-bottom: 16px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 32px;
    cursor: pointer;
    font-size: 14px;
    color: #64748b;
    user-select: none;
    margin-bottom: 12px;
    font-weight: 500;
}

.dark-mode .checkbox-container {
    color: #94a3b8;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 22px;
    width: 22px;
    background: var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.dark-mode .checkmark {
    background: #475569;
}

.checkbox-container:hover input ~ .checkmark {
    background: #cbd5e1;
    transform: scale(1.05);
}

.dark-mode .checkbox-container:hover input ~ .checkmark {
    background: #64748b;
}

.checkbox-container input:checked ~ .checkmark {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 2px 8px var(--primary-glow);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 8px;
    top: 4px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.icon-sizes-container {
    margin-bottom: 24px;
}

.icon-sizes-container label {
    display: block;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #64748b;
}

.dark-mode .icon-sizes-container label {
    color: #94a3b8;
}

.icon-sizes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
}

.images-container {
    padding: 12px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.section-header h3 {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.batch-actions {
    display: flex;
    gap: 12px;
}

.images-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
    max-height: 600px;
    overflow-y: auto;
    padding-right: 12px;
}

/* Custom scrollbar for images list */
.images-list::-webkit-scrollbar {
    width: 6px;
}

.images-list::-webkit-scrollbar-track {
    background: transparent;
}

.images-list::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.dark-mode .images-list::-webkit-scrollbar-thumb {
    background: #475569;
}

.image-item {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 16px;
    background: rgba(59, 130, 246, 0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px;
    position: relative;
    transition: all var(--transition);
}

.dark-mode .image-item {
    background: rgba(59, 130, 246, 0.08);
    border-color: #475569;
}

.image-item:hover {
    transform: translateY(-3px) translateZ(0);
    box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.image-preview {
    width: 80px;
    height: 80px;
    overflow: hidden;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

.dark-mode .image-preview {
    background: linear-gradient(135deg, #334155, #1e293b);
}

.image-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.image-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.image-name {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 6px;
    word-break: break-all;
    color: var(--light-text);
}

.dark-mode .image-name {
    color: var(--dark-text);
}

.image-dimensions, .image-size {
    font-size: 12px;
    color: #64748b;
    margin-bottom: 3px;
}

.dark-mode .image-dimensions, 
.dark-mode .image-size {
    color: #94a3b8;
}

.conversion-info {
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px dashed #cbd5e1;
}

.dark-mode .conversion-info {
    border-top-color: #4b5563;
}

.converted-format {
    font-size: 12px;
    color: var(--success-color);
    font-weight: 600;
}

.image-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-self: center;
}

.action-btn {
    padding: 10px 16px;
    border: none;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, #e2e8f0, #f1f5f9);
    color: var(--light-text);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    white-space: nowrap;
}

.dark-mode .action-btn {
    background: linear-gradient(135deg, #4b5563, #374151);
    color: var(--dark-text);
}

.action-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #cbd5e1, #e2e8f0);
    transform: translateY(-3px) translateZ(0);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.dark-mode .action-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #6b7280, #4b5563);
}

.action-btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.action-btn.primary:hover:not(:disabled) {
    box-shadow: 0 6px 20px var(--primary-glow);
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.icon-button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    color: #64748b;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.dark-mode .icon-button {
    color: #94a3b8;
}

.icon-button:hover {
    color: var(--danger-color);
    background-color: rgba(239, 68, 68, 0.12);
    transform: scale(1.15);
}

.conversion-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    overflow: hidden;
    border-bottom-left-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}

.progress-bar {
    height: 100%;
    background-color: #e2e8f0;
}

.dark-mode .progress-bar {
    background-color: #4b5563;
}

.progress-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.bulk-download {
    margin-top: 24px;
    text-align: center;
}

.feature-heading {
    text-align: center;
    margin-bottom: 36px;
}

.feature-heading h2 {
    font-size: 28px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    font-weight: 800;
}

.feature-heading p {
    color: #64748b;
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.dark-mode .feature-heading p {
    color: #94a3b8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-item {
    padding: 28px 24px;
    background: var(--light-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.dark-mode .feature-item {
    background: var(--dark-card);
    border-color: #475569;
}

.feature-item:hover {
    transform: translateY(-6px) translateZ(0);
    box-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 18px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-title {
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--light-text);
}

.dark-mode .feature-title {
    color: var(--dark-text);
}

.feature-description {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
}

.dark-mode .feature-description {
    color: #94a3b8;
}

/* Footer - Glassmorphism */
.footer {
    margin-top: 50px;
    padding: 24px 0;
    text-align: center;
    border-top: 1px solid rgba(226, 232, 240, 0.5);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all var(--transition);
}

.dark-mode .footer {
    background: rgba(31, 41, 55, 0.85);
    border-top-color: rgba(75, 85, 99, 0.5);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer p {
    margin: 10px 0;
    font-size: 14px;
    color: #64748b;
}

.dark-mode .footer p {
    color: #94a3b8;
}

.footer-links {
    line-height: 1.8;
}

.footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
}

.footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition);
}

.footer a:hover::after {
    width: 100%;
}

.footer a:hover {
    color: var(--primary-hover);
}

.dmca-badge {
    display: inline-block;
    margin-bottom: 12px;
}

/* Toast - Enhanced */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
}

.toast {
    padding: 14px 24px;
    border-radius: var(--border-radius);
    margin-bottom: 12px;
    color: white;
    display: flex;
    align-items: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    max-width: 380px;
    animation: toastSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1), toastFadeOut 0.5s 2.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    pointer-events: none;
    backdrop-filter: blur(8px);
}

@keyframes toastSlideIn {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

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

.toast.success { 
    background: linear-gradient(135deg, var(--success-color), #059669); 
}
.toast.error { 
    background: linear-gradient(135deg, var(--danger-color), #dc2626); 
}
.toast.warning { 
    background: linear-gradient(135deg, var(--warning-color), #d97706); 
}
.toast.info { 
    background: linear-gradient(135deg, var(--info-color), #0284c7); 
}

.toast i {
    margin-right: 12px;
    font-size: 18px;
}

/* Theme Toggle - Enhanced */
#theme-btn {
    background: linear-gradient(135deg, #e2e8f0, #f1f5f9);
    border: none;
    font-size: 18px;
    cursor: pointer;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    color: var(--light-text);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.dark-mode #theme-btn {
    background: linear-gradient(135deg, #4b5563, #374151);
    color: var(--dark-text);
}

#theme-btn:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: rotate(30deg) scale(1.1);
    box-shadow: 0 4px 16px var(--primary-glow);
}

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

/* Responsive - Enhanced */
@media (max-width: 768px) {
    .image-item {
        grid-template-columns: 1fr;
    }
    
    .image-preview {
        width: 100%;
        height: 160px;
    }
    
    .image-actions {
        flex-direction: row;
        justify-content: center;
        margin-top: 12px;
    }
    
    .batch-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .icon-sizes {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
}

@media (max-width: 640px) {
    .batch-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .batch-actions .action-btn {
        width: 100%;
    }
    
    .tabs {
        flex-direction: column;
        border-bottom: none;
        gap: 0;
    }
    
    .tab-btn {
        padding: 12px 16px;
        border-bottom: none;
        border-left: 3px solid transparent;
        text-align: left;
    }
    
    .tab-btn.active {
        border-bottom: none;
        border-left-color: var(--primary-color);
        background: var(--primary-light);
    }
    
    .dark-mode .tab-btn.active {
        background: rgba(59, 130, 246, 0.15);
    }
    
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    
    .footer-links a {
        margin: 0;
    }
}

/* Loading Animation - GPU Optimized */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spinLoader 0.8s linear infinite;
    transform: translateZ(0);
}

@keyframes spinLoader {
    to { transform: rotate(360deg) translateZ(0); }
}

/* Drag over effect - Enhanced */
.upload-area.drag-over {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(139, 92, 246, 0.08));
    transform: scale(1.01);
}

/* Icon Preview - Enhanced */
.icon-preview-container {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 24px;
}

.icon-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.icon-preview-image {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    transition: all var(--transition-fast);
}

.icon-preview-image:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.dark-mode .icon-preview-image {
    border-color: #475569;
    background: #1f2937;
}

.icon-preview-label {
    font-size: 11px;
    color: #64748b;
    font-weight: 500;
}

.dark-mode .icon-preview-label {
    color: #94a3b8;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}