/* ColorTools - Tools Specific Styles */

/* General Mobile Optimization - Prevent Overflow */
* {
    box-sizing: border-box;
}

.tool-section *,
.tool-header * {
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

input, textarea, select, button {
    max-width: 100%;
    box-sizing: border-box;
}

/* Color Converter - Enhanced UI */
.converter-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
}

.converter-input, .converter-output {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.06);
}

.converter-input h3, .converter-output h3 {
    margin: 0 0 1rem 0;
    font-size: var(--font-size-lg);
    color: var(--gray-800);
}

.input-methods {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.input-method label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.25rem;
    display: block;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.color-input, .format-output {
    flex: 1;
    padding: 0.6rem 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    background: var(--gray-50);
}

.copy-btn {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 8px;
    background: var(--gray-100);
    color: var(--gray-700);
    cursor: pointer;
    transition: background .2s ease, color .2s ease, transform .06s ease;
}

.copy-btn:hover { background: var(--primary-color); color: var(--white); }
.copy-btn.copied { background: var(--success-color); color: var(--white); }

.color-picker-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--gray-200);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.color-picker-section input[type="color"] {
    width: 52px;
    height: 36px;
    border: none;
    padding: 0;
    background: transparent;
}

.color-preview {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.current-color {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    border: 2px solid var(--gray-200);
}

.color-name { font-weight: 600; color: var(--gray-800); }

.output-formats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.format-card {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    padding: 0.75rem;
}

.format-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

/* Long values should wrap on mobile */
.format-output, .color-input {
    overflow-wrap: anywhere;
}

/* Responsive */
@media (max-width: 992px) {
    .converter-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    .converter-input,
    .converter-output {
        padding: var(--spacing-4);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
}

@media (max-width: 480px) {
    .input-methods, .output-formats { grid-template-columns: 1fr; }
    .converter-input, .converter-output { padding: 1rem; }
}

/* AI Logo Tool Specific Styles */
.ai-logo-controls {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-200);
}

.control-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

.form-select {
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: var(--font-size-base);
    background: var(--white);
    transition: var(--transition-fast);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.control-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.ai-logo-results {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--gray-200);
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.logo-suggestions-section,
.logo-preview-section {
    background: var(--gray-50);
    border-radius: 8px;
    padding: 1.5rem;
}

.logo-suggestions-section h3,
.logo-preview-section h3 {
    margin: 0 0 1rem 0;
    color: var(--gray-800);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.logo-suggestions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.logo-suggestion {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--white);
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    transition: var(--transition-fast);
}

.logo-suggestion:hover {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.suggestion-color {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 2px solid var(--gray-200);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.suggestion-info {
    flex: 1;
}

.suggestion-name {
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.suggestion-role {
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.suggestion-hex {
    font-family: 'Courier New', monospace;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.suggestion-description {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    line-height: 1.4;
}

.suggestion-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 6px;
    background: var(--gray-100);
    color: var(--gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

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

.logo-preview {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.logo-visualization-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.logo-preview-wordmark,
.logo-preview-symbol,
.logo-preview-combination,
.logo-preview-emblem,
.logo-preview-monogram {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    padding: 1rem;
    border: 2px dashed var(--gray-300);
    border-radius: 8px;
    background: var(--white);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.logo-symbol {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    margin-left: 1rem;
}

.logo-accent {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin-left: 0.5rem;
}

.logo-variations {
    display: flex;
    gap: 1rem;
}

.logo-variation {
    flex: 1;
    padding: 0.75rem;
    border-radius: 6px;
    text-align: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.logo-info {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: 6px;
}

.logo-info h5 {
    margin: 0 0 0.5rem 0;
    color: var(--gray-800);
    font-size: var(--font-size-base);
}

.logo-info p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.logo-analysis-section {
    background: var(--gray-50);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.logo-analysis-section h3 {
    margin: 0 0 1rem 0;
    color: var(--gray-800);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.logo-analysis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.analysis-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--white);
    border-radius: 6px;
    border: 1px solid var(--gray-200);
}

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

.analysis-item span {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.result-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .control-row {
        grid-template-columns: 1fr;
    }
    
    .control-actions {
        flex-direction: column;
    }
    
    .logo-analysis {
        grid-template-columns: 1fr;
    }
    
    .result-actions {
        flex-direction: column;
    }
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    color: var(--white);
    font-weight: 500;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    background: var(--success-color);
}

.notification-error {
    background: var(--error-color);
}

.notification-info {
    background: var(--primary-color);
}

/* Tool Header */
.tool-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-bottom: 1px solid var(--gray-200);
}

.tool-header-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.tool-breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.tool-breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

.tool-breadcrumb a:hover {
    color: var(--primary-dark);
}

.tool-breadcrumb i {
    font-size: var(--font-size-xs);
}

.tool-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.tool-title i {
    color: var(--primary-color);
    font-size: var(--font-size-3xl);
}

.tool-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.7;
}

/* Tool Section */
.tool-section {
    padding: var(--spacing-16) 0;
    background: var(--white);
}

.tool-section .container {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 var(--spacing-4);
}

/* Color Picker Specific Styles */
.color-picker-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-8);
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.color-canvas-container {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.color-canvas-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-4);
    background: 
        linear-gradient(45deg, #ccc 25%, transparent 25%), 
        linear-gradient(-45deg, #ccc 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, #ccc 75%), 
        linear-gradient(-45deg, transparent 75%, #ccc 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

#colorCanvas {
    display: block;
    width: 100%;
    height: auto;
    cursor: crosshair;
    border-radius: var(--radius-lg);
}

.color-preview {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    border: 3px solid var(--white);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.canvas-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 5;
}

.crosshair {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--white);
    border-radius: 50%;
    box-shadow: 0 0 0 1px var(--gray-400);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: var(--transition-fast);
}

.crosshair.active {
    opacity: 1;
}

.canvas-controls {
    display: flex;
    gap: var(--spacing-3);
    justify-content: center;
}

/* Color Info Panel */
.color-info-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.color-display {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.current-color {
    width: 100%;
    height: 80px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: var(--transition-fast);
}

.color-formats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.format-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.format-group label {
    font-weight: 600;
    color: var(--gray-700);
    min-width: 40px;
    font-size: var(--font-size-sm);
}

.color-input {
    flex: 1;
    padding: var(--spacing-2) var(--spacing-3);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

.color-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.copy-btn {
    padding: var(--spacing-2);
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-md);
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.copy-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.05);
}

.copy-btn.copied {
    background: var(--success-color);
    color: var(--white);
}

/* Color History */
.color-history {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.color-history h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.history-colors {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
    min-height: 40px;
}

.history-color {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 2px solid var(--gray-200);
    transition: var(--transition-fast);
    position: relative;
}

.history-color:hover {
    transform: scale(1.1);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.history-color::after {
    content: attr(data-color);
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    white-space: nowrap;
    opacity: 0;
    transition: var(--transition-fast);
}

.history-color:hover::after {
    opacity: 1;
}

/* Color Harmony */
.color-harmony {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.color-harmony h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

.harmony-options {
    display: flex;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
    flex-wrap: wrap;
}

.harmony-btn {
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-md);
    color: var(--gray-700);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.harmony-btn:hover {
    background: var(--gray-200);
}

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

.harmony-colors {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

.harmony-preview {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.harmony-color {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
    width: 100%;
    box-sizing: border-box;
}

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

.harmony-color .color-swatch {
    width: 80px;
    height: 80px;
    min-width: 80px;
    border-radius: var(--radius-md);
    border: 2px solid var(--gray-200);
    flex-shrink: 0;
}

.harmony-color .color-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

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

.harmony-color .color-hex {
    font-family: monospace;
    color: var(--gray-700);
    font-size: var(--font-size-sm);
}

.harmony-color .color-rgb {
    font-family: monospace;
    color: var(--gray-600);
    font-size: var(--font-size-xs);
}

.harmony-color .color-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.harmony-color .btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-md);
    background: var(--gray-100);
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

@media (max-width: 768px) {
    .harmony-color {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .harmony-color .color-swatch {
        width: 100%;
        height: 60px;
    }
}

/* Features Section */
.features-section {
    padding: var(--spacing-16) 0;
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
    color: var(--white);
    font-size: var(--font-size-xl);
}

.feature-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .color-picker-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
        max-width: 100%;
        width: 100%;
    }
    
    .color-info-panel {
        order: -1;
        width: 100%;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .tool-header {
        padding: 80px 0 30px;
    }

    .tool-header-content {
        padding: 0 var(--spacing-4);
    }

    .tool-breadcrumb {
        font-size: var(--font-size-xs);
        margin-bottom: var(--spacing-3);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .tool-title {
        font-size: var(--font-size-2xl);
        flex-direction: column;
        gap: var(--spacing-2);
        margin-bottom: var(--spacing-3);
    }

    .tool-title i {
        font-size: var(--font-size-xl);
    }

    .tool-description {
        font-size: var(--font-size-sm);
        line-height: 1.6;
        padding: 0 var(--spacing-2);
    }

    .tool-stats {
        gap: var(--spacing-3);
        margin-top: var(--spacing-4);
        flex-wrap: wrap;
        justify-content: center;
    }

    .stat-item {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }

    .stat-item i {
        font-size: var(--font-size-base);
    }
    
    .tool-section {
        padding: var(--spacing-8) 0;
    }

    .container {
        padding: 0 var(--spacing-4);
        max-width: 100%;
        width: 100%;
        box-sizing: border-box;
    }
    
    .color-picker-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
        max-width: 100%;
    }

    .color-canvas-container {
        padding: var(--spacing-4);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    #colorCanvas {
        max-width: 100%;
        height: auto;
    }
    
    .color-display,
    .color-history,
    .color-harmony {
        padding: var(--spacing-4);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .color-info-panel {
        width: 100%;
        max-width: 100%;
    }

    .format-group {
        width: 100%;
        max-width: 100%;
    }

    .color-input {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        font-size: var(--font-size-sm);
    }
    
    .harmony-options {
        flex-direction: column;
    }
    
    .harmony-btn {
        text-align: center;
        width: 100%;
        padding: var(--spacing-3);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }

    .converter-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    .input-methods,
    .output-formats {
        grid-template-columns: 1fr;
        gap: var(--spacing-3);
    }

    .canvas-controls {
        flex-direction: column;
        gap: var(--spacing-2);
    }

    .btn {
        width: 100%;
        padding: var(--spacing-3) var(--spacing-4);
        font-size: var(--font-size-sm);
        min-height: 44px;
    }
}

@media (max-width: 480px) {
    .tool-header {
        padding: 70px 0 25px;
    }

    .tool-title {
        font-size: var(--font-size-xl);
    }

    .tool-title i {
        font-size: var(--font-size-lg);
    }

    .tool-description {
        font-size: var(--font-size-xs);
        padding: 0 var(--spacing-1);
    }

    .tool-stats {
        gap: var(--spacing-2);
        margin-top: var(--spacing-3);
    }

    .stat-item {
        padding: var(--spacing-2);
        font-size: 0.7rem;
        flex: 1;
        min-width: 0;
    }

    .stat-item span {
        font-size: 0.7rem;
        word-break: break-word;
    }
    
    .tool-section {
        padding: var(--spacing-6) 0;
    }

    .container {
        padding: 0 var(--spacing-3);
    }
    
    .color-canvas-container,
    .color-display,
    .color-history,
    .color-harmony {
        padding: var(--spacing-3);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    #colorCanvas {
        width: 100% !important;
        max-width: 100% !important;
    }
    
    .format-group {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        max-width: 100%;
    }
    
    .format-group label {
        min-width: auto;
        font-size: var(--font-size-xs);
    }

    .color-input {
        font-size: var(--font-size-xs);
        padding: var(--spacing-2);
    }

    .copy-btn {
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
    }
    
    .canvas-controls {
        flex-direction: column;
        gap: var(--spacing-2);
    }

    .btn {
        width: 100%;
        padding: var(--spacing-3);
        font-size: var(--font-size-xs);
        min-height: 44px;
    }
    
    .harmony-colors {
        justify-content: center;
        flex-wrap: wrap;
    }

    .converter-input,
    .converter-output {
        padding: var(--spacing-3);
    }
}

/* Animation Classes for Tools */
.tool-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.tool-slide-up {
    animation: slideInUp 0.6s ease-out;
}

.tool-scale-in {
    animation: scaleIn 0.4s ease-out;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

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

/* Success/Error States */
.success {
    border-color: var(--success-color) !important;
    box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.1) !important;
}

.error {
    border-color: var(--error-color) !important;
    box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.1) !important;
}

/* Tooltip Styles */
.tooltip {
    position: absolute;
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    z-index: 1000;
    opacity: 0;
    transform: translateY(5px);
    transition: var(--transition-fast);
    pointer-events: none;
}

.tooltip.show {
    opacity: 1;
    transform: translateY(0);
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--gray-900);
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    color: var(--white);
    font-weight: 500;
    z-index: 10000;
    opacity: 0;
    transform: translateX(100%);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification-success {
    background: var(--success-color);
}

.notification-error {
    background: var(--error-color);
}

.notification-warning {
    background: var(--warning-color);
}

.notification-info {
    background: var(--primary-color);
}

/* Color Shades Specific Styles */
.shades-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-8);
    max-width: 1200px;
    margin: 0 auto;
}

.shades-input {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.shade-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-top: var(--spacing-4);
}

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

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

.range-input {
    width: 100%;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--gray-200);
    outline: none;
    -webkit-appearance: none;
}

.range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.range-value {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 500;
}

.select-input {
    padding: var(--spacing-2) var(--spacing-3);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    background: var(--white);
    transition: var(--transition-fast);
}

.select-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.shades-display {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

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

.shades-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
}

.shade-card {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    border: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

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

.shade-swatch {
    width: 100%;
    height: 60px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-3);
    box-shadow: var(--shadow-sm);
}

.shade-info {
    margin-bottom: var(--spacing-3);
}

.shade-hex {
    font-weight: 600;
    color: var(--gray-900);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: var(--font-size-sm);
}

.shade-rgb, .shade-hsl {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.shade-type {
    font-size: var(--font-size-xs);
    color: var(--primary-color);
    font-weight: 500;
    text-transform: capitalize;
}

.shade-actions {
    display: flex;
    gap: var(--spacing-2);
}

.color-system-preview {
    margin-top: var(--spacing-12);
}

.system-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-6);
}

.system-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.system-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-4);
}

.system-count {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    background: var(--gray-100);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
}

.color-bars {
    display: flex;
    gap: 2px;
    margin-bottom: var(--spacing-4);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.color-bar {
    flex: 1;
    height: 40px;
    transition: var(--transition-fast);
}

.color-bar:hover {
    transform: scaleY(1.1);
}

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

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

/* Contrast Checker Specific Styles */
.contrast-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
    max-width: 1200px;
    margin: 0 auto;
}

.contrast-inputs {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.color-input-group {
    margin-bottom: var(--spacing-4);
}

.input-row {
    display: flex;
    gap: var(--spacing-2);
    align-items: center;
}

.contrast-actions {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
}

.contrast-results {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.contrast-ratio {
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.ratio-display {
    margin-bottom: var(--spacing-4);
}

.ratio-value {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--gray-900);
    display: block;
}

.ratio-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ratio-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.ratio-status.success {
    background: rgba(74, 222, 128, 0.1);
    color: var(--success-color);
}

.ratio-status.warning {
    background: rgba(251, 191, 36, 0.1);
    color: var(--warning-color);
}

.ratio-status.error {
    background: rgba(248, 113, 113, 0.1);
    color: var(--error-color);
}

.wcag-compliance {
    margin-top: var(--spacing-6);
}

.compliance-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3);
}

.compliance-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.compliance-item.passed {
    background: rgba(74, 222, 128, 0.1);
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.compliance-item.failed {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.compliance-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.compliance-text {
    flex: 1;
}

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

.compliance-requirement {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}

.text-preview {
    grid-column: 1 / -1;
    margin-top: var(--spacing-8);
}

.preview-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-top: var(--spacing-4);
}

.preview-text {
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    font-weight: 500;
    border: 2px solid var(--gray-200);
}

.normal-text {
    font-size: var(--font-size-base);
}

.large-text {
    font-size: var(--font-size-lg);
}

.bold-text {
    font-size: var(--font-size-base);
    font-weight: 700;
}

.contrast-suggestions {
    grid-column: 1 / -1;
    margin-top: var(--spacing-8);
}

.suggestions-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.suggestions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    color: var(--gray-700);
}

.suggestion-item i {
    color: var(--warning-color);
}

/* Color Blindness Simulator Specific Styles */
.blindness-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
    max-width: 1200px;
    margin: 0 auto;
}

.blindness-input {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.color-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

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

.simulation-controls {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.blindness-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
}

.blindness-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4);
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.blindness-btn:hover {
    background: var(--gray-200);
}

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

.blindness-btn i {
    font-size: var(--font-size-lg);
}

.color-comparison {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
    margin-top: var(--spacing-4);
}

.comparison-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.comparison-type {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    background: var(--gray-100);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
}

.color-swatches {
    display: flex;
    gap: var(--spacing-2);
}

.color-swatch {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    border: 2px solid var(--gray-200);
    transition: var(--transition-fast);
}

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

.test-patterns {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.pattern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-4);
}

.pattern-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.color-bars {
    display: flex;
    gap: 2px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.color-bar {
    flex: 1;
    height: 30px;
    transition: var(--transition-fast);
}

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

.text-sample {
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    font-weight: 500;
    border: 1px solid var(--gray-200);
}

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

.sample-button {
    padding: var(--spacing-2) var(--spacing-4);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.sample-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.accessibility-analysis {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.analysis-card {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    border: 1px solid var(--gray-200);
}

.analysis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-4);
}

.analysis-type {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    background: var(--gray-100);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
}

.analysis-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.analysis-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-2) 0;
    border-bottom: 1px solid var(--gray-200);
}

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

.analysis-label {
    font-size: var(--font-size-sm);
    color: var(--gray-700);
    font-weight: 500;
}

.analysis-value {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.analysis-value.success {
    color: var(--success-color);
}

.analysis-value.warning {
    color: var(--warning-color);
}

.analysis-value.error {
    color: var(--error-color);
}

/* Responsive Design for Tools */
@media (max-width: 1024px) {
    .shades-container,
    .contrast-container {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .pattern-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .shades-grid {
        grid-template-columns: 1fr;
    }
    
    .compliance-grid {
        grid-template-columns: 1fr;
    }
    
    .blindness-types {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .color-inputs {
        grid-template-columns: 1fr;
    }
}

/* SEO Content Sections - How to Use, Use Cases, Tips */
.how-to-use, .use-cases, .tips-section {
    padding: var(--spacing-16) 0;
    background: var(--gray-50);
}

.how-to-use:nth-child(even), .use-cases:nth-child(even) {
    background: var(--white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.step-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    position: relative;
    transition: var(--transition-fast);
}

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

.step-number {
    position: absolute;
    top: -15px;
    left: var(--spacing-6);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-md);
}

.step-card h3 {
    margin: var(--spacing-4) 0 var(--spacing-3) 0;
    color: var(--gray-900);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.step-card p {
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.use-case-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: var(--transition-fast);
}

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

.use-case-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-4);
}

.use-case-card h3 {
    margin: 0 0 var(--spacing-3) 0;
    color: var(--gray-900);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.use-case-card p {
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

.tips-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-top: var(--spacing-8);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.tip-item {
    display: flex;
    gap: var(--spacing-4);
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition-fast);
}

.tip-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.tip-item i {
    font-size: 1.5rem;
    color: var(--success-color);
    flex-shrink: 0;
    margin-top: 2px;
}

.tip-item h4 {
    margin: 0 0 var(--spacing-2) 0;
    color: var(--gray-900);
    font-size: var(--font-size-base);
    font-weight: 600;
}

.tip-item p {
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

.tip-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.tip-item a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .steps-grid, .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    .tip-item {
        flex-direction: column;
        gap: var(--spacing-3);
    }
}