/**
 * WebP Converter - Tool-specific styles
 * Base styles come from /css/tool-layout.css
 */

/* Upload Zone */
.file-upload-zone {
    background: var(--bg-secondary);
    border: 2px dashed var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-xxl) var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all 150ms ease;
}

.file-upload-zone:hover,
.file-upload-zone:focus {
    border-color: var(--color-primary);
    background: var(--bg-tertiary);
}

.file-upload-zone.drag-active {
    border-color: var(--color-primary);
    background: rgba(59, 130, 246, 0.1);
}

.file-upload-zone input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.upload-icon {
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
}

.upload-primary {
    font-size: var(--font-md);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.upload-secondary {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

/* Settings Section */
.settings-section {
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
}

.section-title {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.settings-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.settings-group + .settings-group {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-default);
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.setting-item label {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
}

.setting-hint {
    font-size: var(--font-xs);
    color: var(--text-tertiary);
}

/* Slider */
input[type="range"].slider {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

input[type="range"].slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 150ms ease;
}

input[type="range"].slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

input[type="range"].slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--font-sm);
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    background: var(--bg-primary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all 150ms ease;
    flex-shrink: 0;
}

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

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label input[type="checkbox"]:disabled + .checkbox-custom {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Pro Feature styling */
.pro-feature {
    opacity: 0.7;
}

.pro-feature.pro-unlocked {
    opacity: 1;
}

.pro-badge {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #000;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

/* Output Section */
.output-section {
    padding: var(--space-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
}

.preview-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.image-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
}

.comparison-item {
    flex: 1;
    max-width: 320px;
    text-align: center;
}

.comparison-label {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-sm);
}

.comparison-image {
    background: var(--bg-primary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-sm);
}

.comparison-image img {
    max-width: 100%;
    max-height: 200px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.comparison-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.format-badge {
    display: inline-block;
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    font-weight: 500;
}

.size-reduction {
    font-weight: 600;
}

.size-reduction.positive {
    color: var(--color-success, #10b981);
}

.size-reduction.negative {
    color: var(--color-error, #ef4444);
}

.comparison-arrow {
    color: var(--color-success, #10b981);
    flex-shrink: 0;
}

/* Download Actions */
.download-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.button-download {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Pro Features Section */
.pro-features-section {
    padding: var(--space-xl);
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(245, 158, 11, 0.05));
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-lg);
}

.pro-features-card h3 {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.pro-features-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-lg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.pro-features-list li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.pro-features-list svg {
    color: var(--color-success, #10b981);
    flex-shrink: 0;
}

.pro-upgrade-btn {
    display: inline-block;
}

/* Similar Tools Section */
.similar-tools {
    padding: var(--space-xl) 0;
}

.similar-tools h2 {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.similar-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.similar-tool-card {
    background: var(--bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
    text-decoration: none;
    transition: all 150ms ease;
}

.similar-tool-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.similar-tool-card h3 {
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--space-xs) 0;
}

.similar-tool-card p {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Tool Info Section */
.tool-info-section {
    padding: var(--space-xxl) var(--space-lg);
    background: var(--bg-secondary);
    margin-top: var(--space-xxl);
}

.tool-info-section .container {
    max-width: 800px;
    margin: 0 auto;
}

.tool-info-section h2 {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.tool-info-section h3 {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--space-lg) 0 var(--space-md) 0;
}

.info-content {
    margin-bottom: var(--space-lg);
}

.info-content p {
    font-size: var(--font-md);
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

.info-content ul {
    padding-left: var(--space-lg);
    margin: 0;
}

.info-content li {
    font-size: var(--font-md);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xs);
}

/* Error Message */
.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--font-sm);
    margin-top: var(--space-md);
}

/* Hidden section */
.section-hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .image-comparison {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .comparison-item {
        max-width: 100%;
        width: 100%;
    }
    
    .comparison-arrow {
        transform: rotate(90deg);
    }
    
    .similar-tools-grid {
        grid-template-columns: 1fr;
    }
    
    .setting-row {
        flex-wrap: wrap;
    }
}