/* ==========================================================================
   Color Blind Simulator - Tool-Specific Styles
   
   IMPORTANT: The design system already provides:
   - All colors via CSS variables
   - Nav, hero, buttons, inputs, file upload zones
   - Section spacing and layout
   
   DO NOT:
   - Add background colors to .input-section or .output-section
   - Add borders to sections
   - Add padding to sections (use input-group for internal spacing)
   - Override design system colors
   ========================================================================== */

/* === COMPARISON AREA === */
.comparison-container {
    min-height: 400px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Empty state */
.preview-empty {
    text-align: center;
    color: var(--text-tertiary);
}

.preview-empty p {
    font-size: 14px;
}

/* Comparison Result Layout */
.comparison-result {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    width: 100%;
}

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

.comparison-side h4 {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.image-container {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-container img {
    max-width: 100%;
    max-height: 300px;
    width: auto;
    height: auto;
    border-radius: var(--radius-md);
}

/* === SEVERITY SLIDER === */
#severitySlider {
    width: 100%;
    margin-top: var(--space-xs);
}

/* === PRO FEATURES ROW === */
.pro-features {
    text-align: center;
}

.pro-features h4 {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 600;
}

.pro-feature-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

.pro-feature-buttons .button-secondary {
    flex: 1;
    max-width: 200px;
}

/* === ERROR STATES === */
.input-error {
    color: var(--color-error, #ef4444);
    font-size: 13px;
    margin-top: var(--space-xs);
}

.input-group.has-error .text-input,
.input-group.has-error .text-area,
.input-group.has-error .file-upload-zone {
    border-color: var(--color-error, #ef4444);
}

/* === LOADING STATES === */
.button-primary.is-loading .button-text {
    visibility: hidden;
}

.button-primary.is-loading .button-spinner {
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.button-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.button-primary {
    position: relative;
}

/* === BATCH PROCESSING MODAL === */
.batch-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.batch-modal.show {
    display: flex;
}

.batch-modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.batch-modal h3 {
    margin: 0 0 var(--space-lg) 0;
    color: var(--text-primary);
    text-align: center;
}

.batch-results {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.batch-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-default);
}

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

.batch-item-name {
    font-weight: 500;
    color: var(--text-primary);
}

.batch-item-status {
    font-size: 12px;
    color: var(--text-secondary);
}

.batch-item.processing .batch-item-status {
    color: var(--color-warning, #f59e0b);
}

.batch-item.completed .batch-item-status {
    color: var(--color-success, #10b981);
}

.batch-item.error .batch-item-status {
    color: var(--color-error, #ef4444);
}

.modal-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
    margin-top: var(--space-lg);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .comparison-result {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .pro-feature-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .pro-feature-buttons .button-secondary {
        max-width: 100%;
    }
    
    .comparison-container {
        min-height: 300px;
    }
    
    .image-container {
        min-height: 150px;
    }
    
    .image-container img {
        max-height: 200px;
    }
    
    .batch-modal-content {
        margin: var(--space-md);
        width: calc(100% - 2 * var(--space-md));
    }
    
    .modal-buttons {
        flex-direction: column;
    }
}