/* Marble and Granite Visualizer Frontend Styles */

.mgv-frontend-container {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    background: #f8f9fa;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.mgv-frontend-header {
    text-align: center;
    margin-bottom: 30px;
}

.mgv-frontend-header h3 {
    color: #2c3e50;
    margin: 0 0 10px 0;
    font-size: 24px;
    font-weight: 600;
}

.mgv-frontend-header p {
    color: #7f8c8d;
    margin: 0;
    font-size: 16px;
}

/* Upload Section */
.mgv-frontend-upload {
    margin-bottom: 30px;
}

.mgv-frontend-upload-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

.mgv-frontend-upload-box {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
}

.mgv-frontend-upload-box label {
    display: block;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 16px;
}

.mgv-frontend-file-input {
    width: 100%;
    padding: 10px;
    border: 2px dashed #3498db;
    border-radius: 6px;
    background: #f8f9fa;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 15px;
}

.mgv-frontend-file-input:hover {
    border-color: #2980b9;
    background: #ecf0f1;
}

.mgv-frontend-preview {
    min-height: 120px;
    border: 1px solid #ddd;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    overflow: hidden;
}

.mgv-frontend-preview img {
    max-width: 100%;
    max-height: 120px;
    border-radius: 4px;
}

/* Canvas Section */
.mgv-frontend-canvas-section {
    margin-bottom: 30px;
}

.mgv-frontend-canvas-container {
    position: relative;
    border: 2px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 20px;
    background: #f5f5f5;
}

.mgv-frontend-canvas {
    display: block;
    max-width: 100%;
    height: auto;
    cursor: crosshair;
}

.mgv-frontend-canvas-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.mgv-frontend-instructions {
    background: rgba(0,0,0,0.8);
    padding: 20px;
    border-radius: 8px;
    max-width: 400px;
}

.mgv-frontend-instructions p {
    margin: 5px 0;
    font-size: 14px;
}

.mgv-frontend-instructions em {
    color: #ffd700;
    font-style: italic;
}

/* Controls */
.mgv-frontend-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.mgv-frontend-tool-controls {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.mgv-frontend-tool-info {
    display: flex;
    align-items: center;
}

.mgv-frontend-tool-hint {
    color: #666;
    font-size: 14px;
    font-style: italic;
    padding: 5px 10px;
    background: #f8f9fa;
    border-radius: 4px;
    border-left: 3px solid #3498db;
}

.mgv-frontend-action-buttons {
    display: flex;
    gap: 10px;
}

/* Result Section */
.mgv-frontend-result-section {
    text-align: center;
}

.mgv-frontend-result-section h4 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: 600;
}

.mgv-frontend-result-container {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.mgv-frontend-result-preview {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    margin-bottom: 20px;
}

.mgv-frontend-result-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* Loading */
.mgv-frontend-loading {
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.mgv-frontend-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

.mgv-frontend-loading p {
    color: #7f8c8d;
    margin: 0;
    font-size: 16px;
}

/* Buttons */
.mgv-frontend-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.mgv-frontend-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.mgv-frontend-btn-primary {
    background: #3498db;
    color: white;
}

.mgv-frontend-btn-primary:hover:not(:disabled) {
    background: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.mgv-frontend-btn-secondary {
    background: #ecf0f1;
    color: #2c3e50;
    border: 1px solid #bdc3c7;
}

.mgv-frontend-btn-secondary:hover:not(:disabled) {
    background: #d5dbdb;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .mgv-frontend-container {
        padding: 15px;
    }
    
    .mgv-frontend-upload-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .mgv-frontend-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .mgv-frontend-tool-controls {
        justify-content: center;
        flex-direction: column;
        gap: 10px;
    }
    
    .mgv-frontend-action-buttons {
        justify-content: center;
    }
    
    .mgv-frontend-result-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .mgv-frontend-btn {
        width: 100%;
        max-width: 200px;
    }
    
    .mgv-frontend-tool-hint {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .mgv-frontend-header h3 {
        font-size: 20px;
    }
    
    .mgv-frontend-header p {
        font-size: 14px;
    }
    
    .mgv-frontend-upload-box {
        padding: 15px;
    }
    
    .mgv-frontend-controls {
        padding: 15px;
    }
}