/* avatar-tester.css */
#avatar-tester-container {
    max-width: 800px;
    margin: 20px auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.avatar-tester-wrapper {
    background: #ffffff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #e1e5e9;
}

.avatar-tester-wrapper h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 2rem;
    font-weight: 600;
}

.upload-section {
    border: 3px dashed #cbd5e0;
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    margin-bottom: 25px;
    transition: all 0.3s ease;
    cursor: pointer;
    background: #f8f9fa;
    position: relative;
    min-height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.upload-section:hover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

.upload-section.dragover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    opacity: 0.7;
}

.upload-text {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 8px;
    font-weight: 500;
}

.upload-subtext {
    color: #718096;
    font-size: 0.9rem;
}

.button-section {
    text-align: center;
    margin-bottom: 20px;
}

.btn-primary, .btn-secondary {
    padding: 12px 25px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0 8px;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.btn-secondary:hover {
    background: #cbd5e0;
    transform: translateY(-1px);
}

.loading {
    text-align: center;
    padding: 20px;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

.message {
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
    font-weight: 500;
}

.message.error {
    background: #fed7d7;
    color: #c53030;
    border-left: 4px solid #e53e3e;
}

.message.success {
    background: #c6f6d5;
    color: #22543d;
    border-left: 4px solid #38a169;
}

.preview-section {
    margin-top: 30px;
}

.image-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-top: 20px;
}

.image-container {
    text-align: center;
}

.image-container h3 {
    margin-bottom: 15px;
    color: #2d3748;
    font-size: 1.1rem;
    font-weight: 600;
}

.image-container img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    object-fit: contain;
}

/* Responsive */
@media (max-width: 768px) {
    #avatar-tester-container {
        margin: 10px;
    }
    
    .avatar-tester-wrapper {
        padding: 20px;
    }
    
    .image-comparison {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .avatar-tester-wrapper h2 {
        font-size: 1.5rem;
    }
    
    .btn-primary, .btn-secondary {
        display: block;
        margin: 8px auto;
        width: 200px;
    }
}