:root {
    --primary-color: #4f46e5;
    --bg-body: #f8fafc;
}

body {
    background-color: var(--bg-body);
    font-family: 'Inter', system-ui, sans-serif;
    color: #334155;
}

.upload-zone {
    border: 2px dashed #e2e8f0;
    border-radius: 2rem;
    background: #ffffff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.upload-zone:hover, .upload-zone-active {
    border-color: var(--primary-color);
    background: #fdfdff;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.icon-circle {
    width: 80px;
    height: 80px;
    background: #f1f5f9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    transition: all 0.3s ease;
}

.upload-zone:hover .icon-circle {
    background: #eef2ff;
    color: var(--primary-color);
}

.privacy-badge {
    font-size: 0.85rem;
    font-weight: 600;
    color: #059669;
    background: #d1fae5;
    padding: 8px 20px;
    border-radius: 100px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

#mainPreview {
    max-height: 450px;
    width: auto;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

.card {
    border-radius: 1.25rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border: none;
    font-weight: 600;
    padding: 0.8rem 1.5rem;
}

.form-select, .form-range {
    cursor: pointer;
}

/* Spinner visibility fix */
.spinner-border-sm {
    vertical-align: middle;
}