body {
    background-color: #f8f9fa;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.card {
    border-radius: 1rem;
}

.border-dashed {
    border-style: dashed !important;
}

#dropZone {
    transition: all 0.3s ease;
    cursor: pointer;
}

#dropZone:hover {
    border-color: #0d6efd !important;
    background-color: #f0f7ff !important;
}

.btn-primary {
    background-color: #0d6efd;
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.form-select, .form-control {
    border-radius: 0.5rem;
    padding: 0.75rem;
}

.progress {
    border-radius: 1rem;
    background-color: #e9ecef;
}

.alert {
    border-radius: 0.75rem;
    border: none;
}