/*body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}*/
.header {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
    border-radius: 0 0 1rem 1rem;
}
.card {
    border: none;
    border-radius: 0.8rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
    overflow: hidden;
}
.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
    padding: 0.8rem 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.CodeMirror {
    height: 400px;
    font-size: 14px;
    line-height: 1.5;
}
.btn-action {
    margin: 0 0.3rem;
    border-radius: 0.5rem;
    padding: 0.5rem 1rem;
}
.btn-convert {
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    border: none;
    padding: 0.8rem 2rem;
    font-weight: 600;
    margin: 1.5rem 0;
    border-radius: 0.8rem;
}
.instructions {
    background-color: #f0f4ff;
    border-left: 4px solid #2575fc;
}
.feature-icon {
    font-size: 1.2rem;
    color: #6a11cb;
    margin-right: 0.5rem;
}
.button-group {
    display: flex;
    gap: 0.5rem;
}
.btn-icon {
    padding: 0.25rem 0.5rem;
    font-size: 0.9rem;
}
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}