body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.card {
    border: none;
    border-radius: 15px;
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
}

.domain-result {
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.domain-result:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.domain-available {
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.domain-taken {
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.tld-checkboxes {
    max-height: 120px;
    overflow-y: auto;
    border: 1px solid #dee2e6;
    padding: 10px;
    border-radius: 5px;
}

.loading {
    display: none;
    text-align: center;
    padding: 20px;
}