.tls-check-container,
.cidr-calculator-container,
.firewall-check-container,
.ip-info-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.input-group input {
    padding: 10px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    font-size: 16px;
    width: 100%;
}

.btn {
    padding: 10px 20px;
    background-color: #1971c2;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn:hover {
    background-color: #1864ab;
}

.result {
    background: #f8f9fa;
    padding: 15px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}