.protocol-card {
    transition: transform 0.3s;
    margin-bottom: 1.5rem;
    /*height: 100%;*/
}

.protocol-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.protocol-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    margin-right: 1rem;
    font-size: 1.5rem;
}

.ssh-icon {
    background-color: #0d6efd;
    color: white;
}

.vnc-icon {
    background-color: #198754;
    color: white;
}

.rdp-icon {
    background-color: #6f42c1;
    color: white;
}

.telnet-icon {
    background-color: #fd7e14;
    color: white;
}

.nav-pills .nav-link.active {
    background-color: #0d6efd;
}

.step-box {
    background-color: #f8f9fa;
    border-left: 4px solid #0d6efd;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0.25rem;
}

.code-block {
    background-color: #282c34;
    color: #abb2bf;
    border-radius: 0.375rem;
    padding: 1rem;
    margin: 1rem 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
}

.security-box {
    background-color: #fff9e6;
    border-left: 4px solid #ffc107;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0.25rem;
}

.warning-box {
    background-color: #fde8e8;
    border-left: 4px solid #dc3545;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0.25rem;
}

.comparison-table th {
    background-color: #f8f9fa;
}

.tool-card {
    transition: transform 0.3s;
}

.tool-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.connection-diagram {
    background-color: #f0f8ff;
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin: 1.5rem 0;
}

.flow-step {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background-color: white;
    border-radius: 0.375rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.flow-number {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #0d6efd;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 1rem;
    flex-shrink: 0;
}