body {
    background-color: #fafafa;
    color: #1a1a1a;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 0.9rem;
    line-height: 1.5;
}

.container {
    max-width: 900px;
}

.card {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    box-shadow: none;
    margin-bottom: 2rem;
}

.card-header {
    background-color: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    padding: 1rem 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: #666;
}

.card-body {
    padding: 1.5rem;
}

.btn-primary {
    background-color: #000;
    border-color: #000;
    border-radius: 4px;
    padding: 0.5rem 1.25rem;
    font-weight: 600;
    font-size: 0.8rem;
}

.btn-primary:hover {
    background-color: #333;
    border-color: #333;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-online {
    background-color: #e6f4ea;
    color: #1e8e3e;
}

.status-offline {
    background-color: #fce8e6;
    color: #d93025;
}

pre {
    background-color: #f1f1f1;
    padding: 1rem;
    border-radius: 4px;
    font-size: 0.8rem;
    color: #333;
}

.form-control {
    border-radius: 4px;
    border: 1px solid #e0e0e0;
    padding: 0.6rem;
}

.form-control:focus {
    border-color: #000;
    box-shadow: none;
}

h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-link {
    color: #666;
    font-weight: 500;
}

.nav-link.active {
    color: #000 !important;
    font-weight: 700;
}