body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    background-color: white;
}
.dashboard-container {
    display: block;
    margin: 20px;
    max-width: 100%;
}
.agent-card {
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}
.agent-header {
    padding: 15px;
    background-color: #f1f8ff;
    border-bottom: 1px solid #e3e8ed;
}
.installation-row {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
}
.installation-row:last-child {
    border-bottom: none;
}
.btn-test {
    background-color: #28a745;
    color: white;
}
.btn-disable {
    background-color: #dc3545;
    color: white;
}
.btn-confirm {
    background-color: #007bff;
    color: white;
}
.add-installation-form {
    padding: 15px;
    background-color: #f9f9f9;
    border-top: 1px solid #eee;
}
.test-results {
    margin-top: 10px;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 5px;
    border: 1px solid #e3e8ed;
    max-height: 200px;
    overflow-y: auto;
}
.loading-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 0.2em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border .75s linear infinite;
}
@keyframes spinner-border {
    to { transform: rotate(360deg); }
}
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1050;
}
.main-content {
    margin-top: 20px;
}