:root {
    --primary-color: #0966aa;
    --primary-hover: #074574;
    --secondary-color: #074574;
    --accent-color: #f59e0b;
    --bg-light: #f4f7f9;
    --card-border: #dbe4ea;
}

body {
    background-color: var(--bg-light);
    color: #1e293b;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-container {
    flex: 1;
}

.navbar-brand-badge {
    background-color: #dcfce7;
    color: #166534;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 9999px;
}

.card {
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    transition: box-shadow 0.2s ease-in-out;
}

.card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
}

.card-header {
    background-color: #ffffff;
    border-bottom: 1px solid var(--card-border);
    font-weight: 600;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.kpi-card {
    border-radius: 0.75rem;
    padding: 1.25rem;
    height: 100%;
}

.kpi-title {
    font-size: 0.825rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    color: #64748b;
    margin-bottom: 0.4rem;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
}

.kpi-sub {
    font-size: 0.8rem;
    color: #64748b;
    margin-top: 0.35rem;
}

.htmx-indicator {
    display: none;
}
.htmx-request .htmx-indicator {
    display: inline-block;
}
.htmx-request.htmx-indicator {
    display: inline-block;
}

.device-row {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
}