* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0d1117;
    color: #e6edf3;
}

header {
    border-bottom: 1px solid #30363d;
    background: #161b22;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    margin: 0;
    font-size: 28px;
}

.subtitle {
    margin: 6px 0 0;
    color: #8b949e;
}

.summary {
    color: #8b949e;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
}

.section-title {
    margin-bottom: 16px;
    color: #8b949e;
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 1px;
}

.host-card {
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 10px;
    padding: 22px;
    margin-bottom: 16px;
}

.host-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.hostname {
    font-size: 20px;
    font-weight: bold;
}

.os {
    margin-top: 5px;
    color: #8b949e;
}

.status {
    font-weight: bold;
}

.status-online {
    color: #3fb950;
}

.status-offline {
    color: #f85149;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.metric-label {
    margin-bottom: 7px;
    color: #8b949e;
    font-size: 12px;
    font-weight: bold;
}

.metric-value {
    font-size: 22px;
}

.no-hosts {
    padding: 40px;
    text-align: center;
    background: #161b22;
    border: 1px solid #30363d;
    border-radius: 10px;
    color: #8b949e;
}

@media (max-width: 700px) {
    .header-content {
        align-items: flex-start;
        flex-direction: column;
        gap: 16px;
    }

    .metrics {
        grid-template-columns: 1fr;
    }
}

.hostname a {
    color: inherit;
    text-decoration: none;
}

.hostname a:hover {
    text-decoration: underline;
}

/* Utilization bars */

.utilization {
    margin-top: 10px;
}

.progress {
    width: 100%;
    height: 8px;
    background: #30363d;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: 4px;
}

.progress-normal {
    background: #3fb950;
}

.progress-warning {
    background: #d29922;
}

.progress-critical {
    background: #f85149;
}

.utilization-critical {
    color: #f85149;
}

.utilization-warning {
    color: #d29922;
}


.next-update {
    margin-left: 12px;
    color: #8b949e;
    font-size: 13px;
}

.history-controls {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.metric-history {
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid #30363d;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.history-title {
    color: #8b949e;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.chart-container {
    position: relative;
    width: 100%;
    height: 320px;
}

.chart-container canvas {
    width: 100% !important;
    height: 100% !important;
}

@media (max-width: 700px) {
    .history-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

.load-average-grid {
    display: flex;
    gap: 18px;
    align-items: center;
}

.load-average-grid div {
    display: flex;
    flex-direction: column;
}

.load-average-grid span {
    color: #8b949e;
    font-size: 11px;
    margin-bottom: 3px;
}

.load-average-grid strong {
    font-size: 18px;
    font-weight: 500;
}


.cpu-cores {
    margin-top: 22px;
}

.cpu-core-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 12px;
    margin-top: 8px;
}

.cpu-core-item {
    padding: 10px 12px;
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 6px;
}

.cpu-core-item span {
    display: block;
    margin-bottom: 4px;
    color: #8b949e;
    font-size: 11px;
}

.cpu-core-item strong {
    font-size: 16px;
}

.range-button {
    padding: 7px 12px;
    border: 1px solid #30363d;
    border-radius: 6px;
    background: #161b22;
    color: #8b949e;
    cursor: pointer;
}

.range-button:hover {
    color: #e6edf3;
    border-color: #58a6ff;
}

.range-button.active {
    background: #238636;
    color: white;
    border-color: #238636;
}

/* Network */

.primary-interface {
    margin-top: 8px;
    padding: 20px;
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 8px;
}

.primary-interface-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.interface-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 600;
}

.primary-badge {
    display: inline-block;
    padding: 3px 8px;
    background: #1f6feb;
    border-radius: 12px;
    color: #ffffff;
    font-size: 11px;
    font-weight: 600;
}

.interface-ip {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.interface-ip-label {
    color: #8b949e;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.network-address-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    margin-top: 20px;
}

.network-traffic-row {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.network-metric-value {
    font-size: 18px;
    font-weight: 500;
    overflow-wrap: anywhere;
}

.interface-ip-value {
    color: #e6edf3;
    font-size: 14px;
}

/* Primary interface metric rows */

.primary-interface .metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 32px;
    row-gap: 24px;
}

.primary-interface .metric-value {
    margin-top: 3px;
}

.network-secondary-metrics {
    margin-top: 24px;
    padding-top: 0;
    border-top: none;
}

.network-small-value {
    font-size: 18px;
    overflow-wrap: anywhere;
}

.primary-interface .metric-value,
.secondary-interface-details .metric-value {
    font-size: 18px;
}

/* Other interfaces heading */

.secondary-network-title {
    margin-top: 32px;
    padding: 18px 4px 10px;
    border-bottom: 1px solid #30363d;

    color: #8b949e;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}


/* Other interfaces list */

.secondary-interfaces {
    width: 100%;
}

.secondary-interface {
    border-bottom: 1px solid #30363d;
}

.secondary-interface summary {
    display: flex;
    align-items: center;
    gap: 10px;

    min-height: 48px;
    padding: 0 8px;

    cursor: pointer;
    list-style: none;
}

.secondary-interface summary::-webkit-details-marker {
    display: none;
}

.secondary-interface summary::before {
    content: "›";

    width: 12px;

    color: #8b949e;
    font-size: 20px;
    line-height: 1;

    transition: transform 0.15s ease;
}

.secondary-interface[open] summary::before {
    transform: rotate(90deg);
}

.secondary-interface-name {
    flex: 1;
    font-size: 15px;
    font-weight: 600;
}


/* Expanded secondary interface */

.secondary-interface[open] {
    margin: 6px 0;
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 8px;
}

.secondary-interface[open] summary {
    border-bottom: 1px solid #30363d;
}

.secondary-interface-details {
    padding: 20px 30px 24px;
}

.secondary-interface-details .metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 32px;
    row-gap: 24px;
}

.secondary-interface-details .metric-value {
    margin-top: 3px;
}


/* Mobile */

@media (max-width: 700px) {

    .primary-interface .metrics,
    .secondary-interface-details .metrics {
        grid-template-columns: 1fr;
    }

    .primary-interface-header {
        align-items: flex-start;
    }

    .secondary-interface-details {
        padding: 18px;
    }
}

/* Dashboard host overview */

.dashboard-host-card {
    padding: 22px 24px;
    transition:
        border-color 0.15s ease,
        transform 0.15s ease;
}

.dashboard-host-card:hover {
    border-color: #484f58;
}

.dashboard-host-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 24px;
}

.dashboard-host-identity {
    min-width: 0;
}

.dashboard-host-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.host-live-state {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.next-update {
    margin-left: 0;
    color: #8b949e;
    font-size: 11px;
}

.dashboard-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.dashboard-metric {
    padding: 14px 16px;
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 7px;
}

.delete-host-button {
    padding: 7px 11px;
    border: 1px solid #6e3630;
    border-radius: 6px;
    background: transparent;
    color: #f85149;
    font-size: 12px;
    cursor: pointer;
}

.delete-host-button:hover {
    background: #3d1f1f;
    border-color: #f85149;
}

.dashboard-summary {
    display: flex;
    align-items: center;
    gap: 6px;
}

.summary-separator {
    margin: 0 4px;
    color: #484f58;
}

@media (max-width: 700px) {
    .dashboard-host-header {
        flex-direction: column;
    }

    .dashboard-host-actions {
        width: 100%;
        justify-content: space-between;
    }

    .host-live-state {
        align-items: flex-start;
    }

    .dashboard-metrics {
        grid-template-columns: 1fr;
    }
}