node-monitor/app/web/static/style.css

/* Nord Polar Night Palette */
:root {
    --nord0: #2E3440; /* Darkest background */
    --nord1: #3B4252; /* Dark background */
    --nord2: #434C5E; /* Medium background */
    --nord3: #4C566A; /* Light background */
    --nord4: #D8DEE9; /* Lightest text */
    --nord5: #E5E9F0; /* Light text */
    --nord6: #ECEFF4; /* Brightest text */
    --nord7: #8FBCBB; /* Teal accent */
    --nord8: #88C0D0; /* Cyan accent */
    --nord9: #81A1C1; /* Blue accent (unavailable) */
    --nord10: #5E81AC; /* Darker blue */
    --nord11: #BF616A; /* Red (critical/high latency) */
    --nord12: #D08770; /* Orange (warning/medium latency) */
    --nord13: #A3BE8C; /* Green (healthy/low latency) */
    --nord14: #B48EAD; /* Purple */
    --nord15: #D08770; /* Coral */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: var(--nord0);
    color: var(--nord4);
    padding: 20px;
    box-sizing: border-box;
}

.header-container {
    text-align: center;
    padding: 20px;
    background-color: var(--nord1);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
    width: 80vw;
    max-width: 1200px;
}

h1 {
    color: var(--nord6);
    margin-bottom: 10px;
}

p {
    font-size: 1rem;
    color: var(--nord5);
    margin: 5px 0;
}

code {
    background-color: var(--nord2);
    padding: 3px 8px;
    border-radius: 4px;
    font-family: "Courier New", Courier, monospace;
    font-size: 0.9rem;
    color: var(--nord6);
}

#node-grid-container, #log-table-container {
    width: 80vw;
    max-width: 1200px;
    min-width: 400px;
    padding: 20px;
    background-color: var(--nord3);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.connection-grid {
    display: grid;
    grid-template-columns: minmax(15%, 1fr) repeat(4, minmax(15%, 1fr));
    gap: 8px;
}

.grid-row {
    display: contents;
}

.grid-cell {
    border: 1px solid var(--nord2);
    border-radius: 6px;
    padding: 8px;
    text-align: center;
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.1s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: clamp(80px, 15vw, 120px);
}

.grid-cell:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.header-cell {
    background-color: var(--nord2);
    font-weight: bold;
    color: var(--nord6);
}

.empty-cell {
    background-color: transparent;
    border: none;
    box-shadow: none;
}

.node-uuid {
    font-weight: bold;
    margin-bottom: 5px;
    color: var(--nord6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.node-status-text, .conn-status-text {
    font-size: clamp(0.7rem, 1.2vw, 0.8rem);
    color: var(--nord5);
}

/* Health Status Colors */
.node-healthy {
    background-color: rgba(163, 190, 140, 0.2); /* --nord13 */
    border-color: var(--nord13);
}

.node-warning {
    background-color: rgba(208, 135, 112, 0.2); /* --nord12 */
    border-color: var(--nord12);
}

.node-critical {
    background-color: rgba(191, 97, 106, 0.2); /* --nord11 */
    border-color: var(--nord11);
}

.node-unknown {
    background-color: rgba(129, 161, 193, 0.2); /* --nord9 */
    border-color: var(--nord9);
}

/* Latency Colors */
.latency-low {
    background-color: rgba(163, 190, 140, 0.2); /* --nord13, green for <=200ms */
    border-color: var(--nord13);
}

.latency-medium {
    background-color: rgba(208, 135, 112, 0.2); /* --nord12, orange for <=1000ms */
    border-color: var(--nord12);
}

.latency-high {
    background-color: rgba(191, 97, 106, 0.2); /* --nord11, red for >1000ms */
    border-color: var(--nord11);
}

.latency-unavailable {
    background-color: rgba(129, 161, 193, 0.2); /* --nord9, blue for N/A */
    border-color: var(--nord9);
}

/* Tooltip styles */
.node-tooltip {
    visibility: hidden;
    opacity: 0;
    width: clamp(180px, 20vw, 220px);
    background-color: var(--nord1);
    color: var(--nord4);
    text-align: left;
    border-radius: 6px;
    padding: 10px;
    position: absolute;
    z-index: 1;
    bottom: 100%;
    left: 50%;
    margin-left: clamp(-90px, -10vw, -110px);
    transition: opacity 0.3s;
    font-size: clamp(0.7rem, 1.2vw, 0.8rem);
    white-space: normal;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.node-tooltip::after {
    content: " ";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--nord1) transparent transparent transparent;
}

.grid-cell:hover .node-tooltip {
    visibility: visible;
    opacity: 1;
}

.node-tooltip p {
    margin: 2px 0;
    color: var(--nord4);
}

/* Log Table Styles */
.log-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--nord2);
    border-radius: 6px;
    overflow: hidden;
}

.log-table th, .log-table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid var(--nord3);
    font-size: clamp(0.8rem, 1.2vw, 0.9rem);
}

.log-table th {
    background-color: var(--nord1);
    color: var(--nord6);
    cursor: pointer;
}

.log-table th.sortable:hover {
    background-color: var(--nord10);
}

.log-table tr:hover {
    background-color: var(--nord3);
}

.log-table .log-level {
    font-weight: bold;
}

.log-level-info {
    color: var(--nord13); /* Green */
}

.log-level-warning {
    color: var(--nord12); /* Orange */
}

.log-level-error {
    color: var(--nord11); /* Red */
}

.json-toggle {
    color: var(--nord8);
    cursor: pointer;
    text-decoration: underline;
}

.json-content {
    background-color: var(--nord1);
    padding: 8px;
    border-radius: 4px;
    font-family: "Courier New", Courier, monospace;
    font-size: 0.8rem;
    color: var(--nord5);
    margin-top: 5px;
    white-space: pre-wrap;
}