/* supplychain.observer — orbital logistics observatory */

:root {
    --bg-orbital: #0d1b2a;
    --surface-panel: #1b2838;
    --border-slate: #2a3a5c;
    --border-deep: #1e2d4a;
    --text-primary: #d4dde8;
    --text-secondary: #6b7c99;
    --accent-green: #00e676;
    --accent-amber: #ffd740;
    --accent-coral: #ff5252;
    --flow-cyan: #00bcd4;
    --deep-gradient-a: #0d1b2a;
    --deep-gradient-b: #1b2838;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    width: 100%;
    background: var(--bg-orbital);
    color: var(--text-primary);
    font-family: 'Source Sans 3', system-ui, sans-serif;
    font-size: 15px;
    line-height: 24px;
    font-weight: 400;
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(ellipse at 50% 120%, rgba(0, 188, 212, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 20% -10%, rgba(42, 58, 92, 0.4) 0%, transparent 60%),
        var(--bg-orbital);
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---------- Boot overlay ---------- */
.boot-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-orbital);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    transition: opacity 600ms ease, visibility 600ms ease;
}

.boot-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.boot-text {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    line-height: 18px;
    letter-spacing: 0.12em;
    color: var(--flow-cyan);
}

.boot-bar {
    width: 240px;
    height: 2px;
    background: var(--border-deep);
    overflow: hidden;
}

.boot-bar-fill {
    width: 0%;
    height: 100%;
    background: var(--flow-cyan);
    box-shadow: 0 0 8px var(--flow-cyan);
    animation: bootfill 1800ms ease-out forwards;
}

@keyframes bootfill {
    from { width: 0%; }
    to { width: 100%; }
}

@keyframes bootdots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

.boot-dots::after {
    content: '...';
    animation: bootdots 1.4s steps(4, end) infinite;
}

/* ---------- Top bar ---------- */
.topbar {
    position: relative;
    height: 48px;
    width: 100%;
    background: linear-gradient(90deg, var(--deep-gradient-a) 0%, var(--deep-gradient-b) 100%);
    border-bottom: 1px solid var(--border-slate);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 32px;
    z-index: 10;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 700ms ease 1300ms, transform 700ms ease 1300ms;
}

.topbar.in {
    opacity: 1;
    transform: translateY(0);
}

.radar-sweep-bar {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(0, 188, 212, 0.12) 50%, transparent 100%);
    transform: translateX(-100%);
    animation: barsweep 8s linear infinite;
    pointer-events: none;
}

@keyframes barsweep {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.topbar-left, .topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 1;
}

.brand-mark {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.18em;
    color: var(--text-primary);
}

.brand-coord {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 0.06em;
}

.topbar-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    z-index: 1;
}

.nav-link {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    line-height: 18px;
    letter-spacing: 0.14em;
    color: var(--text-secondary);
    transition: color 180ms ease;
}

.nav-link:hover {
    color: var(--flow-cyan);
}

.nav-pipe {
    color: var(--border-slate);
    font-family: 'Space Mono', monospace;
    font-size: 11px;
}

.utc-label {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}

.utc-time {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    color: var(--text-primary);
    letter-spacing: 0.06em;
    min-width: 72px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
    animation: pulseDot 3s ease-in-out infinite;
}

.status-text {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--accent-green);
    letter-spacing: 0.12em;
}

/* ---------- Dashboard layout ---------- */
.dashboard {
    display: grid;
    grid-template-columns: 65fr 35fr;
    height: calc(100vh - 48px);
    min-height: 720px;
    width: 100%;
    gap: 0;
}

/* ---------- Viewport ---------- */
.viewport {
    position: relative;
    padding: 24px;
    background: var(--bg-orbital);
    overflow: hidden;
    opacity: 0;
    animation: fadeIn 800ms ease 200ms forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.viewport-frame {
    position: relative;
    width: 100%;
    height: 100%;
    border: 1px solid var(--border-slate);
    border-radius: 4px;
    background:
        linear-gradient(180deg, rgba(13, 27, 42, 0.95) 0%, rgba(27, 40, 56, 0.7) 100%);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.viewport-corner {
    position: absolute;
    width: 14px;
    height: 14px;
    border: 1px solid var(--flow-cyan);
    z-index: 5;
}

.viewport-corner.tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.viewport-corner.tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.viewport-corner.bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.viewport-corner.br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.viewport-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-deep);
    background: rgba(13, 27, 42, 0.6);
    z-index: 4;
}

.viewport-title {
    font-family: 'Exo 2', sans-serif;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.16em;
    color: var(--text-primary);
    text-transform: uppercase;
}

.viewport-meta {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 0.06em;
}

.viewport-canvas {
    position: relative;
    flex: 1;
    overflow: hidden;
}

.grid-texture {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(212, 221, 232, 0.12) 1px, transparent 1px);
    background-size: 32px 32px;
    background-position: 0 0;
    pointer-events: none;
    z-index: 1;
}

.radar-sweep {
    position: absolute;
    inset: -20%;
    background: conic-gradient(from 0deg at 50% 80%,
        transparent 0deg,
        rgba(0, 188, 212, 0.04) 30deg,
        rgba(0, 188, 212, 0.08) 45deg,
        rgba(0, 188, 212, 0.04) 60deg,
        transparent 90deg,
        transparent 360deg);
    animation: radarRotate 8s linear infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes radarRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.earth-horizon {
    position: absolute;
    bottom: -50%;
    left: -10%;
    right: -10%;
    height: 120%;
    border-radius: 50%;
    background: radial-gradient(ellipse at 50% 0%, rgba(0, 188, 212, 0.05) 0%, transparent 60%);
    border-top: 1px solid rgba(0, 188, 212, 0.15);
    pointer-events: none;
    z-index: 1;
}

.flow-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.flow-path {
    fill: none;
    stroke: var(--flow-cyan);
    stroke-opacity: 0.7;
    stroke-width: 2;
    stroke-linecap: round;
    filter: drop-shadow(0 0 6px rgba(0, 188, 212, 0.4));
    stroke-dasharray: 1500;
    stroke-dashoffset: 1500;
    animation: drawPath 1500ms ease-out forwards;
    cursor: pointer;
    transition: stroke-opacity 240ms ease, filter 240ms ease, stroke-width 240ms ease;
}

.flow-path:nth-child(1) { animation-delay: 250ms; }
.flow-path:nth-child(2) { animation-delay: 500ms; }
.flow-path:nth-child(3) { animation-delay: 750ms; }
.flow-path:nth-child(4) { animation-delay: 1000ms; }
.flow-path:nth-child(5) { animation-delay: 1250ms; }
.flow-path:nth-child(6) { animation-delay: 1500ms; }
.flow-path:nth-child(7) { animation-delay: 1750ms; }

@keyframes drawPath {
    to { stroke-dashoffset: 0; }
}

.flow-path.is-active,
.flow-path:hover {
    stroke-opacity: 1;
    stroke-width: 2.6;
    filter: drop-shadow(0 0 12px rgba(0, 188, 212, 0.7));
}

.flow-path.alert { stroke: var(--accent-coral); filter: drop-shadow(0 0 8px rgba(255, 82, 82, 0.5)); }
.flow-path.warn { stroke: var(--accent-amber); filter: drop-shadow(0 0 8px rgba(255, 215, 64, 0.5)); }

.node {
    fill: var(--surface-panel);
    stroke: var(--accent-green);
    stroke-width: 1.5;
    transition: r 180ms ease, stroke 180ms ease;
}

.node.factory { stroke: var(--accent-green); }
.node.port { stroke: var(--flow-cyan); }
.node.warehouse { stroke: var(--accent-amber); }
.node.retail { stroke: var(--text-primary); }

.node:hover { r: 8; }

.flow-particles circle {
    fill: var(--flow-cyan);
    filter: drop-shadow(0 0 4px var(--flow-cyan));
}

.viewport-legend {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(13, 27, 42, 0.85);
    border: 1px solid var(--border-deep);
    padding: 12px 16px;
    z-index: 5;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-radius: 2px;
}

.legend-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.legend-iso {
    width: 14px;
    height: 14px;
    transform: rotateX(55deg) rotateZ(45deg);
    border: 1px solid var(--accent-green);
    background: var(--surface-panel);
    flex-shrink: 0;
}

.legend-iso.factory { border-color: var(--accent-green); }
.legend-iso.port {
    border-color: var(--flow-cyan);
    border-radius: 0 0 50% 0;
}
.legend-iso.warehouse {
    border-color: var(--accent-amber);
    border-radius: 0;
}
.legend-iso.retail {
    border-color: var(--text-primary);
    transform: rotateX(55deg) rotateZ(45deg) rotate(0deg);
    width: 0;
    height: 0;
    background: transparent;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 12px solid var(--text-primary);
}

.legend-text {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    color: var(--text-secondary);
    letter-spacing: 0.12em;
}

.viewport-readout {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(13, 27, 42, 0.85);
    border: 1px solid var(--border-deep);
    padding: 12px 16px;
    z-index: 5;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 200px;
    border-radius: 2px;
}

.readout-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-family: 'Space Mono', monospace;
    font-size: 11px;
}

.readout-key {
    color: var(--text-secondary);
    letter-spacing: 0.12em;
}

.readout-val {
    color: var(--accent-green);
    letter-spacing: 0.06em;
    font-weight: 700;
}

.tooltip {
    position: absolute;
    background: var(--surface-panel);
    border: 1px solid var(--border-slate);
    padding: 12px 14px;
    z-index: 12;
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    line-height: 18px;
    color: var(--text-primary);
    pointer-events: none;
    min-width: 200px;
    border-radius: 2px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    transform: translate(-50%, calc(-100% - 12px));
}

.tt-route {
    color: var(--flow-cyan);
    letter-spacing: 0.1em;
    margin-bottom: 6px;
    font-weight: 700;
}

.tt-line {
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

.tt-line span:first-child {
    color: var(--text-secondary);
}

.viewport-footer {
    display: flex;
    gap: 24px;
    padding: 10px 16px;
    border-top: 1px solid var(--border-deep);
    background: rgba(13, 27, 42, 0.6);
    z-index: 4;
}

.footer-tag {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    color: var(--text-secondary);
    letter-spacing: 0.14em;
}

/* ---------- Sidebar ---------- */
.sidebar {
    position: relative;
    background: var(--surface-panel);
    border-left: 1px solid var(--border-slate);
    padding: 32px 24px 24px;
    overflow-y: auto;
    transform: translateX(40px);
    opacity: 0;
    animation: slideInSidebar 600ms ease-out 800ms forwards;
}

@keyframes slideInSidebar {
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-track { background: var(--bg-orbital); }
.sidebar::-webkit-scrollbar-thumb { background: var(--border-slate); border-radius: 0; }

.sidebar-header {
    margin-bottom: 32px;
}

.site-title {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 32px;
    line-height: 38px;
    letter-spacing: 0.12em;
    color: var(--text-primary);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.site-tag {
    font-family: 'Source Sans 3', sans-serif;
    font-size: 14px;
    line-height: 22px;
    color: var(--text-secondary);
    max-width: 360px;
}

.sidebar-section {
    margin-bottom: 32px;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 8px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-deep);
}

.section-label {
    font-family: 'Exo 2', sans-serif;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.16em;
    color: var(--text-primary);
    text-transform: uppercase;
}

.section-meta {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--accent-green);
    letter-spacing: 0.08em;
}

/* ---------- Data blocks ---------- */
.data-block {
    position: relative;
    padding: 16px 16px 16px 24px;
    border-bottom: 1px solid var(--border-deep);
    cursor: pointer;
    transition: background 200ms ease;
}

.data-block:hover {
    background: rgba(42, 58, 92, 0.18);
}

.data-block:first-of-type {
    border-top: 1px solid var(--border-deep);
}

.indicator {
    position: absolute;
    left: 0;
    top: 22px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 6px var(--accent-green);
}

.status-green .indicator { background: var(--accent-green); box-shadow: 0 0 6px var(--accent-green); }
.status-amber .indicator { background: var(--accent-amber); box-shadow: 0 0 6px var(--accent-amber); }
.status-red .indicator { background: var(--accent-coral); box-shadow: 0 0 6px var(--accent-coral); }

.indicator.pulse {
    animation: pulseDot 3s ease-in-out infinite;
}

.status-amber .indicator.pulse {
    animation-name: pulseDotAmber;
}

.status-red .indicator.pulse {
    animation-name: pulseDotRed;
}

@keyframes pulseDot {
    0%, 100% { transform: scale(1); box-shadow: 0 0 4px var(--accent-green); }
    50% { transform: scale(1.4); box-shadow: 0 0 14px var(--accent-green); }
}

@keyframes pulseDotAmber {
    0%, 100% { transform: scale(1); box-shadow: 0 0 4px var(--accent-amber); }
    50% { transform: scale(1.4); box-shadow: 0 0 14px var(--accent-amber); }
}

@keyframes pulseDotRed {
    0%, 100% { transform: scale(1); box-shadow: 0 0 4px var(--accent-coral); }
    50% { transform: scale(1.4); box-shadow: 0 0 18px var(--accent-coral); }
}

.block-summary {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.block-name {
    font-family: 'Exo 2', sans-serif;
    font-weight: 600;
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 0.06em;
    color: var(--text-primary);
}

.block-mini {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 0.08em;
}

.status-amber .block-mini { color: var(--accent-amber); }
.status-red .block-mini { color: var(--accent-coral); }
.status-green .block-mini { color: var(--accent-green); }

.block-detail {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 320ms ease, opacity 320ms ease, margin-top 320ms ease;
}

.data-block.open .block-detail {
    max-height: 320px;
    opacity: 1;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-deep);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 4px 0;
    gap: 16px;
}

.detail-key {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}

.detail-val {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    color: var(--text-primary);
    letter-spacing: 0.04em;
    text-align: right;
}

/* ---------- Node grid ---------- */
.node-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.node-card {
    background: rgba(13, 27, 42, 0.5);
    border: 1px solid var(--border-deep);
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    border-radius: 2px;
    transition: border-color 200ms ease, transform 200ms ease;
}

.node-card:hover {
    border-color: var(--flow-cyan);
    transform: translateY(-2px);
}

.iso {
    width: 48px;
    height: 48px;
    position: relative;
    transform-style: preserve-3d;
    transform: rotateX(55deg) rotateZ(45deg);
    flex-shrink: 0;
}

.iso.factory {
    background: var(--surface-panel);
    border: 1px solid var(--accent-green);
    box-shadow: inset 0 -10px 0 -2px rgba(0, 230, 118, 0.18);
}

.iso.factory::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -2px;
    right: 18px;
    height: 12px;
    background: var(--surface-panel);
    border: 1px solid var(--accent-green);
    border-bottom: 0;
}

.iso.factory::after {
    content: '';
    position: absolute;
    top: -10px;
    left: 22px;
    right: -2px;
    height: 12px;
    background: var(--surface-panel);
    border: 1px solid var(--accent-green);
    border-bottom: 0;
}

.iso.port {
    background: var(--surface-panel);
    border: 1px solid var(--flow-cyan);
}

.iso.port::before {
    content: '';
    position: absolute;
    top: -22px;
    left: 12px;
    width: 24px;
    height: 4px;
    background: var(--flow-cyan);
    transform: rotate(-12deg);
    transform-origin: 0 100%;
    box-shadow: 0 0 6px var(--flow-cyan);
}

.iso.port::after {
    content: '';
    position: absolute;
    top: -22px;
    left: 12px;
    width: 4px;
    height: 22px;
    background: var(--flow-cyan);
    box-shadow: 0 0 6px var(--flow-cyan);
}

.iso.warehouse {
    background: var(--surface-panel);
    border: 1px solid var(--accent-amber);
    box-shadow:
        inset 0 0 0 1px rgba(255, 215, 64, 0.1),
        inset 6px 0 0 -5px var(--accent-amber),
        inset 18px 0 0 -17px var(--accent-amber),
        inset 30px 0 0 -29px var(--accent-amber),
        inset 42px 0 0 -41px var(--accent-amber);
}

.iso.retail {
    width: 0;
    height: 0;
    background: transparent;
    border-left: 22px solid transparent;
    border-right: 22px solid transparent;
    border-bottom: 36px solid transparent;
    border-bottom-color: var(--surface-panel);
    box-sizing: content-box;
    position: relative;
    transform: rotateX(55deg) rotateZ(45deg);
}

.iso.retail::after {
    content: '';
    position: absolute;
    top: 0;
    left: -22px;
    width: 0;
    height: 0;
    border-left: 22px solid transparent;
    border-right: 22px solid transparent;
    border-bottom: 36px solid var(--text-primary);
    opacity: 0.3;
    transform: scale(1.04);
}

.node-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: center;
}

.node-name {
    font-family: 'Exo 2', sans-serif;
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--text-primary);
}

.node-stat {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
}

/* ---------- Log list ---------- */
.log-list {
    display: flex;
    flex-direction: column;
}

.log-item {
    display: grid;
    grid-template-columns: 80px 80px 1fr;
    gap: 12px;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-deep);
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    line-height: 18px;
}

.log-time {
    color: var(--text-secondary);
    letter-spacing: 0.06em;
}

.log-tag {
    text-align: center;
    padding: 2px 6px;
    border: 1px solid;
    letter-spacing: 0.1em;
    font-size: 10px;
}

.log-tag.green { color: var(--accent-green); border-color: var(--accent-green); }
.log-tag.amber { color: var(--accent-amber); border-color: var(--accent-amber); }
.log-tag.red { color: var(--accent-coral); border-color: var(--accent-coral); }

.log-msg {
    color: var(--text-primary);
    font-family: 'Source Sans 3', sans-serif;
    font-size: 13px;
}

/* ---------- Archive ---------- */
.archive-blurb {
    font-family: 'Source Sans 3', sans-serif;
    font-size: 14px;
    line-height: 22px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.archive-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--border-deep);
}

.sidebar-footer {
    display: flex;
    justify-content: space-between;
    padding-top: 16px;
    margin-top: 16px;
    border-top: 1px solid var(--border-deep);
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    color: var(--text-secondary);
    letter-spacing: 0.14em;
}

/* ---------- Responsive collapse ---------- */
@media (max-width: 960px) {
    .dashboard {
        grid-template-columns: 1fr;
        height: auto;
        min-height: auto;
    }

    .viewport {
        height: 40vh;
        min-height: 360px;
    }

    .sidebar {
        border-left: 0;
        border-top: 1px solid var(--border-slate);
        max-height: none;
    }

    .topbar {
        flex-wrap: wrap;
        height: auto;
        gap: 12px;
        padding: 8px 16px;
    }

    .topbar-nav {
        order: 3;
        width: 100%;
        flex-wrap: wrap;
    }

    .viewport-readout, .viewport-legend {
        position: static;
        margin: 8px;
    }

    .viewport-readout {
        align-self: flex-end;
    }
}

@media (max-width: 640px) {
    .site-title { font-size: 26px; line-height: 32px; }
    .node-grid { grid-template-columns: 1fr; }
    .log-item { grid-template-columns: 70px 70px 1fr; }
    .topbar-nav { gap: 8px; }
    .nav-link { font-size: 10px; }
}