:root {
  color-scheme: dark;
  --bg: #05090d;
  --panel: #0a1118;
  --line: #1b2a35;
  --line-bright: #29414e;
  --text: #eaf5f3;
  --muted: #7d9298;
  --cyan: #57e4d3;
  --green: #8df7bd;
  --amber: #ffc76a;
  --red: #ff6f7f;
  --mono: "SFMono-Regular", "Roboto Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(rgba(87, 228, 211, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(87, 228, 211, .025) 1px, transparent 1px),
    radial-gradient(circle at 74% -15%, rgba(36, 140, 142, .18), transparent 35%),
    var(--bg);
  background-size: 48px 48px, 48px 48px, auto, auto;
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.45;
}

a { color: inherit; text-decoration: none; }
.app-shell { min-height: 100vh; }
.rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 10;
  display: flex;
  width: 224px;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: rgba(5, 9, 13, .92);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 13px; min-height: 92px; padding: 0 22px; border-bottom: 1px solid var(--line); }
.brand b { display: block; font: 700 12px/1.2 var(--mono); letter-spacing: .12em; }
.brand small, .rail-foot small { display: block; margin-top: 5px; color: var(--muted); font: 500 8px/1.2 var(--mono); letter-spacing: .18em; }
.brand-mark { position: relative; display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid var(--cyan); border-radius: 50%; }
.brand-mark::before, .brand-mark::after { position: absolute; content: ""; background: var(--cyan); }
.brand-mark::before { width: 42px; height: 1px; }
.brand-mark::after { width: 1px; height: 42px; }
.brand-mark i { width: 8px; height: 8px; border: 2px solid var(--cyan); border-radius: 50%; box-shadow: 0 0 14px var(--cyan); }
.rail-nav { display: grid; gap: 4px; padding: 24px 14px; }
.rail-nav a { display: flex; gap: 15px; align-items: center; padding: 12px 10px; border-left: 2px solid transparent; color: var(--muted); font: 600 11px var(--mono); letter-spacing: .06em; }
.rail-nav a span { color: #40545c; font-size: 9px; }
.rail-nav a:hover, .rail-nav a.active { border-color: var(--cyan); background: linear-gradient(90deg, rgba(87, 228, 211, .09), transparent); color: var(--text); }
.rail-nav a.active span { color: var(--cyan); }
.rail-foot { display: flex; gap: 11px; align-items: center; margin-top: auto; padding: 20px 22px; border-top: 1px solid var(--line); }
.rail-foot b { display: block; font: 700 9px var(--mono); letter-spacing: .12em; }
.status-dot { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: var(--muted); }
.status-dot.online { background: var(--green); box-shadow: 0 0 13px rgba(141, 247, 189, .85); animation: breathe 2.4s ease-in-out infinite; }
.status-dot.warning { background: var(--amber); box-shadow: 0 0 13px rgba(255, 199, 106, .7); }
.status-dot.error { background: var(--red); box-shadow: 0 0 13px rgba(255, 111, 127, .7); }

main { width: calc(100% - 224px); margin-left: 224px; padding: 0 34px 24px; }
.topbar { display: flex; min-height: 92px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.topbar h1 { margin: 3px 0 0; font-size: clamp(18px, 2vw, 25px); font-weight: 590; letter-spacing: -.02em; }
.eyebrow, .section-label, .metric-kicker, .caption { color: var(--muted); font: 600 9px var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.freshness { display: flex; align-items: center; gap: 9px; color: var(--muted); font: 500 10px var(--mono); text-transform: uppercase; }
.freshness time { padding-left: 9px; border-left: 1px solid var(--line-bright); color: #b4c3c5; }

.hero { display: grid; min-height: 270px; grid-template-columns: minmax(350px, .9fr) minmax(420px, 1.1fr); align-items: stretch; border-bottom: 1px solid var(--line); }
.sync-state, .utc-clock { display: flex; align-items: center; }
.sync-state { gap: 34px; border-right: 1px solid var(--line); }
.sync-state h2 { margin: 7px 0 4px; color: var(--green); font: 500 clamp(42px, 5vw, 72px)/.95 var(--mono); letter-spacing: -.07em; text-shadow: 0 0 28px rgba(141, 247, 189, .15); }
.sync-state h2.warning { color: var(--amber); text-shadow: 0 0 28px rgba(255, 199, 106, .15); }
.sync-state h2.error { color: var(--red); text-shadow: 0 0 28px rgba(255, 111, 127, .15); }
.sync-state p { margin: 13px 0 0; color: #a8b9bc; font: 500 11px var(--mono); }
.sync-orbit { position: relative; width: 102px; height: 102px; flex: 0 0 auto; border: 1px solid rgba(87, 228, 211, .42); border-radius: 50%; box-shadow: inset 0 0 30px rgba(87, 228, 211, .05), 0 0 34px rgba(87, 228, 211, .04); }
.sync-orbit::before, .sync-orbit::after { position: absolute; inset: 11px; content: ""; border: 1px dashed rgba(87, 228, 211, .25); border-radius: 50%; }
.sync-orbit::after { inset: 39px; border-style: solid; background: var(--cyan); box-shadow: 0 0 24px rgba(87, 228, 211, .85); }
.sync-orbit span { position: absolute; inset: -6px; border-top: 2px solid var(--cyan); border-radius: 50%; animation: orbit 5s linear infinite; }
.sync-orbit i { position: absolute; top: -3px; left: 50%; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.utc-clock { display: block; align-self: center; padding-left: clamp(32px, 5vw, 72px); }
.clock-header { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.clock-view-options { display: flex; gap: 8px; }
.clock-view-options button, .clock-view-toggle, .clock-mode-toggle { appearance: none; padding: 0; border: 0; background: none; color: inherit; font: inherit; }
.clock-view-options button { color: var(--muted); font: 600 8px var(--mono); letter-spacing: .1em; cursor: pointer; }
.clock-view-options button[aria-pressed="true"], .clock-view-options button:hover { color: var(--cyan); }
.clock-view-toggle { display: block; width: 100%; margin-top: 11px; text-align: left; cursor: pointer; }
.clock-view-options button:focus-visible, .clock-view-toggle:focus-visible, .clock-mode-toggle:focus-visible { outline: 1px solid var(--cyan); outline-offset: 8px; }
.clock-view-toggle > time { display: block; font: 400 clamp(44px, 7vw, 94px)/1 var(--mono); letter-spacing: -.075em; font-variant-numeric: tabular-nums; white-space: nowrap; }
.clock-view-toggle > time small { color: var(--cyan); font-size: .36em; letter-spacing: -.04em; }
.clock-meta { display: flex; justify-content: space-between; margin-top: 15px; color: var(--muted); font: 600 10px var(--mono); letter-spacing: .15em; }
.clock-mode-toggle { color: var(--muted); letter-spacing: .15em; cursor: pointer; }
.clock-mode-toggle:hover { color: var(--cyan); }
.fullscreen-clock-status, .clock-exit-hint { display: none; }
body.clock-view-window, body.clock-view-fullscreen { overflow: hidden; }
.utc-clock.is-window, .utc-clock.is-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  width: 100vw;
  height: 100vh;
  min-height: 100vh;
  padding: clamp(24px, 5vmin, 72px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(rgba(87, 228, 211, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(87, 228, 211, .025) 1px, transparent 1px),
    radial-gradient(circle at 50% 30%, rgba(36, 140, 142, .18), transparent 45%),
    var(--bg);
  background-size: 48px 48px, 48px 48px, auto, auto;
}
.utc-clock:is(.is-window, .is-fullscreen) .fullscreen-clock-status { position: absolute; top: clamp(20px, 4vmin, 52px); left: clamp(20px, 4vmin, 52px); display: flex; align-items: center; gap: 10px; color: var(--muted); font: 600 clamp(8px, 1.1vmin, 12px) var(--mono); letter-spacing: .12em; }
.utc-clock:is(.is-window, .is-fullscreen) .fullscreen-clock-status span:last-child { padding-left: 10px; border-left: 1px solid var(--line-bright); }
.utc-clock:is(.is-window, .is-fullscreen) .clock-header { justify-content: center; }
.utc-clock:is(.is-window, .is-fullscreen) .clock-header > .section-label { font-size: clamp(9px, 1.4vmin, 15px); }
.utc-clock:is(.is-window, .is-fullscreen) .clock-view-options { position: absolute; top: clamp(20px, 4vmin, 52px); right: clamp(20px, 4vmin, 52px); }
.utc-clock:is(.is-window, .is-fullscreen) .clock-view-options button { font-size: clamp(8px, 1.1vmin, 12px); }
.utc-clock:is(.is-window, .is-fullscreen) .clock-view-toggle { width: auto; margin-top: clamp(18px, 3vmin, 38px); text-align: center; }
.utc-clock:is(.is-window, .is-fullscreen) .clock-view-toggle > time { font-size: min(16.5vw, 31vh); line-height: .9; }
.utc-clock:is(.is-window, .is-fullscreen) .clock-meta { width: min(88vw, 1180px); margin-top: clamp(22px, 4vmin, 52px); font-size: clamp(11px, 1.8vmin, 20px); }
.utc-clock:is(.is-window, .is-fullscreen) .clock-mode-toggle { color: var(--cyan); }
.utc-clock:is(.is-window, .is-fullscreen) .clock-exit-hint { position: absolute; bottom: clamp(20px, 4vmin, 52px); display: block; width: calc(100% - 40px); color: var(--muted); font: 600 clamp(8px, 1vmin, 11px) var(--mono); letter-spacing: .16em; text-align: center; }

.pill { display: inline-flex; align-items: center; min-height: 20px; padding: 0 8px; border: 1px solid var(--line-bright); font: 700 8px var(--mono); letter-spacing: .12em; }
.pill.good { border-color: rgba(141, 247, 189, .28); background: rgba(141, 247, 189, .07); color: var(--green); }
.pill.warning { border-color: rgba(255, 199, 106, .3); background: rgba(255, 199, 106, .07); color: var(--amber); }
.pill.error { border-color: rgba(255, 111, 127, .3); background: rgba(255, 111, 127, .07); color: var(--red); }
.pill.unknown { border-color: rgba(125, 146, 152, .3); background: rgba(125, 146, 152, .07); color: var(--muted); }
.metric-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.metric { position: relative; min-height: 168px; padding: 28px 26px; border-right: 1px solid var(--line); background: linear-gradient(150deg, rgba(13, 23, 32, .54), rgba(5, 9, 13, .12)); }
.metric:last-child { border-right: 0; }
.metric.primary::before { position: absolute; inset: 0 auto 0 0; width: 2px; content: ""; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.metric strong { display: block; margin-top: 18px; font: 500 clamp(28px, 3vw, 43px)/1 var(--mono); letter-spacing: -.045em; font-variant-numeric: tabular-nums; }
.metric strong small { color: var(--cyan); font-size: .4em; letter-spacing: 0; }
.metric p { margin: 11px 0 0; color: var(--muted); font-size: 10px; }
.micro-bar { height: 2px; margin-top: 18px; background: var(--line); }
.micro-bar i { display: block; height: 100%; background: var(--cyan); box-shadow: 0 0 9px var(--cyan); }

.section-block { padding: 36px 0 6px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; margin-bottom: 19px; }
.section-heading h2 { margin: 5px 0 0; font-size: 20px; font-weight: 560; }
.health-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.health-card { position: relative; min-height: 232px; padding: 20px; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(13, 23, 32, .86), rgba(7, 13, 18, .76)); overflow: hidden; }
.health-card::before { position: absolute; inset: 0 auto auto 0; width: 38px; height: 1px; content: ""; background: var(--green); box-shadow: 0 0 10px var(--green); }
.health-card.warning::before { background: var(--amber); box-shadow: 0 0 10px var(--amber); }
.health-card.error::before { background: var(--red); box-shadow: 0 0 10px var(--red); }
.health-card.unknown::before { background: var(--muted); box-shadow: none; }
.health-head { display: flex; justify-content: space-between; align-items: start; }
.health-icon { display: grid; width: 36px; height: 36px; place-items: center; border: 1px solid var(--line-bright); color: var(--cyan); font: 700 10px var(--mono); letter-spacing: .05em; }
.health-icon.pulse { border-radius: 50%; }
.health-card h3 { margin: 22px 0 5px; color: var(--muted); font: 600 10px var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.health-card > strong { font: 500 22px var(--mono); letter-spacing: -.03em; }
.health-card > p { min-height: 30px; margin: 7px 0 20px; color: var(--muted); font-size: 10px; }
.health-card dl { margin: 0; border-top: 1px solid var(--line); }
.health-card dl div { display: flex; justify-content: space-between; padding: 8px 0 0; }
.health-card dt, .health-card dd { margin: 0; font: 500 9px var(--mono); }
.health-card dt { color: var(--muted); }
.health-card dd { color: #c6d4d4; }

.legend { display: flex; gap: 16px; color: var(--muted); font: 500 9px var(--mono); }
.legend span { display: flex; align-items: center; gap: 6px; }
.legend i { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }
.legend i.good { background: var(--green); }
.legend i.muted { background: #495b62; }
.source-table-wrap { border: 1px solid var(--line); overflow-x: auto; background: rgba(8, 14, 19, .75); }
.source-table { width: 100%; min-width: 900px; border-collapse: collapse; font: 500 10px var(--mono); font-variant-numeric: tabular-nums; }
.source-table th { padding: 14px 16px; border-bottom: 1px solid var(--line-bright); color: var(--muted); font-size: 8px; letter-spacing: .11em; text-align: left; text-transform: uppercase; }
.source-table td { padding: 15px 16px; border-bottom: 1px solid var(--line); color: #b6c5c7; }
.source-table tr:last-child td { border-bottom: 0; }
.source-table tr.selected { background: linear-gradient(90deg, rgba(141, 247, 189, .07), transparent 55%); }
.source-table tr.selected td:first-child { box-shadow: inset 2px 0 var(--green); }
.source-table .number { text-align: right; }
.muted-row td { color: #73878d; }
.source-state { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); }
.source-state::before { width: 6px; height: 6px; content: ""; border-radius: 50%; background: currentColor; }
.source-state.selected { color: var(--green); }
.source-state.ready { color: var(--cyan); }
.source-state.unknown { color: #65777e; }
.source-state.warning { color: var(--amber); }
.source-state.error { color: var(--red); }
.empty-cell { color: var(--muted) !important; text-align: center; }

.gnss-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)) 1.8fr; margin-bottom: 12px; border: 1px solid var(--line); background: rgba(8, 14, 19, .75); }
.gnss-summary > div, .gnss-summary > p { min-height: 72px; margin: 0; padding: 15px; border-right: 1px solid var(--line); }
.gnss-summary > div:last-of-type { border-right: 1px solid var(--line); }
.gnss-summary span { display: block; color: var(--muted); font: 600 8px var(--mono); letter-spacing: .11em; text-transform: uppercase; }
.gnss-summary strong { display: block; margin-top: 9px; color: #c7d7d8; font: 500 15px var(--mono); font-variant-numeric: tabular-nums; }
.gnss-summary p { display: flex; align-items: center; color: var(--muted); font: 500 10px var(--mono); }
.sky-layout { display: grid; grid-template-columns: minmax(250px, .52fr) minmax(0, 1fr); gap: 12px; }
.sky-plot-wrap { display: grid; place-items: center; min-height: 360px; border: 1px solid var(--line); background: radial-gradient(circle, rgba(87, 228, 211, .08), transparent 66%), rgba(8, 14, 19, .75); }
.sky-plot { width: min(300px, 100%); height: auto; overflow: visible; }
.sky-plot .ring { fill: none; stroke: var(--line-bright); stroke-width: 1; }
.sky-plot .axis { stroke: var(--line); stroke-width: 1; }
.sky-plot .label { fill: var(--muted); font: 700 10px var(--mono); letter-spacing: .08em; }
.sky-plot .satellite { fill: var(--cyan); stroke: var(--bg); stroke-width: 2; }
.sky-plot .satellite.used { fill: var(--green); }
.sky-plot .satellite.unhealthy { fill: var(--red); }
.sky-plot .satellite-label { fill: var(--text); font: 700 9px var(--mono); }
.sky-plot-wrap > p { margin: -8px 0 18px; color: var(--muted); font: 500 8px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.gnss-table { min-width: 650px; }
.gnss-use { color: var(--muted); }
.gnss-use.used { color: var(--green); }
.gnss-health.ok { color: var(--green); }
.gnss-health.unhealthy { color: var(--red); }
.gnss-health.unknown { color: var(--muted); }

.operations-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); background: rgba(8, 14, 19, .75); }
.operations-grid article { min-height: 92px; padding: 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.operations-grid article:nth-child(4n) { border-right: 0; }
.operations-grid article:nth-last-child(-n+4) { border-bottom: 0; }
.operations-grid span { display: block; color: var(--muted); font: 600 8px var(--mono); letter-spacing: .11em; text-transform: uppercase; }
.operations-grid strong { display: block; margin-top: 12px; color: #c7d7d8; font: 500 13px var(--mono); font-variant-numeric: tabular-nums; }

.alarm-panel { display: grid; grid-template-columns: 220px 1fr; gap: 24px; margin-top: 36px; padding: 22px; border: 1px solid var(--line); background: rgba(8, 14, 19, .8); }
.alarm-panel h2 { margin: 5px 0 0; font-size: 18px; font-weight: 560; }
#alarm-list { display: grid; gap: 7px; }
.alarm-item { display: grid; grid-template-columns: 74px 90px 1fr; gap: 12px; align-items: center; min-height: 34px; padding: 7px 10px; border-left: 2px solid var(--amber); background: rgba(255, 199, 106, .05); font: 500 9px var(--mono); }
.alarm-item.critical { border-color: var(--red); background: rgba(255, 111, 127, .05); }
.alarm-item .severity { color: var(--amber); font-weight: 700; letter-spacing: .1em; }
.alarm-item.critical .severity { color: var(--red); }
.alarm-item .component { color: var(--muted); text-transform: uppercase; }
.alarm-item .message { color: #bac9ca; }
.no-alarms { margin: 0; padding: 9px 0; color: var(--green); font: 500 10px var(--mono); }

.reference-links { display: flex; gap: 18px; margin-top: 24px; }
.reference-links a { color: var(--muted); font: 500 9px var(--mono); border-bottom: 1px solid var(--line-bright); }
.reference-links a:hover { color: var(--cyan); border-color: var(--cyan); }
.noscript { margin: 0; padding: 12px; background: var(--red); color: #160408; text-align: center; font: 700 11px var(--mono); }

footer { display: flex; justify-content: space-between; margin-top: 40px; padding: 20px 0 4px; border-top: 1px solid var(--line); color: #4f6269; font: 600 8px var(--mono); letter-spacing: .14em; }

@keyframes orbit { to { transform: rotate(360deg); } }
@keyframes breathe { 50% { opacity: .45; box-shadow: 0 0 5px rgba(141, 247, 189, .35); } }

@media (max-width: 1180px) {
  .rail { width: 82px; }
  .brand { justify-content: center; padding: 0; }
  .brand > span:last-child { display: none; }
  .rail-nav a { justify-content: center; gap: 0; font-size: 0; }
  .rail-nav a span { font-size: 9px; }
  .rail-foot div { display: none; }
  .rail-foot { justify-content: center; }
  main { width: calc(100% - 82px); margin-left: 82px; }
  .hero { grid-template-columns: 1fr 1.2fr; }
  .sync-orbit { width: 76px; height: 76px; }
  .sync-state { gap: 20px; }
  .health-grid { grid-template-columns: repeat(2, 1fr); }
  .gnss-summary { grid-template-columns: repeat(4, 1fr); }
  .gnss-summary > p { grid-column: 1 / -1; min-height: 46px; border-top: 1px solid var(--line); border-right: 0; }
  .operations-grid { grid-template-columns: repeat(2, 1fr); }
  .operations-grid article:nth-child(4n) { border-right: 1px solid var(--line); }
  .operations-grid article:nth-child(2n) { border-right: 0; }
  .operations-grid article:nth-last-child(-n+4) { border-bottom: 1px solid var(--line); }
  .operations-grid article:nth-last-child(-n+2) { border-bottom: 0; }
}

@media (max-width: 800px) {
  .rail { position: static; width: auto; height: 68px; flex-direction: row; border-right: 0; border-bottom: 1px solid var(--line); }
  .brand { width: 74px; min-height: 68px; border: 0; border-right: 1px solid var(--line); }
  .brand-mark { width: 28px; height: 28px; }
  .rail-nav { display: flex; padding: 8px; }
  .rail-nav a { min-width: 55px; border-left: 0; border-bottom: 2px solid transparent; }
  .rail-foot { margin: 0 14px 0 auto; border: 0; padding: 0; }
  main { width: auto; margin: 0; padding: 0 18px 22px; }
  .topbar { min-height: 76px; }
  .freshness span:not(.status-dot) { display: none; }
  .hero { grid-template-columns: 1fr; }
  .sync-state { min-height: 190px; border-right: 0; border-bottom: 1px solid var(--line); }
  .utc-clock { min-height: 180px; padding-left: 0; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .sky-layout { grid-template-columns: 1fr; }
  .metric:nth-child(2) { border-right: 0; }
  .metric { border-bottom: 1px solid var(--line); }
  .metric-grid .metric:nth-last-child(-n+2) { border-bottom: 0; }
}

@media (max-width: 520px) {
  .topbar h1 { font-size: 17px; }
  .sync-state { gap: 16px; }
  .sync-orbit { width: 64px; height: 64px; }
  .sync-orbit::after { inset: 25px; }
  .sync-state h2 { font-size: 42px; }
  .metric-grid, .health-grid { grid-template-columns: 1fr; }
  .gnss-summary { grid-template-columns: repeat(2, 1fr); }
  .gnss-summary > div:nth-child(2n) { border-right: 0; }
  .gnss-summary > p { grid-column: 1 / -1; }
  .metric, .metric:nth-child(2) { border-right: 0; }
  .metric-grid .metric { border-bottom: 1px solid var(--line); }
  .metric-grid .metric:last-child { border-bottom: 0; }
  .metric { min-height: 142px; }
  .legend { display: none; }
  .operations-grid { grid-template-columns: 1fr; }
  .operations-grid article, .operations-grid article:nth-child(2n), .operations-grid article:nth-last-child(-n+2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .operations-grid article:last-child { border-bottom: 0; }
  .alarm-panel { grid-template-columns: 1fr; }
  .alarm-item { grid-template-columns: 68px 1fr; }
  .alarm-item .message { grid-column: 1 / -1; }
  .reference-links { display: grid; gap: 10px; }
  footer { display: grid; gap: 8px; }
  .utc-clock:is(.is-window, .is-fullscreen) .clock-view-options { right: 20px; left: 20px; justify-content: center; }
  .utc-clock:is(.is-window, .is-fullscreen) .fullscreen-clock-status { top: 58px; right: 20px; left: 20px; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}