/* Tokyo Flight Tracker · live operations (2026-10-20). Status colors are fixed and always paired with an icon + label. */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --raised: #ffffff;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --ring: rgba(11, 11, 11, 0.10);
  --series: #2a78d6;
  --reference: #52514e;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --unknown: #b9b8b0;
  --good-ink: #006300;
  --youtube: #e34948;
  --twitch: #6250d6;
  --banner-good: #eef7ee;
  --banner-warning: #fff6e2;
  --banner-serious: #fdeee7;
  --banner-critical: #fbe9e9;
  --banner-unknown: #f0efec;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --raised: #1f1f1e; --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --axis: #383835; --ring: rgba(255, 255, 255, 0.10); --series: #3987e5; --reference: #c3c2b7;
    --good-ink: #0ca30c; --unknown: #55554f; --youtube: #e66767; --twitch: #9085e9;
    --banner-good: #13230f; --banner-warning: #2a2210; --banner-serious: #2b1a12; --banner-critical: #2c1414; --banner-unknown: #222220;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --raised: #1f1f1e; --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781;
  --grid: #2c2c2a; --axis: #383835; --ring: rgba(255, 255, 255, 0.10); --series: #3987e5; --reference: #c3c2b7;
  --good-ink: #0ca30c; --unknown: #55554f; --youtube: #e66767; --twitch: #9085e9;
  --banner-good: #13230f; --banner-warning: #2a2210; --banner-serious: #2b1a12; --banner-critical: #2c1414; --banner-unknown: #222220;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--ink); }
a { color: inherit; }
.page { max-width: 1180px; margin: 0 auto; padding: 20px 20px 48px; }
.muted { color: var(--muted); font-weight: 400; }
.fine { color: var(--muted); font-size: 12.5px; margin: 10px 2px 0; }
h1, h2, h3 { margin: 0; letter-spacing: -0.01em; }
h2 { font-size: 20px; }
h3 { font-size: 15px; }

/* masthead */
.masthead { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; padding-bottom: 16px; }
.brand { display: flex; gap: 10px; align-items: center; text-decoration: none; }
.brand strong { display: block; font-size: 17px; }
.brand small { color: var(--muted); font-size: 12.5px; }
.brand-mark { width: 36px; height: 36px; border-radius: 9px; background: #17323a; display: grid; place-items: center; }
.brand-mark svg { width: 20px; height: 20px; fill: #e9f2ee; }
.masthead nav { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 14px; }
.masthead nav a { color: var(--ink-2); text-decoration: none; }
.masthead nav a:hover { color: var(--ink); text-decoration: underline; }

/* status banner */
.status-banner { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center;
  border-radius: 14px; padding: 18px 20px; border: 1px solid var(--ring); background: var(--banner-unknown); }
.status-main { display: flex; gap: 14px; align-items: flex-start; }
.status-icon { flex: none; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; color: #fff; background: var(--unknown); }
.status-banner h1 { font-size: 22px; line-height: 1.3; }
.status-reasons { margin: 4px 0 0; padding: 0; list-style: none; color: var(--ink-2); font-size: 14px; }
.status-reasons li + li { margin-top: 2px; }
.status-meta { display: flex; gap: 12px; align-items: center; color: var(--ink-2); font-size: 13px; }
.status-meta button { font: inherit; padding: 6px 12px; border-radius: 8px; border: 1px solid var(--ring); background: var(--raised); color: var(--ink); cursor: pointer; }
.state-good { background: var(--banner-good); } .state-good .status-icon { background: var(--good); }
.state-warning { background: var(--banner-warning); } .state-warning .status-icon { background: var(--warning); color: #3a2a00; }
.state-serious { background: var(--banner-serious); } .state-serious .status-icon { background: var(--serious); }
.state-critical { background: var(--banner-critical); } .state-critical .status-icon { background: var(--critical); }

/* sections */
section { margin-top: 32px; }
.section-head { display: flex; flex-wrap: wrap; gap: 4px 16px; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.section-head p { margin: 0; color: var(--muted); font-size: 13px; }

/* now */
.now-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.tile { background: var(--raised); border: 1px solid var(--ring); border-radius: 14px; padding: 16px 18px; display: flex; flex-direction: column; gap: 8px; }
.tile header { display: flex; align-items: center; gap: 8px; }
.tile header h3 { flex: 1; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot-youtube { background: var(--youtube); } .dot-twitch { background: var(--twitch); } .dot-route { background: var(--series); }
.tile-value { margin: 0; font-size: 26px; font-weight: 650; letter-spacing: -0.01em; }
.tile-link { margin-top: auto; font-size: 13.5px; color: var(--ink-2); }
.tile-note { margin-top: auto; font-size: 12.5px; color: var(--muted); }
.tile-more { font-size: 12.5px; color: var(--muted); }
.tile-more summary { cursor: pointer; }
.tile-more .kv { margin-top: 4px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; margin: 0; font-size: 13.5px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.badge { display: inline-flex; gap: 5px; align-items: center; font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--ring); color: var(--ink); background: var(--surface); white-space: nowrap; }
.badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--unknown); }
.badge[data-state="good"]::before { background: var(--good); }
.badge[data-state="warning"]::before { background: var(--warning); }
.badge[data-state="serious"]::before { background: var(--serious); }
.badge[data-state="critical"]::before { background: var(--critical); }

.path-figure { margin: 14px 0 0; background: var(--raised); border: 1px solid var(--ring); border-radius: 14px; padding: 12px 14px; }
.path-figure svg { width: 100%; max-width: 760px; height: auto; display: block; margin: 0 auto; }
.path-figure figcaption { color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.node rect { fill: var(--surface); stroke: var(--axis); stroke-width: 1.5; }
.node text { fill: var(--ink); font-size: 15px; font-weight: 650; }
.node .sub { fill: var(--muted); font-size: 12px; font-weight: 400; }
.link { fill: none; stroke-width: 3; stroke-linecap: round; }
.link.good { stroke: var(--good); } .link.critical { stroke: var(--critical); } .link.unknown { stroke: var(--unknown); }
.link.standby { stroke: var(--axis); stroke-dasharray: 6 6; stroke-width: 2; }
.link.active { stroke: var(--warning); stroke-dasharray: 8 5; }
.link-label { fill: var(--ink-2); font-size: 12.5px; font-variant-numeric: tabular-nums; }

/* timeline */
.timeline { background: var(--raised); border: 1px solid var(--ring); border-radius: 14px; padding: 14px 16px 10px; }
.lane { display: grid; grid-template-columns: 170px 1fr 88px; gap: 12px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--grid); }
.lane:last-of-type { border-bottom: 0; }
.lane-label { font-size: 13.5px; }
.lane-label small { display: block; color: var(--muted); font-size: 12px; }
.lane-value { text-align: right; font-size: 13.5px; font-variant-numeric: tabular-nums; color: var(--ink-2); }
.lane svg { width: 100%; height: 44px; display: block; overflow: visible; }
.lane svg.short { height: 22px; }
.axis-row { display: grid; grid-template-columns: 170px 1fr 88px; gap: 12px; }
.axis-ticks { position: relative; height: 18px; }
.axis-ticks span { position: absolute; transform: translateX(-50%); color: var(--muted); font-size: 11px; white-space: nowrap; }
.cell { rx: 2; }
.cell.good { fill: var(--good); } .cell.critical { fill: var(--critical); } .cell.unknown { fill: var(--unknown); } .cell.warning { fill: var(--warning); }
.cell.standby { fill: var(--grid); }

/* on-screen clock checks */
.lead { margin: -4px 0 12px; color: var(--ink-2); font-size: 14px; max-width: 72ch; }
.tile-sub { display: block; color: var(--muted); font-size: 12px; font-weight: 400; }
.clock-timeline { margin-top: 14px; }
.line { fill: none; stroke: var(--series); stroke-width: 2; }
.ref { stroke: var(--reference); stroke-width: 1; stroke-dasharray: 4 4; }
.gridline { stroke: var(--grid); stroke-width: 1; }
.tick { stroke: var(--serious); stroke-width: 2; }
.hit { fill: transparent; }
.cursor { stroke: var(--muted); stroke-width: 1; }

/* reliability */
.table-wrap { overflow-x: auto; background: var(--raised); border: 1px solid var(--ring); border-radius: 14px; }
.rel-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.rel-table th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12.5px; padding: 10px 14px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
.rel-table td { padding: 10px 14px; border-bottom: 1px solid var(--grid); vertical-align: middle; }
.rel-table tr.row { cursor: pointer; }
.rel-table tr.row:hover td { background: var(--surface); }
.rel-table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.rel-table .window { color: var(--muted); font-size: 12.5px; white-space: nowrap; }
.rel-table tr.details td { background: var(--surface); padding-top: 4px; }
.rel-table tr.details dl { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 4px 24px; margin: 0; font-size: 13px; }
.rel-table tr.details dl div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dotted var(--grid); }
.rel-table tr.details dt { color: var(--muted); }
.rel-table tr.details dd { margin: 0; font-variant-numeric: tabular-nums; }
.rel-table tr.details p { margin: 8px 0 2px; color: var(--ink-2); font-size: 12.5px; }
.gap-bar { position: relative; height: 10px; min-width: 140px; background: var(--grid); border-radius: 5px; }
.gap-bar i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 5px; background: var(--series); }
.gap-bar b { position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--ink); }
.gap-bar u { position: absolute; z-index: 2; top: 50%; width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%; background: var(--surface, #fff); border: 2.5px solid var(--ink); box-shadow: 0 0 0 2px var(--surface, #fff); box-sizing: border-box; }
.rel-table small.recent, .rel-table small.scale { display: block; font-size: 11px; color: var(--muted, inherit); font-weight: 400; }
.rel-table small.scale { margin-top: 3px; }
.state { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; white-space: nowrap; }
.state::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--unknown); }
.state.good::before { background: var(--good); } .state.warning::before { background: var(--warning); }
.state.serious::before { background: var(--serious); } .state.critical::before { background: var(--critical); }

/* incidents */
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; }
.panel { background: var(--raised); border: 1px solid var(--ring); border-radius: 14px; padding: 16px 18px; }
.panel h3 { margin-bottom: 10px; }
.incident-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.incident-list li { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; }
.incident-list b { font-size: 14px; }
.incident-list small { grid-column: 2; color: var(--ink-2); font-size: 12.5px; }
.empty { color: var(--muted); font-size: 14px; }
.bar-chart svg { width: 100%; height: 150px; display: block; overflow: visible; }
.bar { fill: var(--series); }
.bar-label { fill: var(--muted); font-size: 11px; }
.bar-value { fill: var(--ink-2); font-size: 11px; font-variant-numeric: tabular-nums; }

/* checks */
.checks { background: var(--raised); border: 1px solid var(--ring); border-radius: 14px; padding: 4px 18px; }
.checks summary { display: flex; align-items: baseline; gap: 14px; cursor: pointer; padding: 12px 0; list-style: none; }
.checks summary::-webkit-details-marker { display: none; }
.checks summary h2 { display: inline; }
.checks summary::after { content: "+"; margin-left: auto; color: var(--muted); font-size: 20px; }
.checks[open] summary::after { content: "−"; }
.check-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px 24px; padding-bottom: 16px; }
.check-groups h3 { font-size: 13px; color: var(--muted); font-weight: 600; margin: 6px 0; }
.check-groups ul { list-style: none; margin: 0; padding: 0; font-size: 13.5px; }
.check-groups li { display: flex; justify-content: space-between; gap: 10px; padding: 4px 0; border-bottom: 1px dotted var(--grid); }
.check-groups li span:last-child { font-variant-numeric: tabular-nums; color: var(--ink-2); }

.footer { margin-top: 40px; color: var(--muted); font-size: 12.5px; }
.footer p { margin: 4px 0; }

.tooltip { position: fixed; z-index: 10; pointer-events: none; background: var(--ink); color: var(--page); font-size: 12.5px; padding: 6px 9px; border-radius: 7px; max-width: 260px; box-shadow: 0 4px 14px rgba(0,0,0,.18); }

@media (max-width: 640px) {
  .lane, .axis-row { grid-template-columns: 110px 1fr 64px; gap: 8px; }
  .axis-ticks span:not(:nth-child(4n+1)) { display: none; }
  .rel-table th:nth-child(2), .rel-table td.window, .rel-table th:nth-child(5), .rel-table tr.row td:nth-child(5) { display: none; }
  .rel-table th, .rel-table td { padding: 9px 10px; }
  .status-banner h1 { font-size: 19px; }
}
.rel-table tr.group th { padding: 16px 14px 6px; font-size: 12px; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-2); border-bottom: 1px solid var(--grid); background: transparent; }
.rel-table td.status { min-width: 170px; }

/* OCI data transfer (2026-10-25): one series hue; status colour only on the badge. */
:root { --series-soft: color-mix(in srgb, var(--series) 32%, var(--raised)); }
@media (prefers-color-scheme: dark) { :root:where(:not([data-theme="light"])) { --series-soft: color-mix(in srgb, var(--series) 50%, var(--raised)); } }
:root[data-theme="dark"] { --series-soft: color-mix(in srgb, var(--series) 50%, var(--raised)); }
.transfer { display: grid; grid-template-columns: minmax(260px, 5fr) 7fr; gap: 18px 28px; }
.transfer-summary { display: flex; flex-direction: column; gap: 10px; }
.transfer-summary header { display: flex; align-items: center; gap: 8px; }
.transfer-summary header h3 { flex: 1; margin: 0; }
.transfer-summary .tile-value { font-variant-numeric: tabular-nums; }
.transfer-of { color: var(--muted); font-size: 15px; font-weight: 400; }
.meter-track { position: relative; height: 12px; background: var(--grid); border-radius: 6px; overflow: hidden; }
.meter-track i { position: absolute; top: 0; bottom: 0; left: 0; width: 0; }
.meter-used { background: var(--series); border-radius: 6px; }
/* 2px surface gap between the used and projected segments. */
.meter-projected { background: var(--series-soft); border-left: 2px solid var(--raised); border-radius: 0 6px 6px 0; }
.meter-scale { display: flex; justify-content: space-between; margin-top: 4px; color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.meter-key { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 16px; margin: 6px 0 0; color: var(--ink-2); font-size: 12.5px; font-variant-numeric: tabular-nums; }
.key-item { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.key { width: 10px; height: 10px; border-radius: 3px; }
.key-used { background: var(--series); }
.key-projected { background: var(--series-soft); }
.transfer-days { min-width: 0; }
.transfer-days h3 { margin-bottom: 8px; }
.transfer-chart svg { height: 190px; }
.bar.partial { fill: var(--series-soft); }
.bar-col:hover .bar { fill: var(--ink-2); }
.bar-col .hit { fill: transparent; }
.pace-label { fill: var(--ink-2); font-size: 11px; }
.axis-label { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
@media (max-width: 760px) {
  .transfer { grid-template-columns: 1fr; }
}