:root {
  color-scheme: light;
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #eef0f3;
  --border: #dfe2e7;
  --ink: #101316;
  --ink-2: #4b525c;
  --ink-3: #6b7380;
  --grid: #e6e8ec;
  --accent: #1f5fae;
  --accent-ink: #ffffff;
  --accent-soft: #e2ecf8;
  --day: #2b3440;
  --normal: rgba(31, 95, 174, 0.22);
  --record: rgba(120, 128, 140, 0.16);
  --hot: #d6402b;
  --cold: #1f6fd1;
  --warm-stripe: #c9302c;
  --cool-stripe: #2364aa;
  --y0: #1f5fae; --y1: #e0742a; --y2: #2a9d6f; --y3: #9a4dc4; --y4: #c23b6e; --y5: #7a6a12;
  --k-dry: #e4c77a; --k-light: #9fc6ea; --k-moderate: #4f8fd1; --k-heavy: #1e4f8f; --k-snow: #b9b3d9;
  --warn: #8a5300;
  --shadow: 0 1px 2px rgba(0, 0, 0, .05), 0 2px 8px rgba(0, 0, 0, .04);
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #111315; --surface: #191c1f; --surface-2: #22262a; --border: #2f343a;
    --ink: #f3f5f7; --ink-2: #c1c7cf; --ink-3: #98a0aa; --grid: #2a2e33;
    --accent: #5b9be6; --accent-ink: #0d1117; --accent-soft: #1b2a3c;
    --day: #e8ecf0; --normal: rgba(91, 155, 230, 0.28); --record: rgba(160, 168, 180, 0.16);
    --hot: #ff7a63; --cold: #6aa8ff; --warm-stripe: #e0524c; --cool-stripe: #4d8fd9;
    --y0: #5b9be6; --y1: #f0904a; --y2: #45c08d; --y3: #be82e6; --y4: #ec6f9c; --y5: #cdb54a;
    --k-dry: #b89c4f; --k-light: #7aa9d6; --k-moderate: #4b86c9; --k-heavy: #2f63a8; --k-snow: #a69fd0;
    --warn: #e0a440; --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111315; --surface: #191c1f; --surface-2: #22262a; --border: #2f343a;
  --ink: #f3f5f7; --ink-2: #c1c7cf; --ink-3: #98a0aa; --grid: #2a2e33;
  --accent: #5b9be6; --accent-ink: #0d1117; --accent-soft: #1b2a3c;
  --day: #e8ecf0; --normal: rgba(91, 155, 230, 0.28); --record: rgba(160, 168, 180, 0.16);
  --hot: #ff7a63; --cold: #6aa8ff; --warm-stripe: #e0524c; --cool-stripe: #4d8fd9;
  --y0: #5b9be6; --y1: #f0904a; --y2: #45c08d; --y3: #be82e6; --y4: #ec6f9c; --y5: #cdb54a;
  --k-dry: #b89c4f; --k-light: #7aa9d6; --k-moderate: #4b86c9; --k-heavy: #2f63a8; --k-snow: #a69fd0;
  --warn: #e0a440; --shadow: none;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--font); }
a { color: var(--accent); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--ink-3); }
.small { font-size: 13px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 650; font-size: 17px; }
.top-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.back { font-size: 13px; color: var(--ink-2); text-decoration: none; }
.acct { max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
main { max-width: 1120px; margin: 0 auto; padding: 16px; }
.hero h1 { font-size: 28px; line-height: 1.2; margin: 12px 0 6px; letter-spacing: -0.01em; }
.hero p { margin: 0 0 16px; color: var(--ink-2); max-width: 760px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; min-width: 0; }
.card h2 { font-size: 18px; margin: 0 0 12px; }
.card h3 { font-size: 15px; margin: 0; }
.btn { font: inherit; font-size: 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface-2); color: var(--ink); padding: 8px 14px; cursor: pointer; min-height: 38px; }
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn.ghost { background: transparent; }
.btn.small { font-size: 13px; padding: 5px 10px; min-height: 32px; }
.icon-btn { background: transparent; border: 1px solid var(--border); border-radius: 8px; color: var(--ink-2); width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; }
.search-row { display: flex; gap: 8px; align-items: stretch; flex-wrap: wrap; }
.combo { position: relative; flex: 1 1 280px; min-width: 0; }
.combo input { width: 100%; font: inherit; font-size: 16px; padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--ink); min-height: 40px; }
.combo input:focus, select:focus, .btn:focus-visible, .chip:focus-visible, .drop:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.combo-list { position: absolute; left: 0; right: 0; top: calc(100% + 4px); margin: 0; padding: 4px; list-style: none; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.14); max-height: 340px; overflow: auto; z-index: 30; }
.combo-list li { padding: 7px 10px; border-radius: 7px; cursor: pointer; display: flex; justify-content: space-between; gap: 10px; }
.combo-list li[aria-selected="true"], .combo-list li:hover { background: var(--accent-soft); }
.combo-list .sub { color: var(--ink-3); font-size: 12px; white-space: nowrap; }
.combo-list .empty { color: var(--ink-3); cursor: default; }
select, input[type="text"] { font: inherit; font-size: 14px; padding: 7px 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--ink); min-height: 38px; max-width: 100%; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--ink-2); }
.field.compact { flex-direction: row; align-items: center; gap: 8px; }
.inline { display: inline-flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.grid-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-top: 12px; }
.chips-block { margin-top: 12px; }
.chips-block > summary { cursor: pointer; }
.lbl { font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chip { font: inherit; font-size: 13px; border: 1px solid var(--border); background: var(--surface-2); color: var(--ink); border-radius: 999px; padding: 5px 12px; cursor: pointer; min-height: 32px; }
.chip:hover { border-color: var(--accent); }
.chip.free { background: var(--accent-soft); border-color: transparent; }
.upload { margin-top: 14px; }
.upload > summary { cursor: pointer; font-size: 14px; color: var(--ink-2); }
.drop { margin-top: 10px; border: 1.5px dashed var(--border); border-radius: 10px; padding: 18px; text-align: center; cursor: pointer; }
.drop.over { border-color: var(--accent); background: var(--accent-soft); }
.linkish { color: var(--accent); text-decoration: underline; }
.gate { margin-top: 14px; padding: 14px; border-radius: 10px; background: var(--accent-soft); }
.gate p { margin: 0 0 10px; }
.progress { margin-top: 14px; }
.steps { list-style: none; padding: 0; margin: 0 0 6px; display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--ink-3); }
.steps li::before { content: "\25CB"; margin-right: 6px; }
.steps li.active { color: var(--ink); font-weight: 600; }
.steps li.active::before { content: "\25D4"; color: var(--accent); }
.steps li.done { color: var(--ink-2); }
.steps li.done::before { content: "\2713"; color: var(--accent); }
.status { margin: 10px 0 0; min-height: 1px; font-size: 14px; }
.status.err { color: var(--hot); }
.station-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.station-head h2 { margin: 0 0 2px; }
.station-actions { display: flex; gap: 6px; align-items: flex-start; flex-wrap: wrap; }
.notes { margin: 10px 0 0; padding-left: 18px; color: var(--warn); font-size: 13px; }
.year-row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 14px; }
.compare { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; min-width: 0; }
.compare .lbl { margin: 0; }
.pills { display: flex; flex-wrap: wrap; gap: 4px; max-height: 76px; overflow: auto; }
.pill { font: inherit; font-size: 12px; border: 1px solid var(--border); background: transparent; color: var(--ink-2); border-radius: 999px; padding: 3px 9px; cursor: pointer; min-height: 28px; }
.pill[aria-pressed="true"] { color: var(--accent-ink); border-color: transparent; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; margin-bottom: 16px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px; min-width: 0; }
.tile .k { font-size: 12px; color: var(--ink-3); }
.tile .v { font-size: 22px; font-weight: 650; line-height: 1.25; margin-top: 2px; font-variant-numeric: tabular-nums; }
.tile .d { font-size: 12px; color: var(--ink-2); margin-top: 2px; }
.up { color: var(--hot); }
.down { color: var(--cold); }
.chart-card { overflow: hidden; }
.chart-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.chart { width: 100%; min-height: 60px; }
.chart-svg { display: block; width: 100%; height: auto; touch-action: pan-y; }
.chart-svg .grid { stroke: var(--grid); stroke-width: 1; }
.chart-svg .grid.v { stroke-dasharray: 2 3; }
.chart-svg .tick { fill: var(--ink-3); font-size: 11px; font-family: var(--font); }
.chart-svg .band-record { fill: var(--record); }
.chart-svg .band-normal { fill: var(--normal); }
.chart-svg .day-bars rect { fill: var(--day); }
.chart-svg .mark-hot { fill: var(--hot); }
.chart-svg .mark-cold { fill: var(--cold); }
.chart-svg .hover-line { stroke: var(--ink-3); stroke-width: 1; }
.chart-svg .hover-catch { fill: transparent; }
.chart-svg .line { fill: none; stroke-width: 1.8; stroke-linejoin: round; }
.chart-svg .line.dash { stroke-dasharray: 5 4; }
.chart-svg .line.trend { stroke: var(--ink-2); stroke-width: 1.5; }
.chart-svg .line.normal { stroke: var(--ink-3); }
.chart-svg .normal-tick { stroke: var(--ink); stroke-width: 2; }
.chart-svg .bar.normalbar { fill: var(--ink-3); }
.chart-svg .warm { fill: var(--hot); }
.chart-svg .cool { fill: var(--cold); }
.chart-svg .stripe-warm { fill: var(--warm-stripe); }
.chart-svg .stripe-cool { fill: var(--cool-stripe); }
.chart-svg .stripe-na { fill: var(--surface-2); }
.y0 { --c: var(--y0); } .y1 { --c: var(--y1); } .y2 { --c: var(--y2); } .y3 { --c: var(--y3); } .y4 { --c: var(--y4); } .y5 { --c: var(--y5); }
.chart-svg .line.y0, .chart-svg .line.y1, .chart-svg .line.y2, .chart-svg .line.y3, .chart-svg .line.y4, .chart-svg .line.y5 { stroke: var(--c); }
.chart-svg .bar.y0, .chart-svg .bar.y1, .chart-svg .bar.y2, .chart-svg .bar.y3, .chart-svg .bar.y4, .chart-svg .bar.y5 { fill: var(--c); }
.pill.y0[aria-pressed="true"], .pill.y1[aria-pressed="true"], .pill.y2[aria-pressed="true"], .pill.y3[aria-pressed="true"], .pill.y4[aria-pressed="true"], .pill.y5[aria-pressed="true"] { background: var(--c); }
.chart-svg .k-dry { fill: var(--k-dry); } .chart-svg .k-light { fill: var(--k-light); } .chart-svg .k-moderate { fill: var(--k-moderate); } .chart-svg .k-heavy { fill: var(--k-heavy); } .chart-svg .k-snow { fill: var(--k-snow); }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 12px; color: var(--ink-2); margin-bottom: 4px; }
.legend .sw { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -2px; margin-right: 5px; background: var(--c, var(--ink-3)); }
.legend .sw.ln { height: 3px; vertical-align: 3px; }
.legend .sw.dash { background: repeating-linear-gradient(90deg, var(--ink-3) 0 5px, transparent 5px 8px); height: 3px; vertical-align: 3px; }
.legend .sw.normal { background: var(--normal); }
.legend .sw.record { background: var(--record); border: 1px solid var(--border); }
.legend .sw.day { background: var(--day); width: 4px; }
.legend .sw.dot-hot { background: var(--hot); border-radius: 50%; width: 9px; height: 9px; }
.legend .sw.dot-cold { background: var(--cold); border-radius: 50%; width: 9px; height: 9px; }
.legend .sw.k-dry { background: var(--k-dry); } .legend .sw.k-light { background: var(--k-light); } .legend .sw.k-moderate { background: var(--k-moderate); } .legend .sw.k-heavy { background: var(--k-heavy); } .legend .sw.k-snow { background: var(--k-snow); }
.rec-list { font-size: 13px; color: var(--ink-2); margin-top: 8px; }
.rec-list details summary { cursor: pointer; }
.rec-list ul { margin: 6px 0 0; padding-left: 18px; columns: 2 260px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid2 > .card { margin-bottom: 16px; }
.kind-totals { margin-top: 6px; }
.otd-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.otd-facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; font-size: 13px; margin-bottom: 8px; }
.otd-facts div { background: var(--surface-2); border-radius: 8px; padding: 8px; }
.otd-facts b { display: block; font-size: 16px; font-variant-numeric: tabular-nums; }
.stripes { margin: 8px 0 10px; border-radius: 6px; overflow: hidden; }
.seg { display: inline-flex; flex-wrap: wrap; gap: 4px; margin-bottom: 10px; }
.seg button { font: inherit; font-size: 13px; padding: 5px 10px; border-radius: 8px; border: 1px solid var(--border); background: transparent; color: var(--ink-2); cursor: pointer; min-height: 32px; }
.seg button[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; font-variant-numeric: tabular-nums; }
th, td { text-align: right; padding: 6px 8px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--ink-3); font-weight: 600; }
td.rec { color: var(--hot); font-weight: 600; }
td.recl { color: var(--cold); font-weight: 600; }
.method summary { cursor: pointer; font-weight: 600; }
.method ul { margin: 10px 0 0; padding-left: 18px; color: var(--ink-2); font-size: 14px; }
.about p { color: var(--ink-2); font-size: 14px; }
.foot { max-width: 1120px; margin: 0 auto; padding: 16px 16px 40px; display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); }
.foot a { color: var(--ink-2); }
.tip { position: absolute; z-index: 60; display: none; pointer-events: none; background: var(--surface); color: var(--ink); border: 1px solid var(--border); border-radius: 8px; padding: 7px 9px; font-size: 12px; line-height: 1.45; box-shadow: 0 6px 18px rgba(0,0,0,.16); max-width: 260px; }
.tip b { font-weight: 650; }
.tip .r { color: var(--hot); } .tip .b { color: var(--cold); }
@media (max-width: 760px) {
  .grid2 { grid-template-columns: 1fr; gap: 0; }
  .hero h1 { font-size: 23px; }
  .top { padding: 8px 12px; }
  .brand span { font-size: 15px; }
  .back { display: none; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tile .v { font-size: 19px; }
  .card { padding: 14px 12px; }
}
@media (max-width: 400px) {
  .acct { display: none; }
}
pre { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 12px; overflow-x: auto; font: 13px/1.5 var(--mono); }
code { font-family: var(--mono); font-size: 0.92em; }
.tile.gap-note { grid-column: 1 / -1; color: var(--warn); font-size: 13px; }
table.ext th:nth-child(2), table.ext td:nth-child(2) { text-align: left; }
table.ext th:first-child, table.ext td:first-child { width: 2.5em; }
.faq h3 { font-size: 15px; margin: 14px 0 4px; }
.tok-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.tok-row[hidden] { display: none; }
.tok-code { flex: 1 1 240px; min-width: 0; background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; word-break: break-all; }
.tok-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.tok-pre { white-space: pre-wrap; word-break: break-all; }