:root {
  --ground: #F3F1EC; --card: #FCFCFB; --inset: #F7F5F0; --rule: #E4E0D6; --track: #ECE8DF;
  --grid: #E9E5DC; --xgrid: #F0EDE6; --ink: #1B1F24; --ink2: #4A515C; --muted: #5E6570;
  --seg: #E9E5DC; --seg-on: #1B1F24; --seg-on-fg: #FCFCFB; --link: #9A3412; --accent: #C2410C;
  --dashed: #A8A294; --good: #15803D; --warn: #B45309; --warn-bg: #FDF3E3; --warn-line: #F1D3A5;
  --moon-lit: #EDE7D6; --moon-dark: #3A3F47;
  --c-temp: #C2410C; --c-dew: #0B7FA3; --c-pres: #6D4FA8; --c-wind: #334155; --c-gust: #94A3B8; --c-rain: #2B59C3; --c-series: #475569; --c-solar: #A16207; --c-uv: #A23B72; --c-et: #3F7D3A;
  --serif: Fraunces, Georgia, serif; --sans: 'IBM Plex Sans', system-ui, sans-serif; --mono: 'IBM Plex Mono', ui-monospace, monospace;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --ground: #111315; --card: #1A1D21; --inset: #22262B; --rule: #2E3339; --track: #2A2F35;
  --grid: #2A2F35; --xgrid: #22262B; --ink: #ECEAE4; --ink2: #BDB9B0; --muted: #9A968D;
  --seg: #262A2F; --seg-on: #ECEAE4; --seg-on-fg: #111315; --link: #F0A070; --accent: #DD6A30;
  --dashed: #6F6B63; --good: #4ADE80; --warn: #FBBF24; --warn-bg: #2A2416; --warn-line: #5C4A1C;
  --moon-lit: #D9D3C2; --moon-dark: #3A3F47;
  --c-temp: #DD6A30; --c-dew: #2E9CC2; --c-pres: #9B82D6; --c-wind: #C8D0DA; --c-gust: #6F7A88; --c-rain: #5B8CF0; --c-series: #AAB4C2; --c-solar: #B8890C; --c-uv: #D66BA0; --c-et: #4B9A47;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--ground); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.4; }
a { color: var(--link); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; margin: 0; }
.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.ink2 { color: var(--ink2); }
.wrap { max-width: 1440px; margin: 0 auto; padding: 0 64px; }

/* header */
.top { background: var(--card); border-bottom: 1px solid var(--rule); }
.top .wrap { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: baseline; gap: 16px; }
.brand a { font-family: var(--serif); font-size: 26px; font-weight: 600; color: var(--ink); text-decoration: none; }
.brand span { font-size: 13px; color: var(--muted); }
.nav { display: flex; gap: 2px; font-size: 15px; }
.nav a { padding: 12px; color: var(--ink2); text-decoration: none; border-bottom: 2px solid transparent; }
.nav a[aria-current="page"] { color: var(--ink); font-weight: 600; border-bottom-color: var(--accent); }
.nav a:hover { color: var(--ink); }
.tools { display: flex; align-items: center; gap: 12px; }
.live { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink2); }
.dot { width: 8px; height: 8px; border-radius: 4px; background: var(--good); }
.dot.stale { background: var(--warn); }

.seg { display: flex; gap: 2px; padding: 3px; background: var(--seg); border-radius: 10px; }
.seg button { min-width: 54px; height: 44px; padding: 0 12px; border: 0; border-radius: 8px; font: 500 14px var(--sans); cursor: pointer; background: transparent; color: var(--ink); }
.seg button[aria-pressed="true"] { background: var(--seg-on); color: var(--seg-on-fg); }
.seg.lg { padding: 4px; border-radius: 12px; gap: 4px; }
.seg.lg button { min-width: 64px; font-size: 15px; padding: 0 16px; }
.iconbtn { width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--rule); background: var(--card); color: var(--ink); display: flex; align-items: center; justify-content: center; cursor: pointer; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* layout */
main.wrap { padding-top: 40px; padding-bottom: 48px; display: flex; flex-direction: column; gap: 40px; }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: 16px; }
.label { font-size: 13px; color: var(--muted); }
.big { font-family: var(--mono); font-size: 28px; }
.big small { font-size: 15px; }

.now { display: flex; gap: 32px; align-items: stretch; }
.hero { width: 480px; flex-shrink: 0; padding: 32px; display: flex; flex-direction: column; gap: 18px; }
.hero .when { display: flex; justify-content: space-between; align-items: center; font-size: 14px; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.hero .temp { display: flex; align-items: flex-start; gap: 6px; font-family: var(--serif); }
.hero .temp b { font-size: 132px; line-height: .9; font-weight: 400; letter-spacing: -.03em; }
.hero .temp span { font-size: 40px; margin-top: 8px; }
.hero .trend { display: flex; align-items: center; gap: 8px; color: var(--ink2); }
.hilo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: auto; }
.hilo div { padding: 14px 16px; background: var(--inset); border-radius: 10px; }
.hilo .v { font-family: var(--mono); font-size: 22px; margin-top: 4px; }
.hilo .v small { display: block; font-size: 13px; color: var(--muted); margin-top: 2px; }

.tiles { flex-grow: 1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.tile { padding: 22px; display: flex; flex-direction: column; gap: 6px; }
.tile.row { flex-direction: row; align-items: center; gap: 18px; }
.tile .sub { font-size: 14px; color: var(--ink2); }
.meter { margin-top: auto; height: 8px; border-radius: 4px; background: var(--track); overflow: hidden; }
.meter i { display: block; height: 8px; background: var(--c-dew); border-radius: 4px; }

.sechead { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.sechead h2 { font-size: 32px; }
.charts { display: flex; flex-direction: column; gap: 24px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.grid4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }

.chart { padding: 20px 24px 16px; display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.chart header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.chart h3 { font-size: 20px; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--ink2); margin-top: 6px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 16px; height: 3px; border-radius: 2px; }
.readout { text-align: right; font-family: var(--mono); font-size: 13px; color: var(--ink2); white-space: pre-line; line-height: 1.5; min-height: 39px; }
.plot { position: relative; width: 100%; }
.plot svg { display: block; overflow: visible; }
.plot .yl, .plot .xl { position: absolute; font-family: var(--mono); font-size: 11px; color: var(--muted); }
.plot .yl { left: 0; width: 38px; text-align: right; }
.plot .xl { width: 72px; text-align: center; }
.plot .hit { position: absolute; top: 0; cursor: crosshair; touch-action: pan-y; }
.gridline { fill: none; stroke: var(--grid); stroke-width: 1px; }
.xgridline { fill: none; stroke: var(--xgrid); stroke-width: 1px; }
.cross { stroke: var(--ink); stroke-width: 1px; opacity: .5; }

.stat { padding: 22px; display: flex; flex-direction: column; gap: 6px; }
.stat .v { font-family: var(--mono); font-size: 30px; }

footer.site { border-top: 1px solid var(--rule); background: var(--card); }
footer.site .wrap { padding-top: 28px; padding-bottom: 28px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 14px; color: var(--ink2); }
footer.site nav { display: flex; gap: 24px; }

.error { padding: 16px 20px; border-radius: 12px; background: var(--warn-bg); border: 1px solid var(--warn-line); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

@media (max-width: 1200px) {
  .grid3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .now { flex-direction: column; }
  .hero { width: auto; }
}
@media (max-width: 900px) {
  .wrap { padding: 0 16px; }
  .tiles, .grid4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid2, .grid3 { grid-template-columns: minmax(0, 1fr); }
  .brand span, .live { display: none; }
  .nav { order: 3; width: 100%; overflow-x: auto; }
  .hero { padding: 20px; }
  .hero .temp b { font-size: 96px; }
  .sechead h2 { font-size: 26px; }
}
@media (max-width: 520px) {
  .tiles { grid-template-columns: minmax(0, 1fr); }
  .chart { padding: 16px; }
  .chart header { flex-direction: column; gap: 8px; }
  .readout { text-align: left; min-height: 0; }
  .seg.lg button { min-width: 44px; padding: 0 8px; font-size: 14px; }
}

/* ---------- shared page bits ---------- */
.pagehead { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.pagehead h1 { font-size: 44px; }
.pagehead p { margin: 6px 0 0; color: var(--ink2); font-size: 15px; }
.grid5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.stat .note { font-size: 13px; color: var(--ink2); }
.panel { padding: 20px 24px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.panel h2 { font-size: 20px; }
table.data { width: 100%; border-collapse: collapse; font-size: 15px; }
table.data th { text-align: left; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; font-weight: 500; padding: 8px 0; }
table.data td { padding: 11px 0; border-top: 1px solid var(--rule); }
table.data .num { text-align: right; font-family: var(--mono); }
table.data .r { text-align: right; }
.status { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; }
.status.ok { color: var(--good); }
.status.warn { color: var(--warn); }
.status svg { flex-shrink: 0; }
.banner { display: flex; align-items: center; gap: 14px; padding: 16px 20px; border-radius: 14px; border: 1px solid var(--rule); background: var(--card); }
.banner.warn { background: var(--warn-bg); border-color: var(--warn-line); }
.banner b { display: block; font-size: 16px; }
.banner span { font-size: 14px; color: var(--ink2); }
dl.kv { margin: 0; display: grid; grid-template-columns: 200px 1fr; font-size: 15px; }
dl.kv dt, dl.kv dd { margin: 0; padding: 10px 0; border-top: 1px solid var(--rule); }
dl.kv dt { color: var(--ink2); }
dl.kv dd { font-family: var(--mono); font-size: 14px; }
.keyrow { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--ink2); }
.keyrow span { display: inline-flex; align-items: center; gap: 6px; }
.keyrow i { display: inline-block; border-radius: 2px; }

/* calendar heatmap */
:root { --h0: #FBEADF; --h1: #F6CFB5; --h2: #EEAA82; --h3: #E2834F; --h4: #CB5E2A; --h5: #A5441A; --h6: #782F10; }
:root[data-theme="dark"] { --h0: #3A2A22; --h1: #56331F; --h2: #7A4021; --h3: #A04F24; --h4: #C8642C; --h5: #E68646; --h6: #F6B27F; }
.cal { overflow-x: auto; }
.cal table { border-collapse: separate; border-spacing: 3px; }
.cal th { font: 400 12px var(--sans); color: var(--muted); text-align: left; padding-right: 8px; }
.cal td { width: 34px; min-width: 22px; height: 22px; border-radius: 3px; padding: 0; }
.cal td.future { border: 1px dashed var(--rule); }
.cal td.nodata { background: var(--inset); }
.ramp { display: flex; gap: 2px; font-size: 12px; color: var(--ink2); }
.ramp div { flex: 0 1 52px; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.ramp { max-width: 100%; }
.ramp i { height: 10px; border-radius: 2px; }

@media (max-width: 1100px) { .grid5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 900px) {
  .grid5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pagehead h1 { font-size: 32px; }
  .stat .v { font-size: 24px; }
  dl.kv { grid-template-columns: 140px 1fr; }
  .hide-sm { display: none; }
}
[hidden] { display: none !important; }
.grid3 .chart header { flex-direction: column; gap: 8px; }
.grid3 .readout { text-align: left; min-height: 0; }