/* Paper sheet, same family as the polymarket weekly page.
   Risk colours are the ones painted on aqhi.gov.hk (checked 2026-10-09):
   low #44af35, moderate #f5aa00, high #e40012, very high #a94616, 10+ #231816. */

:root {
  --desk: #d8d0c3;
  --paper: #f7f4ee;
  --ink: #1c1915;
  --muted: #5f584e;
  --line: #e3dacb;
  --line-strong: #cfc4b2;
  --teal: #143f3c;
  --teal-soft: #1d5550;
  --cream: #f6f1e7;
  --copper: #9a4524;
  --win: #17643f;
  --loss: #8a382f;
  --shadow: 0 18px 50px rgba(48, 38, 22, 0.1);
  --band-low: #44af35;
  --band-moderate: #f5aa00;
  --band-high: #e40012;
  --band-very-high: #a94616;
  --band-serious: #231816;
  --band-missing: #d9d3c7;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--desk);
  font-family: "PingFang HK", "PingFang TC", "Noto Sans CJK TC", "Noto Sans TC", "Microsoft JhengHei", "Heiti TC", sans-serif;
  font-size: 1.02rem;
  line-height: 1.65;
}

a { color: var(--teal-soft); }
a:hover { color: var(--copper); }

:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  padding: 0.4rem 0.7rem;
  background: #fff;
  transform: translateY(-150%);
}

.skip:focus { transform: none; }

.sheet {
  max-width: 1080px;
  margin: 1.5rem auto 2.5rem;
  background: var(--paper);
  border: 1px solid #c9bfae;
  box-shadow: var(--shadow);
}

.mast { padding: 1.75rem 1.75rem 1.1rem; }

.kicker {
  margin: 0 0 0.35rem;
  color: var(--copper);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.subtitle {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.updated,
.fetched {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.updated strong,
.fetched strong {
  color: var(--ink);
  font-weight: 650;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.9rem;
  margin-top: 0.9rem;
}

button { font: inherit; color: inherit; cursor: pointer; }

.refresh {
  min-height: 44px;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--teal);
  background: var(--teal);
  color: var(--cream);
  font-weight: 700;
}

@media (hover: hover) {
  .refresh:hover {
    background: #0e2e2c;
    border-color: #0e2e2c;
  }
}

.refresh:active,
.refresh:hover:active {
  background: var(--copper);
  border-color: var(--copper);
  color: #fff;
}

.refresh:disabled,
.refresh[aria-busy="true"],
.refresh:disabled:hover,
.refresh[aria-busy="true"]:hover {
  background: var(--copper);
  border-color: var(--copper);
  color: #fff;
  opacity: 1;
  cursor: progress;
}

.status {
  margin: 0;
  min-height: 1.4em;
  color: var(--muted);
}

.status[data-state="ok"] { color: var(--win); }
.status[data-state="error"] { color: var(--loss); }

.countdown {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.tip {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.en { font-weight: 500; }

.section-nav {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0.55rem 1.75rem 0.7rem;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.section-nav a {
  flex: 1 1 6.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-left: -1px;
  padding: 0.35rem 0.4rem;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
}

.section-nav a .en {
  color: var(--muted);
  font-size: 0.75rem;
}

.section-nav a:first-child { margin-left: 0; }

@media (hover: hover) {
  .section-nav a:hover {
    background: var(--cream);
    border-color: var(--teal);
    color: var(--teal);
  }

  .section-nav a:hover .en { color: var(--teal-soft); }
}

.section-nav a.is-active,
.section-nav a.is-active:hover {
  position: relative;
  z-index: 1;
  border-color: var(--teal);
  background: var(--teal);
  color: var(--cream);
}

.section-nav a.is-active .en,
.section-nav a.is-active:hover .en { color: #d5e4e0; }

.section-nav a:active,
.section-nav a.is-active:active {
  background: var(--copper);
  border-color: var(--copper);
  color: #fff;
}

.section-nav a:active .en,
.section-nav a.is-active:active .en { color: #f3e6df; }

.summary {
  background: var(--teal);
  color: var(--cream);
  padding: 0;
}

.summary-loading {
  margin: 0;
  padding: 1.5rem 1.75rem;
}

.summary a { color: #f0d3c4; }

.hero {
  display: grid;
  grid-template-columns: minmax(12rem, 0.8fr) 1.5fr;
  gap: 1.25rem 2rem;
  align-items: center;
  padding: 1.5rem 1.75rem 1.1rem;
}

.rate-label {
  margin: 0;
  color: #d5e4e0;
  letter-spacing: 0.04em;
}

.rate-num {
  display: inline-block;
  min-width: 4.6rem;
  margin: 0.35rem 0 0.45rem;
  padding: 0.1rem 0.45rem 0.15rem;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  font-size: clamp(4.2rem, 10vw, 6.4rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.9;
  text-align: center;
}

.rate-band,
.lede { margin: 0; }

.lede { font-size: 1.08rem; line-height: 1.7; }

.band-bar {
  display: flex;
  height: 0.7rem;
  margin-top: 0.95rem;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.12);
}

.band-bar span { flex: 1 1 0; min-width: 0; }

.band-key {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
  margin: 0.45rem 0 0;
  padding: 0;
  list-style: none;
  color: #d5e4e0;
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
}

.band-key i {
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  margin-right: 0.28rem;
  vertical-align: -0.05rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin: 0;
  padding: 0 1.75rem 1.35rem;
  list-style: none;
}

.stats li {
  padding: 0.7rem 0.75rem;
  background: rgba(255, 250, 243, 0.06);
  border: 1px solid rgba(246, 241, 231, 0.16);
}

.stats .n {
  display: block;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  font-size: 1.85rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  color: #fffaf3;
}

.stats .l { color: #d5e4e0; font-size: 0.9rem; }
.stats .l .en { display: block; font-size: 0.78rem; }

section { padding: 1.55rem 1.75rem 0.5rem; scroll-margin-top: 5.2rem; }

h2 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.en-title {
  display: block;
  margin-top: 0.1rem;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.section-lead {
  margin: 0.35rem 0 1rem;
  color: var(--muted);
}

.tool-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.55rem;
  margin: 0 0 1rem;
}

.tool-label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.seg { display: flex; flex-wrap: wrap; gap: 0.35rem; }

.seg button {
  min-height: 44px;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
}

.seg button .en { color: var(--muted); font-size: 0.82rem; }

.seg button[aria-pressed="true"] {
  border-color: var(--teal);
  background: var(--teal);
  color: var(--cream);
}

.seg button[aria-pressed="true"] .en { color: #d5e4e0; }

.station-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16.5rem, 1fr));
  gap: 0.75rem;
  margin: 0 0 1rem;
}

.station-card {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  width: 100%;
  padding: 0.85rem 0.9rem 0.75rem;
  border: 1px solid var(--line-strong);
  background: #fff;
  text-align: left;
}

.station-card[aria-pressed="true"] {
  border-color: var(--teal);
  box-shadow: inset 0 0 0 1px var(--teal);
}

.card-name {
  font-weight: 700;
  line-height: 1.3;
}

.card-en,
.card-type,
.card-meta,
.card-note {
  color: var(--muted);
  font-size: 0.88rem;
}

.card-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.6rem;
}

.badge {
  display: inline-block;
  min-width: 2.6rem;
  padding: 0.05rem 0.4rem;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  line-height: 1.15;
  text-align: center;
}

.badge-lg { font-size: 2.4rem; padding: 0.05rem 0.45rem 0.12rem; }

.badge.rate-num {
  min-width: 4.6rem;
  margin: 0.25rem 0 0.35rem;
  padding: 0.02rem 0.45rem 0.08rem;
  font-size: clamp(4rem, 9vw, 5.6rem);
  line-height: 0.88;
}

.badge-low { background: var(--band-low); color: #000; }
.badge-moderate { background: var(--band-moderate); color: #000; }
.badge-high { background: var(--band-high); color: #fff; }
.badge-very-high { background: var(--band-very-high); color: #fff; }
.badge-serious { background: var(--band-serious); color: #fff; }
.badge-missing {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}

.fill-low { fill: var(--band-low); }
.fill-moderate { fill: var(--band-moderate); }
.fill-high { fill: var(--band-high); }
.fill-very-high { fill: var(--band-very-high); }
.fill-serious { fill: var(--band-serious); }
.fill-missing { fill: var(--band-missing); }

.seg-low { background: var(--band-low); }
.seg-moderate { background: var(--band-moderate); }
.seg-high { background: var(--band-high); }
.seg-very-high { background: var(--band-very-high); }
.seg-serious { background: var(--band-serious); }
.seg-missing { background: var(--band-missing); }

.swatch-low { background: var(--band-low); }
.swatch-moderate { background: var(--band-moderate); }
.swatch-high { background: var(--band-high); }
.swatch-very-high { background: var(--band-very-high); }
.swatch-serious { background: var(--band-serious); }

.spark { display: block; width: 100%; height: 2.4rem; margin-top: 0.25rem; }

.chart-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 0.8rem;
}

.station-select {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: min(100%, 18rem);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.station-select select {
  min-height: 44px;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-weight: 500;
}

.chart-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(14rem, 0.8fr);
  gap: 1rem;
  align-items: start;
}

.chart-panel {
  padding: 0.6rem 0.5rem 0.3rem;
  border: 1px solid var(--line);
  background: #fff;
  overflow-x: auto;
}

.chart-panel svg {
  display: block;
  width: 100%;
  min-width: 36rem;
  height: auto;
  font-family: "PingFang HK", "PingFang TC", "Noto Sans CJK TC", "Noto Sans TC", sans-serif;
}

.chart-side {
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--line);
  background: #fff;
}

.chart-side h3 { margin: 0; font-size: 1.15rem; }
.chart-side p { margin: 0.35rem 0; }
.chart-side .muted { color: var(--muted); }

.hour-table-wrap { margin: 0.8rem 0 1rem; overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

th, td {
  padding: 0.45rem 0.55rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

tr.is-selected td { background: #fff; box-shadow: inset 3px 0 0 var(--teal); }

.hour-table td:nth-child(2),
.hour-table td:nth-child(3),
.max-table td:nth-child(n+2):not(:last-child) { white-space: nowrap; }

.max-table td:last-child { min-width: 14rem; }

.cell-sub { display: block; color: var(--muted); font-size: 0.82rem; font-weight: 500; }

.note-zh { display: block; }
.note-en { display: block; color: var(--muted); font-size: 0.86rem; }

.scale {
  width: auto;
  margin: 0 0 1rem;
}

.scale td, .scale th { padding: 0.35rem 0.7rem 0.35rem 0; }

.disclaimer {
  margin: 0 0 1rem;
  padding: 0.8rem 0.95rem;
  border-left: 3px solid var(--copper);
  background: #fff;
}

.disclaimer p { margin: 0.35rem 0; }
.disclaimer p:first-child { margin-top: 0; }
.disclaimer p:last-child { margin-bottom: 0; }

.credits { margin: 0 0 1.25rem; padding: 0; list-style: none; }
.credits li { margin: 0.25rem 0; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.empty {
  margin: 0 0 1rem;
  color: var(--muted);
}

@media (max-width: 800px) {
  .hero,
  .chart-layout,
  .stats { grid-template-columns: 1fr; }

  .stats { grid-template-columns: repeat(2, 1fr); }

  .mast,
  section,
  .section-nav { padding-left: 1rem; padding-right: 1rem; }
}

.wx-now {
  display: grid;
  grid-template-columns: minmax(11rem, 0.7fr) 1.4fr;
  gap: 0.8rem 1.4rem;
  align-items: center;
  margin: 0.3rem 0 1rem;
}

.wx-figure { margin: 0; }

.temp-num {
  margin: 0.15rem 0 0.2rem;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  font-size: clamp(3.4rem, 8vw, 5rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.9;
}

.wx-place,
.wx-range,
.wx-condition,
.wx-message {
  margin: 0.15rem 0;
}

.wx-range,
.wx-place,
.wx-message.en { color: var(--muted); }

.wx-glyph { width: 2.6rem; height: 2.6rem; }

.warn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 0.9rem;
}

.warn-clear {
  margin: 0;
  color: var(--muted);
}

.warn-chip {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 44px;
  padding: 0.4rem 0.75rem;
  border: 1px solid transparent;
}

.warn-chip p { margin: 0; line-height: 1.3; }

.warn-name { font-weight: 700; }

.warn-name-en,
.warn-time { font-size: 0.84rem; }

.warn-glyph { width: 1.7rem; height: 1.7rem; flex: 0 0 auto; }

.warn-serious { background: #231816; color: #fff; }
.warn-high { background: #e40012; color: #fff; }
.warn-moderate { background: #f5aa00; color: #1c1915; }
.warn-alert { background: var(--teal); color: var(--cream); }

.warn-serious .warn-name-en,
.warn-serious .warn-time,
.warn-high .warn-name-en,
.warn-high .warn-time,
.warn-alert .warn-name-en,
.warn-alert .warn-time { color: inherit; opacity: 0.85; }

.wx-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.wx-facts li {
  padding: 0.7rem 0.75rem;
  background: #fff;
  border: 1px solid var(--line);
}

.fact-k,
.fact-sub {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.fact-v {
  display: block;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  font-size: 1.45rem;
  line-height: 1.25;
}

.uv-low { color: #17643f; }
.uv-mod { color: #87580f; }
.uv-high { color: #9a4524; }
.uv-vhigh { color: #8a382f; }
.uv-extreme { color: #231816; }

.forecast-scroller {
  width: 100%;
  max-width: 100%;
  margin: 0 0 1rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  scroll-snap-type: x proximity;
}

.forecast-strip {
  display: flex;
  align-items: stretch;
  gap: 0.55rem;
  width: max-content;
  min-width: 100%;
  margin: 0;
}

.forecast-day {
  flex: 0 0 10rem;
  min-width: 0;
  padding: 0.6rem 0.7rem 0.75rem;
  background: #fff;
  border: 1px solid var(--line-strong);
  scroll-snap-align: start;
}

.forecast-week,
.forecast-date,
.forecast-temp,
.forecast-icon,
.forecast-wx,
.forecast-psr,
.forecast-en {
  margin: 0;
}

.forecast-week { font-weight: 700; }

.forecast-en,
.forecast-date,
.forecast-psr { color: var(--muted); font-size: 0.82rem; }

.forecast-temp {
  margin-top: 0.15rem;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  font-size: 1.25rem;
}

.forecast-wx,
.forecast-psr {
  overflow-wrap: anywhere;
}

.forecast-wx {
  margin-top: 0.25rem;
  font-size: 0.86rem;
}

.forecast-wx.en {
  color: var(--muted);
  font-size: 0.78rem;
}

.outlook h3 { margin: 0 0 0.25rem; font-size: 1.05rem; }
.outlook p { margin: 0.2rem 0 0.45rem; }
.outlook .en { color: var(--muted); }

@media (max-width: 800px) {
  .wx-now { grid-template-columns: 1fr; }
}

.warn-banner {
  margin: 0;
  padding: 0.9rem 1.75rem 1rem;
  background: #e40012;
  color: #fff;
}

.warn-banner[hidden] { display: none; }

.warn-banner p { margin: 0.15rem 0; }

.warn-banner a { color: inherit; }

.warn-banner-title { font-weight: 700; letter-spacing: 0.04em; }

.warn-banner-name {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", serif;
  font-size: 1.45rem;
  line-height: 1.25;
}

.warn-banner-note { font-size: 0.88rem; font-weight: 500; }

.warn-banner.level-serious { background: #231816; }
.warn-banner.level-high { background: #e40012; }
.warn-banner.level-moderate { background: #f5aa00; color: #1c1915; }
.warn-banner.level-alert { background: var(--teal); }

.warn-banner.is-live {
  animation: warn-pulse 2.2s ease-in-out infinite;
}

.is-fresh { animation: figure-in 0.55s ease; }

@keyframes figure-in {
  from { opacity: 0.2; transform: translateY(0.4rem); }
  to { opacity: 1; transform: none; }
}

@keyframes warn-pulse {
  0%, 100% { box-shadow: inset 0 0 0 0 rgba(255, 255, 255, 0); }
  50% { box-shadow: inset 0 0 0 5px rgba(255, 255, 255, 0.4); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .is-fresh,
  .warn-banner.is-live { animation: none; }
}