/* Reading surfaces change; semantic severity fills remain unchanged. */
:root { color-scheme: dark; }
/* The shell owns viewport height; only panels scroll. Unlike hidden, clip
   prevents focus on a closing menu from silently scrolling the body. */
body { overflow: clip; }
:root[data-theme="light"] {
  color-scheme: light;
  --paper: #f4f6f8;
  --card-wash: #ffffff;
  --well: #ffffff;
  --well-dim: #eaf0f4;
  --bg-raised: #ffffff;
  --ink: #172638;
  --ink-mid: #40546a;
  --ink-low: #53647a;
  --ink-high: #172638;
  --rule: #ced7df;
  --rule-strong: #8193a5;
  --line-hair: #ced7df;
  --navy-ink: #203e65;
  --accent: #006a7a;
  --accent-ink: #ffffff;
  --accent-dim: #e0f1f4;
  --danger-ink: #a51931;
  --rain: #245fbc;
  --dam: #086a69;
  --aqi: #635278;
}
:root[data-theme="contrast"] {
  color-scheme: dark;
  --paper: #000000;
  --card-wash: #000000;
  --well: #000000;
  --well-dim: #161616;
  --bg-raised: #161616;
  --ink: #ffffff;
  --ink-mid: #ffffff;
  --ink-low: #e6e6e6;
  --ink-high: #ffffff;
  --ink-inv: #ffffff;
  --th-navy: #000000;
  --navy-ink: #ffffff;
  --rule: #a8a8a8;
  --rule-strong: #ffffff;
  --line-hair: #a8a8a8;
  --accent: #7ff3ff;
  --accent-ink: #000000;
  --danger-ink: #ff9aa7;
  --rain: #9dc7ff;
  --dam: #80eee0;
}
.panel-head .eyebrow { letter-spacing: .03em; line-height: 1.4; font-size: 13px; }
.panel-note, .rank-row .who .en, .rank-row .stats .line { font-size: 13px; line-height: 1.5; }
.rank-row .who .th { font-size: 16px; line-height: 1.4; }
.rank-row { padding-top: 10px; padding-bottom: 10px; }
#righttabs button { font-size: 14px; line-height: 1.4; }
#righttabs button .en { font-size: 11px; letter-spacing: .02em; }
.reading-key { margin-top: 4px; font-size: 13px; color: var(--ink-mid); }
.reading-key { padding: 0 12px; flex: none; }
.reading-key[open] { max-height: 40vh; overflow-y: auto; border-bottom: 1px solid var(--rule); }
body.city-place-open .reading-key { display: none; }
.ana-kpi-value { color: var(--ink) !important; border-left: 3px solid var(--metric-color, var(--accent)); padding-left: 8px; }
.ana-kpi-label { font-family: var(--font-ui); letter-spacing: .02em; font-size: 12px; line-height: 1.5; }
html[data-theme="light"] header .brand { --accent: #7ff3ff; }
html[data-theme="light"] header #langtoggle button.active { background: var(--accent); color: var(--accent-ink); }
html[data-theme="contrast"] .ana-list-val { color: var(--ink) !important; }
.reading-key summary { cursor: pointer; min-height: 32px; display: flex; align-items: center; text-decoration: underline; text-underline-offset: 3px; }
.reading-key p { margin: 4px 0 8px; line-height: 1.6; }
#appearance-select { min-width: 140px; max-width: 100%; min-height: 44px; font: inherit; padding: 8px; background: var(--well); color: var(--ink); border: 1px solid var(--rule-strong); }
.appearance-row { flex-wrap: wrap; }
header .header-chrome, html.large-text header #header-chrome { max-height: calc(100dvh - var(--header-h) - 8px); overflow-y: auto; overscroll-behavior: contain; }
.appearance-note { margin: 0 8px 8px; font-size: 13px; line-height: 1.5; color: var(--ink-inv); }
html[data-theme="contrast"] a { text-decoration: underline; text-underline-offset: 3px; }
html[data-theme="contrast"] :focus-visible { outline: 3px solid var(--accent) !important; outline-offset: 3px; }
html[data-theme="contrast"] :is(.rank-row, .panel-head, .place-section, .fd-dossier-block) { border-color: var(--rule-strong); }
html[data-theme="contrast"] :is(.eyebrow, .panel-note, .en) { opacity: 1; }
html[data-theme="contrast"] *, html[data-theme="contrast"] *::before, html[data-theme="contrast"] *::after { text-shadow: none !important; box-shadow: none !important; animation: none !important; transition: none !important; }
html[data-theme="contrast"] #ticker .crawl { transform: none !important; padding-left: 12px; }
.rank-row .score.b-watch { color: var(--ink-on-light); }
html[data-theme="light"] .rank-row .score:not(.b-watch) { color: var(--ink-inv); }
@media (forced-colors: active) {
  :focus-visible { outline: 3px solid Highlight !important; }
  button, select, input, .rank-row { border: 1px solid CanvasText; }
}
@media (max-width: 600px) {
  /* Use the chosen language once instead of squeezing two headlines into
     the same phone header. Hotline and read-aloud stay in place. */
  html[lang="th"] header .national .verb-en,
  html[lang="en"] header .national .verb-th { display: none; }
  header .national .label .verb-en { flex: 1 1 auto; min-width: 0; max-width: 100%; letter-spacing: .02em; }
  html.large-text #sheet-mode .en-lbl { display: none; }
}
/* Two facades, one instrument. Palette's fixed hardware/solid-field
   hierarchy adapted to a civic cockpit; safety colours remain untouched. */
#modetoggle { display: none !important; }
#facade-control { display: contents; }
#facade-control #sheet-mode {
  display: flex !important; position: fixed; z-index: 1700;
  right: 16px; bottom: 16px; width: 156px; height: 56px;
  flex-direction: column; justify-content: center; gap: 4px;
  padding: 6px 10px; border: 2px solid var(--ink); border-radius: 0;
  background: var(--paper); color: var(--ink); font-weight: 700;
  font-size: 13px; line-height: 1.3; white-space: nowrap;
}
#facade-control #sheet-mode:hover { background: var(--ink); color: var(--paper); }
#facade-control #sheet-mode:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
#sheet-mode .facade-state { font-size: 11px; font-weight: 500; }
.facade-announcement { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
#citizen { padding-bottom: 88px; }
.citizen-evidence { margin: 16px 0; border-top: 2px solid var(--ink); }
.citizen-evidence > summary { padding: 16px 8px; min-height: 48px; cursor: pointer; font-weight: 700; }
body.mode-citizen #citizen { font-size: 16px; line-height: 1.65; }
body.mode-citizen #citizen :is(.citizen-empty-sub, .citizen-outlook-lead, .citizen-outlook-fact, .citizen-decide-row, .citizen-shelter-name, .citizen-help-links, .citizen-advice) { font-size: 16px; line-height: 1.65; }
body.mode-citizen #citizen :is(.citizen-outlook-caveat, .citizen-outlook-eyebrow, .citizen-decide-sub, .citizen-shelter-meta, .citizen-shelter-hint, .citizen-data-foot-src, .citizen-province-en) { font-size: 14px; line-height: 1.55; }
body.mode-citizen .citizen-province-th { font-size: 22px; line-height: 1.4; }
body.mode-citizen #righttabs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
body.mode-citizen .citizen-empty { text-align: start; }
body.mode-citizen .citizen-empty h3 { font-size: clamp(24px, 2.6vw, 34px); line-height: 1.4; }
body.mode-citizen .citizen-picker-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1px; }
body.mode-citizen .citizen-pick-row { min-height: 52px; text-align: start; }
body.mode-citizen .citizen-pick-name { font-size: 16px; }
.citizen-pick-row { gap: 8px; }
.citizen-pick-name { min-width: 0; overflow-wrap: anywhere; }
.citizen-pick-meta { flex-shrink: 0; white-space: nowrap; }
html.large-text body.mode-citizen .citizen-picker-list { grid-template-columns: minmax(0, 1fr); }
body.mode-citizen .citizen-empty-top { margin-top: 24px; }
body.mode-citizen .citizen-head { background: var(--paper); border-bottom: 2px solid var(--ink); }
@media (min-width: 1101px) {
  body.mode-citizen #app { grid-template-columns: minmax(440px, 1.2fr) minmax(320px, .8fr); grid-template-areas: 'header header' 'right map' 'ticker ticker'; }
  body.mode-citizen #rail-right { min-width: 0; }
  body.mode-citizen #citizen { max-width: 760px; margin-inline: auto; width: 100%; }
}
@media (max-width: 1100px) {
  /* Give the instrument its own row: never float over an advisory. Both
     facades use the same footer geometry, so the anchor does not drift. */
  #app, body.mode-citizen #app { grid-template-rows: auto minmax(0, 1fr) 64px 56px 48px; grid-template-areas: 'header' 'sheet' 'facade' 'tabs' 'ticker'; }
  #facade-control { display: block; grid-area: facade; background: var(--paper); border-top: 1px solid var(--rule-strong); }
  #facade-control #sheet-mode { bottom: 108px; right: 12px; }
  #ticker { display: none !important; }
  #provenance { grid-area: ticker; min-height: 0; height: 48px; overflow-y: auto; }
  #sheettabs { height: 56px; min-height: 56px; }
}
@media (prefers-reduced-motion: no-preference) {
  #rail-right, #rail-left { transition: background-color 180ms ease; }
}