/* The single visual vocabulary for the app, native builds and public guides. */
:root {
  --palette-ink-950: 7 21 33;
  --palette-ink-900: 11 29 42;
  --palette-ink-800: 19 43 61;
  --palette-ink-700: 27 58 80;
  --palette-alpine-700: 18 98 122;
  --palette-alpine-600: 22 124 148;
  --palette-alpine-500: 34 147 170;
  --palette-alpine-100: 223 242 245;
  --palette-glacier-50: 247 250 249;
  --palette-glacier-100: 238 244 242;
  --palette-glacier-200: 221 232 229;
  --palette-moss-600: 71 116 91;
  --palette-moss-100: 230 240 234;
  --palette-brass-600: 154 109 47;
  --palette-brass-100: 244 234 215;
  --ui-page: rgb(var(--palette-glacier-50));
  --ui-surface: #fff;
  --ui-subtle: rgb(var(--palette-glacier-100));
  --ui-text: rgb(var(--palette-ink-900));
  --ui-muted: #4f626a;
  --ui-border: #d5dfdf;
  --ui-accent: rgb(var(--palette-alpine-700));
  --ui-selected: rgb(var(--palette-ink-900));
  --ui-on-selected: #fff;
  --ui-danger: #a02c31;
  --ui-danger-surface: #fff0f0;
  --ui-warning: #79551e;
  --ui-warning-surface: rgb(var(--palette-brass-100));
  --ui-success: #266950;
  --ui-success-surface: rgb(var(--palette-moss-100));
  --ui-backdrop: rgb(var(--palette-ink-950) / .55);
  --ui-brand-surface: rgb(var(--palette-ink-950));
  --ui-on-brand: #fff;
  --ui-brand-muted: rgb(255 255 255 / .74);
  --ui-brand-quiet: rgb(255 255 255 / .5);
  --ui-brand-line: rgb(255 255 255 / .24);
  --ui-swiss-red: #d52b1e;
  --ui-image-surface: #fff;
  /* Provider identity uses the manufacturers' fixed monochrome surfaces. */
  --ui-auth-light-surface: #fff;
  --ui-auth-light-text: #1f1f1f;
  --ui-auth-dark-surface: #000;
  --ui-auth-dark-text: #fff;
  --ui-auth-apple-title: 19px;
  --ui-image-overlay: rgb(var(--palette-ink-950) / .8);
  --ui-shadow-panel: 0 8px 28px rgb(var(--palette-ink-950) / .13);
  --ui-shadow-dialog: 0 24px 64px rgb(var(--palette-ink-950) / .24);
  --ui-shadow-control: 0 1px 3px rgb(var(--palette-ink-950) / .16);
  --ui-shadow-spotlight: 0 0 0 100vmax var(--ui-backdrop), var(--ui-shadow-control);
  --ui-radius: 8px;
  --ui-control-radius: 6px;
  --ui-radius-round: 999px;
  --ui-control-height: 44px;
  --ui-control-height-large: 52px;
  --ui-font: -apple-system, BlinkMacSystemFont, 'Segoe UI Variable', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --ui-text-micro: .6875rem;
  --ui-text-caption: .75rem;
  --ui-text-small: .8125rem;
  --ui-text-compact: .875rem;
  --ui-text-body: 1rem;
  --ui-text-base: 1rem;
  --ui-text-large: 1.125rem;
  --ui-text-xl: 1.25rem;
  --ui-title-page: clamp(1.5rem, 3.5vw, 2rem);
  --ui-title-dialog: 1.5rem;
  --ui-title-feature: clamp(2.25rem, 5vw, 3rem);
  --ui-title-editorial: clamp(2.3rem, 4.4vw, 3.5rem);
  --ui-title-hero: clamp(2.9rem, 5vw, 3.8rem);
  --ui-value-size: 1.75rem;
  --ui-value-fluid: clamp(1.25rem, 2.3vw, 1.875rem);
  --ui-loading-brand-size: clamp(2rem, 4vw, 2.5rem);
  --ui-weight-regular: 400;
  --ui-weight-medium: 500;
  --ui-weight-semibold: 600;
  --ui-weight-bold: 700;
  --ui-leading: 1.5;
  --ui-leading-reading: 1.7;
  --ui-leading-heading: 1.25;
  --ui-tracking-heading: -.025em;
  --ui-icon-stroke: 1.75;
  --ui-icon-tile-size: 36px;
  --ui-motion-fast: 150ms;
  --ui-space-1: .25rem;
  --ui-space-2: .5rem;
  --ui-space-3: .75rem;
  --ui-space-4: 1rem;
  --ui-space-5: 1.25rem;
  --ui-space-6: 1.5rem;
  --ui-space-8: 2rem;
  --ui-content-narrow: 42rem;
  --ui-content: 54rem;
  --ui-content-wide: 65rem;
  --ui-content-app: 73.75rem;
  --ui-content-reading: 42rem;
}

html[data-theme='dark'] {
  --ui-page: #081720;
  --ui-surface: #152a37;
  --ui-subtle: #0e202b;
  --ui-text: #edf4f6;
  --ui-muted: #b3c5ce;
  --ui-border: #3b505d;
  --ui-accent: #88d3dc;
  --ui-selected: #edf4f6;
  --ui-on-selected: #07131c;
  --ui-danger: #ffacae;
  --ui-danger-surface: #3c222a;
  --ui-warning: #e5c078;
  --ui-warning-surface: #332b1c;
  --ui-success: #8ed3b1;
  --ui-success-surface: #19352e;
  --ui-shadow-panel: 0 8px 28px #0004;
  --ui-shadow-dialog: 0 24px 64px #0006;
}

@media (prefers-reduced-motion: reduce) {
  :root { --ui-motion-fast: 0ms; }
}

/* Shared by the homepage and the static guides. Keep the shell in one place. */
.landing-header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 40;
  width: 100%;
  padding: calc(var(--app-safe-top) + 0.85rem) 1rem 0;
}

.landing-header__inner {
  display: flex;
  width: min(100%, var(--landing-content-width));
  min-height: 3.25rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 auto;
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ui-on-brand);
  font-size: var(--ui-text-base);
  font-weight: var(--ui-weight-bold);
  text-decoration: none;
}

.landing-brand__mark {
  display: block;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--ui-brand-line);
  border-radius: var(--ui-radius);
  box-shadow: var(--ui-shadow-panel);
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-left: auto;
}

.landing-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--ui-brand-muted);
  font-size: var(--ui-text-small);
  font-weight: var(--ui-weight-semibold);
  text-decoration: none;
}

.landing-nav a:hover {
  color: var(--ui-on-brand);
}

.landing-footer {
  background: var(--ui-brand-surface);
  padding: 3.25rem 1rem 1.5rem;
  color: var(--ui-on-brand);
}

.landing-footer__inner {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  align-items: start;
  gap: 3rem;
}

.landing-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.landing-footer__mark {
  width: 3rem;
  height: 3rem;
  border-radius: var(--ui-radius);
}

.landing-footer__brand strong,
.landing-footer__brand span {
  display: block;
}

.landing-footer__brand strong {
  font-size: var(--ui-text-base);
  font-weight: var(--ui-weight-bold);
}

.landing-footer__brand span {
  margin-top: 0.2rem;
  color: var(--ui-brand-quiet);
  font-size: var(--ui-text-caption);
  font-weight: var(--ui-weight-medium);
}

.landing-footer__links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
}

.landing-footer__links section {
  min-width: 0;
}

.landing-footer__links h2 {
  margin: 0 0 0.85rem;
  color: var(--ui-brand-quiet);
  font-size: var(--ui-text-micro);
  font-weight: var(--ui-weight-semibold);
  text-transform: uppercase;
}

.landing-footer__links a {
  display: flex;
  width: fit-content;
  max-width: 100%;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.6rem;
  color: var(--ui-brand-muted);
  font-size: var(--ui-text-small);
  font-weight: var(--ui-weight-medium);
  overflow-wrap: anywhere;
  text-decoration: none;
}

.landing-footer__links a:hover {
  color: var(--ui-on-brand);
}

.landing-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-top: 2.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--ui-brand-line);
  color: var(--ui-brand-quiet);
  font-size: var(--ui-text-micro);
  font-weight: var(--ui-weight-medium);
}

.landing-footer__bottom span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.landing-footer__bottom .landing-swiss-mark {
  width: 0.95rem;
  height: 0.95rem;
  flex: 0 0 0.95rem;
  justify-content: center;
  border-radius: var(--ui-control-radius);
  background: var(--ui-swiss-red);
  color: var(--ui-on-brand);
}


.landing-footer__inner, .landing-footer__bottom { width: min(100%, var(--landing-content-width, 62rem)); margin-inline: auto; }
@media(max-width:940px) {
  .landing-nav { display:none; }
  .landing-footer__inner { display:block; }
  .landing-footer__links { margin-top:2rem; }
}
@media(max-width:700px) {
  .landing-header {
    padding: calc(var(--app-safe-top) + 0.75rem) 0.75rem 0;
  }

  .landing-header__inner {
    min-height: 2.5rem;
  }

  .landing-brand {
    gap: 0.5rem;
    font-size: var(--ui-text-body);
  }

  .landing-brand__mark {
    width: 2.35rem;
    height: 2.35rem;
  }

  .landing-footer {
    padding-top: 2.5rem;
  }

  .landing-footer__inner {
    display: block;
  }

  .landing-footer__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem 1.25rem;
    margin-top: 2rem;
  }

  .landing-footer__links section:last-child {
    grid-column: auto;
  }

  .landing-footer__bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 2rem;
  }
}

/* Plain articles within the shared website shell and design tokens. */
* { box-sizing: border-box; }
body { margin: 0; }
.search-page { --landing-content-width: 62rem; --app-safe-top: 0px; background: var(--ui-surface); color: var(--ui-text); font-family: var(--ui-font); font-size: var(--ui-text-body); line-height: var(--ui-leading-reading); -webkit-font-smoothing: antialiased; }
.search-page img { display: block; max-width: 100%; }
.search-page svg { width: 24px; height: 24px; flex-shrink: 0; }
.search-page a { text-underline-offset: 4px; }
.search-page main a { color: var(--ui-accent); }
.search-page a:hover { text-decoration-thickness: 2px; }
.search-page :focus-visible { outline: 3px solid var(--ui-accent); outline-offset: 5px; }
.search-page .landing-header { position: relative; background: var(--ui-brand-surface); padding-bottom: .85rem; }
.search-page .landing-header a { line-height: 1.4; }
.skip { position: absolute; z-index: 100; left: 1rem; top: -6rem; padding: .8rem 1rem; background: var(--ui-surface); color: var(--ui-text); }
.skip:focus { top: .5rem; }
.language-bar { max-width: 62rem; margin: 0 auto; padding: .5rem 1rem; display: flex; justify-content: flex-end; }
.languages { display: flex; flex-wrap: wrap; gap: .2rem; }
.languages a { display: flex; align-items: center; justify-content: center; min-height: 44px; padding: .35rem .7rem; border-radius: var(--ui-control-radius); font-size: var(--ui-text-caption); color: var(--ui-muted); text-decoration: none; }
.languages a[aria-current] { background: var(--ui-subtle); color: var(--ui-text); font-weight: var(--ui-weight-semibold); }
h1 { font-size: var(--ui-title-page); line-height: var(--ui-leading-heading); font-weight: var(--ui-weight-semibold); margin: 0 0 var(--ui-space-4); }
h2 { font-size: var(--ui-text-xl); line-height: var(--ui-leading-heading); font-weight: var(--ui-weight-semibold); margin: 0 0 var(--ui-space-3); }
h3 { font-size: var(--ui-text-large); line-height: var(--ui-leading-heading); font-weight: var(--ui-weight-semibold); margin: 0 0 var(--ui-space-2); }
p { margin: 0 0 var(--ui-space-4); }
.intro { margin: 0; }
.text-link { display: inline-flex; align-items: center; min-height: 44px; font-size: var(--ui-text-body); text-decoration: underline; }
.section, .journal-heading, .guide-index { width: min(100%, 62rem); margin-inline: auto; padding-inline: 1rem; }
.journal-heading { padding-block: var(--ui-space-8); }
.journal-heading h1, .journal-heading .intro { max-width: var(--ui-content-reading); }
.guide-index { padding-block: var(--ui-space-4); }
.guide-group { margin-bottom: var(--ui-space-8); }
.guide-group > ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 2.5rem; }
.guide-group li { min-width: 0; border-top: 1px solid var(--ui-border); }
.guide-index__link { display: block; padding-block: var(--ui-space-4); min-height: 44px; text-decoration: none; }
.guide-index__link strong { display: block; color: var(--ui-text); font-size: var(--ui-text-body); font-weight: var(--ui-weight-semibold); line-height: var(--ui-leading); }
.guide-index__link span { display: block; margin-top: var(--ui-space-2); font-size: var(--ui-text-compact); color: var(--ui-muted); }
.guide-index__link:hover strong { text-decoration: underline; }
.guide-index__link strong, .journal-article h1 { overflow-wrap: anywhere; hyphens: auto; }
.story-list { padding-bottom: 3rem; }
.story-card { border-top: 1px solid var(--ui-border); padding-block: var(--ui-space-4); }
.story-card h2 { font-size: var(--ui-text-body); margin: 0; }
.story-card h2 a { display: flex; align-items: center; min-height: 44px; color: var(--ui-text); text-decoration: none; }
.story-card h2 a:hover { text-decoration: underline; }
.story-card p { max-width: var(--ui-content-reading); color: var(--ui-muted); font-size: var(--ui-text-compact); margin: 0; }
.journal-article { width: min(100%, var(--ui-content-reading)); margin-inline: auto; padding: 0 1rem 3rem; }
.article-heading { padding-block: var(--ui-space-6) var(--ui-space-8); }
.article-heading > .text-link { margin-bottom: var(--ui-space-4); }
.article-heading time { display: block; font-size: var(--ui-text-caption); color: var(--ui-muted); margin-top: var(--ui-space-4); }
.article-cover { margin: 0 0 var(--ui-space-8); }
.article-cover img { width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; object-position: 50% 55%; }
.article-cover figcaption { padding-top: var(--ui-space-2); color: var(--ui-muted); font-size: var(--ui-text-caption); }
.guide-section, .guide-app, .food-region, .food-picnic { margin-bottom: var(--ui-space-8); }
.guide-section p:last-child, .food-picnic p { margin-bottom: 0; }
.guide-sources { padding-top: var(--ui-space-6); border-top: 1px solid var(--ui-border); }
.guide-sources ol { padding-left: var(--ui-space-5); margin: 0; }
.guide-sources a { display: inline-flex; align-items: center; min-height: 44px; padding-block: var(--ui-space-2); overflow-wrap: anywhere; }
.editorial-credit { color: var(--ui-muted); font-size: var(--ui-text-caption); padding-top: var(--ui-space-4); }
.food-areas { display: flex; flex-wrap: wrap; gap: 0 var(--ui-space-5); margin-bottom: var(--ui-space-6); }
.food-areas a { display: inline-flex; align-items: center; min-height: 44px; }
.food-region__heading h2 { margin: 0; scroll-margin-top: var(--ui-space-6); }
.food-grid { display: grid; grid-template-columns: minmax(0,1fr); }
.food-stop { min-width: 0; padding-block: var(--ui-space-6); border-bottom: 1px solid var(--ui-border); }
.food-address { color: var(--ui-muted); font-size: var(--ui-text-compact); margin-bottom: var(--ui-space-3); }
.food-boat { margin-bottom: var(--ui-space-2); }
.source-links { margin-top: var(--ui-space-2); }
.food-guide__end { padding-top: var(--ui-space-4); }
details { padding-block: var(--ui-space-4); border-top: 1px solid var(--ui-border); }
summary { cursor: pointer; font-weight: var(--ui-weight-semibold); }
details p { margin-top: var(--ui-space-4); }
.comparison-article { max-width: var(--ui-content); width: 100%; }
.comparison-article .article-heading, .comparison-article .guide-body, .comparison-options, .comparison-choices, .comparison-notes, .comparison-article .actions { max-width: var(--ui-content-reading); margin-inline: auto; }
.comparison-options { margin-bottom: var(--ui-space-8); }
.comparison-options p { margin-bottom: var(--ui-space-2); }
.comparison-section { margin-bottom: var(--ui-space-8); }
.comparison-table { width: 100%; border-collapse: collapse; font-size: var(--ui-text-body); table-layout: fixed; }
.comparison-table caption { text-align: left; color: var(--ui-muted); padding-bottom: var(--ui-space-4); font-size: var(--ui-text-compact); }
.comparison-table th, .comparison-table td { padding: var(--ui-space-4); border-bottom: 1px solid var(--ui-border); text-align: left; vertical-align: top; overflow-wrap: break-word; }
.comparison-table thead th { font-weight: var(--ui-weight-semibold); }
.comparison-table thead th:first-child { width: 23%; }
.comparison-table tbody th { font-weight: var(--ui-weight-semibold); font-size: var(--ui-text-compact); }
.comparison-cell-label { display: none; }
.comparison-choices .fact { margin-block: var(--ui-space-6); }
.comparison-article .actions { margin-top: var(--ui-space-4); }
.search-page .landing-footer { line-height: 1.5; }
.search-page .landing-footer__bottom svg { width: 14px; height: 14px; }
.search-page .landing-swiss-mark svg { width: 10px; height: 10px; stroke-width: 4; }
@media(max-width:700px) {
  .language-bar { justify-content: center; }
  .guide-group > ul { grid-template-columns: minmax(0,1fr); }
  .journal-heading { padding-top: var(--ui-space-4); }
  .article-heading { padding-top: var(--ui-space-2); }
  .comparison-table, .comparison-table tbody { display: block; }
  .comparison-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .comparison-table caption { display: block; }
  .comparison-table tbody tr { display: grid; grid-template-columns: 1fr 1fr; gap: var(--ui-space-3); padding-block: var(--ui-space-5); border-bottom: 1px solid var(--ui-border); }
  .comparison-table tbody th { grid-column: 1/-1; }
  .comparison-table tbody th, .comparison-table td { padding: 0; border: 0; min-width: 0; }
  .comparison-table td { font-size: var(--ui-text-compact); }
  .comparison-cell-label { display: block; margin-bottom: var(--ui-space-2); font-size: var(--ui-text-caption); font-weight: var(--ui-weight-semibold); color: var(--ui-muted); }
}
@media(max-width:360px) { .languages a { padding-inline: .5rem; } }

.water-level-stations { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,16rem),1fr)); gap: var(--ui-space-6); margin-bottom: var(--ui-space-6); }
.water-level-station { padding-block: var(--ui-space-4); border-block: 1px solid var(--ui-border); }
.water-level-station h2 { font-size: var(--ui-text-body); color: var(--ui-muted); }
.water-level-value { display: flex; align-items: baseline; flex-wrap: wrap; gap: var(--ui-space-2); margin-block: var(--ui-space-3); }
.water-level-value strong { font-size: var(--ui-title-feature); font-weight: var(--ui-weight-semibold); line-height: var(--ui-leading-heading); font-variant-numeric: tabular-nums; }
.water-level-value span, .water-level-time { color: var(--ui-muted); font-size: var(--ui-text-compact); }
.water-level-old, .water-level-status { color: var(--ui-warning); font-size: var(--ui-text-compact); }
.water-level-context, .water-level-other { margin-top: var(--ui-space-6); }
.water-level-other { display: flex; flex-wrap: wrap; column-gap: var(--ui-space-4); }
.water-level-other h2 { width: 100%; }
.water-level-page summary { min-height: var(--ui-control-height); padding-block: var(--ui-space-2); }
.water-level-comparison { font-weight: var(--ui-weight-semibold); }
.water-level-reference { color: var(--ui-muted); font-size: var(--ui-text-compact); }