/* Tokens. The map surface (--sea) stays light in both themes: the SVGs carry light
   presentation fills (sand land, pale lagoon) and are meant to be read on a pale sea. */
:root {
  --paper: #f3f6f5;
  --surface: #ffffff;
  --ink: #0f2e2c;
  --muted: #4b6361;
  --line: #d3dedc;
  --lagoon: #1b6863;
  --lagoon-ink: #ffffff;
  --sea: #bcd8da;
  --sea-line: #a7c9cc;
  --ylang: #e9b949;
  --tip-bg: #0f2e2c;
  --tip-ink: #f3f6f5;
  --tip-muted: #a9c3c0;
  --focus: #1b6863;
  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0b1c1e;
    --surface: #11272a;
    --ink: #e2ecea;
    --muted: #97b0ad;
    --line: #22403f;
    --lagoon: #7ccfc4;
    --lagoon-ink: #06201e;
    --sea: #a9cbce;
    --sea-line: #2c4c4d;
    --tip-bg: #f3f6f5;
    --tip-ink: #0f2e2c;
    --tip-muted: #4b6361;
    --focus: #7ccfc4;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0b1c1e;
  --surface: #11272a;
  --ink: #e2ecea;
  --muted: #97b0ad;
  --line: #22403f;
  --lagoon: #7ccfc4;
  --lagoon-ink: #06201e;
  --sea: #a9cbce;
  --sea-line: #2c4c4d;
  --tip-bg: #f3f6f5;
  --tip-ink: #0f2e2c;
  --tip-muted: #4b6361;
  --focus: #7ccfc4;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.55 var(--sans);
  font-feature-settings: "kern", "liga";
}
body:has(dialog[open]) { overflow: hidden; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 4px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

/* Top bar */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 20px; padding-bottom: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: italic 500 1.15rem/1 var(--serif); letter-spacing: 0.01em; text-decoration: none; }
.brand .glyph {
  width: 22px; height: 29px; flex: none; background: var(--lagoon);
  -webkit-mask: url("../dist/svg/silhouette/mayotte-simple.svg") center / contain no-repeat;
  mask: url("../dist/svg/silhouette/mayotte-simple.svg") center / contain no-repeat;
}

/* Language switch: a two-option segmented control */
.lang { display: inline-flex; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); }
.lang button {
  appearance: none; border: 0; background: transparent; color: var(--muted);
  font: 600 0.8rem/1 var(--sans); letter-spacing: 0.04em;
  min-width: 44px; padding: 8px 12px; border-radius: 999px; cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--ink); color: var(--paper); cursor: default; }
.lang button:not([aria-pressed="true"]):hover { color: var(--ink); }

/* Link to the source repository, same height as the language switch */
.top-actions { display: inline-flex; align-items: center; gap: 10px; }
.repo {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface); color: var(--ink); transition: background 0.15s, color 0.15s;
}
.repo svg { width: 20px; height: 20px; }
.repo:hover { background: var(--ink); color: var(--paper); }

/* Hero: the communes map itself, live */
.hero { display: grid; gap: 32px; padding-top: 16px; padding-bottom: 56px; align-items: center; }
@media (min-width: 900px) { .hero { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 64px; padding-top: 32px; padding-bottom: 88px; } }
.hero h1 {
  font: 400 clamp(2.6rem, 7.2vw, 5.4rem)/0.98 var(--serif);
  letter-spacing: -0.025em; margin: 0 0 28px; text-wrap: balance;
}
.lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); line-height: 1.55; max-width: 34em; margin: 0 0 20px; }
.note { color: var(--muted); font-size: 0.92rem; max-width: 40em; margin: 0 0 10px; }
.index { list-style: none; margin: 32px 0 0; padding: 0; border-top: 1px solid var(--line); max-width: 34em; }
.index li { border-bottom: 1px solid var(--line); }
.index a {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 12px 2px; text-decoration: none;
}
.index a span:first-child { font: italic 400 1.2rem/1.3 var(--serif); }
.index a span:last-child { color: var(--muted); font-size: 0.86rem; font-variant-numeric: tabular-nums; }
.index a:hover span:first-child { color: var(--lagoon); }

.hero-map { margin: 0; }
.hero-map .stage { aspect-ratio: 1000 / 1180; max-height: 78vh; margin-inline: auto; }
.hero-map figcaption { color: var(--muted); font-size: 0.88rem; margin-top: 12px; text-align: center; }

/* Map surfaces shared by hero, cards and viewer */
.stage {
  position: relative; overflow: hidden; background: var(--sea);
  border-radius: 18px; border: 1px solid var(--sea-line);
}
.stage .holder { position: absolute; inset: 0; display: grid; place-items: center; }
.hero-map .holder { inset: 4% 4%; }
.map { display: block; width: 100%; height: 100%; user-select: none; -webkit-user-select: none; }
.map [data-name], .map [data-ref], .map [data-kind], .map [data-above_m] { cursor: pointer; }
.map path[data-name], .map path[data-kind], .map path[data-above_m] { transition: fill 120ms ease; }
.map circle[data-name] { stroke: transparent; stroke-width: 14px; vector-effect: non-scaling-stroke; }
@media (pointer: coarse) { .map circle[data-name] { stroke-width: 24px; } }
.map .is-hot { fill: var(--ylang); fill-opacity: 1; }
/* Lines are thin: a wide transparent copy above the map catches the pointer */
.map .hit { fill: none; stroke: transparent; stroke-width: 14px; vector-effect: non-scaling-stroke; pointer-events: stroke; cursor: pointer; }
@media (pointer: coarse) { .map .hit { stroke-width: 26px; } }
.map .trace { pointer-events: none; }
.map .trace path { fill: none; vector-effect: non-scaling-stroke; stroke-linecap: round; stroke-linejoin: round; }
.map .trace path:first-child { stroke: #0f2e2c; stroke-width: 6px; }
.map .trace path:last-child { stroke: var(--ylang); stroke-width: 3.5px; }
.map .ring { fill: var(--ylang); stroke: #0f2e2c; stroke-width: 1.5px; vector-effect: non-scaling-stroke; pointer-events: none; }

.tip {
  position: absolute; left: 0; top: 0; z-index: 3; pointer-events: none;
  max-width: min(260px, calc(100% - 16px));
  background: var(--tip-bg); color: var(--tip-ink);
  padding: 8px 12px 9px; border-radius: 10px;
  box-shadow: 0 6px 20px rgba(6, 30, 30, 0.22);
  font-size: 0.82rem; line-height: 1.35;
}
.tip[hidden] { display: none; }
.tip strong { display: block; font: 500 1.02rem/1.25 var(--serif); }
.tip span { display: block; color: var(--tip-muted); font-variant-numeric: tabular-nums; }

/* Families */
.family { border-top: 1px solid var(--line); padding: 40px 0 56px; scroll-margin-top: 16px; }
@media (min-width: 900px) {
  .family { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px; padding: 56px 0 72px; }
  .family-head { position: sticky; top: 24px; align-self: start; }
}
.family h2 { font: italic 400 clamp(1.7rem, 3vw, 2.2rem)/1.1 var(--serif); letter-spacing: -0.01em; margin: 0 0 6px; }
.family-head p { color: var(--muted); margin: 0 0 24px; font-size: 0.9rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 228px), 1fr)); gap: 40px 28px; }

.card { display: flex; flex-direction: column; min-width: 0; }
.preview {
  appearance: none; display: block; width: 100%; padding: 0; margin: 0 0 16px; cursor: zoom-in;
  border: 1px solid var(--sea-line); border-radius: 14px; background: var(--sea);
  aspect-ratio: 4 / 5; overflow: hidden; position: relative;
}
.preview img { position: absolute; inset: 7%; width: 86%; height: 86%; object-fit: contain; transition: transform 300ms cubic-bezier(.2,.7,.2,1); }
.preview:hover img { transform: scale(1.035); }
.preview .lens {
  position: absolute; right: 10px; bottom: 10px; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(255,255,255,0.86); color: #0f2e2c;
  opacity: 0; transition: opacity 160ms ease;
}
.preview:hover .lens, .preview:focus-visible .lens { opacity: 1; }
@media (hover: none) { .preview .lens { opacity: 1; } }
.card h3 { font: 500 1.18rem/1.25 var(--serif); margin: 0 0 6px; }
.card p { color: var(--muted); font-size: 0.9rem; margin: 0 0 12px; flex: 1; }
.file { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 0.8rem; color: var(--muted); margin-bottom: 12px; overflow-wrap: anywhere; }
.file span:first-child { color: var(--ink); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
@media (max-width: 559px) {
  .grid { gap: 28px; }
  .card { display: grid; grid-template-columns: 38% minmax(0, 1fr); column-gap: 16px; align-items: start; }
  .card > .preview { grid-row: 1 / span 5; margin: 0; }
  .card h3 { font-size: 1.08rem; }
  .card p { margin-bottom: 8px; }
  .file { margin-bottom: 10px; }
  .btn { min-height: 36px; padding: 7px 12px; font-size: 0.82rem; }
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 38px; padding: 8px 14px; border-radius: 999px; cursor: pointer;
  font: 500 0.86rem/1 var(--sans); text-decoration: none; white-space: nowrap;
  border: 1px solid var(--line); background: transparent; color: var(--ink);
}
.btn:hover { border-color: var(--muted); }
.btn-primary { background: var(--lagoon); border-color: var(--lagoon); color: var(--lagoon-ink); }
.btn-primary:hover { filter: brightness(1.08); border-color: var(--lagoon); }
.btn svg { width: 15px; height: 15px; flex: none; }

/* Home: one tile per section */
.tiles { padding-top: 0; padding-bottom: 56px; }
.tile-grid { border-top: 1px solid var(--line); padding-top: 40px; }
@media (min-width: 900px) { .tiles { padding-bottom: 72px; } .tile-grid { padding-top: 56px; } }
.tile-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 44px 28px; }
.tile a { display: flex; flex-direction: column; height: 100%; text-decoration: none; }
.tile-preview {
  display: block; position: relative; overflow: hidden; aspect-ratio: 4 / 3; margin: 0 0 18px;
  border: 1px solid var(--sea-line); border-radius: 18px; background: var(--sea);
}
.tile-preview img { position: absolute; inset: 7%; width: 86%; height: 86%; object-fit: contain; transition: transform 300ms cubic-bezier(.2,.7,.2,1); }
.tile a:hover .tile-preview img { transform: scale(1.035); }
.tile h3 { font: italic 400 clamp(1.5rem, 2.4vw, 1.9rem)/1.15 var(--serif); letter-spacing: -0.01em; margin: 0 0 8px; }
.tile a:hover h3 { color: var(--lagoon); }
.tile p { color: var(--muted); margin: 0 0 10px; max-width: 32em; }
.tile .count { margin: auto 0 0; color: var(--muted); font-size: 0.86rem; font-variant-numeric: tabular-nums; }

/* Section pages: navigation between sections, as a row of chips that scrolls on small screens */
.chips {
  list-style: none; display: flex; gap: 8px; margin: 0 -16px; padding: 14px 16px;
  overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
.chips::-webkit-scrollbar { display: none; }
@media (min-width: 720px) { .chips { margin: 0 -32px; padding: 16px 32px; flex-wrap: wrap; } }
.chip {
  display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 8px 14px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--surface);
  font: 500 0.86rem/1 var(--sans); white-space: nowrap; text-decoration: none;
}
.chip:hover { border-color: var(--muted); }
.chip span:last-child { color: var(--muted); font-size: 0.78rem; font-variant-numeric: tabular-nums; }
.chip[aria-current="page"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.chip[aria-current="page"] span:last-child { color: inherit; opacity: 0.7; }
.chip.is-empty:not([aria-current]) { border-style: dashed; color: var(--muted); }
.family h1 { font: italic 400 clamp(1.9rem, 3vw, 2.2rem)/1.1 var(--serif); letter-spacing: -0.01em; margin: 0 0 12px; overflow-wrap: break-word; }
.family-head .text { color: var(--ink); font-size: 1rem; margin-bottom: 10px; }
.empty { font: italic 400 1.2rem/1.4 var(--serif); color: var(--muted); margin: 0; }
.family-body { min-width: 0; }
.notice {
  max-width: 46em; margin: 0 0 36px; padding: 14px 18px 4px;
  border: 1px solid var(--line); border-left: 3px solid var(--lagoon); border-radius: 4px 12px 12px 4px;
  background: var(--surface); font-size: 0.92rem;
}
.notice p { margin: 0 0 10px; }
.notice a { color: var(--lagoon); text-underline-offset: 3px; }
.family-head .data-file { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-size: 0.8rem; overflow-wrap: anywhere; }
.data-file .btn { flex-basis: auto; }
.data-file span:nth-child(2) { color: var(--ink); }

/* Footer */
footer { padding-bottom: 48px; color: var(--muted); font-size: 0.86rem; }
.foot { border-top: 1px solid var(--line); padding-top: 32px; display: grid; gap: 8px; }
@media (min-width: 900px) { .foot { grid-template-columns: 220px minmax(0, 1fr); gap: 48px; } }
footer p { margin: 0 0 10px; max-width: 72em; }
.credit { font: italic 400 1.05rem/1.4 var(--serif); color: var(--ink); }
.credit a { text-decoration-color: var(--lagoon); text-underline-offset: 3px; }
.credit a:hover { color: var(--lagoon); }

/* Viewer */
dialog.viewer {
  padding: 0; border: 0; color: var(--ink); background: var(--surface);
  width: min(1180px, calc(100vw - 48px)); height: min(920px, calc(100dvh - 48px));
  max-width: none; max-height: none; border-radius: 20px; overflow: hidden;
  box-shadow: 0 24px 80px rgba(4, 24, 26, 0.35);
}
dialog.viewer::backdrop { background: rgba(8, 30, 32, 0.62); backdrop-filter: blur(3px); }
dialog.viewer[open] { display: flex; flex-direction: column; animation: rise 220ms cubic-bezier(.2,.7,.2,1); }
@keyframes rise { from { opacity: 0; transform: translateY(12px) scale(0.985); } }
.v-bar { display: flex; align-items: flex-start; gap: 16px; padding: 18px 18px 14px 24px; }
.v-titles { flex: 1; min-width: 0; }
.v-titles h2 { font: 400 1.6rem/1.15 var(--serif); margin: 0 0 4px; }
.v-titles p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.v-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.icon-btn {
  appearance: none; width: 40px; height: 40px; flex: none; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--ink); cursor: pointer;
}
.icon-btn:hover { border-color: var(--muted); }
.icon-btn:disabled { opacity: 0.4; cursor: default; }
.icon-btn svg { width: 18px; height: 18px; }
.v-stage { flex: 1; margin: 0 18px; border-radius: 14px; touch-action: none; cursor: grab; }
.v-stage.is-dragging { cursor: grabbing; }
.v-stage .holder { inset: 12px; }
.v-stage .status { color: #0f2e2c; font-size: 0.95rem; padding: 24px; text-align: center; max-width: 30em; }
.zoom { position: absolute; right: 12px; bottom: 12px; z-index: 2; display: flex; flex-direction: column; gap: 6px; }
.zoom .icon-btn { background: #ffffff; color: #0f2e2c; border-color: rgba(15, 46, 44, 0.18); }
.zoom .icon-btn:focus-visible { outline-color: #0f2e2c; }
.zoom .fullscreen { margin-top: 6px; }
.fullscreen .exit, .is-fullscreen .fullscreen .enter { display: none; }
.is-fullscreen .fullscreen .exit { display: block; }
.v-stage:fullscreen { border: 0; border-radius: 0; }
.v-stage:-webkit-full-screen { border: 0; border-radius: 0; width: 100%; height: 100%; }
/* Choropleth legend: light like the map surface, in both themes */
.legend {
  position: absolute; left: 12px; bottom: 12px; z-index: 2; pointer-events: none;
  padding: 9px 12px 10px; border-radius: 10px; background: rgba(255, 255, 255, 0.9); color: #0f2e2c;
  border: 1px solid rgba(15, 46, 44, 0.18); font-size: 0.78rem; line-height: 1.3;
}
.legend[hidden] { display: none; }
.legend strong { display: block; font-weight: 600; margin-bottom: 6px; }
.legend ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.legend li { display: flex; align-items: center; gap: 8px; font-variant-numeric: tabular-nums; }
.legend .swatch { width: 18px; height: 12px; flex: none; border-radius: 3px; box-shadow: inset 0 0 0 1px rgba(15, 46, 44, 0.2); }
.v-hint { margin: 0; padding: 12px 24px 16px; color: var(--muted); font-size: 0.84rem; }

@media (max-width: 640px) {
  dialog.viewer { width: 100vw; height: 100dvh; border-radius: 0; }
  .v-bar { flex-wrap: wrap; padding: 14px 16px 12px; gap: 10px 12px; }
  .v-titles { flex-basis: calc(100% - 56px); }
  .v-titles h2 { font-size: 1.3rem; }
  .v-actions { order: 3; flex-basis: 100%; justify-content: flex-start; }
  .v-close { order: 2; }
  .v-stage { margin: 0 8px; }
  .v-stage .holder { inset: 6px; }
  .v-hint { padding: 10px 16px 14px; }
  .legend { left: 8px; bottom: 8px; padding: 7px 9px 8px; font-size: 0.72rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}