/* Prima atestare — one stylesheet, two themes. */
:root {
  --paper: #f6f2ea;
  --paper-2: #efe9dd;
  --card: #fffdf8;
  --ink: #1d1a16;
  --ink-2: #3f3930;
  --muted: #4f483e;
  --rule: #d8cfbf;
  --accent: #8a2317;
  --accent-text: #7a1d12;
  --focus: #1f5fbf;
  --chip: #ece4d4;
  --shadow: 0 1px 2px rgba(40, 30, 20, .08), 0 8px 24px rgba(40, 30, 20, .06);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bar: 3.25rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #15130f; --paper-2: #1c1914; --card: #211d17; --ink: #f1ebdf; --ink-2: #ddd4c4;
    --muted: #cbc1ae; --rule: #3a342b; --accent: #ff8f7a; --accent-text: #ffa593; --focus: #8ab4ff;
    --chip: #2c271f; --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #15130f; --paper-2: #1c1914; --card: #211d17; --ink: #f1ebdf; --ink-2: #ddd4c4;
  --muted: #cbc1ae; --rule: #3a342b; --accent: #ff8f7a; --accent-text: #ffa593; --focus: #8ab4ff;
  --chip: #2c271f; --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3); color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 18px/1.6 var(--serif); }
a { color: var(--accent-text); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 3px; }
.skip { position: absolute; left: -999px; top: .5rem; background: var(--card); padding: .5rem .8rem; z-index: 50; }
.skip:focus { left: .5rem; }
section, [data-anchor] { scroll-margin-top: calc(var(--bar) + .75rem); }
i, .form { font-style: italic; }

/* ---------------------------------------------------------------- topbar */
.topbar { position: sticky; top: 0; z-index: 30; height: var(--bar); display: flex; align-items: center; gap: .75rem;
  padding: 0 max(1rem, env(safe-area-inset-left)); background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); font: 15px/1 var(--sans); white-space: nowrap; }
.topbar .home { color: var(--ink); text-decoration: none; font-weight: 600; flex: none; }
.topnav { display: flex; gap: .15rem; overflow-x: auto; scrollbar-width: none; min-width: 0; }
.topnav::-webkit-scrollbar { display: none; }
.topnav a { color: var(--ink-2); text-decoration: none; padding: .55rem .6rem; border-radius: 6px; }
.topnav a[aria-current="true"] { color: var(--accent-text); background: var(--chip); }
.topbar .spacer { flex: 1; }
.chip { color: var(--ink); text-decoration: none; border: 1px solid var(--rule); padding: .45rem .7rem; border-radius: 999px; flex: none; }
.icon-btn { flex: none; width: 2.25rem; height: 2.25rem; border-radius: 50%; border: 1px solid var(--rule); background: transparent;
  color: var(--ink); display: grid; place-items: center; cursor: pointer; padding: 0; }
.icon-btn svg { display: block; }
.icon-btn svg[hidden] { display: none; }
@media (max-width: 30rem) { .topbar .home { display: none; } }

/* ---------------------------------------------------------------- layout */
main { display: block; }
.wrap { max-width: 44rem; margin: 0 auto; padding: 0 1rem; }
.wide { max-width: 72rem; margin: 0 auto; padding: 0 1rem; }
section { padding: 2.5rem 0; }
section + section { border-top: 1px solid var(--rule); }
h1, h2, h3 { font-family: var(--serif); line-height: 1.15; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 5.4vw, 3.4rem); margin: 0 0 .9rem; font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); margin: 0 0 1rem; }
h3 { font-size: 1.3rem; margin: 2rem 0 .5rem; }
.deck { font-size: 1.2rem; color: var(--ink-2); margin: 0 0 1.5rem; }
.kicker { font: 600 .8rem/1.2 var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--accent-text); margin: 0 0 .75rem; }
.small, .caption { font: .9rem/1.5 var(--sans); color: var(--muted); }

/* ---------------------------------------------------------------- search */
#cauta { padding-top: 2rem; background: linear-gradient(var(--paper-2), var(--paper)); }
.search { position: relative; }
.search label { display: block; font: 600 .95rem/1.3 var(--sans); margin-bottom: .45rem; }
.search input { width: 100%; font: 1.35rem/1.2 var(--serif); padding: .85rem 1rem; border-radius: 12px; border: 2px solid var(--ink-2);
  background: var(--card); color: var(--ink); box-shadow: var(--shadow); }
.search input::placeholder { color: var(--muted); opacity: 1; }
.results { list-style: none; margin: .4rem 0 0; padding: .3rem; border-radius: 12px; background: var(--card); border: 1px solid var(--rule);
  box-shadow: var(--shadow); max-height: 26rem; overflow-y: auto; position: absolute; left: 0; right: 0; z-index: 20; }
.results li { display: flex; align-items: baseline; gap: .6rem; padding: .6rem .7rem; border-radius: 8px; cursor: pointer; }
.results li[aria-selected="true"], .results li:hover { background: var(--chip); }
.results .rn { font-weight: 700; }
.results .rc { font: .88rem/1.3 var(--sans); color: var(--muted); flex: 1; min-width: 0; }
.results .ry { font: 700 1rem/1 var(--sans); font-variant-numeric: tabular-nums; color: var(--accent-text); }
.results .ry.none { color: var(--muted); font-weight: 400; }
.status { font: .9rem/1.4 var(--sans); color: var(--muted); min-height: 1.4em; margin: .5rem 0 0; }
.try { font: .95rem/1.5 var(--sans); color: var(--muted); margin: .9rem 0 0; }
.try button { font: inherit; color: var(--accent-text); background: none; border: 0; padding: .2rem .15rem; text-decoration: underline;
  text-underline-offset: .18em; cursor: pointer; min-height: 44px; }

/* ---------------------------------------------------------------- card */
.card { margin-top: 1.5rem; background: var(--card); border: 1px solid var(--rule); border-radius: 16px; padding: 1.4rem 1.4rem 1.2rem; box-shadow: var(--shadow); }
.card h2, .card h3.cname { margin: 0; font-size: 1.7rem; }
.card .where { font: .95rem/1.4 var(--sans); color: var(--muted); margin: .25rem 0 1rem; }
.year { display: flex; align-items: baseline; gap: .8rem; flex-wrap: wrap; margin: .2rem 0 .6rem; }
.year b { font: 700 clamp(3.4rem, 12vw, 5.6rem)/1 var(--serif); letter-spacing: -.03em; color: var(--accent-text); font-variant-numeric: lining-nums; }
.year span { font: 1rem/1.3 var(--sans); color: var(--ink-2); }
.year b.none { font-size: 2.2rem; color: var(--muted); }
.facts { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: .45rem 1rem; }
.facts dt { font: 600 .85rem/1.5 var(--sans); color: var(--muted); padding-top: .15rem; }
.facts dd { margin: 0; }
.tier { display: inline-flex; align-items: center; gap: .45rem; font: .9rem/1.3 var(--sans); }
.tier::before { content: ""; width: .7rem; height: .7rem; border-radius: 50%; border: 2px solid currentColor; }
.tier.t1::before { background: currentColor; }
.tier.t2::before { background: linear-gradient(90deg, currentColor 50%, transparent 50%); }
.note { margin: 1rem 0 0; padding: .8rem 1rem; border-left: 3px solid var(--accent); background: var(--paper-2); border-radius: 0 8px 8px 0; }
.alts { margin: 1rem 0 0; }
.alts h4, .near h4 { font: 600 .85rem/1.3 var(--sans); color: var(--muted); margin: 0 0 .4rem; text-transform: uppercase; letter-spacing: .06em; }
.alts ul, .near ul { list-style: none; padding: 0; margin: 0; }
.alts li { padding: .35rem 0; border-top: 1px solid var(--rule); font-size: .98rem; }
.alts li b { font-variant-numeric: tabular-nums; }
.alts .st { font: 600 .8rem/1 var(--sans); color: var(--accent-text); border: 1px solid currentColor; border-radius: 4px; padding: .1rem .3rem; margin-left: .3rem; }
.near { margin: 1.1rem 0 0; }
.near ul { display: flex; flex-wrap: wrap; gap: .4rem; }
.near button { font: .92rem/1.2 var(--sans); background: var(--chip); color: var(--ink); border: 1px solid var(--rule); border-radius: 999px;
  padding: .5rem .75rem; cursor: pointer; min-height: 44px; }
.near button b { font-variant-numeric: tabular-nums; }
.links { font: .88rem/1.4 var(--sans); margin: 1rem 0 0; color: var(--muted); }

/* ---------------------------------------------------------------- map */
.mapbox { position: relative; background: var(--card); border: 1px solid var(--rule); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
.mapbox canvas { display: block; width: 100%; height: auto; aspect-ratio: 1 / .72; touch-action: none; cursor: grab; }
.mapbox canvas.dragging { cursor: grabbing; }
.zoom { position: absolute; right: .6rem; top: .6rem; display: flex; flex-direction: column; gap: .3rem; }
.zoom button { width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--rule); background: var(--card); color: var(--ink);
  font: 700 1.3rem/1 var(--sans); cursor: pointer; }
.tip { position: absolute; pointer-events: none; background: var(--ink); color: var(--paper); font: .85rem/1.35 var(--sans);
  padding: .35rem .55rem; border-radius: 6px; max-width: 16rem; transform: translate(-50%, calc(-100% - 10px)); white-space: nowrap; }
.legend { display: flex; flex-wrap: wrap; gap: .35rem; margin: .9rem 0 .4rem; padding: 0; list-style: none; }
.legend button { display: inline-flex; align-items: center; gap: .4rem; font: .85rem/1 var(--sans); padding: .5rem .6rem; min-height: 44px;
  border-radius: 8px; border: 1px solid var(--rule); background: var(--card); color: var(--ink); cursor: pointer; }
.legend button[aria-pressed="false"] { opacity: .75; text-decoration: line-through; }
.legend i.sw { width: .8rem; height: .8rem; border-radius: 50%; display: inline-block; }
.toggles { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; font: .92rem/1.3 var(--sans); margin: .4rem 0; }
.toggles label { display: inline-flex; align-items: center; gap: .45rem; min-height: 44px; cursor: pointer; }
.toggles input { width: 1.15rem; height: 1.15rem; accent-color: var(--accent); }
#map-card:empty { display: none; }

/* ---------------------------------------------------------------- essay */
.essay p { margin: 0 0 1rem; }
.essay h3 { scroll-margin-top: calc(var(--bar) + .75rem); }
.pull { font-size: 1.25rem; line-height: 1.45; border-left: 3px solid var(--accent); padding-left: 1rem; margin: 1.5rem 0; }

/* ---------------------------------------------------------------- towns table */
.tablewrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: 12px; background: var(--card); }
table { border-collapse: collapse; width: 100%; font: .95rem/1.4 var(--sans); }
caption { text-align: left; padding: .8rem 1rem; color: var(--muted); font-size: .9rem; }
th, td { text-align: left; padding: .55rem .8rem; border-top: 1px solid var(--rule); vertical-align: top; }
thead th { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); border-top: 0; }
td.num { font-variant-numeric: tabular-nums; white-space: nowrap; font-weight: 700; }
tbody th { font-weight: 600; }
.more { margin: 1rem 0 0; font: 600 .95rem/1 var(--sans); padding: .8rem 1.1rem; min-height: 44px; border-radius: 10px;
  border: 1px solid var(--ink-2); background: var(--card); color: var(--ink); cursor: pointer; }

/* ---------------------------------------------------------------- method, footer */
.method p, .method li { font-size: 1rem; }
.method ul { padding-left: 1.2rem; }
footer.site { border-top: 1px solid var(--rule); padding: 2rem 0 5rem; font: .92rem/1.5 var(--sans); color: var(--muted); }

/* ---------------------------------------------------------------- rail, top */
.rail { position: fixed; right: 1.4rem; top: 50%; transform: translateY(-50%); z-index: 20; display: none; }
.rail ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .9rem; align-items: flex-end; }
.rail a { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--muted); font: .8rem/1 var(--sans); }
.rail a span.lab { opacity: 0; transform: translateX(4px); transition: opacity .15s, transform .15s; background: var(--card);
  padding: .25rem .4rem; border-radius: 4px; border: 1px solid var(--rule); }
.rail a:hover span.lab, .rail a:focus-visible span.lab { opacity: 1; transform: none; }
.rail a i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); transition: transform .2s, background .2s; }
.rail a[aria-current="true"] i { background: var(--accent); transform: scale(1.45); }
@media (min-width: 76rem) { .rail { display: block; } }
.totop { position: fixed; right: max(1rem, env(safe-area-inset-right)); bottom: max(1rem, env(safe-area-inset-bottom)); z-index: 25;
  width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--rule); background: var(--card); color: var(--ink);
  box-shadow: var(--shadow); font: 600 .78rem/1 var(--sans); cursor: pointer; }
@media print { .topbar, .rail, .totop, .zoom, .legend, .toggles, .search { display: none !important; } }
.flush { padding: 0; }