/* Rome: a white architectural model under a pale Roman sky, or a dark one at night. One loud colour, red. */
:root {
  --sky: #e4e8ea;
  --sky-clear: rgba(228, 232, 234, 0);
  --sky-veil: rgba(228, 232, 234, .85);
  --backdrop: rgba(228, 232, 234, .7);
  --paper: #ffffff;
  --glass: rgba(255, 255, 255, .92);
  --ink: #000000;
  --muted: #5d6266;
  --rule: #cfd5d8;
  --red: #ec0000;
  --shadow: rgba(30, 40, 50, .16);
  --rim: #c3cacd;
  --gutter: clamp(16px, 2.4vw, 32px);
  color-scheme: light;
  font: 400 14px/1.5 "Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;
}
/* Dark: follows the system unless the reader picks a theme with the toggle (data-theme on <html>). */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --sky: #121417; --sky-clear: rgba(18, 20, 23, 0); --sky-veil: rgba(18, 20, 23, .85); --backdrop: rgba(8, 9, 11, .72);
    --paper: #1d2024; --glass: rgba(29, 32, 36, .92); --ink: #f2f2ef; --muted: #9aa1a6; --rule: #33383d;
    --red: #ff4b3e; --shadow: rgba(0, 0, 0, .5); --rim: #6a7177; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --sky: #121417; --sky-clear: rgba(18, 20, 23, 0); --sky-veil: rgba(18, 20, 23, .85); --backdrop: rgba(8, 9, 11, .72);
  --paper: #1d2024; --glass: rgba(29, 32, 36, .92); --ink: #f2f2ef; --muted: #9aa1a6; --rule: #33383d;
  --red: #ff4b3e; --shadow: rgba(0, 0, 0, .5); --rim: #6a7177; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--sky); color: var(--ink); overflow: hidden; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }

#scene { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }
/* No veils over the model: the bars and cards carry their own paper, and so do the two big words. */
h1, .tally-year { width: fit-content; background: var(--paper); border-radius: 10px; box-shadow: 0 1px 0 var(--rule); }

/* Masthead: the three crosses, then the name set large and tight. */
.masthead { position: fixed; top: calc(env(safe-area-inset-top, 0px) + var(--gutter)); left: var(--gutter);
  display: flex; gap: 14px; align-items: flex-start; pointer-events: none; }
h1 { position: relative; }
.sibling { position: fixed; right: var(--gutter); top: calc(env(safe-area-inset-top, 0px) + var(--gutter) + 124px);
  color: var(--muted); font-size: 12px; text-decoration: underline; text-decoration-color: var(--red); text-underline-offset: 3px; }
h1 { margin: 0; padding: 5px 12px 6px; font-size: clamp(34px, 4.4vw, 56px); font-weight: 800; letter-spacing: -0.035em; line-height: .9; }
/* The dek and the credit: one strip of paper under the timeline. */
.masthead-note { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 16px; padding: 7px 14px; background: var(--paper);
  border-radius: 10px; box-shadow: 0 1px 0 var(--rule), 0 6px 18px var(--shadow); }
.dek { margin: 0; color: var(--ink); font-size: 14px; line-height: 1.4; }
/* One row: the dek gives way (wraps) before the credit and the buttons do. */
.masthead-note .dek { flex: 1 1 240px; min-width: 0; }
.masthead-note .byline-top, .masthead-note .ctas { flex: none; }

/* Mode switch: a single bar, the active mode filled black. */
.modes { position: fixed; top: calc(env(safe-area-inset-top, 0px) + var(--gutter)); left: 50%; transform: translateX(-50%);
  display: flex; background: var(--paper); border-radius: 999px; padding: 3px; box-shadow: 0 1px 0 var(--rule); }
.modes button { border: 0; background: none; padding: 7px 16px; border-radius: 999px; cursor: pointer; font-weight: 500; }
.modes button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

.tally { position: fixed; top: calc(env(safe-area-inset-top, 0px) + var(--gutter)); right: var(--gutter); text-align: right; }
.tally-year { display: block; margin-left: auto; padding: 5px 10px 6px; font-size: clamp(40px, 5vw, 64px); font-weight: 800; letter-spacing: -0.04em; line-height: .85; }
/* The count sits on a slip of paper, like the dek, so it reads over the city. */
.tally-count { display: inline-block; margin-top: 6px; padding: 2px 9px; border-radius: 6px; background: var(--paper);
  box-shadow: 0 1px 0 var(--rule); color: var(--ink); }

/* Context panel: legend, ramp or layer list, always on the left under the masthead. */
.panel { position: fixed; left: var(--gutter); top: calc(env(safe-area-inset-top, 0px) + var(--gutter) + 118px);
  width: min(340px, calc(100vw - 2 * var(--gutter))); max-height: calc(100vh - 352px); overflow-y: auto;
  background: var(--paper); border-radius: 10px; padding: 14px 16px; }
.panel h2 { margin: 0 0 8px; font-size: 13px; font-weight: 700; }
.panel h2.section { margin: 14px 0 4px; color: var(--muted); font-weight: 600; }
.panel h2.section:first-child { margin-top: 0; }
.panel h2.section { display: flex; align-items: center; gap: 7px; scroll-margin-top: 6px; }
.icon { width: 16px; height: 16px; flex: none; }
.layer-title .icon { width: 20px; height: 20px; margin-right: 8px; vertical-align: -3px; }
.jump { display: flex; gap: 4px; margin: 0 0 10px; position: sticky; top: -14px; background: var(--paper); padding: 6px 0; z-index: 1; }
.jump button { width: 34px; height: 34px; border: 1px solid var(--rule); border-radius: 8px; background: var(--paper);
  display: grid; place-items: center; cursor: pointer; color: var(--ink); }
.jump button:hover { background: var(--sky); }
.jump .icon { width: 18px; height: 18px; }
/* Language: two letters under the year. */
.lang { position: fixed; right: var(--gutter); top: calc(env(safe-area-inset-top, 0px) + var(--gutter) + 103px); display: flex;
  background: var(--paper); border-radius: 999px; padding: 2px; }
.lang button { border: 0; background: none; padding: 3px 9px; border-radius: 999px; cursor: pointer; font-size: 12px; font-weight: 600; color: var(--muted); }
.lang button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.swatches { display: flex; flex-direction: column; }
.swatch { display: grid; grid-template-columns: 12px 1fr auto; gap: 10px; align-items: center; background: none; border: 0;
  text-align: left; padding: 4px 0; cursor: pointer; }
.swatch i { width: 12px; height: 12px; border-radius: 2px; }
.swatch .n { color: var(--muted); font-size: 12px; }
.sheet-handle { display: none; }
/* On a computer the handle is a small arrow in the panel's corner, kept there when the panel scrolls and above the layer
   jump bar; folded, the panel is one line that opens it again. */
@media (min-width: 721px) {
  .sheet-handle { position: sticky; top: -6px; float: right; z-index: 2; margin: -6px -8px -26px 0; display: grid; place-items: center;
    width: 26px; height: 26px; padding: 0; border: 0; border-radius: 50%; background: none; color: var(--muted); cursor: pointer; font-size: 0; }
  .sheet-handle::after { content: ""; width: 7px; height: 7px; margin-top: 4px; border: solid currentColor; border-width: 0 2px 2px 0;
    transform: rotate(225deg); }
  .sheet-handle:hover { background: var(--sky); color: var(--ink); }
  .panel.collapsed { width: auto; padding: 0; overflow: hidden; }
  .panel.collapsed .sheet-handle { position: static; float: none; margin: 0; display: flex; gap: 10px; width: auto; height: auto; padding: 9px 14px;
    border-radius: 10px; font-size: 13px; font-weight: 700; color: var(--ink); }
  .panel.collapsed .sheet-handle::after { margin-top: -4px; transform: rotate(45deg); }
  .panel.collapsed #panel-body { display: none; }
}
.energy-scale div { display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: center; padding: 2px 0; }
.energy-scale i { height: 14px; border-radius: 2px; }
.energy-scale .n { color: var(--muted); font-size: 12px; }
.src { font-size: 12px; color: var(--ink); text-decoration-color: var(--red); text-underline-offset: 3px; }
.layer-intro { margin: 6px 0 10px; line-height: 1.5; }
.filter { width: 100%; font: inherit; padding: 7px 10px; border: 1px solid var(--rule); border-radius: 6px; margin-bottom: 6px; background: var(--paper); }
.people .addr { color: var(--ink); opacity: .55; }
.n, .tally, .card dd, .card .y { font-variant-numeric: tabular-nums; }
.swatch[aria-pressed="false"] { opacity: .35; }
.ramp { height: 10px; border-radius: 2px; margin: 4px 0 6px; }
.ramp-scale { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
.note { color: var(--muted); font-size: 12px; margin: 10px 0 0; }

.layers { display: flex; flex-direction: column; gap: 2px; margin: 0 -8px; }
.layer { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; background: none; border: 0; text-align: left;
  padding: 8px; border-radius: 6px; cursor: pointer; }
.layer:hover { background: var(--sky); }
.layer[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.layer b { font-weight: 700; }
.layer .era, .layer .n { font-size: 12px; opacity: .7; }
.layer .n { grid-row: 1 / 3; grid-column: 2; align-self: center; }
.layer-detail { margin-top: 10px; }
.stories { list-style: none; margin: 0 -8px; padding: 0; }
.story { display: block; width: 100%; text-align: left; background: none; border: 0; border-radius: 6px; padding: 7px 8px; cursor: pointer; }
.story:hover { background: var(--sky); }
.story b { display: block; font-weight: 600; }
.story span { display: block; color: var(--muted); font-size: 12px; line-height: 1.45; margin-top: 2px; }
.back { border: 0; background: none; padding: 0; margin: 0 0 10px; color: var(--muted); cursor: pointer; font-size: 13px; }
.back::before { content: "‹ "; }
.layer-title { font-size: 22px !important; font-weight: 800 !important; letter-spacing: -0.02em; margin: 0 !important; line-height: 1.1; }
.layer-era { margin: 2px 0 0; color: var(--muted); }
.layer-detail p { margin: 0 0 10px; line-height: 1.55; }
.layer-detail a { color: var(--ink); text-decoration-color: var(--red); text-underline-offset: 3px; font-size: 12px; }
.caveat { color: var(--muted); font-size: 12px; }

/* Building card: a white slip of paper. Follows the pointer on hover; pinned by a click, then it takes clicks.
   Hierarchy: name and year are the heading; small sentence-case headings mark the sections below. */
.card { position: fixed; z-index: 10; pointer-events: none; background: var(--paper); border-radius: 10px;
  width: 330px; max-height: calc(100vh - 24px); overflow-y: auto; box-shadow: 0 8px 28px var(--shadow); font-size: 13px; }
.card.pinned { pointer-events: auto; width: 400px; }
.card-close { position: absolute; top: 8px; right: 8px; width: 30px; height: 30px; border: 0; border-radius: 50%;
  background: var(--glass); color: var(--ink); cursor: pointer; font-size: 18px; line-height: 1; z-index: 1; }
.card .photo { margin: 0; }
.card .photo img { display: block; width: 100%; max-height: 210px; object-fit: cover; border-radius: 10px 10px 0 0; background: var(--sky); }
.card .photo figcaption { font-size: 11px; color: var(--muted); padding: 5px 16px 0; }
/* Photos through the years: today's first, then the archive; the year sits on the picture, tabs below jump. */
.card .photo .frame { position: relative; }
.card .photo .year { position: absolute; left: 10px; bottom: 8px; background: var(--ink); color: var(--paper);
  font-size: 12px; font-weight: 700; padding: 2px 7px; border-radius: 4px; font-variant-numeric: tabular-nums; }
.card .photo .prev, .card .photo .next { position: absolute; top: 50%; transform: translateY(-50%); width: 30px; height: 30px;
  border: 0; border-radius: 50%; background: var(--glass); cursor: pointer; font-size: 20px; line-height: 1; }
.card .photo .prev { left: 8px; } .card .photo .next { right: 8px; }
.card .photo .years { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px 16px 0; }
.card .photo .years button { border: 1px solid #d6d9dc; background: none; border-radius: 4px; padding: 2px 7px; font: inherit;
  font-size: 12px; cursor: pointer; font-variant-numeric: tabular-nums; }
.card .photo .years button[aria-current] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.card .photo button:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
.card a { color: inherit; text-decoration-color: var(--red); text-underline-offset: 3px; }
.card-head { padding: 12px 16px 10px; }
.card-head h3 { margin: 0 0 6px; font-size: 17px; font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; padding-right: 26px; }
.card .when { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.card .y { font-size: 30px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.card .period { color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.card .period i, .card .chips i { width: 9px; height: 9px; border-radius: 2px; flex: none; }
.card section { padding: 10px 16px; border-top: 1px solid var(--rule); }
.card h4 { margin: 0 0 6px; font-size: 12px; font-weight: 700; color: var(--muted); }
.card .extract { margin: 0; line-height: 1.55; }
.card .fact { background: #fff6e8; border-top-color: #f0dcc0; }
.card .fact p { margin: 0; line-height: 1.5; }
.card .chips { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.card .chips li { display: flex; gap: 8px; align-items: flex-start; }
.card .chips li i { margin-top: 5px; }
.card .chips b { font-weight: 600; }
.card .chips span { color: var(--muted); }
.card .chips p { margin: 3px 0 0; line-height: 1.5; }
.card dl { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; margin: 0; }
.card dt { color: var(--muted); }
.card dd { margin: 0; text-align: right; }
.card .why { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.card .sources p { margin: 0; }
.card .photo.inline { margin: 0 -16px -10px; }
.card .photo.inline img { border-radius: 0; }
.card .hint { margin: 0; padding: 8px 16px 12px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--rule); }

/* How to move: a quiet line under the timeline's right end. */
.howto { position: fixed; right: var(--gutter); bottom: calc(env(safe-area-inset-bottom, 0px) + 190px); color: var(--muted); background: var(--sky-veil); padding: 2px 8px; border-radius: 4px;
  font-size: 12px; pointer-events: none; }
@media (max-width: 720px), (hover: none) { .howto { display: none; } }

.timeline { position: fixed; left: 0; right: 0; bottom: 0; display: flex; flex-direction: column; align-items: stretch; gap: 8px;
  padding: 0 var(--gutter) calc(env(safe-area-inset-bottom, 0px) + 14px); pointer-events: none; }
.timeline > * { pointer-events: auto; }
/* The play button and the histogram on one slip of paper, like the other cards, so they read over the city. */
.hist-card { flex: 1; min-width: 0; display: flex; align-items: center; gap: 14px; background: var(--paper); border-radius: 12px;
  padding: 8px 12px 2px 14px; box-shadow: 0 1px 0 var(--rule), 0 6px 18px var(--shadow); }
.timeline canvas { display: block; flex: 1; min-width: 0; height: 96px; cursor: ew-resize; touch-action: none; }
.play { position: relative; width: 53px; height: 53px; border-radius: 50%; border: 0; background: var(--ink); color: var(--paper);
  cursor: pointer; display: grid; place-items: center; flex: none; box-shadow: 0 6px 18px var(--shadow);
  transition: transform .2s ease; animation: play-call 2.2s ease-out .8s 4; }
.play svg { position: relative; width: 20px; height: 20px; fill: currentColor; margin-left: 2px; }
.play[aria-pressed="true"] svg { margin-left: 0; }
/* A ring in the colours of the periods, the timeline's own palette: it turns while the film plays. */
.play::before { content: ""; position: absolute; inset: -4px; border-radius: 50%;
  background: conic-gradient(from 210deg, #3b0d0a, #9c2416, #d97a2b, #e5b13a, #8e9f3c, #3f8f6b, #2b8a8f, #2c6391, #3a4f9a, #6a3f8f, #3b0d0a);
  /* cut to a ring 4 px wide, just outside the button, whatever the stacking order */
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3.5px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3.5px)); }
.play[aria-pressed="true"]::before { animation: play-ring 3s linear infinite; }
.play:hover { transform: scale(1.07); }
.play:active { transform: scale(.97); }
/* A few soft calls after the page opens, so the film is found; then it rests. */
@keyframes play-call { 0% { box-shadow: 0 6px 18px var(--shadow), 0 0 0 0 rgba(236, 0, 0, .45); }
  70%, 100% { box-shadow: 0 6px 18px var(--shadow), 0 0 0 18px rgba(236, 0, 0, 0); } }
@keyframes play-ring { to { transform: rotate(1turn); } }
@media (prefers-reduced-motion: reduce) { .play, .play::before, .play[aria-pressed="true"]::before { animation: none; } }

.loading { position: fixed; left: 50%; top: 50%; transform: translate(-50%, -50%); color: var(--muted); text-align: center; }
.loading p { margin: 0; }
.loading .motto { color: var(--ink); font-size: clamp(22px, 3vw, 34px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 10px; }
.loading .building { font-variant-numeric: tabular-nums; }

@media (max-width: 720px) {
  .dek, .masthead-note { display: none; }
  h1 { font-size: 30px; padding: 3px 8px 4px; border-radius: 8px; }
  .tally-year { font-size: 30px; padding: 3px 8px 4px; border-radius: 8px; }
  .tally-count { font-size: 12px; margin-top: 3px; padding: 1px 7px; }
  .masthead, .tally { top: calc(env(safe-area-inset-top, 0px) + 14px); }
  .lang { top: calc(env(safe-area-inset-top, 0px) + 73px); }
  .sibling { top: calc(env(safe-area-inset-top, 0px) + 98px); }
  /* Modes: one scrolling strip above the timeline. */
  .modes { top: auto; left: 12px; right: 12px; transform: none; bottom: calc(env(safe-area-inset-bottom, 0px) + 100px);
    overflow-x: auto; scrollbar-width: none; justify-content: flex-start; }
  .modes::-webkit-scrollbar { display: none; }
  .modes button { flex: 1 0 auto; padding: 8px 11px; }
  /* Panel: a sheet above the modes, folded to its handle by default. */
  .panel { top: auto; left: 12px; right: 12px; width: auto; bottom: calc(env(safe-area-inset-bottom, 0px) + 156px);
    max-height: 48vh; padding: 0 14px 12px; }
  .sheet-handle { display: block; width: calc(100% + 28px); margin: 0 -14px 8px; padding: 12px 14px; border: 0;
    background: none; text-align: left; font-weight: 600; cursor: pointer; border-bottom: 1px solid var(--rule); }
  .sheet-handle::after { content: ""; float: right; width: 8px; height: 8px; margin-top: 4px; border: solid var(--muted);
    border-width: 0 2px 2px 0; transform: rotate(225deg); }
  .panel.collapsed { overflow: hidden; padding-bottom: 0; }
  .panel.collapsed .sheet-handle { margin-bottom: 0; border-bottom: 0; }
  .panel.collapsed .sheet-handle::after { transform: rotate(45deg); margin-top: 0; }
  .panel.collapsed #panel-body { display: none; }
  /* Card: a sheet from the bottom edge. */
  .card, .card.pinned { left: 0 !important; right: 0; top: auto !important; bottom: 0; width: auto; max-height: 72vh;
    border-radius: 14px 14px 0 0; padding-bottom: env(safe-area-inset-bottom, 0px); }
  .card .photo img { border-radius: 14px 14px 0 0; max-height: 190px; }
  .timeline { padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 10px); }
  .timeline canvas { height: 76px; }
  .play { width: 48px; height: 48px; }
  .hist-card { gap: 10px; padding: 6px 8px 1px 10px; }
  .play svg { width: 18px; height: 18px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* About: a reading page over the map. */
.lang .about-open { color: var(--ink); }
.about { border: 0; border-radius: 12px; padding: 0; width: min(640px, calc(100vw - 32px)); max-height: calc(100vh - 48px);
  box-shadow: 0 20px 60px var(--shadow); background: var(--paper); color: var(--ink); overflow-y: auto; }
.about::backdrop { background: var(--backdrop); }
/* The dialog scrolls, not the article: an article that scrolls would shrink beside the floating close button. */
.about article { padding: 28px 32px 32px; }
.about h2 { margin: 0 0 12px; font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.about h3 { margin: 22px 0 6px; font-size: 15px; font-weight: 700; }
.about p, .about li { line-height: 1.6; max-width: 64ch; }
.about ul { padding-left: 18px; margin: 6px 0 0; }
.about li { margin-bottom: 6px; }
.about a { color: var(--ink); text-decoration-color: var(--red); text-underline-offset: 3px; }
.about .credit { color: var(--muted); }
.about .author { font-weight: 600; margin-bottom: 4px; }
.about .author + .credit { margin-top: 0; }
.about .notice { border-left: 3px solid var(--red); padding-left: 12px; font-weight: 500; }
.about-close { position: sticky; float: right; top: 10px; margin: 10px 10px 0 0; width: 32px; height: 32px; border: 0;
  border-radius: 50%; background: var(--sky); cursor: pointer; font-size: 18px; }
@media (max-width: 720px) { .about article { padding: 20px 18px 24px; } }
.contribute { margin: 14px 0 0; padding-top: 10px; border-top: 1px solid var(--rule); font-size: 12px; }
.contribute a { color: var(--ink); text-decoration-color: var(--red); text-underline-offset: 3px; }
.card .photo button[disabled] { opacity: .35; cursor: default; }
.card .photo .gone { position: absolute; inset: 0; margin: 0; display: grid; place-content: center; text-align: center; gap: 4px;
  padding: 0 40px; background: var(--sky); font-size: 12px; border-radius: 10px 10px 0 0; }
.card .photo.failed img { visibility: hidden; height: 190px; }


/* Credit under the dek: the maker, then a coffee and LinkedIn. */
.byline-top { margin: 0; padding-left: 16px; border-left: 1px solid var(--rule); font-size: 12px; color: var(--muted); }
.byline-top a { color: var(--ink); text-decoration-color: var(--red); text-underline-offset: 3px; white-space: nowrap; }
.masthead-note .ctas { margin: 0; }
@media (max-width: 720px) { .byline-top, .masthead-note .ctas { display: none; } }

/* The two buttons, here and in About: a cup that steams and tips on hover, and LinkedIn's blue with a glint now and then. */
.ctas { display: flex; flex-wrap: wrap; gap: 6px; }
.cta { position: relative; overflow: hidden; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  padding: 5px 11px 5px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; line-height: 1.2; text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease; }
.cta svg { width: 16px; height: 16px; flex: none; overflow: visible; transition: transform .25s ease; }
.cta:hover { transform: translateY(-1px); box-shadow: 0 4px 12px var(--shadow); }
.cta:active { transform: translateY(0); box-shadow: none; }
.cta-coffee { background: var(--ink); color: var(--paper); }
.cta-coffee:hover { background: var(--red); color: #fff; }
.cta-coffee svg { fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.cta-coffee:hover svg { transform: rotate(-14deg); }
.cta-coffee .steam { opacity: 0; animation: cta-steam 2.6s ease-in-out infinite; }
.cta-coffee .steam + .steam { animation-delay: 1.3s; }
@keyframes cta-steam { 0% { opacity: 0; transform: translateY(2px); } 35% { opacity: .95; } 100% { opacity: 0; transform: translateY(-4px); } }
.cta-in { background: #0a66c2; color: #fff; }
.cta-in:hover { background: #004182; }
.cta-in svg { fill: currentColor; }
.cta-in:hover svg { transform: scale(1.12); }
.cta-in::after { content: ""; position: absolute; inset: 0; pointer-events: none; transform: translateX(-120%);
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, .5) 50%, transparent 65%);
  animation: cta-glint 7s ease-in-out 1.5s infinite; }
.cta-in:hover::after { animation: cta-glint-now .7s ease-out; }
@keyframes cta-glint { 0%, 86% { transform: translateX(-120%); } 100% { transform: translateX(120%); } }
@keyframes cta-glint-now { from { transform: translateX(-120%); } to { transform: translateX(120%); } }
@media (prefers-reduced-motion: reduce) {
  .cta, .cta svg { transition: none; }
  .cta-coffee .steam { animation: none; opacity: .8; }
  .cta-in::after { display: none; }
}

/* Theme toggle: a moon by day, a sun by night, in the pill with About and the languages. */
.theme-toggle { display: grid; place-items: center; width: 26px; padding: 3px 0 !important; color: var(--ink) !important; }
.theme-toggle svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: block; }
:root[data-theme="dark"] .theme-toggle .moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .moon { display: none; }
}

/* About: short, with the maker first; the method folds away. */
.about .lede { font-size: 15px; margin: 0 0 18px; }
.about .maker { display: grid; grid-template-columns: 1fr auto; gap: 4px 18px; align-items: center; padding: 16px 0;
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.about .maker .author { margin: 0; }
.about .maker .bio { margin: 0; grid-column: 1; color: var(--muted); font-size: 13px; line-height: 1.55; }
.about .maker .ctas { grid-column: 2; grid-row: 1 / span 2; flex-direction: column; gap: 8px; }
.about .cta { justify-content: center; gap: 8px; padding: 9px 14px; font-size: 13px; text-decoration: none; }
.about .cta svg { width: 17px; height: 17px; }
.about .cta-coffee { color: var(--paper); }
.about .cta-coffee:hover, .about .cta-in { color: #fff; }
.about .sources { font-size: 13px; }
.about .sources li { margin-bottom: 3px; }
.about details { margin-top: 18px; border-top: 1px solid var(--rule); padding-top: 12px; }
.about summary { cursor: pointer; font-weight: 700; font-size: 15px; }
.about details[open] summary { margin-bottom: 8px; }
.about details p, .about details li { font-size: 13px; }
@media (max-width: 720px) {
  .about .maker { grid-template-columns: 1fr; }
  .about .maker .ctas { grid-column: 1; grid-row: auto; flex-direction: row; margin-top: 8px; }
}

/* Compass: a compass card lying on the ground under the camera. It turns as the map turns and tilts as the
   camera tilts; a click turns the map back to north up. */
.compass { position: fixed; right: var(--gutter); top: calc(env(safe-area-inset-top, 0px) + var(--gutter) + 143px);
  width: 58px; height: 58px; padding: 0; border: 0; background: none; cursor: pointer; perspective: 170px; }
.compass svg { width: 100%; height: 100%; display: block; overflow: visible; transform-origin: 50% 50%;
  filter: drop-shadow(0 1px 3px var(--shadow)); }
.compass .face { fill: var(--paper); stroke: var(--rim); stroke-width: 1.2; }
.compass .ring { fill: none; stroke: var(--rim); stroke-width: .6; opacity: .7; }
.compass .tick { stroke: var(--muted); stroke-width: .6; stroke-linecap: round; opacity: .55; }
.compass .tick.major { stroke-width: 1.1; opacity: .9; }
.compass text { font: 700 7.4px "Schibsted Grotesk", sans-serif; fill: var(--muted); text-anchor: middle; dominant-baseline: middle; }
.compass text.n { fill: var(--red); font-size: 8.6px; font-weight: 800; }
.compass .needle-n { fill: var(--red); }
.compass .needle-s { fill: var(--ink); opacity: .78; }
.compass .hub { fill: var(--paper); stroke: var(--ink); stroke-width: .7; }
.compass:hover .face { stroke: var(--ink); }
.compass:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; border-radius: 50%; }
@media (max-width: 720px) {
  .compass { top: calc(env(safe-area-inset-top, 0px) + 111px); right: 14px; width: 48px; height: 48px; }
}

/* Spin: a turning arrow; while the city turns, a stop square. */
.spin-toggle { display: grid; place-items: center; width: 26px; padding: 3px 0 !important; color: var(--ink) !important; }
.spin-toggle svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.spin-toggle .spin-off { display: none; fill: currentColor; stroke: none; }
.spin-toggle[aria-pressed="true"] .spin-on { display: none; }
.spin-toggle[aria-pressed="true"] .spin-off { display: block; }
.spin-toggle[aria-pressed="true"] { background: var(--ink) !important; color: var(--paper) !important; }

/* Hills: a pill under the compass, filled while the city stands on its relief. */
.terrain-toggle { position: fixed; right: var(--gutter); top: calc(env(safe-area-inset-top, 0px) + var(--gutter) + 209px);
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px 5px 9px; border: 0; border-radius: 999px;
  background: var(--paper); color: var(--ink); font-size: 12px; font-weight: 600; cursor: pointer; box-shadow: 0 1px 0 var(--rule); }
.terrain-toggle svg { width: 18px; height: 13px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linejoin: round; stroke-linecap: round; }
.terrain-toggle .snow { stroke-width: 1.2; }
.terrain-toggle:hover { box-shadow: 0 0 0 1.5px var(--ink); }
.terrain-toggle[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.terrain-toggle.loading { opacity: .55; cursor: progress; }
@media (max-width: 720px) {
  .terrain-toggle { top: calc(env(safe-area-inset-top, 0px) + 165px); right: 14px; padding: 4px 9px 4px 7px; }
}

/* The postcode search: a pill under "Roma". A CAP flies the camera to its addresses and leaves a pin there.
   16px text, so a phone does not zoom the page when the field takes focus. */
.cap-search { pointer-events: auto; display: flex; align-items: center; gap: 7px; width: 150px; height: 34px; margin-top: 8px;
  padding: 0 12px 0 11px; background: var(--paper); border-radius: 999px; box-shadow: 0 1px 0 var(--rule); }
.cap-search:focus-within { box-shadow: 0 0 0 1.5px var(--ink); }
.cap-search svg { width: 15px; height: 15px; flex: none; fill: none; stroke: var(--muted); stroke-width: 1.7; stroke-linecap: round; }
.cap-search input { flex: 1; min-width: 0; padding: 0; border: 0; background: none; color: var(--ink); outline: none;
  font: inherit; font-size: 16px; font-weight: 700; letter-spacing: .02em; font-variant-numeric: tabular-nums; }
.cap-search input::placeholder { color: var(--muted); font-weight: 500; letter-spacing: 0; }
.cap-search input:focus-visible { outline: none; }
.cap-search input::-webkit-calendar-picker-indicator { display: none !important; } /* suggestions still open as you type */
.cap-msg { pointer-events: auto; width: fit-content; max-width: 220px; margin: 6px 0 0; padding: 4px 10px; border-radius: 8px;
  background: var(--paper); color: var(--ink); font-size: 12px; font-weight: 600; box-shadow: 0 1px 0 var(--rule); }
.cap-msg[hidden] { display: none; }
/* The pin: its tip on the ground at the postcode's middle, the CAP beside its head. Under the panels and cards. */
.cap-pin { position: fixed; left: 0; top: 0; width: 0; height: 0; pointer-events: none; }
.cap-pin[hidden] { display: none; }
.cap-pin svg { position: absolute; left: -13px; top: -35px; width: 26px; height: 35px; overflow: visible;
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, .3)); }
.cap-pin path { fill: var(--red); stroke: var(--paper); stroke-width: 1.5; }
.cap-pin circle { fill: var(--paper); }
.cap-pin b { position: absolute; left: 15px; top: -36px; padding: 2px 7px; border-radius: 6px; background: var(--paper); color: var(--ink);
  font-size: 13px; font-weight: 800; letter-spacing: .02em; font-variant-numeric: tabular-nums; box-shadow: 0 1px 0 var(--rule), 0 3px 10px var(--shadow); }