/* Raaz Atlas. Every colour is a token from tokens.css (generated from tokens.json);
   derived tints use color-mix on those tokens, never a new literal. */

:root {
  color-scheme: dark;
  --bar-h: 132px;
  --glass: color-mix(in srgb, var(--surface-deep) 72%, transparent);
  --hair: color-mix(in srgb, var(--signal-brass) 42%, transparent);
  --mono: 'DM Mono', ui-monospace, monospace;
  --serif: 'Instrument Serif', serif;
  --sans: 'Manrope', system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; }
body {
  background: radial-gradient(120% 90% at 50% 60%, var(--surface-lapis), var(--surface-deep) 70%);
  color: var(--textOnDark-primary); font: 500 15px/1.5 var(--sans);
}
button { font: inherit; color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 50; background: var(--surface-paper); color: var(--textOnPaper-primary); padding: 8px 12px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accentOnDark-cyan); outline-offset: 3px; }

#map { position: fixed; inset: 0; }
.maplibregl-canvas { outline: none; }
.maplibregl-ctrl-attrib, .maplibregl-ctrl-logo { display: none !important; }   /* credits live in the layers card */

/* ── The era bar ─────────────────────────────────────────────────────────── */
.bar {
  position: fixed; inset: 0 0 auto 0; z-index: 10;
  display: grid; grid-template-columns: auto auto 1fr auto; grid-template-rows: auto auto;
  align-items: end; column-gap: 28px;
  padding: 14px clamp(16px, 3vw, 36px) 0;
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface-deep) 92%, transparent) 55%, transparent);
  pointer-events: none;
}
.bar > * { pointer-events: auto; }
.lockup { display: flex; align-items: baseline; gap: 9px; text-decoration: none; color: inherit; align-self: center; }
.lockup .wm { font: 500 13px var(--mono); letter-spacing: .26em; }
.lockup .fa { font: 22px var(--serif); color: var(--signal-brass); }
.lockup .tag { font: 500 11px var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--accentOnDark-cyan);
  border-inline-start: 1px solid var(--hair); padding-inline-start: 9px; }
.when { display: flex; align-items: baseline; gap: 8px; line-height: .8; }
.yr { font: 400 clamp(46px, 6vw, 76px) var(--serif); letter-spacing: -.03em; font-variant-numeric: lining-nums tabular-nums; }
.era { font: 500 13px var(--mono); letter-spacing: .18em; color: var(--signal-brass); }
.status { margin: 0 0 8px; font: 500 12px/1.5 var(--mono); letter-spacing: .06em; color: var(--textOnDark-secondary); align-self: end; }
.status b { color: var(--textOnDark-primary); font-weight: 500; }
.transport { display: flex; gap: 8px; align-items: center; align-self: center; }
.icon, .pill {
  height: 38px; min-width: 38px; border-radius: 19px; cursor: pointer;
  border: 1px solid var(--hair); background: var(--glass); backdrop-filter: blur(10px);
  display: inline-grid; place-items: center; font: 500 16px var(--mono);
  transition: background .2s, border-color .2s, transform .2s;
}
.icon:hover, .pill:hover { border-color: var(--signal-brass); background: color-mix(in srgb, var(--signal-brass) 16%, var(--glass)); }
.icon:active, .pill:active { transform: scale(.95); }
.pill { padding: 0 16px; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.play[aria-pressed="true"] { background: var(--signal-red); border-color: var(--signal-red); }

.ruler { grid-column: 1 / -1; position: relative; height: 54px; margin-top: 10px; }
.ruler input { position: absolute; inset: 0 0 auto; width: 100%; height: 30px; margin: 0; background: transparent; appearance: none; cursor: ew-resize; z-index: 2; }
.ruler input::-webkit-slider-runnable-track { height: 30px; background:
  linear-gradient(var(--hair), var(--hair)) center / 100% 1px no-repeat; }
.ruler input::-moz-range-track { height: 1px; background: var(--hair); }
.ruler input::-webkit-slider-thumb { appearance: none; width: 3px; height: 30px; margin-top: 0; background: var(--signal-brass);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--signal-red) 0%, transparent), 0 0 18px color-mix(in srgb, var(--signal-brass) 70%, transparent); border-radius: 2px; }
.ruler input::-moz-range-thumb { width: 3px; height: 30px; border: 0; border-radius: 2px; background: var(--signal-brass); }
.ruler input:focus-visible::-webkit-slider-thumb { background: var(--accentOnDark-cyan); }
.ticks { list-style: none; margin: 0; padding: 0; position: absolute; inset: 0; pointer-events: none; }
.ticks li { position: absolute; top: 10px; height: 10px; border-inline-start: 1px solid var(--hair); }
.ticks li.major { top: 6px; height: 18px; border-color: color-mix(in srgb, var(--signal-brass) 70%, transparent); }
.ticks li span { position: absolute; top: 24px; transform: translateX(-50%); white-space: nowrap;
  font: 500 10.5px var(--mono); letter-spacing: .1em; color: var(--textOnDark-tertiary); }
.ticks li.first span { transform: none; }
.ticks li.last span { transform: translateX(-100%); }
.ticks li.change { top: 13px; height: 4px; border-color: color-mix(in srgb, var(--accentOnDark-cyan) 55%, transparent); }

/* ── Layers card ─────────────────────────────────────────────────────────── */
.layers {
  position: fixed; inset: auto auto clamp(16px, 3vh, 28px) clamp(16px, 3vw, 36px); z-index: 10; max-width: 300px;
  background: var(--glass); backdrop-filter: blur(14px); border: 1px solid var(--hair); border-radius: 4px;
  padding: 12px 14px; font: 500 12.5px var(--mono);
}
.layers-toggle { all: unset; cursor: pointer; font: 500 11px var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--signal-brass); }
.layers ul { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 7px; }
.layers label { display: grid; grid-template-columns: auto auto 1fr auto; align-items: center; gap: 8px; cursor: pointer; }
.layers b { font-weight: 500; color: var(--textOnDark-secondary); font-variant-numeric: tabular-nums; }
.layers input { accent-color: var(--signal-brass); margin: 0; }
.sw { width: 14px; height: 10px; border-radius: 2px; }
.sw-states { background: color-mix(in srgb, var(--signal-brass) 45%, transparent); border: 1px solid var(--surface-paper); }
.sw-cultures { border: 1px dashed var(--accentOnDark-cyan); }
.sw-sites { width: 10px; border-radius: 50%; background: var(--signal-brass); }
.sw-undated { width: 10px; border-radius: 50%; border: 1.5px solid var(--textOnDark-secondary); }
.sw-video { width: 10px; border-radius: 50%; box-shadow: 0 0 0 3px color-mix(in srgb, var(--signal-cyan) 60%, transparent); background: var(--signal-brass); }
.credits { margin: 10px 0 0; padding-top: 9px; border-top: 1px solid var(--hair); font: 400 10.5px/1.55 var(--mono); color: var(--textOnDark-tertiary); }
.credits a { color: inherit; }
.layers.collapsed ul, .layers.collapsed .credits { display: none; }

.zoom { position: fixed; inset: auto clamp(16px, 3vw, 36px) clamp(16px, 3vh, 28px) auto; z-index: 10; display: grid; gap: 8px; }

/* ── The panel: evidence sits on archival paper ─────────────────────────── */
.panel {
  position: fixed; z-index: 20; inset: calc(var(--bar-h) + 12px) clamp(16px, 3vw, 36px) clamp(16px, 3vh, 28px) auto;
  width: min(420px, calc(100vw - 32px)); overflow: auto; overscroll-behavior: contain;
  background: var(--surface-paper); color: var(--textOnPaper-primary);
  border-radius: 3px; padding: 26px 26px 30px;
  box-shadow: 0 30px 80px -20px color-mix(in srgb, var(--surface-deep) 90%, transparent);
  animation: panelIn .45s cubic-bezier(.16, 1, .3, 1);
}
@keyframes panelIn { from { opacity: 0; transform: translateX(24px); } }
.close { position: absolute; inset: 12px 12px auto auto; width: 34px; height: 34px; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--textOnPaper-primary) 30%, transparent);
  background: transparent; color: var(--textOnPaper-primary); font-size: 20px; cursor: pointer; }
.panel .kick { font: 500 11px var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--signal-red); margin: 0 0 10px; }
.panel h2 { font: 400 clamp(34px, 3.4vw, 44px)/.95 var(--serif); letter-spacing: -.02em; margin: 0 0 10px; }
.panel .sub { margin: 0 0 16px; color: var(--textOnPaper-secondary); }
.panel .when-line { font: 500 12px/1.6 var(--mono); padding: 10px 0; border-block: 1px solid color-mix(in srgb, var(--textOnPaper-primary) 18%, transparent); margin: 0 0 16px; }
.panel .when-line q { font-family: var(--sans); font-style: italic; color: var(--textOnPaper-secondary); }
.panel video { width: 100%; border-radius: 2px; background: var(--surface-deep); aspect-ratio: 16 / 9; display: block; }
.panel .credit { font: 400 11px/1.5 var(--mono); color: var(--textOnPaper-tertiary); margin: 6px 0 18px; }
.panel ol.sents { margin: 0 0 18px; padding-inline-start: 18px; }
.panel ol.sents li { margin: 0 0 8px; }
.panel .story-actions { display: flex; align-items: center; gap: 12px; margin: 0 0 16px; font: 500 11px var(--mono); }
.panel .story-actions button { cursor: pointer; color: var(--textOnPaper-primary); border: 1px solid var(--signal-brass); background: transparent; padding: 8px 11px; font: inherit; }
.panel .story-actions button[aria-pressed="true"] { background: var(--signal-brass); }
.panel .story-actions span { color: var(--textOnPaper-secondary); }
.panel .sentence-evidence { margin: 5px 0 12px; font: 400 11px/1.55 var(--mono); color: var(--textOnPaper-secondary); }
.panel .sentence-evidence summary { cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.panel .sentence-evidence q { display: block; margin: 7px 0 0; padding-inline-start: 12px; border-inline-start: 2px solid var(--signal-brass); font-family: var(--sans); }
.panel .badge { display: inline-block; font: 500 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase;
  padding: 3px 7px; border: 1px solid currentColor; border-radius: 2px; color: var(--textOnPaper-secondary); }
.panel h3 { font: 500 11px var(--mono); letter-spacing: .16em; text-transform: uppercase; margin: 20px 0 8px; color: var(--textOnPaper-secondary); }
.panel ul.src { list-style: none; margin: 0; padding: 0; font: 400 12.5px/1.6 var(--mono); }
.panel a { color: var(--textOnPaper-primary); }
.panel .sites { list-style: none; padding: 0; margin: 0; }
.panel .sites button { all: unset; cursor: pointer; display: block; padding: 7px 0; border-bottom: 1px solid color-mix(in srgb, var(--textOnPaper-primary) 12%, transparent); width: 100%; }
.panel .sites button:hover { color: var(--signal-red); }
.panel .emblem { display: grid; grid-template-columns: 64px 1fr; gap: 12px; align-items: center; margin: 0 0 12px; }
.panel .emblem img { width: 64px; height: auto; max-height: 64px; object-fit: contain; background: color-mix(in srgb, var(--textOnPaper-primary) 6%, transparent); border-radius: 2px; }
.panel .emblem figcaption { font: 400 10.5px/1.5 var(--mono); color: var(--textOnPaper-tertiary); }
.panel .note { font: 400 12px/1.55 var(--mono); color: var(--textOnPaper-tertiary); }

.maplibregl-popup-content { background: var(--glass); color: var(--textOnDark-primary); border: 1px solid var(--hair); border-radius: 3px;
  font: 500 12px var(--mono); padding: 6px 10px; backdrop-filter: blur(10px); }
.maplibregl-popup-tip { display: none; }
.noscript { position: fixed; inset: 40% 0 auto; text-align: center; }

/* ── Phones ──────────────────────────────────────────────────────────────── */
@media (max-width: 760px) {
  :root { --bar-h: 150px; }
  .bar { grid-template-columns: 1fr auto; column-gap: 12px; row-gap: 2px; padding-top: 10px; }
  .when { grid-row: 2; grid-column: 1; }
  .status { grid-row: 3; grid-column: 1 / -1; margin: 0; font-size: 11px; }
  .transport { grid-row: 2; grid-column: 2; }
  .pill { display: none; }
  .ruler { grid-row: 4; }
  .ticks li span { font-size: 9.5px; }
  .ticks li.minor span { display: none; }
  .panel { inset: auto 0 0 0; width: 100%; max-height: 70vh; border-radius: 14px 14px 0 0; animation-name: sheetIn; }
  @keyframes sheetIn { from { transform: translateY(40px); opacity: 0; } }
  .layers { max-width: calc(100vw - 110px); }
  .zoom { bottom: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Sources and credits: present, reachable, out of the way. */
.panel details.fold { margin: 22px 0 0; border-top: 1px solid var(--hair-paper, rgba(0,0,0,.12)); padding-top: 10px; }
.panel details.fold summary { cursor: pointer; font: 500 12.5px var(--mono); color: var(--textOnPaper-secondary); }
.panel details.fold[open] summary { margin-bottom: 8px; }

/* Rise and fall */
.panel .rise { margin: 18px 0 8px; }
.rise-chart { display: block; width: 100%; height: 96px; cursor: pointer; margin: 8px 0 6px; }
.rise-area { fill: color-mix(in srgb, var(--signal-brass) 26%, transparent); }
.rise-line { fill: none; stroke: var(--signal-brass); stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.rise-now { stroke: var(--signal-red); stroke-width: 2; vector-effect: non-scaling-stroke; }
.rise-cap { font: 500 13.5px/1.5 var(--sans); margin: 0 0 10px; min-height: 1.5em; }
.rise-cap .up { color: var(--signal-cyan-deep, var(--signal-cyan)); }
.rise-cap .down { color: var(--signal-red); }
.rise-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.panel .pill.ghost { background: transparent; }

.lockup .seal { width: 34px; height: 34px; flex: none; align-self: center; margin-inline-end: 4px; }

/* Rise & fall: the way in, the list, the caption over the map */
.pill.rise-open { background: var(--signal-brass); color: var(--surface-deep); border-color: var(--signal-brass); font-weight: 600; }
.rise-search input { width: 100%; box-sizing: border-box; height: 44px; border-radius: 22px; padding: 0 16px; margin: 12px 0;
  border: 1px solid color-mix(in srgb, var(--surface-deep) 25%, transparent); background: transparent; color: inherit; font: 500 15px var(--sans); }
.rise-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.rise-list button { all: unset; box-sizing: border-box; cursor: pointer; width: 100%; display: grid; grid-template-columns: 120px 1fr; gap: 12px; align-items: center;
  padding: 8px 10px; border-radius: 6px; border: 1px solid transparent; }
.rise-list button:hover, .rise-list button:focus-visible { border-color: var(--signal-brass); background: color-mix(in srgb, var(--signal-brass) 10%, transparent); }
.rise-list b { display: block; font: 600 15px/1.25 var(--sans); }
.rise-list small { display: block; font: 500 12px var(--mono); opacity: .85; margin-top: 2px; }
.spark { width: 120px; height: 30px; display: block; }
.spark path { fill: color-mix(in srgb, var(--signal-brass) 55%, transparent); stroke: var(--signal-brass); stroke-width: 1; }
.dyn-link { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: center; margin: 16px 0; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--signal-brass); text-decoration: none; color: inherit; }
.dyn-link img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; border: 2px solid var(--signal-brass); }
.dyn-link b { display: block; font: 600 15px/1.3 var(--sans); }
.dyn-link small { font: 500 12.5px var(--mono); color: var(--signal-brass); }
.rise-chart { height: 130px; }
.rise-hud { position: fixed; left: 50%; bottom: calc(28px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); z-index: 5;
  display: flex; flex-wrap: wrap; justify-content: center; align-items: baseline; gap: 6px 18px; padding: 14px 24px; max-width: calc(100vw - 32px); box-sizing: border-box;
  border-radius: 14px; background: color-mix(in srgb, var(--surface-deep) 82%, transparent); backdrop-filter: blur(10px);
  border: 1px solid var(--signal-brass); color: var(--textOnDark-primary); pointer-events: none; }
.rise-hud .h-name { font: 400 22px var(--serif); color: var(--signal-brass); }
.rise-hud .h-year { font: 400 40px/1 var(--serif); }
.rise-hud .h-area { font: 600 18px var(--sans); }
.rise-hud .h-ch { font: 600 16px var(--mono); }
.rise-hud .up { color: var(--signal-cyan); }
.rise-hud .down { color: var(--signal-red); }
@media (max-width: 760px) { .rise-hud .h-year { font-size: 30px; } .rise-hud { bottom: calc(90px + env(safe-area-inset-bottom, 0px)); } }
.rise-hud[hidden] { display: none; }
@media (min-width: 761px) { body:has(#panel:not([hidden])) .rise-hud { left: calc((100% - min(460px, 40%)) / 2); } }
.correction-link { margin: 1.2rem 0 0; font-size: .8rem; }
.correction-link a { color: var(--gold, #c7a16a); text-underline-offset: .2em; }