/* Layout: the mosaic sits on the left as a map you tap to identify each tile; the record of who made it runs on the right. Stacks on phones. */
:root {
  --paper: #eef1f4;
  --surface: #ffffff;
  --ink: #10243d;
  --muted: #4d5e73;
  --rule: #cfd7e1;
  --accent: #b3302a;
  --on-accent: #ffffff;
  --steel: #4f7aa3;
  --dim: rgba(9, 20, 36, 0.8);
  --mark-a: #ffffff;
  --mark-b: #0b1828;
  --display: "Big Shoulders Display", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "Public Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0b1828; --surface: #11233a; --ink: #efe6d5; --muted: #a9b5c4; --rule: #24384f;
    --accent: #e0574c; --on-accent: #0b1828; --steel: #8fb3d6; --dim: rgba(3, 9, 18, 0.82);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0b1828; --surface: #11233a; --ink: #efe6d5; --muted: #a9b5c4; --rule: #24384f;
  --accent: #e0574c; --on-accent: #0b1828; --steel: #8fb3d6; --dim: rgba(3, 9, 18, 0.82);
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { background: var(--paper); color: var(--ink); font: 400 16px/1.55 var(--body); margin: 0; }
a { color: inherit; text-decoration-color: color-mix(in srgb, currentColor 40%, transparent); text-underline-offset: 2px; }
a:hover { text-decoration-color: currentColor; }
:focus-visible { outline: 2px solid var(--steel); outline-offset: 2px; }
button { font: inherit; color: inherit; }

.wrap { max-width: 1240px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

/* masthead */
.masthead-bar { border-bottom: 1px solid var(--rule); }
.masthead { display: inline-block; padding-block: 14px; font: 800 1.15rem/1 var(--display); letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink); text-decoration: none; }
.masthead s { text-decoration-color: var(--accent); text-decoration-thickness: 3px; }

/* header */
.top { padding-block: 36px 30px; border-bottom: 1px solid var(--rule); }
.eyebrow { font: 700 0.76rem/1 var(--body); letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin: 0; }
h1 { font: 900 clamp(2.5rem, 6.2vw, 4.7rem)/0.94 var(--display); text-transform: uppercase; letter-spacing: 0.004em; margin: 14px 0 18px; max-width: 15ch; text-wrap: balance; }
.dek { max-width: 62ch; font-size: 1.07rem; margin: 0; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 36px; margin: 26px 0 0; padding: 0; list-style: none; }
.facts li { display: grid; gap: 4px; }
.facts b { font: 800 2.1rem/1 var(--display); font-variant-numeric: tabular-nums; }
.facts span { font-size: 0.76rem; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; }

/* two columns */
.layout { display: grid; gap: 36px; padding-block: 28px 72px; }
@media (min-width: 960px) {
  .layout { grid-template-columns: min(470px, max(300px, calc((100vh - 330px) * 0.6667))) minmax(0, 1fr); gap: 56px; align-items: start; }
  .left { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 16px); }
}
.left { min-width: 0; }
.right { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 52px; }
.right > section { min-width: 0; }

/* viewer */
.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 10px; }
.seg { display: inline-flex; border: 1px solid var(--rule); border-radius: 999px; overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: transparent; padding: 7px 14px; font-size: 0.86rem; font-weight: 600; cursor: pointer; font-variant-numeric: tabular-nums; }
.seg button + button { border-left: 1px solid var(--rule); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.ghost { border: 1px solid var(--rule); background: var(--surface); border-radius: 999px; padding: 7px 14px; font-size: 0.86rem; font-weight: 600; cursor: pointer; }
.ghost:hover, .seg button:hover:not([aria-pressed="true"]) { background: color-mix(in srgb, var(--steel) 14%, var(--surface)); }

.viewer { position: relative; width: 100%; aspect-ratio: 2 / 3; overflow: hidden; background: var(--surface); border: 1px solid var(--rule); scrollbar-width: thin; }
.viewer.zoomed { overflow: auto; cursor: grab; }
.viewer.dragging { cursor: grabbing; }
.stage { position: relative; width: 100%; aspect-ratio: 2 / 3; }
.stage img { display: block; width: 100%; height: 100%; user-select: none; -webkit-user-drag: none; -webkit-touch-callout: none; }
#spot { position: absolute; inset: 0; width: 100%; height: 100%; image-rendering: pixelated; image-rendering: crisp-edges; pointer-events: none; }
.mark { position: absolute; pointer-events: none; }
.mark.sel { outline: 2px solid var(--mark-a); box-shadow: 0 0 0 4px var(--mark-b), 0 0 18px 6px rgba(0, 0, 0, 0.45); z-index: 3; }
.mark.twin { outline: 2px dashed var(--mark-a); box-shadow: 0 0 0 3px var(--mark-b); z-index: 2; }
.mark.hov { outline: 1px solid var(--mark-a); box-shadow: 0 0 0 2px var(--mark-b); z-index: 1; }
.hint { font-size: 0.82rem; color: var(--muted); margin: 8px 0 0; }
.legend { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin-top: 10px; font-size: 0.86rem; font-weight: 600; }
.legend .ghost { padding: 4px 11px; font-size: 0.8rem; }

/* selected tile */
.card { margin-top: 12px; background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 14px; display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 14px; align-items: start; }
.thumb { width: 112px; height: 112px; display: grid; place-items: center; background: var(--paper); border-radius: 3px; overflow: hidden; }
.thumb canvas { display: block; max-width: 100%; max-height: 100%; width: auto; height: auto; }
.card-text { min-width: 0; display: grid; gap: 3px; font-size: 0.9rem; }
.coord { font: 700 0.72rem/1.2 var(--body); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); font-variant-numeric: tabular-nums; }
.card h2 { font: 600 0.98rem/1.3 var(--body); margin: 2px 0 2px; overflow-wrap: anywhere; }
.card p { margin: 0; color: var(--muted); }
.card p strong { color: var(--ink); font-weight: 600; }
@media (max-width: 420px) { .card { grid-template-columns: 96px minmax(0, 1fr); } .thumb { width: 96px; height: 96px; } }

/* sections */
.sec-head { display: grid; gap: 8px; margin-bottom: 18px; }
h2.sec { font: 800 clamp(1.8rem, 3.4vw, 2.3rem)/1 var(--display); text-transform: uppercase; margin: 0; }
.sec-head p { margin: 0; max-width: 62ch; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip { border: 1px solid var(--rule); background: var(--surface); border-radius: 999px; padding: 6px 12px; font-size: 0.86rem; font-weight: 600; line-height: 1.2; cursor: pointer; }
.chip span { color: var(--muted); font-weight: 400; margin-left: 6px; font-variant-numeric: tabular-nums; }
.chip:hover { border-color: var(--steel); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.chip[aria-pressed="true"] span { color: inherit; }

.controls { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 240px); gap: 8px; }
@media (max-width: 560px) { .controls { grid-template-columns: minmax(0, 1fr); } }
.controls label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.controls input, .controls select { width: 100%; font: 400 16px/1.3 var(--body); color: var(--ink); background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 10px 12px; }
.status { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin: 12px 0 4px; font-size: 0.86rem; color: var(--muted); }
.status .ghost { padding: 4px 11px; font-size: 0.8rem; color: var(--ink); }

.grp { content-visibility: auto; contain-intrinsic-block-size: auto 900px; padding-top: 22px; }
.grp h3 { font: 800 1.35rem/1.1 var(--display); text-transform: uppercase; margin: 0 0 8px; display: flex; align-items: baseline; gap: 10px; }
.grp h3 span { font: 600 0.8rem/1 var(--body); color: var(--muted); font-variant-numeric: tabular-nums; }
ol.credits { list-style: none; margin: 0; padding: 0; }
.credit { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 16px; padding: 10px 0; border-top: 1px solid var(--rule); }
.credit .ct { grid-column: 1; font-weight: 600; text-decoration: none; overflow-wrap: anywhere; }
.credit .ct:hover { text-decoration: underline; }
.credit .cm { grid-column: 1; margin: 0; font-size: 0.88rem; color: var(--muted); }
.who { background: none; border: 0; padding: 0; color: var(--ink); text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 2px; cursor: pointer; }
.who:hover { text-decoration-color: currentColor; }
.find { grid-column: 2; grid-row: 1 / span 2; align-self: center; border: 1px solid var(--rule); background: var(--surface); border-radius: 999px; padding: 5px 12px; font-size: 0.8rem; font-weight: 600; cursor: pointer; white-space: nowrap; }
.find:hover { border-color: var(--steel); }
.find span { color: var(--muted); font-weight: 400; }
@media (max-width: 560px) { .credit { grid-template-columns: minmax(0, 1fr); } .find { grid-column: 1; grid-row: auto; justify-self: start; margin-top: 6px; } }
.empty { color: var(--muted); padding-top: 16px; }

.licenses { list-style: none; margin: 0 0 18px; padding: 0; border-top: 1px solid var(--rule); }
.licenses li { display: flex; justify-content: space-between; gap: 16px; padding: 9px 0; border-bottom: 1px solid var(--rule); }
.licenses b { font-variant-numeric: tabular-nums; font-weight: 600; }
.notes { display: grid; gap: 12px; max-width: 64ch; }
.notes p { margin: 0; }
footer { border-top: 1px solid var(--rule); padding-block: 22px 40px; font-size: 0.82rem; color: var(--muted); }

@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }