/* LoomBench: the shared look. Light only; system sans; one blue means "told a goal". */

:root {
  color-scheme: light;
  --page: #f9f9f7; --surface: #fcfcfb; --ink: #0b0b0b; --ink-2: #52514e; --muted: #898781; --hairline: #e1e0d9; --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10); --told: #2a78d6; --untold: #9ec5f4;
  --split-goal: #2a78d6; --split-personality: #eb6834; --split-both: #1baf7a; --split-rest: #d9d8d2;
  --good: #0ca30c; --good-text: #006300; --critical: #d03b3b;
  --seat-0: #e34948; --seat-1: #1baf7a; --seat-2: #2a78d6; --seat-3: #e87ba4; --seat-4: #eda100;
  --radius: 10px; --gap: 16px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0; background: var(--page); color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  overflow-wrap: break-word; -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--ink); text-underline-offset: 3px; }
canvas, img { max-width: 100%; }
:focus-visible { outline: 2px solid var(--told); outline-offset: 2px; }

.page { max-width: 1120px; margin: 0 auto; padding: 28px 24px 96px; }

/* top bar */
.topbar {
  display: flex; flex-direction: column; gap: 10px;
  padding-bottom: 14px; border-bottom: 1px solid var(--hairline);
}
.topbar-main {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 24px;
}
.topbar .who { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.topbar .brand { font-weight: 600; color: var(--ink); text-decoration: none; }
.topbar .tag { font-size: 14px; color: var(--muted); }
.topbar nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.topbar nav a { white-space: nowrap; color: var(--ink-2); text-decoration: none; }
.topbar nav a:hover, .topbar .brand:hover { color: var(--ink); text-decoration: underline; }
.topbar nav a.on { color: var(--ink); font-weight: 600; text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1.5px; }
.topbar .subnav {
  display: flex; flex-wrap: wrap; gap: 6px; padding-top: 10px; border-top: 1px solid var(--hairline); font-size: 13px;
}
.topbar .subnav a {
  padding: 4px 11px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
  color: var(--ink-2); text-decoration: none;
}
.topbar .subnav a:hover { border-color: var(--axis); color: var(--ink); text-decoration: none; }
.topbar .subnav a.on {
  background: var(--ink); border-color: var(--ink); color: #fff; font-weight: 600; text-decoration: none;
}

/* type */
h1 { font-size: 30px; line-height: 1.2; font-weight: 600; margin: 28px 0 10px; letter-spacing: -0.01em; }
h2 { font-size: 19px; line-height: 1.3; font-weight: 600; margin: 56px 0 8px; }
.card h2 { font-size: 16px; margin: 0 0 6px; }
.lede { font-size: 17px; color: var(--ink-2); max-width: 68ch; margin: 0 0 8px; }
.sub { font-size: 14px; color: var(--ink-2); max-width: 72ch; margin: 0 0 16px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* cards and stat tiles */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; min-width: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--gap); margin: 24px 0; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--gap); margin: 24px 0; }
.tile {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px;
  display: flex; flex-direction: column; gap: 4px; min-width: 0;
}
.tile .label { font-size: 13px; color: var(--ink-2); }
.tile .value { font-size: 34px; font-weight: 600; line-height: 1.1; font-variant-numeric: proportional-nums; }
.tile .note { font-size: 13px; color: var(--muted); }
.tile.hero .value { font-size: 56px; }

/* chips, dots, marks */
.chip {
  display: inline-block; font-size: 12px; line-height: 18px; padding: 2px 9px; white-space: nowrap;
  border: 1px solid var(--hairline); border-radius: 999px; color: var(--ink-2); background: var(--surface);
}
.chip.goal { border-color: var(--told); color: #1c5cab; }
.dot {
  display: inline-block; flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--muted); vertical-align: middle;
}
.dot.seat-0 { background: var(--seat-0); }
.dot.seat-1 { background: var(--seat-1); }
.dot.seat-2 { background: var(--seat-2); }
.dot.seat-3 { background: var(--seat-3); }
.dot.seat-4 { background: var(--seat-4); }
/* a swatch of an agent's starting design: the key to the woven output */
.swatch { display: inline-block; flex: none; vertical-align: middle; border-radius: 3px; border: 1px solid var(--border); image-rendering: pixelated; }
.reached, .missed { display: inline-flex; align-items: baseline; gap: 5px; font-size: 13px; color: var(--ink-2); white-space: nowrap; }
.reached .sym { color: var(--good-text); font-weight: 600; }
.missed .sym { color: var(--critical); font-weight: 600; }

/* buttons and form controls */
.btn {
  display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500; line-height: 1.2;
  color: #fff; background: var(--ink); border: 1px solid var(--ink); border-radius: 8px; padding: 8px 16px;
  cursor: pointer; text-decoration: none;
}
.btn:not(:disabled):hover { opacity: 0.88; }
.btn.quiet { color: var(--ink); background: var(--surface); border-color: var(--axis); }
.btn.quiet:not(:disabled):hover { opacity: 1; background: var(--page); }
.btn:disabled, .btn[disabled] { opacity: 0.4; cursor: not-allowed; }
select, input[type=number] {
  font-size: 14px; color: var(--ink); background: var(--surface); border: 1px solid var(--axis); border-radius: 8px;
  padding: 7px 10px; min-height: 36px; max-width: 100%;
}
select {
  -webkit-appearance: none; appearance: none; padding-right: 32px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%2352514e' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 11px center;
}
input[type=number] { width: 120px; font-variant-numeric: tabular-nums; }
input[type=range] { width: 100%; max-width: 420px; margin: 0; accent-color: var(--ink); }

/* layout helpers */
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.spread { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }

/* tracks: a 0 to 100 scale, a hollow dot at "from" and a filled dot at "to" */
.track { position: relative; height: 6px; margin: 0 6px; border-radius: 3px; background: var(--hairline); }
.track .link {
  position: absolute; top: 50%; height: 2px; transform: translateY(-50%); background: var(--told);
}
.track .from, .track .to {
  position: absolute; top: 50%; width: 10px; height: 10px; border-radius: 50%; transform: translate(-50%, -50%);
}
.track .from { background: var(--surface); border: 2px solid var(--told); box-sizing: border-box; }
.track .to { background: var(--told); box-shadow: 0 0 0 2px var(--surface); }

/* split bar: the four shares of a score's spread */
.splitbar {
  display: flex; gap: 2px; height: 14px; border-radius: 4px; overflow: hidden; background: var(--surface);
}
.seg { flex: 0 0 0; min-width: 0; height: 100%; }
.seg.goal, .sw.goal { background: var(--split-goal); }
.seg.personality, .sw.personality { background: var(--split-personality); }
.seg.both, .sw.both { background: var(--split-both); }
.seg.rest, .sw.rest { background: var(--split-rest); }
.splitbar.none {
  height: auto; padding: 1px 8px; background: none; border: 1px dashed var(--axis); border-radius: 4px;
  font-size: 13px; line-height: 20px; color: var(--ink-2);
}
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0 0 10px; }
.legend .key { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-2); }
.sw { display: inline-block; flex: none; width: 10px; height: 10px; border-radius: 2px; }

/* tables */
.scroll { overflow-x: auto; max-width: 100%; margin: 16px 0; }
.grid { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
.scroll > .grid { min-width: 640px; }
.grid th, .grid td { padding: 12px; text-align: left; vertical-align: middle; border-bottom: 1px solid var(--hairline); }
.grid th { font-size: 13px; font-weight: 500; color: var(--ink-2); vertical-align: bottom; }
.grid th:first-child, .grid td:first-child { padding-left: 0; }
.grid td:first-child { font-weight: 600; }
.grid td:first-child .small { display: block; font-weight: 400; margin-top: 2px; }
.grid .pick { cursor: pointer; }
.grid .pick:hover { background: rgba(42, 120, 214, 0.06); }
.grid .pick.on { outline: 1px solid var(--told); outline-offset: -1px; }
.grid .cell { display: flex; align-items: center; gap: 12px; min-width: 150px; }
/* the persona-by-objective heatmap: each cell filled with its colour, 2px of the page between cells */
.grid td.heat { padding: 10px; border-bottom: 0; box-shadow: inset 0 0 0 1px var(--page); }
.grid .heatcell { display: flex; align-items: baseline; justify-content: center; gap: 8px; min-width: 120px; }
.grid .heatcell .num { font-weight: 600; font-size: 15px; }
.grid .heatcell .base { font-size: 12px; }
.grid td.heat.pick:hover, .grid td.heat.pick.on { outline: 2px solid var(--ink); outline-offset: -3px; }
.grid tr.all td { border-bottom: 0; }
.heat-scale { display: flex; align-items: center; gap: 8px; margin: 6px 0 0; }
.heat-scale .heat-bar { width: 160px; height: 8px; border-radius: 4px; background: linear-gradient(to right, #f0efec, #cde2fb, #b7d3f6, #9ec5f4, #86b6ef, #6da7ec, #5598e7, #3987e5, #2a78d6, #256abf, #1c5cab, #184f95, #104281, #0d366b); }
.grid .cell .track { flex: 1; }
.grid .cell .num { flex: none; width: 2.5em; text-align: right; color: var(--ink); }

/* gallery of match thumbnails */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--gap); margin: 16px 0; }
.thumb {
  display: block; min-width: 0; padding: 10px; color: var(--ink); text-decoration: none;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); transition: border-color 0.15s;
}
.thumb:hover { border-color: var(--axis); }
.thumb img, .thumb .pic { display: block; width: 100%; height: auto; border-radius: 6px; background: var(--hairline); }
.thumb .pic { aspect-ratio: 1 / 1; }
.thumb .caption { margin: 10px 2px 6px; font-size: 14px; font-weight: 600; }
.thumb .line {
  display: flex; align-items: center; gap: 6px; min-width: 0; margin: 0 2px;
  font-size: 13px; color: var(--ink-2); white-space: nowrap;
}
.thumb .line > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.thumb .line .dot, .thumb .line .reached, .thumb .line .missed { flex: none; }
.thumb .line .score { flex: none; margin-left: auto; color: var(--ink); font-variant-numeric: tabular-nums; }

/* tooltip: one fixed box that follows the pointer */
.tooltip {
  position: fixed; z-index: 50; max-width: 280px; padding: 8px 10px; pointer-events: none;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px; line-height: 1.4; color: var(--ink);
}

/* a quiet disclosure for how a figure is measured */
details.method { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--hairline); }
details.method > summary { cursor: pointer; font-size: 14px; color: var(--ink-2); }
details.method > summary:hover { color: var(--ink); }
details.method > :not(summary) { font-size: 14px; color: var(--ink-2); max-width: 72ch; margin: 10px 0 0; }

/* a question's options, weighted; the chosen one in blue and bold */
.bars { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; }
.bar { display: grid; gap: 6px; }
.bar .opt { font-size: 14px; }
.bar .bar-row { display: flex; align-items: center; gap: 12px; }
.bar .bar-track { flex: 1; height: 6px; border-radius: 3px; background: var(--hairline); overflow: hidden; }
.bar .fill { display: block; height: 100%; border-radius: 3px; background: var(--axis); }
.bar .w { flex: none; width: 3.5em; text-align: right; font-size: 13px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.bar.chosen .fill { background: var(--told); }
.bar.chosen .opt { font-weight: 600; }

/* small screens: one column, a 16px gutter; only .scroll tables scroll sideways */
@media (max-width: 759px) {
  .page { padding: 20px 16px 72px; }
  .cards, .tiles { grid-template-columns: 1fr; }
  .topbar nav { gap: 6px 16px; }
  h1 { font-size: 26px; }
}