/* The Atkinson Hyperlegible font is loaded by js/demos.js from js/assets-inline.js. */

:root {
  --ink: #1d2130;
  --muted: #535a6e;
  --paper: #ffffff;
  --soft: #f3f4f8;
  --line: #d9dce6;
  --off: #b3261e;
  --on: #1f6f43;
  --accent: #2f5fd0;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Atkinson", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.45;
  font-size: 17px;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 16px; }

.intro h1 { font-size: 1.6rem; line-height: 1.2; margin: 0.2em 0 0.3em; }
.intro p { margin: 0.4em 0; color: var(--muted); }

.toc { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 12px 0 4px; list-style: none; }
.toc a {
  display: inline-block; padding: 4px 10px; border-radius: 999px; background: var(--soft);
  border: 1px solid var(--line); color: var(--ink); text-decoration: none; font-size: 0.9rem;
}
.toc a:hover { border-color: var(--accent); }

.trick {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  margin: 22px 0;
  background: var(--paper);
  scroll-margin-top: 12px;
}
.trick h2 { font-size: 1.3rem; margin: 0; line-height: 1.2; }
.trick h2 .num { color: var(--muted); font-weight: 400; margin-right: 4px; }
.trick .helps { margin: 4px 0 0; font-size: 0.92rem; color: var(--muted); }
.trick .lead { margin: 6px 0 10px; font-size: 0.98rem; }

.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.panel { margin: 0; min-width: 0; }
.tag {
  display: flex; align-items: center; gap: 6px;
  font-weight: 700; font-size: 0.85rem; letter-spacing: 0.04em; text-transform: uppercase;
  margin-bottom: 4px;
}
.panel.off .tag { color: var(--off); }
.panel.on .tag { color: var(--on); }
.tag .dot { width: 18px; height: 18px; border-radius: 50%; display: inline-grid; place-items: center; color: #fff; font-size: 12px; }
.panel.off .dot { background: var(--off); }
.panel.on .dot { background: var(--on); }

.stage {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: #101422; aspect-ratio: 16 / 9; touch-action: manipulation;
  outline-offset: 3px;
}
.panel.off .stage { box-shadow: 0 0 0 3px #f2c6c3; }
.panel.on .stage { box-shadow: 0 0 0 3px #bfe3cc; }
.stage canvas { display: block; width: 100%; height: 100%; }
.stage.playable { cursor: crosshair; }
.stage:focus-visible { outline: 3px solid var(--accent); }

.badge {
  margin-left: auto; padding: 1px 8px; border-radius: 999px;
  background: var(--ink); color: #fff; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0; text-transform: none;
}
.badge[hidden] { display: none; }

.poster {
  position: absolute; inset: 0; display: grid; place-items: center; text-align: center;
  background: rgba(16, 20, 34, 0.9); color: #fff; padding: 10px; font-size: 0.9rem;
}
.poster button { margin-top: 6px; }
.poster[hidden] { display: none; }

.cap {
  margin: 6px 2px 0; font-size: 0.9rem; line-height: 1.35; min-height: 3.9em;
}

.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 8px; }
button, .btn {
  font: inherit; font-size: 0.9rem; font-weight: 700;
  padding: 7px 12px; min-height: 40px; border-radius: 8px; cursor: pointer;
  border: 1px solid #b9bfd0; background: var(--soft); color: var(--ink);
}
button:hover { border-color: var(--accent); }
button:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }

.lens { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; cursor: pointer; }
.lens input { width: 20px; height: 20px; margin: 0; accent-color: var(--accent); }

.extra { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-top: 8px; font-size: 0.9rem; }
.extra:empty { display: none; }
.extra label { display: flex; align-items: center; gap: 8px; }
.extra input[type="range"] { width: 150px; accent-color: var(--on); }
.extra output { font-weight: 700; min-width: 3.2em; }

.hint { font-size: 0.88rem; color: var(--accent); font-weight: 700; margin: 6px 0 0; }
.hint:empty { display: none; }

.metrics { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 0.82rem; }
.metrics caption { text-align: left; font-weight: 700; color: var(--muted); padding-bottom: 2px; }
.metrics th, .metrics td { text-align: left; padding: 3px 6px; border-top: 1px solid var(--line); vertical-align: top; }
.metrics thead th { color: var(--muted); font-weight: 700; border-top: 0; }
.metrics td.bad { color: var(--off); }
.metrics td.good { color: var(--on); }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

footer { font-size: 0.85rem; color: var(--muted); margin: 20px 0 8px; }
footer a { color: var(--accent); }

/* Phone: stack the two moments so each stays big enough to read. */
@media (max-width: 540px) {
  .wrap { padding: 10px; }
  .trick { padding: 10px; border-radius: 12px; }
  .pair { grid-template-columns: 1fr; gap: 12px; }
  .cap { min-height: 0; }
}

/* Solo embed: ?trick=<id>&solo */
body.solo .intro, body.solo footer, body.solo .trick:not(.current) { display: none; }
body.solo .wrap { padding: 8px; }
body.solo .trick { margin: 0; }