/* WWM Code Scroll.
 *
 * Two grounds, and each one has a reason. The HUD is an overlay that lives on
 * a game screen, so it gets a dark band. Everything else is the manual, and a
 * manual belongs on paper. The greys inside the HUD replica are lifted
 * straight out of HudWindow.xaml -- if the app is restyled, this is wrong,
 * and it should be.
 */

:root {
  --screen: #171b22;
  --screen-deep: #10141a;
  --paper: #e6e4dc;
  --paper-sink: #dedbd0;
  --ink: #22272d;
  --ink-soft: #565e68;
  --jade: #3d8f74;
  --jade-lift: #57a98d;
  --rule: #c9c4b6;

  /* the app's own palette */
  --hud-bg: #34343c;
  --hud-edge: #4a4a54;
  --hud-text: #e8e8ee;
  --hud-dim: #8a8a96;
  --hud-close: #c42b1c;

  --measure: 68ch;
  /* ONE LEFT EDGE down the whole page. The hero and the manual used to be
   * two centred blocks of different widths, so the text stepped inward by
   * 140px at the paper join. They share a frame now; the measure only limits
   * the line length INSIDE it. */
  --frame: 54rem;
  --serif: "Spectral", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.75;
}

a {
  color: #1f6f58;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}
a:hover {
  color: var(--jade);
}

:focus-visible {
  outline: 2px solid var(--jade-lift);
  outline-offset: 3px;
}

kbd {
  font-family: var(--mono);
  font-size: 0.78em;
  font-weight: 600;
  padding: 0.12em 0.42em;
  border-radius: 4px;
  background: #0000000f;
  border: 1px solid #00000024;
  border-bottom-width: 2px;
}

/* ---------- the screen ---------- */

.screen {
  background:
    radial-gradient(120% 90% at 50% 0%, #1e242e 0%, var(--screen) 55%, var(--screen-deep) 100%);
  color: #d7dbe2;
  padding: clamp(3rem, 9vw, 6rem) 1.25rem clamp(2.5rem, 7vw, 4.5rem);
  border-bottom: 1px solid #000;
}

.screen__inner {
  max-width: var(--frame);
  margin: 0 auto;
}

.title {
  font-weight: 800;
  font-size: clamp(2.5rem, 7vw, 4.1rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 0.6rem;
  color: #f1f3f6;
}

.lede {
  max-width: 52ch;
  margin: 0;
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  line-height: 1.6;
  color: #a8b0bb;
}
.lede i {
  color: #cdd4dd;
}

/* ---------- the replica ---------- */

.demo {
  margin: clamp(2.25rem, 6vw, 3.5rem) 0 0;
}

.hud {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  width: 100%;
  max-width: 34rem;
  padding: 0.7rem 0.85rem;
  font-family: var(--mono);
  text-align: left;
  color: var(--hud-text);
  background: var(--hud-bg);
  border: 1px solid var(--hud-edge);
  border-radius: 7px;
  box-shadow: 0 10px 34px #0009;
  cursor: pointer;
}

.hud__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 3px #3d8f7426;
}

.hud__code {
  font-size: clamp(1rem, 3.4vw, 1.3rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  flex: 1 1 auto;
}

.hud__keys {
  flex: none;
  display: flex;
  gap: 0.2rem;
}
.hud__keys kbd {
  background: #ffffff14;
  border-color: #ffffff2e;
  color: #c8c8d0;
}

.hud__count {
  flex: none;
  font-size: 0.8rem;
  color: var(--hud-dim);
}

.hud__close {
  flex: none;
  font-size: 0.78rem;
  color: var(--hud-close);
  padding-left: 0.1rem;
}

.hud.is-tick .hud__code {
  animation: tick 260ms ease-out;
}

@keyframes tick {
  from {
    opacity: 0;
    transform: translateY(0.35em);
  }
}

.demo__hint {
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
  color: #8d96a2;
}
.demo__hint kbd {
  background: #ffffff10;
  border-color: #ffffff26;
  color: #b6bdc7;
}

/* ---------- the download ---------- */

.get {
  margin-top: clamp(2.25rem, 6vw, 3.25rem);
}

.get__button {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 600;
  color: #0d1a15;
  background: var(--jade);
  border-radius: 6px;
  text-decoration: none;
}
.get__button:hover {
  background: var(--jade-lift);
  color: #0d1a15;
}

.get__meta {
  max-width: 44ch;
  margin: 1rem 0 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: #8d96a2;
}

.get__warn {
  max-width: 44ch;
  margin: 0.85rem 0 0;
  padding-left: 0.85rem;
  border-left: 2px solid #b87a3c;
  font-size: 0.9rem;
  line-height: 1.6;
  color: #bda079;
}
.get__warn a {
  color: #d8b483;
}
.get__warn a:hover {
  color: #eccfa6;
}

/* ---------- the manual ---------- */

.paper {
  padding: clamp(2.75rem, 7vw, 4.5rem) 1.25rem;
}

.manual {
  max-width: var(--frame);
  margin: 0 auto;
}

/* Two things the readme needs and the page does not. On github.com this is
 * the only signpost to the site; on the site it would be a link to itself,
 * pointing at a download button already sitting above it. */
.manual .repo-only {
  display: none;
}

/* the hero already said the name; on github.com the h1 still earns its place */
.manual > h1:first-child {
  display: none;
}

.manual h2 {
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.25;
  margin: 2.75rem 0 0.9rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid var(--rule);
}

.manual h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 2rem 0 0.6rem;
}

.manual p,
.manual li {
  max-width: var(--measure);
}

.manual ul {
  padding-left: 1.15rem;
}

.manual li {
  margin: 0.35rem 0;
}

.manual li::marker {
  color: var(--jade);
}

.manual strong {
  font-weight: 600;
}

.manual code {
  font-family: var(--mono);
  font-size: 0.86em;
  padding: 0.14em 0.4em;
  border-radius: 4px;
  background: var(--paper-sink);
  border: 1px solid #0000000f;
  /* a span that wraps mid-name keeps its box on both lines */
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.manual pre {
  max-width: var(--measure);
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.6;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  color: #dfe3e8;
  background: var(--screen);
  border-radius: 7px;
}
.manual pre code {
  padding: 0;
  background: none;
  border: 0;
  color: inherit;
  font-size: 1em;
}

.manual table {
  width: 100%;
  max-width: var(--measure);
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.96rem;
}

.manual th {
  text-align: left;
  font-weight: 600;
  padding: 0.5rem 0.7rem;
  border-bottom: 2px solid var(--rule);
}

.manual td {
  padding: 0.5rem 0.7rem;
  border-bottom: 1px solid #0000001a;
}

/* the keys table reads as keys */
.manual td:first-child {
  font-family: var(--mono);
  font-size: 0.88em;
  white-space: nowrap;
  color: #1f6f58;
}

.manual img {
  max-width: 100%;
}

/* ---------- foot ---------- */

.foot {
  padding-top: 0;
  border-top: 1px solid var(--rule);
  margin: 0 auto;
  max-width: var(--frame);
}
.foot p {
  max-width: var(--measure);
  margin: 1.25rem 0 0;
  font-size: 0.95rem;
}
.foot__note {
  color: var(--ink-soft);
  font-size: 0.87rem;
  line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
  .hud.is-tick .hud__code {
    animation: none;
  }
  * {
    transition: none !important;
  }
}