@charset "UTF-8";

/* Calm blue theme. Text and control boundaries are deliberately darker than fills. */
:root {
  color-scheme: light;
  --page: #eaf4fb;
  --surface: #f7fbfe;
  --white: #ffffff;
  --heading: #29485a;
  --body: #567284;
  --accent: #6fa9c9;
  --accent-border: #4e88a8;
  --accent-hover: #376d8c;
  --button-text: #143448;
  --highlight: #d8ecf7;
  --magic: #f3e7b3;
  --line: #c2dbe9;
  --control-border: #6b899b;
  --focus: #185b83;
  --radius: 22px;
  --shadow: 0 8px 26px rgb(41 72 90 / 5%);
  font-family: "Trebuchet MS", ui-rounded, system-ui, -apple-system, sans-serif;
  font-size: 18px;
  line-height: 1.7;
  background: var(--page);
  color: var(--body);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--page); }
img { max-width: 100%; }
a { color: var(--accent-hover); text-underline-offset: .22em; text-decoration-thickness: 1px; }
button, input, select, textarea { font: inherit; }
button, select, summary { cursor: pointer; }
button, input:not([type=hidden]):not([type=checkbox]), select, .button {
  min-height: 48px;
  max-width: 100%;
  border: 1px solid var(--control-border);
  border-radius: 12px;
  padding: 11px 16px;
  color: var(--heading);
  background: var(--surface);
}
button, .button, summary { font-weight: 600; line-height: 1.5; }
button, .button {
  transition: background-color 140ms ease, border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}
button:disabled { cursor: default; color: var(--body); background: var(--highlight); }
:where(a, button, input, select, summary, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}
@media (hover: hover) and (pointer: fine) {
  button:not(:disabled):hover, .button:hover {
    background: var(--highlight);
    border-color: var(--accent-border);
    box-shadow: 0 4px 10px rgb(41 72 90 / 9%);
    transform: translateY(-1px);
  }
}
button:not(:disabled):active, .button:active { transform: scale(.99); }
button[aria-pressed=true] { background: var(--highlight); border-color: var(--accent-hover); }
header, main, footer, .preferences { width: min(100%, 1240px); margin-inline: auto; }
header { padding: 24px 32px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.brand { min-width: 0; display: flex; gap: 16px; align-items: center; text-decoration: none; color: var(--heading); font-size: 1.25rem; font-weight: 700; line-height: 1.35; }
.brand-logo { width: 76px; height: auto; flex-shrink: 0; object-fit: contain; }
.brand small { display: block; margin-top: 7px; color: var(--body); font-size: .8rem; font-weight: 400; line-height: 1.6; }
.brand sup { font-size: .55em; }
nav { display: flex; align-items: center; gap: 12px; }
nav a, summary { display: inline-flex; align-items: center; min-height: 48px; padding: 10px 12px; font-size: .95rem; }
summary { display: list-item; border-radius: 12px; color: var(--heading); }
summary:hover { background: var(--highlight); }
details { position: relative; }
.menu { position: absolute; inset-inline-end: 0; top: calc(100% + 8px); z-index: 3; width: 240px; max-width: calc(100vw - 32px); padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); }
.menu a { display: flex; width: 100%; border-radius: 8px; }
.menu a:hover { background: var(--highlight); }
.preferences { padding: 0 32px 24px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
.preferences form { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.preferences label { font-size: .95rem; color: var(--heading); }
.preferences select { min-width: 150px; }
.display-options { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.motion-option { display: inline-flex; align-items: center; gap: 10px; min-height: 48px; padding: 8px 12px; border: 1px solid var(--control-border); border-radius: 12px; background: var(--surface); cursor: pointer; }
.motion-option input { flex-shrink: 0; width: 22px; height: 22px; margin: 0; accent-color: var(--accent-hover); cursor: pointer; }
.motion-option:focus-within { outline: 3px solid var(--focus); outline-offset: 4px; }
main { padding: 40px 32px; }
main:focus { outline: none; }
h1, h2, h3 { color: var(--heading); line-height: 1.3; font-weight: 700; overflow-wrap: break-word; }
h1 { font-size: clamp(2.25rem, 4.4vw, 3.45rem); letter-spacing: -.025em; margin: 20px 0; }
h2 { font-size: 1.6rem; margin: 0 0 16px; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 20px; }
.eyebrow { display: block; color: var(--accent-hover); font-size: .9rem; font-weight: 700; letter-spacing: .02em; }
.lead { font-size: 1.15rem; line-height: 1.8; max-width: 36ch; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(32px, 6vw, 80px); padding: 16px 0 48px; }
.hero > * { min-width: 0; }
.intro { padding-block: 16px; }
.hero-title-accent { color: var(--accent-hover); }
.pill-row { display: flex; gap: 10px; flex-wrap: wrap; list-style: none; padding: 0; margin: 24px 0; }
.pill-row li, .badge { padding: 7px 14px; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); color: var(--heading); font-size: .9rem; }
.gentle-note { max-width: 38ch; display: flex; align-items: flex-start; gap: 14px; margin-top: 32px; padding: 18px; background: var(--highlight); border-radius: 16px; }
.gentle-note .spark { display: grid; place-items: center; width: 36px; height: 36px; flex-shrink: 0; border-radius: 50%; background: var(--magic); color: var(--heading); font-size: 1.3rem; }
.gentle-note p { color: var(--heading); margin: 0; font-size: .95rem; }
.welcome { padding: clamp(24px, 3vw, 40px); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.welcome h2 { font-size: 1.8rem; margin-block: 10px 12px; }
.welcome form { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.welcome label { color: var(--heading); font-size: 1rem; font-weight: 700; }
.welcome input:not([type=hidden]), .welcome select { width: 100%; min-height: 56px; background: var(--white); }
.welcome .hint { font-size: .95rem; margin: 0; line-height: 1.75; }
.welcome .language-label { margin-top: 12px; }
.text-button { width: fit-content; text-align: start; color: var(--accent-hover); text-decoration: underline; text-underline-offset: .22em; background: transparent; }
.primary { min-height: 60px; background: var(--accent); border: 2px solid var(--accent-border); color: var(--button-text); font-size: 1.05rem; font-weight: 700; margin-top: 16px; padding: 16px 20px; text-align: center; }
.primary span { margin-inline-start: 10px; }
.primary:hover { background: var(--accent-hover)!important; color: var(--white); }
.welcome .quiet { text-align: center; font-size: .9rem; line-height: 1.7; margin: 24px 0 0; }
.three-up { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; padding-block: 24px 16px; }
.three-up article { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: var(--surface); }
.three-up h2 { font-size: 1.25rem; margin-top: 16px; }
.three-up p { font-size: 1rem; margin-bottom: 0; }
.number { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 14px; background: var(--highlight); color: var(--heading); font-weight: 700; }
footer { margin-top: 24px; padding: 32px; border-top: 1px solid var(--line); font-size: .95rem; }
footer nav { flex-wrap: wrap; gap: 4px 12px; margin-block: 16px; }
footer nav a { padding-inline: 8px; }
footer small { display: block; font-size: .85rem; line-height: 1.8; max-width: 80ch; }
.agency-credit { display: flex; align-items: center; gap: 16px; line-height: 1.7; margin-bottom: 24px; }
.agency-credit img { width: 64px; height: 64px; flex-shrink: 0; object-fit: contain; }
.agency-credit a { display: inline-flex; align-items: center; min-height: 48px; }
.credits-logo { width: 180px; height: auto; }
.button { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.page { max-width: 1000px; padding: 8px 0 40px; }
.prose { max-width: 740px; }
.prose nav { display: block; }
.prose ul { padding-inline-start: 24px; }
.prose li { margin-block: 8px; }
.mode-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; margin: 28px 0; }
.mode-grid article, .story-tutorial li, .carousel article { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.mode-grid h2 { font-size: 1.4rem; }
.mode-link { display: flex; align-items: center; min-height: 48px; margin-top: 16px; }
.notice, .fallback { padding: 20px; background: var(--highlight); border-inline-start: 4px solid var(--accent-border); border-radius: 12px; line-height: 1.8; color: var(--heading); }
.fallback { max-width: 1176px; margin: 20px auto 0; }
.english-reference { font-size: .95rem!important; font-style: italic!important; line-height: 1.8!important; letter-spacing: normal!important; }
.translation { font-size: 1.1rem; line-height: 1.8; }
.fallback-label { display: block; font: 600 .85rem/1.8 "Trebuchet MS",system-ui,sans-serif; color: var(--heading); }
.toolbar, .actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 24px 0; }
.toolbar { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.toolbar label { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 1rem; }
.toolbar input[type=color] { width: 52px; padding: 4px; }
.toolbar input[type=range] { width: 110px; padding: 0; }
.toolbar button[aria-pressed=true], .actions button[aria-pressed=true] { outline: 2px solid var(--accent-hover); outline-offset: 2px; background: var(--highlight); }
.palette { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch { width: 48px; min-height: 48px; overflow: hidden; font-size: 0; border: 2px solid var(--surface); }
/* Drawing inks are tools, not theme colors. Preserve their actual palette values. */
.swatch-1 { background: #345b45!important; } .swatch-2 { background: #326ea3!important; }
.swatch-3 { background: #8554a3!important; } .swatch-4 { background: #ba4568!important; }
.swatch-5 { background: #bd850d!important; } .swatch-6 { background: #242424!important; }
.canvas-frame { width: 100%; border: 1px solid var(--control-border); border-radius: 16px; overflow: hidden; background: var(--white); }
#art { display: block; width: 100%; height: auto; aspect-ratio: 3/2; touch-action: none; cursor: crosshair; border: 0; }
#art:focus-visible { outline: 4px solid var(--focus); outline-offset: -5px; }
.studio > p { max-width: 800px; line-height: 1.8; }
dialog { max-width: 520px; width: calc(100% - 32px); max-height: calc(100dvh - 32px); overflow: auto; padding: 28px; border: 1px solid var(--control-border); border-radius: var(--radius); background: var(--surface); color: var(--body); box-shadow: var(--shadow); }
dialog::backdrop { background: rgb(41 72 90 / 55%); }
dialog form { display: flex; flex-wrap: wrap; gap: 16px; }
.story-tutorial { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); padding: 0; gap: 20px; list-style: none; }
.story-tutorial li > span:first-child { display: block; font-size: 1.8rem; color: var(--accent-hover); margin-bottom: 12px; }
textarea { display: block; width: 100%; margin-top: 12px; padding: 18px; border: 1px solid var(--control-border); border-radius: 14px; background: var(--surface); color: var(--heading); resize: vertical; line-height: 1.8; }
.carousel { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.4fr) minmax(0,1fr); gap: 20px; margin: 24px 0; }
.player-card { box-shadow: var(--shadow); }
.neighbor { font-size: .95rem; }
#demo-roster { display: flex; flex-wrap: wrap; gap: 12px; list-style: none; padding: 0; }
.skip { position: absolute; inset-block-start: -120px; inset-inline-start: 16px; z-index: 10; }
.skip:focus { inset-block-start: 12px; padding: 14px 20px; border-radius: 12px; background: var(--white); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
[hidden] { display: none!important; }
.large-text { font-size: 22px; }
@media (max-width: 1000px) {
  header { align-items: flex-start; }
  .brand small { max-width: 260px; }
  .preferences { align-items: flex-start; gap: 16px; }
  .hero { gap: 28px; }
  .three-up { gap: 16px; }
  .three-up article { padding: 22px; }
}
@media (max-width: 800px) {
  header { padding: 20px; flex-wrap: wrap; gap: 16px; }
  .brand { font-size: 1.15rem; }
  .brand-logo { width: 64px; }
  .brand small { max-width: none; }
  header > nav { width: 100%; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
  .preferences { padding: 0 20px 24px; gap: 16px; }
  .preferences form, .display-options { width: 100%; }
  .preferences form > label { width: 100%; }
  .preferences select { flex: 1; min-width: 0; }
  .display-options { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.25fr); align-items: stretch; }
  .motion-option { justify-content: center; }
  main { padding: 28px 20px; }
  .hero { grid-template-columns: minmax(0,1fr); gap: 28px; padding: 0 0 24px; }
  .intro { padding: 0; }
  h1 { font-size: 2.5rem; }
  .lead { max-width: 44ch; font-size: 1.1rem; }
  .gentle-note { max-width: none; margin-top: 20px; }
  .welcome { padding: 28px; }
  .three-up, .story-tutorial, .mode-grid, .carousel { grid-template-columns: minmax(0,1fr); }
  .neighbor { display: none; }
  .fallback { margin: 20px 20px 0; }
  footer { margin-top: 0; padding: 28px 20px; }
}
@media (max-width: 420px) {
  header, main, footer { padding-inline: 16px; }
  .preferences { padding-inline: 16px; }
  .brand { font-size: 1.05rem; gap: 12px; }
  .brand-logo { width: 54px; }
  .brand small { font-size: .8rem; }
  h1 { font-size: 2.15rem; }
  .welcome { padding: 24px 20px; }
  .welcome h2 { font-size: 1.55rem; }
  .display-options { gap: 10px; }
  .display-options button, .motion-option { padding: 10px; font-size: .9rem; }
  .motion-option { gap: 8px; }
  .agency-credit { align-items: flex-start; gap: 12px; }
  .agency-credit img { width: 52px; height: 52px; }
  .toolbar { padding: 14px; }
  .fallback { margin-inline: 16px; }
}
/* Both device preference and the explicit control suppress every motion effect. */
.reduce-motion *, .reduce-motion *::before, .reduce-motion *::after {
  animation: none!important; transition: none!important; scroll-behavior: auto!important;
}
.reduce-motion button, .reduce-motion .button { transform: none!important; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none!important; transition: none!important; scroll-behavior: auto!important; }
  button, .button { transform: none!important; }
}