/* ==========================================================================
   KU Brand page
     1. Brand colors (content: these are KU's colors, shown as they are)
     2. Identity graphic
     3. Design system tabs: swatches, contrast, code
     4. Color sandbox (laid out like Storybook)
   ========================================================================== */

/* 1. Brand colors ---------------------------------------------------------- */
:root {
  --ku-blue: #0051ba;
  --ku-crimson: #e8000d;
  --ku-night: #003459;
  --ku-lake: #2767ff;
  --ku-sky: #73cbf2;
  --ku-fog: #8e9fbc;
  --ku-steam: #dde5ed;
  --ku-fire: #ff3042;
  --ku-brick: #971b2f;
  --ku-wheat: #f2a900;
  --ku-terra: #c66e4e;
  --ku-tallgrass: #be9a79;
  --ku-limestone: #d7d2cb;
  --ku-yellow: #ffc82d;
  --ku-gray: #85898a;
  --ku-text: #333333;
}

/* 2. Identity graphic: shapes drift a little on hover ---------------------- */
.brand-art .figure__media {
  background: var(--ku-blue);
}
.brand-art svg {
  display: block;
  width: 100%;
  height: clamp(200px, 24vw, 340px);
}
.brand-art g {
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.brand-art:hover .kua-m {
  transform: translateX(14px);
}
.brand-art:hover .kua-s {
  transform: translateX(-18px);
}
.brand-art:hover .kua-l {
  transform: translateX(10px);
}

/* 3. Design system tabs ---------------------------------------------------- */
.system {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 20px;
}
.system__panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.swatches {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

/* contrast: each tile shows the pair as a sample, then names it in page colors */
.contrast {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.contrast > li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0 0 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  font-weight: 500;
}
.contrast > li > span:not(.contrast__sample),
.contrast small {
  padding-inline: 16px;
}
.contrast small {
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--ok-text);
}

/* the sample letters are decoration; the label below carries the meaning */

:root {
  --ok-text: #0d5228;
  --bad-text: #a1121c;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ok-text: #5dd68a;
    --bad-text: #ff8a8a;
  }
}
:root[data-theme="dark"] {
  --ok-text: #5dd68a;
  --bad-text: #ff8a8a;
}

.code {
  overflow-x: auto;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: var(--fs-small);
  line-height: 1.65;
  color: var(--ink);
}

@media (max-width: 860px) {
  .swatches {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .contrast {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .swatches {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 4. Color sandbox: KU's own pieces --------------------------------------
   The frame, panel and tabs are in sandbox.css. Here: the palette for the
   frame, the preview card, the color swatches and the contrast results. */
.sandbox-wrap--ku {
  --sb-ring: #0051ba, #73cbf2, #f2a900, #e8000d, #971b2f, #2767ff, #0051ba;
  --sb-wash:
    radial-gradient(circle at 0% 0%, rgb(115 203 242 / 0.3), transparent 42%),
    radial-gradient(circle at 100% 0%, rgb(242 169 0 / 0.22), transparent 38%),
    radial-gradient(circle at 100% 100%, rgb(232 0 13 / 0.12), transparent 40%);
  --sb-shadow: rgb(0 81 186 / 0.45);
  --sb-glow: #73cbf2;
}
.play__preview {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 470px;
  padding: 26px 28px;
  border-radius: 12px;
  background: var(--pg-bg, #73cbf2);
  color: var(--pg-fg, #003459);
  box-shadow: 0 12px 30px -16px rgb(0 0 0 / 0.35);
  transition: background-color 0.25s ease, color 0.25s ease;
}
.sandbox .play__preview .play__eyebrow {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.sandbox .play__preview .play__headline {
  font-size: clamp(1.6rem, 1.2rem + 1.2vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}
.sandbox .play__preview .play__body {
  font-size: 0.9375rem;
  line-height: 1.5;
}
.play__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 6px;
  font-size: 0.875rem;
  font-weight: 600;
}
.play__button {
  padding: 7px 14px;
  border: 2px solid currentColor;
  border-radius: 999px;
}
.play__link {
  text-decoration: underline;
  text-underline-offset: 4px;
}
/* KU's holding box: a thin Fire line, with Lake pinpoints at two corners */
.play__frame {
  position: absolute;
  inset: 12px;
  border: 1.5px solid var(--ku-fire);
  pointer-events: none;
}
.play__frame i {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ku-lake);
}
.play__frame i:first-child {
  top: -5px;
  left: -5px;
}
.play__frame i:last-child {
  right: -5px;
  bottom: -5px;
}
.play__preview.is-plain .play__frame {
  display: none;
}
.play__swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.play__sw {
  position: relative;
  cursor: pointer;
}
.play__sw input {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
.play__sw span {
  display: block;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.18);
}
.play__sw b {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.play__sw input:checked + span {
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / 0.18), 0 0 0 2px var(--bg), 0 0 0 4px var(--ink);
}
.play__sw input:focus-visible + span {
  outline: 3px solid var(--ink);
  outline-offset: 4px;
}

.sandbox__a11y {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 4px 28px;
}
.play__ratio {
  grid-row: span 2;
  font-family: var(--heading-font);
  font-size: 1.125rem;
  font-weight: 600;
}
.play__ratio b {
  font-size: 2.75rem;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.play__checks {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}
.play__checks li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
}
.play__checks small {
  font-size: 0.8125rem;
  color: var(--text);
}
.play__checks small::before {
  content: "needs ";
}
.play__mark {
  min-width: 40px;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 700;
  text-align: center;
}
.is-pass .play__mark {
  background: color-mix(in srgb, var(--ok-text) 16%, transparent);
  color: var(--ok-text);
}
.is-fail .play__mark {
  background: color-mix(in srgb, var(--bad-text) 14%, transparent);
  color: var(--bad-text);
}
.play__verdict {
  font-size: 0.9375rem;
  font-weight: 600;
}
.play__verdict.is-pass {
  color: var(--ok-text);
}
.play__verdict.is-fail {
  color: var(--bad-text);
}
@media (max-width: 860px) {
  .sandbox__a11y {
    grid-template-columns: minmax(0, 1fr);
  }
  .play__ratio {
    grid-row: auto;
  }
}
@media (prefers-reduced-motion: reduce) {
  .play__preview {
    transition: none;
  }
}

.cp-main .sandbox-wrap .play__ratio b {
  letter-spacing: -0.04em;
}