/* hs-tokens:start — generated by scripts/build-design-tokens.js; edit THERE, then run it. */
:root {
  /* brand — the v2 guided-lesson header's stops; white is >= 5.4:1 on each */
  --hs-brand-grad: linear-gradient(135deg, #047857, #1d4ed8 55%, #6d28d9);
  /* ink (on --hs-panel: 13.9 / 7.56 / 5.34 : 1) */
  --hs-ink: #1e2b3a;
  --hs-ink-2: #485466;
  --hs-muted: #5f6b7a;
  /* surfaces — the warm "sticker" language the winning components share */
  --hs-canvas: #faf6ee;
  --hs-panel: #fffdf9;
  --hs-tint: #fbf3df;
  --hs-rule: #e6d2b8;
  --hs-rule-soft: #ece3cf;
  --hs-bw: 1.5px;
  /* radius */
  --hs-r-xs: 6px;
  --hs-r-sm: 8px;
  --hs-r-md: 12px;
  --hs-r-lg: 14px;
  --hs-r-xl: 18px;
  --hs-r-2xl: 22px;
  --hs-r-pill: 999px;
  /* elevation: a flat "stick" for content; one blur, for floating layers only */
  --hs-stick-sm: 0 3px 0 var(--hs-rule);
  --hs-stick: 0 4px 0 var(--hs-rule);
  --hs-float: 0 14px 34px rgba(15, 23, 42, .12);
  /* space (4-pt) */
  --hs-s1: 4px;
  --hs-s2: 8px;
  --hs-s3: 12px;
  --hs-s4: 16px;
  --hs-s5: 20px;
  --hs-s6: 24px;
  --hs-s8: 32px;
  /* type */
  --hs-font-display: 'Outfit', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --hs-font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --hs-fs-xs: 12px;
  --hs-fs-sm: 13.5px;
  --hs-fs-md: 15px;
  --hs-fs-lg: 17px;
  --hs-fs-xl: 20px;
  --hs-fs-2xl: 24px;
  --hs-fs-hero: clamp(28px, 5vw, 40px);
  --hs-lh-body: 1.55;
  /* semantic text/background pairs (6.5 / 6.8 / 7.3 / 7.5 : 1) */
  --hs-ok: #166534;
  --hs-ok-bg: #dcfce7;
  --hs-bad: #991b1b;
  --hs-bad-bg: #fee2e2;
  --hs-info: #0b5563;
  --hs-info-bg: #e3f1f4;
  --hs-beyond: #543a91;
  --hs-beyond-bg: #f0ebfa;
  /* interaction */
  --hs-tap: 44px;
  --hs-focus: 0 0 0 3px #fff, 0 0 0 5px #1d4ed8;
}
/* hs-tokens:end */

/* Shared optional-video component. Canonical generated tokens also support standalone hubs. */
.lesson-videos {
  box-sizing: border-box;
  margin-block: var(--hs-s6);
  padding: var(--hs-s5);
  color: var(--hs-ink);
  background: var(--hs-panel);
  border: var(--hs-bw) solid var(--hs-rule);
  border-radius: var(--hs-r-lg);
  font-family: var(--hs-font-body);
  font-size: var(--hs-fs-md);
  line-height: var(--hs-lh-body);
}

.lesson-videos *,
.lesson-videos *::before,
.lesson-videos *::after {
  box-sizing: border-box;
}

/* A hub column is a grid item. Existing lesson-row badges can make its
   automatic minimum wider than a phone; keep the added panel inside the track.
   This applies only to columns that actually contain our generated hub panel. */
.mh-lesson-col:has(> .lesson-videos--hub) {
  min-width: 0;
}

/* Honor progressive enhancement even when a lesson's button rules set display. */
.lesson-videos [hidden] {
  display: none !important;
}

.lesson-videos .lesson-videos__heading {
  margin: 0 0 var(--hs-s2);
  color: var(--hs-ink);
  font: 700 var(--hs-fs-xl) / 1.3 var(--hs-font-display);
}

.lesson-videos .lesson-videos__intro,
.lesson-videos .lesson-videos__help {
  margin: 0;
  color: var(--hs-ink-2);
  font-size: var(--hs-fs-sm);
}

.lesson-videos .lesson-videos__list {
  margin: var(--hs-s4) 0 0;
  padding: 0;
  list-style: none;
}

.lesson-videos .lesson-videos__card + .lesson-videos__card,
.lesson-videos .lesson-videos__hub-item + .lesson-videos__hub-item {
  margin-top: var(--hs-s4);
  padding-top: var(--hs-s4);
  border-top: var(--hs-bw) solid var(--hs-rule-soft);
}

.lesson-videos .lesson-videos__card[id] {
  scroll-margin-top: calc(var(--hn-sticky-bottom, calc(var(--hs-tap) + var(--hs-s6))) + var(--hs-s2));
}

.lesson-videos .lesson-videos__summary {
  display: flex;
  align-items: flex-start;
  gap: var(--hs-s3);
}

.lesson-videos .lesson-videos__poster {
  display: grid;
  place-items: center;
  flex: 0 0 var(--hs-tap);
  width: var(--hs-tap);
  height: var(--hs-tap);
  color: var(--hs-info);
  background: var(--hs-info-bg);
  border-radius: var(--hs-r-sm);
}

.lesson-videos .lesson-videos__details {
  flex: 1;
  min-width: 0;
}

.lesson-videos .lesson-videos__title {
  margin: 0;
  color: var(--hs-ink);
  font: 700 var(--hs-fs-lg) / 1.4 var(--hs-font-display);
  overflow-wrap: anywhere;
}

.lesson-videos .lesson-videos__duration {
  display: inline-block;
  margin-top: var(--hs-s1);
  color: var(--hs-muted);
  font-size: var(--hs-fs-sm);
  font-variant-numeric: tabular-nums;
}

.lesson-videos .lesson-videos__kind {
  display: inline-block;
  margin: var(--hs-s1) var(--hs-s2) 0 0;
  color: var(--hs-muted);
  font-size: var(--hs-fs-sm);
}

.lesson-videos .lesson-videos__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--hs-s2) var(--hs-s4);
  margin-top: var(--hs-s2);
}

.lesson-videos .lesson-videos__load,
.lesson-videos .lesson-videos__close {
  min-height: var(--hs-tap);
  max-width: 100%;
  padding: var(--hs-s2) var(--hs-s3);
  border: var(--hs-bw) solid var(--hs-info);
  border-radius: var(--hs-r-sm);
  color: var(--hs-info);
  background: var(--hs-info-bg);
  font: 600 var(--hs-fs-sm) / 1.4 var(--hs-font-body);
  white-space: normal;
  cursor: pointer;
}

.lesson-videos a {
  color: var(--hs-info);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  overflow-wrap: anywhere;
}

.lesson-videos .lesson-videos__external {
  display: inline-flex;
  align-items: center;
  min-height: var(--hs-tap);
  font-size: var(--hs-fs-sm);
}

.lesson-videos a:focus-visible,
.lesson-videos button:focus-visible,
.lesson-videos summary:focus-visible {
  outline: 2px solid transparent;
  box-shadow: var(--hs-focus);
}

.lesson-videos .lesson-videos__summary-toggle {
  min-height: var(--hs-tap);
  cursor: pointer;
}

.lesson-videos .lesson-videos__summary-toggle .lesson-videos__heading {
  display: inline;
  margin: 0;
}

.lesson-videos .lesson-videos__disclosure[open] > .lesson-videos__intro {
  margin-top: var(--hs-s2);
}

.lesson-videos .lesson-videos__player {
  margin-top: var(--hs-s3);
}

.lesson-videos .lesson-videos__close {
  margin-bottom: var(--hs-s2);
}

.lesson-videos .lesson-videos__frame {
  width: 100%;
  min-height: 200px;
  aspect-ratio: 16 / 9;
  background: var(--hs-canvas);
  border-radius: var(--hs-r-sm);
  overflow: hidden;
}

.lesson-videos .lesson-videos__frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  border: 0;
}

.lesson-videos .lesson-videos__help {
  margin-top: var(--hs-s2);
}

.lesson-videos .lesson-videos__status {
  margin: var(--hs-s3) 0 0;
  color: var(--hs-bad);
  font-size: var(--hs-fs-sm);
}

.lesson-videos .lesson-videos__lesson-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--hs-s2) var(--hs-s4);
  margin: var(--hs-s2) 0 0;
  padding: 0;
  list-style: none;
}

.lesson-videos .lesson-videos__lesson-links a {
  display: inline-flex;
  align-items: center;
  min-height: var(--hs-tap);
}

.lesson-videos .lesson-videos__sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 480px) {
  .lesson-videos {
    padding: var(--hs-s3);
  }
}

@media (forced-colors: active) {
  .lesson-videos a:focus-visible,
  .lesson-videos button:focus-visible,
  .lesson-videos summary:focus-visible {
    outline: 2px solid Highlight;
    box-shadow: none;
  }
}