/* Reuse the curriculum's type, colors, and navigation; scope index styles. */
.extra-help {
  margin: 0;
}
.extra-help * {
  box-sizing: border-box;
}
.extra-help [hidden] {
  display: none !important;
}
.eh-wrap {
  max-width: 1180px;
  padding: 24px 32px 56px;
  margin: auto;
}
.eh-header {
  border-bottom: 1px solid var(--course-border);
  padding-bottom: 24px;
}
.eh-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  margin: 12px 0;
}
.eh-lede {
  font-size: 1.2rem;
  max-width: 65ch;
}
.eh-source,
.eh-unit-count,
.eh-alias,
.eh-footer {
  color: var(--course-muted);
}
.eh-back,
.eh-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--course-blue);
}
.eh-filters {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  margin: 24px 0 16px;
}
.eh-filters label {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
}
.eh-filters :is(input, select, button) {
  font: inherit;
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--course-muted);
  border-radius: 6px;
  padding: 10px 12px;
  background: #fff;
  color: var(--course-ink);
}
.eh-filters button {
  margin-top: 32px;
  cursor: pointer;
  font-weight: 700;
}
.eh-filters p {
  margin: 6px 0 0;
  font-size: 1rem;
  color: var(--course-muted);
}
.eh-jumps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 16px;
}
.eh-jumps a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--course-muted);
  border-radius: 6px;
  background: #fff;
  color: var(--course-blue);
  font-weight: 700;
  text-decoration: none;
}
.eh-unit {
  margin-top: 36px;
  scroll-margin-top: 16px;
}
.eh-unit h2 {
  font-size: 1.5rem;
  line-height: 1.3;
  margin: 0 0 8px;
}
.eh-unit-count {
  margin: 0 0 16px;
}
.eh-lessons {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 0;
  margin: 0;
  gap: 16px;
}
.eh-lesson {
  min-width: 0;
  background: #fff;
  border: 1px solid var(--course-border);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  scroll-margin-top: 16px;
}
.eh-number {
  margin: 0 0 6px;
  color: var(--course-teal);
  font-weight: 700;
}
.eh-number span {
  display: inline-block;
  font-size: 1rem;
  color: var(--course-muted);
  font-weight: 400;
  margin-left: 8px;
}
.eh-lesson h3 {
  font-size: 1.25rem;
  line-height: 1.35;
  margin: 0;
}
.eh-alias {
  font-size: 1rem;
  margin: 8px 0 0;
}
.eh-target {
  margin: 12px 0 20px;
}
.eh-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}
.eh-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--course-blue);
  border-radius: 6px;
  color: var(--course-blue);
  font-weight: 700;
  text-decoration: none;
}
.eh-links a:first-child {
  background: var(--course-blue);
  color: #fff;
}
.eh-links a:hover,
.eh-jumps a:hover,
.eh-filters button:hover {
  background: #eaf2fa;
  color: var(--course-ink);
}
.eh-footer {
  margin-top: 40px;
  border-top: 1px solid var(--course-border);
  padding-top: 20px;
}
.eh-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
@media (max-width: 700px) {
  .eh-wrap {
    padding: 20px 16px 40px;
  }
  .eh-filters,
  .eh-lessons {
    grid-template-columns: minmax(0, 1fr);
  }
  .eh-filters button {
    margin-top: 0;
    width: auto;
    justify-self: start;
  }
}
/* Cognate strip: words that look alike in English and Spanish. */
.eh-h1-es {
  display: block;
  font-size: 0.6em;
  font-weight: 700;
  color: var(--course-muted);
  margin-top: 4px;
}
.eh-cognates {
  margin: 24px 0 8px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--course-border);
  border-radius: 8px;
}
.eh-cognates h2 {
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 0 0 6px;
}
.eh-cog-note {
  margin: 0 0 16px;
  color: var(--course-muted);
  max-width: 70ch;
}
.eh-cogs {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  padding: 0;
  margin: 0;
}
.eh-cog {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 12px 8px;
  border: 1px solid var(--course-border);
  border-radius: 8px;
  background: #f8fbfd;
}
.eh-cog-pic {
  width: 100%;
  max-width: 120px;
  height: auto;
  margin-bottom: 8px;
}
.eh-cog-pic .a {
  fill: var(--course-blue);
}
.eh-cog-pic .b {
  fill: #f9cf55;
  stroke: #84640c;
  stroke-width: 1.5;
}
.eh-cog-pic .z {
  fill: #d6e2ec;
  stroke: #7d93a6;
  stroke-width: 1;
}
.eh-cog-pic .t {
  font:
    700 11px system-ui,
    sans-serif;
  fill: var(--course-ink);
}
.eh-cog-pic .big {
  font:
    800 30px Georgia,
    serif;
  fill: var(--course-ink);
}
.eh-cog-pic .ax {
  stroke: var(--course-ink);
  stroke-width: 2;
}
.eh-cog-pic .dash {
  stroke: var(--course-muted);
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
}
.eh-cog-pic .ray {
  stroke: var(--course-blue);
  stroke-width: 5;
}
.eh-cog-pic .pt {
  fill: #a84820;
}
.eh-cog-pic .open {
  fill: #fff;
  stroke: var(--course-blue);
  stroke-width: 3;
}
.eh-cog-en,
.eh-cog-es {
  margin: 0;
  line-height: 1.3;
  overflow-wrap: anywhere;
}
.eh-cog-en {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--course-ink);
}
.eh-cog-es {
  font-weight: 700;
  font-size: 1rem;
  color: var(--course-teal);
}
.eh-cog-say {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
}
.eh-say {
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  min-height: 44px;
  min-width: 44px;
  padding: 6px 12px;
  border: 1px solid var(--course-blue);
  border-radius: 6px;
  background: #fff;
  color: var(--course-blue);
  cursor: pointer;
  transition: background-color 0.15s ease;
}
.eh-say::before {
  content: "🔊 ";
}
.eh-say:hover {
  background: #eaf2fa;
}
.eh-say:focus-visible {
  outline: 3px solid var(--course-blue);
  outline-offset: 2px;
}
@media (max-width: 700px) {
  .eh-cognates {
    padding: 14px;
  }
  .eh-cogs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (prefers-reduced-motion: reduce) {
  .eh-say {
    transition: none;
  }
}
@media print {
  .eh-cog-say {
    display: none;
  }
  .extra-help .ewl-course-nav,
  .eh-filters,
  .eh-jumps,
  .eh-back {
    display: none !important;
  }
  .eh-wrap {
    padding: 0;
  }
  .eh-lesson {
    break-inside: avoid;
  }
}