/* ——— Badges & breadcrumbs ——— */

.breadcrumb {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: var(--space-md);
}

/* ——— Hero ——— */

.page-hero {
  margin-bottom: var(--space-xl);
}

.page-hero--home {
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  text-align: left;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.page-hero--home h1 {
  margin-bottom: var(--space-sm);
  font-family: var(--font-display);
}

.home-callout {
  background: var(--bg-callout);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--accent);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.home-callout strong {
  color: var(--text-primary);
}

/* ——— Home: vertical level ladder ——— */

.level-ladder {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

a.level-step {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

a.level-step:hover,
a.level-step:focus-visible {
  border-color: var(--step-color, var(--accent));
  box-shadow: var(--shadow);
  transform: translateX(4px);
  text-decoration: none;
  color: inherit;
}

.level-step__index {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--step-color, var(--accent));
  line-height: 1;
}

.level-step__body {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  min-width: 0;
}

.level-step__body strong {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  color: var(--text-primary);
}

.level-step__body span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.level-step__arrow {
  color: var(--text-muted);
  font-size: 1.125rem;
  transition: color 0.15s, transform 0.15s;
}

a.level-step:hover .level-step__arrow {
  color: var(--step-color, var(--accent));
  transform: translateX(3px);
}

.level-step--blue { --step-color: var(--level-blue); }
.level-step--red { --step-color: var(--level-red); }
.level-step--yellow { --step-color: var(--level-yellow); }
.level-step--green { --step-color: var(--level-green); }
.level-step--purple { --step-color: var(--level-purple); }
.level-step--orange { --step-color: var(--level-orange); }
.level-step--violet { --step-color: var(--level-violet); }

/* Legacy .level-hero styles removed — owned by hub.css (blue-level.dc.html) */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.25;
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.btn--primary {
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
}

.btn--primary:hover {
  filter: brightness(1.05);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

.btn--ghost {
  color: var(--text-primary);
  background: var(--bg-page);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

/* ——— Level hub ——— */

.level-hub {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.level-hub__block {
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.level-hub__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.level-hub__head h2 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.level-hub__head p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.level-hub__count {
  flex-shrink: 0;
  min-width: 2.5rem;
  padding: 0.375rem 0.625rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
  background: var(--accent-soft);
  border-radius: 999px;
}

.lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
  gap: var(--space-sm);
}

.lesson-grid--video {
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
}

.lesson-tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  min-height: 5.5rem;
  padding: var(--space-md);
  text-decoration: none;
  color: inherit;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.lesson-tile:hover {
  background: var(--bg-page);
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  text-decoration: none;
}

.lesson-tile__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: 50%;
}

.lesson-tile:hover .lesson-tile__num {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}

.lesson-tile__title {
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
}

.lesson-tile--featured {
  background: var(--accent-soft);
}

.lesson-tile--featured .lesson-tile__num {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.lesson-tile--more {
  border: 1px dashed var(--border-strong);
  background: transparent;
}

.lesson-tile--more .lesson-tile__num {
  border-style: dashed;
}

.lesson-tile--video .lesson-tile__num {
  color: var(--accent);
  background: var(--bg-page);
}

.lesson-tile--video .lesson-tile__num svg {
  width: 0.75rem;
  height: 0.75rem;
}

.lesson-tile--video:hover .lesson-tile__num {
  color: #fff;
  background: var(--accent);
}

.level-hub__row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.resource-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.resource-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: var(--space-md);
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: var(--radius);
}

.resource-card__icon svg {
  width: 1.25rem;
  height: 1.25rem;
}

.resource-card h2 {
  margin: 0 0 0.25rem;
  font-size: 1.0625rem;
  font-weight: 700;
}

.resource-card > p {
  margin: 0 0 var(--space-md);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.resource-card__links {
  list-style: none;
  margin: 0;
  padding: 0;
  margin-top: auto;
  border-top: 1px solid var(--border);
}

.resource-card__links li + li {
  border-top: 1px solid var(--border);
}

.resource-card__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
}

.resource-card__links a::after {
  content: '→';
  font-size: 0.875rem;
  color: var(--text-muted);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.15s, transform 0.15s, color 0.15s;
}

.resource-card__links a:hover {
  color: var(--accent);
  text-decoration: none;
}

.resource-card__links a:hover::after {
  opacity: 1;
  transform: translateX(0);
  color: var(--accent);
}

@media (max-width: 900px) {
  .level-hub__row {
    grid-template-columns: 1fr;
  }

  .lesson-grid {
    grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr));
  }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
  }
}

/* ——— Level cards (home) ——— */

.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
}

.level-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, transform 0.15s, border-color 0.15s;
}

.level-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
  border-color: var(--border-strong);
  text-decoration: none;
}

.level-card__stripe {
  display: none;
}

.level-card__body {
  padding: var(--space-lg);
  flex: 1;
  position: relative;
  padding-top: calc(var(--space-lg) + 0.5rem);
}

.level-card__body::before {
  content: '';
  position: absolute;
  top: var(--space-lg);
  left: var(--space-lg);
  width: 2.5rem;
  height: 0.375rem;
  border-radius: 999px;
  background: var(--card-accent, var(--accent));
}

.level-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
  margin-top: var(--space-sm);
}

.level-card__desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.level-card__cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
}

.level-card--blue { --card-accent: var(--level-blue); }
.level-card--red { --card-accent: var(--level-red); }
.level-card--yellow { --card-accent: var(--level-yellow); }
.level-card--green { --card-accent: var(--level-green); }
.level-card--purple { --card-accent: var(--level-purple); }
.level-card--orange { --card-accent: var(--level-orange); }
.level-card--violet { --card-accent: var(--level-violet); }

.level-card--blue .level-card__stripe { background: var(--level-blue); }
.level-card--red .level-card__stripe { background: var(--level-red); }
.level-card--yellow .level-card__stripe { background: var(--level-yellow); }
.level-card--green .level-card__stripe { background: var(--level-green); }
.level-card--purple .level-card__stripe { background: var(--level-purple); }
.level-card--orange .level-card__stripe { background: var(--level-orange); }
.level-card--violet .level-card__stripe { background: var(--level-violet); }

.level-card--blue .level-card__cta { color: var(--level-blue); }
.level-card--red .level-card__cta { color: var(--level-red); }

.secondary-links {
  padding: var(--space-lg) 0 var(--space-xl);
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.secondary-links a {
  font-weight: 600;
  margin: 0 var(--space-sm);
}

/* ——— Hub board (level pages) ——— */

.hub-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}

.hub-panel {
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.hub-panel--wide {
  grid-column: 1 / -1;
}

.hub-panel__head {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: linear-gradient(180deg, var(--accent-soft) 0%, var(--bg-page) 100%);
  border-bottom: 1px solid var(--border);
}

.hub-panel__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.hub-panel__head h2 {
  margin: 0 0 0.25rem;
  font-size: 1.0625rem;
  color: var(--text-primary);
}

.hub-panel__head p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.hub-links {
  list-style: none;
  margin: 0;
  padding: 0.5rem;
}

.hub-links li {
  margin: 0;
}

.hub-links a {
  display: grid;
  grid-template-columns: 2.25rem 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: background 0.15s;
}

.hub-links a:hover {
  background: var(--bg-muted);
  text-decoration: none;
}

.hub-links__num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.hub-links__label {
  min-width: 0;
}

.hub-links__arrow {
  color: var(--text-muted);
  font-size: 0.875rem;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.15s, transform 0.15s;
}

.hub-links a:hover .hub-links__arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--accent);
}

.hub-links--compact a {
  grid-template-columns: 1fr auto;
}

.hub-links--compact .hub-links__num {
  display: none;
}

@media (max-width: 768px) {
  .hub-board {
    grid-template-columns: 1fr;
  }
}

/* legacy hub (fallback) */

.hub-grid {
  display: grid;
  gap: var(--space-lg);
}

.hub-section {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  background: var(--bg-page);
}

.hub-section h2 {
  color: var(--accent);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border);
}

.link-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-sm) var(--space-lg);
}

.link-list a {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  text-decoration: none;
}

.link-list a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.hub-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
  font-size: 0.9375rem;
  font-weight: 600;
}

/* ——— Topic cards (video hub) ——— */

.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.topic-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  background: var(--bg-page);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, transform 0.15s;
}

.topic-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.topic-card h3 {
  font-family: var(--font-display);
}

.topic-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.topic-card a {
  font-size: 0.875rem;
  font-weight: 600;
}

/* ——— Lesson content ——— */

.prose p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.embed-video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: var(--space-xl);
}

.embed-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.embed-video--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1e293b;
  color: #94a3b8;
  font-size: 0.9375rem;
  font-weight: 500;
}

/* YouTube click-to-play — no fonts.gstatic.com / Roboto until play */
.lae-yt-lite {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #0f0f0f;
  overflow: hidden;
  border-radius: 6px;
}

.lae-yt-lite iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.lae-yt-lite__button {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  border: 0;
  cursor: pointer;
  background: transparent;
}

.lae-yt-lite__thumb {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lae-yt-lite__play {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 68px;
  height: 48px;
  margin: -24px 0 0 -34px;
  border-radius: 14px;
  background: #212121;
  opacity: 0.9;
  transition: background 0.15s ease, opacity 0.15s ease;
}

.lae-yt-lite__play::before {
  content: '';
  position: absolute;
  left: 26px;
  top: 14px;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
}

.lae-yt-lite__button:hover .lae-yt-lite__play,
.lae-yt-lite__button:focus-visible .lae-yt-lite__play {
  background: #f00;
  opacity: 1;
}

.lae-yt-lite__button:focus-visible {
  outline: 2px solid var(--accent, #c45c26);
  outline-offset: 2px;
}

/* ——— Tables ——— */

.data-table-wrap {
  overflow-x: auto;
  margin-bottom: var(--space-xl);
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.data-table th,
.data-table td {
  border: 1px solid var(--border-strong);
  padding: 0.75rem 1rem;
  text-align: left;
}

.data-table th {
  background: var(--bg-muted);
  font-weight: 600;
}

.data-table tbody tr:nth-child(even) {
  background: #fafafa;
}

.data-table .blank {
  min-width: 6rem;
  border-bottom: 2px solid var(--text-primary);
  height: 1.5rem;
}

.data-table .example-link {
  color: var(--accent);
  font-weight: 500;
}

/* ——— Lesson nav ——— */

.lesson-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  margin-top: var(--space-xl);
  border-top: 1px solid var(--border);
}

.lesson-nav__prev-next {
  display: flex;
  gap: var(--space-lg);
  font-size: 0.9375rem;
  font-weight: 600;
}

.lesson-nav__actions {
  display: flex;
  gap: var(--space-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  filter: brightness(1.05);
  text-decoration: none;
  color: #fff;
}

.btn--secondary {
  background: var(--bg-muted);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn--secondary:hover {
  background: var(--border);
  text-decoration: none;
}

/* ——— Quiz ——— */

.quiz-instructions {
  background: var(--bg-callout);
  padding: var(--space-lg);
  border-radius: var(--radius);
  margin-bottom: var(--space-xl);
}

.quiz-instructions p {
  margin: 0;
  color: var(--text-secondary);
}

.quiz-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

/* ——— Expressions ——— */

.alphabet-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.alphabet-chips a,
.alphabet-chips span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.alphabet-chips a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.alphabet-chips .is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.expression-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Slang convert shares the same card shell under lexicon-* class names. */
.lexicon-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.expression-audio {
  margin-bottom: var(--space-lg);
}

.expression-audio iframe {
  display: block;
  width: 100%;
  min-height: 10.5rem;
  border: 0;
  border-radius: var(--radius);
}

.expression-donations {
  margin-bottom: var(--space-lg);
  text-align: center;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.expression-donations a {
  font-weight: 700;
  color: var(--accent);
}

.expression-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(9rem, 12.5rem);
  gap: var(--space-lg);
  padding: var(--space-lg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-page);
  box-shadow: var(--shadow-sm);
}

.lexicon-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(9rem, 12.5rem);
  gap: var(--space-lg);
  padding: var(--space-lg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-page);
  box-shadow: var(--shadow-sm);
}

.expression-card--no-media,
.lexicon-card.expression-card--no-media,
.expression-card.expression-card--no-media {
  grid-template-columns: 1fr;
}

.expression-card__body {
  min-width: 0;
}

.expression-card__media {
  margin: 0;
  align-self: start;
}

.expression-card__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.expression-card__term {
  font-weight: 700;
  font-size: 1.0625rem;
  margin: 0 0 var(--space-sm);
  color: var(--text-primary);
}

.expression-card__def {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin: 0 0 var(--space-md);
  line-height: 1.55;
}

.expression-card__content {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.expression-card__content p {
  margin: 0 0 var(--space-sm);
}

.expression-card__content p:last-child {
  margin-bottom: 0;
}

.expression-card__content a {
  color: var(--accent);
  font-weight: 600;
}

.expression-card__content em {
  font-style: italic;
  color: var(--text-primary);
}

.callout {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-callout);
  border-radius: var(--radius);
  border-left: 4px solid var(--accent);
  margin-bottom: var(--space-xl);
}

.callout p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.callout strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.pill-badge {
  display: inline-block;
  padding: 0.3125rem 0.75rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  border: 1px solid transparent;
}

.hub-section__title {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--accent-soft);
  color: var(--accent);
}

.hub-plain-links {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 2;
  column-gap: var(--space-xl);
}

.hub-plain-links li {
  margin-bottom: 0.375rem;
  break-inside: avoid;
}

.hub-plain-links a {
  color: var(--accent);
  font-size: 0.9375rem;
}

/* ——— Topic / listening tiles (video + listening lab) ——— */

.topic-grid,
.listening-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.topic-grid {
  grid-template-columns: repeat(auto-fill, minmax(10.5rem, 1fr));
}

.topic-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.75rem 0.875rem;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
  line-height: 1.25;
  color: var(--text-secondary);
  text-decoration: none;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.topic-tile:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  transform: translateY(-1px);
  text-decoration: none;
}

.listening-grid {
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
}

.hub-carousel--listening .hub-carousel__viewport {
  padding-block: 4px;
}

.hub-carousel--listening .hub-carousel__slide {
  overflow: visible;
}

.listening-tile {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem;
  min-height: 3.5rem;
  padding: 0.875rem 1rem;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.listening-tile:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
  text-decoration: none;
  color: inherit;
}

.listening-tile__num {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 0.375rem;
  border-radius: 999px;
  background: var(--bg-muted);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1;
}

.listening-tile__title {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-primary);
}

.listening-tile__go {
  color: var(--text-muted);
  font-size: 1rem;
}

.listening-featured {
  margin-bottom: var(--space-xl);
  padding: var(--space-xl);
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.listening-featured__eyebrow {
  margin: 0 0 var(--space-sm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.listening-featured__title {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.375rem;
  line-height: 1.25;
}

.listening-featured__title a {
  color: var(--text-primary);
  text-decoration: none;
}

.listening-featured__title a:hover {
  color: var(--text-secondary);
  text-decoration: underline;
}

.listening-featured__hint {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.listening-list__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.listening-list__head .hub-section__title {
  margin-bottom: 0;
  border-bottom: none;
  padding-bottom: 0;
  color: var(--text-primary);
}

.listening-list__count {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
}

.video-embed-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.video-embed-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: 0;
}

.video-embed-card__meta {
  margin: 0;
  text-align: center;
}

.video-embed-card__title {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text-primary);
}

.video-embed-card__date {
  margin: var(--space-xs) 0 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.listening-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  background: var(--bg-page);
}

.listening-card h2 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.listening-card h2 a {
  color: var(--accent);
  text-decoration: none;
}

.embed-audio {
  min-height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: var(--space-md) 0;
}

.minimal-content h2 {
  margin-top: var(--space-xl);
  font-size: 1.125rem;
}

.minimal-content ul {
  margin: var(--space-sm) 0 var(--space-md);
  padding-left: 1.25rem;
}

.minimal-content li {
  margin-bottom: 0.375rem;
  color: var(--text-secondary);
}

@media (max-width: 900px) {
  .level-hub__row {
    grid-template-columns: 1fr;
  }
}

/* ——— Hub carousel ——— */

.hub-carousel { --carousel-accent: var(--accent); }
[data-level="blue"] .hub-carousel { --carousel-accent: var(--level-blue); }
[data-level="red"] .hub-carousel { --carousel-accent: var(--level-red); }
[data-level="yellow"] .hub-carousel { --carousel-accent: var(--level-yellow); }
[data-level="green"] .hub-carousel { --carousel-accent: var(--level-green); }
[data-level="purple"] .hub-carousel { --carousel-accent: var(--level-purple); }
[data-level="orange"] .hub-carousel { --carousel-accent: var(--level-orange); }
[data-level="violet"] .hub-carousel { --carousel-accent: var(--level-violet); }

.hub-carousel__viewport { overflow: hidden; border-radius: var(--radius); touch-action: pan-y; cursor: grab; user-select: none; }
.hub-carousel__viewport.is-swiping { cursor: grabbing; }
.hub-carousel__viewport.is-swiping a { pointer-events: none; }
.hub-carousel__track { display: flex; transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1); }
.hub-carousel__slide { flex: 0 0 100%; min-width: 100%; overflow: hidden; }
.hub-carousel__range { margin: 0 0 var(--space-md); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--carousel-accent, var(--accent)); }
.hub-carousel__range--live { margin-bottom: var(--space-sm); }
.hub-carousel__range--live[hidden] { display: none; }
.hub-carousel__footer { display: flex; align-items: center; justify-content: center; gap: var(--space-md); margin-top: var(--space-md); padding-top: var(--space-md); border-top: 1px solid var(--border); }
.hub-carousel--single .hub-carousel__footer { display: none; }
.hub-carousel__btn { display: flex; align-items: center; justify-content: center; width: 2.25rem; height: 2.25rem; font-size: 1rem; font-weight: 700; color: var(--carousel-accent); background: var(--bg-page); border: 1px solid var(--border); border-radius: 50%; cursor: pointer; }
.hub-carousel__btn:disabled { opacity: 0.35; cursor: not-allowed; }
.hub-carousel__dots { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.375rem; }
.hub-carousel__dot { width: 0.5rem; height: 0.5rem; padding: 0; background: var(--border-strong); border: none; border-radius: 50%; cursor: pointer; }
.hub-carousel__dot.is-active { background: var(--carousel-accent); transform: scale(1.25); }
.hub-carousel__status { min-width: 3rem; font-size: 0.75rem; font-weight: 600; color: var(--text-muted); }
.home-callout--top { margin-bottom: var(--space-lg); }

.home-intro {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  text-align: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.home-intro__welcome {
  margin: 0 0 var(--space-lg);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.home-intro__welcome strong {
  color: var(--text-primary);
  font-weight: 700;
}

.home-intro__signup {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.home-intro__signup-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 5.25rem;
  height: 5.25rem;
  border-radius: 50%;
  background: linear-gradient(160deg, #1d4ed8 0%, #2563eb 55%, #3b82f6 100%);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 6px 20px rgb(37 99 235 / 32%);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.home-intro__signup-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgb(37 99 235 / 38%);
  text-decoration: none;
  color: #fff;
}

.home-intro__signup-btn-line {
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.03em;
}

.home-intro__signup-btn-line--emph {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.home-intro__signup-note {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.home-intro__start {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: var(--space-lg) var(--space-xl);
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.home-intro__start:hover {
  border-color: var(--level-blue);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
  text-decoration: none;
}

.home-intro__start span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--level-blue);
  line-height: 1.45;
}

.home-intro__start span:last-child {
  font-size: 1.0625rem;
  font-weight: 700;
}

.home-video { margin: var(--space-xl) 0; padding: var(--space-lg); background: var(--bg-muted); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.home-video__title { margin: 0 0 var(--space-md); font-size: 1.125rem; font-weight: 700; }
.home-video__more { margin: var(--space-md) 0 0; text-align: center; }

.practice-card .hub-carousel__slide .practice-card__chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }

@media (max-width: 600px) {
  .hub-plain-links {
    columns: 1;
  }

  .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .listening-grid {
    grid-template-columns: 1fr;
  }

  .expression-card {
    grid-template-columns: 1fr;
  }

  .lesson-nav {
    flex-direction: column;
    align-items: flex-start;
  }
}