/**
 * Learn Pages Styles
 * Typography and table styles for programmatic SEO pages
 */

/* Learn page layout */
.learn-page {
  --learn-panel: var(--public-panel);
  --learn-soft: var(--public-soft);
  --learn-line: var(--public-line);
  --learn-accent: var(--public-accent);
  --learn-accent-dark: var(--public-accent-dark);
  --learn-ink: var(--public-ink);
  --learn-muted: var(--public-muted);
  --learn-shadow: var(--public-shadow);
}

.learn-main {
  max-width: 1000px;
}

.learn-article {
  padding: 30px 34px;
}

.learn-title {
  margin-bottom: 18px;
  font-size: clamp(2.1rem, 3vw, 2.8rem);
  font-weight: 800;
  font-family: var(--public-font-accent);
  color: var(--learn-ink);
  line-height: 1.15;
}

.learn-section {
  margin-top: 26px;
}

.learn-section-title {
  margin-bottom: 14px;
  font-size: 1.2rem;
  font-weight: 800;
  font-family: var(--public-font-accent);
  color: var(--learn-accent);
}

.learn-link-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.learn-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 12px;
  border: 1px solid var(--learn-line);
  color: var(--learn-ink);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.learn-link:hover {
  color: var(--learn-accent);
  background: var(--learn-soft);
  border-color: rgba(242, 122, 82, 0.35);
}

.learn-card-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

/* Breadcrumb styling */
.learn-breadcrumb {
  margin-bottom: 18px;
  font-size: 0.85rem;
  color: var(--learn-muted);
  font-weight: 600;
}

.learn-breadcrumb-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.learn-breadcrumb a {
  color: var(--learn-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.learn-breadcrumb a:hover {
  color: var(--learn-ink);
}

.learn-breadcrumb .separator {
  color: rgba(123, 107, 97, 0.6);
}

.learn-breadcrumb .current {
  color: var(--learn-ink);
  font-weight: 700;
}

/* Article layout with sidebar TOC */
.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .article-layout {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 3rem;
  }
}

/* Table of Contents */
.toc {
  display: none;
}

@media (min-width: 1024px) {
  .toc {
    display: block;
    position: sticky;
    top: 2rem;
    align-self: start;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
  }
}

.toc-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--learn-muted);
  margin-bottom: 0.75rem;
}

.toc-list {
  list-style: none;
  padding: 0 0 0 2px;
  margin: 0;
  border-left: 2px solid var(--learn-line);
}

.toc-list li {
  margin: 0;
}

.toc-list a {
  display: block;
  padding: 0.4rem 0 0.4rem 1rem;
  font-size: 0.82rem;
  color: var(--learn-muted);
  text-decoration: none;
  line-height: 1.4;
  transition: all 0.15s ease;
  border-left: 2px solid transparent;
  margin-left: -2px;
  border-radius: 0 8px 8px 0;
}

.toc-list a:hover {
  color: var(--learn-ink);
  border-left-color: rgba(242, 122, 82, 0.6);
  background-color: rgba(255, 240, 230, 0.7);
}

.toc-list a.active {
  color: var(--learn-accent);
  border-left-color: var(--learn-accent);
  font-weight: 700;
  background-color: rgba(255, 240, 230, 0.9);
}

/* Learn email capture modal */
.learn-email-modal-backdrop {
  --learn-panel: var(--public-panel);
  --learn-soft: var(--public-soft);
  --learn-line: var(--public-line);
  --learn-accent: var(--public-accent);
  --learn-accent-dark: var(--public-accent-dark);
  --learn-ink: var(--public-ink);
  --learn-muted: var(--public-muted);
  --learn-shadow: var(--public-shadow);

  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(28, 22, 18, 0.64);
}

.learn-email-modal-backdrop[hidden] {
  display: none;
}

.learn-email-modal {
  position: relative;
  width: min(100%, 460px);
  padding: 26px;
  border: 1px solid var(--learn-line);
  border-radius: 8px;
  background: #fffaf7;
  color: var(--learn-ink);
  box-shadow: 0 22px 70px rgba(46, 37, 32, 0.26);
}

.public-page .learn-email-modal h2 {
  margin: 0 36px 10px 0;
  font-family: var(--public-font-accent);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--learn-accent);
  line-height: 1.2;
}

.learn-email-modal p {
  margin: 0 0 18px;
  color: var(--learn-muted);
  line-height: 1.55;
}

.learn-email-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: #fff0e7;
  color: var(--learn-muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.learn-email-close:hover {
  color: var(--learn-ink);
}

.learn-email-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--learn-ink);
  font-size: 0.9rem;
  font-weight: 700;
}

.learn-email-field input {
  width: 100%;
  min-width: 0;
  padding: 12px 13px;
  border: 1px solid #cfc5bd;
  border-radius: 999px;
  background: #ffffff;
  color: var(--learn-ink);
  font: inherit;
}

.learn-email-field input:focus {
  border-color: var(--learn-accent);
  outline: 3px solid rgba(242, 122, 82, 0.18);
}

.learn-email-modal .learn-email-consent {
  margin: 10px 0 0;
  font-size: 0.82rem;
}

.learn-email-modal .learn-email-error {
  min-height: 1.2em;
  margin: 8px 0 0;
  color: #b42318;
  font-size: 0.88rem;
  font-weight: 700;
}

.learn-email-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

.learn-email-actions .btn,
.learn-email-secondary {
  min-height: 44px;
  padding: 10px 16px;
  white-space: nowrap;
}

.learn-email-secondary {
  border: 2px solid #cfc5bd;
  border-radius: 999px;
  background: #ffffff;
  color: #7f756e;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.learn-email-secondary:hover {
  border-color: #a99d94;
  color: var(--learn-ink);
}

@media (max-width: 520px) {
  .learn-email-modal {
    padding: 22px;
  }

  .learn-email-actions {
    flex-direction: column;
  }

  .learn-email-actions .btn,
  .learn-email-secondary {
    width: 100%;
  }
}

/* Language index cards */
.language-card {
  display: block;
  padding: 16px;
  border: 2px solid var(--learn-line);
  border-radius: 18px;
  text-decoration: none;
  background: var(--learn-panel);
  transition: all 0.2s ease;
}

.language-card:hover {
  border-color: rgba(242, 122, 82, 0.55);
  background: var(--learn-soft);
  box-shadow: var(--learn-shadow);
  transform: translateY(-1px);
}

.language-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--learn-ink);
}

.language-card-count {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.9rem;
  color: var(--learn-muted);
}

/* Base prose typography */
.prose {
  color: var(--learn-ink);
  line-height: 1.75;
  font-size: 1rem;
}

.prose > :first-child {
  margin-top: 0;
}

.prose > :last-child {
  margin-bottom: 0;
}

/* Headings */
.prose h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--learn-accent);
  font-family: var(--public-font-accent);
  line-height: 1.3;
}

.prose h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--learn-ink);
  line-height: 1.4;
}

.prose h4 {
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--learn-ink);
}

/* Paragraphs */
.prose p {
  margin-bottom: 1.25rem;
}

/* Lists */
.prose ul,
.prose ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.prose ul {
  list-style-type: disc;
}

.prose ol {
  list-style-type: decimal;
}

.prose li {
  margin-bottom: 0.5rem;
  line-height: 1.65;
}

.prose li > ul,
.prose li > ol {
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

/* Inline elements */
.prose strong {
  font-weight: 700;
  color: var(--learn-ink);
}

.prose em {
  font-style: italic;
}

.prose a {
  color: var(--learn-accent);
  font-weight: 600;
  text-decoration: none;
}

.prose a:hover {
  color: var(--learn-accent-dark);
  text-decoration: underline;
}

.prose code {
  background-color: rgba(242, 122, 82, 0.12);
  padding: 0.125rem 0.375rem;
  border-radius: 0.35rem;
  font-size: 0.875rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: var(--learn-ink);
}

/* Block quotes */
.prose blockquote {
  margin: 1.25rem 0;
  padding-left: 1rem;
  border-left: 4px solid var(--learn-line);
  color: var(--learn-muted);
  font-style: italic;
}

/* Horizontal rules */
.prose hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid var(--learn-line);
}

/* Generic tables in prose */
.prose table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  font-size: 0.9rem;
  background-color: var(--learn-panel);
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid var(--learn-line);
}

.prose th,
.prose td {
  border: 1px solid var(--learn-line);
  padding: 0.75rem 1rem;
  text-align: left;
}

.prose th {
  background-color: rgba(255, 240, 230, 0.8);
  font-weight: 700;
  color: var(--learn-ink);
}

.prose tbody tr:nth-child(even) {
  background-color: rgba(255, 245, 238, 0.7);
}

/* Grammar conjugation tables */
.grammar-table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  font-size: 0.92rem;
  background-color: var(--learn-panel);
  border-radius: 0.75rem;
  overflow: hidden;
  border: 2px solid var(--learn-line);
  box-shadow: var(--learn-shadow);
}

.grammar-table th,
.grammar-table td {
  border: 1px solid rgba(240, 201, 178, 0.8);
  padding: 0.75rem 1rem;
  text-align: left;
}

.grammar-table th {
  background-color: rgba(255, 240, 230, 0.8);
  font-weight: 700;
  color: var(--learn-ink);
  text-transform: none;
  letter-spacing: normal;
}

.grammar-table td {
  color: var(--learn-ink);
}

.grammar-table td:first-child {
  font-weight: 700;
  color: var(--learn-ink);
  background-color: rgba(255, 250, 246, 0.8);
}

.grammar-table tbody tr:hover {
  background-color: rgba(255, 245, 238, 0.7);
}

/* Vocabulary and scenario tables */
.vocab-table,
.scenario-table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  font-size: 0.92rem;
  background-color: var(--learn-panel);
  border-radius: 0.75rem;
  overflow: hidden;
  border: 2px solid var(--learn-line);
  box-shadow: var(--learn-shadow);
}

.vocab-table th,
.vocab-table td,
.scenario-table th,
.scenario-table td {
  border: 1px solid rgba(240, 201, 178, 0.8);
  padding: 0.75rem 1rem;
  text-align: left;
}

.vocab-table th,
.scenario-table th {
  background-color: rgba(255, 240, 230, 0.8);
  font-weight: 700;
  color: var(--learn-ink);
}

.vocab-table tbody tr:nth-child(even),
.scenario-table tbody tr:nth-child(even) {
  background-color: rgba(255, 245, 238, 0.7);
}

.vocab-table .vocab-term-column {
  white-space: nowrap;
}

.vocab-term-details {
  display: flex;
  min-width: max-content;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  line-height: 1.3;
}

.vocab-term-word,
.vocab-pronunciation {
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: normal;
}

.vocab-pronunciation {
  color: var(--learn-muted);
  font-size: 0.84rem;
  font-weight: 400;
}

@media (min-width: 641px) {
  .vocab-table td.vocab-term-column .learn-audio-term {
    grid-template-columns: max-content auto;
    width: max-content;
  }
}

.learn-audio-term {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  max-width: 100%;
  vertical-align: middle;
}

.learn-audio-label {
  min-width: 0;
  overflow-wrap: anywhere;
}

.learn-audio-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: end;
  width: 1.85rem;
  height: 1.85rem;
  flex: 0 0 auto;
  padding: 0;
  border: 1px solid rgba(242, 122, 82, 0.35);
  border-radius: 999px;
  background: #fff;
  color: var(--learn-accent);
  box-shadow: 0 1px 2px rgba(31, 41, 55, 0.08);
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease;
}

.learn-audio-button svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.learn-audio-button:hover,
.learn-audio-button:focus-visible,
.learn-audio-button.is-playing {
  border-color: var(--learn-accent);
  background: rgba(242, 122, 82, 0.1);
  box-shadow: 0 2px 6px rgba(242, 122, 82, 0.18);
  outline: none;
  transform: translateY(-1px);
}

.learn-audio-button.is-playing {
  background: var(--learn-accent);
  color: #fff;
}

/* Russian greetings conversation pilot */
.learn-conversation-card {
  position: relative;
  margin: 1.75rem 0 2.25rem;
  overflow: hidden;
  border: 2px solid rgba(31, 154, 140, 0.28);
  border-radius: 18px;
  background:
    radial-gradient(circle at 90% 0%, rgba(31, 154, 140, 0.18), transparent 36%),
    linear-gradient(145deg, #fffaf6 0%, #fff2e9 100%);
  box-shadow: 0 18px 45px rgba(54, 39, 31, 0.12);
}

.learn-conversation-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--learn-accent), #1f9a8c);
}

.learn-conversation-intro {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.4rem;
  align-items: center;
  padding: 1.65rem;
}

.learn-conversation-intro[hidden],
.learn-conversation-session[hidden],
.learn-conversation-heard[hidden],
.learn-conversation-finished[hidden],
.learn-conversation-mic[hidden] {
  display: none;
}

.learn-conversation-character {
  position: relative;
  display: grid;
  place-items: center;
  width: 88px;
  height: 88px;
  border: 5px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  background: linear-gradient(145deg, #237f77, #1f9a8c);
  color: #fff;
  box-shadow: 0 10px 24px rgba(31, 154, 140, 0.25);
  font-family: var(--public-font-accent);
  font-size: 2rem;
  font-weight: 800;
}

.learn-conversation-character i {
  position: absolute;
  right: 0;
  bottom: 4px;
  width: 16px;
  height: 16px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: #27ae60;
}

.learn-conversation-eyebrow {
  display: block;
  margin-bottom: 0.3rem;
  color: #14766c;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.prose .learn-conversation-pitch h2 {
  margin: 0 0 0.45rem;
  color: var(--learn-ink);
  font-size: 1.55rem;
}

.prose .learn-conversation-pitch p {
  max-width: 620px;
  margin: 0 0 0.8rem;
  color: var(--learn-muted);
  line-height: 1.55;
}

.learn-conversation-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.learn-conversation-tags span {
  padding: 0.2rem 0.58rem;
  border: 1px solid rgba(31, 154, 140, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: #36655f;
  font-size: 0.74rem;
  font-weight: 700;
}

.learn-conversation-start,
.learn-conversation-send {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 44px;
  padding: 0.7rem 1.15rem;
  border: 0;
  border-radius: 999px;
  background: var(--learn-accent);
  color: #fff;
  box-shadow: 0 7px 18px rgba(242, 122, 82, 0.25);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    background 0.15s ease;
}

.learn-conversation-start:hover,
.learn-conversation-send:hover {
  background: var(--learn-accent-dark);
  box-shadow: 0 9px 22px rgba(242, 122, 82, 0.3);
  transform: translateY(-1px);
}

.learn-conversation-session {
  padding: 1.25rem;
}

.learn-conversation-session-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(31, 154, 140, 0.18);
}

.learn-conversation-person {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.learn-conversation-avatar {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #1f9a8c;
  color: #fff;
  font-family: var(--public-font-accent);
  font-weight: 800;
}

.learn-conversation-person strong,
.learn-conversation-person small {
  display: block;
  line-height: 1.25;
}

.learn-conversation-person strong {
  color: var(--learn-ink);
  font-size: 0.95rem;
}

.learn-conversation-person small {
  margin-top: 0.15rem;
  color: var(--learn-muted);
  font-size: 0.72rem;
}

.learn-conversation-live {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #14766c;
  font-size: 0.72rem;
  font-weight: 800;
}

.learn-conversation-live i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #27ae60;
  box-shadow: 0 0 0 4px rgba(39, 174, 96, 0.13);
}

.prose .learn-conversation-messages {
  display: flex;
  max-height: 440px;
  flex-direction: column;
  gap: 0.85rem;
  margin: 0;
  padding: 1.2rem 0;
  overflow-y: auto;
  list-style: none;
  scroll-behavior: smooth;
}

.prose .learn-conversation-message {
  width: min(88%, 560px);
  margin: 0;
}

.prose .learn-conversation-message.is-user {
  align-self: flex-end;
}

.prose .learn-conversation-message.is-typing {
  width: fit-content;
  min-width: 72px;
}

.learn-conversation-message-meta {
  display: flex;
  min-height: 28px;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0.4rem 0.3rem;
  color: var(--learn-muted);
  font-size: 0.72rem;
}

.is-user .learn-conversation-message-meta {
  justify-content: flex-end;
}

.learn-conversation-replay {
  display: inline-grid;
  place-items: center;
  width: 27px;
  height: 27px;
  padding: 0;
  border: 1px solid rgba(31, 154, 140, 0.25);
  border-radius: 50%;
  background: #fff;
  color: #14766c;
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    background 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease;
}

.learn-conversation-replay:hover,
.learn-conversation-replay:focus-visible {
  border-color: #14766c;
  outline: none;
  box-shadow: 0 0 0 3px rgba(31, 154, 140, 0.14);
}

.learn-conversation-replay.is-playing {
  border-color: #14766c;
  background: #14766c;
  color: #fff;
  box-shadow: 0 0 0 4px rgba(31, 154, 140, 0.12);
}

.learn-conversation-replay svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.learn-conversation-stop-icon {
  display: none;
}

.learn-conversation-replay.is-playing .learn-conversation-replay-icon {
  display: none;
}

.learn-conversation-replay.is-playing .learn-conversation-stop-icon {
  display: block;
}

.learn-conversation-bubble {
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(31, 154, 140, 0.2);
  border-radius: 6px 16px 16px 16px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 5px 16px rgba(50, 38, 32, 0.07);
}

.is-user .learn-conversation-bubble {
  border-color: rgba(242, 122, 82, 0.22);
  border-radius: 16px 6px 16px 16px;
  background: #fff0e7;
}

.prose .learn-conversation-bubble > p {
  margin: 0;
  color: var(--learn-ink);
  font-size: 0.98rem;
  line-height: 1.5;
}

.learn-conversation-text [data-speech-start].is-speaking,
.learn-conversation-text.is-speaking-fallback {
  text-decoration-line: underline;
  text-decoration-color: var(--learn-accent);
  text-decoration-thickness: 0.13em;
  text-underline-offset: 0.18em;
}

.learn-conversation-typing {
  display: flex;
  min-width: 58px;
  min-height: 42px;
  align-items: center;
  justify-content: center;
}

.learn-conversation-typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
}

.learn-conversation-typing-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4d7e78;
  animation: learn-conversation-typing-dot 1.15s ease-in-out infinite;
  opacity: 0.3;
}

.learn-conversation-typing-dots i:nth-child(2) {
  animation-delay: 0.16s;
}

.learn-conversation-typing-dots i:nth-child(3) {
  animation-delay: 0.32s;
}

.learn-conversation-sample {
  margin: 0.9rem 0 1.5rem;
  padding: 0.25rem 1rem;
  border-left: 4px solid #1f9a8c;
  border-radius: 0 12px 12px 0;
  background: rgba(229, 249, 244, 0.55);
}

.prose .learn-conversation-sample p {
  margin: 0.8rem 0;
}

@keyframes learn-conversation-typing-dot {
  0%,
  60%,
  100% {
    opacity: 0.3;
    transform: translateY(0);
  }

  30% {
    opacity: 1;
    transform: translateY(-2px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .learn-conversation-typing-dots i {
    animation: none;
    opacity: 0.65;
  }
}

.learn-conversation-feedback {
  margin-top: 0.6rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--learn-line);
  color: var(--learn-muted);
  font-size: 0.78rem;
}

.learn-conversation-feedback summary {
  color: #14766c;
  font-weight: 700;
  cursor: pointer;
}

.prose .learn-conversation-feedback p {
  margin: 0.45rem 0 0;
  line-height: 1.45;
}

.learn-conversation-form {
  padding: 1rem;
  border: 1px solid rgba(31, 154, 140, 0.22);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.74);
}

.learn-conversation-form label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--learn-ink);
  font-size: 0.78rem;
  font-weight: 800;
}

.learn-conversation-form textarea {
  display: block;
  width: 100%;
  min-height: 64px;
  resize: vertical;
  padding: 0.75rem 0.85rem;
  border: 1px solid #cfc5bd;
  border-radius: 10px;
  background: #fff;
  color: var(--learn-ink);
  font: inherit;
  line-height: 1.45;
}

.learn-conversation-form textarea:focus {
  border-color: #1f9a8c;
  outline: 3px solid rgba(31, 154, 140, 0.15);
}

.prose .learn-conversation-heard {
  margin: 0.45rem 0 0;
  color: #14766c;
  font-size: 0.75rem;
  font-weight: 700;
}

.learn-conversation-actions {
  display: flex;
  justify-content: space-between;
  gap: 0.7rem;
  margin-top: 0.75rem;
}

.learn-conversation-mic {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid rgba(31, 154, 140, 0.32);
  border-radius: 999px;
  background: #fff;
  color: #14766c;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 800;
  cursor: pointer;
}

.learn-conversation-mic svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.learn-conversation-mic.is-listening {
  border-color: #d64343;
  background: #fff1f1;
  color: #b42318;
  animation: learn-mic-pulse 1.3s ease-in-out infinite;
}

@keyframes learn-mic-pulse {
  50% {
    box-shadow: 0 0 0 7px rgba(214, 67, 67, 0.1);
  }
}

.learn-conversation-send:disabled,
.learn-conversation-mic:disabled {
  cursor: wait;
  opacity: 0.58;
  transform: none;
}

.learn-conversation-finished {
  padding: 1rem;
  border: 1px solid rgba(31, 154, 140, 0.28);
  border-radius: 14px;
  background: rgba(229, 249, 244, 0.8);
  text-align: center;
}

.learn-conversation-finished strong {
  color: #146c63;
}

.prose .learn-conversation-finished p {
  margin: 0.35rem 0 0.75rem;
  color: var(--learn-muted);
  font-size: 0.86rem;
}

.learn-conversation-finished button {
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(31, 154, 140, 0.35);
  border-radius: 999px;
  background: #fff;
  color: #14766c;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 800;
  cursor: pointer;
}

.prose .learn-conversation-status,
.prose .learn-conversation-support,
.prose .learn-conversation-privacy,
.prose .learn-conversation-noscript {
  margin: 0.65rem 0 0;
  color: var(--learn-muted);
  font-size: 0.72rem;
  line-height: 1.45;
}

.prose .learn-conversation-status:empty {
  display: none;
}

.prose .learn-conversation-status[data-tone='error'] {
  color: #b42318;
  font-weight: 700;
}

.prose .learn-conversation-privacy {
  padding-top: 0.55rem;
  border-top: 1px solid rgba(31, 154, 140, 0.14);
}

@media (max-width: 640px) {
  .learn-conversation-intro {
    grid-template-columns: 1fr;
    padding: 1.25rem;
  }

  .learn-conversation-character {
    width: 68px;
    height: 68px;
    font-size: 1.55rem;
  }

  .learn-conversation-session {
    padding: 1rem;
  }

  .learn-conversation-live {
    display: none;
  }

  .prose .learn-conversation-message {
    width: 94%;
  }

  .learn-conversation-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .learn-conversation-mic,
  .learn-conversation-send {
    width: 100%;
  }
}

/* Related pages */
.learn-related {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--learn-line);
}

.learn-related h2 {
  margin: 0 0 1rem 0;
  font-size: 1.45rem;
  font-weight: 800;
  font-family: var(--public-font-accent);
  color: var(--learn-accent);
  line-height: 1.3;
}

.learn-related h3 {
  margin: 1.25rem 0 0.75rem 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--learn-ink);
}

/* CTA box */
.learn-cta {
  margin-top: 3rem;
  padding: 1.5rem 1.75rem;
  background: linear-gradient(135deg, #fff1e6, #ffe8da);
  border: 2px solid rgba(242, 122, 82, 0.3);
  border-radius: 1rem;
  box-shadow: var(--learn-shadow);
}

.learn-cta h2 {
  margin: 0 0 0.5rem 0;
  font-size: 1.2rem;
  font-weight: 800;
  font-family: var(--public-font-accent);
  color: var(--learn-ink);
}

.learn-cta p {
  margin: 0 0 1rem 0;
  color: var(--learn-muted);
}

/* Responsive tables */
@media (max-width: 640px) {
  .learn-main {
    padding-left: 18px;
    padding-right: 18px;
  }

  .learn-article {
    padding: 22px 20px;
  }

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

  .learn-link-list {
    grid-template-columns: 1fr;
  }

  .article-layout > * {
    min-width: 0;
  }

  .prose table,
  .grammar-table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    font-size: 0.82rem;
  }

  .prose .vocab-table,
  .prose .scenario-table {
    display: block;
    border: 0;
    background: transparent;
    box-shadow: none;
    overflow: visible;
    font-size: 0.9rem;
  }

  .vocab-table tbody,
  .scenario-table tbody {
    display: grid;
    gap: 0.65rem;
  }

  .vocab-table tr,
  .scenario-table tr {
    display: grid;
    gap: 0.5rem 0.75rem;
    padding: 0.75rem 0.85rem;
    border: 1px solid rgba(240, 201, 178, 0.9);
    border-radius: 8px;
    background: var(--learn-panel);
    box-shadow: 0 5px 14px rgba(42, 30, 24, 0.07);
  }

  .vocab-table tr:not([data-mobile-card-row]),
  .scenario-table tr:not([data-mobile-card-row]) {
    display: none;
  }

  .vocab-table th,
  .scenario-table th {
    display: none;
  }

  .vocab-table td,
  .scenario-table td {
    display: block;
    min-width: 0;
    padding: 0;
    border: 0;
  }

  .vocab-table td::before,
  .scenario-table td::before {
    content: attr(data-label);
    display: inline;
    margin: 0 0.35rem 0 0;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--learn-muted);
  }

  .vocab-table td:first-child,
  .scenario-table td:first-child {
    font-size: 1rem;
    color: var(--learn-ink);
  }

  .vocab-table td:first-child::before,
  .scenario-table td:first-child::before {
    content: none;
  }

  .vocab-table td[data-label='Word'],
  .vocab-table td[data-label='Phrase'],
  .vocab-table td.vocab-term-column {
    grid-column: 1 / -1;
    grid-row: 1;
    width: auto;
    white-space: normal;
  }

  .vocab-table td[data-label='Word'] .learn-audio-term,
  .vocab-table td[data-label='Phrase'] .learn-audio-term,
  .vocab-table td.vocab-term-column .learn-audio-term {
    align-items: start;
  }

  .vocab-table td.vocab-term-column .vocab-term-details {
    min-width: 0;
  }

  .vocab-table td.vocab-term-column .vocab-term-word,
  .vocab-table td.vocab-term-column .vocab-pronunciation {
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .vocab-table td[data-label='English'] {
    grid-column: 1 / -1;
    grid-row: 2;
    color: var(--learn-muted);
    font-style: italic;
    text-align: left;
  }

  .vocab-table td[data-label='English']::before,
  .vocab-table td[data-label='Word']::before,
  .vocab-table td[data-label='Phrase']::before,
  .vocab-table td.vocab-term-column::before,
  .vocab-table td[data-label='Pronunciation'] {
    display: none;
  }

  .vocab-table td[data-label='Example'],
  .vocab-table td[data-label='Context'] {
    grid-column: 1 / -1;
    color: var(--learn-muted);
    font-size: 0.86rem;
  }

  .vocab-table td[data-label='Example']::before,
  .vocab-table td[data-label='Context']::before {
    content: attr(data-label) ': ';
    margin-right: 0.2rem;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--learn-muted);
  }

  .prose table:not(.vocab-table):not(.scenario-table) th,
  .prose table:not(.vocab-table):not(.scenario-table) td,
  .grammar-table th,
  .grammar-table td {
    padding: 0.55rem 0.7rem;
  }
}