/* Word practice: one action at a time; detailed evidence stays behind disclosures.
   Preserve the existing wine/Segoe identity (editorial-greeting, seed 657092342).
   Desktop practice: 2 × 612px + 56px gap = 1280px. */
.practice-header {
  min-height: 72px;
  padding-block: 10px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 24px;
}
.practice-header .wordmark { font-size: 22px; gap: 10px; }
.practice-header .wordmark > .icon { width: 28px; height: 28px; }
.practice-header .practice-nav {
  grid-column: 2; grid-row: 1; justify-self: end; gap: 24px;
  font-size: 16px;
}
.practice-nav a { gap: 8px; line-height: 1.25; }
.practice-nav .icon { width: 18px; height: 18px; }
.practice-nav .ui-translation { font-size: 12px !important; }
.header-actions { grid-column: 3; grid-row: 1; gap: 8px; }
.header-actions button { min-height: 44px; padding: 8px 12px; font-size: 15px; }
.header-actions .icon { width: 19px; height: 19px; }
.language-button { width: auto; gap: 7px; white-space: nowrap; }
.help-language-label { display: inline; }
.language-code { font-size: 11px; }
.language-flag {
  display: block; flex: none; width: 32px; height: 22px;
  border: 1px solid #252c3626; border-radius: 3px; overflow: hidden;
}
.language-choice { gap: 14px; min-height: 70px; }
.language-choice > span:not(.language-choice-code) { flex: 1; }
.language-choice[aria-pressed=true] { background: var(--surface); }
.language-choice small { margin-top: 2px; }
.language-choice strong { font-weight: 600; }

main { padding-top: 26px; }
.back-to-words { margin-bottom: 20px; }
.word-task { display: block; margin-bottom: 24px; }
.task-category { display: flex; flex-wrap: wrap; align-items: baseline; gap: 5px; margin-bottom: 8px; font-size: 15px; }
.bank-word-title { font-size: clamp(64px, 7vw, 88px); line-height: 1.25; }
.word-pronunciation {
  display: flex; align-items: start; flex-wrap: wrap;
  gap: 8px 24px; margin-top: 4px;
}
.word-transcription {
  font-family: "Segoe UI", "DejaVu Sans", Arial, sans-serif;
  font-size: 28px; line-height: 1.6; color: #444b55;
  letter-spacing: .025em; overflow-wrap: anywhere;
}
.transcription-help { font-size: 14px; max-width: 600px; padding-top: 2px; }
.transcription-help > summary {
  display: flex; gap: 7px; align-items: center; min-height: 44px;
  cursor: pointer; color: var(--muted); list-style: none;
}
.transcription-help > summary .icon { width: 17px; height: 17px; }
.transcription-help > summary::-webkit-details-marker { display: none; }
.disclosure-chevron { transition: transform 150ms ease; }
details[open] > summary > .disclosure-chevron { transform: rotate(180deg); }
.transcription-guide { padding: 12px 0 16px; }
.transcription-guide dl { margin: 0 0 14px; }
.transcription-guide dl > div {
  display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 12px;
  margin-top: 10px;
}
.transcription-guide dt { color: var(--ink); font-size: 16px; }
.transcription-guide dd { margin: 0; color: var(--muted); }
.transcription-guide p + p { margin-top: 10px; }
.ipa-value { margin-left: 8px; font-size: 17px; color: var(--ink); }
.whole-word { font-size: 16px !important; margin-top: 8px; }
.catalog-transcription {
  display: block; font-size: 17px; line-height: 1.45;
  color: var(--muted); font-weight: 400; letter-spacing: .02em;
}
.choose-word { font-size: 32px; }
.choose-word .catalog-transcription { margin-top: 2px; }
.practice-steps { padding-top: 24px; }
.practice-steps h2 { font-size: 23px; gap: 10px; margin-bottom: 18px; }
.practice-steps h2 > .step-label { font: inherit; color: inherit; }
.practice-steps h2 > .step-number { color: var(--muted); font-size: 13px; }
.practice-steps h2 > .icon { width: 22px; height: 22px; color: var(--muted); }
.record-status-line { display: flex; align-items: baseline; gap: 8px; }
#record-live-icon { display: inline-flex; color: var(--negative); align-self: center; }
#record-live-icon .icon { width: 18px; height: 18px; }
.is-recording #record-status { color: var(--ink); }
#record-again .icon { width: 18px; height: 18px; }
.audio-limits { line-height: 1.5; }
.secure-link { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; }
.secure-link .icon { width: 15px; height: 15px; }
.network-help > summary { cursor: pointer; min-height: 36px; font-size: 12px; color: var(--muted); }
.network-help { font-size: 13px; }

.word-feedback { padding: 24px; border-radius: 12px; }
.word-feedback > h2 { font-size: 25px; margin-bottom: 6px; }
.word-feedback .expert-interpretation-note { margin: 0 0 12px; }
#feedback-status { font-size: 14px; color: var(--muted); margin-top: 6px; }
#feedback-status.feedback-error { color: var(--negative); }
#feedback-content { margin-top: 22px; }
.ai-expert-block { min-width: 0; }
.word-feedback .ai-expert-heading h3 { font-size: 21px; margin: 0; }
.expert-status { font-size: 14px; margin: 8px 0 12px; }
.expert-body { font-size: 17px; }
.expert-body .heard-line { margin: 12px 0 8px; font-size: 15px; }
.expert-body .review-summary { margin-top: 0; line-height: 1.7; }
.review-rating {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; margin-top: 16px;
}
.review-rating > span { color: var(--muted); font-size: 14px; }
.review-rating .rating-level { font-size: 23px; font-weight: 500; font-variant-numeric: tabular-nums; }
.imitation-next { margin: 18px 0; padding: 14px 16px; background: var(--ground); border-radius: 8px; }
.expert-body .imitation-next h4 { margin: 0; font-size: 16px; }
.expert-body .imitation-next p { margin-top: 6px; font-size: 16px; }
.review-disclosure, .expert-metadata { border-top: 1px solid var(--line); margin-top: 0; padding-top: 0; }
.review-disclosure > summary, .expert-metadata > summary,
.measurement-disclosure > summary {
  cursor: pointer; min-height: 48px; padding: 12px 0; display: list-item;
  font-size: 15px; color: var(--ink); line-height: 1.5;
}
.review-disclosure > summary::marker, .measurement-disclosure > summary::marker,
.expert-metadata > summary::marker { color: var(--muted); }
.review-disclosure[open], .expert-metadata[open] { padding-bottom: 16px; }
.review-disclosure p { font-size: 16px; }
.review-disclosure .ui-translation { font-size: 13px !important; }
.expert-body .expert-aspects h4 { margin-top: 16px; font-size: 16px; }
.expert-metadata > summary { color: var(--muted); font-size: 13px; min-height: 44px; }
.expert-metadata p { font-size: 13px; overflow-wrap: anywhere; }
.expert-detail-fold > summary { cursor: pointer; min-height: 48px; padding: 12px 0; font-size: 15px; }
.expert-detail-fold[open] { padding-bottom: 8px; }
.expert-detail-fold > .review-disclosure { margin-left: 12px; }

.word-analytics.analytics-disclosure {
  padding: 0; margin-top: 24px; border: 1px solid var(--line);
  border-radius: 12px; background: var(--surface);
}
.analytics-summary {
  display: flex; align-items: center; cursor: pointer; list-style: none;
  gap: 14px; padding: 20px 24px; min-height: 88px;
}
.analytics-summary::-webkit-details-marker { display: none; }
.analytics-summary > span { flex: 1; min-width: 0; }
.analytics-summary h2 { font-size: 21px; line-height: 1.4; }
.analytics-summary small { display: block; color: var(--muted); font-size: 14px; margin-top: 3px; }
.analytics-summary > .icon { width: 22px; height: 22px; color: var(--muted); }
.analytics-content { padding: 0 24px 24px; }
.analytics-heading { align-items: center; gap: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.analytics-heading p { margin: 0; font-size: 13px; }
.analytics-heading > button { font-size: 14px; min-height: 44px; padding: 8px 14px; }
.compare-controls { margin-top: 20px; gap: 16px; }
.compare-controls button { min-height: 48px; font-size: 16px; }
.compare-controls select { min-height: 44px; font-size: 15px; }
.analytics-tabs { gap: 24px; margin: 20px 0; max-width: 100%; }
.analytics-tabs button { font-size: 16px; min-height: 48px; }
.word-analytics [role=tabpanel] > h3 { font-size: 19px; }
.word-analytics .review-note { font-size: 13px; }
.measurement-disclosure { border-top: 1px solid var(--line); margin-top: 18px; }
.measurement-disclosure[open] { padding-bottom: 12px; }
.measurement-disclosure > h4 { font-size: 15px; margin: 16px 0 6px; }
.measurement-disclosure .fragment-measurement { padding: 0; margin: 0; border: 0; }
.fragment-toolbar { margin-top: 16px; }
.fragment-toolbar label { font-size: 14px; }
.fragment-toolbar select, .fragment-toolbar input { font-size: 16px; min-height: 46px; }
.fragment-actions button { font-size: 15px; min-height: 46px; }
.fragment-actions .loop-control { font-size: 14px; }
.voice-facts { gap: 18px 24px; }
.trace-chart { background: transparent; }
.spectrogram-pair { margin: 18px 0; gap: 24px; }
.spectrogram-pair figcaption { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 16px; }
.graph-open { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font-size: 13px; color: var(--muted); }
.graph-open .icon { width: 16px; height: 16px; }
.spectrogram-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
.spectrogram-pair img { border: 0; border-radius: 0; min-width: 560px; }
.metrics-scroll { margin-top: 16px; }
.word-metrics { table-layout: auto; font-size: 14px; min-width: 550px; }
.word-metrics th:first-child { width: 46%; }
.word-metrics th, .word-metrics td { overflow-wrap: normal; }
.word-metrics thead th { white-space: nowrap; }
.method-notes > summary { color: var(--muted); }
.review-note:empty { display: none; }

@media (min-width: 1000px) {
  #feedback-content { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; align-items: start; }
  .ai-expert-block + .ai-expert-block { margin: 0; padding: 0 0 0 28px; border-top: 0; border-left: 1px solid var(--line); }
}
@media (min-width: 681px) and (max-width: 1050px) {
  .practice-header { gap: 16px; }
  .practice-header .wordmark { font-size: 19px; gap: 8px; }
  .practice-header .practice-nav { grid-column: 2; grid-row: 1; gap: 16px; font-size: 15px; }
  .header-actions { grid-column: 3; grid-row: 1; }
  .logout-button > span { display: none; }
  .header-actions .logout-button { width: 44px; padding: 10px; }
  .practice-nav .icon { display: none; }
}
@media (min-width: 681px) and (max-width: 850px) {
  .practice-steps { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .listen-step { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 16px 20px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
  .listen-step > h2, .listen-step > p { grid-column: 1 / -1; }
  .listen-step > h2, .listen-step > p, .example-voice-label { margin: 0; }
  .example-voice-label { max-width: none; }
}
@media (max-width: 680px) {
  .practice-header, main { width: calc(100% - 32px); }
  .practice-header { display: flex; flex-wrap: nowrap; min-height: 64px; padding-block: 8px; gap: 10px; }
  .practice-header .wordmark { font-size: 18px; gap: 7px; min-width: 0; }
  .practice-header .wordmark > .icon { width: 25px; height: 25px; }
  .header-actions { gap: 5px; flex: none; margin-left: auto; }
  .header-actions button { min-height: 44px; padding: 8px; font-size: 14px; }
  .header-actions .logout-button { width: 40px; padding: 8px; }
  .logout-button > span { display: none; }
  .header-actions .language-button { width: auto; gap: 5px; }
  .language-button .icon { width: 17px; height: 17px; }
  .language-code { font-size: 10px; }
  .practice-header .practice-nav {
    position: fixed; inset: auto 0 0; z-index: 20; justify-content: center;
    width: 100%; justify-self: stretch; margin: 0;
    display: grid; grid-template-columns: 1fr 1fr; gap: 0;
    padding: 6px 16px calc(6px + env(safe-area-inset-bottom));
    background: var(--surface); border-top: 1px solid var(--line); font-size: 15px;
  }
  .practice-nav a { justify-content: center; min-height: 48px; gap: 9px; border-radius: 8px; padding: 6px; }
  .practice-nav a[aria-current] { background: var(--active); }
  .practice-nav .ui-translation { font-size: 11px !important; }
  .has-site-nav main { padding-bottom: calc(100px + env(safe-area-inset-bottom)); }
  main { padding-top: 20px; }
  .back-to-words { font-size: 13px; margin-bottom: 16px; }
  .task-category { font-size: 14px; margin-bottom: 10px; }
  .bank-word-title { font-size: clamp(58px, 17vw, 78px); }
  .bank-word-title.word-length-medium { font-size: clamp(46px, 13vw, 66px); }
  .bank-word-title.word-length-long { font-size: clamp(34px, 10vw, 52px); }
  .word-pronunciation { gap: 2px 14px; }
  .word-transcription { font-size: 24px; }
  .transcription-help { font-size: 13px; padding-top: 0; }
  .transcription-guide dl > div { grid-template-columns: minmax(0, 1fr); gap: 3px; }
  .whole-word { font-size: 15px !important; margin-top: 6px; }
  .practice-steps h2 { font-size: 22px; gap: 8px; }
  .practice-steps h2 > .icon { width: 20px; height: 20px; }
  .practice-steps > section + section { margin-top: 24px; }
  .listen-step { padding-bottom: 24px; }
  .choose-word { font-size: 30px; }
  .catalog-transcription { font-size: 16px; }
  .word-feedback { padding: 18px; }
  .word-feedback > h2 { font-size: 23px; }
  .ai-expert-block + .ai-expert-block { margin-top: 24px; padding-top: 24px; }
  .review-rating { gap: 10px; }
  .review-rating > span { font-size: 13px; }
  .analytics-summary { padding: 18px; gap: 10px; }
  .analytics-summary h2 { font-size: 19px; }
  .analytics-summary small { font-size: 12px; }
  .analytics-content { padding: 0 14px 18px; }
  .analytics-tabs { gap: 18px; }
  .analytics-tabs button { font-size: 15px; }
  .word-metrics { font-size: 13px; }
  .word-metrics th, .word-metrics td { padding: 10px 12px; }
  .word-metrics th:first-child { position: sticky; left: 0; background: var(--surface); min-width: 185px; z-index: 1; }
  .trace-chart { overflow: visible; }
  .training-intro h1 { font-size: 30px; }
  .training-intro p { font-size: 16px; }
}
@media (max-width: 380px) {
  .practice-header .wordmark { font-size: 16px; gap: 5px; }
  .practice-header .wordmark > .icon { width: 22px; height: 22px; }
  .language-button .icon, .language-code { display: none; }
  .header-actions .language-button { padding-inline: 10px; }
  .practice-steps h2 { font-size: 20px; }
  .practice-steps h2 .step-number { display: none; }
  .analytics-summary h2 { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) { .disclosure-chevron { transition: none; } }