/* ALA V26.10.11 · Six practice modes, using the shared appearance palette. */
.practice-root {
  --practice-error-ink: #943e32;
  --practice-error-bg: #fff1ed;
  --practice-error-line: #b96c5d;
  --practice-card-radius: 22px;
  min-width: 0;
}
:root[data-theme="dark"] .practice-root {
  --practice-error-ink: #f0b5a7;
  --practice-error-bg: #382722;
  --practice-error-line: #b98072;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .practice-root {
    --practice-error-ink: #f0b5a7;
    --practice-error-bg: #382722;
    --practice-error-line: #b98072;
  }
}
.practice-root h1, .practice-root h2, .practice-root h3,
.practice-root p, .practice-root strong, .practice-root button { overflow-wrap: anywhere; }
.practice-root button, .practice-root select, .practice-root a { touch-action: manipulation; }
.practice-root button { -webkit-appearance: none; appearance: none; }
.practice-root select { max-width: 100%; min-width: 0; }
.practice-root button:disabled { cursor: default; }
.practice-root :focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
.practice-root [lang="th"], .practice-prompt-thai, .practice-answer-word,
.practice-option-thai, .practice-tile-thai, .practice-match-thai {
  font-family: Thonburi, "Leelawadee UI", sans-serif;
  line-height: 1.8;
  font-weight: 400;
}
.practice-root [lang="th"] { word-break: normal; }
.practice-thai, .practice-roman, .practice-meaning, .practice-word-chip > span {
  min-width: 0; max-width: 100%; overflow-wrap: anywhere;
}
.practice-roman, .practice-prompt-roman, .practice-option-roman,
.practice-match-roman, .practice-tile-roman {
  display: block; color: var(--muted); font-size: 13px; line-height: 1.8;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 400; letter-spacing: .1px;
}
/* Shared controls. */
.practice-primary, .practice-secondary, .practice-text-button, .practice-next {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 10px 17px; border: 1px solid var(--line);
  border-radius: 12px; font-size: 12px; line-height: 1.7; font-weight: 550;
  background: var(--paper); color: var(--ink);
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease;
}
.practice-primary, .practice-next { background: var(--green); color: var(--on-primary); border-color: var(--green); }
.practice-primary:hover:not(:disabled), .practice-next:hover:not(:disabled) { background: var(--primary-hover); border-color: var(--primary-hover); }
.practice-secondary:hover:not(:disabled) { background: var(--surface); border-color: var(--line-strong); }
.practice-text-button { border-color: transparent; background: transparent; color: var(--muted); padding-left: 10px; padding-right: 10px; }
.practice-text-button:hover:not(:disabled) { background: var(--surface-hover); color: var(--green); }
.practice-audio {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  min-height: 44px; min-width: 44px; padding: 9px 13px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--surface); color: var(--green); font-size: 11px;
}
.practice-audio:hover { background: var(--surface-hover); border-color: var(--line-strong); }
.practice-audio svg { width: 17px; height: 17px; flex-shrink: 0; }
.practice-audio[aria-pressed="true"] { color: var(--on-primary); background: var(--green); border-color: var(--green); }
.practice-overline { display: block; margin-bottom: 5px; color: var(--muted); font-size: 10px; line-height: 1.8; letter-spacing: .4px; }
.practice-subtle, .practice-selection-note, .practice-scope-note { font-size: 11px; line-height: 1.85; color: var(--muted); margin: 12px 0 0; }
.practice-notice, .practice-error, .practice-storage-notice {
  padding: 12px 16px; margin: 0 auto 18px; max-width: 1180px; border: 1px solid var(--warning-line);
  border-radius: 12px; color: var(--warning-ink); background: var(--warning-bg); font-size: 12px; line-height: 1.8;
}
.practice-notice:empty, .practice-speech-status:empty { display: none; }
.practice-speech-status { max-width: 920px; margin: 12px auto 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
/* Dashboard: choose a practice method, then a scope. */
.practice-dashboard { max-width: 1180px; margin: 0 auto; }
.practice-dashboard-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .7fr); column-gap: 36px; }
.practice-intro { min-width: 0; margin: 2px 0 30px; }
.practice-intro h1 { font-size: clamp(28px, 2.65vw, 37px); line-height: 1.4; letter-spacing: -1px; }
.practice-intro > p:last-child { margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.85; }
.practice-intro .eyebrow { font-size: 10px; margin-bottom: 10px; }
.practice-overview { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-self: center; gap: 0; min-width: 0; margin: 0 0 27px; }
.practice-overview > div { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 5px; min-width: 0; padding: 2px 20px; border-left: 1px solid var(--line); }
.practice-overview strong { color: var(--green); font-size: 28px; font-weight: 550; line-height: 1.3; font-variant-numeric: tabular-nums; }
.practice-overview span { color: var(--muted); font-size: 11px; }
.practice-resume-card, .practice-setup, .practice-recent { grid-column: 1 / -1; min-width: 0; }
.practice-resume-card { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 25px; margin: 0 0 22px; border: 1px solid var(--hero-line); border-radius: 18px; background: linear-gradient(110deg, var(--hero-start), var(--hero-end)); color: var(--hero-ink); }
.practice-resume-card > div { min-width: 0; }
.practice-resume-card h2 { margin-bottom: 4px; color: var(--hero-ink); font-size: 17px; line-height: 1.6; letter-spacing: 0; }
.practice-resume-card p, .practice-resume-card small, .practice-resume-card .practice-overline { color: var(--hero-muted); font-size: 11px; line-height: 1.8; }
.practice-resume-actions { display: flex; align-items: center; flex-shrink: 0; gap: 8px; }
.practice-resume-actions .practice-primary, .practice-resume-card .button { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.practice-resume-actions .practice-primary:hover, .practice-resume-card .button:hover { background: var(--accent-hover); }
.practice-resume-actions .practice-text-button { color: var(--hero-muted); }
.practice-resume-actions .practice-text-button:hover { background: var(--hero-track); color: var(--hero-ink); }
.practice-setup { padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: var(--paper); box-shadow: var(--shadow); }
.practice-setup fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.practice-setup legend { padding: 0; margin-bottom: 12px; font-size: 13px; font-weight: 650; color: var(--ink); }
.practice-setup-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; margin-bottom: 24px; }
.practice-setup-heading h2 { font-size: 19px; letter-spacing: -.3px; }
.practice-setup-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(272px, 1fr); align-items: stretch; gap: 28px; }
.practice-mode-section, .practice-scope-section { min-width: 0; }
.practice-mode-section { display: flex; flex-direction: column; }
.practice-section-caption { display: flex; align-items: center; gap: 9px; margin: 0 0 13px; color: var(--muted); font-size: 11px; font-weight: 550; line-height: 1.8; letter-spacing: .2px; }
.practice-section-caption > span { color: var(--green); font-size: 10px; font-variant-numeric: tabular-nums; }
.practice-mode-grid { display: grid; flex: 1; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; gap: 12px; }
.practice-mode-card {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  min-width: 0; min-height: 176px; padding: 18px; text-align: left;
  border: 1px solid var(--line); border-radius: 16px; color: var(--ink); background: var(--paper);
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease;
}
.practice-mode-top { display: flex; align-items: center; justify-content: space-between; gap: 6px; width: 100%; margin-bottom: 19px; }
.practice-mode-icon, .practice-mode-mark, .practice-mode-card > svg {
  display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
  width: 40px; height: 40px; padding: 10px; border-radius: 12px; background: var(--surface); color: var(--green);
}
.practice-mode-icon svg, .practice-mode-mark svg { width: 20px; height: 20px; }
.practice-mode-card > .practice-mode-mark, .practice-mode-card > .practice-mode-icon, .practice-mode-card > svg { margin-bottom: 18px; }
.practice-mode-tag { display: inline-flex; align-items: center; min-height: 22px; padding: 2px 7px; border-radius: 6px; color: var(--green); background: var(--green-soft); font-size: 9px; line-height: 1.6; font-weight: 500; white-space: nowrap; }
.practice-mode-card strong, .practice-mode-card h3 { display: block; font-size: 14px; line-height: 1.7; font-weight: 650; color: var(--ink); }
.practice-mode-card small, .practice-mode-card p, .practice-mode-description { display: block; margin-top: 6px; color: var(--muted); font-size: 11px; line-height: 1.85; font-weight: 400; }
.practice-mode-card:hover { background: var(--surface); border-color: var(--line-strong); }
.practice-mode-card[aria-pressed="true"] { border-color: var(--green); background: var(--green-soft); box-shadow: inset 0 0 0 1px var(--green); }
.practice-mode-card[aria-pressed="true"] .practice-mode-icon, .practice-mode-card[aria-pressed="true"] .practice-mode-mark, .practice-mode-card[aria-pressed="true"] > svg { background: var(--green); color: var(--on-primary); }
.practice-mode-card[aria-pressed="true"] .practice-mode-tag { color: var(--on-primary); background: var(--green); }
.practice-mode-card[aria-pressed="true"]::after { content: ""; position: absolute; right: 15px; bottom: 14px; width: 5px; height: 5px; border-radius: 50%; background: var(--green); }
.practice-scope-section { padding: 20px; border: 1px solid var(--line); border-radius: 17px; background: var(--surface); }
.practice-course-switch { display: flex; align-items: center; width: 100%; max-width: 100%; padding: 4px; gap: 3px; border: 1px solid var(--line); border-radius: 11px; background: var(--paper); }
.practice-course-switch button { flex: 1; min-height: 44px; min-width: 0; padding: 8px 9px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: var(--muted); font-size: 12px; font-weight: 600; }
.practice-course-switch button:hover { color: var(--green); background: var(--surface-hover); }
.practice-course-switch button[aria-pressed="true"] { color: var(--on-primary); background: var(--green); border-color: var(--green); }
.practice-filters { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; margin-top: 19px; }
.practice-filters label:last-child { grid-column: 1 / -1; }
.practice-filters label { display: grid; gap: 6px; min-width: 0; color: var(--muted); font-size: 11px; }
.practice-filters select { width: 100%; min-height: 46px; padding: 9px 27px 9px 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: var(--ink); font-size: 12px; text-overflow: ellipsis; }
.practice-filters select:focus-visible { border-color: var(--focus); }
.practice-review-row { display: flex; flex-direction: column; align-items: stretch; gap: 9px; margin-top: 20px; }
.practice-review-switch { display: flex; align-items: center; justify-content: stretch; min-height: 44px; padding: 3px; gap: 3px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); }
.practice-review-switch button { flex: 1; min-width: 0; min-height: 44px; border: 1px solid transparent; border-radius: 7px; padding: 8px 7px; background: transparent; color: var(--muted); font-size: 11px; }
.practice-review-switch button[aria-pressed="true"] { border-color: var(--line-strong); background: var(--green-soft); color: var(--green); font-weight: 600; }
.practice-review-switch button:hover:not([aria-pressed="true"]) { color: var(--green); background: var(--surface-hover); }
.practice-review-switch input { width: 18px; height: 18px; margin: 0; accent-color: var(--green); flex-shrink: 0; }
.practice-review-switch label { cursor: pointer; padding: 10px 0; }
.practice-pool-count { color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.practice-start { display: flex; justify-content: space-between; width: 100%; min-height: 50px; margin-top: 17px; padding-left: 17px; padding-right: 17px; font-size: 13px; }
.practice-scope-section > .practice-subtle { font-size: 10px; }
.practice-recent { margin-top: 29px; }
.practice-recent > h2, .practice-dashboard > h2 { margin: 0 0 13px; font-size: 18px; letter-spacing: -.2px; }
.practice-recent-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.practice-recent-card { min-width: 0; padding: 15px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
.practice-recent-card > summary { display: flex; align-items: center; justify-content: space-between; gap: 15px; min-height: 55px; padding: 0; list-style: none; }
.practice-recent-card > summary::-webkit-details-marker { display: none; }
.practice-recent-card > summary > span:first-child { flex: 1; min-width: 0; }
.practice-recent-card > summary strong { display: block; color: var(--ink); font-size: 12px; }
.practice-recent-meta { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; line-height: 1.8; }
.practice-recent-card > summary > span:last-child { color: var(--green); font-size: 10px; flex-shrink: 0; }
.practice-recent-card > summary::after { content: "+"; color: var(--muted); font-size: 17px; }
.practice-recent-card[open] > summary::after { content: "−"; }
.practice-history-words { padding-top: 3px; }
.practice-history-words .practice-word-list { grid-template-columns: minmax(0, 1fr); margin-bottom: 0; gap: 8px; }
.practice-history-words .practice-word-chip { padding: 10px 12px; background: var(--surface); }
.practice-history-words .practice-word-chip [lang="th"] { font-size: 19px; }
.practice-empty { padding: 28px 18px; text-align: center; border: 1px dashed var(--line-strong); border-radius: 13px; color: var(--muted); font-size: 12px; }
/* A quiet, consistent frame for every question. */
.practice-session { max-width: 920px; margin: 0 auto; }
.practice-session-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 23px; }
.practice-session-top > div { flex: 1; min-width: 0; text-align: center; }
.practice-session-top h1, .practice-session-top h2 { font-size: 21px; line-height: 1.6; letter-spacing: -.5px; }
.practice-session-top p { color: var(--muted); font-size: 11px; margin-top: 2px; }
.practice-session-top .practice-text-button { flex-shrink: 0; font-size: 11px; }
.practice-progress-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px 15px; margin: 0 0 9px; font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.practice-progress-row strong { color: var(--green); font-weight: 600; }
.practice-progress-track { display: block; position: relative; height: 4px; margin: 0 0 25px; border-radius: 99px; overflow: hidden; background: var(--progress-track); }
.practice-progress-track > span, .practice-progress-track > div { display: block; height: 100%; border-radius: inherit; background: var(--progress-fill); transition: width .18s ease; }
.practice-session-note { margin: -8px 0 20px; color: var(--muted); font-size: 11px; line-height: 1.85; }
.practice-question-card { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; min-height: 216px; padding: 28px 34px; border: 1px solid var(--line); border-radius: var(--practice-card-radius); background: var(--paper); text-align: center; box-shadow: var(--shadow); }
.practice-question-card > * { min-width: 0; max-width: 100%; }
.practice-question-card .eyebrow, .practice-question-label { margin-bottom: 12px; font-size: 10px; font-weight: 600; letter-spacing: .7px; color: var(--muted); }
.practice-question-instruction { color: var(--muted); font-size: 11px; margin-bottom: 10px; }
.practice-prompt-thai { color: var(--green); font-size: clamp(29px, 3vw, 42px); line-height: 1.75; }
.practice-prompt-roman { font-size: 17px; max-width: min(100%, 680px); }
.practice-prompt-zh { max-width: min(100%, 720px); font-size: clamp(22px, 2.8vw, 29px); font-weight: 550; line-height: 1.65; }
.practice-question-card .practice-audio { margin-top: 9px; }
.practice-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 18px 0; }
.practice-option { position: relative; display: grid; grid-template-columns: 32px minmax(0, 1fr); align-items: center; gap: 3px 15px; min-width: 0; min-height: 94px; padding: 18px; border: 1px solid var(--line); border-radius: 15px; background: var(--paper); color: var(--ink); text-align: left; transition: border-color .16s ease, background .16s ease; }
.practice-option-number { grid-column: 1; grid-row: 1 / span 2; display: grid; place-items: center; flex-shrink: 0; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: var(--surface); font-size: 11px; font-variant-numeric: tabular-nums; }
.practice-option-content { grid-column: 2; display: block; min-width: 0; font-size: 15px; line-height: 1.85; }
.practice-option-content > [lang="th"], .practice-option-thai { display: block; font-size: 22px; color: var(--green); line-height: 1.8; }
.practice-option:hover:not(:disabled) { border-color: var(--line-strong); background: var(--surface); }
.practice-option:disabled { opacity: 1; }
.practice-option[aria-pressed="true"], .practice-option[data-result="correct"] { border-color: var(--green); background: var(--green-soft); }
.practice-option[data-result="correct"] { box-shadow: inset 0 0 0 1px var(--green); }
.practice-option[data-result="correct"] .practice-option-number { border-color: var(--green); background: var(--green); color: var(--on-primary); }
.practice-option[data-result="wrong"] { border-color: var(--practice-error-line); background: var(--practice-error-bg); }
.practice-option[data-result="wrong"] .practice-option-number { color: var(--practice-error-ink); border-color: var(--practice-error-line); background: var(--practice-error-bg); }
.practice-result-label { display: block; margin-top: 5px; font-size: 10px; line-height: 1.7; font-weight: 600; color: var(--green); }
.practice-option > .practice-result-label { grid-column: 2; margin-top: 2px; }
[data-result="wrong"] .practice-result-label { color: var(--practice-error-ink); }
/* Listening: a deliberate play action, then an answer. */
.practice-listen-prompt { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 27px; width: 100%; padding: 9px 0; }
.practice-listen-button { position: relative; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; width: 88px; height: 88px; padding: 22px; border: 1px solid var(--green); border-radius: 50%; background: var(--green); color: var(--on-primary); box-shadow: 0 0 0 9px var(--green-soft); transition: background .16s ease, box-shadow .16s ease; }
.practice-listen-button svg { width: 32px; height: 32px; flex-shrink: 0; }
.practice-listen-button:hover { background: var(--primary-hover); border-color: var(--primary-hover); box-shadow: 0 0 0 12px var(--green-soft); }
.practice-listen-button[aria-pressed="true"] { background: var(--primary-hover); border-color: var(--primary-hover); }
.practice-listen-copy { min-width: 0; text-align: left; }
.practice-listen-copy h2, .practice-listen-copy strong { display: block; font-size: 21px; line-height: 1.6; font-weight: 550; }
.practice-listen-copy p, .practice-listen-hint { color: var(--muted); font-size: 12px; line-height: 1.9; margin-top: 7px; }
.practice-listen-bars { display: flex; align-items: center; justify-content: center; gap: 4px; height: 26px; margin-top: 13px; color: var(--green); }
.practice-listen-bars span, .practice-listen-bars i { display: block; width: 3px; height: 8px; border-radius: 3px; background: currentColor; transform-origin: center; }
.practice-listen-bars :nth-child(2n) { height: 16px; }
.practice-listen-bars :nth-child(3n) { height: 23px; }
.practice-listen-button .practice-listen-bars { position: absolute; inset: 0; height: auto; margin: 0; color: inherit; opacity: 0; }
.practice-listen-button[aria-pressed="true"] > svg { opacity: 0; }
.practice-listen-button[aria-pressed="true"] .practice-listen-bars { opacity: 1; }
.practice-listen-button[aria-pressed="true"] .practice-listen-bars > *, .practice-listen-prompt:has(.practice-listen-button[aria-pressed="true"]) .practice-listen-bars > * { animation: practice-listen-wave .8s ease-in-out infinite alternate; }
.practice-listen-prompt:has(.practice-listen-button[aria-pressed="true"]) .practice-listen-bars > :nth-child(2n) { animation-delay: -.25s; }
.practice-listen-prompt:has(.practice-listen-button[aria-pressed="true"]) .practice-listen-bars > :nth-child(3n) { animation-delay: -.5s; }
.practice-listen-transcript { margin-top: 15px; padding: 13px 17px; width: 100%; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.practice-listen-transcript .practice-thai { display: block; font-size: 25px; color: var(--green); }
.practice-listen-transcript > p { margin-top: 6px; color: var(--muted); font-size: 11px; line-height: 1.8; }
.practice-listen-hint .practice-text-button { font-size: 11px; }
@keyframes practice-listen-wave { from { transform: scaleY(.45); } to { transform: scaleY(1.15); } }
/* Sentence ordering: tap-friendly, indivisible Thai + romanization chunks. */
.practice-order-prompt { padding: 25px 28px; margin-bottom: 18px; border: 1px solid var(--line); border-radius: var(--practice-card-radius); background: var(--paper); text-align: center; }
.practice-order-prompt .practice-prompt-zh, .practice-order-prompt h2 { margin: 8px auto 0; color: var(--ink); font-size: 23px; line-height: 1.8; font-weight: 550; }
.practice-order-prompt > p:first-child { color: var(--muted); font-size: 11px; }
.practice-order-workspace { min-width: 0; padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--paper); box-shadow: var(--shadow); }
.practice-order-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.practice-order-heading h3 { font-size: 13px; font-weight: 550; }
.practice-order-heading > span { color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.practice-order-answer { display: flex; align-items: flex-start; align-content: flex-start; flex-wrap: wrap; gap: 9px; min-width: 0; min-height: 126px; padding: 17px; border: 1px dashed var(--line-strong); border-radius: 14px; background: var(--surface); }
.practice-order-answer[data-result="correct"] { border-color: var(--green); border-style: solid; background: var(--green-soft); }
.practice-order-answer[data-result="wrong"] { border-color: var(--practice-error-line); background: var(--practice-error-bg); }
.practice-order-placeholder { align-self: center; width: 100%; color: var(--muted); text-align: center; font-size: 12px; line-height: 1.9; }
.practice-order-bank { display: flex; align-items: flex-start; align-content: flex-start; justify-content: center; flex-wrap: wrap; gap: 10px; min-width: 0; min-height: 105px; padding: 25px 2px 14px; }
.practice-chunk { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0; min-width: 62px; max-width: 100%; min-height: 72px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 11px; color: var(--green); background: var(--paper); box-shadow: 0 2px 0 var(--line); text-align: center; transition: border-color .16s ease, background .16s ease, box-shadow .16s ease; }
.practice-chunk-text { min-width: 0; max-width: 100%; overflow-wrap: anywhere; }
.practice-chunk [lang="th"], .practice-chunk .practice-thai { display: block; max-width: 100%; font-size: 21px; line-height: 1.8; }
.practice-chunk [lang="en"], .practice-chunk .practice-roman { font-size: 11px; line-height: 1.7; }
.practice-chunk:hover:not(:disabled) { border-color: var(--green); background: var(--green-soft); box-shadow: 0 2px 0 var(--green); }
.practice-order-answer .practice-chunk { padding-top: 20px; border-color: var(--line-strong); }
.practice-chunk-number { position: absolute; top: 4px; left: 8px; color: var(--muted); font-size: 9px; line-height: 1.4; font-variant-numeric: tabular-nums; }
.practice-chunk:disabled { opacity: 1; }
.practice-order-bank .practice-chunk:disabled { opacity: .35; box-shadow: none; }
.practice-order-toolbar { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 5px; margin-top: 9px; }
.practice-order-toolbar > div { display: flex; flex-wrap: wrap; gap: 4px; }
.practice-order-toolbar .practice-text-button { min-height: 44px; padding: 7px 10px; font-size: 11px; }
.practice-order-toolbar > span, .practice-order-toolbar > p { margin-right: auto; color: var(--muted); font-size: 11px; }
.practice-order-actions { display: flex; justify-content: flex-end; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 13px; padding-top: 18px; border-top: 1px solid var(--line); }
.practice-order-actions .practice-primary { min-width: 148px; }
.practice-order-actions .practice-subtle { flex: 1; min-width: 120px; margin: 0; }
.practice-order-feedback { margin-top: 18px; }
.practice-order-reference { margin-top: 18px; padding: 20px 24px; border: 1px solid var(--line-strong); border-radius: 17px; background: var(--green-soft); }
.practice-order-reference > p, .practice-order-note { color: var(--muted); font-size: 11px; line-height: 1.9; }
.practice-order-note { margin: 10px 2px 0; }
/* Matching and tile games retain a readable mobile board. */
.practice-game-instruction { color: var(--muted); font-size: 12px; line-height: 1.8; margin-bottom: 21px; }
.practice-match-labels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 76px; color: var(--muted); font-size: 11px; font-weight: 550; }
.practice-match-labels > span { padding-left: 3px; }
.practice-match-board { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 76px; margin: 18px 0; isolation: isolate; }
.practice-match-labels + .practice-match-board { margin-top: 10px; }
.practice-match-lines { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.practice-match-lines path, .practice-match-lines line { fill: none; stroke: var(--green); stroke-width: 2; stroke-linecap: round; opacity: .65; }
.practice-match-column { display: grid; grid-auto-rows: minmax(94px, auto); align-content: start; gap: 12px; min-width: 0; }
.practice-match-item { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 3px; min-width: 0; width: 100%; min-height: 94px; padding: 15px 19px; border: 1px solid var(--line); border-radius: 13px; color: var(--ink); background: var(--paper); text-align: left; font-size: 15px; line-height: 1.9; transition: background .15s ease, border-color .15s ease; }
.practice-match-item [lang="th"], .practice-match-thai { display: block; color: var(--green); font-size: 24px; line-height: 1.8; }
.practice-match-item:hover:not(:disabled) { background: var(--surface); border-color: var(--line-strong); }
.practice-match-item[data-selected="true"] { border-color: var(--green); background: var(--green-soft); box-shadow: inset 0 0 0 1px var(--green); }
.practice-match-item[data-matched="true"], .practice-match-item[data-result="correct"] { border-color: var(--line-strong); border-style: dashed; background: var(--surface); }
.practice-match-item[data-result="wrong"] { border-color: var(--practice-error-line); background: var(--practice-error-bg); }
.practice-match-item:disabled { opacity: 1; }
.practice-clear-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: minmax(136px, auto); gap: 12px; margin: 23px 0; }
.practice-tile { display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; gap: 5px; min-height: 136px; min-width: 0; padding: 27px 15px 19px; border: 1px solid var(--line); border-radius: 15px; color: var(--ink); background: var(--paper); text-align: center; font-size: 14px; line-height: 1.9; box-shadow: 0 3px 0 var(--line); transition: border-color .16s ease, background .16s ease, box-shadow .16s ease; }
.practice-tile[data-side="thai"] { background: var(--green-soft); }
.practice-tile[data-side="thai"] [lang="th"], .practice-tile-thai { display: block; color: var(--green); font-size: 24px; line-height: 1.8; }
.practice-tile-kind, .practice-tile-type, .practice-tile-label { position: absolute; top: 9px; left: 12px; color: var(--muted); font-size: 9px; letter-spacing: .8px; line-height: 1.5; }
.practice-tile .practice-roman, .practice-tile-roman { font-size: 12px; }
.practice-tile:hover:not(:disabled) { border-color: var(--line-strong); }
.practice-tile[data-selected="true"] { border-color: var(--green); box-shadow: 0 3px 0 var(--green), inset 0 0 0 1px var(--green); background: var(--surface-hover); }
.practice-tile[data-result="wrong"] { border-color: var(--practice-error-line); background: var(--practice-error-bg); box-shadow: 0 3px 0 var(--practice-error-line); }
.practice-tile[data-matched="true"] { pointer-events: none; opacity: 0; visibility: hidden; }
.practice-tile[data-matched="true"][data-clearing="true"] { animation: practice-clear-out .22s ease both; }
.practice-tile:disabled:not([data-matched="true"]) { opacity: 1; }
@keyframes practice-clear-out { from { opacity: 1; transform: scale(1); visibility: visible; } to { opacity: 0; transform: scale(.94); visibility: hidden; } }
.practice-board-status { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; min-height: 31px; margin-top: 12px; font-size: 11px; color: var(--muted); }
.practice-board-status > span:first-child { color: var(--green); font-weight: 550; }
.practice-board-complete { padding: 18px 21px; margin-top: 18px; border: 1px solid var(--line-strong); border-radius: 13px; background: var(--green-soft); color: var(--green); font-size: 13px; }
.practice-board-complete .practice-next { margin-bottom: 0; }
/* Answer review and the saved session summary. */
.practice-feedback { margin: 20px 0 17px; padding: 23px 26px; border: 1px solid var(--line-strong); border-radius: 18px; background: var(--paper); }
.practice-feedback[data-correct="true"] { border-color: var(--line-strong); background: var(--green-soft); }
.practice-feedback[data-correct="false"] { border-color: var(--practice-error-line); }
.practice-feedback-heading { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; color: var(--green); font-size: 14px; line-height: 1.8; font-weight: 650; }
.practice-feedback-heading svg { width: 19px; height: 19px; }
.practice-feedback[data-correct="false"] .practice-feedback-heading { color: var(--practice-error-ink); }
.practice-answer-word { display: flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 25px; color: var(--green); line-height: 1.75; }
.practice-answer-word > div { min-width: 0; }
.practice-answer-word .practice-audio { flex-shrink: 0; }
.practice-answer-word .practice-thai { display: block; }
.practice-feedback .practice-meaning, .practice-answer-meaning { margin-top: 8px; font-size: 13px; color: var(--ink); line-height: 1.8; }
.practice-example { margin-top: 17px; padding-top: 15px; border-top: 1px solid var(--line); }
.practice-example-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 10px; }
.practice-example > [lang="th"], .practice-example-thai { display: block; margin-top: 8px; font-size: 20px; line-height: 1.95; color: var(--green); }
.practice-example-roman { display: block; color: var(--muted); font-size: 12px; line-height: 1.9; margin-top: 5px; }
.practice-example-zh { display: block; color: var(--muted); font-size: 12px; line-height: 1.9; margin-top: 9px; }
.practice-example > .practice-audio { margin-top: 12px; }
.practice-next { display: flex; width: 100%; min-height: 48px; margin: 18px 0 0; font-size: 13px; }
.practice-session-status { min-height: 24px; color: var(--muted); font-size: 12px; line-height: 1.8; margin-top: 10px; }
.practice-summary { max-width: 920px; margin: 0 auto; }
.practice-summary > .eyebrow { text-align: center; font-size: 10px; color: var(--green); }
.practice-summary > h1 { font-size: 31px; text-align: center; }
.practice-summary > h2 { margin-top: 30px; text-align: left; font-size: 18px; }
.practice-summary > p { color: var(--muted); font-size: 12px; text-align: center; margin-top: 10px; }
.practice-summary-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 27px 0; }
.practice-summary-stats > div { min-width: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; min-height: 116px; padding: 18px 14px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); }
.practice-summary-stats strong { color: var(--green); font-size: 32px; line-height: 1.3; font-weight: 550; font-variant-numeric: tabular-nums; }
.practice-summary-stats span, .practice-summary-stats small { color: var(--muted); font-size: 11px; }
.practice-summary h3 { margin: 23px 0 12px; font-size: 16px; }
.practice-summary-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin: 24px 0 12px; }
.practice-summary-all { margin-top: 22px; border-top: 1px solid var(--line); padding-top: 5px; }
.practice-summary-all > summary { min-height: 44px; padding: 13px 0; color: var(--green); font-size: 12px; }
.practice-word-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 14px 0 25px; }
.practice-word-chip { display: block; min-width: 0; min-height: 76px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); font-size: 12px; line-height: 1.85; color: var(--ink); }
.practice-word-chip [lang="th"] { display: block; font-size: 21px; color: var(--green); line-height: 1.8; }
.practice-word-chip .practice-roman { font-size: 12px; }
.practice-word-chip > span:not([lang]) { display: block; margin-top: 7px; }
.practice-word-chip[data-wrong="true"] { border-color: var(--practice-error-line); }
.practice-word-result { display: inline-block; width: fit-content; max-width: 100%; margin: 8px 0 0; padding: 2px 7px; border-radius: 5px; background: var(--practice-error-bg); color: var(--practice-error-ink); font-size: 10px; }
/* Existing entry links into practice. */
.vocab-heading:has(.vocab-heading-actions) { flex-wrap: wrap; }
.vocab-heading-actions { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 10px; margin-left: auto; }
.vocab-heading-actions .button { min-height: 44px; white-space: nowrap; }
.reader-study-links { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 21px; margin-top: 11px; }
.reader-study-links .reader-vocabulary-link { margin-top: 0; min-height: 44px; }
@media (max-width: 1060px) {
  .practice-dashboard-heading { grid-template-columns: minmax(0, 1fr) minmax(270px, .8fr); column-gap: 23px; }
  .practice-overview > div { padding-left: 15px; padding-right: 10px; }
  .practice-setup { padding: 23px; }
  .practice-setup-layout { grid-template-columns: minmax(0, 1.8fr) minmax(250px, 1fr); gap: 20px; }
  .practice-mode-card { padding: 15px 13px; }
  .practice-mode-card strong { font-size: 13px; }
  .practice-scope-section { padding: 17px; }
}
@media (max-width: 900px) {
  .practice-dashboard-heading { display: block; }
  .practice-intro { margin-bottom: 21px; }
  .practice-overview { gap: 10px; margin-bottom: 23px; }
  .practice-overview > div { flex-direction: row; align-items: baseline; justify-content: flex-start; gap: 9px; padding: 15px 18px; border: 1px solid var(--line); border-radius: 13px; background: var(--paper); }
  .practice-setup-layout { grid-template-columns: minmax(0, 1fr); gap: 23px; }
  .practice-mode-card { min-height: 165px; padding: 17px; }
  .practice-mode-card strong { font-size: 14px; }
  .practice-scope-section { padding: 20px; }
  .practice-scope-section .practice-course-switch { max-width: 390px; }
  .practice-filters { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(120px, .65fr); }
  .practice-filters label:last-child { grid-column: auto; }
  .practice-review-row { flex-direction: row; align-items: center; justify-content: space-between; flex-wrap: wrap; }
  .practice-review-switch button { padding-left: 15px; padding-right: 15px; }
  .practice-match-labels, .practice-match-board { gap: 44px; }
  .practice-clear-grid { gap: 11px; }
  .practice-tile { padding-left: 12px; padding-right: 12px; }
  .practice-tile [lang="th"] { font-size: 22px; }
}
@media (max-width: 620px) {
  .practice-intro h1 { font-size: 29px; }
  .practice-intro > p:last-child { font-size: 12px; }
  .practice-overview { gap: 8px; }
  .practice-overview > div { align-items: flex-start; flex-direction: column; padding: 13px 11px; gap: 5px; border-radius: 11px; }
  .practice-overview strong { font-size: 25px; }
  .practice-overview span { font-size: 10px; }
  .practice-resume-card { align-items: flex-start; flex-direction: column; gap: 14px; padding: 18px; }
  .practice-resume-actions { width: 100%; flex-wrap: wrap; }
  .practice-resume-actions .practice-primary { flex: 1; }
  .practice-setup { padding: 18px; border-radius: 20px; }
  .practice-setup-heading { align-items: flex-start; margin-bottom: 18px; }
  .practice-setup-heading h2 { font-size: 17px; }
  .practice-setup-layout { gap: 22px; }
  .practice-mode-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .practice-mode-card { min-height: 150px; padding: 14px 12px; border-radius: 13px; }
  .practice-mode-top { gap: 5px; margin-bottom: 15px; }
  .practice-mode-icon, .practice-mode-mark { width: 35px; height: 35px; padding: 8px; border-radius: 10px; }
  .practice-mode-card strong, .practice-mode-card h3 { font-size: 13px; }
  .practice-mode-card small, .practice-mode-card p, .practice-mode-description { font-size: 11px; line-height: 1.65; }
  .practice-mode-tag { font-size: 8px; padding: 2px 5px; }
  .practice-mode-card[aria-pressed="true"]::after { right: 10px; bottom: 10px; }
  .practice-scope-section { padding: 16px; border-radius: 14px; }
  .practice-scope-section .practice-course-switch { max-width: none; }
  .practice-course-switch button { padding-left: 5px; padding-right: 5px; }
  .practice-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px 10px; }
  .practice-filters label:last-child { grid-column: 1 / -1; }
  .practice-filters select { font-size: 16px; padding-left: 9px; }
  .practice-review-row { align-items: flex-start; gap: 9px; }
  .practice-review-row .practice-review-switch { width: 100%; }
  .practice-review-row .practice-pool-count { width: 100%; }
  .practice-recent-list { grid-template-columns: minmax(0, 1fr); }
  .practice-session-top { align-items: center; gap: 9px; margin-bottom: 21px; }
  .practice-session-top h1, .practice-session-top h2 { font-size: 16px; }
  .practice-session-top .practice-text-button { padding: 8px 3px; font-size: 10px; }
  .practice-session-top .practice-overline { font-size: 9px; }
  .practice-progress-row { font-size: 10px; }
  .practice-progress-track { margin-bottom: 19px; }
  .practice-question-card { min-height: 184px; padding: 23px 21px; border-radius: 17px; }
  .practice-prompt-thai { font-size: 31px; }
  .practice-prompt-roman { font-size: 15px; }
  .practice-prompt-zh { font-size: 23px; }
  .practice-options { grid-template-columns: minmax(0, 1fr); gap: 10px; margin-top: 15px; }
  .practice-option { min-height: 78px; padding: 14px 16px; gap: 3px 12px; border-radius: 13px; }
  .practice-option-content { font-size: 14px; }
  .practice-option-content > [lang="th"], .practice-option-thai { font-size: 23px; }
  .practice-listen-prompt { gap: 19px; padding: 15px 0; }
  .practice-listen-button { width: 76px; height: 76px; padding: 21px; box-shadow: 0 0 0 7px var(--green-soft); }
  .practice-listen-button svg { width: 28px; height: 28px; }
  .practice-listen-copy h2, .practice-listen-copy strong { font-size: 18px; }
  .practice-listen-copy p, .practice-listen-hint { font-size: 11px; }
  .practice-listen-transcript { padding: 12px; }
  .practice-order-prompt { padding: 21px 19px; border-radius: 17px; }
  .practice-order-prompt .practice-prompt-zh, .practice-order-prompt h2 { font-size: 20px; }
  .practice-order-workspace { padding: 16px; border-radius: 17px; }
  .practice-order-reference { padding: 17px; }
  .practice-order-answer { gap: 8px; min-height: 138px; padding: 12px; }
  .practice-order-bank { justify-content: flex-start; gap: 9px; padding-top: 20px; }
  .practice-chunk { min-width: 53px; min-height: 68px; padding: 8px 11px; border-radius: 10px; }
  .practice-chunk [lang="th"], .practice-chunk .practice-thai { font-size: 20px; }
  .practice-chunk [lang="en"], .practice-chunk .practice-roman { font-size: 11px; }
  .practice-order-toolbar { gap: 3px; }
  .practice-order-actions { gap: 7px; padding-top: 16px; }
  .practice-order-actions .practice-primary { flex: 1; min-width: 0; }
  .practice-order-actions .practice-subtle { flex-basis: 100%; }
  .practice-game-instruction { font-size: 11px; }
  .practice-match-labels { gap: 25px; font-size: 10px; }
  .practice-match-board { gap: 25px; margin: 20px 0; }
  .practice-match-column { grid-auto-rows: minmax(111px, auto); gap: 10px; }
  .practice-match-item { min-height: 111px; padding: 12px; font-size: 13px; line-height: 1.9; border-radius: 11px; }
  .practice-match-item [lang="th"], .practice-match-thai { font-size: 21px; line-height: 1.85; }
  .practice-match-item .practice-roman, .practice-match-roman { font-size: 12px; line-height: 1.8; }
  .practice-clear-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: minmax(143px, auto); gap: 12px; margin: 20px 0; }
  .practice-tile { min-height: 143px; padding: 25px 13px 17px; border-radius: 13px; font-size: 13px; }
  .practice-tile[data-side="thai"] [lang="th"], .practice-tile-thai { font-size: 23px; }
  .practice-feedback { padding: 18px; margin-top: 18px; }
  .practice-answer-word { align-items: flex-start; gap: 10px; font-size: 25px; }
  .practice-answer-word .practice-audio { padding-left: 10px; padding-right: 10px; }
  .practice-example > [lang="th"], .practice-example-thai { font-size: 20px; }
  .practice-example > .practice-audio { width: 100%; }
  .practice-summary > h1 { font-size: 27px; }
  .practice-summary-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 23px 0; }
  .practice-summary-stats > div { min-height: 100px; padding: 15px 9px; border-radius: 12px; }
  .practice-summary-stats strong { font-size: 28px; }
  .practice-summary-stats span, .practice-summary-stats small { font-size: 10px; }
  .practice-word-list { grid-template-columns: minmax(0, 1fr); }
  .practice-summary-actions { gap: 10px; }
  .practice-summary-actions .practice-primary, .practice-summary-actions .practice-secondary { flex: 1 1 140px; }
  .practice-summary-actions .practice-text-button { width: 100%; }
  .vocab-heading-actions { width: 100%; justify-content: stretch; margin-left: 0; gap: 10px; }
  .vocab-heading-actions .button { flex: 1; }
  .reader-study-links { gap: 4px 16px; }
  #courseNav .course-nav-link { min-width: 0; min-height: 44px; flex: 1 1 0; }
}
@media (max-width: 360px) {
  .practice-setup { padding: 13px; }
  .practice-mode-grid { gap: 8px; }
  .practice-mode-card { padding: 13px 10px; min-height: 150px; }
  .practice-mode-card strong { font-size: 12px; }
  .practice-mode-top { flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
  .practice-scope-section { padding: 12px; }
  .practice-filters { grid-template-columns: minmax(0, 1fr); }
  .practice-filters label:last-child { grid-column: auto; }
  .practice-match-labels, .practice-match-board { gap: 18px; }
  .practice-match-item { padding: 10px; font-size: 12px; }
  .practice-match-item [lang="th"] { font-size: 20px; }
  .practice-session-top h1, .practice-session-top h2 { font-size: 14px; }
  .practice-tile { padding-left: 11px; padding-right: 11px; }
  .practice-listen-prompt { flex-direction: column; gap: 17px; }
  .practice-listen-copy { text-align: center; }
  .practice-order-workspace { padding: 12px; }
  .practice-order-answer { padding: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .practice-root *, .practice-root *::before, .practice-root *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .practice-tile[data-matched="true"] { opacity: 0; visibility: hidden; }
}