/* Compact two-tab navigation for the Part 4-only Listening 1B preview. */
@media(max-width:520px){.section-tab{flex-direction:column;gap:3px;min-width:0;padding:8px}.section-tab .tab-icon{min-width:0;min-height:18px;padding-right:0;border-right:0;gap:5px}.section-tab .tab-name{font-size:14px}.section-tab small{font-size:11px}.brand strong{font-size:13px}.brand small{font-size:7px}}
/* Keep the main subjects visible inside Test 5's wide hero frame. */
.hero[src*="p4-q095-q097"]{object-position:center top}
.hero[src*="p4-q098-q100"]{object-position:center 25%}
/* One outline per selected phrase, including the spaces between its words. */
.english .token.selected .glyph{background:transparent;outline:none;box-shadow:none;border-radius:0}
.phrase-selection{position:absolute;pointer-events:none;border:1px solid #c03e56;border-radius:5px;box-shadow:0 3px 10px #b423321a;z-index:1}
/* Linking curves remain solid; source review status is retained in the data. */
.speech-arcs path,.pending-candidate .speech-arcs path{stroke-dasharray:none}
/* Part 2 shares playback and learning controls with Part 4. */
.section-nav{display:flex}.section-tab{min-width:0;flex:1;max-width:440px}
.part2-switcher{display:flex;align-items:center;gap:12px;margin:0 0 20px;color:var(--ruby);font-weight:700}
.part2-switcher select{min-width:0;flex:1;max-width:720px;padding:12px;border:1px solid #dfd2c9;border-radius:16px;background:var(--pearl);color:var(--ruby)}
.part2-layout .transcript{overflow:visible;min-width:0}
.part2-sentence{display:grid;grid-template-columns:34px 44px minmax(0,1fr) 20px;align-items:center;gap:8px;padding:14px 16px;margin-bottom:12px;min-height:0;border-radius:28px;border:1px solid #ddd6d4;box-shadow:var(--shadow);background:var(--pearl)}
.part2-sentence .answer-letter{grid-column:1;grid-row:2;font:700 28px Georgia,serif;color:var(--ruby);text-align:center}
.part2-sentence .speaker-audio{grid-column:2;grid-row:2;width:44px;height:44px;border-radius:50%;background:var(--active);color:white;box-shadow:0 5px 12px #95172b24,inset 0 0 0 3px #ffffff70}
.part2-sentence .english{grid-column:3;grid-row:2;min-width:0}
.part2-sentence .translation{grid-column:3/-1;grid-row:1;margin:0;padding:0;font-size:17px}
.part2-sentence .sentence-tools{grid-column:5;grid-row:2;justify-content:flex-end;margin:0}
.part2-sentence .sentence-tools .pin{margin-left:auto}
.part2-sentence .learning-grid{grid-column:1/-1;grid-row:3;margin:2px 0 0;width:100%;padding:12px}
.part2-sentence .answer-tick{grid-column:4;grid-row:2;background:#358240;color:white;border-radius:50%;width:22px;height:22px;text-align:center;line-height:22px;font-weight:800}
.part2-sentence.correct,.part2-sentence.correct.open{background:linear-gradient(120deg,#e7f8de,#bde4b0);border-color:#b4d5a7}
.part2-layout .explanation-set{margin-top:0}.part2-layout .correct-proof{background:var(--green)}
.vocab-popup:not(:has(.vocab-image)){display:block}.vocab-popup:not(:has(.vocab-image)) .popup-content{padding:28px 16px 16px}
@media(max-width:1279px) and (min-width:761px){.part2-layout .question-column{grid-column:2}}
@media(max-width:760px){.part2-switcher{flex-wrap:wrap;gap:8px}.part2-switcher label{display:none}.part2-switcher select{flex-basis:100%;font-size:13px}.part2-sentence{grid-template-columns:26px 40px minmax(0,1fr) 18px;gap:6px;padding:12px 10px;border-radius:24px}.part2-sentence .answer-letter{font-size:25px}.part2-sentence .speaker-audio{width:40px;height:40px}.part2-sentence .translation{grid-column:1/-1;font-size:15px}.part2-sentence .answer-tick{width:18px;height:18px;font-size:12px;line-height:18px}.part2-sentence .learning-grid{grid-template-columns:1fr;margin-top:8px}.part2-sentence .sentence-tools{gap:4px}.part2-sentence .sentence-tools button{font-size:10px;padding:6px}.section-tab .tab-icon{border-right:0;padding-right:0}.section-tab{flex-direction:column;gap:4px;padding:8px 4px}.section-tab .tab-name{font-size:12px}.section-tab small{font-size:10px}.section-tab .tab-icon{font-size:10px;min-height:24px}}

.part2-layout .explanation-set{min-height:0;height:auto}.part2-layout .explanation{border-color:#98c881}.part2-layout .evidence-jump{background:var(--green);border-color:#a8d19b}.part2-layout .correct-proof p{background:transparent;border:0;box-shadow:none}

/* Keep the pin beside the sentence, without a separate empty controls row. */

.part2-sentence .speaker-audio svg{width:20px;height:20px}
.part2-sentence .sentence-tools .pin{padding:3px;min-height:28px;width:28px}

/* Every Part 2 translation and learning panel is visible from initial render. */
.part2-sentence{row-gap:0;overflow-anchor:none}
.part2-translation-reveal,.part2-learning-reveal{display:grid;grid-template-rows:1fr;opacity:1;min-width:0}
.part2-translation-reveal{grid-column:3/-1;grid-row:1}
.part2-learning-reveal{grid-column:1/-1;grid-row:3}
.part2-sentence.open :is(.part2-translation-reveal,.part2-learning-reveal){grid-template-rows:1fr;opacity:1}
.part2-sentence .reveal-inner{min-height:0;overflow:hidden}
.part2-translation-reveal .translation{padding-bottom:8px}
.part2-learning-reveal .learning-grid{margin-top:10px}
@media(max-width:760px){.part2-translation-reveal{grid-column:1/-1}}
@media(prefers-reduced-motion:reduce){.part2-translation-reveal,.part2-learning-reveal{transition:none}}

/* September 24 compact table, adapted from the approved Part 4/Topic skill. */
.learning-grid.compact-learning{display:flex;flex-direction:column;gap:0;padding:12px 16px}
.compact-learning .learning-column,.compact-learning .learning-column[data-category=connected-and-reduced]{display:flex;flex-direction:column;gap:8px;width:100%;padding:12px 0;margin:0;border:0;min-width:0}
.compact-learning .learning-column+.learning-column{border-top:1px solid #dedce1}
.compact-learning .learning-column[data-category=connected-and-reduced].empty{display:none}
.compact-learning .category-heading{display:flex;align-items:center;gap:8px;min-width:0}
.compact-learning .category-title{display:flex;align-items:center;justify-content:flex-start;gap:8px;min-height:0;margin:0;padding:0;border:0;border-radius:0;box-shadow:none;background:transparent;font-size:18px;line-height:1.3;text-align:left;min-width:0}
.compact-learning .category-title .category-label{font:inherit;min-width:0}
.compact-learning .category-count{display:inline;font:700 15px/1.3 Geist,sans-serif;color:inherit;white-space:nowrap}
.compact-learning .category-title .category-glass-icon{display:inline-flex;align-items:center;justify-content:center;flex:0 0 30px;width:30px;height:30px;border-radius:10px;border:1px solid #edc890;background:linear-gradient(145deg,#fffdf8,#f8e6c8);box-shadow:inset 0 1px 1px #fff,inset 0 -2px 3px #c5831620,0 2px 5px #58422512;color:#bc790c}
.compact-learning .category-glass-icon svg{width:18px;height:18px;stroke-width:1.7}
.compact-learning .category-connected-speech .category-glass-icon{color:#e43e67;border-color:#efc4cf;background:linear-gradient(145deg,#fff,#f9dfe8)}
.compact-learning .category-reduced-speech .category-glass-icon{color:#71849f;border-color:#c8d3e3;background:linear-gradient(145deg,#fff,#dde6f3)}
.compact-learning .category-connected-and-reduced .category-glass-icon{color:#9b709b;border-color:#dfc6e2;background:linear-gradient(145deg,#fff1f4,#e6eafa)}
.compact-learning .pending-label{margin:0;color:#75635e;font:500 10px/1.3 Geist,sans-serif}
.compact-learning .learning-items{display:flex;flex-flow:row wrap;align-items:stretch;gap:8px;min-width:0}
.compact-learning .learning-item{flex:0 1 auto;width:auto;max-width:100%;min-width:0;min-height:44px;margin:0;border-radius:12px;border:1px solid #ecd8ba;background:linear-gradient(135deg,#fffdf9,#faf0e2);box-shadow:inset 0 1px #fff,0 3px 8px #3127180a}
.compact-learning [data-category=connected-speech] .learning-item{border-color:#f1c7d2;background:linear-gradient(135deg,#fff,#fde9ee)}
.compact-learning [data-category=reduced-speech] .learning-item{border-color:#cfdae7;background:linear-gradient(135deg,#fff,#e8eff7)}
.compact-learning [data-category=connected-and-reduced] .learning-item{border-color:#d8c9e9;background:linear-gradient(120deg,#fff1f4,#eceefa)}
.compact-learning .learning-item.active{border-color:#ad193b;box-shadow:inset 0 0 0 1px #ad193b}
.compact-learning .item-main{padding:10px 18px;min-height:44px;height:100%;font-size:16px;line-height:1.5;white-space:normal;overflow-wrap:anywhere}
.compact-learning .item-main .phrase{line-height:1.5;white-space:normal}
.compact-learning .empty-category{min-height:0;margin:0;padding:0;text-align:left;font-size:13px;line-height:1.4}
.compact-learning .speech-speed{display:inline-flex;flex:0 0 auto;margin-left:auto;padding:2px;border:1px solid #dde1e7;border-radius:15px;background:linear-gradient(135deg,#fff,#eef2f7);box-shadow:0 2px 6px #3425210c,inset 0 1px #fff}
.compact-learning .speech-speed button{appearance:none;min-height:28px;min-width:38px;padding:4px 8px;border:1px solid transparent;border-radius:12px;background:transparent;color:#283444;font:700 12px/1.25 Geist,sans-serif}
.compact-learning .speech-speed button[aria-pressed=true]{background:linear-gradient(120deg,#fffdf9,#faecd7);border-color:#e8c79f;box-shadow:inset 0 -2px #cf8404,inset 0 1px #fff}
.compact-learning .speech-speed button:last-child[aria-pressed=true]{background:linear-gradient(120deg,#fff,#dee8f5);border-color:#aebfd8;box-shadow:inset 0 -2px #7a90b0,inset 0 1px #fff}
.compact-learning button:focus-visible{outline:3px solid #a91138;outline-offset:2px}
@media(max-width:650px){.learning-grid.compact-learning{padding:8px 10px}.compact-learning .category-title{font-size:14px;gap:6px}.compact-learning .category-heading{gap:6px}.compact-learning .category-count{font-size:12px}.compact-learning .item-main{font-size:14px;padding-inline:12px}.compact-learning .category-glass-icon{flex-basis:26px;width:26px;height:26px}.compact-learning .speech-speed button{min-width:32px;padding-inline:5px}}

/* Keep the existing question links reachable after removing the duplicate selector. */
@media(max-width:760px){.part2-layout>.contents{display:block;position:static;max-height:none;margin-bottom:12px;padding:8px}.part2-layout .contents-links{display:flex;gap:6px;overflow-x:auto;max-width:100%}.part2-layout .contents-links a{flex:0 0 auto;min-height:36px;margin:0;padding:8px 10px;font-size:11px}}