/* In-app learning surfaces share the notebook palette and review controls. */
.native-nav{display:flex;gap:6px;overflow-x:auto;border-bottom:1px solid var(--line);padding:0 0 12px;margin:-10px 0 26px;scrollbar-width:thin}
.native-nav button{flex-shrink:0;border:0;background:transparent;border-radius:8px;padding:10px 13px;font-size:13px;min-height:44px;color:var(--muted)}
.native-nav button.active{background:var(--green-soft);color:var(--green);font-weight:650}
.native-module{display:flex;flex-direction:column;align-items:flex-start;gap:13px;min-height:225px}
.native-module p{color:var(--muted);font-size:14px;flex:1}.native-module .text-button{margin-top:auto}.native-module>.icon{width:27px;height:27px}
.native-extra{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:25px 0 8px;margin-top:26px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.native-stats{display:flex;flex-direction:column;align-items:flex-start;gap:15px}.native-stats h3{max-width:20em}.native-number{font-size:56px;line-height:1.1;font-weight:600;letter-spacing:-.05em;margin-top:8px}.native-number span{font-size:13px;font-weight:400;letter-spacing:0;margin-left:10px}.native-stats .text-button{margin-top:auto}
.native-loop-art .word-card{transform:rotate(7deg);width:235px;min-height:205px;padding:27px 23px;display:flex;flex-direction:column;justify-content:center;gap:17px}.native-loop-art .art-word{font-size:25px;line-height:1.6}.native-loop-art .art-meaning{font-size:12px}.native-loop-art .eyebrow{font-size:9px}
.native-levels{display:flex;gap:9px;flex-wrap:wrap;margin:0 0 25px}.native-path{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--green-soft);margin-bottom:26px}.native-path>div{max-width:780px}.native-path h2{margin:12px 0}.native-path p{color:var(--muted);font-size:14px}.native-path>.btn{flex-shrink:0;max-width:230px}
.native-study-grid{display:grid;grid-template-columns:255px minmax(0,1fr);gap:24px;align-items:start}.native-list{padding:23px 18px}.native-list h3{margin:0 10px 16px}.native-list-item{width:100%;text-align:left;display:flex;flex-direction:column;align-items:flex-start;gap:9px;padding:14px 12px;border:1px solid transparent;background:transparent;border-radius:11px;margin:4px 0}.native-list-item strong{font-size:14px}.native-list-item.active{border-color:var(--line);background:var(--green-soft)}.native-list .form-hint{margin:17px 10px 0}
.lesson-article{padding:32px}.lesson-article h2{font-size:32px;margin:23px 0 18px}.lesson-article>p{line-height:1.9;max-width:60em}.native-rule{border-left:3px solid var(--green);padding:13px 18px;font-size:20px;background:var(--green-soft);margin-bottom:22px}.native-example{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:20px;margin:23px 0}.native-example>p{font-size:19px;line-height:1.9;margin:12px 0 8px}.native-example>span:last-child{font-size:13px;color:var(--muted)}
.native-question{padding:30px}.native-question .answers{display:grid;gap:10px;margin:0 0 23px}.native-question>.btn{margin-top:0}.native-question .answer-option{display:flex;text-align:left;align-items:center;gap:14px;width:100%}.native-question .answer-option:disabled{opacity:1}.native-question .answer-option:disabled:not(.selected){color:var(--muted)}.native-feedback{border:1px solid #a8c7ad;border-left-width:4px;background:#f1f7ef;padding:18px 20px;border-radius:10px;margin:22px 0}.native-feedback p{margin-top:9px;font-size:14px;line-height:1.8}.native-feedback.incorrect{background:#fff7ed;border-color:#d9ab7b}.native-feedback strong{font-size:15px}.native-question .option-letter{flex-shrink:0}.native-question .question-passage{white-space:pre-wrap;line-height:1.9;margin-top:20px}
.native-dictionary{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:24px;align-items:start}.native-word-list{padding:22px 19px}.native-word-list>.between{padding:0 8px 19px}.native-word-list>.between h3{font-size:16px}.native-word-row{display:flex;align-items:center;justify-content:space-between;text-align:left;gap:15px;border:1px solid transparent;border-top-color:var(--line);background:transparent;padding:14px 11px;width:100%;border-radius:7px}.native-word-row.active{background:var(--green-soft);border-color:var(--line)}.native-word-row>span{display:flex;flex-direction:column;gap:4px;align-items:flex-start;min-width:0}.native-word-row>span:last-child{align-items:flex-end;text-align:right;font-size:12px;color:var(--muted)}.native-word-row strong{font-size:20px;font-weight:500}.native-word-row small{color:var(--muted)}.native-definition{padding:30px;position:sticky;top:calc(var(--review-h) + 20px)}.dictionary-headword{font-size:42px;line-height:1.5;margin-top:24px;overflow-wrap:anywhere}.native-definition .form-hint{margin-top:25px}.native-word-list .empty{padding:28px 10px}.native-word-list .empty h3{font-size:16px}
.native-conj-shell{max-width:760px;margin:auto;display:flex;flex-direction:column;gap:24px}.native-conj-card{text-align:center;padding:32px}.native-conj-word{font-size:48px;line-height:1.5;margin:30px 0 5px;overflow-wrap:anywhere}.native-conj-card form{max-width:520px;margin:27px auto 0}.conj-answer{width:100%;text-align:center;font-size:24px;padding:18px 15px;margin-bottom:18px}.conj-answer::placeholder{font-size:14px}.native-conj-card .native-feedback{text-align:left;max-width:600px;margin:25px auto}.native-conj-card .native-feedback .conj-correct{font-size:29px}.native-conj-card .flex{justify-content:center}.accent-keys{display:flex;justify-content:center;gap:8px;margin-bottom:22px}.accent-keys button{border:1px solid var(--line);border-radius:8px;min-width:38px;min-height:40px;background:var(--bg)}
.native-reading-text{padding:34px}.native-reading-text h2{margin:22px 0}.native-reading-text>p{font-size:20px;line-height:2.1;letter-spacing:.01em}.inline-word{border:0;border-bottom:1px dashed var(--green);background:transparent;color:var(--green);font:inherit;letter-spacing:inherit;line-height:1.3;padding:0 1px;border-radius:2px}.inline-word:hover{background:var(--lime)}.native-reading-text>.text-button{margin-top:25px}.native-translation{margin-top:16px;background:var(--bg);border-left:3px solid var(--line);padding:18px;font-size:14px;line-height:1.9}
.native-challenge-mode{padding:32px;display:flex;flex-direction:column;align-items:flex-start;gap:18px}.native-challenge-mode>.icon{width:29px;height:29px}.native-challenge-mode>p{font-size:14px;line-height:1.8;flex:1}.native-challenge-mode>.btn{margin-top:6px}.native-run-clock{font-variant-numeric:tabular-nums;font-size:19px;white-space:nowrap}.native-result{display:flex;justify-content:space-between;align-items:center;gap:30px}.native-result .result-level{margin:15px 0}.native-result .stack{min-width:170px}
.wireframe .native-example,.wireframe .native-feedback,.wireframe .native-rule,.wireframe .native-path,.wireframe .native-translation,.wireframe .native-list-item.active,.wireframe .native-word-row.active{background:#f5f5f5!important;border-color:#888!important}.wireframe .native-feedback{color:#333}.wireframe .native-loop-art .word-card{transform:none}.wireframe .native-module,.wireframe .native-question,.wireframe .lesson-article,.wireframe .native-definition{border-radius:2px}.wireframe .native-reading-text .inline-word{color:#333;border-color:#333}
@container app (max-width:1000px){.native-study-grid{grid-template-columns:220px minmax(0,1fr);gap:20px}.native-dictionary{gap:18px}.native-loop-art .word-card{width:195px}.native-path{gap:20px}.native-nav button{padding:9px 11px}.native-definition{padding:24px}}
@container app (max-width:740px){.native-study-grid,.native-dictionary{grid-template-columns:1fr}.native-list{padding:18px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.native-list h3,.native-list .form-hint{grid-column:1/-1;margin:0 5px 9px}.native-list-item{padding:12px;margin:0}.native-definition{position:static;scroll-margin-top:150px}.native-word-list{max-height:390px;overflow-y:auto}.native-path{flex-direction:column;align-items:flex-start}.native-path>.btn{max-width:none}.native-stats{display:grid;grid-template-columns:1fr auto;gap:10px 20px}.native-stats .eyebrow,.native-stats h3{grid-column:1}.native-stats .native-number{grid-column:2;grid-row:1/3;margin:0}.native-stats .text-button{margin:0}.native-extra{flex-wrap:wrap}.native-reading-text>p{font-size:18px}.native-loop-art{display:none}.native-result{align-items:flex-start}.native-nav{margin-top:-4px}.native-question .quiz-meta{flex-wrap:wrap}}
@container app (max-width:480px){.native-nav{margin-bottom:20px;padding-bottom:9px}.native-nav button{font-size:12px;min-height:44px}.native-module{min-height:190px;gap:11px}.native-module p{font-size:13px}.native-stats{padding:21px}.native-stats h3{font-size:14px}.native-number{font-size:40px}.native-number span{font-size:10px;display:block;margin:6px 0 0}.native-path{padding:23px}.native-path h2{font-size:19px}.native-path p{font-size:13px}.native-levels{gap:7px}.native-levels .pill{min-height:44px}.native-list{gap:5px}.native-list-item strong{font-size:12px}.lesson-article,.native-question,.native-reading-text{padding:22px}.lesson-article h2{font-size:26px}.native-rule{font-size:17px;padding:13px}.lesson-article>p{font-size:14px}.native-example{padding:15px;margin:20px 0}.native-example>p{font-size:17px}.native-question h3{font-size:17px}.native-feedback{padding:16px}.native-feedback p{font-size:13px}.native-word-row strong{font-size:18px}.native-word-row>span:last-child{max-width:55%}.dictionary-headword{font-size:36px}.native-conj-word{font-size:40px}.native-conj-card{padding:23px}.conj-answer{font-size:22px}.accent-keys{gap:6px}.accent-keys button{min-width:34px}.native-conj-shell>.panel>.between{flex-wrap:wrap}.native-reading-text>p{font-size:18px;line-height:2.1}.native-reading-text h2{font-size:22px}.native-challenge-mode{padding:25px}.native-result{flex-direction:column;gap:20px}.native-result .stack{width:100%}.native-run-clock{font-size:16px}.quiz-meta{flex-wrap:wrap}.native-extra{font-size:12px;margin-top:20px}}

/* Connected learning */
.p2-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:24px 0}.p2-panel{margin:20px 0;min-width:0}.p2-grid .p2-panel{margin:0}.p2-recommendation{padding:18px 0;border-top:1px solid var(--line,#e1e6e0)}.p2-recommendation h3{margin:6px 0}.p2-recommendation p{line-height:1.65}.p2-evidence{padding:12px 16px;background:#f1f5ee;border-radius:12px;margin:12px 0}.p2-evidence p{font-size:13px;margin:7px 0;line-height:1.7}.p2-evidence-row{padding:12px 0;border-top:1px solid #e1e6e0}.p2-reading-links{padding:18px 0;border-top:1px solid #e1e6e0;margin-top:20px}.p2-reading-links button{white-space:normal;text-align:left}.p2-panel,.p2-reading-links{overflow-wrap:anywhere}@media(max-width:760px){.p2-grid{grid-template-columns:1fr;gap:16px}}

.p3-plan{margin:24px 0}.p3-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.p3-actions article{padding:20px;background:#f7f8f2;border-radius:14px}.p3-actions p{line-height:1.65}.p3-mission-step{margin:20px 0}.p3-mission-step>p{line-height:1.9}.p3-mission-step textarea,#ja-output{width:100%;min-height:180px;padding:16px;border:1px solid #d6dfd6;border-radius:12px;font:inherit;line-height:1.8}.p3-listening audio{width:100%;margin:15px 0}.p3-listening{margin:20px 0}.p3-actions h3{overflow-wrap:anywhere}@media(max-width:760px){.p3-actions{grid-template-columns:1fr}.p3-plan>.between{align-items:flex-start;gap:12px;flex-wrap:wrap}}

.conj-nonfinite article{padding:20px 0;border-top:1px solid var(--line)}.conj-nonfinite .conj-cell{margin:16px 0}.conj-nonfinite .conj-cell-form{font-size:1.5rem}.conj-nonfinite .tag{margin-bottom:4px}