/* Learning workspace. Scoped to the reader; approved directories remain unchanged. */
main.learning-main{max-width:1720px;padding:20px 28px 36px}
.learning-main .reader-top{margin-bottom:14px;min-height:38px;gap:14px;font-size:12px}
.learning-main .reader-top button{box-shadow:none;min-height:36px;padding:8px 12px;font-size:12px;border-radius:9px}
body[data-zone] .learning-main .lesson-heading{background:transparent;border:0;border-bottom:1px solid #dfe3eb;border-radius:0;box-shadow:none;padding:8px 0 22px;gap:24px}
.learning-main .lesson-heading .chapter-kicker{display:inline-block;padding:0;background:none;font-size:12px;letter-spacing:0;color:var(--zone)}
body[data-zone] .learning-main .lesson-heading h1{color:#30394b;font-size:29px;line-height:1.5;font-weight:600;margin:8px 0 0;letter-spacing:0}
.learning-main .lesson-neighbors{gap:8px}
.learning-main .lesson-neighbors button{box-shadow:none;min-height:38px;padding:8px 12px;font-size:12px;border-radius:8px}
.learning-main .lesson-tabs{display:flex;width:100%;padding:0;margin:18px 0;border-radius:0;background:transparent;gap:10px}
.learning-main .lesson-tabs button[data-study-view]{flex:0 1 170px;display:flex;align-items:center;justify-content:center;gap:9px;background:white;color:#697486;border:1px solid #dde2eb;box-shadow:none;border-radius:9px;padding:10px 16px;min-height:44px;font-size:14px;font-weight:600;transform:none}
.learning-main .lesson-tabs button[data-study-view].active{background:var(--zone);color:white;border-color:var(--zone);box-shadow:none}
.learning-main .lesson-tabs .feature-tab-icon{background:transparent;color:inherit;width:auto;height:auto;padding:0;font-size:18px;border-radius:0}
.learning-main .lesson-tabs button small{display:none}
.learning-main .study-shell{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:20px;align-items:start}
.learning-main .reading-pane{border:1px solid #dfe4eb;border-radius:12px;background:white;box-shadow:none;overflow:hidden}
.learning-main .reader-bottom{padding:11px 18px;margin:0;gap:12px;min-height:0;background:white;border-color:#e7ebf0}
body[data-zone] .learning-main .reader-bottom button{background:#f8f9fb;color:#67758a;border-color:#e0e5ed;box-shadow:none;min-height:36px;font-size:12px;padding:8px 11px;border-radius:8px}
body[data-zone] .learning-main #next,body[data-zone] .learning-main #next-bottom{background:var(--zone-light);color:var(--zone);border-color:transparent;box-shadow:none}
.learning-main .page-count{font-size:12px;color:#8590a0}
body[data-zone] .learning-main .reading-controls{background:#f8f9fb;border-top:1px solid #e7ebf0;border-bottom:1px solid #e7ebf0;padding:12px 18px;gap:12px}
.learning-main .reading-controls .mode-tabs{gap:6px}
.learning-main .mode-tabs button[data-mode]{background:white;color:#697487;border:1px solid #dfe4eb;border-radius:8px;box-shadow:none;font-size:13px;padding:8px 12px;min-height:38px}
body[data-zone] .learning-main .mode-tabs button[data-mode].active{background:var(--zone-light);color:var(--zone);border-color:color-mix(in srgb,var(--zone) 30%,white);box-shadow:none}
.learning-main .type-controls button{border-color:#dfe4eb;background:white;color:#697487;box-shadow:none;border-radius:7px;font-size:13px;min-height:34px;padding:6px 9px}
.learning-main .type-controls span{font-size:12px;color:#8993a1}
.learning-main .story{padding:22px 26px;line-height:2.05;letter-spacing:0;background:white;color:#343d4c}
.learning-main .story .word{padding:3px 6px;border-radius:5px;box-shadow:none}
.learning-main .study-completion{padding:4px 18px 14px;gap:12px}
.learning-main .study-completion button{min-height:36px;font-size:12px;padding:8px 11px;box-shadow:none}
.learning-main .group-completion #complete{min-height:36px;font-size:12px;padding:8px 11px;box-shadow:none;background:#edf6f0;color:#428568;border-color:#d2e8da}
body[data-zone] .learning-main .vocabulary-pane{background:white;border:1px solid #dfe4eb;border-radius:12px;box-shadow:none;padding:16px;position:sticky;top:16px;max-height:calc(100dvh - 32px);overflow:auto}
.learning-main .vocabulary-heading{align-items:center;margin:0 0 9px;padding:0;gap:8px}
.learning-main .vocabulary-heading .chapter-kicker{display:none}
body[data-zone] .learning-main .vocabulary-heading h2{font-size:17px;color:#364254;font-weight:600;margin:0;line-height:1.4}
body[data-zone] .learning-main #unlocked-count{font-size:11px;padding:3px 6px;background:#f0f3f7;color:#8190a2}
body[data-zone] .learning-main #listen{font-size:11px;min-height:32px;padding:6px 9px;box-shadow:none;border:0;background:var(--zone-light);color:var(--zone);border-radius:7px;white-space:nowrap}
.learning-main .audio-status{font-size:11px;margin:0 0 10px;min-height:20px;color:#8e99a8}
.learning-main .audio-dot{width:5px;height:5px}
.learning-main .word-list{min-height:0;max-height:none;overflow:visible;margin:0;padding:0}
.learning-main .word-list .vocab-card{background:white!important;border:0;border-top:1px solid #e9edf2;border-radius:0;padding:16px 0;margin:0;box-shadow:none}
.learning-main .vocab-heading{gap:9px;align-items:center}
.learning-main .word-list .card-word{color:#354154;font-size:21px;font-weight:650;padding:0;background:none;box-shadow:none;border:0;border-radius:0;line-height:1.4;text-align:left}
.learning-main .save-word-button{background:#fff5dc;border-color:#ecddb6;color:#9d7926;border-radius:7px;box-shadow:none;font-size:11px;min-height:30px;padding:5px 8px}
.learning-main .word-list .vocab-ipa{font-size:13px;color:#9099a7;margin:5px 0 8px}
.learning-main .vocab-meaning{font-size:14px;line-height:1.65;margin:8px 0 10px;color:#4c5769}
.learning-main .pos-badge{font-size:11px;padding:3px 6px}
.learning-main .word-card-actions{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}
.learning-main .word-card-actions button{background:#f5f7fa;color:#748093;border:1px solid #e1e6ed;font-size:11px;min-height:32px;padding:6px 8px;border-radius:7px;box-shadow:none}
.learning-main .word-card-actions button[data-play]{background:var(--zone-light);color:var(--zone);border-color:transparent}
.learning-main .word-list .example-block{background:#f7f9fb;border:0;border-radius:8px;padding:11px 12px;margin:12px 0 0;box-shadow:none}
.learning-main .word-list .example-en{font-size:14px;line-height:1.75;color:#526075;margin:7px 0}
.learning-main .word-list .example-zh{font-size:12px;line-height:1.7;color:#8792a2;margin:6px 0 0}
.learning-main .word-list .example-label{font-size:10px;color:#99a3b1}
.learning-main .word-list .example-block button{min-height:28px;padding:4px 7px;font-size:11px;background:white;border-color:#e0e6ee;box-shadow:none}
.learning-main .locked-words{padding:28px 10px;min-height:0;background:white;color:#8590a0}
.learning-main .locked-words>span{width:38px;height:38px;font-size:24px;background:#f1f4f8;color:#8c9ab0;border-radius:10px;margin:0 auto 12px}
.learning-main .locked-words h3{font-size:15px;color:#657487;margin:10px 0}
.learning-main .locked-words p{font-size:12px;line-height:1.8;margin:8px 0}
.learning-main .locked-words small{font-size:11px}
.learning-main .source-link{font-size:10px;box-shadow:none;margin-top:10px;padding:5px 0;color:#9ca6b5;min-height:0;border:0;background:none}
.learning-main .reference-pane{background:white;border:1px solid #dfe4eb;border-top-width:1px!important;border-radius:12px;padding:18px 20px;box-shadow:none}
.learning-main .reference-tools{padding:0 0 14px;margin-bottom:12px;gap:10px}
.learning-main .reference-tools button{font-size:12px;min-height:38px;padding:8px 12px;box-shadow:none;background:#f7f9fb;color:#67778c;border-color:#dfe5ed}
.learning-main .reference-tools input{background:#f8fafc;border-color:#dfe5ed;font-size:13px;min-height:38px}
.learning-main .memory-card{border:1px solid #e1e6ed;border-top-width:1px;border-radius:10px;background:white;box-shadow:none;overflow:hidden}
.learning-main .memory-card .vocab-card{border:0;border-radius:0;padding:18px;background:white!important}
.learning-main .memory-content{padding:0 18px 18px;border:0;background:white}
.learning-main .memory-content p{font-size:13px;line-height:1.8;margin:10px 0;color:#788598}
.learning-main .memory-content textarea{background:#fafbfd;border-color:#e1e6ed;min-height:76px;font-size:13px}
@media(min-width:1400px){.learning-main .study-shell{grid-template-columns:minmax(0,1fr) 370px;gap:22px}}
@media(max-width:1100px) and (min-width:900px){main.learning-main{padding:20px}.learning-main .study-shell{grid-template-columns:minmax(0,1fr) 310px;gap:16px}.learning-main .story{padding:20px}.learning-main .lesson-heading h1{font-size:26px}}
@media(max-width:899px){main.learning-main{padding:16px 16px 28px}.learning-main .study-shell{display:flex;flex-direction:column;gap:16px}.learning-main .reading-pane{width:100%}body[data-zone] .learning-main .vocabulary-pane{width:100%;position:static;max-height:none;overflow:visible;padding:16px}.learning-main .lesson-heading{flex-wrap:wrap;gap:14px}body[data-zone] .learning-main .lesson-heading h1{font-size:25px}.learning-main .lesson-neighbors{flex-direction:row}.learning-main .reading-controls .mode-tabs button{min-height:40px;font-size:13px}.learning-main .reading-controls .type-controls button{min-height:34px}.learning-main #mobile-words{font-size:12px;min-height:34px;padding:6px 9px;background:white;color:var(--zone);border-color:#dfe5ed;box-shadow:none}.learning-main .reader-top{flex-wrap:wrap}.learning-main .reader-top>span{border:0;padding:0}.learning-main .word-list .vocab-card{padding:15px 0}.learning-main .locked-words{padding:24px 12px}.learning-main .reference-pane{padding:16px}}
@media(max-width:650px){main.learning-main{padding:14px 14px 24px}.learning-main .reader-top{gap:8px;row-gap:10px;font-size:11px}.learning-main .reader-top button{font-size:11px;padding:7px 9px;min-height:34px}.learning-main .reader-book-links{gap:6px}.learning-main .reader-top>span{display:none}.learning-main .lesson-heading{padding:6px 0 18px}body[data-zone] .learning-main .lesson-heading h1{font-size:23px}.learning-main .lesson-neighbors{margin-left:auto}.learning-main .lesson-tabs{gap:7px;margin:16px 0}.learning-main .lesson-tabs button[data-study-view]{flex:1;padding:10px 7px;gap:6px;min-height:42px;font-size:13px}.learning-main .lesson-tabs .feature-tab-icon{font-size:16px}.learning-main .reader-bottom{padding:10px 12px;gap:8px}.learning-main .reader-bottom button{font-size:11px;min-height:34px;padding:7px 9px}.learning-main .page-count{font-size:11px}.learning-main .reading-controls{padding:12px 14px}.learning-main .story{padding:18px;line-height:2.05}.learning-main .group-completion #complete{font-size:11px;padding:7px 9px;min-height:34px}.learning-main .study-completion{padding:0 14px 12px}.learning-main .word-list .card-word{font-size:22px}.learning-main .word-list .example-en{font-size:15px}.learning-main .word-list .example-zh{font-size:13px}.learning-main .reference-pane{padding:14px}.learning-main .memory-grid{gap:14px}.learning-main .memory-card .vocab-card{padding:16px}.learning-main .memory-content{padding:0 16px 16px}}
@media print{.learning-main .reading-pane,.learning-main .reference-pane{border:0;box-shadow:none}.learning-main .lesson-tabs,.learning-main .reading-controls,.learning-main .reader-bottom{display:none!important}.learning-main .story{padding:0}}

.learning-main .field-result{font-weight:700;font-size:16px;margin-left:5px;line-height:1;vertical-align:middle}.learning-main .field-result[data-status=correct]{color:#258557}.learning-main .field-result[data-status=wrong],.learning-main .field-result[data-status=retry]{color:#cf4758}.learning-main .field-result[data-status=hinted]{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:#fff2ce;color:#aa781c;font-size:13px}
/* Vocabulary table identity and mobile first-row alignment. */
.learning-main .vocabulary-table .table-word{color:#a67518;background:none;border:0;box-shadow:none}
.learning-main .table-wrap .vocabulary-table th{background:#fff3ce;color:#946b1d;border-color:#eddfb5}
.learning-main .reference-tools{margin-bottom:0;padding-bottom:12px}
.learning-main .table-wrap{margin-top:0;padding-top:0}
@media(max-width:899px){.learning-main .reference-tools{padding-bottom:10px;margin-bottom:0}.learning-main #reference-content,.learning-main .table-wrap,.learning-main .vocabulary-table,.learning-main .vocabulary-table tbody{margin-top:0;padding-top:0}.learning-main .vocabulary-table tr:first-child{padding-top:12px}.learning-main .vocabulary-table td:first-child{grid-row:1;align-self:center;padding-top:0!important;line-height:1.5;font-size:13px}.learning-main .vocabulary-table td:nth-child(2){align-self:center}.learning-main .vocabulary-table td:nth-child(2) .table-word{display:block;line-height:1.5;padding:0;margin:0;min-height:0;box-shadow:none;color:#a67518}}
/* Vocabulary follows the current area's theme rather than a fixed gold palette. */
.learning-main .vocabulary-table .table-word{color:var(--zone);background:none}
.learning-main .table-wrap .vocabulary-table th{background:var(--zone-light);color:var(--zone);border-color:color-mix(in srgb,var(--zone) 22%,white)}
@media(max-width:899px){.learning-main .vocabulary-table td:nth-child(2) .table-word{color:var(--zone)}}
/* Mnemonics retain grammar colours while inheriting the learning area's identity. */
.learning-main .memory-card .card-word{color:var(--zone);background:none;box-shadow:none}
.learning-main .memory-card .example{background:var(--zone-light);border-color:color-mix(in srgb,var(--zone) 18%,white);border-radius:8px;padding:12px 14px}
.learning-main .memory-card .example-label,.learning-main .memory-card .example-en strong,.learning-main .memory-card .example-en b{color:var(--zone)}
.learning-main .memory-card .example-en mark{background:color-mix(in srgb,var(--zone) 15%,white);color:var(--zone)}
.learning-main .memory-card .example-play{color:var(--zone);background:white;border-color:color-mix(in srgb,var(--zone) 25%,white);box-shadow:none}
.learning-main .memory-content p>b,.learning-main .memory-content label{color:var(--zone)}
.learning-main .memory-content textarea{background:color-mix(in srgb,var(--zone-light) 45%,white);border-color:color-mix(in srgb,var(--zone) 25%,white);color:#4c586b}
.learning-main .memory-content textarea:focus{outline-color:var(--zone);border-color:var(--zone)}
.learning-main .memory-content button[data-note-save]{background:var(--zone);color:white;border-color:var(--zone);box-shadow:none;font-size:12px;padding:8px 12px;min-height:36px;border-radius:8px}
.learning-main .memory-content .note-status{color:var(--zone);font-size:12px}
/* Quieter target words and matching Chinese recall cues. */
.learning-main .story .word[data-pos]{font-size:calc(var(--size,20px) - 1px);font-weight:600;line-height:1.45;padding:2px 5px;min-height:0;border-radius:5px;box-shadow:none;background:color-mix(in srgb,var(--pos-bg) 55%,white)!important;border-color:color-mix(in srgb,var(--pos-border) 60%,white)!important;vertical-align:baseline}
.learning-main .story .exercise-hint[data-pos]{display:inline;padding:2px 4px;border-radius:4px;background:color-mix(in srgb,var(--pos-bg) 55%,white);color:var(--pos-ink);font-size:inherit;font-weight:500;line-height:inherit;box-decoration-break:clone;-webkit-box-decoration-break:clone}

.learning-main .reader-book-links .reset-story{background:white;color:var(--zone);border:1px solid color-mix(in srgb,var(--zone) 30%,white);box-shadow:none}
.reset-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}
@media(max-width:899px){.learning-main .reading-pane>.reading-controls>#mobile-words{min-height:40px;border-radius:8px;padding:8px 12px;font-size:13px;font-weight:600;border:1px solid color-mix(in srgb,var(--zone) 30%,white);background:var(--zone-light);color:var(--zone);box-shadow:none}.learning-main .reader-book-links{flex-wrap:wrap;gap:8px}.learning-main .reader-book-links .reset-story{font-size:12px;padding:8px 10px}}

@media(max-width:899px){.learning-main .reading-controls .mode-tabs button[data-mode]{min-height:40px}}

.notebook-page a.book-source{display:grid;gap:5px;white-space:normal;overflow:visible;text-decoration:none;color:#7b8494;line-height:1.6;overflow-wrap:anywhere}.notebook-page .book-source-label{color:var(--book-accent);font-size:12px;font-weight:600}.notebook-page .book-source-location{font-size:11px}.notebook-page .book-source-title{font-size:12px;color:#606b7d}.notebook-page a.book-source:hover .book-source-title{text-decoration:underline}.notebook-page a.book-source:focus-visible{outline:2px solid var(--book-accent);outline-offset:4px;border-radius:4px}

@media(max-width:899px){.learning-main .reading-pane>.reading-controls>#mobile-words{justify-self:stretch;width:100%;min-width:0;text-align:center}.learning-main .reading-pane>.reading-controls{column-gap:12px}}

/* Word details inherit the current area palette on desktop and mobile. */
body #word-popover h2,body #word-popover .vocab-ipa,body #word-popover .word-primary-meaning b,body #word-popover .usage-note,body #word-popover .word-audio-status,body #word-popover .more-senses,body #word-popover .example-en,body #word-popover .example-zh,body #word-popover .example-label{color:var(--zone)}
body #word-popover .word-primary-meaning,body #word-popover .example-block{background:var(--zone-light);border-color:color-mix(in srgb,var(--zone) 25%,white)}
body #word-popover .pos-badge,body #word-popover .example-en mark{color:var(--zone);background:color-mix(in srgb,var(--zone) 12%,white);border-color:color-mix(in srgb,var(--zone) 35%,white)}
body #word-popover .word-play-controls button,body #word-popover [data-example-word]{color:var(--zone);background:var(--zone-light);border-color:color-mix(in srgb,var(--zone) 30%,white);box-shadow:none}
body #word-popover .word-play-controls #pronounce{color:white;background:var(--zone);border-color:var(--zone);box-shadow:none}
@media(max-width:650px){body #word-popover .example-zh{color:var(--zone)!important}}

body #word-popover .word-primary-meaning{background:transparent;border:0;padding:0;margin:16px 0;box-shadow:none}
body #word-popover .example{background:var(--zone-light);border-color:color-mix(in srgb,var(--zone) 25%,white)}
body #word-popover .example-en strong{background:color-mix(in srgb,var(--zone) 14%,white);color:var(--zone)}
body #word-popover .word-play-controls #slow{color:#168579;background:#e2f4ef;border-color:#b9dfd6}
body #word-popover .word-play-controls #twice{color:#a16f1c;background:#fff2d1;border-color:#efd395}
body #word-popover .word-play-controls #favorite{color:#9d6713;background:#fff0c5;border-color:#ebcd82}
.word-audio-status[hidden],.audio-status[hidden]{display:none!important}

/* Keep chapter navigation and actions in a single mobile row. */
@media(max-width:650px){
 .learning-main .reader-top{display:flex;flex-wrap:nowrap!important;gap:5px;min-width:0}
 .learning-main .reader-top>span{display:none}
 .learning-main .reader-top #back{flex:0 0 auto;padding:7px 6px;font-size:11px;white-space:nowrap}
 .learning-main .reader-book-links{display:flex!important;flex-wrap:nowrap!important;gap:4px;margin-left:auto;min-width:0}
 .learning-main .reader-book-links button,.learning-main .reader-book-links .reset-story{white-space:nowrap;padding:7px 5px;font-size:11px;min-height:34px}
}
@media(max-width:360px){.learning-main .reader-top #back,.learning-main .reader-book-links button,.learning-main .reader-book-links .reset-story{font-size:10px;padding:7px 3px}.learning-main .reader-top,.learning-main .reader-book-links{gap:3px}}
@media(max-width:650px){.lesson-directory-actions #directory-redeem{display:none!important}}