html[data-theme="dark"]{color-scheme:dark;--ink:#e5edf7;--muted:#afbed0;--line:#35475d;--blue:#9bc5ff;--blue2:#203852;--green:#83dbb7;--green2:#193d32;--red:#ffb6bc;--red2:#412730;--paper:#172334;--bg:#101824;--pale:#1b2a3e;--gold:#e8c588;--background:var(--bg);--foreground:var(--ink);--card:var(--paper);--card-foreground:var(--ink);--popover:var(--paper);--popover-foreground:var(--ink);--muted-foreground:var(--muted);--border:var(--line);--input:var(--line)}
html[data-theme="light"]{color-scheme:light;--background:#fff;--foreground:#171717;--card:#fff;--card-foreground:#171717;--popover:#fff;--popover-foreground:#171717;--muted-foreground:#737373;--border:#e5e5e5;--input:#e5e5e5}
.theme-control{display:inline-flex;align-items:center;gap:8px;margin:0;font-size:14px;font-weight:500;color:inherit}.theme-control select{min-height:40px;max-width:170px;margin:0;padding:8px 34px 8px 10px;font:inherit;background-color:#fff;color:#172238;border:1px solid #aabbd0;border-radius:9px;cursor:pointer}

:where(html[data-theme="dark"][data-theme-page="study"]) .hero{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .hero p{color:#e6eef8}
:where(html[data-theme="dark"][data-theme-page="study"]) .hero a{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .nav button{background:color-mix(in srgb, var(--paper) 9.41%, transparent);color:var(--ink);border-color:color-mix(in srgb, var(--line) 33.33%, transparent)}
:where(html[data-theme="dark"][data-theme-page="study"]) .nav button.active,:where(html[data-theme="dark"][data-theme-page="study"]) .nav button:hover{background:var(--paper);color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .card p{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .stat{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .btn{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .btn.secondary{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .btn.ghost{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .module{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .progress{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) select{border-color:var(--line);background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .option{border-color:var(--line);background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .option:hover:not(:disabled){background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .feedback.good{color:#8fe0b8}
:where(html[data-theme="dark"][data-theme-page="study"]) .feedback.bad{color:#ffbdc5}
:where(html[data-theme="dark"][data-theme-page="study"]) .day{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .day.current{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .day.past{background:#19392f}
:where(html[data-theme="dark"][data-theme-page="study"]) .issue{border-color:#8b7248;background:#3a321f;color:#edd39f}
:where(html[data-theme="dark"][data-theme-page="study"]) .course-directory button:hover{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .course-directory input{border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .chapter-text{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .chapter-links button{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-detail pre{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .source-coverage p{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .option-note{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .subject-card{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .thesis{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .compare-table th{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .case-prompt{background:#3a321f}
:where(html[data-theme="dark"][data-theme-page="study"]) .method-box{background:#19392f}
:where(html[data-theme="dark"][data-theme-page="study"]) .point-link{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .timeline{border-left-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .recall-date{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .event-step{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) input{border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) button:focus-visible,:where(html[data-theme="dark"][data-theme-page="study"]) a:focus-visible,:where(html[data-theme="dark"][data-theme-page="study"]) summary:focus-visible{outline-color:#557ba9}
:where(html[data-theme="dark"][data-theme-page="study"]) .answer-dock{background:var(--paper);border-top-color:#557ba9}
:where(html[data-theme="dark"][data-theme-page="study"]) select{border-color:var(--line);background:var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'%3E%3Cpath d='m6 8 4 4 4-4' fill='none' stroke='%23576579' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 13px center}
:where(html[data-theme="dark"][data-theme-page="study"]) select:hover{border-color:#557ba9}
:where(html[data-theme="dark"][data-theme-page="study"]) select:focus-visible,:where(html[data-theme="dark"][data-theme-page="study"]) input:focus-visible{outline-color:#557ba9}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-detail{border-color:var(--line);background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-detail>summary{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-detail>summary:after,:where(html[data-theme="dark"][data-theme-page="study"]) .book-directory>summary:after{border-right-color:var(--line);border-bottom-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-detail>summary:hover{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-detail[open]>summary{background:#1d334b;color:#a7cbff;border-bottom-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-detail>pre{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .section-index{border-color:var(--line);background:var(--paper);color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .course-section .point-link{color:var(--ink);border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .course-section .point-link:hover{background:#1d334b;border-color:#557ba9}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-directory{border-left-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-directory>summary{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-directory>summary:hover{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .directory-count{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .course-directory input{border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .unit-menu>summary{border-color:var(--line);background:var(--paper);color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .unit-menu>summary:after{border-right-color:var(--line);border-bottom-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .unit-menu>summary:hover,:where(html[data-theme="dark"][data-theme-page="study"]) .unit-menu[open]>summary{border-color:#557ba9;background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .unit-menu-options{background:var(--paper);border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .unit-option{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .unit-option:hover{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .unit-option.current{background:#1d334b;color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .directory-module{border-bottom-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .directory-module>summary{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .directory-module>summary:after{border-right-color:var(--line);border-bottom-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .directory-module>summary:hover{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .directory-module>summary.current{background:#1d334b;color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .course-directory button.directory-overview{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .course-directory button.directory-locate{color:#a7cbff;border-color:var(--line);background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .point-navigation{background:var(--paper);border-bottom-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .point-breadcrumb{color:#a7cbff;background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .point-path-group{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .point-position{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .point-directory-return{color:#a7cbff;border-color:var(--line);background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .visual-card{border-color:var(--line);background:var(--paper);color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .visual-image-link{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .visual-zoom{background:color-mix(in srgb, var(--paper) 92.94%, transparent);border-color:var(--line);color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .visual-card h4{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .visual-card .visual-observation{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .visual-card .visual-note{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .visual-card .visual-attribution{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .visual-attribution a{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .visual-point-link{border-top-color:var(--line);background:var(--paper);color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .directory-mode .active{background:#1d334b;border-color:#557ba9}
:where(html[data-theme="dark"][data-theme-page="study"]) .chapter-text{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-card{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-cover{color:var(--ink);border-left-color:#557ba9}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-cover small{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-card:nth-child(2) .book-cover{border-color:#a66b76}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-card p{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-card .book-description{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-toolbar{background:color-mix(in srgb, var(--paper) 96.08%, transparent)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-thesis{border-left-color:var(--line);background:#19392f;color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-trap{background:#3a321f;border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-trap b{color:#edd39f}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-compare th{background:#1d334b;color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-body{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-body .reading-item{border-left-color:var(--line);background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-body .reading-note{background:#3a321f}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-labels span{border-color:var(--line);color:var(--muted);background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-page-label{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .chapter-review details{background:#1d334b;border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .chapter-review .recall-answer{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-directory-heading{color:var(--muted)!important}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-chapter-button span{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-chapter-button.current{background:#1d334b!important}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-selector button{border-color:var(--line) !important}
:where(html[data-theme="dark"][data-theme-page="study"]) .book-selector button.current{background:#1d334b!important}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-paper .course-layout>.card{background:#3a321f}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-paper .reader-toolbar{background:color-mix(in srgb, #3a321f 96.08%, transparent)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-paper .reading-item{background:#3a321f}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-paper .reader-thesis{background:#19392f}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-source-note{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-source-note a{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-current{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-source-figure{background:var(--paper);border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-source-figure figcaption{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .reading-page-image{border-color:var(--line);background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .reader-paper .reading-page-image{background:#3a321f}
:where(html[data-theme="dark"][data-theme-page="study"]) .topic-expansion{background:var(--paper);border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .topic-expansion p{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .topic-diagram{background:#1d334b;border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .topic-diagram figcaption{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .topic-cell{background:var(--paper);border-color:var(--line);border-top-color:#557ba9}
:where(html[data-theme="dark"][data-theme-page="study"]) .topic-cell dt{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .topic-cell dd{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .is-timeline .topic-cell{border-top-color:var(--line);border-left-color:#557ba9}
:where(html[data-theme="dark"][data-theme-page="study"]) .topic-diagram-link{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .topic-expansion .reading-detail{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .concept-guide{border-color:var(--line);background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .concept-members li{border-bottom-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .concept-members strong{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .concept-members p{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .foundation-guide{background:#1d334b;border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .foundation-guide h4{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .lesson-fact{border-bottom-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .directory-overview.current{background:#1d334b;color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-intro{background:linear-gradient(120deg,#1d334b,#19392f);border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-summary{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-methods article{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-methods p{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-filter{background:color-mix(in srgb, #1d334b 96.08%, transparent)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-filter select,:where(html[data-theme="dark"][data-theme-page="study"]) .mark-filter input,:where(html[data-theme="dark"][data-theme-page="study"]) .mark-reader-sidebar input{border-color:var(--line);background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-doc-card{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-tag{background:#1d334b;color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-version{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-reader-toolbar{background:color-mix(in srgb, #1d334b 96.08%, transparent)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-reader-sidebar{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-unit-link.current{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-unit-link:hover{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-unit-link small{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-unit-overview{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-study-guide{background:#1d334b;border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-study-guide p{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-facts li{border-bottom-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-source-image{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-source-image img{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-source-image figcaption{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-tree{border-color:var(--line);background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-tree-node>.mark-tree-node,:where(html[data-theme="dark"][data-theme-page="study"]) .mark-tree-node details>.mark-tree-node{border-left-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-note{border-bottom-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-recall{border-left-color:var(--line);background:#19392f}
:where(html[data-theme="dark"][data-theme-page="study"]) .mark-library-entry{border-top-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .interview-module-card{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .interview-sidebar{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .interview-article{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .interview-trap{background:#3a321f;border-left-color:#8b7248}
:where(html[data-theme="dark"][data-theme-page="study"]) .interview-toolbar{background:color-mix(in srgb, #1d334b 93.73%, transparent)}
:where(html[data-theme="dark"][data-theme-page="study"]) .interview-clock{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .interview-time-over{color:#ffbdc5}
:where(html[data-theme="dark"][data-theme-page="study"]) .interview-article textarea{border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .nav button.active{border-bottom-color:#488b71}
:where(html[data-theme="dark"][data-theme-page="study"]) .course-actions{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .content-correction{border-left-color:#8b7248;background:#3a321f}
:where(html[data-theme="dark"][data-theme-page="study"]) .negative-question{background:#3a321f;color:#edd39f;border-color:#8b7248}
:where(html[data-theme="dark"][data-theme-page="study"]) .interview-hint{border-color:var(--line);background:#1d334b}
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:where(html[data-theme="dark"][data-theme-page="study"]) .exam-memo-filters select{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-memo-mark.is-marked{background:#3a321f;border-color:#8b7248;color:#edd39f}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-heading{border-bottom-color:#557ba9}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-clock{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-time-low{color:#ffbdc5}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-number{border-color:var(--line);background:var(--paper);color:var(--ink)}
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:where(html[data-theme="dark"][data-theme-page="study"]) .exam-number.is-current{outline-color:#557ba9}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-number.is-correct{background:#19392f;color:#8fe0b8}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-number.is-wrong{background:#3e2830;color:#ffbdc5}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-history-row{border-bottom-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-alert{background:#3a321f;border-color:#8b7248}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-submit-dialog{border-color:var(--line);color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-submit-dialog::backdrop{background:color-mix(in srgb, #142b45 50.2%, transparent)}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-type-badge{background:#1d334b;color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-type-multiple{background:#1d334b;color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-type-judgment{background:#19392f;color:#8fe0b8}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-selection-rule{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-choice-marker{border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-option.selected .exam-choice-marker{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-option.selected .exam-choice-circle:after{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-selection-status{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .exam-option:focus-visible{outline-color:#557ba9}
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:where(html[data-theme="dark"][data-theme-page="study"]) .course-directory button.directory-unit.current{background:#1d334b;color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .directory-unit-match{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .course-unit-card{border-color:var(--line);background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .course-unit-contents{background:#1d334b;border-color:var(--line)}
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:where(html[data-theme="dark"][data-theme-page="study"]) .course-facts .lesson-fact h4{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .course-facts .lesson-fact:focus{outline-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-filters label{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-filters select,:where(html[data-theme="dark"][data-theme-page="study"]) .order-filters input{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-toolbar{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-toolbar span{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-recall{border-color:var(--line);background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-sequence li:before{background:#1d334b;color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-sequence li:not(:last-child):after{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-sequence p{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-memory{border-left-color:#557ba9;background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-complete{background:#19392f;color:#8fe0b8}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-directory-item{background:#1d334b;border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-directory-preview{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .order-directory-item:hover{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .excerpt-highlight{background:#3a321f}
:where(html[data-theme="dark"][data-theme-page="study"]) .excerpt-selection-bar{background:var(--paper);border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .excerpt-selection-bar>span{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .excerpt-toast{border-color:var(--line);background:#19392f;color:#8fe0b8}
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:where(html[data-theme="dark"][data-theme-page="study"]) .excerpt-text{background:#1d334b;border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .excerpt-covered{background:#1d334b;border-color:var(--line);color:var(--muted)}
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:where(html[data-theme="dark"][data-theme-page="study"]) .question-excerpt-dialog::backdrop{background:color-mix(in srgb, #142b45 43.92%, transparent)}
:where(html[data-theme="dark"][data-theme-page="study"]) .question-excerpt-heading{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="study"]) .question-excerpt-dialog>p{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .question-excerpt-part h3{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .question-excerpt-explanation{color:var(--ink);background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="study"]) .excerpt-speech-player{background:var(--paper);border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="study"]) .excerpt-speech-player strong{color:#a7cbff}
:where(html[data-theme="dark"][data-theme-page="study"]) .excerpt-speech-player #excerptSpeechText{color:var(--muted)}
:where(html[data-theme="dark"][data-theme-page="study"]) .excerpt-voice-control select{border-color:var(--line);background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="search"]) body{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="search"]) .hero{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="search"]) .hero p{color:#e6eef8}
:where(html[data-theme="dark"][data-theme-page="search"]) .stat{border-color:color-mix(in srgb, var(--line) 33.33%, transparent)}
:where(html[data-theme="dark"][data-theme-page="search"]) .panel{background:var(--paper)}
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:where(html[data-theme="dark"][data-theme-page="search"]) .source:hover{background:#1d334b}
:where(html[data-theme="dark"][data-theme-page="search"]) .snippet{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="search"]) mark{background:#3a321f}
:where(html[data-theme="dark"][data-theme-page="search"]) .note{background:#3a321f;color:#edd39f;border-color:var(--line)}
:where(html[data-theme="dark"][data-theme-page="source"]) header{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="source"]) header a{color:var(--ink)}
:where(html[data-theme="dark"][data-theme-page="source"]) header p{color:#e6eef8}
:where(html[data-theme="dark"][data-theme-page="source"]) .card{background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="source"]) .pager a{border-color:var(--line);background:var(--paper)}
:where(html[data-theme="dark"][data-theme-page="source"]) .pager a:hover{background:#1d334b}
html[data-theme="dark"] body{background:var(--bg);color:var(--ink)}
html[data-theme="dark"] .course-actions,html[data-theme="dark"] .lesson-return,html[data-theme="dark"] .reader-toolbar,html[data-theme="dark"] .point-navigation{background:var(--paper);border-color:var(--line)}
html[data-theme="dark"] .reader-paper{--paper:#272822;--pale:#2d3028;--line:#484b3f}
html[data-theme="dark"] .reader-paper .course-layout>.card,html[data-theme="dark"] .reader-paper .reader-toolbar,html[data-theme="dark"] .reader-paper .course-actions,html[data-theme="dark"] .reader-paper .lesson-return{background:var(--paper)}
html[data-theme="dark"] mark,html[data-theme="dark"] .excerpt-highlight{background:#4b3d1f;color:var(--ink)}
html[data-theme="dark"] ::selection{background:#315f98;color:#fff}
html[data-theme="dark"] .exam-option.selected .exam-choice-marker{background:#315f98;color:#fff;border-color:var(--blue)}
html[data-theme="dark"] .btn:not(.secondary):not(.ghost){background:#315f98;border-color:#6b9dd7;color:#fff}
html[data-theme="dark"] .nav button.active,html[data-theme="dark"] .nav button:hover{background:#284563;border-color:#739bc9;color:#f3f8ff}
html[data-theme="dark"] a:not(.btn){color:var(--blue)}html[data-theme="dark"] .hero a,html[data-theme="dark"] header nav a{color:#e6eef8}
html[data-theme="dark"] input,html[data-theme="dark"] textarea,html[data-theme="dark"] select{background-color:var(--paper);color:var(--ink);border-color:var(--line)}
html[data-theme="dark"] .theme-control select{background-color:#172334;color:#e5edf7;border-color:#6a809a}
html[data-theme="dark"] .option.selected{background:var(--blue2);border-color:var(--blue)}html[data-theme="dark"] .option.correct{background:var(--green2);border-color:var(--green)}html[data-theme="dark"] .option.wrong{background:var(--red2);border-color:var(--red)}
html[data-theme="dark"] .feedback.good{color:#b4f0d3}html[data-theme="dark"] .feedback.bad{color:#ffd0d5}
html[data-theme="dark"] .exam-number.is-correct{color:#b4f0d3}html[data-theme="dark"] .exam-number.is-wrong{color:#ffd0d5}
html[data-theme="dark"] .account-page{background:var(--bg);color:var(--ink)}html[data-theme="dark"] .account-card{background:var(--paper);border-color:var(--line)}html[data-theme="dark"] .account-card p{color:var(--muted)}html[data-theme="dark"] .account-card a{color:var(--blue)}html[data-theme="dark"] .account-card .account-primary{background:#315f98;color:#fff}

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:where(html[data-theme="sepia"][data-theme-page="study"]) .hero p{color:#f7f5e9}
:where(html[data-theme="sepia"][data-theme-page="study"]) .hero a{color:#f7f5e9}
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:where(html[data-theme="sepia"][data-theme-page="study"]) .card p{color:var(--ink)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .stat{background:var(--blue2)}
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:where(html[data-theme="sepia"][data-theme-page="study"]) .feedback.bad{color:var(--red)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .day{background:var(--paper)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .day.current{background:var(--blue2)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .day.past{background:var(--paper)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .issue{border-color:#ac8d6f;background:#eee5ca;color:#775b2b}
:where(html[data-theme="sepia"][data-theme-page="study"]) .course-directory button:hover{background:var(--blue2)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .course-directory input{border-color:var(--line)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .chapter-text{background:var(--blue2)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .chapter-links button{background:var(--paper)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .reading-detail pre{color:var(--ink)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .source-coverage p{background:var(--blue2)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .option-note{background:var(--paper)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .subject-card{background:var(--paper)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .thesis{background:var(--blue2)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .compare-table th{background:var(--blue2)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .case-prompt{background:#eee5ca}
:where(html[data-theme="sepia"][data-theme-page="study"]) .method-box{background:var(--green2)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .point-link{background:var(--paper)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .timeline{border-left-color:var(--line)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .recall-date{background:var(--paper)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .event-step{background:var(--blue2)}
:where(html[data-theme="sepia"][data-theme-page="study"]) input{border-color:var(--line)}
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:where(html[data-theme="sepia"][data-theme-page="study"]) select:focus-visible,:where(html[data-theme="sepia"][data-theme-page="study"]) input:focus-visible{outline-color:var(--blue)}
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:where(html[data-theme="sepia"][data-theme-page="study"]) .reading-detail[open]>summary{background:var(--blue2);color:var(--blue);border-bottom-color:var(--line)}
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:where(html[data-theme="sepia"][data-theme-page="study"]) .section-index{border-color:var(--line);background:var(--paper);color:var(--blue)}
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:where(html[data-theme="sepia"][data-theme-page="study"]) .course-section .point-link:hover{background:var(--blue2);border-color:var(--blue)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .book-directory{border-left-color:var(--line)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .book-directory>summary{color:var(--ink)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .book-directory>summary:hover{background:var(--blue2)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .directory-count{color:var(--muted)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .course-directory input{border-color:var(--line)}
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:where(html[data-theme="sepia"][data-theme-page="study"]) .unit-option{background:var(--paper)}
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:where(html[data-theme="sepia"][data-theme-page="study"]) .directory-module{border-bottom-color:var(--line)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .directory-module>summary{color:var(--blue)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .directory-module>summary:after{border-right-color:var(--line);border-bottom-color:var(--line)}
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:where(html[data-theme="sepia"][data-theme-page="study"]) .course-directory button.directory-overview{color:var(--blue)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .course-directory button.directory-locate{color:var(--blue);border-color:var(--line);background:var(--paper)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .point-navigation{background:var(--paper);border-bottom-color:var(--line)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .point-breadcrumb{color:var(--blue);background:var(--blue2)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .point-path-group{color:var(--muted)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .point-position{color:var(--muted)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .point-directory-return{color:var(--blue);border-color:var(--line);background:var(--paper)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .visual-card{border-color:var(--line);background:var(--paper);color:var(--blue)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .visual-image-link{background:var(--blue2)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .visual-zoom{background:color-mix(in srgb, var(--paper) 92.94%, transparent);border-color:var(--line);color:var(--blue)}
:where(html[data-theme="sepia"][data-theme-page="study"]) .visual-card h4{color:var(--blue)}
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:where(html[data-theme="sepia"][data-theme-page="source"]) .pager a:hover{background:var(--blue2)}
html[data-theme="sepia"]{color-scheme:light;--ink:#30392f;--muted:#626854;--line:#c6c9b4;--blue:#3e604e;--blue2:#dfe7d7;--green:#31664b;--green2:#dce8d6;--red:#96413a;--red2:#f1ddd5;--paper:#f3efdf;--bg:#e5e4d6;--pale:#e9eadb;--gold:#775b2b;--background:var(--bg);--foreground:var(--ink);--card:var(--paper);--card-foreground:var(--ink);--popover:var(--paper);--popover-foreground:var(--ink);--muted-foreground:var(--muted);--border:var(--line);--input:var(--line)}
html[data-theme="sepia"] body{background:var(--bg);color:var(--ink)}
html[data-theme="sepia"] a:not(.btn){color:var(--blue)}
html[data-theme="sepia"] .hero,html[data-theme="sepia"] body>header{background:#50624f;color:#f7f5e9}
html[data-theme="sepia"] .hero p,html[data-theme="sepia"] .hero a:not(.btn),html[data-theme="sepia"] header nav a{color:#f7f5e9}
html[data-theme="sepia"] .nav button{background:#ffffff0d;color:#f7f5e9;border-color:#9ba58b}
html[data-theme="sepia"] .nav button.active,html[data-theme="sepia"] .nav button:hover{background:var(--paper);color:var(--ink);border-color:var(--line)}
html[data-theme="sepia"] .card,html[data-theme="sepia"] .panel,html[data-theme="sepia"] .course-actions,html[data-theme="sepia"] .lesson-return,html[data-theme="sepia"] .reader-toolbar,html[data-theme="sepia"] .point-navigation,html[data-theme="sepia"] .answer-dock,html[data-theme="sepia"] .exam-dock{background:var(--paper);border-color:var(--line)}
html[data-theme="sepia"] .reader-paper .course-layout>.card,html[data-theme="sepia"] .reader-paper .reader-toolbar{background:var(--paper)}
html[data-theme="sepia"] input,html[data-theme="sepia"] textarea,html[data-theme="sepia"] select{background-color:var(--paper);color:var(--ink);border-color:var(--line)}
html[data-theme="sepia"] .btn:not(.secondary):not(.ghost){background:#44604e;color:#f7f5e9;border-color:#44604e}
html[data-theme="sepia"] .option.selected{background:var(--blue2);border-color:var(--blue)}
html[data-theme="sepia"] .option.correct{background:var(--green2);border-color:var(--green)}
html[data-theme="sepia"] .option.wrong{background:var(--red2);border-color:var(--red)}
html[data-theme="sepia"] .exam-option.selected .exam-choice-marker{background:#44604e;border-color:#44604e;color:#f7f5e9}
html[data-theme="sepia"] .feedback.good{color:#284e37}html[data-theme="sepia"] .feedback.bad{color:#7d302b}
html[data-theme="sepia"] mark,html[data-theme="sepia"] .excerpt-highlight{background:#e7dba9;color:var(--ink)}
html[data-theme="sepia"] ::selection{background:#b7cbb1;color:#243a2c}
html[data-theme="sepia"] .account-page{background:var(--bg);color:var(--ink)}html[data-theme="sepia"] .account-card{background:var(--paper);border-color:var(--line)}html[data-theme="sepia"] .account-card p{color:var(--muted)}html[data-theme="sepia"] .account-card a{color:var(--blue)}html[data-theme="sepia"] .account-card .account-primary{background:#44604e;color:#f7f5e9}

*,*::before,*::after{box-shadow:none!important;text-shadow:none!important}

/* A document workspace: neutral chrome, flat files and a readable document. */
html[data-theme="light"]{--ink:#292c30;--muted:#60656b;--line:#dedfe1;--blue:#4e6176;--blue2:#eef0f3;--green:#2d6249;--green2:#f0f4f1;--red:#943f3f;--red2:#f7f0ef;--paper:#fff;--bg:#f5f5f5;--pale:#f8f8f8;--gold:#75613d;--workspace-chrome:#fafafa;--workspace-hover:#eceef0}
html[data-theme="dark"]{--ink:#e0e0e0;--muted:#b1b3b7;--line:#424447;--blue:#b9c6d3;--blue2:#34383e;--green:#a1c7b0;--green2:#2d3731;--red:#e0aeab;--red2:#3c3030;--paper:#28292b;--bg:#202123;--pale:#303133;--gold:#c5bba5;--workspace-chrome:#242527;--workspace-hover:#35373a}
html[data-theme="sepia"]{--workspace-chrome:#efecdf;--workspace-hover:#e7e2d3}
html[data-theme-page="study"]{--workspace-rail:190px;scroll-padding-bottom:80px}
html[data-theme-page="study"] body{background:var(--bg);color:var(--ink);font-size:14px;line-height:1.65}
html[data-theme-page="study"] ::selection{background:var(--blue2);color:var(--ink)}
html[data-theme-page="study"] :is(button,input,select,textarea,a,summary):focus-visible{outline:2px solid var(--blue);outline-offset:2px}
html[data-theme-page="study"] :is(button,a,summary){-webkit-tap-highlight-color:transparent}
html[data-theme-page="study"] .hero{position:fixed;inset:0 auto 0 0;width:var(--workspace-rail);padding:0;background:var(--workspace-chrome);color:var(--ink);border-right:1px solid var(--line);z-index:30;overflow:auto}
html[data-theme-page="study"] .hero>.wrap{width:100%;max-width:none;min-height:100%;padding:18px 12px;display:flex;flex-direction:column}
html[data-theme-page="study"] .workspace-brand{display:flex;gap:9px;align-items:center;padding:2px 8px 19px;border-bottom:1px solid var(--line)}
html[data-theme-page="study"] .workspace-brand svg{width:19px;height:22px;flex:none;color:var(--muted)}
html[data-theme-page="study"] .hero h1{font-size:15px;font-weight:600;line-height:1.4;margin:0;letter-spacing:0}
html[data-theme-page="study"] .workspace-group-label{font-size:11px;letter-spacing:0;color:var(--muted);padding:0 10px;margin:17px 0 7px}
html[data-theme-page="study"] .nav{display:flex;flex-direction:column;gap:2px;margin:0;padding:0 0 18px;overflow:visible}
html[data-theme-page="study"] .nav button{display:flex;align-items:center;gap:10px;width:100%;min-height:34px;flex-shrink:0;border:0;border-radius:4px;padding:6px 10px;background:transparent;color:var(--ink);font-size:13px;text-align:left;font-weight:400}
html[data-theme-page="study"] .nav button:before{content:'';width:14px;height:14px;flex:none;background:currentColor;opacity:.65;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M2.5 5.5h5l1.7 2H17.5v8h-15zM2.5 7.5v-3h5l1.7 2' fill='none' stroke='black' stroke-width='1.3' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat}
html[data-theme-page="study"] .nav button:hover,html[data-theme-page="study"] .nav button.active{background:var(--workspace-hover);color:var(--ink);border:0}
html[data-theme-page="study"] .nav button.active{font-weight:600}
html[data-theme-page="study"] .hero .actions{margin:auto 0 0;padding-top:12px;border-top:1px solid var(--line);display:grid;gap:7px}
html[data-theme-page="study"] .hero .actions>.btn{width:100%;text-align:left;background:transparent;color:var(--muted);border-color:transparent;padding:5px 9px;min-height:32px;font-size:12px}
html[data-theme-page="study"] .hero .actions>.btn:hover{background:var(--workspace-hover);color:var(--ink)}
html[data-theme-page="study"] .theme-control{display:grid;gap:4px;padding:0 8px;font-size:11px;color:var(--muted)}
html[data-theme-page="study"] .theme-control select{min-height:30px;padding:4px 7px;font-size:12px;border-radius:4px;background:var(--paper);color:var(--ink);border-color:var(--line);max-width:100%}
html[data-theme-page="study"] main.wrap{width:calc(100% - var(--workspace-rail));max-width:none;margin:0 0 0 var(--workspace-rail);padding:0 30px 32px}
html[data-theme-page="study"] .workspace-toolbar{display:flex;align-items:center;gap:12px;min-height:45px;margin:0 -30px 0;padding:9px 30px;border-bottom:1px solid var(--line);background:var(--paper);color:var(--muted);font-size:12px}
html[data-theme-page="study"] #workspaceLocation{color:var(--ink)}
html[data-theme-page="study"] .workspace-toolbar-meta{margin-left:auto;font-size:11px;color:var(--muted)}
html[data-theme-page="study"] #accountStatus{background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:7px 0;margin:0 0 20px;color:var(--muted);font-size:11px;line-height:1.6}
html[data-theme-page="study"] #accountStatus a{color:var(--muted)}
html[data-theme-page="study"] :is(.card,.module,.subject-card,.course-unit-card,.book-card,.mark-module-card,.interview-module-card){border:0;border-radius:0;background:var(--paper);color:var(--ink);box-shadow:none}
html[data-theme-page="study"] .card{padding:22px 24px}
html[data-theme-page="study"] :is(.card h2,.library-heading h2,.course-unit-header h2,#chapterTitle){font-size:18px;font-weight:600;line-height:1.6}
html[data-theme-page="study"] :is(.card h3,.card h4){font-size:15px;font-weight:600;line-height:1.7}
html[data-theme-page="study"] .card p{color:var(--ink)}
html[data-theme-page="study"] .muted{color:var(--muted)!important;font-size:12px}
html[data-theme-page="study"] .btn{min-height:32px;padding:5px 11px;border:1px solid var(--line);border-radius:4px;background:var(--paper);color:var(--ink);font-size:13px;font-weight:400;line-height:1.5;box-shadow:none}
html[data-theme-page="study"] .btn:hover:not(:disabled){background:var(--workspace-hover);filter:none}
html[data-theme-page="study"] .btn:disabled{opacity:.45;cursor:default}
html[data-theme-page="study"] :is(input,select,textarea){background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:4px;padding:6px 9px;font-size:13px}
html[data-theme-page="study"] :is(.badge,.topic-eyebrow,.subject-number){border:0;border-radius:0;padding:0;background:transparent;color:var(--muted);font-size:11px;font-weight:400}
html[data-theme-page="study"] .eyebrow{display:none}
html[data-theme-page="study"] :is(.reading-detail,.issue,.thesis,.method-box,.case-prompt,.content-correction,.course-unit-contents,.chapter-guide,.interview-hint,.exam-alert){border-radius:3px;background:var(--pale);color:var(--ink);border:1px solid var(--line);box-shadow:none}
html[data-theme-page="study"] :is(.thesis,.method-box,.case-prompt){font-size:14px!important;padding:12px 14px}
html[data-theme-page="study"] .reading-detail{padding:10px 12px}
html[data-theme-page="study"] .reading-detail summary{color:var(--ink);font-weight:500;font-size:13px}
html[data-theme-page="study"] .progress{height:3px;border-radius:0;background:var(--line)}
html[data-theme-page="study"] .progress i{background:var(--muted)}
html[data-theme-page="study"] .workspace-entry{padding:20px 0;background:transparent;border-bottom:1px solid var(--line)}
html[data-theme-page="study"] #home>.grid>.card{padding:0 0 20px;background:transparent}
html[data-theme-page="study"] #home>.grid{display:block}
html[data-theme-page="study"] #home>.card:has(#moduleGrid){padding:0;background:transparent}
html[data-theme-page="study"] #home>.card:has(#moduleGrid)>h2{padding:12px 0;margin:0;font-size:13px;color:var(--muted)}
html[data-theme-page="study"] .subject-grid{display:block;background:var(--paper);border-top:1px solid var(--line)}
html[data-theme-page="study"] .subject-card{display:grid;grid-template-columns:170px minmax(0,1fr) auto;gap:4px 18px;align-items:center;padding:15px 18px;border-bottom:1px solid var(--line)}
html[data-theme-page="study"] .subject-card h3{font-size:14px;margin:0;grid-column:1;grid-row:1}
html[data-theme-page="study"] .subject-card>p{grid-column:1;grid-row:2;margin:0}
html[data-theme-page="study"] .subject-files{grid-column:2;grid-row:1 / span 2;display:flex;flex-wrap:wrap;gap:3px 20px;align-items:center}
html[data-theme-page="study"] .subject-link{width:auto;color:var(--ink);font-size:13px;padding:4px 0}
html[data-theme-page="study"] .subject-card>.actions{grid-column:3;grid-row:1 / span 2;margin:0}
html[data-theme-page="study"] .v3-entry{display:block;border:0;border-bottom:1px solid var(--line);padding:15px 0;background:transparent;margin:0}
html[data-theme-page="study"] .v3-entry>.topic-eyebrow{display:none}
html[data-theme-page="study"] .v3-entry h2{font-size:14px;margin:0}
html[data-theme-page="study"] .v3-entry p{font-size:12px;margin:4px 0}
html[data-theme-page="study"] .workspace-records{margin-top:18px;padding:13px 0;border:0;border-top:1px solid var(--line);border-radius:0;background:transparent}
html[data-theme-page="study"] .workspace-records>summary{font-size:13px;font-weight:500;color:var(--muted);cursor:pointer}
html[data-theme-page="study"] .stats{display:flex;flex-wrap:wrap;gap:20px;margin:15px 0}
html[data-theme-page="study"] .stat{display:flex;gap:8px;align-items:center;padding:0;border:0;border-radius:0;background:transparent}
html[data-theme-page="study"] .stat b{font-size:14px;font-weight:600}
html[data-theme-page="study"] .source-coverage{font-size:13px}
html[data-theme-page="study"] .course-layout{grid-template-columns:210px minmax(0,1fr);gap:0;border:1px solid var(--line);background:var(--paper)}
html[data-theme-page="study"] .course-layout>.course-directory{padding:16px 12px;border-right:1px solid var(--line);background:var(--workspace-chrome);top:12px;max-height:calc(100dvh - var(--page-action-height,70px) - 24px)}
html[data-theme-page="study"] .course-layout>#courseContent{padding:22px 28px;min-width:0;background:var(--paper)}
html[data-theme-page="study"] .course-directory h2{font-size:13px}
html[data-theme-page="study"] .course-directory :is(button.directory-unit,button.subtopic,button){font-size:12px;border-radius:3px;line-height:1.6;padding:7px 8px}
html[data-theme-page="study"] .course-directory button.directory-unit{border-left:1px solid transparent}
html[data-theme-page="study"] .course-directory button.current{background:var(--workspace-hover);color:var(--ink);border-left-color:var(--muted)}
html[data-theme-page="study"] :is(.course-unit-header h2,.topic-expansion>h2){margin-top:8px;font-size:19px}
html[data-theme-page="study"] :is(.course-unit-contents,.course-unit-card){background:var(--pale);padding:14px;border-radius:3px;border:1px solid var(--line)}
html[data-theme-page="study"] :is(.course-anchor,.point-link,.refs a){background:transparent;color:var(--blue);border:0;border-radius:0;font-size:12px;padding:4px 7px}
html[data-theme-page="study"] :is(.reading-body,.course-unit-lesson,.question-unit-expansion){font-size:15px;line-height:1.85}
html[data-theme-page="study"] :is(.compare-table,.reader-compare){font-size:13px}
html[data-theme-page="study"] :is(.compare-table th,.reader-compare th){background:var(--pale);color:var(--ink)}
html[data-theme-page="study"] :is(.compare-table td,.compare-table th){padding:8px 10px}
html[data-theme-page="study"] #quizSetup{max-width:1000px;margin:0;background:var(--paper);border:1px solid var(--line)}
html[data-theme-page="study"] #quizPlay{padding:0;background:transparent}
html[data-theme-page="study"] .workspace-review-layout{display:grid;grid-template-columns:minmax(0,1fr) 215px;gap:24px;align-items:start}
html[data-theme-page="study"] .workspace-document{min-width:0;padding:24px 30px 30px;background:var(--paper);border:1px solid var(--line)}
html[data-theme-page="study"] .workspace-document-label{font-size:11px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:11px;margin:0 0 16px}
html[data-theme-page="study"] #questionType{margin:0 0 5px;display:block;color:var(--muted);line-height:1.6;font-size:12px}
html[data-theme-page="study"] #answerRule{font-size:12px;margin:5px 0 16px}
html[data-theme-page="study"] .question{font-size:16px;font-weight:500;line-height:1.9;margin:16px 0 20px;color:var(--ink)}
html[data-theme-page="study"] .options{gap:0;border-top:1px solid var(--line)}
html[data-theme-page="study"] .option-row{border-bottom:1px solid var(--line);gap:8px}
html[data-theme-page="study"] .option{border:0;border-left:1px solid transparent;border-radius:0;padding:12px 10px;background:transparent;color:var(--ink);font-size:14px;min-height:48px;line-height:1.8}
html[data-theme-page="study"] .option:hover:not(:disabled){background:var(--pale);border-color:var(--line)}
html[data-theme-page="study"] .option.selected{background:var(--blue2);color:var(--ink);border-color:var(--blue)}
html[data-theme-page="study"] .option.correct{background:var(--green2);border-color:var(--green);color:var(--green)}
html[data-theme-page="study"] .option.wrong{background:var(--red2);border-color:var(--red);color:var(--red)}
html[data-theme-page="study"] .option-speech{min-width:42px;min-height:36px;padding:4px 7px;font-size:11px;color:var(--muted);border-color:transparent;background:transparent}
html[data-theme-page="study"] .option-speech:hover{border-color:var(--line)}
html[data-theme-page="study"] .workspace-inspector{min-width:0;font-size:12px;color:var(--muted);padding:8px 0}
html[data-theme-page="study"] .workspace-inspector>h2{font-size:12px;margin:0;padding-bottom:11px;border-bottom:1px solid var(--line);color:var(--ink)}
html[data-theme-page="study"] #quizCounter{padding:12px 0;margin:0;line-height:1.8;font-size:12px}
html[data-theme-page="study"] #practiceStatus{font-size:11px;line-height:1.9;margin:10px 0 15px}
html[data-theme-page="study"] .question-reading-actions{display:block;border-top:1px solid var(--line);padding-top:14px;margin:18px 0}
html[data-theme-page="study"] .question-reading-actions>span{display:block;font-size:11px;margin-top:8px}
html[data-theme-page="study"] #feedback{background:transparent;color:var(--ink);padding:20px 0 0;margin-top:24px;border-radius:0;border-top:1px solid var(--line)}
html[data-theme-page="study"] :is(.answer-analysis,.answer-option-review,.answer-recall,.answer-teaching,.question-knowledge-group,.option-note){background:transparent;border-radius:0;border-width:0 0 1px;border-color:var(--line);box-shadow:none;color:var(--ink)}
html[data-theme-page="study"] #feedback :is(h2,h3){font-size:15px;color:var(--ink)}
html[data-theme-page="study"] #feedback :is(p,li){font-size:14px}
html[data-theme-page="study"] .exam-layout{grid-template-columns:minmax(0,1fr) 245px;gap:24px}
html[data-theme-page="study"] .exam-heading{background:transparent;border:0;border-bottom:1px solid var(--line);padding:10px 0;margin:0}
html[data-theme-page="study"] .exam-heading :is(.exam-title,.exam-clock){font-size:13px;color:var(--ink)}
html[data-theme-page="study"] .exam-heading p{font-size:12px}
html[data-theme-page="study"] .exam-question{border:1px solid var(--line);padding:24px 30px}
html[data-theme-page="study"] .exam-question h2{font-size:16px;font-weight:500;line-height:1.9}
html[data-theme-page="study"] :is(.exam-type-badge,.exam-selection-rule){font-size:12px;background:transparent;color:var(--ink);padding:0;border-radius:0}
html[data-theme-page="study"] .exam-choice-marker{width:16px;height:16px;flex-basis:16px;border-width:1px;font-size:12px;margin-top:4px}
html[data-theme-page="study"] .exam-answer-card{padding:0;background:transparent}
html[data-theme-page="study"] .exam-answer-card .reading-detail{padding:0;background:transparent;border-radius:3px}
html[data-theme-page="study"] .exam-number{min-height:30px;border-radius:3px;background:var(--paper);color:var(--ink);border-color:var(--line);font-size:12px}
html[data-theme-page="study"] .exam-number.is-answered{background:var(--blue2);color:var(--ink);border-color:var(--muted)}
html[data-theme-page="study"] .exam-number.is-correct{background:var(--green2);color:var(--green)}
html[data-theme-page="study"] .exam-number.is-wrong{background:var(--red2);color:var(--red)}
html[data-theme-page="study"] .exam-number-grid{gap:5px}
html[data-theme-page="study"] .page-action-dock{left:var(--workspace-rail);padding:7px 24px calc(7px + env(safe-area-inset-bottom));background:var(--workspace-chrome);border-color:var(--line)}
html[data-theme-page="study"] .page-action-dock-inner{max-width:none;gap:16px}
html[data-theme-page="study"] body.has-page-actions main.wrap{padding-bottom:calc(var(--page-action-height,70px) + 24px)}
html[data-theme-page="study"] .page-action-status{font-size:12px;color:var(--muted)}
html[data-theme-page="study"] .page-action-buttons>.btn,html[data-theme-page="study"] .page-action-more>summary{min-height:34px;padding:6px 12px;font-size:12px;background:var(--paper);border-color:var(--line);color:var(--ink)}
html[data-theme-page="study"] .page-action-menu{border-radius:4px;background:var(--paper);border-color:var(--line)}
html[data-theme-page="study"] :is(.excerpt-speech-player,.excerpt-selection-bar,.excerpt-toast,.question-excerpt-dialog){border-radius:4px;background:var(--paper);color:var(--ink);border-color:var(--line);box-shadow:none}
@media(min-width:1700px){html[data-theme-page="study"] main.wrap{padding-left:48px;padding-right:48px}html[data-theme-page="study"] .workspace-toolbar{margin-left:-48px;margin-right:-48px;padding-left:48px;padding-right:48px}html[data-theme-page="study"] .workspace-review-layout{grid-template-columns:minmax(0,1050px) 240px}}
@media(max-width:1100px){html[data-theme-page="study"]{--workspace-rail:164px}html[data-theme-page="study"] main.wrap{padding-left:20px;padding-right:20px}html[data-theme-page="study"] .workspace-toolbar{margin-left:-20px;margin-right:-20px;padding-left:20px;padding-right:20px}html[data-theme-page="study"] .workspace-review-layout{grid-template-columns:minmax(0,1fr) 180px;gap:16px}html[data-theme-page="study"] .workspace-document{padding:20px}html[data-theme-page="study"] .course-layout{grid-template-columns:175px minmax(0,1fr)}html[data-theme-page="study"] .course-layout>#courseContent{padding:20px}html[data-theme-page="study"] .subject-card{grid-template-columns:135px minmax(0,1fr)}html[data-theme-page="study"] .subject-card>.actions{grid-column:2;grid-row:3;justify-content:flex-end}}
@media(max-width:800px){html[data-theme-page="study"]{--workspace-rail:0px}html[data-theme-page="study"] .hero{position:static;width:100%;overflow:visible;border:0;border-bottom:1px solid var(--line)}html[data-theme-page="study"] .hero>.wrap{padding:10px 14px;min-height:0;display:grid;grid-template-columns:1fr auto;gap:7px}html[data-theme-page="study"] .workspace-brand{padding:2px 0;border:0}html[data-theme-page="study"] .hero h1{font-size:14px}html[data-theme-page="study"] .workspace-group-label{display:none}html[data-theme-page="study"] .hero .actions{grid-column:2;grid-row:1;margin:0;padding:0;border:0;display:flex;align-items:center}html[data-theme-page="study"] .hero .actions>#jilinEntry{display:none}html[data-theme-page="study"] .theme-control{display:block;padding:0;font-size:0}html[data-theme-page="study"] .theme-control select{font-size:11px;width:85px;min-height:30px}html[data-theme-page="study"] .hero .actions>.btn{width:auto;min-height:30px;padding:4px;font-size:11px}html[data-theme-page="study"] .nav{grid-column:1/-1;display:flex;flex-direction:row;overflow-x:auto;gap:3px;padding:2px 0}html[data-theme-page="study"] .nav button{width:auto;min-height:36px;font-size:12px;padding:7px 9px}html[data-theme-page="study"] .nav button:before{display:none}html[data-theme-page="study"] main.wrap{width:100%;margin:0;padding:0 14px 24px}html[data-theme-page="study"] .workspace-toolbar{margin:0 -14px;padding:8px 14px;min-height:36px;font-size:11px}html[data-theme-page="study"] .workspace-toolbar-meta{display:none}html[data-theme-page="study"] #accountStatus{margin-bottom:14px}html[data-theme-page="study"] .workspace-review-layout{grid-template-columns:1fr;gap:12px}html[data-theme-page="study"] .workspace-document{padding:18px 16px}html[data-theme-page="study"] .workspace-inspector{border-top:1px solid var(--line);padding:14px 0}html[data-theme-page="study"] .workspace-inspector .question-reading-actions{display:flex;gap:10px;align-items:center}html[data-theme-page="study"] .workspace-inspector .question-reading-actions>span{margin:0}html[data-theme-page="study"] .course-layout{display:block}html[data-theme-page="study"] .course-layout>.course-directory{position:static;border-right:0;border-bottom:1px solid var(--line);max-height:240px;min-height:0;padding:12px}html[data-theme-page="study"] .course-layout>#courseContent{padding:18px 16px}html[data-theme-page="study"] .exam-layout{grid-template-columns:1fr;gap:14px}html[data-theme-page="study"] .exam-answer-card{order:-1}html[data-theme-page="study"] .exam-question{padding:18px 16px}html[data-theme-page="study"] .subject-card{grid-template-columns:1fr auto;gap:7px 12px;padding:14px}html[data-theme-page="study"] .subject-files{grid-column:1/-1;grid-row:3}html[data-theme-page="study"] .subject-card>.actions{grid-column:2;grid-row:1 / span 2}html[data-theme-page="study"] .subject-card>p{grid-column:1;grid-row:2}html[data-theme-page="study"] .btn{min-height:36px}html[data-theme-page="study"] .page-action-dock{padding:6px 12px calc(8px + env(safe-area-inset-bottom))}html[data-theme-page="study"] .page-action-buttons>.btn,html[data-theme-page="study"] .page-action-more>summary{min-height:42px;padding:8px 6px}html[data-theme-page="study"] .page-action-status{font-size:11px}html[data-theme-page="study"] .option-speech{min-height:44px}html[data-theme-page="study"] :is(.course-unit-grid,.book-library){grid-template-columns:1fr}}
@media print{html[data-theme-page="study"] .hero,html[data-theme-page="study"] .workspace-toolbar{display:none}html[data-theme-page="study"] main.wrap{width:100%;margin:0;padding:0}html[data-theme-page="study"] .workspace-review-layout{display:block}html[data-theme-page="study"] .workspace-inspector{display:none}html[data-theme-page="study"] .workspace-document{border:0;padding:0}}
/* Search and source views share the same quiet document chrome. */
/* History is a readable document with a date margin, rather than stacked cards. */
html[data-theme-page="study"] #timelineTabs{gap:5px;padding:10px 0 16px;border-bottom:1px solid var(--line);margin-bottom:14px}
html[data-theme-page="study"] #timelineTabs>.btn{font-size:12px;padding:6px 10px;min-height:34px}
html[data-theme-page="study"] #timelineTabs>[aria-pressed="true"]{background:var(--blue2);border-color:var(--muted);color:var(--ink)}
html[data-theme-page="study"] .history-reading-method{max-width:90ch;font-size:13px;color:var(--muted)}
html[data-theme-page="study"] .history-controls{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;padding:14px 0;border-bottom:1px solid var(--line)}
html[data-theme-page="study"] .history-controls>label{display:grid;gap:5px;flex:1 1 230px;font-size:12px;color:var(--muted)}
html[data-theme-page="study"] .history-controls :is(input,select){width:100%;min-width:0;min-height:38px;padding:7px 10px;border:1px solid var(--line);border-radius:3px;background:var(--paper);color:var(--ink);font:inherit;font-size:13px}
html[data-theme-page="study"] .history-controls>.btn{min-height:38px;font-size:12px}
html[data-theme-page="study"] .history-timeline{max-width:1100px}
html[data-theme-page="study"] .history-stage-heading{margin:28px 0 0;padding:0 0 18px;border-bottom:1px solid var(--line)}
html[data-theme-page="study"] .history-stage-heading h3{font-size:16px;line-height:1.6;margin:0 0 8px}
html[data-theme-page="study"] .history-stage-heading>p{max-width:95ch;font-size:13px;color:var(--muted);margin:0 0 8px}
html[data-theme-page="study"] .history-stage-chain{font-size:12px;color:var(--muted)}
html[data-theme-page="study"] .history-stage-chain summary{cursor:pointer}
html[data-theme-page="study"] .history-stage-chain p{font-size:13px;color:var(--ink);line-height:1.9;overflow-wrap:anywhere}
html[data-theme-page="study"] .history-record{display:grid;grid-template-columns:145px minmax(0,1fr);gap:24px;padding:20px 0;border-bottom:1px solid var(--line);scroll-margin-top:18px}
html[data-theme-page="study"] .history-record-date{padding-top:1px;font-size:12px;line-height:1.8;font-variant-numeric:tabular-nums}
html[data-theme-page="study"] .history-record .timeline-date{font-weight:500;color:var(--muted)}
html[data-theme-page="study"] .history-record .recall-date{border:1px dashed var(--muted);padding:4px 8px;background:var(--paper);color:var(--ink);font-size:12px}
html[data-theme-page="study"] .history-event-detail{min-width:0}
html[data-theme-page="study"] .history-event-detail>summary{cursor:pointer;padding-right:8px}
html[data-theme-page="study"] .history-record h4{font-size:15px;font-weight:600;line-height:1.8;margin:0}
html[data-theme-page="study"] .history-event-detail>summary>h4{display:inline}
html[data-theme-page="study"] .history-record .history-event-abstract{font-size:13px;line-height:1.8;color:var(--muted);margin:6px 0 0;max-width:90ch}
html[data-theme-page="study"] .history-event-body{max-width:90ch;padding-top:6px}
html[data-theme-page="study"] .history-event-body>section{margin:20px 0 0}
html[data-theme-page="study"] .history-event-body h5{font-size:12px;font-weight:600;color:var(--muted);margin:0 0 5px;line-height:1.8}
html[data-theme-page="study"] .history-event-body p{font-size:14px;line-height:1.95;margin:0;overflow-wrap:anywhere}
html[data-theme-page="study"] .history-event-recall{border-top:1px solid var(--line);padding-top:16px}
html[data-theme-page="study"] .history-event-recall>details{margin-top:10px;font-size:12px}
html[data-theme-page="study"] .history-event-recall>details>summary{cursor:pointer;color:var(--muted)}
html[data-theme-page="study"] .history-event-recall>details>p{padding-top:8px}
html[data-theme-page="study"] .history-event-related{display:flex;gap:5px 12px;flex-wrap:wrap;margin-top:18px;align-items:baseline;font-size:12px;color:var(--muted)}
html[data-theme-page="study"] .timeline-text-link{border:0;background:transparent;color:var(--blue);font:inherit;padding:3px 0;cursor:pointer;text-align:left;text-decoration:underline;text-underline-offset:3px}
html[data-theme-page="study"] .history-event-sources{display:flex;gap:6px 14px;flex-wrap:wrap;margin-top:16px;padding-top:12px;border-top:1px solid var(--line);font-size:11px;line-height:1.8;color:var(--muted)}
html[data-theme-page="study"] .history-event-sources a{color:var(--muted);overflow-wrap:anywhere;text-underline-offset:3px}
html[data-theme-page="study"] .history-reading-footer{padding-top:20px}
html[data-theme-page="study"] .history-empty{padding:30px 0}
@media(max-width:800px){html[data-theme-page="study"] .history-record{grid-template-columns:1fr;gap:6px;padding:18px 0}html[data-theme-page="study"] .history-controls>label{flex-basis:100%}html[data-theme-page="study"] .history-event-body{max-width:100%}html[data-theme-page="study"] .history-stage-heading h3{font-size:15px}html[data-theme-page="study"] .history-event-body p{font-size:14px}}
@media print{html[data-theme-page="study"] :is(.history-controls,#hideDates,#timelineTabs,.history-reading-footer){display:none}html[data-theme-page="study"] .history-record{break-inside:avoid}}
html:is([data-theme-page="search"],[data-theme-page="source"]) body{background:var(--bg);color:var(--ink);font-size:14px}
html:is([data-theme-page="search"],[data-theme-page="source"]) :is(header,.hero){background:var(--paper);color:var(--ink);border-bottom:1px solid var(--line);padding:18px 0}
html:is([data-theme-page="search"],[data-theme-page="source"]) :is(header,.hero) :is(h1,a,p){color:var(--ink)}
html:is([data-theme-page="search"],[data-theme-page="source"]) :is(header,.hero) h1{font-size:20px;line-height:1.5}
html:is([data-theme-page="search"],[data-theme-page="source"]) :is(.card,.result,.stat,.pager a,button,input,select){border-radius:4px;box-shadow:none}
html:is([data-theme-page="search"],[data-theme-page="source"]) .eyebrow{display:none}

/* Compact, account-scoped exam archive. */
html[data-theme-page="study"] .exam-history{scroll-margin-top:16px}
html[data-theme-page="study"] .exam-history h3{margin-bottom:6px}
html[data-theme-page="study"] .exam-history-row{border-color:var(--line);font-variant-numeric:tabular-nums}
html[data-theme-page="study"] .exam-history-row>.btn{font-size:12px;min-height:36px}
html[data-theme-page="study"] .exam-history-pager{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding-top:16px}
html[data-theme-page="study"] .exam-history-jump{display:flex;align-items:center;gap:8px;margin-left:auto}
html[data-theme-page="study"] .exam-history-jump label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
html[data-theme-page="study"] .exam-history-jump input{width:70px;min-height:36px;padding:6px 8px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:3px;font:inherit}
@media(max-width:600px){html[data-theme-page="study"] .exam-history-row{display:grid;grid-template-columns:1fr;gap:8px}html[data-theme-page="study"] .exam-history-row>.btn{justify-self:start}html[data-theme-page="study"] .exam-history :is(.btn,input){min-height:44px}}
@media(max-width:480px){html[data-theme-page="study"] .exam-history-jump{margin-left:0;width:100%}html[data-theme-page="study"] .exam-history-pager>.btn{flex:1}}
/* Textbook supplements follow the document's reading hierarchy. */
html[data-theme-page="study"] .textbook-lesson{border-top:1px solid var(--line);padding-top:20px;margin-top:22px;max-width:95ch}
html[data-theme-page="study"] .textbook-lesson>section{margin:22px 0}
html[data-theme-page="study"] .textbook-lesson h4{font-size:14px;line-height:1.7;margin:0 0 9px}
html[data-theme-page="study"] .textbook-lesson :is(p,li,dd){font-size:14px;line-height:1.95;overflow-wrap:anywhere}
html[data-theme-page="study"] .textbook-lesson li{padding-left:3px;margin:8px 0}
html[data-theme-page="study"] .textbook-concepts{margin:0}
html[data-theme-page="study"] .textbook-concepts>div{padding:10px 0;border-bottom:1px solid var(--line)}
html[data-theme-page="study"] .textbook-concepts dt{font-size:13px;font-weight:600;line-height:1.8}
html[data-theme-page="study"] .textbook-concepts dd{margin:4px 0 0}
html[data-theme-page="study"] .textbook-added{color:var(--muted);font-size:12px}
html[data-theme-page="study"] .textbook-entry{padding:10px 0 16px}
html[data-theme-page="study"] .textbook-filter{margin:20px 0}
html[data-theme-page="study"] .textbook-filter label{display:flex;gap:12px;align-items:center;font-size:13px;color:var(--muted);flex-wrap:wrap}
html[data-theme-page="study"] .textbook-filter select{min-height:38px;max-width:100%;padding:7px 10px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:3px;font:inherit}
html[data-theme-page="study"] .textbook-index-row{padding:12px 0;border-bottom:1px solid var(--line)}
html[data-theme-page="study"] .textbook-index-row p{margin:4px 0}
html[data-theme-page="study"] :is(.textbook-unit-link,.textbook-source-link){border:0;background:transparent;color:var(--blue);font:inherit;text-align:left;cursor:pointer;padding:4px 0;line-height:1.8;text-decoration:underline;text-underline-offset:3px}
html[data-theme-page="study"] .textbook-source-link{font-size:12px}
@media(max-width:800px){html[data-theme-page="study"] .textbook-lesson{max-width:100%}html[data-theme-page="study"] :is(.textbook-filter select,.textbook-unit-link,.textbook-source-link){min-height:44px}}

/* Historical originals: compact file index, readable paper, independent answer card. */
#mockContent{max-width:1500px;margin:0 auto;overflow-wrap:anywhere}
.mock-heading{border-bottom:1px solid var(--line);padding:0 0 16px;margin-bottom:18px}
.mock-heading h2{font-size:18px;font-weight:600;margin:0 0 6px}
.mock-heading p{margin:5px 0;max-width:90ch}
.mock-filters{display:flex;gap:18px;flex-wrap:wrap;margin:20px 0 12px}
.mock-filters label{display:flex;gap:9px;align-items:center;font-size:12px;color:var(--muted)}
.mock-filters select{font:inherit;min-height:34px;border:1px solid var(--line);border-radius:4px;background:var(--paper);color:var(--ink);padding:4px 8px}
.mock-year,.mock-history{margin:22px 0 30px}.mock-year h3,.mock-history h3{font-size:14px;font-weight:600}
.mock-file-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 14px;border-bottom:1px solid var(--line);background:var(--paper)}
.mock-file-row p{margin:2px 0 0}.mock-file-title{font:inherit;font-weight:600;color:var(--ink);border:0;background:none;padding:0;text-align:left;cursor:pointer}
.mock-file-title:hover{text-decoration:underline;text-underline-offset:3px}
.mock-file-row .actions{margin:0;flex-shrink:0}
.mock-layout{display:grid;grid-template-columns:minmax(0,1fr) 275px;gap:22px;align-items:start}
.mock-document{min-width:0;background:var(--paper);padding:24px 28px;line-height:1.9}
.mock-question{font-size:18px!important;font-weight:600;white-space:pre-line;line-height:1.8!important;max-width:75ch;margin:12px 0 24px}
.mock-original{border:1px solid var(--line);margin:14px 0;padding:9px 12px;font-size:12px;color:var(--muted)}
.mock-original summary{cursor:pointer}.mock-original figure{margin:12px 0 4px;background:#fff;padding:8px}.mock-original img{width:100%;height:auto;display:block}
.mock-options{border:0;padding:0;margin:18px 0 24px;min-width:0}
.mock-options .option-row{display:flex;align-items:center;gap:10px;margin:0;border-bottom:1px solid var(--line);padding:3px 0}
.mock-option{display:flex;align-items:flex-start;gap:12px;flex:1;padding:14px 10px;cursor:pointer;font-size:16px;min-width:0;white-space:pre-line}
.mock-option input{width:18px;height:18px;flex:none;margin:5px 0 0;accent-color:var(--blue)}
.mock-option.selected{background:var(--blue2)}.mock-option:has(input:disabled){cursor:default}
.mock-options .option-speech{font-size:12px!important;min-height:36px!important;flex:none}
.mock-note{display:block;font-size:13px;color:var(--muted);margin-top:22px}
.mock-note textarea{display:block;width:100%;resize:vertical;font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:10px;line-height:1.8;margin:7px 0 16px}
.mock-note textarea:disabled{opacity:.65}.mock-message{border:1px solid var(--line);background:var(--pale);padding:12px 16px;margin:14px 0;color:var(--ink);font-size:13px}
.mock-message .btn{margin:4px 8px 4px 0}.mock-inspector{position:sticky;top:16px;background:var(--paper);padding:16px;max-height:calc(100dvh - var(--page-action-height,80px) - 36px);display:flex;flex-direction:column;min-height:250px}
.mock-inspector>h3{font-size:14px;margin:0}.mock-inspector>p{font-size:12px;margin:7px 0}
.mock-answer-card{overflow-y:auto;overscroll-behavior:contain;min-height:80px;margin-top:10px;padding:1px 3px 8px;scrollbar-color:var(--line) var(--paper);scrollbar-width:thin}
.mock-answer-card h4{font-size:12px;color:var(--muted);margin:12px 0 7px}.mock-card-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:5px}
.mock-card-grid .btn{position:relative;padding:5px 2px;min-height:34px;font-size:12px!important;font-variant-numeric:tabular-nums}
.mock-card-grid .is-answered{background:var(--blue2)}.mock-card-grid .is-current{outline:2px solid var(--blue);outline-offset:-2px;font-weight:600!important}
.mock-card-grid .is-marked:after{content:'';position:absolute;width:5px;height:5px;border-radius:50%;background:var(--gold);right:3px;top:3px}
.mock-submit-dialog{border:1px solid var(--line);border-radius:4px;background:var(--paper);color:var(--ink);padding:24px;width:min(480px,calc(100vw - 28px));box-shadow:none}
.mock-submit-dialog::backdrop{background:#0006}.mock-submit-dialog h3{font-size:17px}.mock-submit-dialog p{font-size:14px;line-height:1.8}
#mockClock{font-variant-numeric:tabular-nums}
@media(max-width:1000px){.mock-layout{grid-template-columns:minmax(0,1fr) 230px}.mock-document{padding:20px}}
@media(max-width:800px){.mock-layout{grid-template-columns:1fr}.mock-document{padding:18px 15px}.mock-inspector{position:static;max-height:none}.mock-answer-card{max-height:280px}.mock-file-row{padding:12px 10px;gap:8px}.mock-file-row .actions .btn{font-size:12px}.mock-option{font-size:15px;padding:12px 6px}.mock-question{font-size:17px!important}.mock-options .option-row{gap:5px}.mock-year{margin:18px 0 26px}}

.foundation-entry{border-top:1px solid var(--line);padding-top:14px;margin:20px 0}.foundation-entry .btn{margin:3px 8px 3px 0}
.foundation-index-row,.foundation-chapter{padding:18px 0;border-bottom:1px solid var(--line)}.foundation-index-row p{margin:4px 0}.foundation-title{font:inherit;font-size:15px;font-weight:600;background:none;border:0;color:var(--ink);cursor:pointer;padding:0;text-align:left}.foundation-title:hover{text-decoration:underline;text-underline-offset:3px}
.foundation-lesson{line-height:1.95;max-width:78ch;margin:24px 0 32px}.foundation-lesson h4{font-size:16px;margin:26px 0 8px}.foundation-lesson p{font-size:16px}.foundation-lesson .case-prompt{font-weight:600}
.foundation-source-filter{display:flex;gap:12px;align-items:center;font-size:13px;margin:18px 0}.foundation-source-filter select{background:var(--paper);color:var(--ink);font:inherit;border:1px solid var(--line);border-radius:4px;padding:6px;max-width:70%}
.foundation-reading{border-bottom:1px solid var(--line);padding:13px 0}.foundation-reading>summary{font-size:14px;cursor:pointer;line-height:1.8}.foundation-reading>div{padding:12px 0 16px}
.foundation-source-text{white-space:pre-wrap;font:inherit;font-size:15px;line-height:1.9;color:var(--ink);background:var(--paper);padding:16px;margin:8px 0;overflow-wrap:anywhere;max-height:700px;overflow:auto}
.foundation-question-row{display:flex;gap:16px;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:9px 0}.foundation-question-row p{max-width:75ch;font-size:14px}.foundation-question-row .btn{flex:none}
.book1000-page{margin:18px 0;background:#fff;border:1px solid var(--line)}.book1000-page img{display:block;width:100%;height:auto}.foundation-page-jump{display:flex;gap:10px;align-items:center;margin:14px 0}.foundation-page-jump label{font-size:13px}.foundation-page-jump input{font:inherit;background:var(--paper);color:var(--ink);border:1px solid var(--line);padding:5px;width:75px;margin-left:8px}
.book1000-review{margin:24px 0}.book1000-analysis{line-height:1.95;font-size:16px;max-width:80ch}.book1000-analysis p{margin:8px 0!important;white-space:pre-line}.book1000-correction{border:1px solid var(--line);padding:14px 16px;margin:20px 0;background:var(--pale)}.book1000-correction h4{margin-top:0}.book1000-original{font-weight:400}
@media(max-width:650px){.foundation-source-filter{flex-wrap:wrap}.foundation-source-filter select{max-width:100%;width:100%}.foundation-question-row{align-items:flex-start}.foundation-question-row p{margin-top:0}.foundation-lesson p,.book1000-analysis{font-size:15px}.foundation-source-text{padding:10px;font-size:14px}}
.book1000-material{margin:0 0 24px;font-weight:400;font-size:14px}.book1000-material>summary{cursor:pointer;font-weight:600;padding:9px 0;border-bottom:1px solid var(--line)}.book1000-material pre{max-height:none;font-size:14px}
@media(max-width:800px){.supplement-reading #courseSidebar{display:none}.supplement-reading .course-layout{display:block}}

/* Reviewed original mock papers: document sections, no fixed headings. */
.mock-review-summary,.mock-review-panel{border:1px solid var(--line);padding:16px;margin:14px 0;background:var(--paper);border-radius:4px;}
.mock-review-panel>summary{cursor:pointer;font-weight:600;line-height:1.7;}
.mock-review-panel h4{margin:20px 0 10px}.mock-option-explanation{border-top:1px solid var(--line);padding:10px 0}.mock-option-explanation h5{font-size:inherit;margin:0 0 6px;line-height:1.7}.mock-option-explanation p{margin:0;line-height:1.9}.mock-review-panel>p{line-height:1.9}.mock-review-panel li{margin:8px 0;overflow-wrap:anywhere}
.mock-option.is-correct,.mock-card-grid .btn.is-correct{border-color:var(--green);background:color-mix(in srgb,var(--green) 12%,var(--paper));}
.mock-option.is-wrong,.mock-card-grid .btn.is-wrong{border-color:var(--red);background:color-mix(in srgb,var(--red) 10%,var(--paper));}
.mock-card-grid .btn.is-pending{background:var(--paper);border-style:dashed;}
html[data-theme-page="study"] #mockAnswerCard .btn{background:var(--paper);color:var(--ink);border:1px solid var(--line)}
html[data-theme-page="study"] #mockAnswerCard .btn.is-answered{background:var(--blue2);border-color:var(--blue)}
html[data-theme-page="study"] #mockAnswerCard .btn.is-correct{background:var(--green2);color:var(--green);border-color:var(--green)}
html[data-theme-page="study"] #mockAnswerCard .btn.is-wrong{background:var(--red2);color:var(--red);border-color:var(--red)}
html[data-theme-page="study"] #mockAnswerCard .btn.is-pending{background:var(--pale);color:var(--muted);border-style:dashed}
html[data-theme-page="study"] #mockAnswerCard .btn.is-current{outline:2px solid var(--blue);outline-offset:1px}
.mock-repair-panel{margin-block:24px 12px;padding-top:16px;border-top:1px solid var(--line);color:var(--ink)}
.mock-repair-panel>summary{cursor:pointer;font-weight:600;line-height:1.8}
.mock-repair-panel p{line-height:1.9;overflow-wrap:anywhere}
.mock-repair-prompt{font-weight:600;margin-top:20px}
.mock-repair-choices{border:0;padding:0;margin:16px 0;min-width:0}
.mock-repair-choices legend{font-size:13px;color:var(--muted);margin-bottom:10px}
.mock-repair-choices .mock-option{margin:0;border-radius:0;border-width:0 0 1px;padding:12px 4px;min-height:44px}
.mock-repair-panel button:focus-visible,.mock-repair-panel>summary:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
.mock-repair-feedback:empty{display:none}
.mock-repair-feedback{margin-top:20px}
.mock-repair-feedback h5{font-size:inherit;line-height:1.8}

.mock-year>summary{cursor:pointer;font-size:14px;font-weight:600;padding:12px 0;border-bottom:1px solid var(--line)}
.mock-filters input[type=search]{font:inherit;min-height:34px;border:1px solid var(--line);border-radius:4px;background:var(--paper);color:var(--ink);padding:4px 8px;max-width:240px}

/* All supplied folders stay visible; file rows preserve the quiet document UI. */
.mock-folder-tabs{display:flex;flex-wrap:wrap;gap:6px 12px;margin:18px 0 12px;border-bottom:1px solid var(--line);padding-bottom:12px}
.mock-folder-tabs .btn{font-size:12px;text-align:left;white-space:normal}
.mock-folder-tabs [aria-pressed=true],.mock-view-tabs [aria-pressed=true]{background:var(--paper);color:var(--ink);border-color:var(--ink);font-weight:600}
.mock-view-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.mock-source-section{margin:26px 0}.mock-source-section h3{font-size:14px;font-weight:600}
.mock-file-row>div:first-child{min-width:0}.mock-file-title{overflow-wrap:anywhere}
.mock-file-locations{font-size:12px;margin-top:6px}.mock-file-locations summary{cursor:pointer;color:var(--muted)}
.mock-file-locations p{overflow-wrap:anywhere}
@media(max-width:800px){.mock-file-row{flex-wrap:wrap}.mock-source-section .mock-file-row>.btn{margin-left:auto}.mock-folder-tabs{gap:6px}.mock-folder-tabs .btn{flex:1 1 44%;padding:8px}}
.mock-catalog-policy{font-size:12px;margin-top:8px}.mock-catalog-policy>summary{color:var(--muted);cursor:pointer}.mock-catalog-policy p{max-width:90ch}

.bank6000-search{flex-wrap:wrap}.bank6000-search label{display:flex;align-items:center;gap:8px;flex:1;min-width:220px}.bank6000-search input[type="search"]{flex:1;width:auto;min-width:0;margin-left:0;min-height:40px}.bank6000-search button{min-height:40px}
