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.callout-failure{background:#321e25;border-color:#70404a}html[data-reader-theme=dark] .callout-security{background:#302718;border-color:#69542d}html[data-reader-theme=dark] .callout-performance{background:#271f3a;border-color:#584477}html[data-reader-theme=dark] .callout-debugging{background:#172d29;border-color:#315f53}html[data-reader-theme=dark] .callout-version{background:#202838;border-color:#465268}html[data-reader-theme=dark] .callout-misconception{background:#34202c;border-color:#75445c}html[data-reader-theme=dark] .prose th{color:#f0f5ff;background:#1b2639}html[data-reader-theme=dark] .prose td{color:#d2dbea}html[data-reader-theme=dark] .source-trigger{color:#a9c8ff;background:#1a2d4d;border-color:#385983}html[data-reader-theme=dark] .source-trigger:hover{color:#d7e5ff;background:#223b63;border-color:#5075aa}html[data-reader-theme=dark] .source-modal{color:var(--ink);background:#111827;border-color:#3a4659}html[data-reader-theme=dark] .source-modal-header button{color:var(--dark-secondary);background:var(--dark-raised)}html[data-reader-theme=dark] .source-modal-header button:hover{color:#f2f6fc;background:var(--dark-hover)}html[data-reader-theme=dark] .prose .source-list a{color:#dce4f1;background:var(--dark-raised);border-color:#344158}html[data-reader-theme=dark] .prose .source-list a:hover{background:#1d2d46;border-color:#4e6992}html[data-reader-theme=dark] .source-domain{color:#eef4ff}html[data-reader-theme=dark] .source-url{color:#9eabc0}html[data-reader-theme=dark] .chapter-toggle{color:#b8c3d4}html[data-reader-theme=dark] .chapter-toggle:hover{color:#f0f5ff;background:var(--dark-hover)}html[data-reader-theme=dark] .chapter-toggle.active{color:#b9d1ff;background:#172a4d}html[data-reader-theme=dark] .chapter-number,html[data-reader-theme=dark] .chapter-state,html[data-reader-theme=dark] .sidebar-footer{color:#98a5b8}html[data-reader-theme=dark] .chapter-state.ready{color:#8fb7ff}html[data-reader-theme=dark] .subchapter-link{color:#aeb9ca}html[data-reader-theme=dark] .subchapter-link:hover{color:#d9e6fb;background:var(--dark-hover)}html[data-reader-theme=dark] .subchapter-link.active{color:#b9d1ff;background:#1a3158}html[data-reader-theme=dark] .sidebar-collapse{color:#aeb9ca;background:#151e2e;border-color:#3a4659}html[data-reader-theme=dark] .offline-button{color:#aeb9ca;border-color:#3a4659}html[data-reader-theme=dark] .offline-button:hover:not(:disabled){color:#b9d1ff;background:var(--dark-hover);border-color:#516987}html[data-reader-theme=dark] .offline-button.ready{color:#9fd3b7;border-color:#3d5d50}html[data-reader-theme=dark] .bookmark-nav-link,html[data-reader-theme=dark] .offline-error,html[data-reader-theme=dark] .offline-note,html[data-reader-theme=dark] .topbar-library{color:var(--dark-secondary)}html[data-reader-theme=dark] .bookmark-nav-link:hover,html[data-reader-theme=dark] .topbar-library:hover{color:#b9d1ff;background:var(--dark-hover)}html[data-reader-theme=dark] .user-menu-trigger{color:#c6d0df;border-color:#3a4659}html[data-reader-theme=dark] .user-menu-popover a,html[data-reader-theme=dark] .user-menu-popover>button{color:#c6d0df}html[data-reader-theme=dark] .user-menu-popover a:hover,html[data-reader-theme=dark] .user-menu-popover>button:hover:not(:disabled){color:#f1f5fb;background:var(--dark-hover)}html[data-reader-theme=dark] .back-to-top,html[data-reader-theme=dark] .page-toc-title{color:#9eabc0}html[data-reader-theme=dark] .page-toc nav a{color:#aeb9ca}html[data-reader-theme=dark] .page-toc nav a:hover{color:#d9e6fb;background:var(--dark-hover)}html[data-reader-theme=dark] .page-toc nav a.active{color:#b9d1ff;background:#172a4d}html[data-reader-theme=dark] .study-toolbar{color:#b7c2d3}html[data-reader-theme=dark] .study-toolbar-tools>button.active,html[data-reader-theme=dark] .study-toolbar-tools>button:hover,html[data-reader-theme=dark] .toolbar-collapse-toggle:hover{color:#b9d1ff;background:#1a3158}html[data-reader-theme=dark] .study-progress{color:#c4cede;background:#202b3d}html[data-reader-theme=dark] .study-panel>header button{color:var(--dark-secondary);background:var(--dark-raised)}html[data-reader-theme=dark] .display-controls>label,html[data-reader-theme=dark] .notes-controls>label,html[data-reader-theme=dark] .pencil-controls>label,html[data-reader-theme=dark] .study-status-row{color:#c5cfde}html[data-reader-theme=dark] .current-block-label,html[data-reader-theme=dark] .display-controls output,html[data-reader-theme=dark] .study-panel>footer{color:#a5b1c3}html[data-reader-theme=dark] .segmented-control{background:#0c1320}html[data-reader-theme=dark] .segmented-control button{color:#aeb9ca}html[data-reader-theme=dark] .pencil-actions button,html[data-reader-theme=dark] .pencil-controls>button:not(.finish-drawing),html[data-reader-theme=dark] .reset-reader{color:#bac5d5}html[data-reader-theme=dark] .bookmark-collection-group>strong,html[data-reader-theme=dark] .bookmark-subcollection>strong,html[data-reader-theme=dark] .notes-controls section h3{color:#e2e8f2}html[data-reader-theme=dark] .bookmark-collection-group>a,html[data-reader-theme=dark] .bookmark-subcollection>a{color:#b8c3d3}html[data-reader-theme=dark] .bookmark-collection-group>a:hover,html[data-reader-theme=dark] .bookmark-subcollection>a:hover{color:#dce8fb;background:var(--dark-hover)}html[data-reader-theme=dark] .section-bookmark-button{color:#a9b6c8}html[data-reader-theme=dark] .section-bookmark-button:focus-visible,html[data-reader-theme=dark] .section-bookmark-button:hover,html[data-reader-theme=dark] .study-bookmarked>.section-bookmark-button{color:#b9d1ff;background:#1a3158;border-color:#3b5c8b}html[data-reader-theme=dark] .bookmark-target{color:#b7c2d3}html[data-reader-theme=dark] .bookmark-choices button{color:#c1ccdc}html[data-reader-theme=dark] .bookmark-choices button:hover{color:#f0f5ff;background:var(--dark-hover)}html[data-reader-theme=dark] .bookmark-choices button.selected{color:#b9d1ff;background:#1a3158;border-color:#3b5c8b}html[data-reader-theme=dark] .bookmark-choices button small,html[data-reader-theme=dark] .bookmark-new-collection small{color:#9eabc0}html[data-reader-theme=dark] .bookmark-new-collection>label{color:#d5deeb}html[data-reader-theme=dark] .remove-bookmark{color:#ffaaa5;background:#321e25;border-color:#70404a}html[data-reader-theme=dark] .bookmark-nav-link.compact,html[data-reader-theme=dark] .mobile-bar button,html[data-reader-theme=dark] .mobile-library{color:#dce4f1;background:#151e2e;border-color:#3a4659}@media (min-width:1101px){.main-shell,.sidebar{transition:width .2s,margin-left .2s}body.sidebar-collapsed .sidebar{width:72px}body.sidebar-collapsed .main-shell{margin-left:72px}body.sidebar-collapsed .sidebar-brand{padding:24px 17px 20px}body.sidebar-collapsed .brand-mark{width:38px}body.sidebar-collapsed .chapter-name,body.sidebar-collapsed .chapter-state,body.sidebar-collapsed .sidebar-footer,body.sidebar-collapsed .sidebar-offline,body.sidebar-collapsed .sidebar-search,body.sidebar-collapsed .subchapter-list,body.sidebar-collapsed .tree-label{display:none}body.sidebar-collapsed .brand-copy{visibility:hidden;opacity:0;transition-delay:0s}body.sidebar-collapsed .chapter-tree{padding:10px 8px 22px}body.sidebar-collapsed .chapter-toggle{grid-template-columns:1fr;place-items:center;min-height:42px;padding:6px;display:grid}body.sidebar-collapsed .chapter-toggle .chevron{display:none}body.sidebar-collapsed .chapter-number{color:inherit;font-size:12px;font-weight:750}}@media (max-width:1100px){.mobile-bar{z-index:45;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffdfaf0;align-items:center;gap:12px;height:56px;padding:0 18px;display:flex;position:sticky;top:0}.mobile-bar button{width:36px;height:36px;color:var(--navy);border:1px solid var(--line);background:#fff;border-radius:8px;place-items:center;display:grid}.mobile-bar strong{color:var(--navy);font-size:13px}.mobile-bar>strong{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.mobile-library{width:36px;height:36px;color:var(--navy);border:1px solid var(--line);background:#fff;border-radius:8px;flex:0 0 36px;place-items:center;margin-left:auto;text-decoration:none;display:grid}.mobile-bar .user-menu{margin-left:0}.mobile-bar .user-menu-trigger{height:36px}.mobile-bar .user-menu-popover>button{color:#465269;background:0 0;border:0;width:100%;height:auto;display:flex}.sidebar{transition:transform .22s;transform:translate(-105%);box-shadow:20px 0 50px #10223f29}.sidebar.open{transform:translate(0)}.sidebar-scrim{z-index:40;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0c162659;border:0;position:fixed;inset:0}.main-shell{margin-left:0}.article-topbar{display:none}.content-layout{width:100%;padding:0;display:block}.article-frame{padding:54px 26px 84px}.page-toc{display:none}.chapter-title{font-size:39px}.chapter-deck{font-size:17px}.sidebar-collapse{display:none}.study-toolbar{padding-bottom:calc(6px + env(safe-area-inset-bottom));justify-content:flex-start;left:12px;right:12px;overflow:hidden}.study-toolbar.collapsed{left:calc(100% - 56px)}.study-toolbar-tools{flex:auto;justify-content:space-between;overflow-x:auto}.study-toolbar-tools>button{flex:0 0 37px;justify-content:center;padding:0}.study-toolbar-tools>button span{display:none}.study-panel{right:12px;bottom:calc(max(18px, env(safe-area-inset-bottom)) + 64px);width:min(430px,100vw - 24px)}.section-bookmark-button{opacity:.7}}@media (max-width:760px){.bookmark-library{grid-template-columns:1fr;margin-top:34px}.bookmark-page-hero{align-items:flex-start}.bookmark-page-emblem{display:none}.bookmark-library-sidebar{position:static}.bookmark-library-sidebar nav{max-height:260px}.bookmark-chapter-heading>a{font-size:0}.bookmark-chapter-heading>a svg{width:17px;height:17px}}@media (max-width:520px){:root{--sidebar-width:min(88vw,340px)}.article-frame{padding-inline:20px}.prose{font-size:16px}.prose h2{font-size:25px}.bookmark-modal-backdrop{padding:10px}.bookmark-modal{max-height:calc(100vh - 20px)}.bookmark-new-collection{grid-template-columns:1fr}.bookmark-new-collection button,.bookmark-new-collection small,.bookmark-new-collection>label{grid-column:1}.chapter-pagination{grid-template-columns:1fr}.page-link.next{text-align:left;grid-column:1}.code-actions button{font-size:0}.code-actions button svg{width:14px;height:14px}.login-card{padding:32px 24px 34px}.private-page-content{padding:50px 18px 75px}.private-page-header{padding-inline:18px}.private-header-actions{gap:4px}.private-header-actions .bookmark-nav-link{justify-content:center;width:36px;padding:0}.private-header-actions .bookmark-nav-link span{display:none}.settings-book-card{grid-template-columns:auto minmax(0,1fr);padding:18px}.settings-book-actions{grid-column:1/-1;justify-content:stretch;min-width:0}.settings-book-actions>button{justify-content:center;width:100%}.study-data-manager{grid-template-columns:auto minmax(0,1fr)}.study-data-actions{grid-column:1/-1;grid-template-columns:1fr 1fr;display:grid}.cache-confirm{grid-template-columns:1fr 1fr;justify-items:stretch;width:100%}.cache-confirm button{text-align:center}.book-picker-grid{grid-template-columns:1fr}.book-library-hero{align-items:flex-start}.library-volume-count{display:none}.book-picker-card{grid-template-columns:105px minmax(0,1fr);min-height:238px}.book-cover{margin-block:-5px;padding:20px 14px}.book-cover strong{font-size:29px}.book-picker-copy{padding:20px}.book-picker-status small{display:none}}@media (min-width:1101px) and (max-width:1180px){.content-layout{width:min(100%,940px);padding:0 42px;display:block}.page-toc{display:none}}@media print{.article-topbar,.bookmark-modal-backdrop,.chapter-pagination,.code-actions,.mobile-bar,.page-toc,.reading-progress,.section-bookmark-button,.sidebar,.study-panel,.study-toolbar{display:none!important}.main-shell{margin:0}.article-frame{width:auto;padding:0}.prose{font-size:11pt}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}