/*! tailwindcss v4.1.13 | MIT License | https://tailwindcss.com */@layer theme,base,components,utilities;@layer components.tb-tokens{.tl-catalog,.tl-lesson,.tl-overlay,.tutorial-mdx-body{color-scheme:light;--tb-font-latin:var(--font-geist),Inter,ui-sans-serif,system-ui,sans-serif;--tb-font-zh:"TL CJK Punct",var(--font-geist),"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC","Source Han Sans SC","Noto Sans CJK SC",sans-serif;--tb-font-text:var(--tb-font-latin);--tb-font-mono:var(--font-jetbrains-mono),ui-monospace,"SFMono-Regular",Consolas,monospace;--tb-font-mono-zh:var(--font-jetbrains-mono),ui-monospace,"SFMono-Regular",Consolas,"PingFang SC","Microsoft YaHei","Noto Sans SC",monospace;--tb-page:var(--background);--tb-surface:var(--card);--tb-surface-sunken:var(--muted);--tb-ink:var(--foreground);--tb-ink-2:#46423a;--tb-ink-muted:var(--muted-foreground);--tb-placeholder:var(--tb-ink-muted);--tb-border:var(--border);--tb-border-strong:#8a8273;--tb-focus:#2f5957;--tb-action:#8f3f2c;--tb-action-hover:#7a3424;--tb-action-ink:#fffefa;--tb-link:var(--tb-action);--tb-select:var(--tb-ink);--tb-select-fill:#f3eee2;--tb-select-glyph:#fffefc;--tb-check-glyph:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fffefc' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");--tb-go:#51613f;--tb-go-soft:#edf5eb;--tb-hold:#7a4a12;--tb-hold-soft:#f6e6c8;--tb-stop:#8f3f2c;--tb-stop-soft:#f8e6dd;--tb-info:#3f3a33;--tb-info-soft:#f3eadf;--tb-badge-bg:var(--tb-ink);--tb-badge-fg:#fffefc;--tb-badge-ring:var(--tb-badge-bg);--tb-mark-bg:#f4dfbd;--tb-mark-fg:#5f2f20;--tb-figure-edge:var(--tb-border);--tb-figure-filter:none;--tb-track:#e6e1d6;--tb-del-line:#b85c3e;--tb-heavy-rule:var(--tb-ink);--tb-em-key:var(--tb-ink);--tb-em-scope:var(--tb-ink);--tb-ground:var(--tb-page);--tb-sheet-bg:#fcf6ec;--tb-sheet-edge:#e6d9c6;--tb-hero-bg:#fbf4ea;--tb-accent:var(--tb-action);--tb-accent-soft:#f6e7dc;--tb-shadow-card:0 18px 48px #472d1812,0 2px 6px #472d180a;--tb-shadow-sheet:0 1px 2px #472d180d,0 10px 24px -14px #472d1829;--tb-glyph-mark:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23000' stroke-width='1.6' stroke-linejoin='round'%3E%3Cpath d='M8 1.8 14.2 8 8 14.2 1.8 8z'/%3E%3C/svg%3E");--tb-clay:var(--tb-stop);--tb-clay-soft:var(--tb-stop-soft);--tb-olive:var(--tb-go);--tb-olive-soft:var(--tb-go-soft);--tb-amber:var(--tb-hold);--tb-amber-soft:var(--tb-hold-soft);--tb-neutral:var(--tb-info);--tb-neutral-soft:var(--tb-info-soft)}html.dark :is(.tl-lesson,.tl-overlay,.tl-catalog,.tutorial-mdx-body){color-scheme:dark;--tb-ink-2:#cbd2dd;--tb-border-strong:#7d8ba3;--tb-focus:#7dd3fc;--tb-action:#7dd3fc;--tb-action-hover:#a5e1fd;--tb-action-ink:#0b1224;--tb-select-fill:#27303d;--tb-select-glyph:#0b1224;--tb-check-glyph:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230b1224' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");--tb-go:#a7f3d0;--tb-go-soft:#123135;--tb-hold:#fde68a;--tb-hold-soft:#322d25;--tb-stop:#fda4af;--tb-stop-soft:#322030;--tb-info:#d7e2f0;--tb-info-soft:#242e3d;--tb-badge-bg:var(--tb-surface-sunken);--tb-badge-fg:var(--tb-ink);--tb-badge-ring:var(--tb-border-strong);--tb-mark-bg:#3c3928;--tb-mark-fg:#fef3c7;--tb-figure-edge:var(--tb-border-strong);--tb-figure-filter:brightness(.92);--tb-track:#2b3546;--tb-del-line:#fda4af;--tb-heavy-rule:var(--tb-border-strong);--tb-sheet-bg:#0e1726;--tb-sheet-edge:var(--tb-border);--tb-hero-bg:#172234;--tb-accent-soft:#10283a;--tb-shadow-card:none;--tb-shadow-sheet:none}[data-tone=go]{--tb-tone:var(--tb-go);--tb-tone-soft:var(--tb-go-soft)}[data-tone=hold]{--tb-tone:var(--tb-hold);--tb-tone-soft:var(--tb-hold-soft)}[data-tone=stop]{--tb-tone:var(--tb-stop);--tb-tone-soft:var(--tb-stop-soft)}[data-tone=info]{--tb-tone:var(--tb-info);--tb-tone-soft:var(--tb-info-soft)}.tl-lesson:lang(en){--tb-measure:35rem}.tl-lesson:lang(zh){--tb-measure:47.5rem;--tb-font-mono:var(--tb-font-mono-zh)}}@layer components.tb-prose{.tl-article{color:var(--tb-ink);font-size:1rem;line-height:2}:where(.tl-prose)>:where(p),:where(.tl-prose)>:where(ul,ol){margin-block:1rem}:where(.tl-prose) :where(ul,ol){padding-inline-start:1.5rem}:where(.tl-prose) :where(ul){list-style-type:disc}:where(.tl-prose) :where(ul ul){list-style-type:circle}:where(.tl-prose) :where(ol){list-style-type:decimal}:where(.tl-prose) :where(li>ul,li>ol){margin-block:.25rem}:where(.tl-prose)>:where(h2){margin-block:3rem 1rem;scroll-margin-top:7rem;font-size:1.5rem;font-weight:600;line-height:1.375}:where(.tl-prose)>:where(h3){margin-block:2rem .75rem;scroll-margin-top:7rem;font-size:1.25rem;font-weight:600;line-height:1.375}:where(.tl-prose)>:where(h4){margin-block:1.5rem .5rem;scroll-margin-top:7rem;font-weight:600}:where(.tl-prose)>:where(blockquote){border-inline-start:4px solid var(--tb-border);color:var(--tb-ink-muted);margin-block:1.5rem;padding-inline-start:1rem}:where(.tl-prose)>:where(hr){border:0;border-block-start:1px solid var(--tb-border);margin-block:2.5rem}:where(.tl-prose)>:where(table){max-inline-size:100%;margin-block:1.5rem;font-size:.875rem;line-height:1.43;display:block;overflow-x:auto}.tl-table-scroll{overscroll-behavior-x:contain;border-block:2px solid var(--tb-heavy-rule);background:var(--tb-surface);scrollbar-color:var(--tb-border-strong)var(--tb-surface-sunken);min-inline-size:0;max-inline-size:100%;margin-block:1.5rem;overflow-x:auto}.tl-table-scroll:focus-visible{outline:2px solid var(--tb-focus);outline-offset:3px}.tl-table-scroll>:where(table){border-collapse:collapse;inline-size:100%;color:var(--tb-ink);font-size:.9375rem;line-height:1.65}.tl-table-scroll>:where(table) :where(th,td){text-align:start;vertical-align:top;white-space:normal;overflow-wrap:anywhere;min-inline-size:10rem;max-inline-size:28rem;padding:.875rem 1rem}.tl-table-scroll>:where(table) :where(thead th){border-block-end:1px solid var(--tb-heavy-rule);background:var(--tb-surface-sunken);color:var(--tb-ink-2);font-size:.875rem;font-weight:650;line-height:1.5}.tl-table-scroll>:where(table) :where(tbody tr+tr>*){border-block-start:1px solid var(--tb-border)}.tl-table-scroll>:where(table) :where(th,td)>:where(p+p){margin-block-start:.75rem}@media print{.tl-table-scroll{overflow:visible}.tl-table-scroll>:where(table){table-layout:fixed}.tl-table-scroll>:where(table) :where(th,td){min-inline-size:0;max-inline-size:none}}:where(.tl-prose) :where(p,li,dd,td,th,blockquote) :where(a){color:var(--tb-link);text-underline-offset:.25em;text-decoration-line:underline}:where(.tl-prose) :where(strong){color:var(--tb-em-key);font-weight:700}:where(.tl-prose) :where(em){color:var(--tb-em-scope);font-style:italic}:where(.tl-prose:lang(zh)) :where(em){text-emphasis:filled dot var(--tb-ink-2);font-style:normal;text-emphasis-position:under}:where(.tl-prose) :where(mark){background:var(--tb-mark-bg);color:var(--tb-mark-fg);-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:.25rem;padding:.08em .28em}:where(.tl-prose) :where(del){color:var(--tb-ink-muted);text-decoration:line-through;-webkit-text-decoration-color:var(--tb-del-line);text-decoration-color:var(--tb-del-line);text-decoration-thickness:.12em}:where(.tl-prose) :where(code){background:var(--tb-surface-sunken);color:var(--tb-ink);font-family:var(--tb-font-mono);border-radius:.25rem;padding:.1em .35em;font-size:.9em}:where(.tl-prose) :where(pre code){background:0 0;padding:0}:where(.tl-prose) :where(h1,h2,h3,h4,.tb-ui-title,.tb-ui-feedback__label) :where(strong,em){color:inherit}}@layer components.tb-blocks{.tb-code{--tb-code-comment:#66635c;--tb-code-string:#315b3a;--tb-code-keyword:#913e2b;--tb-code-constant:#285e78;--tb-code-function:#714668;border:1px solid var(--tb-border);background:var(--tb-surface);min-inline-size:0;max-inline-size:100%;color:var(--tb-ink);border-radius:.75rem;margin-block:1.5rem;overflow:hidden}html.dark .tb-code{--tb-code-comment:#a4abb8;--tb-code-string:#abd3ae;--tb-code-keyword:#f3b397;--tb-code-constant:#99cdeb;--tb-code-function:#d5b5d4}.tb-code__header{border-block-end:1px solid var(--tb-border);background:var(--tb-surface-sunken);align-items:center;gap:.75rem;min-block-size:3.5rem;padding-inline:1rem .5rem;font-size:.8125rem;line-height:1.5;display:flex}.tb-code__title{overflow-wrap:anywhere;flex:1;min-inline-size:0;font-weight:650}.tb-code__language{color:var(--tb-ink-2);font-family:var(--tb-font-mono);font-size:.75rem}.tb-code__copy{min-block-size:44px;color:var(--tb-action);cursor:pointer;border:1px solid #0000;border-radius:.5rem;flex-shrink:0;padding-inline:.75rem;font-weight:600}.tb-code__copy:hover{border-color:var(--tb-border-strong);background:var(--tb-surface)}.tb-code__copy:focus-visible,.tb-code__source:focus-visible{outline:2px solid var(--tb-focus);outline-offset:-3px}.tb-code__source{background:var(--tb-surface);max-inline-size:100%;color:var(--tb-ink);counter-reset:code-line;tab-size:2;white-space:pre;font-family:var(--tb-font-mono);margin:0;padding:1rem;font-size:.8125rem;line-height:1.85;overflow-x:auto}.tb-code__source>code{inline-size:max-content;min-inline-size:100%;color:inherit;font:inherit;background:0 0;border-radius:0;padding:0;display:block}.tb-code__source [data-code-line]{counter-increment:code-line;min-inline-size:100%;padding-inline-start:3.25ch;display:inline-block;position:relative}.tb-code__source [data-code-line]:before{inline-size:2ch;color:var(--tb-ink-muted);content:counter(code-line);text-align:end;-webkit-user-select:none;user-select:none;position:absolute;inset-inline-start:0}.tb-code__source [data-code-token=comment]{color:var(--tb-code-comment)}.tb-code__source [data-code-token=string]{color:var(--tb-code-string)}.tb-code__source [data-code-token=keyword]{color:var(--tb-code-keyword)}.tb-code__source [data-code-token=constant]{color:var(--tb-code-constant)}.tb-code__source [data-code-token=function]{color:var(--tb-code-function)}.tb-code__error{border-block-start:1px solid var(--tb-border);color:var(--tb-stop);padding:.75rem 1rem;font-size:.875rem;display:block}.tb-code__status{clip-path:inset(50%);white-space:nowrap;block-size:1px;inline-size:1px;position:absolute;overflow:hidden}@media (max-width:480px){.tb-code__header{gap:.5rem;padding-inline-start:.75rem}.tb-code__source{padding:.875rem .75rem}.tb-code__language{font-size:.6875rem}}@media print{.tb-code__copy,.tb-code__error,.tb-code__status{display:none}.tb-code{break-inside:avoid;overflow:visible}.tb-code__source{white-space:pre-wrap;overflow-wrap:anywhere;overflow:visible}.tb-code__source>code{inline-size:auto}}:where(.tl-lesson,.tl-overlay,.tutorial-mdx-body) button{cursor:pointer}:where(.tl-lesson,.tl-overlay,.tutorial-mdx-body) button:disabled{cursor:not-allowed}.tl-article>:first-child{margin-block-start:0}:where(.tl-lesson,.tl-overlay,.tutorial-mdx-body) .sr-only{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.tb-ui-title{color:var(--tb-ink);margin:0;font-size:1.0625rem;font-weight:600;line-height:1.5}.tb-ui-label{color:var(--tb-tone,var(--tb-ink-muted));margin:0;font-size:.8125rem;font-weight:600;line-height:1.4}.tb-ui-icon{flex:none;display:block}.tb-ui-num{font-variant-numeric:tabular-nums lining-nums}.tb-ui-panel{background:var(--tb-surface-sunken);color:var(--tb-ink);border-radius:10px;padding:.875rem 1rem}.tb-ui-sheet{--tb-ground:var(--tb-sheet-bg);border:1px solid var(--tb-sheet-edge);background:var(--tb-sheet-bg);min-inline-size:0;box-shadow:var(--tb-shadow-sheet);color:var(--tb-ink);border-radius:16px;margin-block:2rem;margin-inline:0;padding:0;container:tb-sheet/inline-size}.tb-ui-sheet__head{justify-content:space-between;align-items:center;gap:.75rem;min-block-size:2.75rem;padding:1rem 1.5rem 0;display:flex}.tb-ui-sheet__kind{color:var(--tb-ink-2);align-items:center;gap:10px;font-size:.8125rem;font-weight:600;line-height:1.4;display:inline-flex;position:relative}.tb-ui-sheet__kind:before{content:"";background:var(--tb-accent-soft);border-radius:8px;flex:none;block-size:1.75rem;inline-size:1.75rem}.tb-ui-sheet__kind:after{content:"";background:var(--tb-accent);block-size:16px;inline-size:16px;-webkit-mask:var(--tb-kind-glyph,var(--tb-glyph-mark))center/contain no-repeat;mask:var(--tb-kind-glyph,var(--tb-glyph-mark))center/contain no-repeat;position:absolute;inset-block-start:calc(50% - 8px);inset-inline-start:6px}.tb-ui-sheet__title{padding:1.25rem 1.5rem 0}.tb-ui-sheet__head+.tb-ui-sheet__title{padding-block-start:.625rem}legend.tb-ui-sheet__title{float:inline-start;inline-size:100%}legend.tb-ui-sheet__title+*{clear:both}.tb-ui-sheet__body{padding:1rem 1.5rem 1.5rem}.tb-ui-sheet__body:first-child{padding-block-start:1.5rem}.tb-ui-sheet__foot{border-block-start:1px solid var(--tb-sheet-edge);padding:0 1.5rem}@container tb-sheet (max-width:39.999rem){.tb-ui-sheet__body,.tb-ui-sheet__foot,.tb-ui-sheet__head,.tb-ui-sheet__title{padding-inline:1rem}}.tb-ui-sheet__body .tb-ui-sheet{box-shadow:none;background:0 0;border-width:1px 0 0;border-radius:0;margin-block:1.5rem 0}.tb-ui-sheet__body .tb-ui-sheet>:is(.tb-ui-sheet__head,.tb-ui-sheet__title,.tb-ui-sheet__body){padding-inline:0}.tb-ui-sheet__body .tb-ui-sheet>.tb-ui-sheet__body{padding-block-end:0}.tb-ui-group{border:0;min-inline-size:0;margin:0;padding:0}.tb-ui-group+.tb-ui-group{border-block-start:1px solid var(--tb-border);margin-block-start:1.5rem;padding-block-start:1.5rem}.tb-ui-group__legend{float:inline-start;inline-size:100%;color:var(--tb-ink);margin:0 0 .75rem;padding:0;font-size:1.0625rem;font-weight:600;line-height:1.5;display:block}.tb-ui-group__legend+*{clear:both}.tb-ui-group__count{color:var(--tb-ink-muted);font-variant-numeric:tabular-nums;margin-block-end:2px;font-size:.8125rem;font-weight:600;line-height:1.4;display:block}.tb-ui-group__hint{color:var(--tb-ink-muted);margin:-.5rem 0 .75rem;font-size:.875rem;line-height:1.6}.tb-ui-choice{border:1px solid var(--tb-border);background:var(--tb-surface);min-block-size:48px;inline-size:100%;color:var(--tb-ink);text-align:start;border-radius:6px;margin:0;padding:.75rem 2.75rem .75rem 1rem;font-size:.9375rem;font-weight:500;line-height:1.5;transition:background-color .12s cubic-bezier(.2,0,0,1),border-color .12s cubic-bezier(.2,0,0,1),transform .12s cubic-bezier(.2,0,0,1);display:block;position:relative}.tb-ui-choice__summary{color:var(--tb-ink-muted);margin-block-start:2px;font-size:.8125rem;font-weight:400;line-height:1.4;display:block}.tb-ui-choice__mark{border:1px solid var(--tb-border-strong);background:var(--tb-surface);color:#0000;border-radius:50%;place-items:center;block-size:20px;inline-size:20px;transition:background-color .12s cubic-bezier(.2,0,0,1),color .12s cubic-bezier(.2,0,0,1);display:grid;position:absolute;inset-block-start:.75rem;inset-inline-end:.875rem}.tb-ui-tabs{scrollbar-width:none;border-block-end:1px solid var(--tb-border);gap:.25rem;display:flex;overflow-x:auto}.tb-ui-tab{min-block-size:44px;color:var(--tb-ink-2);white-space:nowrap;border:0;background:0 0;border-block-end:3px solid #0000;flex:none;margin:0 0 -1px;padding:.5rem .75rem;font-size:.9375rem;font-weight:500;line-height:1.5}.tb-ui-options{border-block:1px solid var(--tb-border);margin:0;padding:0;list-style:none;display:grid}.tb-ui-option{border-block-end:1px solid var(--tb-border);min-block-size:44px;color:var(--tb-ink);align-items:flex-start;gap:.75rem;padding:.6875rem .75rem;font-size:.9375rem;font-weight:500;line-height:1.5;transition:background-color .12s cubic-bezier(.2,0,0,1);display:flex;position:relative}.tb-ui-option:last-child{border-block-end:0}.tb-ui-option :is(input[type=radio],input[type=checkbox]){appearance:none;border:1.5px solid var(--tb-border-strong);background:var(--tb-surface)no-repeat center/14px 14px;cursor:pointer;flex:none;block-size:20px;inline-size:20px;margin:1px 0 0;transition:background-color .12s cubic-bezier(.2,0,0,1),border-color .12s cubic-bezier(.2,0,0,1),box-shadow .12s cubic-bezier(.2,0,0,1)}.tb-ui-option input[type=radio]{border-radius:50%}.tb-ui-option input[type=checkbox]{border-radius:4px}.tb-ui-option__text{flex:1;gap:2px;min-inline-size:0;display:grid}.tb-ui-option__label{cursor:pointer}.tb-ui-option__label:after{content:"";position:absolute;inset:0}.tb-ui-option__label .tb-ui-tag{margin-inline-start:.5rem}.tb-ui-option__hint{color:var(--tb-ink-muted);font-size:.875rem;font-weight:400;line-height:1.6}.tb-ui-option__hint>:first-child{margin-block-start:0}.tb-ui-option__hint>:last-child{margin-block-end:0}.tb-ui-option__tag{white-space:nowrap;flex:none;margin-inline-start:auto;padding-inline-start:.5rem}.tb-ui-btn{min-block-size:44px;color:var(--tb-ink);text-align:center;background:0 0;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:6px;margin:0;padding:0 1rem;font-size:.9375rem;font-weight:600;line-height:1.25;text-decoration:none;transition:background-color .12s cubic-bezier(.2,0,0,1),color .12s cubic-bezier(.2,0,0,1);display:inline-flex}.tb-ui-btn--primary{background:var(--tb-action);color:var(--tb-action-ink)}.tb-ui-btn--secondary{border-color:var(--tb-border-strong);color:var(--tb-ink)}.tb-ui-btn--quiet{color:var(--tb-ink-2);text-decoration:underline;-webkit-text-decoration-color:var(--tb-border-strong);text-decoration-color:var(--tb-border-strong);text-underline-offset:.25em;padding-inline:.5rem;text-decoration-thickness:1px}.tb-ui-btn--danger{color:var(--tb-stop);padding-inline:.5rem}.tb-ui-btn .tb-ui-icon{block-size:1rem;inline-size:1rem}.tb-ui-btn--danger-confirm{border-color:var(--tb-stop);color:var(--tb-stop)}.tb-ui-actions{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.tb-ui-fields{grid-template-columns:minmax(0,1fr);gap:1rem;display:grid}.tb-ui-field{align-content:start;gap:6px;min-inline-size:0;display:grid}.tb-ui-field__label{color:var(--tb-ink);flex-wrap:wrap;align-items:baseline;gap:.5rem;font-size:.9375rem;font-weight:600;line-height:1.5;display:flex}.tb-ui-field__hint{color:var(--tb-ink-muted)}.tb-ui-field__error,.tb-ui-field__hint{margin:0;font-size:.875rem;line-height:1.6}.tb-ui-field__error{color:var(--tb-hold);align-items:flex-start;gap:6px;font-weight:600;display:flex}.tb-ui-control-wrap{display:block;position:relative}.tb-ui-control{border:1px solid var(--tb-border-strong);background:var(--tb-surface);min-block-size:44px;inline-size:100%;color:var(--tb-ink);font-variant-numeric:tabular-nums;border-radius:8px;margin:0;padding:.5625rem .75rem;font-size:1rem;line-height:1.5;transition:border-color .12s cubic-bezier(.2,0,0,1);display:block}.tb-ui-control::placeholder{color:var(--tb-placeholder)}select.tb-ui-control{padding-inline-end:2rem}textarea.tb-ui-control{resize:vertical}.tb-ui-control-wrap[data-unit] .tb-ui-control{padding-inline-end:5.5rem}.tb-ui-control__unit{pointer-events:none;color:var(--tb-ink-muted);align-items:center;font-size:.875rem;display:flex;position:absolute;inset-block:0;inset-inline-end:.75rem}.tb-ui-range{appearance:none;block-size:44px;inline-size:100%;accent-color:var(--tb-select);cursor:pointer;background:0 0;margin:0;padding:0;display:block}.tb-ui-range::-webkit-slider-runnable-track{background:linear-gradient(to right,var(--tb-select)var(--range-fill,0),var(--tb-track)var(--range-fill,0));block-size:6px;box-shadow:0 0 0 1px var(--tb-border-strong);border-radius:3px}.tb-ui-range::-moz-range-track{background:var(--tb-track);block-size:6px;box-shadow:0 0 0 1px var(--tb-border-strong);border-radius:3px}.tb-ui-range::-moz-range-progress{background:var(--tb-select);border-radius:3px;block-size:6px}.tb-ui-range::-webkit-slider-thumb{appearance:none;background:var(--tb-ink);block-size:20px;inline-size:20px;box-shadow:0 0 0 2px var(--tb-surface);border:0;border-radius:50%;margin-block-start:-7px}.tb-ui-range::-moz-range-thumb{background:var(--tb-ink);block-size:20px;inline-size:20px;box-shadow:0 0 0 2px var(--tb-surface);border:0;border-radius:50%}@media (forced-colors:active){.tb-ui-range{appearance:auto}}.tb-ui-chip{background:var(--tb-surface-sunken);font-variant-numeric:tabular-nums lining-nums;white-space:nowrap;border-radius:4px;align-items:center;gap:.25rem;padding:2px 6px;display:inline-flex}.tb-ui-chip,.tb-ui-tag{color:var(--tb-ink-2);font-size:.8125rem;font-weight:600;line-height:1.4}.tb-ui-meter{color:var(--tb-ink-2);font-variant-numeric:tabular-nums;white-space:nowrap;align-items:center;gap:.5rem;font-size:.8125rem;font-weight:600;display:inline-flex}.tb-ui-meter__track{background:var(--tb-track);border-radius:3px;block-size:6px;inline-size:4.5rem;display:block;overflow:hidden}.tb-ui-meter__fill{inline-size:var(--meter-fill,0);background:var(--tb-go);block-size:100%;display:block}.tb-ui-facts{gap:.5rem;margin:0;display:grid}.tb-ui-facts>div{grid-template-columns:8em minmax(0,1fr);gap:.75rem;display:grid}.tb-ui-facts dt{color:var(--tb-ink-muted);padding-block-start:.15em;font-size:.8125rem;font-weight:600;line-height:1.6}.tb-ui-facts dd{color:var(--tb-ink);margin:0;font-size:.9375rem;line-height:1.55}@container tb-sheet (max-width:30rem){.tb-ui-facts>div{grid-template-columns:minmax(0,1fr);gap:2px}}.tb-ui-live{min-block-size:0}.tb-ui-feedback{margin-block-start:.75rem}.tb-ui-feedback__choice{color:var(--tb-ink-muted);margin:0 0 6px;font-size:.875rem;line-height:1.6}.tb-ui-feedback__box{border-inline-start:3px solid var(--tb-tone);background:var(--tb-tone-soft);color:var(--tb-ink);border-start-start-radius:0;border-start-end-radius:10px;border-end-end-radius:10px;border-end-start-radius:0;gap:.5rem;padding:.75rem 1rem;animation:tb-enter .16s cubic-bezier(.2,0,0,1);display:grid}.tb-ui-feedback__head{color:var(--tb-tone);align-items:center;gap:.5rem;margin:0;display:flex}.tb-ui-feedback__label{color:var(--tb-tone);font-size:.9375rem;font-weight:600;line-height:1.5}.tb-ui-feedback__title{color:var(--tb-ink);margin:0;font-size:1.0625rem;font-weight:600;line-height:1.5}.tb-ui-feedback__body{color:var(--tb-ink);font-size:1rem;line-height:1.65}.tb-ui-feedback__body>:first-child{margin-block-start:0}.tb-ui-feedback__body>:last-child{margin-block-end:0}.tb-ui-feedback__better{margin:0;font-size:1rem;line-height:1.6}.tb-ui-feedback__better-label{font-weight:600}.tb-ui-feedback__next{margin:0;font-size:.875rem;font-weight:600;line-height:1.6}.tb-ui-feedback__next a{color:var(--tb-link);text-underline-offset:.2em;text-decoration:underline}.tb-ui-feedback__actions{flex-wrap:wrap;gap:.25rem;margin-inline-start:-.5rem;display:flex}@keyframes tb-enter{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@keyframes tb-ring{0%{box-shadow:0 0 0 0 var(--tb-border-strong)}to{box-shadow:0 0 0 7px #0000}}@keyframes tb-pop{0%{opacity:0;transform:scale(.6)}60%{opacity:1;transform:scale(1.08)}to{transform:none}}.tb-ui-persist__row{padding-block:.75rem}.tb-ui-persist__confirm,.tb-ui-persist__row{flex-wrap:wrap;align-items:center;gap:.5rem .75rem;display:flex}.tb-ui-persist__confirm{flex:100%}.tb-ui-persist__line{color:var(--tb-ink-2);flex-wrap:wrap;flex:14rem;align-items:baseline;gap:6px;margin:0;font-size:.875rem;font-weight:600;line-height:1.6;display:flex}.tb-ui-persist__glyph{text-align:center;flex:none;inline-size:1em}.tb-ui-persist__reason{color:var(--tb-ink-muted);flex-basis:100%;margin:0;font-size:.875rem;line-height:1.6}.tb-ui-persist__confirm-text{color:var(--tb-ink);flex:16rem;margin:0;font-size:.875rem;font-weight:600;line-height:1.6}.tb-ui-persist__static{flex-wrap:wrap;align-items:center;gap:.25rem .75rem;padding-block-end:.75rem;display:flex}.tb-ui-persist__note{color:var(--tb-ink-muted);flex:16rem;margin:0;font-size:.8125rem;line-height:1.55}.tb-ui-persist__more{flex-wrap:wrap;gap:2px;margin-inline-start:auto;display:flex}.tb-ui-figure{color:var(--tb-ink);margin-block:2rem;margin-inline:0}.tb-ui-figure__head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.5rem 1.25rem;margin-block-end:1rem;display:flex}.tb-ui-figure__title{font-size:1rem;font-weight:600;line-height:1.5}.tb-ui-figure__legend{color:var(--tb-ink-2);flex-wrap:wrap;gap:.25rem 1rem;font-size:.8125rem;line-height:1.5;display:flex}.tb-ui-figure__key{align-items:center;gap:.3rem;display:inline-flex}.tb-ui-figure__key .tb-ui-icon{block-size:14px;inline-size:14px}.tb-ui-figure__note{color:var(--tb-ink-muted);margin:.75rem 0 0;font-size:.875rem;line-height:1.6}.tb-ui-chip--verdict{background:var(--tb-tone-soft,var(--tb-info-soft));color:var(--tb-tone,var(--tb-info));white-space:nowrap;vertical-align:.05em;border:1px solid #0000;border-radius:999px;align-items:center;gap:.3em;padding:.1em .6em .1em .45em;font-size:.875em;font-weight:600;line-height:1.5;display:inline-flex}.tb-ui-chip--verdict .tb-ui-icon{flex:none;block-size:1em;inline-size:1em}.tb-ui-cite{margin-inline-start:.15em;font-size:.7em;line-height:0}.tb-ui-cite a{background:var(--tb-surface-sunken);color:var(--tb-ink-2);border-radius:4px;padding:.05em .35em;font-weight:600;text-decoration:none}.tb-ui-cite a:hover{text-decoration:underline}@media print{.tb-ui-chip--verdict{background:0 0;border-color:currentColor}}@supports (content-visibility:auto) and (contain-intrinsic-block-size:auto 700px){.tl-article .tb-member-only>.tl-prose>:is(.tb-compare-table,.tb-steps,.tb-figure),.tl-article>:is(.tb-compare-table,.tb-steps,.tb-figure){content-visibility:auto;contain-intrinsic-block-size:auto 700px}.tl-article .tb-member-only>.tl-prose>:is(.tb-compare-table,.tb-steps,.tb-figure):focus-within,.tl-article:has(:target) .tb-member-only>.tl-prose>:is(.tb-compare-table,.tb-steps,.tb-figure),.tl-article:has(:target)>:is(.tb-compare-table,.tb-steps,.tb-figure),.tl-article>:is(.tb-compare-table,.tb-steps,.tb-figure):focus-within{content-visibility:visible}@media print{.tl-article .tb-member-only>.tl-prose>:is(.tb-compare-table,.tb-steps,.tb-figure),.tl-article>:is(.tb-compare-table,.tb-steps,.tb-figure){content-visibility:visible;contain-intrinsic-block-size:none}}}.tb-callout,.tb-compare-table,.tb-details,.tb-figure,.tb-metric-card,.tb-metric-grid,.tb-steps,.tb-stop-go{color:var(--tb-ink);margin-block:1.5rem}.tb-callout__body>:first-child,.tb-details__body>:first-child,.tb-metric-card__read>:first-child,.tb-step-note__body>:first-child,.tb-steps__body>:first-child,.tb-stop-go__text>:first-child{margin-top:0}.tb-callout__body>:last-child,.tb-details__body>:last-child,.tb-metric-card__read>:last-child,.tb-step-note__body>:last-child,.tb-steps__body>:last-child,.tb-stop-go__text>:last-child{margin-bottom:0}.tb-callout{max-inline-size:min(100%,var(--tb-measure,100%));border-inline-start:3px solid var(--tb-info);padding:.25rem 0 .25rem 1rem}.tb-callout--key{border-inline-start-color:var(--tb-accent);background:var(--tb-accent-soft);border-start-end-radius:14px;border-end-end-radius:14px;padding:.875rem 1.125rem}.tb-callout--warn{border-inline-start-color:var(--tb-hold);background:var(--tb-hold-soft);border-start-end-radius:10px;border-end-end-radius:10px;padding:.875rem 1rem}.tb-callout__label{color:var(--tb-ink-2);align-items:center;gap:.375rem;margin:0 0 .25rem;font-size:.8125rem;font-weight:600;line-height:1.4;display:flex}.tb-callout--warn .tb-callout__label{color:var(--tb-hold)}.tb-callout__label a{color:var(--tb-link);text-underline-offset:.2em;text-decoration:underline}.tb-callout>.tb-ui-title{margin-block-end:.25rem}.tb-callout--key .tb-callout__body{font-size:1.125rem;line-height:1.7}.tb-stop-go{container:tb-stop-go/inline-size}.tb-stop-go>.tb-ui-title{margin-block-end:.5rem}.tb-stop-go__table{border-collapse:collapse;table-layout:fixed;inline-size:100%}.tb-stop-go__table th{text-align:start;vertical-align:bottom;padding:0 1rem 0 0;font-size:.9375rem;font-weight:700;line-height:1.5}.tb-stop-go__table th>span{border-block-end:3px solid var(--tb-tone);color:var(--tb-tone);align-items:center;gap:.375rem;padding-block-end:.5rem;display:flex}.tb-stop-go__table td{vertical-align:top;border-block-end:1px solid var(--tb-border);color:var(--tb-ink);padding:.75rem 1rem .75rem 0;font-size:.9375rem;line-height:1.6}.tb-stop-go__table :is(th,td):last-child{padding-inline-end:0}.tb-stop-go__table tr:has(+tr>td[data-tone=info])>td{border-block-end:0;padding-block-end:.25rem}.tb-stop-go__cell-label{color:var(--tb-tone);align-items:center;gap:.375rem;margin-block-end:.125rem;font-size:.8125rem;font-weight:700;line-height:1.4;display:none}.tb-stop-go__table td[data-tone=info]>.tb-stop-go__cell-label{display:flex}@container tb-stop-go (max-width:39.999rem){.tb-stop-go__table,.tb-stop-go__table :is(tbody,tr,td){display:block}.tb-stop-go__table thead{clip-path:inset(50%);block-size:1px;inline-size:1px;position:absolute;overflow:hidden}.tb-stop-go__table tr{border-block-end:1px solid var(--tb-border);padding-block:.5rem}.tb-stop-go__table tr:has(+tr>td[data-tone=info]){border-block-end:0;padding-block-end:0}.tb-stop-go__table td,.tb-stop-go__table tr:has(+tr>td[data-tone=info])>td{border:0;border-inline-start:3px solid var(--tb-tone);margin-block:.5rem;padding:.25rem 0 .25rem .75rem}.tb-stop-go__cell-label{display:flex}}.tb-metric-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,12rem),1fr));gap:.75rem;display:grid}.tb-metric-card{background:var(--tb-surface-sunken);border-radius:10px;min-inline-size:0;padding:.875rem 1rem}.tb-metric-grid>.tb-metric-card{margin:0}.tb-metric-card__name{color:var(--tb-ink-muted);margin:0;font-size:.8125rem;font-weight:600;line-height:1.4}.tb-metric-card__figure{flex-wrap:wrap;align-items:baseline;gap:.25rem .5rem;margin:.25rem 0 0;display:flex}.tb-metric-card__value{color:var(--tb-ink);font-variant-numeric:tabular-nums lining-nums;font-size:1.75rem;font-weight:700;line-height:1.25}.tb-metric-card__formula{font-family:var(--tb-font-mono);color:var(--tb-ink-muted);margin:.25rem 0 0;font-size:.8125rem;line-height:1.5}.tb-metric-card__read{margin-block-start:.5rem;font-size:.875rem;line-height:1.6}.tb-metric-card__formula+.tb-metric-card__read{margin-block-start:.375rem}@container tl-lesson (max-width:39.999rem){.tb-metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tb-metric-card{padding:.75rem}.tb-metric-card__value{font-size:1.5rem}}.tb-compare-table{container:tb-compare-table/inline-size}.tb-compare-table__caption{color:var(--tb-ink);flex-wrap:wrap;align-items:center;gap:.5rem;margin:0 0 .75rem;font-size:1rem;font-weight:650;line-height:1.5;display:flex}.tb-compare-table__scroll{overscroll-behavior-x:contain;border-block:2px solid var(--tb-heavy-rule);background:linear-gradient(to right,var(--tb-ground)60%,transparent)0/24px 100% no-repeat local,linear-gradient(to left,var(--tb-ground)60%,transparent)100%/24px 100% no-repeat local,radial-gradient(farthest-side at 0 50%,var(--tb-border-strong),transparent)0/8px 100% no-repeat scroll,radial-gradient(farthest-side at 100% 50%,var(--tb-border-strong),transparent)100%/8px 100% no-repeat scroll;overflow-x:auto}.tb-compare-table__table{border-collapse:collapse;inline-size:100%}.tb-compare-table__table td,.tb-compare-table__table th{text-align:start;vertical-align:top;color:var(--tb-ink);padding:.625rem 1rem .625rem 0;font-size:.9375rem;line-height:1.55}.tb-compare-table__table :is(th,td):last-child{padding-inline-end:0}.tb-compare-table__table thead th{border-block-end:1px solid var(--tb-heavy-rule);vertical-align:bottom;color:var(--tb-ink-2);padding-block:.625rem;font-size:.8125rem;font-weight:600;line-height:1.4}.tb-compare-table__table tbody tr+tr>*{border-block-start:1px solid var(--tb-border)}.tb-compare-table__table tbody th{font-weight:600}.tb-compare-table__table [data-numeric]{text-align:end;font-variant-numeric:tabular-nums lining-nums}.tb-compare-table--scroll .tb-compare-table__table{min-inline-size:56rem}.tb-compare-table--scroll .tb-compare-table__table :is(thead th,tbody th):first-child{z-index:1;background:var(--tb-ground);min-inline-size:9rem;max-inline-size:11rem;box-shadow:1px 0 0 var(--tb-border);padding-inline-end:.75rem;position:sticky;inset-inline-start:0}.tb-compare-table--scroll .tb-compare-table__table :is(thead th,tbody th):first-child+*{padding-inline-start:.75rem}.tb-compare-table__hint{color:var(--tb-ink-muted);margin:-.25rem 0 .5rem;font-size:.875rem;display:none}@container tb-compare-table (max-width:55.999rem){.tb-compare-table--scroll .tb-compare-table__hint{display:block}}@container tb-compare-table (max-width:39.999rem){.tb-compare-table--scroll .tb-compare-table__table{min-inline-size:44rem}.tb-compare-table--stack .tb-compare-table__scroll{background:0 0;border:0;overflow:visible}.tb-compare-table--stack .tb-compare-table__table,.tb-compare-table--stack .tb-compare-table__table :is(tbody,tr,th,td){display:block}.tb-compare-table--stack .tb-compare-table__table thead{clip-path:inset(50%);block-size:1px;inline-size:1px;position:absolute;overflow:hidden}.tb-compare-table--stack .tb-compare-table__table tbody tr{border:1px solid var(--tb-border);border-radius:6px;margin-block-end:.75rem;padding:.75rem 1rem}.tb-compare-table--stack .tb-compare-table__table tbody tr+tr>*{border:0}.tb-compare-table--stack .tb-compare-table__table tbody th{padding:0 0 .5rem;font-size:1rem}.tb-compare-table--stack .tb-compare-table__table td{text-align:start;padding:.5rem 0 0}.tb-compare-table--stack .tb-compare-table__table td:before{content:attr(data-label)/"";color:var(--tb-ink-muted);font-size:.8125rem;font-weight:600;line-height:1.4;display:block}}.tb-compare-table__cards{grid-template-columns:repeat(auto-fill,minmax(min(100%,16rem),1fr));gap:.75rem;margin:0;padding:0;list-style:none;display:grid}.tb-compare-table--iconic .tb-compare-table__cards{grid-template-columns:repeat(auto-fill,minmax(min(100%,20rem),1fr))}.tb-compare-table__card{border:1px solid var(--tb-sheet-edge);background:var(--tb-sheet-bg);min-width:0;color:var(--tb-ink);overflow-wrap:anywhere;border-radius:14px;align-content:start;gap:.625rem;padding:1rem 1.125rem;display:grid}.tb-compare-table__card[data-tone]{border-inline-start:3px solid var(--tb-tone);border-start-start-radius:0;border-end-start-radius:0}.tb-compare-table__card-head{flex-wrap:wrap;align-items:center;gap:.5rem .625rem;display:flex}.tb-compare-table__card-title{color:var(--tb-ink);flex:8rem;margin:0;font-size:1rem;font-weight:600;line-height:1.45}.tb-compare-table__icon{background:var(--tb-accent-soft);block-size:2rem;inline-size:2rem;color:var(--tb-accent);border-radius:10px;flex:none;place-items:center;display:inline-grid}.tb-compare-table__icon .tb-ui-icon{block-size:18px;inline-size:18px}.tb-compare-table__table th>.tb-compare-table__icon{vertical-align:middle;border-radius:8px;block-size:1.5rem;inline-size:1.5rem;margin-inline-end:.5rem}.tb-compare-table__lead{color:var(--tb-ink);margin:0;font-size:.9375rem;line-height:1.65}.tb-compare-table__facts{gap:.5rem}.tb-compare-table__lead+.tb-compare-table__facts{border-block-start:1px solid var(--tb-sheet-edge);padding-block-start:.625rem}.tb-compare-table__facts>div{font-size:.9rem;line-height:1.65;display:block}.tb-compare-table__facts dt{background:var(--tb-surface);box-shadow:inset 0 0 0 1px var(--tb-sheet-edge);color:var(--tb-ink-2);letter-spacing:.02em;white-space:nowrap;vertical-align:.05em;border-radius:6px;margin-inline-end:.5rem;padding:.0625rem .4375rem;font-size:.75rem;font-weight:600;line-height:1.5;display:inline}.tb-compare-table__facts dd{font-size:inherit;line-height:inherit;color:var(--tb-ink-2);margin:0;display:inline}.tb-steps__list{margin:0;padding:0;list-style:none}.tb-steps>.tb-ui-title{margin-block-end:.75rem}.tb-steps__item{counter-increment:tb-steps;grid-template-columns:2.75rem minmax(0,1fr);padding-block-end:1.5rem;display:grid;position:relative}.tb-steps__item:last-child{padding-block-end:0}.tb-steps__item>*{grid-column:2}.tb-steps__item:before{content:counter(tb-steps);z-index:1;border:1.5px solid var(--tb-badge-ring);background:var(--tb-badge-bg);block-size:28px;inline-size:28px;color:var(--tb-badge-fg);font-variant-numeric:tabular-nums;border-radius:50%;grid-area:1/1/span 3;place-items:center;font-size:.8125rem;font-weight:700;display:grid;position:relative}.tb-steps__item:after{content:"";background:var(--tb-border-strong);inline-size:2px;position:absolute;inset-block:32px 4px;inset-inline-start:13px}.tb-steps__item:last-child:after{display:none}.tb-steps__item>.tb-ui-title{margin:2px 0 .25rem}.tb-steps__body>*+*{margin-top:.625rem}.tb-steps__notes{gap:.75rem;margin-top:.75rem;display:grid}@container tl-lesson (min-width:48rem){.tb-steps__notes{grid-template-columns:repeat(2,minmax(0,1fr))}}@container tl-lesson (max-width:39.999rem){.tb-steps__item{grid-template-columns:2.25rem minmax(0,1fr)}}.tb-step-note{border-inline-start:3px solid var(--tb-tone);color:var(--tb-ink);padding-inline-start:.75rem;font-size:.9375rem;line-height:1.6}.tb-step-note--evidence,.tb-step-note--result{--tb-tone:var(--tb-info)}.tb-step-note--check{--tb-tone:var(--tb-go)}.tb-step-note--recover{--tb-tone:var(--tb-hold)}.tb-step-note--warn{--tb-tone:var(--tb-stop)}.tb-step-note__label{color:var(--tb-tone);align-items:center;gap:.375rem;margin:0;font-size:.8125rem;font-weight:600;line-height:1.4;display:flex}.tb-steps__when{color:var(--tb-accent);overflow-wrap:anywhere;margin:0 0 .25rem;font-size:.8125rem;font-weight:650;line-height:1.6}.tb-steps--timeline .tb-steps__item{--tb-time-label:6.5rem;grid-template-columns:var(--tb-time-label)1.75rem minmax(0,1fr);padding-block-end:1.75rem}.tb-steps--timeline .tb-steps__item:last-child{padding-block-end:0}.tb-steps--timeline .tb-steps__item>*{grid-column:3}.tb-steps--timeline .tb-steps__item>.tb-steps__when{grid-area:1/1/span 4;padding-inline-end:.75rem}.tb-steps--timeline .tb-steps__item:before{content:"";border-color:var(--tb-accent);background:var(--tb-surface);grid-column:2;justify-self:center;block-size:12px;inline-size:12px;margin-block-start:.4rem}.tb-steps--timeline .tb-steps__item:after{background:var(--tb-sheet-edge);inset-block-start:1.25rem;inset-inline-start:calc(var(--tb-time-label) + .875rem - 1px)}@container tl-lesson (max-width:39.999rem){.tb-steps--timeline .tb-steps__item{grid-template-columns:1.75rem minmax(0,1fr)}.tb-steps--timeline .tb-steps__item>*,.tb-steps--timeline .tb-steps__item>.tb-steps__when{grid-area:auto/2}.tb-steps--timeline .tb-steps__item:before{grid-column:1}.tb-steps--timeline .tb-steps__item:after{inset-inline-start:calc(.875rem - 1px)}}.tb-figure{margin-inline:0}.tb-figure__path{color:var(--tb-ink-2);margin:0 0 .5rem;font-size:.875rem;line-height:1.5}.tb-figure__path code{color:inherit;font-family:var(--tb-font-mono);font-size:inherit;overflow-wrap:anywhere;background:0 0;padding:0}.tb-figure__frame{border:1px solid var(--tb-figure-edge);background:var(--tb-surface-sunken);border-radius:6px;position:relative;overflow:hidden}.tb-figure__img{block-size:auto;inline-size:100%;filter:var(--tb-figure-filter);display:block}.tb-figure__badge{border:1.5px solid var(--tb-badge-ring);background:var(--tb-badge-bg);block-size:22px;min-inline-size:22px;box-shadow:0 0 0 2px var(--tb-surface);color:var(--tb-badge-fg);pointer-events:none;border-radius:999px;place-items:center;padding-inline:.25rem;font-size:.75rem;font-weight:700;line-height:1;display:grid;position:absolute;transform:translate(-50%,-50%)}.tb-figure__caption{color:var(--tb-ink-muted);margin-top:.5rem;font-size:.875rem;line-height:1.6}.tb-figure__caption>p{margin:0}.tb-figure__marks{gap:.5rem .75rem;margin:.75rem 0 0;padding:0;list-style:none;display:grid}.tb-figure__marks>li{background:var(--tb-surface-sunken);min-height:1.5rem;color:var(--tb-ink-2);border-radius:8px;padding:.625rem .75rem .625rem 2.5rem;font-size:.9375rem;line-height:1.65;position:relative}.tb-figure__marks>li:before{content:counter(list-item);border:1px solid var(--tb-accent);background:var(--tb-accent-soft);width:1.25rem;height:1.25rem;color:var(--tb-accent);border-radius:999px;place-items:center;font-size:.6875rem;font-weight:700;line-height:1;display:grid;position:absolute;inset-block-start:.75rem;inset-inline-start:.625rem}@container tl-lesson (min-width:48rem){.tb-figure__marks{grid-template-columns:repeat(2,minmax(0,1fr))}}.tb-figure-grid{color:var(--tb-ink);margin-block:1.5rem;margin-inline:0;container:tb-figure-grid/inline-size}.tb-figure-grid__items{grid-template-columns:minmax(0,1fr);gap:1rem;display:grid}.tb-figure-grid__items>.tb-figure{min-inline-size:0;margin:0}.tb-figure-grid__caption{color:var(--tb-ink-muted);margin-top:.5rem;font-size:.875rem;line-height:1.6}@container tb-figure-grid (min-width:32rem){.tb-figure-grid__items{grid-template-columns:repeat(2,minmax(0,1fr))}.tb-figure-grid[data-count="3"] .tb-figure-grid__items>:first-child{grid-column:1/-1}}.tb-details{border-block:1px solid var(--tb-border)}.tb-details__summary{cursor:pointer;min-block-size:44px;color:var(--tb-ink);justify-content:space-between;align-items:center;gap:.75rem;padding-block:.625rem;font-size:1rem;font-weight:600;line-height:1.5;list-style:none;display:flex}.tb-details__summary::-webkit-details-marker{display:none}.tb-details__chevron{color:var(--tb-ink-2);flex:none;transition:transform .12s cubic-bezier(.2,0,0,1)}.tb-details[open]>.tb-details__summary .tb-details__chevron{transform:rotate(90deg)}.tb-details__body{padding-block:.5rem 1.25rem}@media (forced-colors:active){.tb-steps__item:after{background:canvastext}}.tb-layer-map{container:tb-layer-map/inline-size}.tb-layer-map__tree,.tb-layer__inner,.tb-layer__notes{margin:0;padding:0;list-style:none}.tb-layer{border:1px solid var(--tb-sheet-edge);background:var(--tb-sheet-bg);border-radius:16px;margin-block-start:1.25rem;padding:1.5rem 1.25rem 1.125rem;position:relative}.tb-layer-map__tree>.tb-layer:first-child{margin-block-start:.75rem}.tb-layer[data-depth="2"],.tb-layer[data-depth="4"]{background:var(--tb-surface)}.tb-layer__head{align-items:center;gap:.375rem;margin:0;display:flex;position:absolute;inset-block-start:0;inset-inline-start:1rem;transform:translateY(-50%)}.tb-layer__name{border:1.5px solid var(--tb-accent);background:var(--tb-surface);color:var(--tb-accent);font-family:var(--tb-font-latin);letter-spacing:.01em;border-radius:999px;padding:.0625rem .75rem;font-size:.8125rem;font-weight:700;line-height:1.5}.tb-layer[data-depth="2"]>.tb-layer__head>.tb-layer__name{border-color:var(--tb-accent-soft);background:var(--tb-accent-soft);color:var(--tb-ink)}.tb-layer[data-depth="3"]>.tb-layer__head>.tb-layer__name,.tb-layer[data-depth="4"]>.tb-layer__head>.tb-layer__name{border-color:var(--tb-border);background:var(--tb-surface-sunken);color:var(--tb-ink-2)}.tb-layer__count{border:1px solid var(--tb-border);background:var(--tb-surface);color:var(--tb-ink-2);font-variant-numeric:tabular-nums;border-radius:999px;padding:.0625rem .5rem;font-size:.75rem;font-weight:600;line-height:1.5}.tb-layer__role{color:var(--tb-ink);margin:0;font-size:1.0625rem;font-weight:600;line-height:1.55}.tb-layer__notes{gap:.375rem 1.5rem;margin-block-start:.625rem;display:grid}.tb-layer__note{color:var(--tb-ink-2);grid-template-columns:16px minmax(0,1fr);gap:.5rem;font-size:.9375rem;line-height:1.6;display:grid}.tb-layer__note>.tb-ui-icon{margin-block-start:.2em}.tb-layer__note--avoid .tb-ui-icon{color:var(--tb-stop)}.tb-layer__note--review .tb-ui-icon{color:var(--tb-ink-2)}.tb-layer__note--example .tb-ui-icon{color:var(--tb-accent)}.tb-layer__inner{margin-block-start:.375rem}.tb-layer__meta{color:var(--tb-ink-2);flex-wrap:wrap;align-items:center;gap:.375rem .75rem;margin:.375rem 0 0;font-size:.8125rem;line-height:1.5;display:flex}.tb-layer__marker,.tb-layer__where{align-items:center;gap:.3rem;display:inline-flex}.tb-layer__marker .tb-ui-icon,.tb-layer__where .tb-ui-icon{block-size:14px;inline-size:14px}.tb-layer__marker{background:var(--tb-accent-soft);color:var(--tb-ink);border-radius:999px;padding:.0625rem .5rem;font-weight:600}.tb-layer__marker .tb-ui-icon{color:var(--tb-accent)}.tb-layer[data-optional]{border-style:dashed;border-color:var(--tb-border-strong);background:0 0}.tb-layer__optional{border:1px dashed var(--tb-border-strong);background:var(--tb-surface);color:var(--tb-ink-2);border-radius:999px;padding:.0625rem .5rem;font-size:.75rem;font-weight:600;line-height:1.5}@container tb-layer-map (min-width:40rem){.tb-layer__notes{grid-template-columns:repeat(2,minmax(0,1fr))}.tb-layer{padding-inline:1.5rem}}@container tb-layer-map (max-width:29.999rem){.tb-layer{border-radius:12px;padding:1.375rem .875rem .875rem}.tb-layer__head{inset-inline-start:.75rem}}.tb-bar-compare{container:tb-bars/inline-size}.tb-bar-compare__body{border:1px solid var(--tb-sheet-edge);background:var(--tb-sheet-bg);border-radius:16px;padding:1rem 1.25rem}.tb-bar-compare__rows{gap:.875rem;margin:0;padding:0;list-style:none;display:grid}.tb-bar{grid-template-columns:minmax(7rem,13rem) minmax(0,1fr) minmax(4.5rem,auto);grid-template-areas:"label track value"".note note";align-items:center;gap:.125rem 1rem;display:grid}.tb-bar__label{color:var(--tb-ink);grid-area:label;font-size:.9375rem;font-weight:600;line-height:1.45}.tb-bar__track{background:var(--tb-track);border-radius:999px;grid-area:track;block-size:.875rem;overflow:hidden}.tb-bar__fill{inline-size:calc(var(--tb-bar,0)*100%);border-radius:inherit;background:var(--tb-tone,var(--tb-ink-2));print-color-adjust:exact;block-size:100%;min-inline-size:0;display:block}.tb-bar__value{font-family:var(--tb-font-latin);font-variant-numeric:tabular-nums lining-nums;color:var(--tb-ink);white-space:nowrap;grid-area:value;justify-self:end;font-size:1.0625rem;font-weight:650}.tb-bar__unit{color:var(--tb-ink-2);font-size:.8125rem;font-weight:400}.tb-bar-compare[data-ref] .tb-bar__track{position:relative;overflow:visible}.tb-bar-compare[data-ref] .tb-bar__track:after{content:"";border-inline-start:2px dashed var(--tb-ink);position:absolute;inset-block:-5px;inset-inline-start:calc(var(--tb-ref,0)*100% - 1px)}.tb-bar-compare__ref{border-block-start:1px solid var(--tb-sheet-edge);color:var(--tb-ink-2);flex-wrap:wrap;align-items:center;gap:.25rem .5rem;margin:.875rem 0 0;padding-block-start:.75rem;font-size:.875rem;line-height:1.55;display:flex}.tb-bar-compare__ref-key{border-inline-start:2px dashed var(--tb-ink);flex:none;block-size:1.125rem}.tb-bar__note{color:var(--tb-ink-2);grid-area:note;font-size:.8125rem;line-height:1.5}@container tb-bars (max-width:33.999rem){.tb-bar{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"label value""track track""note note";row-gap:.25rem}.tb-bar-compare__body{padding:.875rem}}.tb-decision-flow{container:tb-decision-flow/inline-size}.tb-decision-flow__asks{margin:0;padding:0;list-style:none}.tb-decision-flow__card{border:1px solid var(--tb-sheet-edge);background:var(--tb-sheet-bg);border-radius:14px;padding:1rem 1.125rem}.tb-decision-flow__from{color:var(--tb-ink-muted);grid-column:1/-1;margin:0 0 .375rem;font-size:.8125rem;line-height:1.5}.tb-decision-flow__from:before{content:"↳ "}.tb-decision-flow__q{color:var(--tb-ink);align-items:flex-start;gap:.75rem;margin:0;font-size:1.0625rem;font-weight:600;line-height:1.55;display:flex}.tb-decision-flow__n{background:var(--tb-badge-bg);block-size:1.75rem;inline-size:1.75rem;color:var(--tb-badge-fg);box-shadow:inset 0 0 0 1.5px var(--tb-badge-ring);font-family:var(--tb-font-latin);border-radius:999px;flex:none;place-items:center;margin-block-start:-.05rem;font-size:.875rem;font-weight:650;line-height:1;display:inline-grid}.tb-decision-flow__branches{gap:.5rem;margin-block-start:.75rem;padding-inline-start:2.5rem;display:grid}.tb-decision-flow__branch{margin:0}.tb-decision-flow__branch--result{border:1px solid var(--tb-border);border-inline-start:3px solid var(--tb-tone);background:var(--tb-surface);border-start-start-radius:0;border-start-end-radius:10px;border-end-end-radius:10px;border-end-start-radius:0;padding:.625rem .875rem .75rem}.tb-decision-flow__branch--ref{color:var(--tb-ink-2);flex-wrap:wrap;align-items:center;gap:.5rem;font-size:.9375rem;display:flex}.tb-decision-flow__branch--ref a{color:var(--tb-link);text-underline-offset:.2em;text-decoration:underline}.tb-decision-flow__verdict{flex-wrap:wrap;align-items:center;gap:.5rem;margin:0;display:flex}.tb-decision-flow__verdict .tb-ui-chip--verdict{font-size:.9375rem}.tb-decision-flow__answer{border:1px solid var(--tb-border-strong);background:var(--tb-surface);color:var(--tb-ink-2);border-radius:999px;padding:0 .5rem;font-size:.8125rem;font-weight:600;line-height:1.6}.tb-decision-flow__arrow:before{content:"→";color:var(--tb-ink-muted)}.tb-decision-flow__why{color:var(--tb-ink-2);margin-block-start:.375rem;font-size:.9375rem;line-height:1.65}.tb-decision-flow__why>:first-child{margin-block-start:0}.tb-decision-flow__why>:last-child{margin-block-end:0}.tb-decision-flow__next{align-items:center;gap:.375rem;margin:0;padding-block:.625rem;padding-inline-start:2.625rem;display:flex;position:relative}.tb-decision-flow__next:before{content:"";border-inline-start:2px solid var(--tb-border-strong);position:absolute;inset-block:0;inset-inline-start:calc(2rem - 1px)}.tb-decision-flow__next:after{content:"↓";color:var(--tb-ink-muted);font-size:.875rem}.tb-decision-flow__step[data-last]+.tb-decision-flow__step{margin-block-start:1rem}@container tb-decision-flow (min-width:44rem){.tb-decision-flow__card{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start;gap:.25rem 1.25rem;display:grid}.tb-decision-flow__branches{margin:0;padding:0}}@container tb-decision-flow (max-width:29.999rem){.tb-decision-flow__branches{padding-inline-start:0}}.tb-name-anatomy{container:tb-name/inline-size}.tb-name-anatomy__name{border:1px solid var(--tb-sheet-edge);background:var(--tb-sheet-bg);overflow-wrap:anywhere;border-radius:12px;margin:0 0 .75rem;padding:.75rem 1rem}.tb-name-anatomy__name code{color:var(--tb-ink);font-family:var(--tb-font-mono);letter-spacing:.02em;background:0 0;padding:0;font-size:1.0625rem;font-weight:600;line-height:1.9}.tb-name-anatomy__part{border-block-end:2px solid var(--tb-seg-edge);-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:4px 4px 0 0;padding:.125rem .25rem}.tb-name-anatomy__sep{color:var(--tb-ink-muted);padding-inline:.0625rem}.tb-name-anatomy [data-tint="0"]{--tb-seg-tint:var(--tb-accent-soft);--tb-seg-edge:var(--tb-accent)}.tb-name-anatomy [data-tint="1"]{--tb-seg-tint:var(--tb-select-fill);--tb-seg-edge:var(--tb-ink-2)}.tb-name-anatomy [data-tint="2"]{--tb-seg-tint:var(--tb-surface-sunken);--tb-seg-edge:var(--tb-border-strong)}.tb-name-anatomy__chip,.tb-name-anatomy__part{background:var(--tb-seg-tint)}.tb-name-anatomy__segs{grid-template-columns:repeat(auto-fill,minmax(min(100%,16rem),1fr));gap:.5rem;margin:0;padding:0;list-style:none;display:grid}.tb-name-anatomy__seg{border:1px solid var(--tb-border);border-inline-start:3px solid var(--tb-seg-edge);background:var(--tb-surface);border-radius:0 10px 10px 0;grid-template-columns:minmax(4.5rem,max-content) minmax(0,1fr);align-items:baseline;gap:.75rem;padding:.5rem .75rem;display:grid}.tb-name-anatomy__chip{color:var(--tb-ink);font-family:var(--tb-font-mono);overflow-wrap:anywhere;border-radius:4px;justify-self:start;padding:.0625rem .375rem;font-size:.875rem;font-weight:650;line-height:1.5}.tb-name-anatomy__means{color:var(--tb-ink-2);font-size:.875rem;line-height:1.55}@container tb-name (max-width:22rem){.tb-name-anatomy__seg{grid-template-columns:minmax(0,1fr);gap:.25rem}}.tb-name-anatomy__related{color:var(--tb-ink-2);flex-wrap:wrap;gap:.25rem 1.25rem;margin:.75rem 0 0;font-size:.875rem;line-height:1.6;display:flex}.tb-name-anatomy__related code{background:var(--tb-surface-sunken);color:var(--tb-ink);font-family:var(--tb-font-mono);border-radius:4px;padding:.0625rem .375rem;font-size:.875em}.tb-figure__schematic{color:var(--tb-ink-2);margin:0 0 .5rem;font-size:.8125rem;line-height:1.5}.tb-figure__svg{border:1px solid var(--tb-figure-edge);background:var(--tb-surface);color:var(--tb-ink);border-radius:12px;padding:1rem}.tb-figure__svg>svg{block-size:auto;max-block-size:36rem;inline-size:100%;display:block}.tb-figure__svg text{font-family:var(--tb-font-text)}.tb-figure__ink{color:var(--tb-ink)}.tb-figure__ink-2{color:var(--tb-ink-2)}.tb-figure__muted{color:var(--tb-ink-muted)}.tb-figure__line{color:var(--tb-border-strong)}.tb-figure__paper{color:var(--tb-surface)}.tb-figure__sunken{color:var(--tb-surface-sunken)}.tb-figure__accent{color:var(--tb-accent)}.tb-figure__accent-soft{color:var(--tb-accent-soft)}.tb-figure__go{color:var(--tb-go)}.tb-figure__go-soft{color:var(--tb-go-soft)}.tb-figure__hold{color:var(--tb-hold)}.tb-figure__hold-soft{color:var(--tb-hold-soft)}.tb-figure__stop{color:var(--tb-stop)}.tb-figure__stop-soft{color:var(--tb-stop-soft)}.tb-steps__path{flex-wrap:wrap;gap:.375rem 1rem;margin:.25rem 0 .5rem;font-size:.8125rem;line-height:1.5;display:flex}.tb-steps__crumb{background:var(--tb-surface-sunken);color:var(--tb-ink-2);border-radius:6px;padding:.0625rem .5rem;font-weight:500;position:relative}.tb-steps__crumb+.tb-steps__crumb:before{content:"›";color:var(--tb-ink-muted);position:absolute;inset-inline-start:-.75rem}.tb-figure--svg{margin-block:2rem}.tb-name-anatomy__relative{white-space:nowrap}@media print{.tb-compare-table__card,.tb-decision-flow__card,.tb-layer,.tb-name-anatomy__seg{background:0 0}.tb-bar__track{border:1px solid var(--tb-border-strong)}}@supports (content-visibility:auto) and (contain-intrinsic-block-size:auto 700px){.tl-article>.tb-source-list{content-visibility:auto;contain-intrinsic-block-size:auto 700px}.tl-article:has(:target)>.tb-source-list,.tl-article>.tb-source-list:focus-within{content-visibility:visible}@media print{.tl-article>.tb-source-list{content-visibility:visible;contain-intrinsic-block-size:none}}}.tb-case-file,.tb-faq-list,.tb-related-lessons,.tb-source-list,.tb-template-download,.tb-term-list,.tb-tool-handoff{color:var(--tb-ink);margin-block:1.5rem}.tb-case-file{--tb-tone:var(--tb-info);--tb-tone-soft:var(--tb-info-soft);border:1px solid var(--tb-border);border-inline-start:4px solid var(--tb-tone);background:linear-gradient(var(--tb-tone-soft),var(--tb-tone-soft)),var(--tb-surface);color:var(--tb-ink);border-radius:.75rem}.tb-faq__a>:first-child,.tb-source__supports>:first-child,.tb-template-download__body>:first-child,.tb-term-def__meaning>:first-child,.tb-tool-handoff__body>:first-child{margin-top:0}.tb-faq__a>:last-child,.tb-source__supports>:last-child,.tb-template-download__body>:last-child,.tb-term-def__meaning>:last-child,.tb-tool-handoff__body>:last-child{margin-bottom:0}.tb-faq-list__items,.tb-related-lessons__items,.tb-source-list__items,.tb-term-list__items{margin:0;padding:0;list-style:none}.tb-faq-list>.tb-ui-title,.tb-related-lessons>.tb-ui-title,.tb-term-list>.tb-ui-title{margin-block-end:.5rem}.tb-case-file{padding:1rem 1.125rem}.tb-case-file__body{flex-wrap:wrap;gap:.75rem;margin-top:.5rem;display:flex}.tb-case-file__body>:not(.tb-fact){flex:100%;min-width:0;margin-block:0}.tb-fact{border:1px solid var(--tb-border);background:var(--tb-surface);min-width:0;color:var(--tb-ink);border-radius:.5rem;flex:10rem;margin:0;padding:.625rem .875rem}.tb-fact__label{letter-spacing:.02em;color:var(--tb-ink-muted);margin:0;font-size:.75rem;font-weight:700}.tb-fact__value{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;margin:.125rem 0 0;font-size:1.125rem;font-weight:700;line-height:1.3}.tb-term-list__items{grid-template-columns:repeat(auto-fill,minmax(min(100%,22rem),1fr));gap:.75rem;display:grid}.tb-term-def{border:1px solid var(--tb-sheet-edge);background:var(--tb-sheet-bg);color:var(--tb-ink);border-radius:14px;align-content:start;gap:.25rem;padding:1rem 1.125rem;display:grid}.tb-term-def__term{margin:0 0 .25rem;font-size:1.0625rem;font-weight:600;line-height:1.5}.tb-term-def__term dfn{align-items:center;gap:.5rem;font-style:normal;display:inline-flex}.tb-term-def__term dfn:before{content:"";background:var(--tb-accent);border-radius:2px;flex:none;block-size:.5rem;inline-size:.5rem;transform:rotate(45deg)}.tb-term-def__meaning{color:var(--tb-ink-2);margin:0;font-size:.9375rem;line-height:1.7}.tb-example,.tb-term-risk,.tb-term-where{margin:.5rem 0 0;font-size:.9375rem;line-height:1.65;display:block}.tb-term-where{--tb-tone:var(--tb-info)}.tb-term-risk{--tb-tone:var(--tb-stop)}.tb-term-risk>.tb-ui-label{vertical-align:bottom;align-items:center;gap:.25rem;display:inline-flex}.tb-example{--tb-tone:var(--tb-ink-2);border-inline-start:3px solid var(--tb-accent);background:var(--tb-surface);color:var(--tb-ink);border-radius:0 8px 8px 0;margin-block-start:.625rem;padding:.5rem .75rem}.tb-example>.tb-ui-label{color:var(--tb-accent)}.tb-term{color:inherit;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;-webkit-text-decoration-color:var(--tb-ink-muted);text-decoration-color:var(--tb-ink-muted);text-underline-offset:.2em;text-decoration-thickness:.1em}a.tb-term:hover{text-decoration-style:solid}.tb-source-list__head{border-block-end:2px solid var(--tb-heavy-rule);color:var(--tb-ink-2);flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.25rem .75rem;padding-block-end:.5rem;font-size:.8125rem;font-weight:600;line-height:1.4;display:flex}.tb-source-list__head time{font-variant-numeric:tabular-nums}.tb-source-list__items{counter-reset:tb-src}.tb-source{border-block-end:1px solid var(--tb-border);min-width:0;color:var(--tb-ink);counter-increment:tb-src;gap:.5rem;padding-block:1rem;display:grid}.tb-source-list--list .tb-source{grid-template-columns:minmax(0,1fr)}.tb-source__head{grid-template-columns:1.75rem minmax(0,1fr);align-content:start;gap:0 .25rem;margin:0;font-size:.9375rem;line-height:1.55;display:grid}.tb-source__head:before{content:counter(tb-src)".";font-variant-numeric:tabular-nums;color:var(--tb-ink-muted);grid-row:1/span 2;font-weight:600}.tb-source__checked,.tb-source__link{grid-column:2}.tb-source__link{color:var(--tb-link);overflow-wrap:anywhere;font-weight:600}a.tb-source__link{text-underline-offset:.2em;text-decoration:underline}.tb-source__checked{font-variant-numeric:tabular-nums;color:var(--tb-ink-muted);font-size:.875rem}.tb-source__supports{padding-inline-start:2rem}.tb-source__supports>.tb-ui-label{color:var(--tb-ink-2)}.tb-source__supports>.tb-ui-label+*{margin-top:.125rem}.tb-source__supports>:not(.tb-ui-label){font-size:.9375rem;line-height:1.6}@container tl-lesson (min-width:48rem){.tb-source-list--boundary .tb-source{grid-template-columns:minmax(0,2fr) minmax(0,3fr);column-gap:1.5rem}.tb-source-list--boundary .tb-source__head{grid-area:1/1/span 2}.tb-source-list--boundary .tb-cannot-prove,.tb-source-list--boundary .tb-source__supports{grid-column:2;padding-inline-start:0}}.tb-cannot-prove{background:var(--tb-surface-sunken);color:var(--tb-ink);border-radius:10px;padding:.875rem 1rem}.tb-cannot-prove>.tb-ui-label{color:var(--tb-ink-2)}.tb-cannot-prove__text{margin:.125rem 0 0;font-size:.9375rem;line-height:1.6}.tb-template-download,.tb-tool-handoff{justify-items:start;gap:.5rem;padding:.875rem 1rem;display:grid}.tb-template-download__head,.tb-tool-handoff__head{flex-wrap:wrap;align-items:center;gap:.25rem .5rem;min-inline-size:0;display:flex}.tb-template-download__label,.tb-tool-handoff__name{color:var(--tb-ink);margin:0;font-size:1rem;font-weight:600;line-height:1.5}.tb-tool-handoff__head .tb-ui-chip{background:var(--tb-surface)}.tb-template-download__meta{color:var(--tb-ink-2);font-size:.8125rem;font-weight:600;line-height:1.4}.tb-template-download__action,.tb-tool-handoff__action{margin:0}.tb-template-download__link,.tb-tool-handoff__link{max-inline-size:100%}.tb-tool-handoff__arrow{transition:transform .12s cubic-bezier(.2,0,0,1)}@media (hover:hover){.tb-tool-handoff__link:hover .tb-tool-handoff__arrow{transform:translate(.2rem)}}.tb-template-download__body,.tb-tool-handoff__body{min-inline-size:0;font-size:.9375rem}.tb-faq-list--qa .tb-faq-list__items{gap:.625rem;display:grid}.tb-faq{border:1px solid var(--tb-sheet-edge);background:var(--tb-sheet-bg);border-radius:14px;padding:.875rem 1.125rem 1rem}.tb-faq,.tb-faq__q{color:var(--tb-ink)}.tb-faq__q{margin:0 0 .375rem;font-size:1.0625rem;font-weight:600;line-height:1.5}.tb-faq__a{margin:0;font-size:1rem;line-height:1.75}.tb-faq__a:lang(en){line-height:1.6}.tb-faq-list--questions .tb-faq-list__items{grid-template-columns:repeat(auto-fill,minmax(min(100%,22rem),1fr));gap:.5rem;display:grid}.tb-faq-list--questions .tb-faq{background:0 0;border:0;padding:0}.tb-faq-list--questions .tb-faq>:is(a,span){border:1px solid var(--tb-sheet-edge);background:var(--tb-sheet-bg);block-size:100%;min-block-size:44px;color:var(--tb-ink);border-radius:12px;align-items:center;padding:.625rem 2.25rem .625rem .875rem;font-size:.9375rem;font-weight:500;line-height:1.55;display:flex;position:relative}.tb-faq-list--questions .tb-faq>a{text-decoration:none}.tb-faq-list--questions .tb-faq>a:after{content:"↓";color:var(--tb-accent);font-weight:600;position:absolute;inset-inline-end:.875rem}.tb-faq-list--questions .tb-faq>a:hover{border-color:var(--tb-border-strong)}.tb-related-lessons__items{gap:.75rem;display:grid}.tb-related-lessons .tl-link{border:1px solid var(--tb-border);color:var(--tb-ink);border-radius:6px;gap:4px;padding:1rem;display:grid}.tb-related-lessons .tl-link__top{flex-wrap:wrap;align-items:center;gap:6px 10px;display:flex}.tb-related-lessons .tl-link__title{color:var(--tb-link);font-size:1rem;font-weight:600;line-height:1.5}.tb-related-lessons a.tl-link__title{text-underline-offset:.2em;text-decoration:underline}.tb-related-lessons .tl-link__time{font-variant-numeric:tabular-nums;color:var(--tb-ink-muted);font-size:.8125rem}.tb-related-lessons .tl-link__reason{font-size:.9375rem;line-height:1.6}.tb-related-lessons .tl-link__reason>p{margin:0}@media (hover:hover){.tb-related-lessons a.tl-link__title:hover{color:var(--tb-action-hover)}}@media print{.tb-faq,.tb-faq-list--questions .tb-faq>:is(a,span),.tb-term-def{background:0 0}}}@layer components.tb-shell;@layer components.tb-states{:where(.tl-lesson,.tl-overlay,.tutorial-mdx-body) :focus-visible{outline:2px solid var(--tb-focus);outline-offset:2px}.tb-ui-option:has(:focus-visible){outline:2px solid var(--tb-focus);outline-offset:-2px;border-radius:6px}.tb-ui-option input:focus-visible{outline:none}@media (hover:hover){.tb-ui-choice:hover,.tb-ui-option:hover{background-color:var(--tb-surface-sunken)}.tb-ui-option:hover :is(input[type=radio],input[type=checkbox]):not(:checked){border-color:var(--tb-ink-2)}.tb-ui-btn--primary:enabled:hover{background-color:var(--tb-action-hover)}.tb-ui-btn--secondary:enabled:hover{background-color:var(--tb-surface-sunken)}.tb-ui-btn--quiet:enabled:hover{text-decoration-color:currentColor}.tb-ui-btn--danger:enabled:hover{text-underline-offset:.2em;text-decoration:underline}.tb-ui-tab:hover{color:var(--tb-ink)}.tb-ui-choice:not([aria-pressed=true]):hover{border-color:var(--tb-border-strong)}}.tb-ui-choice:enabled:active{transform:scale(.985)}.tb-ui-option :is(input[type=radio],input[type=checkbox]):checked{animation:tb-pop .2s cubic-bezier(.2,0,0,1)}.tb-ui-choice[aria-pressed=true] .tb-ui-choice__mark{animation:tb-ring .32s cubic-bezier(.2,0,0,1)}.tb-ui-chip[data-state=done],.tb-ui-persist[data-state=saved] .tb-ui-persist__glyph,.tb-ui-sheet__head .tb-ui-chip[data-tone=go]{animation:tb-pop .32s cubic-bezier(.2,0,0,1)}.tb-ui-control:focus{border-color:var(--tb-focus)}.tb-calc-preset[aria-pressed=true],.tb-calc-preset[aria-pressed=true]:enabled:hover,.tb-ui-choice[aria-pressed=true]{border-color:var(--tb-select);background-color:var(--tb-select-fill);box-shadow:inset 0 0 0 1px var(--tb-select)}.tb-ui-choice[aria-pressed=true]{font-weight:600}.tb-ui-choice[aria-pressed=true] .tb-ui-choice__mark{border-color:var(--tb-select);background:var(--tb-select);color:var(--tb-select-glyph)}.tb-ui-tab[aria-selected=true]{border-block-end-color:var(--tb-select);color:var(--tb-ink);font-weight:600}.tb-ui-option:has(input:checked),.tb-ui-option[data-checked=true]{background-color:var(--tb-select-fill);box-shadow:inset 3px 0 0 var(--tb-select);font-weight:600}.tb-ui-option input[type=radio]:checked{border-color:var(--tb-select);background-color:var(--tb-select);box-shadow:inset 0 0 0 3.5px var(--tb-select-fill)}.tb-ui-option input[type=checkbox]:checked{border-color:var(--tb-select);background-color:var(--tb-select);background-image:var(--tb-check-glyph)}.tb-ui-chip[data-tone]{background:var(--tb-tone-soft);color:var(--tb-tone)}.tb-ui-chip[data-state=done]{color:var(--tb-ink)}.tb-ui-control[aria-invalid=true]{border-color:var(--tb-hold);box-shadow:inset 0 0 0 1px var(--tb-hold)}.tb-ui-btn:disabled,.tb-ui-btn[aria-disabled=true]{border:1px dashed var(--tb-border-strong);background:var(--tb-surface-sunken);color:var(--tb-ink-muted);cursor:not-allowed;text-decoration:none}.tb-ui-persist[data-state=dirty] .tb-ui-persist__line{color:var(--tb-hold)}.tb-ui-persist[data-state=saved] .tb-ui-persist__line{color:var(--tb-go)}.tb-ui-persist[data-state=found] .tb-ui-persist__line,.tb-ui-persist[data-state=legacy] .tb-ui-persist__line{color:var(--tb-info)}.tb-ui-persist[data-state=too-large] .tb-ui-persist__line,.tb-ui-persist[data-state=unavailable] .tb-ui-persist__line{color:var(--tb-stop)}@container tb-sheet (min-width:40rem){.tb-ui-persist[data-stuck=true]>.tb-ui-persist__row{z-index:1;background:var(--tb-surface);border-block-start:1px solid var(--tb-border);position:sticky;inset-block-end:0}}@media (forced-colors:active){.tb-calc-preset[aria-pressed=true],.tb-ui-choice[aria-pressed=true],.tb-ui-option:has(input:checked),.tb-ui-option[data-checked=true]{border-color:highlight;box-shadow:inset 0 0 0 2px highlight}.tb-ui-choice[aria-pressed=true]{border-width:3px;padding-block:calc(.75rem - 2px);padding-inline:calc(1rem - 2px) calc(2.75rem - 2px)}.tb-ui-choice[aria-pressed=true] .tb-ui-choice__mark{inset-block-start:calc(.75rem - 2px);inset-inline-end:calc(.875rem - 2px)}.tb-calc-preset[aria-pressed=true]{border-width:3px;padding-inline:calc(1rem - 2px)}.tb-ui-choice__mark{forced-color-adjust:none}.tb-ui-choice[aria-pressed=true] .tb-ui-choice__mark{color:highlighttext;background:highlight}.tb-ui-tab[aria-selected=true]{border-block-end-color:highlight}:where(.tl-lesson,.tl-overlay,.tutorial-mdx-body) :focus-visible{outline-color:canvastext}.tb-callout,.tb-cannot-prove,.tb-case-file,.tb-step-note,.tb-stop-go__half,.tb-ui-feedback__box{border-inline-start-color:canvastext}:where(.tl-lesson,.tl-overlay,.tutorial-mdx-body) button:disabled{color:graytext}.tb-ui-option :is(input[type=radio],input[type=checkbox]){appearance:auto}}@media (prefers-reduced-motion:reduce){:where(.tl-lesson,.tl-overlay,.tutorial-mdx-body) *,:where(.tl-lesson,.tl-overlay,.tutorial-mdx-body) :after,:where(.tl-lesson,.tl-overlay,.tutorial-mdx-body) :before{scroll-behavior:auto!important;transition-property:opacity,visibility!important;transition-duration:.1s!important;animation:none!important}}@media print{.tb-ui-feedback__actions,.tb-ui-persist__more,.tb-ui-persist__row .tb-ui-actions{display:none}.tb-ui-sheet{break-inside:avoid}}}