/* Instruction 31 — public pages: /about/, /help/, /help/{article}/, /privacy-policy/, /practice/.
   Built on the shared ui.css tokens; loaded only on these routes. */

.td-pub{display:grid;gap:clamp(28px,4vw,44px);color:var(--td-text);min-width:0}
.td-pub>*{min-width:0}
.td-pub a:not(.td-btn){color:var(--td-link)}
.td-pub p>a:not(.td-btn),.td-pp-body p a:not(.td-btn),.td-pp-body li a:not(.td-btn){text-decoration:underline;text-underline-offset:2px}
.td-pub .td-eyebrow{color:var(--td-brand-700);letter-spacing:.12em}
.td-pub h2{margin:0 0 12px;font-size:clamp(20px,2.2vw,24px);line-height:1.4;color:var(--td-text-strong)}
.td-pub h3{margin:0;font-size:16px;line-height:1.45;color:var(--td-text-strong)}
.td-pub p{margin:0;font-size:15px;line-height:1.75;color:var(--td-text-muted)}
.td-pub p+p{margin-top:10px}
.td-pub .td-icon-tile{display:inline-grid;place-items:center;flex:0 0 auto;width:40px;height:40px;border-radius:10px;background:var(--td-secondary);color:var(--td-secondary-ink)}
.td-pub .td-icon-tile .td-icon{width:20px;height:20px}
.td-pub-lead{max-width:68ch;font-size:16px!important;color:var(--td-text)!important}
.td-pub-text{max-width:80ch}
.td-pub-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:18px}
.td-pub-actions .td-btn{gap:8px}
.td-pub-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;text-decoration:none}
.td-pub-more:hover span{text-decoration:underline}
.td-pub-more .td-icon{width:16px;height:16px}
.td-pub-subhead{margin-top:16px!important;margin-bottom:6px!important}

/* Breadcrumb */
.td-crumbs{margin:-6px 0 -14px;font-size:13px}
.td-crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px;margin:0;padding:0;list-style:none}
.td-crumbs li{display:inline-flex;align-items:center;gap:6px;color:var(--td-text-muted);min-width:0}
.td-crumbs li+li::before{content:"";width:6px;height:6px;border-top:1.5px solid var(--td-gray-400,#94A3B8);border-right:1.5px solid var(--td-gray-400,#94A3B8);transform:rotate(45deg);margin-right:2px}
.td-crumbs a{color:var(--td-link);text-decoration:none}
.td-crumbs a:hover{text-decoration:underline}
.td-crumbs [aria-current]{color:var(--td-text);font-weight:600;overflow-wrap:anywhere}

/* Hero */
.td-pub-hero{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);align-items:center;gap:clamp(20px,4vw,48px);padding:clamp(20px,3vw,36px);border:1px solid var(--td-border);border-radius:var(--td-radius-xl);background:linear-gradient(135deg,#fff 0%,#fff 55%,var(--td-brand-50) 100%)}
.td-pub-hero h1{margin:6px 0 12px;font-size:clamp(26px,3.4vw,40px);line-height:1.35;color:var(--td-text-strong)}
.td-pub-hero__art img{display:block;width:100%;max-width:400px;height:auto;margin-inline:auto}

/* Generic layouts */
.td-pub-section{scroll-margin-top:calc(var(--td-header-h,72px) + 16px)}
.td-pub-section:focus{outline:none}
.td-pub-section__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:8px 20px;margin-bottom:14px}
.td-pub-section__head h2{margin-bottom:4px}
.td-pub-split{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:clamp(18px,3vw,40px);align-items:start}
.td-pub-cards{display:grid;gap:14px}
.td-pub-cards--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.td-pub-cards--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.td-pub-cards--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.td-pub-card{display:grid;align-content:start;gap:8px;padding:18px;border:1px solid var(--td-border);border-radius:var(--td-radius-lg);background:#fff;min-width:0}
.td-pub-card p{font-size:14px;line-height:1.65}
.td-pub-card .td-pub-more{margin-top:auto;padding-top:4px}
.td-pub-card--flat{background:var(--td-surface,#F8FAFC)}
.td-pub-card--lg{padding:22px;gap:10px}
.td-pub-card--lg .td-btn{justify-self:start;gap:8px;margin-top:4px}
.td-pub-checks{display:grid;gap:10px;margin:0;padding:18px;list-style:none;border:1px solid var(--td-border);border-radius:var(--td-radius-lg);background:var(--td-surface,#F8FAFC)}
.td-pub-checks li{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--td-text-strong)}
.td-pub-checks .td-icon{flex:0 0 auto;width:18px;height:18px;color:var(--td-success-600)}
.td-pub-feature{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:clamp(16px,3vw,36px);padding:clamp(18px,3vw,28px);border:1px solid var(--td-border);border-radius:var(--td-radius-xl);background:#fff}
.td-pub-feature--soft{background:var(--td-brand-50)}
.td-pub-feature__art .td-illustration{display:block;width:clamp(120px,18vw,220px);height:auto}
.td-pub-note{display:flex!important;gap:8px;align-items:flex-start;margin-top:12px!important;padding:10px 12px;border-radius:var(--td-radius);background:var(--td-warning-50);border:1px solid var(--td-warning-300);color:var(--td-warning-700)!important;font-size:14px!important}
.td-pub-note .td-icon{flex:0 0 auto;width:18px;height:18px;margin-top:3px}
.td-pub-mission{padding:clamp(18px,3vw,28px);border-radius:var(--td-radius-xl);background:var(--td-secondary);text-align:center}
.td-pub-mission p{max-width:70ch;margin-inline:auto;font-size:16px;color:var(--td-text)!important}

/* About: learning flow */
.td-pub-flow{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin:0 0 14px;padding:0;list-style:none}
.td-pub-flow li{position:relative;display:grid;justify-items:center;gap:6px;padding:16px 10px;border:1px solid var(--td-border);border-radius:var(--td-radius-lg);background:#fff;text-align:center}
.td-pub-flow li:not(:last-child)::after{content:"";position:absolute;right:-11px;top:50%;width:8px;height:8px;border-top:2px solid var(--td-brand-500);border-right:2px solid var(--td-brand-500);transform:translateY(-50%) rotate(45deg);z-index:1}
.td-pub-flow__icon{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--td-secondary);color:var(--td-secondary-ink)}
.td-pub-flow__icon .td-icon{width:22px;height:22px}
.td-pub-flow li:last-child .td-pub-flow__icon{background:var(--td-success-100);color:var(--td-success-700)}
.td-pub-flow__n{font-size:12px;font-weight:700;color:var(--td-text-muted)}
.td-pub-flow__label{font-weight:700;font-size:14px;line-height:1.35;color:var(--td-text-strong)}

/* About: taxonomy chain */
.td-pub-chain{display:flex;flex-wrap:wrap;gap:10px 22px;margin:0 0 14px;padding:0;list-style:none;counter-reset:chain}
.td-pub-chain li{position:relative;display:grid;gap:2px;padding:10px 14px;border:1px solid var(--td-brand-200);border-radius:var(--td-radius);background:var(--td-brand-50);min-width:120px}
.td-pub-chain li:not(:last-child)::after{content:"→";position:absolute;right:-18px;top:50%;transform:translateY(-50%);color:var(--td-brand-700);font-weight:700}
.td-pub-chain strong{color:var(--td-secondary-ink);font-size:14px}
.td-pub-chain span{font-size:12px;color:var(--td-text-muted)}

/* Visible Q&A */
.td-pub-qa{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.td-pub-qa__item{padding:16px 18px;border:1px solid var(--td-border);border-radius:var(--td-radius-lg);background:#fff}
.td-pub-qa__item h3{margin-bottom:6px}
.td-pub-qa__item p{font-size:14px}

/* Final CTA band */
.td-pub-final{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;border-radius:var(--td-radius-xl);background:var(--td-secondary)}
.td-pub-final>div:first-child{flex:1 1 320px;min-width:0}
.td-pub-final h2{margin:0 0 4px;font-size:20px}
.td-pub-final p{color:var(--td-text)!important}
.td-pub-final__links{display:flex;flex-wrap:wrap;gap:8px}
.td-pub-final .td-btn{gap:8px}

/* Comparison tables */
.td-pub-compare-wrap{margin-top:16px;border:1px solid var(--td-border);border-radius:var(--td-radius-lg);background:#fff}
.td-pub-compare{width:100%;border-collapse:collapse;font-size:14px}
.td-pub-compare caption{padding:12px 16px 0;text-align:left;font-weight:700;color:var(--td-text-strong)}
.td-pub-compare th,.td-pub-compare td{padding:12px 16px;border-bottom:1px solid var(--td-border);text-align:left;vertical-align:top;line-height:1.55}
.td-pub-compare thead th{background:var(--td-surface,#F8FAFC);color:var(--td-text-strong);font-weight:700}
.td-pub-compare tbody th{color:var(--td-text-strong);font-weight:600;width:22%}
.td-pub-compare tr:last-child>*{border-bottom:0}

/* Practice hub */
.td-pub-cta-wide{gap:8px}
@keyframes td-pub-spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.td-help-search__spin .td-icon{animation:none}}
.td-practice-cat__head{display:flex;gap:12px;align-items:center}
.td-practice-cat__count{margin:2px 0 0!important;font-size:13px!important;font-weight:600;color:var(--td-success-700)!important}
.td-practice-cat__label{margin-top:4px!important;font-size:12px!important;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.td-practice-cat .td-setting__chips{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}
.td-pub-tree,.td-pub-tree ol{margin:0;padding:0;list-style:none}
.td-pub-tree{padding:16px;border:1px solid var(--td-border);border-radius:var(--td-radius-lg);background:var(--td-surface,#F8FAFC)}
.td-pub-tree li{display:grid;gap:2px;padding:8px 0 0 0}
.td-pub-tree ol{margin-left:14px;padding-left:16px;border-left:2px dashed var(--td-brand-200)}
.td-pub-tree span:not(.td-pub-tree__k){font-size:13px;color:var(--td-text-muted)}
.td-pub-tree__k{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--td-text-strong)}
.td-pub-tree__k .td-icon{width:18px;height:18px;color:var(--td-brand-700)}
.td-diff__badge{justify-self:start;padding:4px 10px;border-radius:999px;font-weight:700;font-size:13px}
.td-diff--easy .td-diff__badge{background:var(--td-success-100);color:var(--td-success-700)}
.td-diff--medium .td-diff__badge{background:var(--td-warning-100);color:var(--td-warning-700)}
.td-diff--hard .td-diff__badge{background:var(--td-danger-100);color:var(--td-danger-700)}
.td-pub-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:0;padding:0;list-style:none}
.td-pub-steps li{position:relative;display:grid;align-content:start;gap:8px;padding:18px;border:1px solid var(--td-border);border-radius:var(--td-radius-lg);background:#fff}
.td-pub-steps__n{position:absolute;top:14px;right:14px;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--td-secondary);color:var(--td-secondary-ink);font-weight:700;font-size:13px}
.td-pub-steps p{font-size:14px}
.td-pub-mini{gap:6px}
.td-pub-mini .td-badge{justify-self:start}
.td-pub-mini h3 a{color:var(--td-text-strong)!important;text-decoration:none}
.td-pub-mini h3 a:hover{color:var(--td-link)!important;text-decoration:underline}
.td-pub-mini__meta{display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px;font-size:13px!important}
.td-pub-mini__meta .td-icon{width:15px;height:15px}
.td-pub-person{grid-template-columns:auto minmax(0,1fr);align-items:center;gap:12px}
.td-pub-person__avatar img{display:block;width:56px;height:56px;border-radius:50%;object-fit:cover}
.td-pub-person h3 a{color:var(--td-text-strong)!important;text-decoration:none}
.td-pub-person h3 a:hover{text-decoration:underline}
.td-pub-person p{font-size:13px}
.td-pub-emptyline{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:14px 16px;border:1px dashed var(--td-border);border-radius:var(--td-radius-lg);background:var(--td-surface,#F8FAFC);color:var(--td-text)}
.td-pub-emptyline>span{flex:1 1 240px}
.td-pub-emptyline>.td-icon{width:20px;height:20px;color:var(--td-brand-700)}
.td-pub-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:8px;margin:0;padding:0;list-style:none}
.td-pub-links a{display:flex;align-items:center;gap:10px;height:100%;box-sizing:border-box;padding:12px 14px;font-size:15px;line-height:1.5;border:1px solid var(--td-border);border-radius:var(--td-radius);background:#fff;font-weight:600;text-decoration:none}
.td-pub-links a:hover{border-color:var(--td-brand-300);background:var(--td-brand-50)}
.td-pub-links .td-icon{flex:0 0 auto;width:18px;height:18px}

/* Help Center */
.td-help-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;padding:clamp(20px,3vw,32px);border-radius:var(--td-radius-xl);background:linear-gradient(135deg,var(--td-brand-50),#fff 70%);border:1px solid var(--td-border)}
.td-help-hero h1{margin:0 0 8px;font-size:clamp(26px,3.2vw,38px);line-height:1.35;color:var(--td-text-strong)}
.td-help-hero__art img{display:block;width:clamp(140px,18vw,220px);height:auto}
.td-help-search{margin-top:18px;max-width:720px}
.td-help-search__label{display:block;margin-bottom:6px;font-weight:700;color:var(--td-text-strong)}
.td-help-search__box{position:relative;display:flex;align-items:center;gap:8px;padding:6px 8px 6px 14px;border:1.5px solid var(--td-brand-300);border-radius:14px;background:#fff;box-shadow:0 4px 14px rgba(7,142,215,.08)}
.td-help-search__box:focus-within{border-color:var(--td-brand-700);box-shadow:0 0 0 3px rgba(25,170,248,.25)}
.td-help-search__box>.td-icon{flex:0 0 auto;width:20px;height:20px;color:var(--td-text-muted)}
.td-help-search__box input[type=search]{flex:1;width:auto;min-width:0;min-height:44px;margin:0;padding:0 4px;border:0!important;outline:0!important;box-shadow:none!important;background:transparent!important;font:inherit;font-size:16px;color:var(--td-text-strong);-webkit-appearance:none;appearance:none}
.td-help-search__box input::-webkit-search-cancel-button{display:none}
.td-help-search__spin .td-icon{width:18px;height:18px;color:var(--td-brand-700);animation:td-pub-spin 1s linear infinite}
.td-help-search__clear{display:grid;place-items:center;width:36px;height:36px;border:0;border-radius:8px;background:transparent;color:var(--td-text-muted);cursor:pointer}
.td-help-search__clear:hover{background:var(--td-gray-100)}
.td-help-search__clear:focus-visible{outline:2px solid var(--td-brand-700);outline-offset:1px}
.td-help-search__clear[hidden],.td-help-search__spin[hidden],.td-help-search__submit[hidden]{display:none}
.td-help-quick{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;margin-top:14px;font-size:13px}
.td-help-quick[hidden]{display:none}
.td-help-quick>span{font-weight:600;color:var(--td-text-muted)}
.td-help-quick a{padding:5px 10px;border-radius:999px;border:1px solid var(--td-brand-200);background:#fff;text-decoration:none;font-weight:600}
.td-help-quick a:hover{background:var(--td-brand-50)}
.td-help-results[hidden]{display:none}
.td-help-results__status{margin-bottom:10px!important;font-weight:600;color:var(--td-text)!important}
.td-help-results__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none}
.td-help-result{display:grid;gap:4px;height:100%;box-sizing:border-box;padding:14px 16px;border:1px solid var(--td-border);border-radius:var(--td-radius-lg);background:#fff;text-decoration:none}
.td-help-result:hover,.td-help-result:focus-visible{border-color:var(--td-brand-300);background:var(--td-brand-50)}
.td-help-result__cat{font-size:12px;font-weight:700;letter-spacing:.03em;color:var(--td-secondary-ink)}
.td-help-result__title{font-weight:700;color:var(--td-text-strong)}
.td-help-result__summary{font-size:14px;line-height:1.6;color:var(--td-text-muted)}
.td-help-empty{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;padding:20px;border:1px dashed var(--td-border);border-radius:var(--td-radius-lg);background:#fff}
.td-help-empty[hidden]{display:none}
.td-help-empty img{width:140px;height:auto}
.td-help-empty>div{flex:1 1 280px}
.td-help-empty .td-pub-actions{margin-top:12px}
.td-help-cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,330px),1fr));gap:14px}
.td-help-cat{display:grid;align-content:start;gap:12px;padding:18px;border:1px solid var(--td-border);border-radius:var(--td-radius-lg);background:#fff}
.td-help-cat__head{display:flex;gap:12px;align-items:flex-start}
.td-help-cat__head h3{margin-bottom:2px}
.td-help-cat__head p{font-size:13px;line-height:1.6}
.td-help-cat__links{display:grid;gap:2px;margin:0;padding:0;list-style:none}
.td-help-cat__links a{display:block;padding:7px 8px;border-radius:8px;font-size:14px;line-height:1.5;text-decoration:none}
.td-help-cat__links a:hover{background:var(--td-brand-50);text-decoration:underline}
.td-help-cat__more summary{display:inline-flex;align-items:center;gap:6px;padding:6px 8px;border-radius:8px;font-weight:700;font-size:14px;color:var(--td-link);cursor:pointer;list-style:none}
.td-help-cat__more summary::-webkit-details-marker{display:none}
.td-help-cat__more summary:hover{background:var(--td-brand-50)}
.td-help-cat__more summary .td-icon{width:16px;height:16px;transition:transform .15s}
.td-help-cat__more[open] summary .td-icon{transform:rotate(180deg)}
.td-pub-final.td-help-escalate{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center}
.td-help-escalate>div:first-child{flex:none}
.td-help-escalate__art img{display:block;width:96px;height:auto}
#hc-categories{scroll-margin-top:calc(var(--td-header-h,72px) + 16px)}
#hc-categories:focus{outline:none}

/* Help article */
.td-help-article__grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(20px,3vw,36px);align-items:start}
.td-help-article__main{display:grid;gap:22px;min-width:0}
.td-help-article__main h1{margin:0;font-size:clamp(24px,3vw,34px);line-height:1.4;color:var(--td-text-strong)}
.td-help-article__cat{display:inline-flex;align-items:center;gap:6px;justify-self:start;padding:4px 10px;border-radius:999px;background:var(--td-secondary);color:var(--td-secondary-ink)!important;font-size:13px;font-weight:700;text-decoration:none}
.td-help-article__cat .td-icon{width:16px;height:16px}
.td-help-answer{padding:16px 18px;border-left:4px solid var(--td-brand-500);border-radius:var(--td-radius);background:var(--td-brand-50)}
.td-help-answer p{font-size:16px!important;color:var(--td-text-strong)!important}
.td-help-answer__label{display:flex!important;align-items:center;gap:6px;margin-bottom:4px!important;font-size:13px!important;font-weight:700;color:var(--td-secondary-ink)!important}
.td-help-answer__label .td-icon{width:16px;height:16px}
.td-help-steps{display:grid;gap:10px;margin:0;padding:0;list-style:none;counter-reset:step}
.td-help-steps li{position:relative;padding:12px 14px 12px 52px;border:1px solid var(--td-border);border-radius:var(--td-radius);background:#fff;line-height:1.7;counter-increment:step}
.td-help-steps li::before{content:counter(step);position:absolute;left:12px;top:11px;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--td-secondary);color:var(--td-secondary-ink);font-weight:700;font-size:14px}
.td-help-notes{padding:16px 18px;border:1px solid var(--td-warning-300);border-radius:var(--td-radius-lg);background:var(--td-warning-50)}
.td-help-notes h2{display:flex;align-items:center;gap:8px;font-size:17px!important;margin-bottom:8px!important;color:var(--td-warning-700)!important}
.td-help-notes h2 .td-icon{width:18px;height:18px}
.td-help-notes ul{display:grid;gap:6px;margin:0;padding-left:20px}
.td-help-notes li{line-height:1.7;color:var(--td-text)}
.td-help-action .td-btn{gap:8px}
.td-help-related ul{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:8px;margin:0;padding:0;list-style:none}
.td-help-related a{display:flex;align-items:center;gap:10px;height:100%;box-sizing:border-box;padding:12px 14px;font-size:15px;line-height:1.5;border:1px solid var(--td-border);border-radius:var(--td-radius);background:#fff;font-weight:600;text-decoration:none}
.td-help-related a:hover{border-color:var(--td-brand-300);background:var(--td-brand-50)}
.td-help-related .td-icon{flex:0 0 auto;width:18px;height:18px;color:var(--td-brand-700)}
.td-help-article__side{position:sticky;top:calc(var(--td-header-h,72px) + 16px);display:grid;gap:10px;padding:16px;border:1px solid var(--td-border);border-radius:var(--td-radius-lg);background:var(--td-surface,#F8FAFC)}
.td-help-article__side h2{margin:0!important;font-size:15px!important}
.td-help-article__side ul{display:grid;gap:2px;margin:0;padding:0;list-style:none}
.td-help-article__side li>*{display:block;padding:6px 8px;border-radius:8px;font-size:14px;line-height:1.5;text-decoration:none}
.td-help-article__side a:hover{background:#fff;text-decoration:underline}
.td-help-article__side [aria-current]{background:#fff;font-weight:700;color:var(--td-text-strong);box-shadow:inset 3px 0 0 var(--td-brand-500)}

/* Privacy Policy */
.td-pp-head{display:flex;align-items:center;justify-content:space-between;gap:24px}
.td-pp-head h1{margin:0 0 6px;font-size:clamp(26px,3.2vw,38px);line-height:1.35;color:var(--td-text-strong)}
.td-pp-head__art{flex:0 0 auto;width:clamp(120px,16vw,200px);height:auto}
.td-pp-updated{display:inline-flex!important;align-items:center;gap:6px;margin-bottom:12px!important;padding:4px 10px;border-radius:999px;background:var(--td-surface,#F8FAFC);border:1px solid var(--td-border);font-size:13px!important;font-weight:600;color:var(--td-text)!important}
.td-pp-updated .td-icon{width:15px;height:15px}
.td-pp-summary{padding:18px 20px;border-radius:var(--td-radius-xl);background:var(--td-brand-50);border:1px solid var(--td-brand-200)}
.td-pp-summary h2{font-size:18px!important}
.td-pp-summary ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 20px;margin:0;padding:0;list-style:none}
.td-pp-summary li{display:flex;gap:10px;align-items:flex-start;line-height:1.65;color:var(--td-text)}
.td-pp-summary .td-icon{flex:0 0 auto;width:18px;height:18px;margin-top:4px;color:var(--td-brand-700)}
.td-pp-grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:clamp(20px,3vw,40px);align-items:start}
.td-pp-toc{position:sticky;top:calc(var(--td-header-h,72px) + 16px);max-height:calc(100vh - var(--td-header-h,72px) - 32px);overflow:auto;padding:14px;border:1px solid var(--td-border);border-radius:var(--td-radius-lg);background:#fff}
.td-pp-toc h2{font-size:14px!important;margin-bottom:8px!important;letter-spacing:.04em;text-transform:uppercase;color:var(--td-text-muted)!important}
.td-pp-toc ol{margin:0;padding-left:22px;display:grid;gap:2px}
.td-pp-toc li{font-size:14px;line-height:1.5}
.td-pp-toc a{display:block;padding:3px 4px;border-radius:6px;text-decoration:none}
.td-pp-toc a:hover{background:var(--td-brand-50);text-decoration:underline}
.td-pp-body{display:grid;gap:30px;max-width:78ch;min-width:0}
.td-pp-body section{scroll-margin-top:calc(var(--td-header-h,72px) + 16px)}
.td-pp-body h2{display:flex;gap:8px;padding-bottom:8px;border-bottom:1px solid var(--td-border)}
.td-pp-body h2:target{color:var(--td-brand-700)}
.td-pp-n{color:var(--td-brand-700)}
.td-pp-body h3{margin:14px 0 6px!important}
.td-pp-body ul{display:grid;gap:8px;margin:10px 0 0;padding-left:22px}
.td-pp-body li{line-height:1.75;color:var(--td-text)}
.td-pp-body p{color:var(--td-text)!important}
.td-pp-body ul+p,.td-pp-body .td-table-wrap+p{margin-top:12px}
.td-pp-cols{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:28px}
.td-pp-callout{display:flex!important;gap:10px;align-items:flex-start;margin-top:12px!important;padding:12px 14px;border-radius:var(--td-radius);background:var(--td-brand-50);border-left:4px solid var(--td-brand-500)}
.td-pp-callout .td-icon{flex:0 0 auto;width:18px;height:18px;margin-top:4px;color:var(--td-brand-700)}
.td-pp-table{width:100%;border-collapse:collapse;font-size:14px;border:1px solid var(--td-border)}
.td-pp-table th,.td-pp-table td{padding:10px 12px;border-bottom:1px solid var(--td-border);text-align:left;vertical-align:top;line-height:1.6}
.td-pp-table thead th{background:var(--td-surface,#F8FAFC)}
.td-pp-table tbody th{width:30%;font-weight:600;color:var(--td-text-strong)}

/* Focus visibility */
.td-pub a:focus-visible,.td-pub summary:focus-visible,.td-pub button:focus-visible{outline:2px solid var(--td-brand-700);outline-offset:2px;border-radius:6px}

/* Responsive */
@media (max-width:1100px){
  .td-pub-flow{grid-template-columns:repeat(3,minmax(0,1fr))}
  .td-pub-flow li:nth-child(3)::after{display:none}
  .td-pub-cards--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .td-pub-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .td-pub-cards--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .td-help-article__grid{grid-template-columns:1fr}
  .td-help-article__side{position:static}
  .td-pp-grid{grid-template-columns:1fr}
  .td-pp-toc{position:static;max-height:none}
  .td-pp-toc ol{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px}
}
@media (max-width:760px){
  .td-crumbs{margin-bottom:-18px}
  .td-pub-hero{grid-template-columns:1fr;padding:18px}
  .td-pub-hero__art{order:-1}
  .td-pub-hero__art img{max-width:220px}
  .td-pub-actions .td-btn{flex:1 1 auto}
  .td-pub-cta-wide{width:100%}
  .td-pub-split,.td-pub-cards--2,.td-pub-cards--3,.td-pub-cards--4,.td-pub-qa,.td-help-results__list,.td-pp-summary ul,.td-pp-cols{grid-template-columns:1fr}
  .td-pub-feature{grid-template-columns:1fr;text-align:left}
  .td-pub-feature__art .td-illustration{width:140px}
  .td-pub-flow{grid-template-columns:1fr;gap:8px}
  .td-pub-flow li{grid-template-columns:auto auto 1fr;justify-items:start;align-items:center;gap:12px;padding:10px 14px;text-align:left}
  .td-pub-flow__icon{width:36px;height:36px}
  .td-pub-flow li:not(:last-child)::after{display:block;right:auto;left:31px;top:auto;bottom:-8px;transform:rotate(135deg)}
  .td-pub-flow li:nth-child(3)::after{display:block}
  .td-pub-chain{flex-direction:column;gap:14px}
  .td-pub-chain li{min-width:0}
  .td-pub-chain li:not(:last-child)::after{content:"↓";right:auto;left:18px;top:auto;bottom:-17px;transform:none}
  .td-pub-steps{grid-template-columns:1fr}
  .td-help-hero{grid-template-columns:1fr}
  .td-help-hero__art{display:none}
  .td-pub-final.td-help-escalate{grid-template-columns:1fr}
  .td-help-escalate__art{display:none}
  .td-pub-final .td-btn,.td-pub-final__links{width:100%}
  .td-pub-final__links .td-btn{flex:1 1 100%}
  .td-pp-head__art{display:none}
  .td-pp-toc ol{grid-template-columns:1fr}
  /* Comparison tables become stacked cards. */
  .td-pub-compare,.td-pub-compare tbody,.td-pub-compare caption{display:block;width:100%;box-sizing:border-box}
  .td-pub-compare caption{padding:12px 14px 6px;border-bottom:1px solid var(--td-border)}
  .td-help-quick a:nth-of-type(n+5){display:none}
  .td-pub-compare thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .td-pub-compare tr{display:grid;padding:10px 14px;border-bottom:1px solid var(--td-border)}
  .td-pub-compare tr:last-child{border-bottom:0}
  .td-pub-compare th,.td-pub-compare td{display:block;width:auto!important;padding:4px 0;border:0}
  .td-pub-compare td::before{content:attr(data-label);display:block;font-size:12px;font-weight:700;color:var(--td-secondary-ink)}
}

/* Practice builder: note about features still to come */

/* ---- Instruction 33: /practice/ (no public builder) ---- */
.td-pr-login-note{display:flex;gap:8px;align-items:flex-start;margin:12px 0 0!important;font-size:14px!important;color:var(--td-text-muted)!important}
.td-pr-login-note .td-icon{flex:0 0 auto;width:16px;height:16px;margin-top:3px}
.td-pr-login-note a{color:var(--td-brand-700);font-weight:600}
.td-pr-head-art{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:14px}
.td-pr-head-art .td-illustration{flex:0 0 auto;width:150px;height:auto}
.td-pr-type{display:flex;flex-direction:column;gap:10px}
.td-pr-type h3{margin:0}
.td-pr-private{display:flex;align-items:center;gap:8px;margin:0!important;padding:8px 12px;border-radius:var(--td-radius);background:var(--td-brand-50);color:var(--td-brand-800)!important}
.td-pr-private .td-icon{width:16px;height:16px;flex:0 0 auto}
.td-pr-points{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.td-pr-points li{display:flex;gap:8px;align-items:flex-start;color:var(--td-text);font-size:15px;line-height:1.55}
.td-pr-points .td-icon{flex:0 0 auto;width:18px;height:18px;margin-top:3px;color:var(--td-success-600)}
.td-pr-type__actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.td-pr-type__actions .td-btn{gap:8px}
.td-pr-steps{grid-template-columns:repeat(5,minmax(0,1fr))}
.td-pr-startmodes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}
.td-pr-startmode{padding:16px 18px;border:1px solid var(--td-border);border-left:4px solid var(--td-brand-500);border-radius:var(--td-radius-lg);background:#fff}
.td-pr-startmode h3{display:flex;align-items:center;gap:8px;margin:0 0 6px;font-size:17px}
.td-pr-startmode h3 .td-icon{width:18px;height:18px;color:var(--td-brand-600)}
.td-pr-startmode p{margin:0;font-size:15px}
.td-pr-flows{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.td-pr-flow-col{padding:18px 20px;border:1px solid var(--td-border);border-radius:var(--td-radius-lg);background:#fff}
.td-pr-flow-col h3{display:flex;align-items:center;gap:8px;margin:0 0 12px}
.td-pr-flow-col h3 .td-icon{width:20px;height:20px;color:var(--td-brand-600)}
.td-pr-timeline{position:relative;display:grid;gap:8px;margin:0;padding:0 0 0 30px;list-style:none;counter-reset:prt}
.td-pr-timeline::before{content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;background:var(--td-brand-100)}
.td-pr-timeline li{position:relative;counter-increment:prt;padding:6px 10px;border-radius:var(--td-radius);background:var(--td-gray-50,#F8FAFC);font-size:15px;font-weight:600;color:var(--td-text-strong)}
.td-pr-timeline li::before{content:counter(prt);position:absolute;left:-30px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--td-brand-600);color:#fff;font-size:12px;font-weight:700}
.td-pr-timeline li:last-child::before{background:var(--td-success-600)}
.td-pr-flow-note{margin:12px 0 0!important;font-size:14px!important}
.td-pr-flow-note a{color:var(--td-brand-700);font-weight:600}
.td-pr-features{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:14px}
.td-pr-card-h{margin:0;font-size:20px}
.td-pr-metrics{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}
.td-pr-metrics li{padding:4px 10px;border-radius:999px;background:var(--td-brand-50);color:var(--td-brand-800);font-size:13px;font-weight:600}
@media (max-width:1100px){.td-pr-steps{grid-template-columns:repeat(3,minmax(0,1fr))}.td-pr-features{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){
  .td-pr-steps,.td-pr-startmodes,.td-pr-flows,.td-pr-features{grid-template-columns:1fr}
  .td-pr-head-art .td-illustration{display:none}
  .td-pr-type__actions .td-btn{flex:1 1 100%;justify-content:center}
}
.td-pr-chain-v{flex-direction:column;flex-wrap:nowrap;gap:14px;max-width:340px;justify-self:end;width:100%}
.td-pr-chain-v li{min-width:0}
.td-pr-chain-v li:not(:last-child)::after{content:"↓";right:auto;left:18px;top:auto;bottom:-17px;transform:none}
@media (max-width:760px){.td-pr-chain-v{max-width:none;justify-self:stretch}}