/* Arc Studio 4.0 · documentation and legal document shell */
html{scroll-padding-top:96px;scroll-behavior:smooth}body.docs-page{background:var(--surface-alt);color:var(--text);font:16px/1.65 var(--font-ui)}
.docs-header{height:76px;position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:32px;padding:0 max(24px,calc((100vw - 1440px)/2));background:var(--surface);border-bottom:1px solid var(--border)}
.docs-brand{display:flex;align-items:center;flex:none}.docs-brand img{width:190px;max-height:45px}.docs-header nav{display:flex;gap:8px;margin-left:auto}.docs-header nav a{display:flex;align-items:center;min-height:44px;padding:8px 12px;border-radius:10px;color:var(--text-secondary);font-size:14px;text-decoration:none}.docs-header nav a:hover{background:var(--surface-alt);color:var(--brand)}.docs-version{font-size:12px;color:var(--text-secondary);border:1px solid var(--border);border-radius:8px;padding:3px 8px}
.docs-footer{max-width:1384px;margin:0 auto;padding:28px 24px 40px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:24px;font-size:13px;color:var(--text-secondary)}.docs-footer nav{display:flex;gap:16px;flex-wrap:wrap}.docs-footer a{color:inherit;text-underline-offset:3px}
.layout{max-width:1400px;margin:auto;display:grid;grid-template-columns:264px minmax(0,1fr);gap:40px;padding:32px 24px 64px}.content{min-width:0;max-width:940px}.sidebar{position:sticky;top:100px;align-self:start;max-height:calc(100dvh - 124px);overflow:auto;padding:8px 12px 16px 0}.sidebar strong{font:600 16px/24px var(--font-heading);display:block;padding:4px 12px 12px}.sidebar .group{padding:16px 12px 6px;color:var(--text-secondary);font-size:12px;font-weight:600}.sidebar a{display:block;padding:8px 12px;margin:2px 0;border-radius:10px;font-size:14px;line-height:20px;color:var(--text-secondary);text-decoration:none}.sidebar a:hover,.sidebar a[aria-current="location"]{background:var(--brand-soft);color:var(--brand)}.docs-nav-toggle{display:none}
.hero{padding:32px;background:white;border:1px solid var(--border);border-radius:24px;margin-bottom:24px}.kicker{font-size:12px;color:var(--brand);font-weight:600;letter-spacing:.04em}.hero h1{font:650 36px/44px var(--font-heading);letter-spacing:-.8px;margin:12px 0}.lead{font-size:18px;line-height:28px;color:var(--text-secondary)}.hero-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.search{padding-top:24px;margin-top:24px;border-top:1px solid var(--border)}.search label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}#help-search{display:block;width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--field-border);border-radius:10px;background:var(--surface);font:inherit;color:var(--text)}.search-results{display:flex;flex-direction:column;gap:8px}.search-results a{padding:12px 16px;border:1px solid var(--border);border-radius:12px;color:var(--text);text-decoration:none;background:var(--surface-alt)}.search-results a:first-child{margin-top:12px}.search-results b{display:block;font-size:14px}.search-results small{display:block;color:var(--text-secondary);font-size:13px;margin-top:4px}.no-results{padding:16px;font-size:14px;color:var(--text-secondary)}
.section{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:32px;margin-bottom:20px;scroll-margin-top:100px}.section h2{font:650 24px/32px var(--font-heading);letter-spacing:-.35px;margin:0 24px 20px 0}.section h3{font:600 18px/26px var(--font-heading);margin:28px 0 12px}.section p{margin:12px 0}.hash{position:absolute;top:32px;right:24px;text-decoration:none;color:var(--text-secondary);font-size:18px}.ui-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0}.ui-card{padding:18px;background:var(--surface-alt);border:1px solid var(--border);border-radius:12px;font-size:14px;line-height:22px}.ui-card b{display:block;margin-bottom:6px}.warn,.tip,.note,.info,.danger{background:var(--surface-alt);border-left:3px solid var(--brand);border-radius:0 10px 10px 0;padding:16px 20px;margin:20px 0;font-size:14px;line-height:23px}.warn{border-color:var(--warning);background:#fff8e8}.danger{border-color:var(--danger);background:#fff1f0}.warn strong,.tip strong,.note strong{display:block;margin-bottom:6px}.steps{counter-reset:step;display:grid;gap:12px;margin:20px 0}.step{padding:16px 16px 16px 56px;position:relative;border:1px solid var(--border);border-radius:12px;font-size:15px;line-height:24px;counter-increment:step}.step:before{content:counter(step);position:absolute;left:16px;top:16px;width:28px;height:28px;border-radius:8px;background:var(--brand-soft);color:var(--brand);text-align:center;font-size:14px;font-weight:600;line-height:28px}
.docs-page table{width:100%;border-collapse:collapse;font-size:14px;margin:20px 0;table-layout:fixed}.docs-page th,.docs-page td{text-align:left;vertical-align:top;padding:12px;border-bottom:1px solid var(--border);overflow-wrap:anywhere;white-space:normal}.docs-page th{font-weight:600;background:var(--surface-alt)}.table-wrap{overflow:auto}.docs-page ul,.docs-page ol{padding-left:24px}.docs-page li{margin:6px 0}.docs-page code{font-size:.86em;overflow-wrap:anywhere}.docs-page kbd{font-size:12px;border:1px solid var(--border);padding:3px 6px;border-radius:5px;background:var(--surface-alt)}.docs-page details:not(.document-toc){margin:12px 0;border:1px solid var(--border);border-radius:12px;padding:12px 16px}.docs-page summary{font-weight:600;cursor:pointer}.docs-page img{max-width:100%;height:auto}.docs-page .mobile-doc-nav{display:none}
.document-content{max-width:860px;margin:40px auto 64px;background:white;padding:48px;border:1px solid var(--border);border-radius:24px;overflow-wrap:anywhere}.document-content h1{font:650 30px/40px var(--font-heading);letter-spacing:-.5px;margin:12px 0 20px}.document-content h2{font:600 22px/30px var(--font-heading);margin:36px 0 16px;scroll-margin-top:100px}.document-content h3{font-size:18px;line-height:26px;margin:24px 0 12px}.document-content p{margin:12px 0}.document-content .card{padding:24px 0;margin:0;border:0;border-bottom:1px solid var(--border);border-radius:0;box-shadow:none;background:transparent}.document-content .card h2:first-child{margin-top:0}.document-content .nav{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.document-content .nav a{padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;min-height:44px}.document-toc{margin:24px 0;padding:16px 20px;background:var(--surface-alt);border:1px solid var(--border);border-radius:12px;font-size:14px}.document-toc nav{display:flex;flex-direction:column;gap:8px;padding-top:12px}.release-badge{display:inline-flex;padding:4px 10px;border-radius:8px;color:var(--brand);background:var(--brand-soft);font-size:12px;font-weight:600}.release-current h2{margin-top:12px!important}
@media(max-width:1023px){.layout{grid-template-columns:220px minmax(0,1fr);gap:20px;padding:24px 16px}.hero,.section{padding:24px}.hero h1{font-size:30px;line-height:38px}.docs-header{padding:0 20px;gap:16px}.docs-brand img{width:160px}.document-content{margin:24px;max-width:none;padding:32px}}
@media(max-width:767px){html{scroll-padding-top:132px}.docs-header{height:64px;padding:0 16px;gap:8px}.docs-brand img{width:138px}.docs-header nav{gap:0}.docs-header nav a{padding:8px;font-size:13px}.docs-header nav a[href="account/"]{display:none}.docs-version{display:none}.layout{display:flex;flex-direction:column;padding:16px 12px 40px;gap:16px}.docs-nav-toggle{display:flex;position:sticky;top:72px;z-index:22;background:white;width:100%;min-height:44px;box-shadow:var(--shadow-popover)}.sidebar{display:none;position:fixed;z-index:25;left:12px;right:12px;top:126px;max-height:calc(100dvh - 144px);padding:16px;background:white;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-dialog)}.sidebar[data-open]{display:block}.sidebar a{min-height:44px;display:flex;align-items:center;font-size:15px}.hero,.section{padding:20px;border-radius:16px}.hero h1{font-size:28px;line-height:36px;letter-spacing:-.5px}.lead{font-size:16px;line-height:26px}.hero-actions .button{flex:1 1 45%;padding:10px;font-size:13px}.section h2{font-size:22px;line-height:30px}.hash{top:20px;right:14px}.ui-grid{grid-template-columns:1fr}.docs-page table{font-size:13px}.docs-page th,.docs-page td{padding:8px}.step{font-size:15px;padding-right:12px}.document-content{margin:16px 12px 40px;padding:24px 20px;border-radius:16px}.document-content h1{font-size:25px;line-height:34px}.document-content .lead{font-size:16px}.document-content h2{font-size:21px;line-height:29px}.docs-footer{display:flex;flex-direction:column;padding:24px 20px;gap:16px}.docs-footer nav{gap:12px}.section{scroll-margin-top:132px}}
@media print{html{scroll-behavior:auto}body.docs-page{font:11pt/1.5 Arial,sans-serif;background:white;color:#20242c}.docs-header,.docs-footer,.sidebar,.docs-nav-toggle,.hero-actions,.search,.hash,.document-toc{display:none!important}.layout{display:block;margin:0;padding:0}.content,.document-content{max-width:none;border:0;padding:0;margin:0}.hero,.section{padding:0;border:0;margin:0 0 8mm;break-inside:auto}.section h2,.document-content h2{break-after:avoid}.ui-card,.warn,.tip,.step{break-inside:avoid}.docs-page a{color:inherit}.hero h1{font-size:24pt}.section h2{font-size:17pt}.docs-page .lead{font-size:12pt}.document-content .card{break-inside:auto}@page{margin:16mm}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.docs-page kbd{display:inline-flex;align-items:center;justify-content:center;min-width:22px;min-height:24px;padding:2px 6px;border:1px solid #d8dee7;border-bottom-width:2px;border-radius:5px;background:#fff;box-shadow:0 1px 1px #20242c08;font-family:var(--font-ui);font-size:12px;font-weight:400;line-height:17px;white-space:nowrap;color:#667085}
.support-contacts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:20px 0}.support-contact{display:flex;flex-direction:column;gap:8px;padding:20px;border:1px solid var(--border);border-radius:16px;background:#fff;text-decoration:none!important;min-width:0}.support-contact span{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary)}.support-contact strong{font-size:17px;line-height:24px;font-weight:600;color:var(--brand);overflow-wrap:anywhere}.support-contact small{font-size:13px;line-height:20px;color:var(--text-secondary)}.support-contact:hover{border-color:var(--brand);background:var(--brand-soft)}#preliminary-price{scroll-margin-top:100px}@media(max-width:767px){.support-contacts{grid-template-columns:1fr;gap:12px}.support-contact{padding:16px}.docs-page .doc-table{font-size:13px}.docs-page .doc-table th,.docs-page .doc-table td{padding:10px 8px}}
/* New help paths no longer match the old account/ hide selector. Keep all links
   accessible and place navigation on its own row instead of overflowing 320px. */
@media(max-width:767px){
 .docs-header{height:100px;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:40px 44px;padding:6px 16px;gap:3px 8px}
 .docs-header .docs-brand{grid-column:1;grid-row:1}.docs-header .docs-version{display:block;grid-column:2;grid-row:1;justify-self:end}
 .docs-header nav{grid-column:1/-1;grid-row:2;width:100%;min-width:0;margin:0;display:flex;gap:4px}
 .docs-header nav a{flex:1;justify-content:center;min-width:0;padding:8px 4px;min-height:44px;white-space:nowrap}
 .docs-nav-toggle{top:108px}.sidebar{top:160px;max-height:calc(100dvh - 180px)}
 .section,#preliminary-price{scroll-margin-top:164px}
}

/* 5.4.3 — chronology has one top-level title and a leading table of contents. */
.changelog-intro h1{margin-top:8px}.changelog-intro .lead{margin-bottom:24px}.changelog-toc{margin:0 0 28px}.changelog-toc nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 20px}.changelog-toc nav a{margin:0;line-height:1.5}.release-entry{scroll-margin-top:116px}.release-entry h2{margin-top:0}.release-entry .release-date{color:var(--text-secondary);font-size:14px}.release-current .release-badge{display:inline-flex;margin-bottom:12px}@media(max-width:767px){.changelog-toc nav{grid-template-columns:1fr}.release-entry{scroll-margin-top:150px}}

/* One release heading, date and list across the complete history. */
.release-entry h2{margin-bottom:6px}.release-entry .release-date{margin:0 0 16px;color:#646b72;font-size:14px;line-height:1.5}.release-entry>ul{margin-top:0}