/* Static Help shares Flow's calm neutral/teal palette; all assets are first-party. */
:root { color-scheme: light dark; --bg: #f7f8f5; --paper: #fff; --ink: #182e2a; --muted: #536860; --line: #d8e2dc; --accent: #17634d; --wash: #e8f1eb; --warm: #f1e7d4; --focus: #865300; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
a { color: var(--accent); text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2px; }
button, input { font: inherit; }
button, a { touch-action: manipulation; }
button { cursor: pointer; }
img { max-width: 100%; height: auto; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
:target, :focus { scroll-margin-block: 1.5rem; }
.skip { position: absolute; left: 1rem; top: -10rem; z-index: 10; background: var(--paper); padding: .8rem 1.2rem; border: 2px solid var(--accent); }
.skip:focus { top: .5rem; }
.wrap { width: min(1180px, calc(100% - 4rem)); margin-inline: auto; }
.masthead { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: 1.4rem; border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: .65rem; font-weight: 760; letter-spacing: -.04em; font-size: 1.7rem; }
.brand-mark { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50% 50% 15% 50%; background: var(--accent); color: var(--paper); font-size: 1.2rem; font-weight: 500; }
.brand-label { font-weight: 450; letter-spacing: 0; font-size: .9rem; border-left: 1px solid var(--line); padding-left: .8rem; }
.header-links { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem 1.3rem; }
.header-links a { font-size: .9rem; font-weight: 600; padding-block: .6rem; }
.header-links .open { border: 1px solid var(--line); border-radius: 99px; padding: .55rem 1rem; text-decoration: none; }
.hero { position: relative; padding: 5rem 0 3.5rem; max-width: 890px; }
.eyebrow { color: var(--accent); text-transform: uppercase; font-size: .76rem; font-weight: 750; letter-spacing: .14em; }
h1, h2, h3 { line-height: 1.18; text-wrap: balance; }
h1 { letter-spacing: -.055em; font-size: clamp(2.6rem, 5.5vw, 4.6rem); font-weight: 650; margin: 1.3rem 0; }
.hero h1 { white-space: pre-line; }
.intro { font-size: 1.1rem; max-width: 660px; color: var(--muted); }
.search { max-width: 810px; }
.search label { display: block; font-weight: 650; margin-bottom: .7rem; }
.search-box { display: flex; gap: 1rem; align-items: center; background: var(--paper); border: 1px solid var(--accent); border-radius: 1rem; padding: .65rem 1.2rem; box-shadow: 0 8px 28px #163c2210; }
.search-icon { font-size: 1.9rem; line-height: 1; color: var(--accent); }
.search input { width: 100%; min-width: 0; border: 0; background: transparent; color: var(--ink); padding: .65rem 0; }
.search input::placeholder { color: var(--muted); opacity: 1; }
.search-hint { color: var(--muted); font-size: .8rem; margin-top: .6rem; }
.search-results { border: 1px solid var(--line); border-radius: 1rem; padding: 1.5rem; margin-block: 1.4rem; background: var(--paper); }
.search-results ul { padding: 0; list-style: none; }
.search-results li + li { border-top: 1px solid var(--line); }
.search-results a { display: block; padding-block: .9rem; text-decoration: none; }
.search-results strong { display: block; font-size: 1.08rem; }
.search-results p { margin: .2rem 0; color: var(--muted); font-size: .9rem; }
mark { background: var(--warm); color: var(--ink); }
.section { margin-block: 4rem; }
.section-heading { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: .7rem 2rem; margin-bottom: 1.6rem; }
.section-heading h2 { font-size: 1.8rem; letter-spacing: -.035em; margin: 0; }
.section-heading p { color: var(--muted); margin: 0; font-size: .95rem; }
.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.card { display: flex; flex-direction: column; align-items: start; padding: 1.5rem; border: 1px solid var(--line); border-radius: 1rem; color: var(--ink); background: var(--paper); text-decoration: none; overflow-wrap: anywhere; }
.card:hover { border-color: var(--accent); background: var(--wash); }
.card h3 { font-size: 1.13rem; letter-spacing: -.02em; margin: .8rem 0 .6rem; }
.card p { font-size: .9rem; color: var(--muted); margin: 0 0 1.5rem; }
.card .number { border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; height: 2.3rem; width: 2.3rem; color: var(--accent); font-size: .8rem; }
.card .arrow { margin-top: auto; color: var(--accent); font-size: 1.4rem; }
.topics-grid, .guides-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.guides-grid .card { align-items: stretch; }
.topics-grid .card { flex-direction: row; align-items: center; gap: 1rem; padding: 1.15rem 1.4rem; }
.topics-grid h3 { flex: 1; margin: 0; font-size: 1rem; }
.count { color: var(--muted); font-size: .8rem; }
.stories { background: var(--wash); padding: 3rem; border-radius: 1.4rem; }
.stories .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stories .card:first-child { background: var(--warm); }
.cta { display: flex; justify-content: space-between; align-items: center; gap: 2rem; padding: 2.8rem 0; border-block: 1px solid var(--line); }
.cta h2 { font-size: 2rem; margin: 0 0 .8rem; letter-spacing: -.04em; }
.cta p { color: var(--muted); max-width: 580px; margin: 0; }
.button { display: inline-flex; align-items: center; justify-content: center; background: var(--accent); color: var(--paper); border: 0; border-radius: 99px; padding: .9rem 1.4rem; font-weight: 600; text-decoration: none; text-align: center; }
footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding-block: 2rem; font-size: .8rem; color: var(--muted); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; padding: 0; font-size: .85rem; margin-block: 2rem; }
.breadcrumbs li + li::before { content: '/'; color: var(--muted); margin-right: .5rem; }
.compact-search { margin-block: 2rem; }
.article-layout { display: grid; grid-template-columns: minmax(0, 790px) minmax(180px, 1fr); gap: 4rem; margin-block: 2rem 4rem; }
.article h1 { font-size: clamp(2.2rem, 4vw, 3.2rem); }
.article-meta { font-size: .85rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 1rem; margin-block: 1.5rem 2rem; }
.article h2 { font-size: 1.6rem; margin-top: 2.5rem; letter-spacing: -.025em; }
.article h3 { font-size: 1.15rem; margin-top: 1.8rem; }
.article p, .article li { overflow-wrap: anywhere; }
.article li { padding-left: .3rem; margin-block: .5rem; }
.article li::marker { color: var(--accent); font-weight: 650; }
.article blockquote { margin: 1.5rem 0; border-left: 3px solid var(--accent); padding: .2rem 1.2rem; color: var(--muted); }
.article code { font-family: ui-monospace, monospace; font-size: .9em; background: var(--wash); border-radius: .25rem; padding: .1rem .25rem; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--wash); border: 1px solid var(--line); border-radius: .75rem; padding: 1.2rem; }
figure { margin: 2rem 0; }
figure > a { display: block; border: 1px solid var(--line); border-radius: .8rem; overflow: hidden; background: var(--paper); }
figure img { display: block; width: 100%; }
figcaption { color: var(--muted); font-size: .85rem; margin-top: .8rem; }
.callout { padding: 1rem 1.4rem; border: 1px solid var(--line); border-left: 4px solid var(--accent); background: var(--wash); border-radius: .6rem; margin-block: 1.7rem; }
.callout.warning { background: var(--warm); border-left-color: var(--focus); }
.callout > p:last-child { margin-bottom: 0; }
.diagram { border: 1px solid var(--line); padding: 1.3rem; border-radius: 1rem; background: var(--paper); }
.diagram-edges { padding: 0; list-style: none; display: grid; gap: .6rem; }
.article .diagram-edges li { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .5rem; margin: 0; padding: 0; }
.diagram-edges li > span:not(.edge) { padding: .5rem .8rem; border: 1px solid var(--line); border-radius: .6rem; background: var(--wash); flex: 1; text-align: center; }
.diagram-edges .edge { color: var(--accent); font-size: .85rem; }
.diagram-group { border: 2px dashed var(--line); border-radius: .8rem; padding: .8rem; margin-block: 1rem; }
.diagram-group > p { margin: 0 0 .8rem; }
.toc { border-left: 1px solid var(--line); padding-left: 1.5rem; font-size: .86rem; align-self: start; }
.toc h2 { font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; margin-block: .5rem 1.2rem; }
.toc ul { list-style: none; padding: 0; }
.toc li { margin-block: .8rem; }
.toc .depth-3 { padding-left: .8rem; }
.toc a { text-decoration: none; }
.related { border-top: 1px solid var(--line); margin-top: 3rem; padding-top: 1rem; }
.related .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.paging { display: flex; justify-content: space-between; gap: 1.5rem; margin-block: 2rem; }
.paging a { max-width: 48%; }
.paging small { display: block; color: var(--muted); }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: .8rem; border: 1px solid var(--line); }
th { background: var(--wash); }
dialog { max-width: min(96vw, 1500px); max-height: 94dvh; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--paper); color: var(--ink); }
dialog::backdrop { background: #071a16d9; }
dialog .close-row { display: flex; justify-content: end; margin-bottom: 1rem; }
dialog img { display: block; max-height: 72dvh; width: auto; margin: auto; object-fit: contain; }
dialog p { margin-bottom: 0; }
@media (prefers-color-scheme: dark) { :root { --bg: #101c19; --paper: #192a24; --ink: #e4eee6; --muted: #aec1b6; --line: #3b5347; --accent: #8bd9b8; --wash: #213b30; --warm: #3d3524; --focus: #f6c473; } .button, .brand-mark { color: #132c22; } }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .stories .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .article-layout { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; } .toc { grid-row: 1; border-left: 0; border-bottom: 1px solid var(--line); padding: 0 0 1rem; } .toc ul { display: flex; flex-wrap: wrap; gap: .5rem 1.3rem; } .toc li { margin: 0; } .toc .depth-3 { padding: 0; } .cta { align-items: start; flex-direction: column; } }
@media (max-width: 560px) { .wrap { width: calc(100% - 2rem); } .masthead { align-items: start; flex-direction: column; gap: .5rem; padding-block: 1rem; } .header-links { width: 100%; justify-content: space-between; } .hero { padding: 2.4rem 0 2rem; } h1 { font-size: 2.65rem; } .grid, .topics-grid, .stories .grid, .related .grid { grid-template-columns: minmax(0, 1fr); } .section { margin-block: 2.5rem; } .stories { padding: 1.4rem; } .search-box { padding-inline: .8rem; gap: .7rem; } .search input { font-size: 1rem; } .card { padding: 1.3rem; } .paging { flex-direction: column; } .paging a { max-width: 100%; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; } }