/* PenEcho public theme — quiet white surfaces, one blue accent, large type.
   Public pages only (Echoes, Downloads, Sponsors, Contact, legal, auth, 404).
   Never imported by the Dashboard, Admin or Canvas. Page stylesheets supply
   structure; this layer supplies the shared material, type and components. */
body.public-paper {
  --bg:#ffffff; --paper:#ffffff; --bg-alt:#f5f5f7; --card:#f5f5f7; --card-raised:#ffffff;
  --ink:#1d1d1f; --ink-2:#6e6e73; --muted:#6e6e73; --faint:#86868b;
  --accent:#0071e3; --accent-hover:#0077ed; --link:#0066cc;
  --line:#d2d2d7; --hairline:rgba(0,0,0,.08);
  --radius:18px; --radius-lg:28px; --radius-ctl:12px; --radius-card:24px;
  --glow:linear-gradient(90deg,#0071e3 0%,#5e5ce6 45%,#bf5af2 100%);
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue","Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  --font:var(--sans); --serif:var(--sans);
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.25,.1,.25,1);
  margin:0; background:var(--bg); color:var(--ink); font-family:var(--sans); font-size:17px; line-height:1.47; letter-spacing:-.016em;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
}
.public-paper [hidden] { display:none!important; }
.public-paper ::selection { background:#b3d7ff; }
.public-paper main :focus-visible,.public-paper .auth-shell :focus-visible,.public-paper .site-footer :focus-visible { outline:2px solid var(--accent); outline-offset:4px; border-radius:6px; }
:where(.public-paper) a { color:var(--link); }

/* Type */
.public-paper main h1,.public-paper .auth-card h1 { font-family:var(--sans); font-size:clamp(40px,5.6vw,64px); font-weight:700; letter-spacing:-.035em; line-height:1.06; color:var(--ink); text-wrap:balance; }
.public-paper main h2 { font-family:var(--sans); font-weight:700; letter-spacing:-.025em; color:var(--ink); text-wrap:balance; }
.public-paper main h3 { letter-spacing:-.02em; }
.public-paper main em { font-style:normal; background:var(--glow); -webkit-background-clip:text; background-clip:text; color:transparent; }
.public-paper .sponsors-kicker,.public-paper .kicker { margin:0 0 10px; text-transform:none; color:var(--faint); font-size:17px; font-weight:600; letter-spacing:-.01em; }

/* Buttons: one filled pill, one outline pill, and quiet text links */
.public-paper .button,.public-paper .sponsors-button,.public-paper .contact-submit { display:inline-flex; align-items:center; justify-content:center; gap:8px; min-height:44px; padding:11px 22px; border:0; border-radius:980px; box-shadow:none; font-size:17px; font-weight:500; letter-spacing:-.01em; text-decoration:none; transition:background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease); }
.public-paper .button:not(.secondary):not(.ghost),.public-paper .sponsors-button:not(.ghost),.public-paper .contact-submit { background:var(--accent); color:#fff; }
.public-paper .button:not(.secondary):not(.ghost):hover,.public-paper .sponsors-button:not(.ghost):hover,.public-paper .contact-submit:hover { background:var(--accent-hover); text-decoration:none; }
.public-paper .button:active,.public-paper .sponsors-button:active,.public-paper .contact-submit:active { transform:scale(.98); }
.public-paper .button.secondary,.public-paper .button.ghost,.public-paper .sponsors-button.ghost { border:0; background:transparent; color:var(--accent); box-shadow:inset 0 0 0 1px var(--accent); }
.public-paper .button.secondary:hover,.public-paper .button.ghost:hover,.public-paper .sponsors-button.ghost:hover { background:var(--accent); color:#fff; text-decoration:none; }

/* Footer: the same quiet gray band as the homepage */
.public-paper .site-footer { display:flex; flex-wrap:wrap; align-items:center; gap:8px 24px; width:100%; margin-top:0; padding:22px max(24px,calc((100% - 1120px) / 2)); border-top:0; background:var(--bg-alt); color:var(--muted); font-size:12px; letter-spacing:-.005em; }
.public-paper .site-footer nav { display:flex; flex-wrap:wrap; gap:6px 20px; margin-left:auto; }
.public-paper .site-footer a { display:inline-flex; align-items:center; min-height:32px; color:#424245; }
.public-paper .site-footer a:hover { color:var(--ink); text-decoration:underline; text-underline-offset:3px; }

/* ---------- Downloads ---------- */
.public-paper .downloads-main,.public-paper .sponsors-main { width:min(1120px,calc(100% - 48px)); padding-block:clamp(56px,8vw,96px) clamp(64px,8vw,104px); }
.public-paper .downloads-hero { position:relative; isolation:isolate; flex-direction:column; align-items:center; gap:26px; padding-bottom:0; text-align:center; }
.public-paper .downloads-hero::before { content:""; position:absolute; z-index:-1; top:-40px; left:50%; width:min(560px,90vw); height:260px; transform:translateX(-50%); border-radius:50%; background:radial-gradient(closest-side,rgba(0,113,227,.16),rgba(191,90,242,.1) 60%,transparent); filter:blur(30px); pointer-events:none; }
.public-paper .downloads-app-icon { width:112px; height:auto; padding:0; border:0; border-radius:25%; box-shadow:0 18px 40px -18px rgba(0,0,0,.35),0 0 0 1px var(--hairline); }
.public-paper .downloads-hero-copy h1 { font-size:clamp(40px,5.6vw,64px); }
.public-paper .downloads-sub { max-width:600px; margin:18px auto 0; color:var(--muted); font-size:clamp(19px,1.7vw,21px); line-height:1.4; text-wrap:balance; }
.public-paper .platform-grid { gap:20px; margin-top:clamp(48px,6vw,72px); }
.public-paper .platform-card { position:relative; padding:40px 32px 32px; border:0; border-radius:var(--radius-lg); background:var(--card); box-shadow:none; transition:transform .35s var(--ease),box-shadow .35s var(--ease); }
.public-paper .platform-card:hover { transform:translateY(-3px); box-shadow:0 24px 48px -28px rgba(0,0,0,.22); }
.public-paper .platform-card::before { content:""; display:block; width:48px; height:48px; margin-bottom:20px; background:var(--ink); -webkit-mask:var(--platform-icon) center/contain no-repeat; mask:var(--platform-icon) center/contain no-repeat; }
.public-paper .platform-card[data-platform="macos"] { --platform-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 48' fill='none' stroke='black' stroke-width='2.4' stroke-linejoin='round'%3E%3Crect x='5' y='8' width='38' height='25' rx='3'/%3E%3Cpath d='M18 40h12M24 33v7'/%3E%3C/svg%3E"); }
.public-paper .platform-card[data-platform="windows"] { --platform-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 48'%3E%3Cpath d='M7 11.5 21 9.6V23H7zM24 9.2 41 7v16H24zM7 26h14v13.4L7 37.5zM24 26h17v15l-17-2.3z'/%3E%3C/svg%3E"); }
.public-paper .platform-card#npm { --platform-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 48' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='5' y='9' width='38' height='30' rx='4'/%3E%3Cpath d='m13 19 6 5-6 5M23 30h11'/%3E%3C/svg%3E"); }
.public-paper .platform-card h3 { font:700 24px/1.2 var(--sans); letter-spacing:-.025em; }
.public-paper .platform-card p { margin-top:8px; color:var(--muted); font-size:15px; line-height:1.45; }
.public-paper .platform-version { margin-top:16px; padding:4px 12px; border:0; border-radius:980px; background:#fff; color:var(--muted); font:500 12px/1.5 var(--mono); }
.public-paper .platform-version.available { background:rgba(0,113,227,.1); color:var(--accent); }
.public-paper .platform-actions { margin-top:22px; }
.public-paper .platform-actions .button,.public-paper .installer-option .button { width:100%; }
.public-paper .platform-meta { margin-top:14px; color:var(--faint); font-size:13px; }
.public-paper .asset-checksum span { color:var(--faint); }
.public-paper .command-line { margin-top:16px; border:0; border-radius:var(--radius-ctl); background:#fff; box-shadow:inset 0 0 0 1px var(--hairline); }
.public-paper .command-line code { padding:12px 14px; font-size:13px; }
.public-paper .command-line button { min-width:64px; border-left:1px solid var(--hairline); color:var(--link); font-size:13px; font-weight:500; }
.public-paper .command-line button:hover { background:var(--bg-alt); }
.public-paper .release-note { max-width:680px; margin:32px auto 0; color:var(--faint); font-size:14px; line-height:1.5; text-wrap:balance; }
.public-paper .downloads-alt { gap:8px 32px; margin-top:22px; font-size:17px; }
.public-paper .downloads-alt a { display:inline-flex; align-items:center; gap:6px; min-height:44px; color:var(--link); }
.public-paper .downloads-alt a::after { content:""; width:7px; height:7px; border-top:1.6px solid currentColor; border-right:1.6px solid currentColor; transform:rotate(45deg); }
.public-paper .downloads-alt a:hover { text-decoration:underline; text-underline-offset:3px; }
.public-paper .source-command { max-width:520px; margin-top:18px; background:var(--card); box-shadow:none; }
.public-paper .toast { border:0; border-radius:14px; background:rgba(29,29,31,.92); color:#f5f5f7; box-shadow:0 18px 40px -18px rgba(0,0,0,.45); -webkit-backdrop-filter:blur(20px); backdrop-filter:blur(20px); }

/* ---------- Sponsors ---------- */
.public-paper .sponsors-hero { position:relative; isolation:isolate; padding-bottom:clamp(40px,5vw,56px); border-bottom:0; text-align:center; }
.public-paper .sponsors-hero::before { content:""; position:absolute; z-index:-1; top:-30px; left:50%; width:min(620px,90vw); height:280px; transform:translateX(-50%); border-radius:50%; background:radial-gradient(closest-side,rgba(255,149,0,.13),rgba(191,90,242,.1) 60%,transparent); filter:blur(34px); pointer-events:none; }
.public-paper .sponsors-hero h1 { max-width:820px; margin:0 auto; }
.public-paper .sponsors-lead { max-width:640px; margin:20px auto 0; color:var(--muted); font-size:clamp(19px,1.7vw,21px); line-height:1.4; text-wrap:balance; }
.public-paper .sponsors-hero .sponsors-button { margin-top:30px; }
.public-paper .sponsors-button span[aria-hidden="true"] { display:none; }
.public-paper .sponsors-section { margin-top:clamp(48px,7vw,88px); }
.public-paper .sponsors-section-head { justify-content:space-between; gap:16px; margin-bottom:22px; }
.public-paper .sponsors-section-head h2 { font-size:clamp(28px,3vw,40px); }
.public-paper .sponsors-label { padding:5px 12px; border:0; border-radius:980px; background:var(--card); color:var(--muted); font-size:13px; font-weight:500; }
.public-paper .flagship-sponsor { display:grid; grid-template-columns:minmax(230px,380px) minmax(0,1fr); align-items:center; gap:clamp(28px,5vw,64px); padding:clamp(28px,5vw,56px); border:0; border-radius:var(--radius-lg); background:var(--card); box-shadow:none; }
.public-paper .flagship-mark { padding:28px; border:0; border-radius:var(--radius); background:#fff; box-shadow:0 0 0 1px var(--hairline),0 24px 48px -28px rgba(0,0,0,.22); }
.public-paper .flagship-mark img { width:100%; height:auto; }
.public-paper .flagship-copy h3 { font:700 clamp(26px,2.8vw,34px)/1.12 var(--sans); letter-spacing:-.03em; }
.public-paper .flagship-copy p { margin-top:14px; color:var(--muted); font-size:17px; }
.public-paper .flagship-copy a { display:inline-flex; align-items:center; gap:6px; min-height:44px; margin-top:10px; color:var(--link); font-size:17px; }
.public-paper .flagship-copy a span[aria-hidden="true"] { display:none; }
.public-paper .flagship-copy a::after { content:""; width:7px; height:7px; border-top:1.6px solid currentColor; border-right:1.6px solid currentColor; transform:rotate(45deg); }
.public-paper .flagship-slot { border:0; border-radius:var(--radius-card); background:var(--card); }
.public-paper .golden-sponsor { border-radius:var(--radius-lg); }
.public-paper .sponsor-grid { gap:20px; }
.public-paper .sponsor-card { padding:clamp(28px,3.4vw,44px); border:0; border-radius:var(--radius-lg); background:var(--card); box-shadow:none; }
.public-paper .sponsor-card h3 { font-size:clamp(24px,2.4vw,28px); font-weight:700; letter-spacing:-.025em; }
.public-paper .sponsor-card p { margin-top:10px; font-size:17px; }
.public-paper .sponsor-card .sponsors-button { align-self:flex-start; margin-top:26px; }
.public-paper .sponsors-note { margin-top:20px; color:var(--faint); font-size:14px; text-align:center; }
.public-paper .faq-list { gap:0; border-top:1px solid var(--line); }
.public-paper .faq-list details { padding:0; border:0; border-bottom:1px solid var(--line); border-radius:0; background:transparent; box-shadow:none; }
.public-paper .faq-list summary { display:flex; align-items:center; justify-content:space-between; gap:20px; min-height:64px; padding:18px 0; font-size:19px; font-weight:600; letter-spacing:-.02em; cursor:pointer; list-style:none; }
.public-paper .faq-list summary::after { content:""; float:none; flex:none; width:10px; height:10px; margin-right:6px; border-right:1.8px solid var(--faint); border-bottom:1.8px solid var(--faint); transform:rotate(45deg) translate(-2px,-2px); transition:transform .3s var(--ease); }
.public-paper .faq-list details[open] summary::after { content:""; transform:rotate(-135deg) translate(-2px,-2px); }
.public-paper .faq-list details p { max-width:760px; margin:0; padding:0 0 22px; color:var(--muted); font-size:17px; }

/* ---------- Legal and contact ---------- */
.public-paper.legal-body { min-height:0; }
.public-paper .legal-shell { width:min(820px,calc(100% - 48px)); padding-block:clamp(56px,8vw,96px) clamp(64px,8vw,104px); }
.public-paper .legal-hero { padding-bottom:clamp(32px,4vw,48px); border-bottom:1px solid var(--line); text-align:left; }
.public-paper .legal-hero .kicker { margin:0 0 10px; }
.public-paper .legal-hero h1 { font-size:clamp(40px,5.2vw,56px); }
.public-paper .legal-hero>p:not(.legal-meta) { max-width:720px; margin:20px 0 0; color:var(--muted); font-size:clamp(19px,1.6vw,21px); line-height:1.45; }
.public-paper .legal-meta { justify-content:flex-start; gap:8px; margin-top:24px; font-size:13px; }
.public-paper .legal-meta span { padding:5px 12px; border-radius:980px; background:var(--bg-alt); color:var(--muted); }
.public-paper .legal-content { max-width:100%; font-size:17px; line-height:1.6; }
.public-paper .legal-content section { margin-top:clamp(40px,5vw,56px); scroll-margin-top:72px; }
.public-paper .legal-content h2 { margin-bottom:14px; font-size:clamp(24px,2.4vw,28px); letter-spacing:-.025em; line-height:1.2; }
.public-paper .legal-content h3 { margin:28px 0 10px; font-size:19px; font-weight:600; }
.public-paper .legal-content p,.public-paper .legal-content li { color:#333336; }
.public-paper .legal-content a { color:var(--link); }
.public-paper .legal-note { margin:20px 0; padding:20px 24px; border:0; border-radius:var(--radius); background:var(--bg-alt); }
.public-paper .legal-note p { font-size:15px; line-height:1.55; color:var(--ink); }
.public-paper .legal-table-wrap { margin:12px 0 0; padding:0; border:0; border-radius:var(--radius); background:var(--bg-alt); overflow-x:auto; }
.public-paper .legal-table { border:0; border-radius:0; background:transparent; font-size:14px; line-height:1.5; }
.public-paper .legal-table th { padding:14px 18px; background:transparent; color:var(--ink); font-size:13px; font-weight:600; border-bottom:1px solid var(--line); }
.public-paper .legal-table td { padding:14px 18px; background:transparent; color:#333336; border-bottom:1px solid var(--hairline); }
.public-paper .legal-table td:first-child { color:var(--ink); font-weight:600; white-space:nowrap; }
.public-paper .contact-form-section { margin-top:clamp(32px,4vw,48px); padding:clamp(24px,4vw,44px); border:0; border-radius:var(--radius-lg); background:var(--bg-alt); box-shadow:none; }
.public-paper .contact-card { border:0; border-radius:var(--radius-lg); background:var(--bg-alt); box-shadow:none; }
.public-paper .contact-form { gap:22px; }
.public-paper .contact-field label { font-size:14px; font-weight:600; }
.public-paper .contact-field label span { color:var(--faint); }
.public-paper .contact-field input,.public-paper .contact-field select,.public-paper .contact-field textarea { min-height:48px; padding:12px 16px; border:1px solid var(--line); border-radius:var(--radius-ctl); background:#fff; color:var(--ink); font:400 17px/1.4 var(--sans); letter-spacing:-.01em; transition:border-color .2s var(--ease),box-shadow .2s var(--ease); }
.public-paper .contact-field select { appearance:none; -webkit-appearance:none; padding-right:44px; background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2386868b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 10 5 5 5-5'/%3E%3C/svg%3E") right 14px center/18px no-repeat; }
.public-paper .contact-field textarea { min-height:180px; }
.public-paper .contact-field input:focus,.public-paper .contact-field select:focus,.public-paper .contact-field textarea:focus { border-color:var(--accent); box-shadow:0 0 0 4px rgba(0,113,227,.16); background-color:#fff; }
.public-paper .contact-field small { color:var(--faint); font-size:13px; }
.public-paper .contact-submit-row { display:flex; }
.public-paper .contact-submit { min-width:180px; }
.public-paper .contact-fallback { margin-top:24px; }
.public-paper .contact-fallback p { font-size:14px; color:var(--muted); }
.public-paper .contact-fallback a { color:var(--link); }

/* ---------- Echoes ---------- */
body.public-paper[data-community-page] { --bg:#fff; --paper:#f5f5f7; --surface:#fff; --line-soft:rgba(0,0,0,.08); --radius:20px; }
.public-paper .community-shell,.public-paper .community-detail-shell { width:min(1120px,calc(100% - 48px)); }
.public-paper .community-kicker { color:var(--faint); font-weight:600; }
body.public-paper:not(.community-embedded) .community-intro { padding-top:clamp(48px,6vw,80px); margin-bottom:clamp(28px,4vw,40px); text-align:center; }
body.public-paper:not(.community-embedded) .community-intro .community-kicker { display:none; }
body.public-paper:not(.community-embedded) .community-intro h1 { font-size:clamp(44px,6vw,72px); letter-spacing:-.04em; line-height:1.04; background:var(--glow); -webkit-background-clip:text; background-clip:text; color:transparent; padding-bottom:.06em; }
body.public-paper:not(.community-embedded) .community-intro p { max-width:620px; margin:14px auto 0; color:var(--muted); font-size:clamp(19px,1.7vw,21px); line-height:1.4; }
.public-paper .community-controls { top:64px; border:0; border-radius:22px; background:rgba(245,245,247,.86); box-shadow:none; -webkit-backdrop-filter:saturate(180%) blur(20px); backdrop-filter:saturate(180%) blur(20px); }
.public-paper .community-controls select,.public-paper .community-controls input,.public-paper .community-filter-toggle { border-color:transparent; border-radius:12px; background-color:#fff; }
.public-paper .community-kind-seg,.public-paper .view-tabs { border:0; border-radius:980px; background:rgba(0,0,0,.05); }
.public-paper .community-kind-seg button,.public-paper .view-tabs button { border-radius:980px; }
.public-paper .community-kind-seg button.on,.public-paper .view-tabs button.on { background:#fff; color:var(--ink); box-shadow:0 1px 3px rgba(0,0,0,.12); }
.public-paper .public-community-card { border:0; border-radius:22px; background:#fff; box-shadow:0 0 0 1px var(--hairline); transition:transform .35s var(--ease),box-shadow .35s var(--ease); }
.public-paper .public-community-card:hover { transform:translateY(-3px); box-shadow:0 0 0 1px var(--hairline),0 28px 50px -30px rgba(0,0,0,.28); }
.public-paper .public-community-preview-link { padding:10px 10px 0; }
.public-paper .public-community-preview { border-radius:14px; background:var(--bg-alt); }
.public-paper .public-community-preview img { padding:10px; transition:transform .5s var(--ease); }
.public-paper .public-community-card:hover .public-community-preview img { transform:scale(1.02); }
.public-paper .public-community-title h2 { letter-spacing:-.02em; }
.public-paper .public-community-tag { border-radius:980px; background:var(--bg-alt); }
.public-paper .detail-intro h1 { font-size:clamp(32px,4vw,48px); letter-spacing:-.035em; }
.public-paper .detail-side { top:72px; border:0; border-radius:24px; background:var(--bg-alt); }
.public-paper .craft-next { padding:clamp(24px,3.4vw,40px); border:0; border-radius:28px; background:linear-gradient(135deg,rgba(0,113,227,.08),rgba(191,90,242,.08)); }
.public-paper .craft-next h2 { letter-spacing:-.03em; }
.public-paper .community-action { border-radius:980px; }
.public-paper .community-card,.public-paper .craft-card { border-color:var(--hairline); border-radius:var(--radius); background:#fff; }

/* ---------- Auth ---------- */
.public-paper:has(.auth-shell) { display:block; min-height:100vh; padding:0; background:var(--bg-alt); }
.public-paper .auth-shell { width:calc(100% - 40px); max-width:440px; margin:clamp(40px,7vw,80px) auto; }
.public-paper .public-auth-slogan { margin:0 0 28px; color:var(--ink); font:700 clamp(28px,3.4vw,34px)/1.12 var(--sans); letter-spacing:-.03em; text-wrap:balance; }
.public-paper .public-auth-slogan em { font-style:normal; background:var(--glow); -webkit-background-clip:text; background-clip:text; color:transparent; }
.public-paper .auth-card { padding:32px 32px 28px; border:0; border-radius:var(--radius-lg); background:#fff; box-shadow:0 1px 2px rgba(0,0,0,.04),0 24px 60px -30px rgba(0,0,0,.22); }
.public-paper .auth-card h1 { margin-bottom:6px; font-size:28px; letter-spacing:-.025em; }
.public-paper .auth-card .sub { font-size:15px; color:var(--muted); }
.public-paper .auth-tabs { gap:2px; margin-bottom:28px; padding:4px; border:0; border-radius:980px; background:var(--bg-alt); }
.public-paper .auth-tabs button { min-height:36px; padding:6px 0; color:var(--muted); font-size:14px; }
.public-paper .auth-tabs button.on { background:#fff; color:var(--ink); box-shadow:0 1px 3px rgba(0,0,0,.12),0 0 0 .5px rgba(0,0,0,.04); }
.public-paper .auth-card .field label { font-size:14px; }
.public-paper .auth-card .field input[type="email"],.public-paper .auth-card .field input[type="password"],.public-paper .auth-card .field input[type="text"] { min-height:48px; padding:12px 16px; border-color:var(--line); border-radius:var(--radius-ctl); font-size:17px; }
.public-paper .auth-card .field input:focus { border-color:var(--accent); box-shadow:0 0 0 4px rgba(0,113,227,.16); }
.public-paper .auth-card .button { width:100%; min-height:48px; }
.public-paper .auth-card .code-boxes i { border-radius:12px; }
.public-paper .auth-card .oauth-btn { border-radius:980px; min-height:48px; }
.public-paper .auth-card .link-button,.public-paper .auth-card .legal-consent a { color:var(--link); }

/* ---------- 404 ---------- */
.public-paper:has(main>.code) { display:block; min-height:100vh; text-align:center; }
.public-paper:has(main>.code) main { padding:clamp(80px,14vw,160px) 24px; }
.public-paper main>.code { font-size:clamp(96px,18vw,200px); font-weight:700; line-height:1; letter-spacing:-.06em; background:var(--glow); -webkit-background-clip:text; background-clip:text; color:transparent; }
.public-paper main>.code ~ p { margin:18px 0 30px; color:var(--muted); font-size:21px; }

@media(max-width:860px) {
  .public-paper .flagship-sponsor { grid-template-columns:1fr; }
  .public-paper .flagship-mark { max-width:380px; }
}
@media(max-width:760px) {
  body.public-paper { font-size:16px; }
  .public-paper .downloads-main,.public-paper .sponsors-main,.public-paper .legal-shell,.public-paper .community-shell,.public-paper .community-detail-shell { width:calc(100% - 40px); padding-top:44px; }
  .public-paper main h1 { font-size:clamp(36px,10vw,44px); letter-spacing:-.03em; }
  .public-paper .downloads-hero { align-items:center; text-align:center; gap:20px; }
  .public-paper .downloads-app-icon { width:88px; }
  .public-paper .platform-card { padding:32px 24px 26px; border-radius:22px; }
  .public-paper .flagship-sponsor,.public-paper .sponsor-card { padding:26px 22px; border-radius:22px; }
  .public-paper .flagship-mark { padding:20px; }
  .public-paper .sponsors-section-head { flex-wrap:wrap; }
  .public-paper .faq-list summary { font-size:17px; }
  .public-paper .legal-content { font-size:16px; }
  .public-paper .legal-table td:first-child { white-space:normal; }
  .public-paper .contact-form-section { padding:22px 18px; border-radius:22px; }
  .public-paper .site-footer { gap:4px 18px; padding:18px 20px; }
  .public-paper .site-footer nav { width:100%; margin-left:0; gap:4px 18px; }
  .public-paper .auth-shell { margin-block:32px; }
  .public-paper .auth-card { padding:24px 20px 22px; border-radius:22px; }
}
@media(prefers-reduced-motion:reduce) { .public-paper * { scroll-behavior:auto!important; transition:none!important; } }