:root{color-scheme:dark;--bg:#090e19;--side:#0d1423;--panel:#111b2d;--line:#273349;--text:#eaf0fa;--muted:#91a2bc;--accent:#f7b548;--mint:#56d9b1}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 Inter,ui-sans-serif,system-ui,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.app{min-height:100vh;display:grid;grid-template-columns:252px minmax(0,1fr)}.sidebar{background:var(--side);border-right:1px solid var(--line);padding:25px 15px;position:sticky;top:0;height:100vh;overflow:auto}.brand{display:flex;align-items:center;gap:11px;padding:2px 10px 27px;font-size:22px;font-weight:850;letter-spacing:-.8px}.brandmark{background:var(--accent);color:#101621;border-radius:12px;width:38px;height:38px;display:grid;place-items:center;font-size:23px;transform:rotate(-7deg)}.brand em{font-style:normal;color:var(--accent)}.brand 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var(--accent);outline-offset:3px}@media(max-width:1150px){.two-col{grid-template-columns:1fr}.aside{display:grid;grid-template-columns:1fr 1fr;gap:15px}.aside-foot{grid-column:1/-1}}@media(max-width:850px){.app{grid-template-columns:1fr}.sidebar{display:none;position:fixed;z-index:15;width:260px;box-shadow:0 0 0 100vw #0009}.sidebar.open{display:block}.mobilemenu{display:block}.layout{padding:24px 16px}.topbar{padding:0 15px}.heading h1{font-size:25px}}@media(max-width:550px){.heading{flex-wrap:wrap}.announcement{align-items:flex-start;flex-wrap:wrap}.announcement>a{margin-left:38px}.board{grid-template-columns:36px minmax(0,1fr) 18px}.boardmeta{display:none}.aside{grid-template-columns:1fr}.topic{grid-template-columns:34px minmax(0,1fr) 45px}.topic .board-arrow{display:none}.auth-actions{gap:4px}.btn.sm{padding:7px;font-size:11px}.search-submit{display:none}.search{padding:8px}.topbar{gap:7px}}
/* Navigation and keyboard affordances */
.skip-link{position:fixed;left:12px;top:-100px;background:var(--accent);color:#171c27;padding:12px;z-index:30;font-weight:750}.skip-link:focus{top:12px}.sidebar-close,.menu-backdrop{display:none}.board,.topic,.nav,.announcement,.asidecard{overflow-wrap:anywhere}.btn,.iconbtn,.nav,.search-submit{min-height:44px}.search input{font-size:16px}.search input::placeholder{color:#a8b7ca;opacity:1}@media(max-width:850px){.sidebar-close{display:block;float:right;border:1px solid var(--line);background:#182439;color:var(--text);border-radius:9px;min-width:44px;min-height:44px;font-size:24px}.menu-backdrop:not([hidden]){display:block;position:fixed;inset:0;background:#000a;border:0;z-index:14}.sidebar.open{box-shadow:none}}@media(max-width:550px){.btn.sm{font-size:12px;min-height:44px;padding:8px}.topbar{height:auto;min-height:78px;flex-wrap:wrap;padding-block:10px}.search{order:3;flex-basis:100%;max-width:none}.auth-actions{margin-left:auto}}
/* Content-driven reflow for touch, zoom, and narrow screens. */
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/* Keep related content close and separate the primary feed from supporting information. */
:root{--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px}
.layout{max-width:1440px}.heading{margin-bottom:var(--space-8)}.two-col{gap:var(--space-6);align-items:start}.panel{margin-bottom:var(--space-6)}.panelhead{padding:var(--space-5) var(--space-6)}.board,.topic{padding-inline:var(--space-6)}.asidecard{padding:var(--space-6)}.asidecard h2{margin-block:var(--space-2) var(--space-3)}.asidecard p{margin-block:0 var(--space-4)}.empty{padding:var(--space-8) var(--space-6)}@media(max-width:550px){.heading{gap:var(--space-4);margin-bottom:var(--space-6)}.panelhead,.board,.topic,.asidecard{padding-inline:var(--space-4)}.two-col{gap:var(--space-4)}.panel{margin-bottom:var(--space-4)}}