:root{color-scheme:light;--bg:#f4f4f2;--bg-soft:#ebebe7;--text:#1c1d20;--muted:#565961;--card:#ffffff;--border:#d6d6d1;--shadow:0 1px 2px rgba(20,22,28,0.05),0 6px 18px rgba(20,22,28,0.04);--accent:#2b4c8c;--accent-strong:#213c71;--accent-soft:#e4eaf5;--on-accent:#ffffff;--danger:#9b3227;--danger-soft:#f7e3df;--ok:#2a6439;--ok-soft:#e0efe3;--hover:#ececea;--ring:#2b4c8c;--side:#1d1f24;--side-text:#d3d5da;--side-muted:#a0a4ad;--side-hover:rgba(255,255,255,0.07);--side-active:#f1f2f4;--side-active-text:#1d1f24;--side-ring:#b9cbf0}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#131417;--bg-soft:#0e0f11;--text:#ececee;--muted:#a6a9b1;--card:#1c1d21;--border:#33353c;--shadow:none;--accent:#93b2ec;--accent-strong:#adc5f2;--accent-soft:#232c3d;--on-accent:#10131a;--danger:#f0a094;--danger-soft:#3a2421;--ok:#93d2a2;--ok-soft:#1f3226;--hover:#26272c;--ring:#93b2ec;--side:#0d0e10;--side-text:#c9ccd2;--side-muted:#9094a0;--side-hover:rgba(255,255,255,0.06);--side-active:#262a33;--side-active-text:#eef0f4;--side-ring:#93b2ec}}:root[data-theme=dark]{color-scheme:dark;--bg:#131417;--bg-soft:#0e0f11;--text:#ececee;--muted:#a6a9b1;--card:#1c1d21;--border:#33353c;--shadow:none;--accent:#93b2ec;--accent-strong:#adc5f2;--accent-soft:#232c3d;--on-accent:#10131a;--danger:#f0a094;--danger-soft:#3a2421;--ok:#93d2a2;--ok-soft:#1f3226;--hover:#26272c;--ring:#93b2ec;--side:#0d0e10;--side-text:#c9ccd2;--side-muted:#9094a0;--side-hover:rgba(255,255,255,0.06);--side-active:#262a33;--side-active-text:#eef0f4;--side-ring:#93b2ec}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}.serif,h1,h2{font-family:Fraunces,Georgia,serif;font-weight:500;letter-spacing:-.01em;line-height:1.15}h1{font-size:clamp(28px,4vw,36px)}h2{font-size:21px}a{color:var(--accent)}button{font:inherit;cursor:pointer}input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--ring);outline-offset:2px}.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--card);color:var(--text);border:2px solid var(--ring);border-radius:10px;padding:10px 14px;font-weight:600}.skip-link:focus{top:12px}.muted{color:var(--muted)}.kicker,.small{font-size:14px}.kicker{font-weight:600;color:var(--muted)}.stack>*+*{margin-top:14px}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.shell{display:flex;min-height:100vh;overflow-x:clip}.sidebar{width:240px;flex-shrink:0;padding:20px 12px 16px;display:flex;flex-direction:column;gap:2px;position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow-y:auto;background:var(--side);color:var(--side-text)}.side-brand{display:flex;align-items:center;gap:10px;padding:0 8px 14px}.side-mark{width:36px;height:36px;border-radius:10px;flex-shrink:0}.side-kicker{font-size:14px;font-weight:600;color:var(--side-muted)}.side-title{font-family:Fraunces,Georgia,serif;font-size:21px;font-weight:500;color:#fff;line-height:1.1}.nav-section{padding:16px 12px 6px;font-size:14px;font-weight:600;color:var(--side-muted)}.nav-item{display:flex;align-items:center;min-height:44px;padding:8px 12px;border-radius:10px;color:var(--side-text);font-weight:500;font-size:15px;text-decoration:none}.nav-item:hover{background:var(--side-hover);color:#fff}.nav-item.active{background:var(--side-active);color:var(--side-active-text);font-weight:600}.sidebar :focus-visible{outline-color:var(--side-ring)}.drawer-close{display:none}.col{flex:1 1;min-width:0;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:8px;padding:10px 28px;position:-webkit-sticky;position:sticky;top:0;z-index:40;background:var(--bg);border-bottom:1px solid var(--border)}.topbar .spacer{flex:1 1}.menu-btn{display:none}.icon-btn{min-width:44px;height:44px;border-radius:10px;border:1px solid var(--border);background:var(--card);color:var(--text);display:inline-grid;place-items:center;font-size:16px;padding:0 10px}.icon-btn:hover{background:var(--hover)}.main{padding:26px 28px 60px;max-width:1080px;width:100%}.pagehead{margin-bottom:22px}.pagehead .sub{color:var(--muted);margin-top:6px;max-width:640px}.menu{position:relative}.menu>summary{list-style:none;cursor:pointer}.menu>summary::-webkit-details-marker{display:none}.menu-panel{position:absolute;top:calc(100% + 6px);z-index:70;width:270px;max-width:calc(100vw - 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