:root{color-scheme:light;--ink:#0d2b36;--ink-soft:#2e4f5d;--muted:#5e7480;--faint:#8fa3ad;--paper:#fafbfc;--mist:#f1f4f6;--card:#fff;--line:#0d2b361a;--line-strong:#0d2b3633;--night:#04121a;--night-soft:#0a2230;--moon:#eaf4f6;--moon-dim:#9fbeca;--glow:#6fe7e0;--glow-dim:#6fe7e059;--glass:#fafbfcb8;--shadow-lg:0 32px 80px #0d2b3629;--shadow-md:0 12px 40px #0d2b361a;--shadow-sm:0 2px 12px #0d2b360f;--panel:#0d2b36;--hover-bg:#0d2b360f;--btn-hover:#16404f;--hl-ink:#07343a;--hl-bg:#6fe7e057;--mnet-rule:#0f5f6b;--mnet-halo:0 1px 7px #f1f4f6f2, 0 0 14px #f1f4f6cc;--cap-bg:#ffffffb3;--cap-shadow:inset 0 0 0 1.4px #ffffffdb, 0 0 0 .8px #0d2b361a, 0 3px 12px #0d2b360d, 0 5px 26px #0d2b360f, 0 10px 54px #0d2b360b, 0 5px 26px #ffffff29;--cap-sheen:#ffffff61;--cap-badge:#0d2b369e;--cap-meter:#3c3c4399;--cap-meter-glow:0 0 3px #ffffffd9, 0 0 8px #ffffff80;--max:clamp(1120px, 76vw, 1400px);--max-text:720px;--radius-card:20px;--radius-window:14px;--radius-pill:999px;--ease:cubic-bezier(.25, .1, .25, 1);--ease-out:cubic-bezier(.16, 1, .3, 1)}html[data-theme=dark]{color-scheme:dark;--ink:#e8f2f5;--ink-soft:#c3d6dd;--muted:#93aeba;--faint:#64808c;--paper:#081c26;--mist:#0c2431;--card:#102b3a;--line:#e8f2f51a;--line-strong:#e8f2f53d;--glass:#081c26b8;--shadow-lg:0 32px 80px #020a0f99;--shadow-md:0 12px 40px #020a0f73;--shadow-sm:0 2px 12px #020a0f59;--panel:#0e2c3c;--hover-bg:#e8f2f514;--btn-hover:#fff;--hl-ink:#bff2ec;--hl-bg:#6fe7e02b;--mnet-rule:#9ecfd2;--mnet-halo:0 1px 7px #04121ae6, 0 0 14px #04121ab3;--cap-bg:#0d222ea8;--cap-shadow:inset 0 0 0 1.4px #e8f2f524, 0 0 0 .8px #0000006b, 0 3px 12px #0000004d, 0 5px 26px #0000003d, 0 10px 54px #0003, 0 5px 26px #6fe7e00d;--cap-sheen:#ffffff12;--cap-badge:#e8f2f58c;--cap-meter:#d6ebf09e;--cap-meter-glow:0 0 3px #04121ae6, 0 0 8px #04121a8c}html[data-theme=dark] #ctx-cards>div,html[data-theme=dark] #stack-left 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.subhead{margin-top:20px}.skip-link{z-index:200;color:var(--paper);background:var(--ink);border-radius:var(--radius-pill);transition:transform .16s var(--ease);padding:10px 14px;position:fixed;top:12px;left:12px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px}.button{letter-spacing:-.01em;border-radius:var(--radius-pill);cursor:pointer;transition:transform .12s var(--ease), background-color .16s var(--ease), box-shadow .16s var(--ease);border:0;justify-content:center;align-items:center;gap:8px;padding:14px 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