:root{--ink: #18212b;--ink-soft: #2c3742;--paper: #f1f0ea;--card: #fbfaf6;--accent: #2f6e63;--accent-deep: #1f4a43;--line: #d7d3c8;--line-strong: #b9b4a6;--muted: #6b6a60;--danger: #9c3b2e;--font-display: "Fraunces", Georgia, "Times New Roman", serif;--font-body: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;--maxw: 50rem;--radius: 2px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6;font-feature-settings:"ss01";-webkit-font-smoothing:antialiased}a{color:var(--accent-deep);text-decoration:none;border-bottom:1px solid color-mix(in srgb,var(--accent) 35%,transparent);transition:border-color .15s ease}a:hover{border-bottom-color:var(--accent)}.shell{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem}.topbar{border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper) 80%,white);position:sticky;top:0;z-index:10;backdrop-filter:saturate(1.2) blur(4px)}.topbar-inner{max-width:var(--maxw);margin:0 auto;padding:.9rem 1.5rem;display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.brand{font-family:var(--font-mono);font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);border:none}.brand b{color:var(--accent-deep)}.nav{display:flex;align-items:baseline;gap:1.1rem;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.04em}.nav a{border:none;color:var(--muted)}.nav a:hover{color:var(--ink)}main{padding:3rem 0 5rem}h1,h2,h3{font-family:var(--font-display);font-weight:460;line-height:1.12;letter-spacing:-.01em;color:var(--ink)}h1{font-size:clamp(2rem,5vw,2.9rem);margin:0 0 .4rem}.eyebrow{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-deep);margin:0 0 1rem}.lede{font-size:1.08rem;color:var(--ink-soft);max-width:38rem}.muted{color:var(--muted)}.mono{font-family:var(--font-mono)}.catalog{list-style:none;margin:2.5rem 0 0;padding:0;border-top:1px solid var(--line)}.card{display:block;border-bottom:1px solid var(--line);padding:1.4rem .25rem 1.5rem;color:inherit;border-left:none;border-right:none;border-top:none;position:relative;transition:padding-left .18s ease,background .18s ease}a.card:hover{padding-left:.9rem;background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 7%,transparent),transparent 60%)}a.card:hover:before{content:"";position:absolute;left:0;top:1.4rem;bottom:1.5rem;width:2px;background:var(--accent)}.card-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.callno{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}.card h2{font-size:1.45rem;margin:.15rem 0 .35rem}.card p{margin:0;color:var(--ink-soft)}.lock{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;color:var(--accent-deep);white-space:nowrap}.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.75rem;max-width:27rem}label{display:block;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:1rem 0 .35rem}input,select{width:100%;padding:.65rem .7rem;font-family:var(--font-body);font-size:.98rem;color:var(--ink);background:var(--paper);border:1px solid var(--line-strong);border-radius:var(--radius)}input:focus,select:focus{outline:2px solid color-mix(in srgb,var(--accent) 55%,transparent);outline-offset:1px;border-color:var(--accent)}button,.btn{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--card);background:var(--accent-deep);border:1px solid var(--accent-deep);border-radius:var(--radius);padding:.7rem 1.1rem;cursor:pointer;transition:background .15s ease}button:hover,.btn:hover{background:var(--accent)}button:disabled{opacity:.55;cursor:not-allowed}button.ghost{background:transparent;color:var(--accent-deep)}button.ghost:hover{background:color-mix(in srgb,var(--accent) 10%,transparent)}.row{display:flex;gap:.6rem;align-items:center;margin-top:1.4rem;flex-wrap:wrap}.notice{font-size:.9rem;padding:.7rem .85rem;border-radius:var(--radius);margin-top:1rem}.notice.error{color:var(--danger);background:color-mix(in srgb,var(--danger) 9%,transparent);border:1px solid color-mix(in srgb,var(--danger) 30%,transparent)}.notice.ok{color:var(--accent-deep);background:color-mix(in srgb,var(--accent) 10%,transparent);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent)}.prose{margin-top:1.5rem;animation:fade .3s ease both}.prose h1{font-size:clamp(1.8rem,4vw,2.4rem)}.prose h2{font-size:1.5rem;margin-top:2rem}.prose code{font-family:var(--font-mono);font-size:.86em;background:color-mix(in srgb,var(--ink) 7%,transparent);padding:.1em .35em;border-radius:2px}.prose pre{background:var(--ink);color:#e8e6df;padding:1rem;border-radius:var(--radius);overflow-x:auto}.prose pre code{background:none;padding:0}.meta-line{font-family:var(--font-mono);font-size:.72rem;color:var(--muted);letter-spacing:.05em;margin-top:2.5rem;padding-top:1rem;border-top:1px solid var(--line)}.invite-list{list-style:none;padding:0;margin:1.5rem 0 0;border-top:1px solid var(--line)}.invite-list li{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 0;border-bottom:1px solid var(--line);font-size:.92rem}.invite-list .mono{font-size:.82rem}.center-narrow{max-width:27rem}@keyframes fade{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}