:root{--room:#101318;--room-deep:#0a0c10;--room-edge:#1e242d;--room-rule:#2b333e;--room-veil:#101318d1;--room-tint:#ffffff0b;--room-tint-soft:#ffffff06;--room-glow:#1a2029;--film:#e9eef3;--film-dim:#cfd8e1;--film-ink:#171c23;--film-muted:#5d6a78;--beam:#ffb454;--beam-soft:#ffb45429;--beam-lift:#ffc271;--beam-line:#ffb45459;--beam-on:#201403;--mastered:#45c98a;--flagged:#e8b93a;--learning:#6ba8e0;--unstudied:#8d9aa8;--miss:#ff6b5e;--text:#dbe3ec;--text-dim:#8593a3;--ink-strong:#e9eef3;--mark-edge:#e9eef38c;--radius:3px;--shell:1180px;--shadow-film:0 0 0 1px #ffffff0f, 0 24px 60px -20px #000000d9, 0 0 80px -30px #bed7f040;--shadow-pop:0 18px 40px -16px #000000e6;--sans:"IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;--mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, monospace;--display:"Archivo", var(--sans)}:root[data-theme=light]{--room:#fff;--room-deep:#eef1f5;--room-edge:#dbe1e9;--room-rule:#c2ccd8;--room-veil:#ffffffdb;--room-tint:#171c230b;--room-tint-soft:#171c2307;--room-glow:#fff;--film:#fff;--film-dim:#eef2f6;--beam:#c47a12;--beam-soft:#c47a1221;--beam-lift:#a9670a;--beam-line:#c47a1266;--beam-on:#fff;--mastered:#17835a;--flagged:#9a7300;--learning:#2a6dab;--unstudied:#6b7684;--miss:#c4342a;--text:#1b2129;--text-dim:#5a6673;--ink-strong:#10151b;--mark-edge:#1b212973;--shadow-film:0 0 0 1px #171c2317, 0 18px 40px -22px #171c2366;--shadow-pop:0 18px 40px -18px #171c2359}:root[data-theme=light] .nav-link.is-active{color:var(--room);background:var(--text)}*,:before,:after{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--room-deep);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;margin:0;font-size:15px;line-height:1.55}body:before{content:"";pointer-events:none;background:radial-gradient(120% 80% at 50% -10%, var(--room-glow) 0%, var(--room-deep) 62%);z-index:-1;position:fixed;inset:0}h1,h2,h3{font-family:var(--display);letter-spacing:-.015em;margin:0;font-weight:700}button{font:inherit;color:inherit}a{color:inherit}:focus-visible{outline:2px solid var(--beam);outline-offset:2px}.shell{flex-direction:column;min-height:100%;display:flex}.masthead{border-bottom:1px solid var(--room-edge);background:var(--room-veil);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:20;position:sticky;top:0}.masthead-inner{max-width:var(--shell);align-items:center;gap:28px;min-height:60px;margin:0 auto;padding:6px 20px;display:flex;position:relative}.wordmark{flex-shrink:0;align-items:baseline;gap:9px;text-decoration:none;display:flex}.wordmark-key{font-family:var(--display);letter-spacing:.16em;color:var(--ink-strong);border:1px solid var(--mark-edge);border-radius:2px;padding:4px 8px;font-size:14px;font-weight:700;transition:border-color .14s,color .14s}.wordmark:hover .wordmark-key{border-color:var(--beam);color:var(--beam)}.wordmark-name{font-family:var(--display);letter-spacing:-.01em;color:var(--ink-strong);font-size:17px;font-weight:700}.nav{flex-wrap:wrap;justify-content:flex-end;gap:2px;min-width:0;margin-left:auto;display:flex}@media (width<=900px){.wordmark-name{display:none}}@media (width<=640px){.masthead-inner{gap:10px;height:auto;min-height:0;padding:8px 14px}.nav{flex-wrap:nowrap;justify-content:flex-end;margin-left:auto}.theme-option{padding:5px 6px}}.theme-toggle{border:1px solid var(--room-edge);border-radius:var(--radius);flex-shrink:0;display:flex;overflow:hidden}.theme-option{cursor:pointer;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);background:0 0;border:0;padding:5px 8px;font-size:10px;transition:background .12s,color .12s}.theme-option+.theme-option{border-left:1px solid var(--room-edge)}.theme-option:hover{color:var(--text)}.theme-option.is-on{background:var(--room-edge);color:var(--text)}.nav-link{border-radius:var(--radius);color:var(--text-dim);white-space:nowrap;padding:7px 12px;font-size:13px;font-weight:500;text-decoration:none}.nav-link:hover{color:var(--text);background:var(--room-edge)}.nav-link.is-active{color:var(--room-deep);background:var(--film-dim)}.nav-group{flex-shrink:0;position:relative}.nav-trigger{cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;font-family:inherit;display:inline-flex}.nav-caret{opacity:.65;border-top:4px solid;border-left:3.5px solid #0000;border-right:3.5px solid #0000;width:0;height:0;transition:transform .12s}.nav-trigger.is-open .nav-caret{transform:rotate(180deg)}.nav-trigger.is-open:not(.is-active){color:var(--text);background:var(--room-edge)}.nav-menu{z-index:30;background:var(--room);border:1px solid var(--room-rule);border-radius:var(--radius);min-width:260px;box-shadow:var(--shadow-pop);flex-direction:column;gap:2px;padding:6px;display:flex;position:absolute;top:calc(100% + 7px);left:0}.nav-menu-item{text-align:left;border-radius:var(--radius);cursor:pointer;background:0 0;border:0;flex-direction:column;gap:3px;padding:9px 10px;display:flex}.nav-menu-item:hover{background:var(--room-edge)}.nav-menu-item.is-active .nav-menu-label{color:var(--beam)}.nav-menu-label{color:var(--ink-strong);font-size:13px;font-weight:600}.nav-menu-blurb{color:var(--text-dim);font-size:12px;line-height:1.4}.main{max-width:var(--shell);flex:1;width:100%;margin:0 auto;padding:36px 20px 80px}.eyebrow{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim);margin:0 0 10px;font-size:11px}.page-title{color:var(--ink-strong);text-wrap:balance;font-size:clamp(28px,4.4vw,44px);line-height:1.05}.page-lede{color:var(--text-dim);text-wrap:pretty;margin:12px 0 0}.section-title{letter-spacing:.02em;color:var(--ink-strong);margin-bottom:12px;font-size:15px}.panel{background:var(--room);border:1px solid var(--room-edge);border-radius:var(--radius);padding:20px}.film{background-color:var(--film);background-image:linear-gradient(168deg, #f3f7fa 0%, var(--film) 40%, #dbe3ea 100%);color:var(--film-ink);border-radius:var(--radius);box-shadow:var(--shadow-film);position:relative;overflow:hidden}.film:after{content:"";pointer-events:none;background:linear-gradient(#ffffff80 0%,#0000 30%);position:absolute;inset:0}@media (prefers-reduced-motion:no-preference){.film-warm-up{animation:.34s ease-out warm-up}}@keyframes warm-up{0%{opacity:0;filter:brightness(.55);transform:translateY(6px)}to{opacity:1;filter:brightness();transform:none}}.id-plate{background:var(--film-ink);color:var(--film);z-index:1;align-items:center;gap:14px;padding:14px 20px;display:flex;position:relative}.id-plate-marker{font-family:var(--display);letter-spacing:.08em;background:var(--film);color:var(--film-ink);border-radius:2px;flex-shrink:0;padding:2px 8px;font-size:15px;font-weight:700}.id-plate-label{font-family:var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--film-muted);font-size:10px}.id-plate-value{font-family:var(--display);letter-spacing:-.01em;font-size:clamp(17px,2.6vw,23px);font-weight:700;line-height:1.15}.id-plate-meta{font-family:var(--mono);color:var(--film-muted);text-align:right;flex-shrink:0;margin-left:auto;font-size:11px}.id-plate .btn{color:var(--film);border-color:#e9eef366}.id-plate .btn:hover:not(:disabled){color:#ffb454;border-color:#ffb454}.hero{background:var(--room);border:1px solid var(--room-edge);border-radius:var(--radius);overflow:hidden}.hero-plate{padding:11px 24px}.hero-body{z-index:1;padding:30px 24px 32px;position:relative}.hero-tagline{font-family:var(--display);letter-spacing:-.015em;color:var(--ink-strong);text-wrap:balance;margin:0 0 18px;font-size:clamp(28px,4.4vw,44px);font-weight:700;line-height:1.05}.hero-lede{color:var(--text-dim);text-wrap:pretty;margin:0 0 12px}.hero-actions{margin-top:20px}@media (width<=640px){.hero .id-plate{flex-wrap:wrap}.hero .id-plate-meta{text-align:left;flex-basis:100%;margin-left:0}}.pill{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;white-space:nowrap;border:1px solid;border-radius:2px;align-items:center;gap:6px;padding:3px 8px;font-size:10px;display:inline-flex}.pill:before{content:"";background:currentColor;border-radius:50%;width:6px;height:6px}.pill-mastered{color:var(--mastered)}.pill-flagged{color:var(--flagged)}.pill-learning{color:var(--learning)}.pill-unstudied{color:var(--unstudied)}.tally{background:var(--room-edge);border:1px solid var(--room-edge);border-radius:var(--radius);grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;display:grid;overflow:hidden}.tally-cell{background:var(--room);padding:16px 18px}.tally-value{font-family:var(--display);color:var(--ink-strong);font-size:30px;font-weight:700;line-height:1}.tally-label{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--text-dim);margin-top:7px;font-size:10px}.density{background:var(--room-edge);border-radius:2px;height:8px;margin:18px 0 8px;display:flex;overflow:hidden}.density-band{height:100%}.density-legend{font-family:var(--mono);color:var(--text-dim);flex-wrap:wrap;gap:18px;font-size:11px;display:flex}.density-key{align-items:center;gap:6px;display:inline-flex}.btn{border-radius:var(--radius);border:1px solid var(--room-rule);color:var(--text);cursor:pointer;background:0 0;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:13px;font-weight:500;text-decoration:none;transition:background .12s,border-color .12s,color .12s;display:inline-flex}.btn:hover:not(:disabled){border-color:var(--beam);color:var(--beam)}.btn:disabled{opacity:.42;cursor:not-allowed}.btn-primary{background:var(--beam);border-color:var(--beam);color:var(--beam-on);font-weight:600}.btn-primary:hover:not(:disabled){background:var(--beam-lift);border-color:var(--beam-lift);color:var(--beam-on)}.btn-lg{padding:13px 24px;font-size:14px}.btn-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.launch{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;display:grid}.launch-card{text-align:left;background:var(--room);border:1px solid var(--room-edge);border-radius:var(--radius);cursor:pointer;flex-direction:column;gap:7px;padding:18px;transition:border-color .14s,transform .14s;display:flex}.launch-card:hover{border-color:var(--beam);transform:translateY(-2px)}.launch-card-index{font-family:var(--mono);letter-spacing:.16em;color:var(--beam);font-size:10px}.launch-card-title{font-family:var(--display);color:var(--ink-strong);font-size:17px;font-weight:700}.launch-card-body{color:var(--text-dim);font-size:13px;line-height:1.5}.map-group+.map-group{margin-top:24px}.map-group-head{border-bottom:1px solid var(--room-edge);flex-wrap:wrap;align-items:baseline;gap:12px;margin-bottom:12px;padding-bottom:8px;display:flex}.map-group-name{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--ink-strong);font-size:11px}.map-group-purpose{color:var(--text-dim);font-size:12px}.field-grid{z-index:1;background:#171c2324;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;display:grid;position:relative}.field{background:var(--film);flex-direction:column;gap:5px;padding:12px 16px 14px;display:flex}.field-label{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--film-muted);align-items:center;gap:7px;font-size:10px;display:flex}.field-flag{color:#a06d00;letter-spacing:.1em;border:1px solid;border-radius:2px;align-items:center;gap:5px;padding:0 4px;font-size:9px;display:inline-flex}.field-input{font-family:var(--mono);color:var(--film-ink);background:0 0;border:0;border-bottom:1px solid #171c2338;width:100%;padding:5px 0;font-size:14px}.field-input::placeholder{color:#5d6a7899}.field-input:focus{border-bottom-color:#b07a10;outline:none;box-shadow:0 1px #b07a10}.field-value{font-family:var(--mono);color:var(--film-ink);word-break:break-word;font-size:14px}.field-value-none{color:var(--film-muted)}.field-correct{box-shadow:inset 3px 0 0 var(--mastered)}.field-partial{box-shadow:inset 3px 0 0 var(--flagged)}.field-incorrect,.field-blank{box-shadow:inset 3px 0 0 var(--miss)}.field-expected{font-family:var(--mono);color:#8a3b33;align-items:baseline;gap:6px;font-size:12px;display:flex}.field-expected-key{letter-spacing:.14em;text-transform:uppercase;color:var(--film-muted);font-size:9px}.card-body{z-index:1;position:relative}.progress-rail{gap:4px;margin-bottom:20px;display:flex}.progress-tick{background:var(--room-edge);border-radius:2px;flex:1;height:3px}.progress-tick.is-done{background:var(--film-dim)}.progress-tick.is-current{background:var(--beam)}.progress-meter{background:var(--room-edge);border-radius:2px;flex:1;height:3px;overflow:hidden}.progress-meter-fill{background:var(--beam);border-radius:2px;height:100%;transition:width .2s}@media (prefers-reduced-motion:reduce){.progress-meter-fill{transition:none}}.session-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;display:flex}.session-count{font-family:var(--mono);color:var(--text-dim);font-size:12px}.choices{gap:8px;margin-top:14px;display:grid}.choice{background:var(--room);border:1px solid var(--room-edge);border-radius:var(--radius);cursor:pointer;text-align:left;font-family:var(--mono);align-items:center;gap:12px;padding:13px 16px;font-size:13px;transition:border-color .12s;display:flex}.choice:hover:not(:disabled){border-color:var(--room-rule)}.choice-key{letter-spacing:.1em;color:var(--text-dim);border:1px solid var(--room-rule);border-radius:2px;flex-shrink:0;padding:1px 6px;font-size:10px}.choice.is-selected{border-color:var(--beam);background:var(--beam-soft);color:var(--beam)}.choice.is-selected .choice-key{border-color:var(--beam);color:var(--beam)}.choice.is-correct{border-color:var(--mastered);color:var(--mastered)}.choice.is-wrong{border-color:var(--miss);color:var(--miss)}.choice:disabled{cursor:default}.answer-line{width:100%;font-family:var(--mono);color:var(--text);border:0;border-bottom:1px solid var(--room-rule);background:0 0;padding:10px 2px;font-size:16px}.answer-line::placeholder{color:var(--text-dim)}.answer-line:focus{border-bottom-color:var(--beam);box-shadow:0 1px 0 0 var(--beam);outline:none}.answer-line:disabled{color:var(--text-dim)}.answer-reveal{font-family:var(--mono);color:var(--mastered);align-items:baseline;gap:8px;margin:10px 0 0;font-size:13px;display:flex}.verdict{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;margin:0;font-size:12px}.verdict-correct{color:var(--mastered)}.verdict-partial{color:var(--flagged)}.verdict-incorrect,.verdict-blank{color:var(--miss)}.field-select{font-family:var(--mono);color:var(--film-ink);background:#fff9;border:1px solid #171c2338;border-radius:2px;width:100%;max-width:100%;padding:6px 8px;font-size:13px}.field-select:focus{border-color:#b07a10;outline:none;box-shadow:0 0 0 1px #b07a10}.field-select:disabled{color:var(--film-ink);appearance:none;opacity:1;background:0 0;border-color:#0000;padding-left:0}.roster{border-collapse:collapse;width:100%;font-size:13px}.roster th{text-align:left;font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);border-bottom:1px solid var(--room-edge);padding:0 12px 10px;font-size:10px;font-weight:400}.roster td{border-bottom:1px solid var(--room-edge);vertical-align:top;padding:11px 12px}.roster tr:hover td{background:var(--room-tint-soft)}.roster-name{color:var(--ink-strong);cursor:pointer;text-align:left;background:0 0;border:0;padding:0;font-size:13px;font-weight:500}.roster-name:hover{color:var(--beam)}.roster-mono{font-family:var(--mono);color:var(--text-dim);font-size:12px}.roster-none{color:var(--film-muted)}.roster-pinned th:first-child,.roster-pinned td:first-child{z-index:1;background:var(--room-deep);box-shadow:1px 0 0 var(--room-edge);position:sticky;left:0}.roster-pinned tr:hover td:first-child{background:var(--room)}.table-scroll{overflow-x:auto}.filters{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px;display:flex}.input,.select{font-family:var(--sans);background:var(--room);border:1px solid var(--room-edge);border-radius:var(--radius);color:var(--text);min-width:0;padding:9px 12px;font-size:13px}.input:focus,.select:focus{border-color:var(--beam);outline:none}.input{flex:1;min-width:200px}.field-set{flex-wrap:wrap;gap:6px;display:flex}.toggle{border-radius:var(--radius);border:1px solid var(--room-edge);color:var(--text-dim);cursor:pointer;background:0 0;padding:7px 13px;font-size:12px}.toggle:hover{color:var(--text)}.toggle.is-on{border-color:var(--beam);color:var(--beam);background:var(--beam-soft)}.prep-list{border-top:1px solid var(--room-edge);margin:0;padding:0;list-style:none}.prep-item{border-bottom:1px solid var(--room-edge);align-items:baseline;gap:16px;padding:13px 4px;display:flex}.prep-index{font-family:var(--mono);color:var(--beam);flex-shrink:0;font-size:11px}.prep-label{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--text-dim);font-size:10px;display:block}.prep-prompt{font-family:var(--display);color:var(--ink-strong);font-size:17px;font-weight:600;line-height:1.25}.clock{font-family:var(--display);color:var(--ink-strong);font-variant-numeric:tabular-nums;font-size:46px;font-weight:700;line-height:1}.clock-low,.count-low{color:var(--miss)}.notes-area{resize:vertical;width:100%;min-height:220px;font-family:var(--mono);color:var(--text);background:var(--room);border:1px solid var(--room-edge);border-radius:var(--radius);background-image:repeating-linear-gradient(transparent, transparent 21px, var(--room-edge) 21px, var(--room-edge) 22px);background-attachment:local;padding:14px 16px;font-size:13px;line-height:1.7}.notes-area:focus{border-color:var(--beam);outline:none}.notes-area-compact{min-height:130px}.notes-dock{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.score-hero{flex-wrap:wrap;align-items:baseline;gap:16px;display:flex}.score-value{font-family:var(--display);color:var(--ink-strong);letter-spacing:-.03em;font-size:clamp(56px,12vw,104px);font-weight:700;line-height:.85}.score-unit{font-family:var(--display);color:var(--text-dim);font-size:24px}.stack{flex-direction:column;gap:18px;display:flex}.stack-lg{flex-direction:column;gap:34px;display:flex}.split{grid-template-columns:1fr 300px;align-items:start;gap:22px;display:grid}@media (width<=860px){.split{grid-template-columns:1fr}}.note{color:var(--text-dim);font-size:13px;line-height:1.55}.note-mono{font-family:var(--mono);font-size:12px}.divider{background:var(--room-edge);border:0;height:1px;margin:0}.empty{text-align:center;color:var(--text-dim);padding:40px 20px;font-size:14px}.error{border-left:3px solid var(--miss);border-radius:var(--radius);background:#ff6b5e12;padding:14px 16px;font-size:13px}.miss-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.miss-row{align-items:center;gap:10px;font-size:13px;display:flex}.miss-bar{background:var(--flagged);border-radius:2px;min-width:3px;height:6px}.miss-count{font-family:var(--mono);color:var(--text-dim);margin-left:auto;font-size:11px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.toggle-check{align-items:center;gap:8px;display:inline-flex}.check-box{opacity:.75;border:1px solid;border-radius:2px;justify-content:center;align-items:center;width:14px;height:14px;font-size:10px;line-height:1;display:inline-flex}.field-override{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--film-muted);cursor:pointer;background:0 0;border:1px solid #171c2340;border-radius:2px;align-self:flex-start;margin-top:4px;padding:3px 8px;font-size:10px}.field-override:hover{color:#2f7d55;border-color:#2f7d55}.field-flag-ok{color:#2f7d55}.steps{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;display:grid}.step{border-left:2px solid var(--room-rule);flex-direction:column;gap:7px;padding:18px;display:flex}.step-index{font-family:var(--mono);letter-spacing:.16em;color:var(--beam);font-size:10px}.step-title{font-family:var(--display);color:var(--ink-strong);font-size:16px;font-weight:700}.step-body{color:var(--text-dim);font-size:13px;line-height:1.55}.prose p,.prose dd,.prose li{max-width:74ch}.prose p{color:var(--text);margin:0 0 12px}.prose p:last-child{margin-bottom:0}.prose strong{color:var(--ink-strong);font-weight:600}.prose em{color:var(--ink-strong);border-bottom:1px dotted var(--room-rule);font-style:normal}.prose code{font-family:var(--mono);color:var(--text);background:var(--room-tint);border:1px solid var(--room-edge);overflow-wrap:break-word;border-radius:2px;padding:1px 5px;font-size:12.5px}.rules{flex-direction:column;gap:9px;margin:0 0 12px;padding-left:18px;display:flex}.rules li{color:var(--text-dim);line-height:1.6}.rules li::marker{color:var(--beam)}.define{margin:0 0 12px}.define dt{font-family:var(--display);color:var(--ink-strong);align-items:center;gap:8px;margin-top:14px;font-size:15px;font-weight:700;display:flex}.define dt:first-child{margin-top:0}.define dd{color:var(--text-dim);margin:4px 0 0;font-size:14px;line-height:1.6}.link{font:inherit;color:var(--beam);cursor:pointer;border:0;border-bottom:1px solid var(--beam-line);background:0 0;padding:0}.link:hover{border-bottom-color:var(--beam)}.colophon{max-width:var(--shell);border-top:1px solid var(--room-edge);width:100%;font-family:var(--mono);letter-spacing:.06em;color:var(--text-dim);flex-wrap:wrap;align-items:center;gap:16px;margin:0 auto;padding:18px 20px 28px;font-size:11px;display:flex}.colophon 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