:root{--bg:#f6f7f9;--card:#fff;--ink:#1b1f24;--muted:#5b6470;--line:#dde1e6;--brand:#1d3557;--accent:#2a6fdb;--ok:#1f8a4c;--okbg:#e6f5ec;--bad:#c0392b;--badbg:#fbeaea;--warn:#a86b00;--warnbg:#fff4dd;--gold:#f1c453;--r:12px}
@media (prefers-color-scheme:dark){:root{--bg:#0f1318;--card:#171c22;--ink:#e7eaee;--muted:#9aa4af;--line:#2a313a;--brand:#9ec1ff;--accent:#7fb0ff;--ok:#5fd08f;--okbg:#14301f;--bad:#ff8a80;--badbg:#3a1b1b;--warn:#ffc65c;--warnbg:#3a2d10}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
.top{position:sticky;top:0;z-index:5;background:var(--brand);color:#fff;display:flex;flex-wrap:wrap;align-items:center;gap:.25rem 1rem;padding:.6rem 1rem}
@media (prefers-color-scheme:dark){.top{background:#14243b}}
.brand{color:#fff;text-decoration:none;font-weight:800;letter-spacing:.02em}
.brand span{color:var(--gold)}
nav{display:flex;gap:.2rem;flex-wrap:wrap}
nav a{color:#dfe7f3;text-decoration:none;padding:.3rem .6rem;border-radius:8px;font-size:.95rem}
nav a.on{background:rgba(255,255,255,.16);color:#fff}
nav{flex:1;align-items:center}
nav .nav-logout{margin-left:auto;background:transparent;color:#dfe7f3;border:1px solid rgba(255,255,255,.35);border-radius:8px;padding:.3rem .7rem;font:inherit;font-size:.95rem;cursor:pointer}
nav .nav-logout:hover,nav .nav-logout:focus-visible{background:rgba(255,255,255,.16);color:#fff}
main{max-width:860px;margin:0 auto;padding:1rem 1rem 4rem;outline:none}
h1{font-size:1.5rem;margin:.6rem 0 .4rem;line-height:1.25}
h2{font-size:1.15rem;margin:1.4rem 0 .5rem}
h3{font-size:1rem;margin:1rem 0 .3rem}
.muted{color:var(--muted)}
.small{font-size:.88rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1rem;margin:.75rem 0}
.card.hl{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.grid{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.btn{display:inline-block;border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:10px;padding:.6rem 1rem;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;min-height:44px}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.small{padding:.3rem .7rem;min-height:34px;font-size:.9rem}
.btn:disabled{opacity:.45;cursor:not-allowed}
.row{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.spread{justify-content:space-between}
.pill{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.03em;text-transform:uppercase;padding:.1rem .5rem;border-radius:99px;background:var(--line);color:var(--muted)}
.pill.complete{background:var(--okbg);color:var(--ok)}
.pill.partial{background:var(--warnbg);color:var(--warn)}
.pill.review{background:#e7efff;color:#2456b3}
.pill.new{background:var(--okbg);color:var(--ok)}
.pill.reinforce{background:var(--warnbg);color:var(--warn)}
@media (prefers-color-scheme:dark){.pill.review{background:#1b2b47;color:#9ec1ff}}
.choices{display:grid;gap:.5rem;margin:.75rem 0}
.choice{text-align:left;border:1.5px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;padding:.7rem .85rem;font:inherit;cursor:pointer;min-height:48px}
.choice:hover{border-color:var(--accent)}
.choice.sel{border-color:var(--accent);background:rgba(42,111,219,.08)}
.choice.right{border-color:var(--ok);background:var(--okbg)}
.choice.wrong{border-color:var(--bad);background:var(--badbg)}
.choice:disabled{cursor:default}
.conf{display:flex;gap:.4rem;flex-wrap:wrap;margin:.5rem 0}
.conf button{flex:1 1 30%;min-width:90px}
.feedback{border-left:5px solid var(--ok);background:var(--okbg);padding:.75rem 1rem;border-radius:8px;margin:.75rem 0}
.feedback.bad{border-color:var(--bad);background:var(--badbg)}
.trap{border-left:5px solid var(--warn);background:var(--warnbg);padding:.6rem 1rem;border-radius:8px;margin:.5rem 0}
.quote{border-left:3px solid var(--gold);padding:.3rem .8rem;margin:.5rem 0;font-family:Georgia,serif;color:var(--ink);background:rgba(241,196,83,.08)}
.cite{font-size:.85rem;color:var(--muted)}
.frame{display:grid;gap:.6rem;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.frame .card{margin:0}
.frame h3{margin:0 0 .3rem;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--accent)}
.bar{height:10px;background:var(--line);border-radius:99px;overflow:hidden}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--ok))}
.big{font-size:2.4rem;font-weight:800;line-height:1}
.steps{counter-reset:s;list-style:none;padding:0;margin:.5rem 0}
.steps li{counter-increment:s;position:relative;padding:.5rem .5rem .5rem 2.4rem;border-bottom:1px dashed var(--line)}
.steps li:before{content:counter(s);position:absolute;left:.2rem;top:.5rem;width:1.6rem;height:1.6rem;border-radius:50%;background:var(--brand);color:#fff;font-size:.8rem;display:grid;place-items:center}
@media (prefers-color-scheme:dark){.steps li:before{background:#2a4a7a}}
.tabs{display:flex;gap:.3rem;overflow-x:auto;padding-bottom:.3rem;margin:.5rem 0}
.tabs button{flex:0 0 auto;border:1px solid var(--line);background:var(--card);color:var(--muted);border-radius:99px;padding:.3rem .8rem;font:inherit;font-size:.85rem;cursor:pointer}
.tabs button.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.tabs button.done:not(.on){color:var(--ok);border-color:var(--ok)}
textarea{width:100%;min-height:140px;font:inherit;padding:.7rem;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink)}
label.check{display:flex;gap:.6rem;align-items:flex-start;padding:.35rem 0;cursor:pointer}
label.check input{margin-top:.3rem;width:1.1rem;height:1.1rem}
.num{display:flex;gap:1rem;align-items:flex-start}
.num .v{flex:0 0 7.5rem;font-weight:800;font-size:1.1rem;color:var(--brand)}
@media (prefers-color-scheme:dark){.num .v{color:var(--gold)}}
@media (max-width:560px){.num{flex-direction:column;gap:.2rem}.num .v{flex:none}}
table{width:100%;border-collapse:collapse;font-size:.92rem}
td,th{padding:.4rem .3rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.law{border-left:5px solid var(--accent);background:rgba(42,111,219,.07);padding:.6rem 1rem;border-radius:8px;margin:.5rem 0}
.progress-dots{display:flex;gap:4px;margin:.5rem 0}
.progress-dots i{flex:1;height:6px;border-radius:3px;background:var(--line)}
.progress-dots i.ok{background:var(--ok)}.progress-dots i.no{background:var(--bad)}.progress-dots i.cur{background:var(--accent)}
.tree-path{font-size:.85rem;color:var(--muted);margin:.3rem 0}
.result.ok{border-left:5px solid var(--ok)}.result.warn{border-left:5px solid var(--warn)}.result.stop{border-left:5px solid var(--bad)}.result.info{border-left:5px solid var(--accent)}
details summary{cursor:pointer;font-weight:600}
/* hosted additions */
.foot{max-width:56rem;margin:2rem auto 1.5rem;padding:0 1rem;border-top:1px solid #ddd}
.pill.lock{background:#eee;color:#555}
.pill.st-draft{background:#fff3cd;color:#6b4e00}
.pill.st-ai-reviewed{background:#e3f0ff;color:#0b4a8b}
.pill.st-human-verified{background:#dff5e1;color:#1d5e2a}
.auth{max-width:26rem}
.field{display:block;margin:.6rem 0}
.field span{display:block;font-size:.9rem;margin-bottom:.2rem}
.field input{width:100%;padding:.55rem;font:inherit;border:1px solid #bbb;border-radius:6px;box-sizing:border-box}
.legal{max-width:46rem;margin:1rem auto;padding:0 1rem;line-height:1.55}
.draftbanner{background:#fff3cd;border:1px solid #e0c46c;padding:.75rem 1rem;border-radius:6px}
.right-answer{font-weight:600;color:#1d5e2a}
select{font:inherit;padding:.35rem;border:1px solid #bbb;border-radius:6px}
.btn.lg{font-size:1.1rem;padding:.8rem 1.4rem}
.start #start-unlock input{flex:1;min-width:10rem;padding:.6rem .7rem;font-size:1rem;border:1px solid #b8c2d0;border-radius:8px}