:root{--s50:#f8fafc;--s100:#f1f5f9;--s200:#e2e8f0;--s300:#cbd5e1;--s400:#94a3b8;--s500:#64748b;--s600:#475569;--s700:#334155;--s800:#1e293b;--s900:#0f172a;
--bg:var(--s50);--fg:var(--s900);--card:#fff;--line:var(--s200);--muted:var(--s500);--amber:#b45309;--red:#b91c1c;--green:#15803d;--link:var(--s700)}
@media (prefers-color-scheme:dark){:root{--bg:var(--s900);--fg:var(--s100);--card:var(--s800);--line:var(--s700);--muted:var(--s400);--link:var(--s200);--amber:#f59e0b;--red:#f87171;--green:#4ade80}}
*{box-sizing:border-box}html{font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--fg)}
body{margin:0;min-height:100vh;display:flex;flex-direction:column}a{color:var(--link)}
.banner.demo{background:var(--amber);color:#fff;text-align:center;padding:.4rem 1rem;font-weight:600;letter-spacing:.02em}
.top{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1rem;padding:.6rem 1rem;border-bottom:1px solid var(--line);background:var(--card)}
.brand{font-weight:700;text-decoration:none;color:var(--fg)}.nav{display:flex;flex-wrap:wrap;gap:.25rem .8rem;font-size:.92rem;align-items:center}.nav a{text-decoration:none}
.wrap{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:1rem}.foot{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;padding:.8rem 1rem;border-top:1px solid var(--line);color:var(--muted);font-size:.8rem}
h1{font-size:1.5rem;margin:.2rem 0 1rem}h2{font-size:1.1rem;margin:0 0 .6rem}h3{font-size:.95rem;margin:1rem 0 .4rem;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:1rem;margin:0 0 1rem}.card.narrow{max-width:460px;margin:2rem auto}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1rem}.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.5rem .8rem}
label{display:block;margin:.4rem 0;font-size:.9rem;color:var(--s600)}@media (prefers-color-scheme:dark){label{color:var(--s300)}}
input,select,textarea{width:100%;padding:.5rem .6rem;border:1px solid var(--s300);border-radius:6px;background:var(--card);color:var(--fg);font:inherit;min-height:44px}
input[type=checkbox]{width:auto;min-height:0}textarea{min-height:140px}
button,.btn{display:inline-block;padding:.55rem 1rem;border-radius:6px;border:1px solid var(--s700);background:var(--s800);color:#fff;font:inherit;cursor:pointer;min-height:44px;text-decoration:none;margin-top:.4rem}
button.link{background:none;border:none;color:var(--link);padding:0;min-height:0;text-decoration:underline;margin:0}button.danger{background:var(--red);border-color:var(--red)}button:disabled{opacity:.5;cursor:not-allowed}
form.inline{display:inline}.inline-form{display:flex;flex-wrap:wrap;gap:.5rem;align-items:end}.inline-form label{margin:0}
.flash{padding:.6rem .9rem;border-radius:8px;margin:0 0 1rem;border:1px solid}.flash.ok{border-color:var(--green);color:var(--green)}.flash.err{border-color:var(--red);color:var(--red)}.flash.warn{border-color:var(--amber);color:var(--amber)}
.muted{color:var(--muted)}.small{font-size:.82rem}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85em}.wrap-any{overflow-wrap:anywhere}.warn{color:var(--amber)}
.empty{border:1px dashed var(--s300);border-radius:8px;padding:1rem;color:var(--muted);text-align:center}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.6rem;margin-bottom:1rem}.tile{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:.8rem;text-decoration:none;color:var(--fg)}.tile b{font-size:1.5rem}.tile span{font-size:.82rem;color:var(--muted)}
.list{padding-left:1.1rem}.list li{margin:.2rem 0}.codes li{margin:.3rem 0;font-size:1.05rem}
.tbl{width:100%;border-collapse:collapse;font-size:.9rem}.tbl th,.tbl td{text-align:left;padding:.4rem .5rem;border-bottom:1px solid var(--line);vertical-align:top}.tbl thead th{color:var(--muted);font-weight:600;font-size:.8rem}.scroll{overflow-x:auto}
.tbl.review input,.tbl.review select{min-height:36px;padding:.3rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:.6rem}.acct{display:flex;flex-direction:column;gap:.2rem;border:1px solid var(--line);border-radius:8px;padding:.7rem;text-decoration:none;color:var(--fg);background:var(--card)}
.proposal{border:1px solid var(--line);border-radius:8px;padding:.6rem;margin:.5rem 0}
.badge{display:inline-block;font-size:.72rem;padding:.1rem .45rem;border-radius:4px;border:2px solid var(--s500);margin-right:.3rem;white-space:nowrap}
.b-fact{background:var(--s700);color:#fff;border-color:var(--s700);border-style:solid}.b-issue{border-color:var(--amber);color:var(--amber);border-style:solid}.b-theory{border-style:dashed;border-color:var(--s500)}.b-question{border-style:solid;border-color:var(--s400);color:var(--muted)}.b-question::before{content:"? "}
.conf{display:inline-block;font-size:.72rem;padding:.1rem .4rem;border-radius:999px;background:var(--s100);color:var(--s700);margin-right:.3rem}@media (prefers-color-scheme:dark){.conf{background:var(--s700);color:var(--s100)}}
.conf-supported{font-weight:700}.conf-weak{opacity:.8}.conf-not-assessable{font-style:italic}
.st{display:inline-block;font-size:.72rem;padding:.05rem .4rem;border-radius:4px;background:var(--s100);color:var(--s600)}@media (prefers-color-scheme:dark){.st{background:var(--s700);color:var(--s200)}}
.st-conflict,.st-substantive{background:transparent;border:1px solid var(--amber);color:var(--amber)}.st-unknown{border:1px dashed var(--s400)}.st-fact,.st-verified,.st-committed,.st-resolved{border:1px solid var(--green);color:var(--green);background:transparent}
.st-tampered,.st-missing,.st-rejected{border:1px solid var(--red);color:var(--red);background:transparent}.st-draft,.st-open{border:1px solid var(--amber);color:var(--amber);background:transparent}
.diff-substantive.material th{border-left:3px solid var(--amber)}.diff-equal td{color:var(--muted)}
.findings{list-style:none;padding:0}.findings li{padding:.6rem 0;border-bottom:1px solid var(--line)}.findings.compact li{padding:.3rem 0}.findings p{margin:.3rem 0}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:.3rem 1rem;font-size:.9rem}.kv dt{color:var(--muted)}.kv dd{margin:0;overflow-wrap:anywhere}
.legend{font-size:.85rem}.actions{margin:1rem 0}.danger-zone{border-color:var(--red)}
.ph{text-align:center;font-family:ui-monospace,monospace}.ph-ok{color:var(--green)}.ph-30,.ph-60,.ph-90,.ph-120,.ph-150,.ph-180,.ph-co,.ph-rp{color:var(--red);font-weight:600}
@media (max-width:640px){.kv{grid-template-columns:1fr}.tbl{font-size:.82rem}.top{padding:.5rem}.wrap{padding:.6rem}}
.st-elements_met,.st-supported_for_investigation,.st-satisfied{border:1px solid var(--green);color:var(--green);background:transparent}
.st-insufficient_facts,.st-blocked_by_missing_facts,.st-needs_research,.st-provisional,.st-not_satisfied{border:1px solid var(--amber);color:var(--amber);background:transparent}
.st-inapplicable,.st-closed_by_user,.st-elements_not_met{opacity:.7}.st-weakened_by_evidence{border:1px solid var(--red);color:var(--red);background:transparent}
.route-closed_by_user{opacity:.6}
.block{border:1px solid var(--line);border-radius:8px;padding:.5rem .7rem;margin:.4rem 0}.block-placeholder{border-color:var(--amber)}.placeholder-text{color:var(--amber);font-weight:600}
.block-citation{border-left:3px solid var(--s400)}.preview{white-space:pre-wrap;max-height:40vh;overflow:auto;background:var(--s100);padding:.6rem;border-radius:6px}
@media (prefers-color-scheme:dark){.preview{background:var(--s900)}}
.st-confirmed{border:1px solid var(--green);color:var(--green);background:transparent}.st-estimated,.st-blocked{border:1px solid var(--amber);color:var(--amber);background:transparent}
.st-prepared,.st-planned{border:1px dashed var(--s400)}.st-sent_recorded,.st-delivery_confirmed,.st-response_received{border:1px solid var(--s500)}
.action{border-bottom:1px solid var(--line);padding:.5rem 0}
/* Landing page (sign-in route) and public demo: dark slate with cyan accents, scoped so the app itself is unchanged */
body.landing,body.public-demo{--cy:#22d3ee;--cy2:#38bdf8}
body.landing{--bg:#0b1120;--fg:#e2e8f0;--card:#111a2e;--line:#1e2a44;--muted:#94a3b8;--link:#7dd3fc;background:radial-gradient(1200px 600px at 50% -10%,#0e2a3d 0%,#0b1120 60%) #0b1120;color:var(--fg)}
body.landing .top,body.landing .foot{background:transparent;border-color:var(--line)}body.landing label{color:var(--s300)}
body.landing input{background:#0b1120;border-color:#26344f;color:var(--fg)}body.landing input:focus{outline:2px solid var(--cy);outline-offset:1px;border-color:var(--cy)}
body.landing button{background:#0f2b3d;border-color:var(--cy);color:#e0f7ff}
.hero{max-width:760px;margin:2.5rem auto 1rem;text-align:center}.hero h1{font-size:clamp(2rem,6vw,3rem);margin:.2rem 0;letter-spacing:-.02em}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;color:var(--cy,var(--muted));margin:0;font-weight:600}
.tagline{font-size:1.1rem;color:var(--cy2);margin:.2rem 0 1.6rem;font-style:italic}
.pillars{list-style:none;padding:0;margin:0 0 1.8rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.7rem;text-align:left}
.pillars li{border:1px solid var(--line);border-radius:10px;padding:.8rem;background:rgba(17,26,46,.7)}.pillars b{display:block;color:var(--cy)}.pillars span{font-size:.88rem;color:var(--muted)}
.paths{display:flex;flex-direction:column;align-items:center;gap:.8rem}
.btn.cta{background:linear-gradient(90deg,var(--cy),var(--cy2));color:#04121c;border:none;font-weight:700;padding:.8rem 1.8rem;font-size:1.05rem;border-radius:8px;box-shadow:0 0 24px rgba(34,211,238,.25)}
.btn.cta:hover{filter:brightness(1.08)}.admin-access{width:100%;max-width:460px}.admin-access summary{cursor:pointer;color:var(--link);list-style:none;padding:.4rem;border:1px solid var(--line);border-radius:8px}
.admin-access summary::-webkit-details-marker{display:none}.admin-access .card.narrow{margin:.7rem auto 0;text-align:left}
.banner.pd-banner{display:flex;align-items:center;justify-content:center;gap:.8rem;background:#0b1120;color:var(--cy);border-bottom:1px solid #155e75}
.pd-x{background:none;border:1px solid currentColor;color:inherit;min-height:0;width:28px;height:28px;padding:0;margin:0;border-radius:50%;line-height:1;font-size:1.1rem}
.pd-tour{position:fixed;right:1rem;bottom:1rem;width:min(360px,calc(100vw - 2rem));background:#0b1120;color:#e2e8f0;border:1px solid var(--cy);border-radius:12px;padding:1rem 1rem .8rem;box-shadow:0 10px 40px rgba(0,0,0,.45);z-index:20}
.pd-tour h2{color:#fff;margin:.2rem 0 .4rem}.pd-tour p{font-size:.9rem;margin:.3rem 0 .6rem}.pd-tour .pd-x{position:absolute;top:.6rem;right:.6rem;color:#94a3b8}
.pd-tour .btn{background:#0f2b3d;border-color:var(--cy);color:#e0f7ff;font-size:.9rem}.pd-nav{display:flex;justify-content:space-between;align-items:center;margin-top:.6rem}.pd-nav button.link{color:#7dd3fc}.pd-nav button:not(.link){background:var(--cy);color:#04121c;border:none;font-weight:600;margin:0}
.pd-banner[hidden],.pd-tour[hidden],.pd-tour [hidden]{display:none}