:root{color-scheme:dark;--bg:#0b141d;--panel:#12212e;--line:#29404f;--text:#e9f2f6;--muted:#a4b6c2;--accent:#8eead5;--warm:#f9d19b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}header{max-width:1280px;margin:auto;padding:25px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-size:24px;font-weight:650;letter-spacing:-1px}.brand small{font-size:12px;font-weight:450;color:var(--muted);letter-spacing:0}.mark{color:var(--accent);font-size:34px}nav{display:flex;align-items:center;gap:22px;font-size:13px}nav a{color:var(--muted)}.beta{font-size:10px;color:var(--accent);border:1px solid var(--line);border-radius:50px;padding:5px 10px;letter-spacing:1.3px}main{max-width:1200px;min-height:75vh;margin:0 auto;padding:56px 32px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5.8vw,68px);line-height:1.07;letter-spacing:-2.6px;font-weight:580;margin-bottom:28px}h2{font-size:26px;line-height:1.25;font-weight:560;letter-spacing:-.5px}h3{font-size:17px;line-height:1.35;font-weight:550}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--accent);text-transform:uppercase;margin-bottom:20px}.intro{max-width:650px;font-size:19px;line-height:1.65;color:var(--muted)}.hero{display:grid;grid-template-columns:1.35fr 1fr;gap:70px;align-items:start}.hero h1 em{font-style:normal;color:var(--accent)}.panel,.card{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:28px}.panel h2{margin-bottom:12px}.small{font-size:13px;color:var(--muted)}.muted{color:var(--muted)}.consent{display:flex;align-items:flex-start;gap:10px;margin:18px 0;font-size:13px;color:var(--muted)}input[type=checkbox]{margin-top:6px;accent-color:var(--accent);width:17px;height:17px;flex-shrink:0}button,.button{font:inherit;font-weight:600;border:1px solid var(--line);border-radius:10px;padding:11px 19px;cursor:pointer;background:var(--accent);color:#10252a;display:inline-block}button:hover,.button:hover{filter:brightness(1.07);text-decoration:none}button:disabled{opacity:.55;cursor:not-allowed}.secondary{background:transparent;color:var(--text)}.danger{color:var(--warm);background:transparent}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.section{margin-top:55px}.session-list{display:grid;gap:14px;margin-top:18px}.session-item{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:19px 23px;background:var(--panel);border:1px solid var(--line);border-radius:14px}.dimension-list{list-style:none;margin:25px 0 0;padding:0;display:grid;gap:11px}.dimension-list li{display:flex;gap:13px;align-items:center;color:var(--muted);font-size:13px}.gamma{width:32px;color:var(--accent);font-family:ui-monospace,monospace}.workspace{display:grid;grid-template-columns:260px minmax(0,1fr);gap:55px}.workspace aside{position:sticky;top:30px;align-self:start}.sidebar-text{font-size:13px;color:var(--muted);margin-top:28px}.conversation h1{font-size:38px;letter-spacing:-1.2px;margin-bottom:12px}.probe{font-size:22px;line-height:1.55;color:var(--text);margin:24px 0;padding:27px;background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:0 16px 16px 0}.phase{font-size:11px;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent)}label[for=answer]{display:block;font-weight:500;margin:20px 0 9px}textarea{font:inherit;color:var(--text);line-height:1.65;background:#0d1b26;border:1px solid var(--line);border-radius:12px;width:100%;min-height:210px;padding:20px;resize:vertical}textarea:focus{outline:2px solid var(--accent);outline-offset:2px}::placeholder{color:#738e9e}.form-end{display:flex;justify-content:space-between;align-items:center;margin:12px 0 20px}.notice{border:1px solid #806442;background:#2e251d;color:var(--warm);padding:15px 20px;border-radius:10px;margin:20px 0}.success{color:var(--accent)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.level{font-size:25px;color:var(--accent);font-weight:550;margin:14px 0 9px}.card p:last-child{margin-bottom:0}details{border-top:1px solid var(--line);margin-top:22px;padding-top:16px}summary{cursor:pointer;font-size:14px;color:var(--muted)}blockquote{margin:12px 0;padding:12px 16px;border-left:2px solid var(--accent);color:var(--muted);white-space:pre-wrap;overflow-wrap:anywhere}.evidence{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;margin-top:18px}.evidence li{margin:8px 0}.experiment{border:1px solid var(--line);border-radius:14px;padding:23px;margin:14px 0}.prose{max-width:760px}.prose h1{font-size:46px}.prose h2{margin-top:34px}.prose p{color:var(--muted)}progress{width:100%;height:8px;accent-color:var(--accent);margin:17px 0 8px}footer{max-width:1200px;border-top:1px solid var(--line);padding:25px 32px;margin:35px auto 0;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:12px}.loading{color:var(--muted);padding:30px 0}.skip-link{position:absolute;left:8px;top:-100px;background:var(--accent);color:var(--bg);padding:10px}.skip-link:focus{top:8px;z-index:10}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}@media(max-width:850px){.hero,.workspace{grid-template-columns:1fr;gap:35px}.workspace aside{position:static}.workspace .dimension-list{display:none}.sidebar-text{display:none}header{align-items:flex-start}nav{gap:13px;flex-wrap:wrap;justify-content:flex-end}.hero h1{max-width:700px}.grid{grid-template-columns:1fr}}@media(max-width:520px){header{padding:18px 20px;display:block}.brand{margin-bottom:14px}nav{justify-content:flex-start;font-size:12px}main{padding:34px 20px}h1{letter-spacing:-1.5px}.probe{padding:19px;font-size:19px}.panel,.card{padding:22px}footer{padding:22px 20px;display:block}.session-item{display:block}.session-item .button{margin-top:12px}.form-end{align-items:flex-start;gap:12px}.conversation h1{font-size:32px}.row button,.row .button{font-size:14px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Native HTML dialog; keyboard dismissal and focus containment stay in the page. */
dialog{width:min(560px,calc(100% - 32px));max-height:calc(100dvh - 48px);overflow:auto;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:18px;padding:28px}
dialog::backdrop{background:rgb(0 0 0 / 72%)}
dialog p{color:var(--muted)}
dialog #delete-error{color:var(--warm);border-left:3px solid var(--warm);padding:12px}
dialog .row{margin-top:24px}
#draft-warning{margin-top:16px}
#recovered-drafts textarea{min-height:130px;margin-top:10px}
@media(max-width:520px){dialog{padding:22px}dialog .row{align-items:stretch;flex-direction:column}}