:root{--ink:#14161c;--paper:#f3efe4;--panel:#fbf8ef;--line:rgba(20,22,28,0.12);--signal:#0b6e4f;--signal-2:#b34f2e;--muted:#6a685f;--shadow:0 20px 60px rgba(20,22,28,0.12);--radius:22px}*{box-sizing:border-box}html{background:radial-gradient(circle at top left,rgba(179,79,46,.14),transparent 30%),radial-gradient(circle at 85% 15%,rgba(11,110,79,.14),transparent 25%),linear-gradient(180deg,#f5f0e1,#efe8d9);min-height:100%}body{margin:0;min-height:100vh;color:var(--ink);font-family:Aptos,Segoe UI Variable Text,Trebuchet MS,sans-serif}a{color:inherit}button,input,textarea{font:inherit}button{cursor:pointer}.shell{width:min(1180px,calc(100vw - 32px));margin:24px auto}.chat-shell,.hero-card,.panel{background:color-mix(in srgb,var(--panel) 92%,white 8%);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{padding:28px}.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.74rem;color:var(--signal);margin-bottom:12px}.title{font-family:Iowan Old Style,Palatino Linotype,Book Antiqua,serif;font-size:clamp(2.4rem,6vw,5rem);line-height:.96;margin:0;max-width:9ch}.subtitle{max-width:62ch;color:var(--muted);font-size:1.02rem;line-height:1.6}.grid{grid-template-columns:1.4fr .9fr}.grid,.stack{display:grid;grid-gap:18px;gap:18px}.panel{padding:22px}.kicker{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(11,110,79,.1);color:var(--signal);font-size:.85rem}.metric{display:grid;grid-gap:4px;gap:4px}.metric strong{font-size:1.6rem}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}.form{display:grid;grid-gap:14px;gap:14px}.label{display:grid;grid-gap:8px;gap:8px;font-size:.92rem}.input,.textarea{width:100%;border:1px solid rgba(20,22,28,.18);border-radius:14px;background:rgba(255,255,255,.7);padding:14px 16px;color:var(--ink)}.textarea{min-height:120px;resize:vertical}.button-row{display:flex;gap:12px;flex-wrap:wrap}.button{border:none;border-radius:14px;padding:13px 18px;background:var(--ink);color:white}.button.secondary{background:transparent;color:var(--ink);border:1px solid rgba(20,22,28,.18)}.notice{border-left:3px solid var(--signal-2);padding-left:12px;color:var(--muted);font-size:.93rem}.chat-shell{display:grid;min-height:78vh;grid-template-columns:280px 1fr;overflow:hidden}.chat-main,.chat-sidebar{padding:20px}.chat-sidebar{border-right:1px solid var(--line);background:linear-gradient(180deg,rgba(20,22,28,.02),rgba(20,22,28,.08))}.message-list{display:grid;grid-gap:12px;gap:12px;margin:18px 0}.bubble{border-radius:18px;padding:14px 16px;max-width:min(75ch,90%);white-space:pre-wrap;line-height:1.55}.bubble.user{background:rgba(11,110,79,.1);margin-left:auto}.bubble.intrabot{background:rgba(20,22,28,.06)}.meta{font-size:.8rem;color:var(--muted)}.chat-compose{margin-top:auto;display:grid;grid-gap:12px;gap:12px}hr.rule{border:none;border-top:1px solid var(--line);margin:18px 0}@media (max-width:900px){.chat-shell,.grid,.metrics{grid-template-columns:1fr}.chat-sidebar{border-right:none;border-bottom:1px solid var(--line)}}