:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#061411;--bg-2:#0a1c16;--forest:#0d2a1f;--ink:#eaf3ec;--ink-2:#a9bdb0;--ink-3:#6f877a;--line:#aae6be1f;--line-2:#aae6be38;--glass:#ffffff09;--glass-2:#ffffff0f;--lime:#c8f27e;--green:#66cf7e;--teal:#3fae98;--ok:#9be59f;--err:#ff9a8a;--radius:18px;--accent-grad:linear-gradient(180deg, #d8f79a, #8fdc6f);--font:"Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{font:17px/1.6 var(--font);color:var(--ink);background:radial-gradient(1200px 760px at 85% -10%, #2e96644d, transparent 60%), radial-gradient(900px 700px at -10% 28%, #1c786042, transparent 62%), radial-gradient(900px 700px at 105% 62%, #246e5033, transparent 62%), radial-gradient(1100px 800px at 40% 105%, #28825638, transparent 60%), var(--bg);background-attachment:fixed;overflow-x:hidden}h1,h2,h3{letter-spacing:-.02em;overflow-wrap:break-word;-webkit-hyphens:auto;hyphens:auto;margin:0 0 12px;font-weight:650;line-height:1.15}h1{font-size:clamp(1.9rem,4vw,2.6rem)}h2{font-size:1.5rem}h3{font-size:1.2rem}p{margin:0 0 12px}a{color:var(--lime)}:focus-visible{outline:2px solid var(--lime);outline-offset:3px}.muted{color:var(--ink-2)}.small{color:var(--ink-3);font-size:14px}.err{color:var(--err)}.ok{color:var(--ok)}em.accent{background:linear-gradient(#e2fbab,#7fd36f);color:#0000;-webkit-background-clip:text;background-clip:text;font-style:normal}.topbar{z-index:10;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#061411b8;justify-content:space-between;align-items:center;gap:12px;height:64px;padding:0 20px;display:flex;position:sticky;top:0}.topbar .brand img{width:auto;height:30px;display:block}.topbar nav{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.glass{background:linear-gradient(180deg, var(--glass-2), var(--glass));border:1px solid var(--line);border-radius:var(--radius);box-shadow:inset 0 1px #ffffff0a}.btn{font:600 16px/1.2 var(--font);cursor:pointer;border:1px solid #0000;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:14px 24px;text-decoration:none;transition:transform .15s,box-shadow .25s,background .25s;display:inline-flex}.btn-primary{background:var(--accent-grad);color:#08170f;box-shadow:0 6px 24px #a0e66e38}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 30px #a0e66e57}.btn-ghost{border-color:var(--line-2);color:var(--ink);background:#ffffff0d}.btn-ghost:hover{background:#ffffff17}.btn-small{border-radius:10px;padding:9px 16px;font-size:15px}.btn:disabled{opacity:.55;cursor:not-allowed}label{color:var(--ink-2);margin:0 0 6px;font-size:15px;display:block}.field{margin-bottom:18px}input[type=text],input[type=email],select,textarea{width:100%;font:16px/1.5 var(--font);color:var(--ink);border:1px solid var(--line-2);background:#00000040;border-radius:12px;padding:12px 14px}select option{background:var(--bg-2)}input:focus,select:focus,textarea:focus{border-color:var(--lime);outline:none;box-shadow:0 0 0 3px #c8f27e2e}textarea{resize:vertical}.center-page{place-items:center;min-height:calc(100vh - 64px);padding:32px 16px;display:grid}.center-card{width:100%;max-width:480px;padding:32px}.chat-layout{grid-template-columns:280px 1fr;min-height:calc(100vh - 64px);display:grid}.sidebar{border-right:1px solid var(--line);background:#06141159;flex-direction:column;gap:12px;padding:18px;display:flex}.sidebar ul{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex;overflow-y:auto}.sidebar li a{color:var(--ink-2);white-space:nowrap;text-overflow:ellipsis;border-radius:10px;padding:9px 12px;font-size:15px;text-decoration:none;display:block;overflow:hidden}.sidebar li a:hover,.sidebar li a[aria-current=page]{background:var(--glass-2);color:var(--ink)}.chat-main{flex-direction:column;min-width:0;display:flex}.messages{flex-direction:column;flex:1;gap:18px;width:100%;max-width:860px;margin:0 auto;padding:28px 20px;display:flex}.msg-user{white-space:pre-wrap;overflow-wrap:anywhere;background:#c8f27e1a;border:1px solid #c8f27e2e;border-radius:16px 16px 4px;align-self:flex-end;max-width:85%;padding:12px 16px}.msg-ai{grid-template-columns:38px 1fr;align-items:start;gap:12px;display:grid}.avatar{width:38px;height:38px;font:700 14px var(--font);background:var(--accent-grad);color:#08170f;border-radius:12px;place-items:center;display:grid}.msg-ai .bubble{min-width:0;padding:16px 18px}.msg-ai .text{white-space:pre-wrap;overflow-wrap:anywhere}.cite{color:var(--lime);vertical-align:super;margin-left:1px;font-size:14px;text-decoration:none}.sources{border-top:1px dashed var(--line-2);margin-top:14px;padding-top:12px}.sources h4{color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em;margin:0 0 6px;font-size:14px;font-weight:600}.sources ol{margin:0;padding-left:22px;font-size:15px}.sources li{color:var(--ink-2);margin:3px 0}.feedback{flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px;display:flex}.feedback button[aria-pressed=true]{border-color:var(--lime);color:var(--lime)}.tag{border:1px solid var(--line-2);color:var(--ink-2);border-radius:999px;padding:2px 10px;font-size:14px;display:inline-block}.composer{background:linear-gradient(#0000,#061411eb 30%);padding:14px 20px 18px;position:sticky;bottom:0}.composer form{align-items:flex-end;gap:10px;max-width:860px;margin:0 auto;display:flex}.composer textarea{min-height:54px;max-height:220px}.composer .small{text-align:center;max-width:860px;margin:8px auto 0}.welcome{text-align:center;max-width:640px;margin:8vh auto 0}.examples{gap:10px;margin-top:22px;display:grid}.examples button{text-align:left;font:16px/1.4 var(--font);color:var(--ink);cursor:pointer;padding:14px 16px}.examples button:hover{border-color:var(--line-2)}.page{max-width:760px;margin:0 auto;padding:40px 20px 80px}.page section{margin-bottom:20px;padding:24px}.row{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:10px 0;display:flex}.row:last-child{border-bottom:0}@media (max-width:860px){.chat-layout{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line);max-height:220px}.topbar{padding:0 16px}.messages,.composer{padding-left:16px;padding-right:16px}.center-card{padding:24px}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}