:root{color-scheme:light;--bg: #ffffff;--fg: #17181c;--muted: #6b7280;--line: #e5e7eb;--panel: #fafafa;--brand: #610CCA;--brand-ink: #ffffff;--brand-soft: rgba(97, 12, 202, .08);--accent: #610CCA;--danger: #b91c1c;--ok: #15803d;--radius: 10px}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #0e0f13;--fg: #e8e9ed;--muted: #9aa1ad;--line: #262a33;--panel: #15171d;--accent: #A58BFF;--brand-soft: rgba(165, 139, 255, .14);--danger: #f87171;--ok: #4ade80;color-scheme:dark}}:root[data-theme=dark]{--bg: #0e0f13;--fg: #e8e9ed;--muted: #9aa1ad;--line: #262a33;--panel: #15171d;--accent: #A58BFF;--brand-soft: rgba(165, 139, 255, .14);--danger: #f87171;--ok: #4ade80;color-scheme:dark}:root[data-theme=light]{color-scheme:light}:root .only-dark{display:none}:root .only-light{display:block}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .only-dark{display:block}:root:not([data-theme=light]) .only-light{display:none}}:root[data-theme=dark] .only-dark{display:block}:root[data-theme=dark] .only-light{display:none}:root[data-theme=light] .only-dark{display:none}:root[data-theme=light] .only-light{display:block}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.55 system-ui,-apple-system,Segoe UI,sans-serif}.app{max-width:860px;margin:0 auto;padding:0 20px 64px}.centered{display:grid;place-items:center;min-height:100vh;padding:24px}.topbar{display:flex;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);margin-bottom:28px}.logo{display:inline-flex;align-items:center;gap:9px}.logo img{display:block}.logo-stack{display:flex;justify-content:center;margin-bottom:14px}.topbar nav{display:flex;gap:14px}.topbar nav a{color:var(--muted);text-decoration:none}.topbar nav a.active{color:var(--accent);font-weight:600}.topbar nav a:hover{color:var(--fg)}.spacer{flex:1}h1{font-size:22px;margin:0 0 4px}h2{font-size:17px;margin:0 0 2px}h3{font-size:14px;margin:0 0 8px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}p{margin:0 0 12px}.muted{color:var(--muted)}.small{font-size:13px}.mono{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:13px}.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:18px;margin-bottom:16px}.row{display:flex;align-items:center;gap:12px}.between{justify-content:space-between}.stack{display:grid;gap:12px}label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}input[type=text],input[type=email],input[type=password],input[type=number],input[type=url]{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}input:focus{outline:2px solid var(--accent);outline-offset:-1px}button{padding:9px 15px;border-radius:8px;border:1px solid var(--brand);background:var(--brand);color:var(--brand-ink);font:inherit;font-weight:550;cursor:pointer}button:hover:not(:disabled){filter:brightness(1.12)}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:transparent;color:var(--fg);border-color:var(--line)}button.secondary:hover:not(:disabled){border-color:var(--brand);color:var(--accent);filter:none}button.danger{background:transparent;color:var(--danger);border-color:var(--danger)}button.danger:hover:not(:disabled){filter:none;background:transparent}button.link{background:none;border:none;color:var(--muted);padding:0;font-weight:400;text-decoration:underline}button.link:hover{color:var(--accent);filter:none}.app-key{padding:8px 0;border-top:1px solid var(--line);gap:12px}.app-key:first-of-type{border-top:0}.app-key button{padding:6px 12px;font-size:13px;flex:none}.key-help a{color:var(--accent);text-decoration:none}.key-help a:hover{text-decoration:underline}.checkbox{display:flex;gap:10px;align-items:flex-start;padding:9px 0;cursor:pointer}.checkbox input{margin-top:3px}.checkbox.disabled{opacity:.45;cursor:not-allowed}.divider{height:1px;background:var(--line);margin:14px 0}.error{border:1px solid var(--danger);color:var(--danger);border-radius:8px;padding:10px 12px;margin-bottom:14px;font-size:14px}.notice{border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin-bottom:14px;font-size:14px;color:var(--muted)}.meter{height:6px;border-radius:3px;background:var(--line);overflow:hidden;margin-top:6px}.meter>span{display:block;height:100%;background:var(--accent)}.meter.over>span{background:var(--danger)}.tag{display:inline-block;font-size:11px;padding:2px 7px;border-radius:999px;border:1px solid var(--line);color:var(--muted);margin-left:6px}.tag.ok{color:var(--ok);border-color:var(--ok)}.tag.off{color:var(--danger);border-color:var(--danger)}.landing-foot{padding:28px 0 0;border-top:1px solid var(--line)}.foot-top{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.foot-legal{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}.foot-legal a{color:var(--muted);text-decoration:none}.foot-legal a:hover{color:var(--accent)}.partner-logo{display:inline-flex;align-items:center;gap:8px}.partner-logo img{display:block;width:auto}.partner-logo img{opacity:.75;transition:opacity .15s}.partner-logo:hover img{opacity:1}.foot-credit{color:var(--muted);font-weight:400}.foot-name{color:var(--fg);font-weight:600}.foot-legal a:hover .foot-name{color:var(--accent)}@media (max-width: 560px){.foot-legal{gap:8px}.foot-legal .spacer{flex-basis:100%;height:0}}.theme-toggle{width:32px;height:32px;padding:0;display:inline-grid;place-items:center;background:transparent;color:var(--muted);border:1px solid var(--line);border-radius:8px;cursor:pointer;flex:0 0 auto}.theme-toggle:hover:not(:disabled){color:var(--accent);border-color:var(--brand);filter:none}.theme-toggle svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.consent-screen{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:24px;background:radial-gradient(closest-side at 50% 0%,var(--brand-soft),transparent 78%),var(--bg)}.consent-card{width:min(460px,100%);max-height:calc(100dvh - 48px);display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:28px 26px 20px;box-shadow:0 18px 48px #0000001a,0 2px 6px #0000000a}html,body,#root{height:100%}.demo-tag{font-size:11px;font-weight:650;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:var(--brand-soft);border-radius:999px;padding:2px 8px;flex:none}.gate-brand{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:22px}.consent-card h1{text-align:center;margin-bottom:10px}.consent-card>p{text-align:center}.consent-card>button{width:100%;margin-top:8px;padding:11px 15px}.gate-foot{margin-top:18px;text-align:center}.consent-screen .foot-legal{justify-content:center;border-top:0;margin-top:18px;padding-top:0}.chat{height:100%;display:grid;grid-template-rows:auto minmax(0,1fr) auto;grid-template-columns:minmax(0,1fr);max-width:860px;margin:0 auto}.chat .topbar{margin-bottom:0;padding:14px 20px;gap:10px}.chat .topbar .logo{flex:none}.model-select{min-width:0;width:100%;max-width:280px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit;font-size:14px}.model-select:focus{outline:2px solid var(--accent);outline-offset:-1px}.chat__controls{flex:1 1 0;min-width:0;display:flex;align-items:center;justify-content:flex-end;gap:8px}.menu{position:relative;flex:none}.menu summary{list-style:none;cursor:pointer;width:32px;height:32px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;color:var(--muted);font-weight:700}.menu summary:hover{color:var(--accent);border-color:var(--brand)}.menu summary::-webkit-details-marker{display:none}.menu__panel{position:absolute;right:0;top:calc(100% + 6px);z-index:2;min-width:220px;display:flex;flex-direction:column;padding:6px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:0 18px 48px #0000001a,0 2px 6px #0000000a}.menu__panel p{margin:6px 10px 8px;overflow:hidden;text-overflow:ellipsis}.menu__panel button,.menu__panel a{font:inherit;font-weight:400;text-align:left;padding:8px 10px;border:0;border-radius:6px;background:none;color:var(--fg);text-decoration:none}.menu__panel button:hover:not(:disabled),.menu__panel a:hover{background:var(--brand-soft);color:var(--accent);filter:none}.chat__log{overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}.chat__empty{margin:auto;max-width:440px;text-align:center}.bubble{max-width:85%;padding:10px 14px;border-radius:14px}.bubble p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}.bubble--user{align-self:flex-end;background:var(--brand);color:var(--brand-ink);border-bottom-right-radius:4px}.bubble--assistant{align-self:flex-start;background:var(--panel);border:1px solid var(--line);border-bottom-left-radius:4px}.bubble--pending p:after{content:"▍";margin-left:2px;color:var(--accent);animation:blink 1s steps(2) infinite}.bubble__meta{display:block;margin-top:6px;font-size:12px;color:var(--muted)}@keyframes blink{50%{opacity:0}}@media (prefers-reduced-motion: reduce){.bubble--pending p:after{animation:none}}.chat__log .error{align-self:center;margin:0}.chat__composer{display:flex;gap:8px;align-items:flex-end;padding:12px 20px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}.chat__composer textarea{flex:1;font:inherit;resize:none;field-sizing:content;min-height:42px;max-height:40vh;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg)}.chat__composer textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}.chat__composer button{height:42px}@media (max-width: 460px){.chat .topbar .demo-tag{display:none}.chat .topbar,.chat__log,.chat__composer{padding-left:14px;padding-right:14px}}