:root{--background:#050505;--surface:#0d0d0d;--surface-raised:#171717;--surface-soft:#202020;--foreground:#f5f5f5;--muted:#a3a3a3;--muted-strong:#d4d4d4;--line:#2a2a2a;--line-strong:#3a3a3a;--brand:#ffffff;--accent:#10a37f;--accent-strong:#0d8f70;--danger:#ff6b6b}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{background:var(--background);color:var(--foreground);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}.shell{background:var(--background)}.shell,.workspace{display:flex;min-height:100vh}.workspace{flex-direction:column;width:100%;margin:0 auto;padding:16px 32px 24px}.topbar{display:block;min-height:44px;margin-bottom:0}.chatTitle{color:var(--accent);font-size:1.2rem;font-weight:900}.chatSubtitle{margin:4px 0 0;color:var(--muted);font-size:.9rem;line-height:1.35}h1{margin:0;color:var(--foreground);font-size:clamp(2.35rem,5vw,4.45rem);line-height:.96;letter-spacing:0}.subhead,h1{max-width:760px}.subhead{margin:16px 0 0;color:var(--muted-strong);font-size:1.08rem;line-height:1.55}.errorLine{margin:0;border-top:1px solid rgba(255,107,107,.35);background:rgba(255,107,107,.11);color:#ffd1d1;padding:12px 18px;font-size:.92rem;font-weight:800}.chatPanel{display:flex;flex:1 1;flex-direction:column;min-height:0;border:0;border-radius:0;background:transparent;overflow:hidden}.messages{display:grid;align-content:start;grid-gap:14px;gap:14px;flex:1 1;min-height:360px;overflow-y:auto;padding:22px 0}.emptyState{align-self:center;justify-self:center;display:grid;width:min(620px,100%);padding:12vh 0 6vh;text-align:center}.emptyState h1{max-width:none;color:#ececec;font-size:clamp(1.9rem,4vw,2.35rem);font-weight:750;line-height:1.05}.message{width:min(760px,100%);border:1px solid var(--line);border-radius:8px;padding:15px 16px}.message span{display:block;margin-bottom:7px;color:var(--muted);font-size:.74rem;font-weight:900;letter-spacing:0;text-transform:uppercase}.message p{margin:0;color:var(--foreground);line-height:1.55}.message.assistant{background:var(--surface-raised)}.message.user{justify-self:end;max-width:min(640px,80%);background:#2f2f2f}.adOverlay{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:24px;background:rgba(0,0,0,.72);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.adModal{display:grid;grid-gap:18px;gap:18px;width:min(560px,100%);border:1px solid rgba(255,255,255,.12);border-radius:8px;background:#111111;box-shadow:0 30px 90px rgba(0,0,0,.56);padding:20px}.adModalCopy{display:grid;grid-gap:8px;gap:8px}.adKicker{color:var(--accent);font-size:.75rem;font-weight:900;text-transform:uppercase}.adKicker,.adModal h2{margin:0;letter-spacing:0}.adModal h2{color:var(--foreground);font-size:clamp(1.55rem,4vw,2.25rem);line-height:1.04}.adModal p{margin:0;color:var(--muted-strong);line-height:1.48}.adModal small{display:block;color:var(--muted);font-size:.84rem;font-weight:750;overflow-wrap:anywhere}.adSlotShell{display:grid;grid-gap:9px;gap:9px}.adSlotShell>span{color:#7c7c7c;font-size:.68rem;font-weight:900;letter-spacing:.08em;text-align:center;text-transform:uppercase}.adSlot{position:relative;display:grid;place-items:center;min-height:188px;border:1px solid rgba(255,255,255,.1);border-radius:8px;background:linear-gradient(180deg,rgba(255,255,255,.04),transparent),#080808;overflow:hidden}.adSlot ins{position:relative;z-index:2;width:100%;min-height:170px}.adLocalPlaceholder{position:absolute;inset:0;z-index:1;display:grid;place-items:center;color:#5f5f5f;font-size:.82rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.adFallback{display:grid;grid-gap:6px;gap:6px;justify-items:center;color:var(--muted-strong);text-align:center}.adFallback span{font-size:.76rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.adFallback small{max-width:260px;margin:0;color:var(--muted);font-size:.84rem;font-weight:750;letter-spacing:0;line-height:1.35}.composer{position:relative;display:grid;grid-template-columns:38px minmax(0,1fr) auto;align-items:center;grid-gap:12px;gap:12px;width:min(900px,100%);margin:0 auto;border:1px solid #353535;border-radius:999px;background:#252525;padding:8px 10px;box-shadow:0 16px 50px rgba(0,0,0,.24)}.fileInput{display:none}textarea{width:100%;min-height:36px;max-height:160px;resize:none;border:0;border-radius:0;background:transparent;color:var(--foreground);padding:7px 0;outline:none}textarea::placeholder{color:#b8b8b8}textarea:focus{box-shadow:none}textarea:disabled{background:transparent;color:#777777}.composerControls{display:flex;align-items:center;gap:8px}.composerMenuWrap{position:relative}.composerIconButton,.composerMenu button,.composerSelectButton{border:0;font:inherit}.composerIconButton{display:grid;place-items:center;width:38px;height:38px;border-radius:999px;background:transparent;color:#f2f2f2;font-size:1.7rem;line-height:1;padding:0}.composerIconButton:hover:not(:disabled){background:#333333}.composerIconButton:disabled{color:#7c7c7c}.submitButton{width:36px;height:36px;background:#f5f5f5;color:#111111;font-size:1.08rem;font-weight:900}.submitButton:hover:not(:disabled){background:#d7d7d7}.submitButton:disabled{background:#3a3a3a;color:#8a8a8a}.composerIconButton span{display:block;transform:translateY(-1px)}.composerSelectButton{display:inline-flex;align-items:center;gap:8px;min-height:36px;border-radius:999px;background:#333333;color:#d6d6d6;padding:0 13px;font-weight:650;line-height:1}.composerSelectButton:hover:not(:disabled),.composerSelectButton[aria-expanded=true]{background:#3d3d3d;color:#ffffff}.composerSelectButton:disabled{color:#777777}.composerMenu{position:absolute;right:0;bottom:calc(100% + 12px);z-index:12;display:grid;grid-gap:4px;gap:4px;width:230px;border:1px solid rgba(255,255,255,.08);border-radius:20px;background:#353535;box-shadow:0 24px 70px rgba(0,0,0,.42);padding:14px 10px}.modelMenu{width:210px}.composerMenu p{margin:0 10px 8px;color:#b8b8b8;font-size:.95rem;font-weight:750}.composerMenu button{display:flex;align-items:center;justify-content:space-between;min-height:42px;border-radius:12px;background:transparent;color:#f7f7f7;padding:0 10px;font-weight:720;text-align:left}.composerMenu button:hover{background:#454545}.attachmentLine{width:min(900px,100%);margin:8px auto 0;color:var(--muted);font-size:.82rem;overflow-wrap:anywhere}.adStatus{display:grid;grid-gap:9px;gap:9px}.adStatus p{margin:0;color:var(--muted);font-size:.86rem;font-weight:800;text-align:center}.adProgress{height:4px;overflow:hidden;border-radius:999px;background:#252525}.adProgress span{display:block;height:100%;border-radius:inherit;background:var(--accent);transition:width .28s ease}.srOnly{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width:900px){.workspace{min-height:100vh;padding:12px 16px 16px}.topbar{min-height:auto}.composer{grid-template-columns:34px minmax(0,1fr) auto;gap:8px;padding:7px 8px}.composerIconButton{width:34px;height:34px}.composerSelectButton{min-height:34px;max-width:96px;padding:0 10px}.composerSelectButton span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}@media (max-width:560px){h1{font-size:2.25rem}.subhead{font-size:1rem}.composer{border-radius:24px}.composerControls{gap:5px}.composerSelectButton{max-width:74px}.composerMenu,.modelMenu{right:-46px;width:min(230px,calc(100vw - 32px))}}