:root{--bg:#fff;--ink:#0b0f14;--muted:#0000008c;--faint:#00000059;--line:#0000001a;--mist:#f5f7f8;--signal:#14b8a6;--signal-soft:#14b8a61a;--panel:#fff;--white:#fff;--shadow:0 18px 60px #0b0f1414;--sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--mono:"JetBrains Mono", monospace}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0}body:before{content:"";z-index:-2;background-image:linear-gradient(90deg,#00000007 1px,#0000 1px),linear-gradient(#00000007 1px,#0000 1px);background-size:44px 44px;position:fixed;inset:0;-webkit-mask-image:radial-gradient(circle at 50% 20%,#000 0%,#0000 72%);mask-image:radial-gradient(circle at 50% 20%,#000 0%,#0000 72%)}body:after{content:"";z-index:-1;background:radial-gradient(circle at 50% 100%,#14b8a621,#0000 60%);height:45vh;position:fixed;inset:auto 0 0}a{color:inherit}button,textarea{font:inherit}button{-webkit-tap-highlight-color:transparent}.appShell{grid-template-rows:auto 1fr auto;min-height:100svh;display:grid}.topNav{z-index:20;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);background:#ffffffdb;justify-content:space-between;align-items:center;gap:14px;width:min(100%,1040px);margin:0 auto;padding:14px 18px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;min-width:0;display:flex}.brand strong{letter-spacing:-.03em;font-size:16px;line-height:1.1;display:block}.brand span{color:var(--muted);white-space:nowrap;margin-top:2px;font-size:12px;display:block}.ghostLogo{filter:drop-shadow(0 10px 20px #0b0f141a);flex:none;width:42px;height:42px}.navActions{align-items:center;gap:8px;display:flex}.langSwitch{border:1px solid var(--line);background:var(--mist);border-radius:999px;padding:3px;display:flex}.langSwitch button,.ghostBtn,.appLink{cursor:pointer;border:0;border-radius:999px;text-decoration:none;transition:all .18s}.langSwitch button{color:var(--muted);background:0 0;padding:7px 10px;font-size:12px;font-weight:800}.langSwitch button.active{background:var(--ink);color:var(--white)}.ghostBtn{background:var(--white);color:var(--ink);border:1px solid var(--line);padding:10px 13px;font-size:13px;font-weight:700}.appLink{background:var(--signal);color:var(--white);justify-content:center;align-items:center;padding:10px 14px;font-size:13px;font-weight:800;display:inline-flex}.ghostBtn:hover,.appLink:hover,.promptGrid button:hover,.composer button:hover{transform:translateY(-1px)}.chatArea{width:min(100%,900px);margin:0 auto;padding:28px 18px 18px;overflow-y:auto}.welcome{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:calc(100svh - 220px);padding:24px 0;display:flex}.welcome .ghostLogo{width:74px;height:74px;margin-bottom:18px}.techLabel{color:var(--signal);font-family:var(--mono);letter-spacing:.11em;text-transform:uppercase;margin:0 0 14px;font-size:11px}.welcome h1{max-width:760px;color:var(--ink);letter-spacing:-.075em;margin:0;font-size:clamp(38px,7vw,76px);line-height:.95}.lead{max-width:660px;color:var(--muted);margin:18px auto 0;font-size:17px;line-height:1.75}.promptGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;width:min(100%,760px);margin-top:30px;display:grid}.promptGrid button{border:1px solid var(--line);min-height:72px;color:var(--ink);text-align:left;cursor:pointer;background:#ffffffe0;border-radius:20px;padding:16px;font-weight:650;line-height:1.4;box-shadow:0 12px 35px #0b0f140b}.promptGrid button:hover{background:var(--signal-soft);border-color:#14b8a647}.messageStack{flex-direction:column;gap:18px;padding-bottom:16px;display:flex}.msg{grid-template-columns:42px minmax(0,1fr);align-items:start;gap:12px;display:grid}.msg.user{grid-template-columns:minmax(0,1fr) 42px}.msg.user .msgAvatar{background:var(--ink);color:var(--white);border-color:var(--ink);grid-area:1/2}.msg.user .msgBody{background:var(--ink);color:var(--white);border-color:var(--ink);grid-area:1/1;max-width:min(680px,92%);margin-left:auto}.msgAvatar{border:1px solid var(--line);background:var(--mist);width:42px;height:42px;color:var(--ink);border-radius:999px;place-items:center;font-size:13px;font-weight:900;display:grid}.msgAvatar .ghostLogo{width:32px;height:32px}.msgBody{border:1px solid var(--line);background:var(--white);width:fit-content;max-width:min(720px,100%);color:var(--ink);border-radius:22px;padding:16px 18px;line-height:1.75;box-shadow:0 10px 28px #0b0f140b}.msgBody p{white-space:pre-wrap;margin:0 0 10px}.msgBody p:last-child{margin-bottom:0}.inlineLink{color:var(--signal);border-bottom:1px solid #14b8a659;font-weight:800;text-decoration:none}.inlineLink:hover{border-bottom-color:var(--signal)}.microSponsor{border:1px solid var(--line);background:var(--mist);color:var(--muted);border-radius:999px;align-items:center;margin-top:12px;padding:7px 10px;font-size:12px;font-weight:700;text-decoration:none;display:inline-flex}.microSponsor:hover{color:var(--signal);background:var(--signal-soft);border-color:#14b8a647}.loadingDots{align-items:center;gap:6px;min-width:72px;display:flex}.loadingDots span{background:var(--signal);border-radius:999px;width:8px;height:8px;animation:1s ease-in-out infinite dot}.loadingDots span:nth-child(2){animation-delay:.15s}.loadingDots span:nth-child(3){animation-delay:.3s}@keyframes dot{0%,80%,to{opacity:.35;transform:translateY(0)}40%{opacity:1;transform:translateY(-5px)}}.composerWrap{z-index:30;background:linear-gradient(#fff0,#fff 25%);width:min(100%,900px);margin:0 auto;padding:12px 18px 16px;position:sticky;bottom:0}.composer{border:1px solid var(--line);background:var(--white);box-shadow:var(--shadow);border-radius:26px;grid-template-columns:1fr auto;align-items:end;gap:10px;padding:10px;display:grid}.composer textarea{resize:none;width:100%;min-height:48px;max-height:160px;color:var(--ink);background:0 0;border:0;outline:0;padding:13px 12px;line-height:1.45}.composer textarea::placeholder{color:var(--faint)}.composer button{background:var(--ink);min-width:92px;height:48px;color:var(--white);cursor:pointer;border:0;border-radius:999px;font-weight:850}.composer button:disabled{opacity:.38;cursor:not-allowed;transform:none}.underComposer{color:var(--faint);flex-wrap:wrap;justify-content:space-between;gap:10px;padding:9px 4px 0;font-size:12px;display:flex}.underComposer a{color:var(--signal);font-weight:800;text-decoration:none}.underComposer a:hover{text-decoration:underline}@media (max-width:720px){.topNav{padding:12px}.brand span,.ghostBtn{display:none}.appLink{padding:9px 11px;font-size:12px}.langSwitch button{padding:7px 9px}.chatArea{padding:20px 12px 12px}.welcome{justify-content:flex-start;min-height:calc(100svh - 190px);padding-top:34px}.welcome .ghostLogo{width:62px;height:62px}.welcome h1{font-size:42px;line-height:.98}.lead{margin-top:14px;font-size:15px;line-height:1.65}.promptGrid{grid-template-columns:1fr;gap:10px;margin-top:20px}.promptGrid button{border-radius:18px;min-height:auto;padding:14px}.msg,.msg.user{grid-template-columns:1fr}.msgAvatar{display:none}.msgBody,.msg.user .msgBody{border-radius:18px;width:100%;max-width:100%;padding:15px}.composerWrap{padding:10px 10px 12px}.composer{border-radius:22px;grid-template-columns:1fr}.composer button{width:100%}.underComposer{text-align:center;justify-content:center}.underComposer span:first-child{display:none}}@media (max-width:390px){.brand strong{font-size:15px}.appLink{display:none}.welcome h1{font-size:36px}}.chat-link{color:#0b0f14;text-underline-offset:3px;word-break:break-word;font-weight:500;-webkit-text-decoration:underline #00000038;text-decoration:underline #00000038}.chat-link:hover{color:#14b8a6;text-decoration-color:#14b8a6}