:root{color-scheme:dark;font-family:Inter,"Segoe UI",system-ui,sans-serif;background:#080e16;color:#e8eef5}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 48% -30%,#193748 0,transparent 48%),#080e16}
button,input,textarea{font:inherit}button{cursor:pointer}.shell{width:min(1100px,100%);min-height:100vh;margin:auto;display:flex;flex-direction:column;padding:0 clamp(16px,4vw,44px)}
.topbar{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #24313d;gap:16px}.brand,.top-actions{display:flex;align-items:center;gap:14px}.brand img{filter:drop-shadow(0 0 12px #338ea55b)}.brand strong{display:block;letter-spacing:.22em;font-size:17px}.brand span{display:block;color:#8c9eaa;font-size:12px;margin-top:2px}.connection{font-size:12px;color:#a4b3bd;display:flex;align-items:center;gap:8px}.connection:before{content:"";width:7px;height:7px;border-radius:50%;background:#ddae69;box-shadow:0 0 8px #ddae69}.connection.online:before{background:#66d7bb;box-shadow:0 0 8px #66d7bb}.connection.offline:before{background:#f08b85;box-shadow:0 0 8px #f08b85}.text-button{border:0;background:transparent;color:#a5e3dc;padding:8px}
.access-panel{width:min(490px,100%);margin:auto;padding:50px 0 90px}.access-mark{width:82px;height:82px;margin:0 0 28px;border-radius:24px;background:#111f2b;border:1px solid #2a4e5b;display:grid;place-items:center;box-shadow:inset 0 1px #4e879344,0 24px 55px #0007}.access-mark span{width:35px;height:35px;border:2px solid #83dfd0;border-radius:50%;box-shadow:0 0 18px #54b9b177,inset 0 0 16px #54b9b155}.eyebrow{color:#7acfc6;font-size:11px;letter-spacing:.23em;font-weight:700;margin:0 0 11px}h1{font-size:clamp(30px,4vw,47px);line-height:1.12;margin:0;letter-spacing:-.04em;font-weight:650}.lead{color:#aabac5;line-height:1.65;margin:21px 0 34px;font-size:15px}#activation-form{display:flex;flex-direction:column;gap:12px}label{font-size:13px;color:#cbd8de}input,textarea{border:1px solid #324b58;background:#101d27;color:#f2f7fa;outline:none;border-radius:12px}input:focus,textarea:focus{border-color:#70cfc2;box-shadow:0 0 0 3px #70cfc22b}input{height:52px;padding:0 16px}.primary{height:52px;border:0;border-radius:12px;background:#8ce0d4;color:#09222b;font-weight:700;display:flex;justify-content:center;align-items:center;gap:14px}.primary:hover{background:#a8eee3}.primary:disabled,#send:disabled{opacity:.55;cursor:default}.message{min-height:20px;color:#f3b1a3;font-size:13px;line-height:1.5}.disclosure{color:#8295a1;font-size:12px;line-height:1.6;margin-top:25px}
.chat-panel{display:flex;flex-direction:column;min-height:calc(100vh - 78px)}.chat-panel[hidden],.access-panel[hidden],[hidden]{display:none!important}.chat-heading{padding:36px 0 28px;display:flex;justify-content:space-between;align-items:end;gap:20px;border-bottom:1px solid #1f2d38}.chat-heading h1{font-size:clamp(27px,4vw,38px)}.access-time{text-align:right;white-space:nowrap}.access-time span{display:block;color:#8ba0ab;font-size:12px}.access-time strong{display:block;color:#9ee4d9;font-weight:600;font-size:14px;margin-top:6px;font-variant-numeric:tabular-nums}.messages{flex:1;min-height:260px;max-height:calc(100vh - 310px);overflow:auto;padding:30px max(0px,calc((100% - 780px)/2));display:flex;flex-direction:column;gap:18px}.welcome{text-align:center;margin:auto;color:#9cabb7}.welcome img{opacity:.8}.bubble{max-width:min(85%,650px);padding:16px 19px;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere;border-radius:16px;background:#15232e;border:1px solid #283d49}.bubble.user{align-self:flex-end;background:#173b43;border-color:#2b6970}.bubble.assistant{align-self:flex-start}.bubble.pending{color:#9baeb9}.composer{width:min(780px,100%);margin:0 auto;display:flex;align-items:end;gap:10px;background:#101e29;border:1px solid #35515f;border-radius:17px;padding:8px}.composer:focus-within{border-color:#78d2c6}.composer textarea{flex:1;resize:none;border:0;box-shadow:none;background:transparent;max-height:150px;min-height:42px;padding:10px 12px;line-height:1.45}.composer textarea:focus{border:0;box-shadow:none}.composer button{height:42px;width:42px;border:0;border-radius:11px;background:#86d8ce;color:#09242a;font-size:25px;line-height:1}.chat-note{text-align:center;color:#7f939f;font-size:11px;margin:7px 0 16px}.chat-panel>.message{width:min(780px,100%);margin:8px auto 0}.sr-only{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:650px){.topbar{height:68px}.brand span{display:none}.top-actions{gap:8px}.connection{font-size:11px}.access-panel{padding:48px 0}.chat-panel{min-height:calc(100dvh - 68px)}.chat-heading{padding:27px 0 20px;align-items:start;flex-direction:column;gap:13px}.access-time{text-align:left}.messages{max-height:calc(100dvh - 360px);padding:24px 0}.bubble{max-width:94%}}