:root{color-scheme:dark;--bg:#0b0d12;--panel:#11141b;--soft:#191d26;--line:#272c38;--text:#f4f5f7;--muted:#949baa;--accent:#b8ff62;--accent2:#70e5c1;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);height:100dvh;overflow:hidden}button,textarea{font:inherit}button{color:inherit}#app{display:flex;height:100dvh}aside{width:286px;background:#0e1117;border-right:1px solid var(--line);padding:16px 12px;display:flex;flex-direction:column;flex:none}.brand{height:44px;display:flex;align-items:center;gap:11px;padding:0 7px;font-size:14px;font-weight:750;letter-spacing:.06em}.mark,.hero-mark{display:grid;place-items:center;background:linear-gradient(140deg,var(--accent),var(--accent2));color:#07100b;font-weight:900}.mark{width:29px;height:29px;border-radius:9px}.brand #closeNav{display:none;margin-left:auto;border:0;background:none;font-size:27px}.new-chat{border:1px solid var(--line);background:var(--soft);border-radius:12px;padding:11px 13px;margin:16px 2px 20px;text-align:left;cursor:pointer}.new-chat span{color:var(--accent);font-size:20px;margin-right:7px}.history-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;padding:0 10px 8px}nav{overflow:auto;flex:1}.conversation{width:100%;border:0;background:transparent;text-align:left;padding:10px;border-radius:9px;color:#c8ccd5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.conversation:hover,.conversation.active{background:var(--soft);color:white}.profile{border-top:1px solid var(--line);padding:15px 8px 2px;display:flex;gap:10px;align-items:center}.profile>div:first-child{width:34px;height:34px;border-radius:50%;background:#303746;display:grid;place-items:center;font-weight:700}.profile strong,.profile small{display:block;font-size:13px}.profile small{font-size:11px;color:var(--muted);margin-top:2px}main{min-width:0;flex:1;display:flex;flex-direction:column;background:radial-gradient(circle at 50% -20%,#202737 0,transparent 38%)}header{height:66px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 22px;gap:12px;background:rgba(11,13,18,.82);backdrop-filter:blur(18px)}header>div{flex:1}header strong,header small{display:block}header strong{font-size:14px}header small{color:var(--muted);font-size:11px;margin-top:4px}header i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:4px}header button{border:0;background:transparent;font-size:19px;color:var(--muted);cursor:pointer}#menu{display:none}#messages{flex:1;overflow:auto;padding:32px max(20px,calc((100% - 820px)/2));scroll-behavior:smooth}.welcome{text-align:center;max-width:650px;margin:12vh auto 0}.hero-mark{width:54px;height:54px;border-radius:16px;margin:auto;font-size:26px;box-shadow:0 14px 60px #9eff5630}.welcome h1{font-size:30px;letter-spacing:-.03em;margin:22px 0 8px}.welcome p{color:var(--muted);line-height:1.6;margin:0 auto 28px;max-width:540px}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.suggestions button{background:rgba(25,29,38,.8);border:1px solid var(--line);border-radius:13px;padding:15px;text-align:left;font-size:13px;cursor:pointer}.suggestions button:hover{border-color:#555e70}.message{max-width:100%;margin:0 0 26px;display:flex;gap:14px;line-height:1.62}.message .icon{width:31px;height:31px;border-radius:9px;display:grid;place-items:center;flex:none;background:#282e3a;font-weight:750;font-size:13px}.message.assistant .icon{background:linear-gradient(140deg,var(--accent),var(--accent2));color:#08120b}.message .content{min-width:0;padding-top:3px;white-space:pre-wrap;overflow-wrap:anywhere}.message.user .content{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:11px 15px;margin-left:auto;max-width:78%}.message.user{flex-direction:row-reverse}.typing span{display:inline-block;width:6px;height:6px;background:var(--muted);border-radius:50%;margin:8px 3px;animation:pulse 1.2s infinite}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes pulse{50%{opacity:.2;transform:translateY(-3px)}}#composer{padding:10px max(20px,calc((100% - 820px)/2)) calc(12px + env(safe-area-inset-bottom));background:linear-gradient(transparent,var(--bg) 20%)}.compose-box{border:1px solid #343a48;background:#151922;border-radius:18px;padding:13px 14px 9px;box-shadow:0 18px 50px #0007}.compose-box:focus-within{border-color:#5b6579}textarea{display:block;width:100%;resize:none;background:transparent;border:0;outline:0;color:var(--text);max-height:180px;line-height:1.5}textarea::placeholder{color:#737b89}.compose-actions{display:flex;align-items:center;margin-top:8px}.compose-actions button{width:32px;height:32px;border:0;border-radius:10px;cursor:pointer}.compose-actions span{flex:1;color:#717988;font-size:10px;margin-left:8px}.compose-actions #attach{background:#242a35;font-size:20px}.compose-actions #send{background:var(--accent);color:#081008;font-size:20px;font-weight:800}#composer>small{display:block;text-align:center;color:#606775;font-size:10px;margin-top:8px}#toast{position:fixed;bottom:110px;left:50%;transform:translate(-50%,20px);background:#252b36;border:1px solid #3a4251;border-radius:10px;padding:10px 14px;font-size:12px;opacity:0;pointer-events:none;transition:.2s;z-index:5}#toast.show{opacity:1;transform:translate(-50%,0)}#scrim{display:none}@media(max-width:720px){aside{position:fixed;z-index:10;inset:0 auto 0 0;transform:translateX(-100%);transition:.2s;width:min(86vw,320px)}aside.open{transform:none}.brand #closeNav,#menu{display:block}#scrim{position:fixed;z-index:9;inset:0;background:#0009}#scrim.open{display:block}header{height:58px;padding:0 14px}#messages{padding:23px 14px}.welcome{margin-top:8vh}.welcome h1{font-size:26px}.suggestions{grid-template-columns:1fr}.suggestions button{padding:12px}.message.user .content{max-width:88%}#composer{padding:8px 10px calc(8px + env(safe-area-inset-bottom))}.compose-actions span{display:none}}