@property --a{syntax:'<angle>';initial-value:0deg;inherits:false}
:root{--bg:#070b16;--tx:#eaf0ff;--mut:#8b97b5;--bd:rgba(255,255,255,.11);--glass:rgba(255,255,255,.055);--c1:#4f8cff;--c2:#8b5cf6;--c3:#22d3ee;
--font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI Variable","Segoe UI",system-ui,sans-serif}
*{box-sizing:border-box}[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{background:radial-gradient(1200px 700px at 70% -10%,#12204a 0%,var(--bg) 60%);color:var(--tx);font:15px/1.55 var(--font);letter-spacing:-.01em;overflow:hidden;-webkit-font-smoothing:antialiased}
.orb{position:fixed;border-radius:50%;filter:blur(90px);opacity:.5;pointer-events:none;animation:float 22s ease-in-out infinite alternate}
.o1{width:420px;height:420px;background:var(--c1);top:-120px;left:30%}.o2{width:380px;height:380px;background:var(--c2);bottom:-140px;right:10%;animation-delay:-8s}
.o3{width:300px;height:300px;background:var(--c3);top:45%;left:-100px;opacity:.28;animation-delay:-14s}
@keyframes float{to{transform:translate(70px,50px) scale(1.15)}}
.glass{background:var(--glass);border:1px solid var(--bd);backdrop-filter:blur(22px) saturate(160%);-webkit-backdrop-filter:blur(22px) saturate(160%);box-shadow:0 10px 40px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.08)}
.center{position:fixed;inset:0;display:grid;place-items:center;padding:16px}
.card{width:340px;padding:30px;border-radius:24px;display:flex;flex-direction:column;gap:12px;text-align:center;animation:rise .7s cubic-bezier(.2,.8,.2,1)}
.card h2{margin:4px 0 0;font-size:24px;font-weight:600}
.logo{width:46px;height:46px;margin:0 auto;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,var(--c1),var(--c2));box-shadow:0 0 28px rgba(79,140,255,.6);font-size:20px}
.logo.sm{width:26px;height:26px;border-radius:8px;font-size:12px;margin:0 10px 0 0;box-shadow:0 0 16px rgba(79,140,255,.6)}
.sub{color:var(--mut);margin:0}.err{color:#fda4af;margin:0;min-height:1em}
input,textarea{font:inherit;color:var(--tx);background:rgba(255,255,255,.06);border:1px solid var(--bd);border-radius:12px;padding:12px 14px;outline:0;transition:.2s}
input:focus{border-color:var(--c1);box-shadow:0 0 0 3px rgba(79,140,255,.25)}
.btn{border:0;border-radius:12px;padding:11px 16px;color:#fff;font:inherit;font-weight:600;cursor:pointer;background:linear-gradient(135deg,var(--c1),var(--c2));box-shadow:0 0 22px rgba(79,140,255,.4);transition:.2s}
.btn:hover{transform:translateY(-1px);box-shadow:0 0 32px rgba(139,92,246,.6)}.btn.wide{width:100%}
.app{display:flex;height:100%;position:relative}
.side{width:290px;flex:none;display:flex;flex-direction:column;padding:14px;margin:10px 0 10px 10px;border-radius:22px;overflow:hidden;transition:width .35s cubic-bezier(.2,.8,.2,1),margin .35s,padding .35s,opacity .25s}
.side.collapsed{width:0;padding:14px 0;margin-left:0;opacity:0;border-width:0}
.side-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;white-space:nowrap}.brand{display:flex;align-items:center;font-weight:600}
.icon{background:var(--glass);border:1px solid var(--bd);color:var(--tx);width:34px;height:34px;border-radius:10px;cursor:pointer;transition:.2s}.icon:hover{box-shadow:0 0 16px rgba(79,140,255,.5)}
.floating{position:absolute;top:14px;left:14px;z-index:5;animation:rise .4s}
.hist-label{color:var(--mut);font-size:12px;text-transform:uppercase;letter-spacing:.08em;margin:18px 6px 6px}
.hist{flex:1;overflow-y:auto;min-height:0;margin:0 -6px;padding:0 6px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.2) transparent}
.grp{color:var(--mut);font-size:11px;margin:12px 6px 4px}
.item{display:flex;align-items:center;gap:6px;padding:9px 10px;border-radius:10px;cursor:pointer;transition:.18s;white-space:nowrap;animation:rise .3s both}
.item span{flex:1;overflow:hidden;text-overflow:ellipsis}.item:hover{background:rgba(255,255,255,.08)}
.item.on{background:rgba(79,140,255,.18);box-shadow:inset 0 0 0 1px rgba(79,140,255,.45),0 0 18px rgba(79,140,255,.2)}
.item button{opacity:0;background:none;border:0;color:var(--mut);cursor:pointer}.item:hover button{opacity:1}.item button:hover{color:#fda4af}
.empty{color:var(--mut);padding:10px}
.side-bot{display:flex;gap:8px;padding-top:10px;border-top:1px solid var(--bd)}
.ghost{flex:1;background:none;border:1px solid var(--bd);color:var(--mut);border-radius:10px;padding:8px;cursor:pointer;font:inherit;font-size:13px;transition:.2s}.ghost:hover{color:var(--tx);border-color:var(--c1)}
.stage{flex:1;display:flex;flex-direction:column;min-width:0;padding:0 18px 16px;position:relative}
.hero{text-align:center;margin-top:auto}.hero h1{font-size:clamp(30px,5vw,50px);font-weight:600;letter-spacing:-.035em;margin:0 0 8px;line-height:1.1}
.hero h1 span{display:inline-block;margin-right:.28em;opacity:0;animation:word .8s cubic-bezier(.2,.8,.2,1) forwards;background:linear-gradient(100deg,#fff 20%,#9db8ff 45%,#c4a8ff 55%,#fff 80%);background-size:250% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation-name:word,shine;animation-duration:.8s,6s;animation-iteration-count:1,infinite;animation-timing-function:cubic-bezier(.2,.8,.2,1),linear}
@keyframes word{from{opacity:0;transform:translateY(18px);filter:blur(10px)}to{opacity:1;transform:none;filter:none}}
@keyframes shine{to{background-position:-250% 0}}@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.log{flex:1;overflow-y:auto;display:none;flex-direction:column;gap:14px;padding:64px 4px 14px;width:100%;max-width:820px;margin:0 auto;scrollbar-width:thin}
.stage.has .log{display:flex}.stage.has .hero{display:none}.stage:not(.has) .composer-wrap{margin-bottom:auto}
.m{padding:12px 16px;border-radius:18px;max-width:88%;white-space:pre-wrap;word-break:break-word;animation:rise .35s both}
.m.me{align-self:flex-end;background:linear-gradient(135deg,rgba(79,140,255,.85),rgba(139,92,246,.85));box-shadow:0 0 26px rgba(79,140,255,.35)}
.m.bot{align-self:flex-start;background:var(--glass);border:1px solid var(--bd);backdrop-filter:blur(16px)}
.dots i{display:inline-block;width:7px;height:7px;margin:0 2px;border-radius:50%;background:var(--c3);box-shadow:0 0 10px var(--c3);animation:dot 1s infinite}.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
@keyframes dot{50%{transform:translateY(-6px);opacity:.4}}
.composer-wrap{width:100%;max-width:820px;margin:0 auto}
.composer{position:relative;display:flex;align-items:flex-end;gap:10px;padding:10px;border-radius:24px;margin-top:22px}
.composer::before{content:"";position:absolute;inset:-1px;border-radius:25px;padding:1px;background:conic-gradient(from var(--a),transparent 0 55%,var(--c1),var(--c2),var(--c3),transparent 95%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:spin 5s linear infinite;pointer-events:none;opacity:.8}
.composer:focus-within{box-shadow:0 0 50px rgba(79,140,255,.28),0 10px 40px rgba(0,0,0,.35)}
@keyframes spin{to{--a:360deg}}
.composer textarea{flex:1;resize:none;max-height:180px;background:none;border:0;padding:10px 12px}.composer textarea:focus{box-shadow:none}
.send{width:42px;height:42px;border:0;border-radius:14px;color:#fff;font-size:20px;cursor:pointer;background:linear-gradient(135deg,var(--c1),var(--c2));box-shadow:0 0 20px rgba(79,140,255,.5);transition:.2s}.send:hover{transform:scale(1.07)}
.chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:14px}
.chips button{background:var(--glass);border:1px solid var(--bd);color:var(--tx);border-radius:999px;padding:7px 14px;font:inherit;font-size:13px;cursor:pointer;backdrop-filter:blur(10px);transition:.2s}
.chips button:hover{border-color:var(--c1);box-shadow:0 0 18px rgba(79,140,255,.45);transform:translateY(-2px)}
.stage.has .chips{display:none}.scrim{display:none}
@media(max-width:800px){.side{position:fixed;z-index:20;top:0;bottom:0;left:0;margin:10px;width:280px;max-width:86vw}.side.collapsed{margin-left:0;width:0}
.scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:15;opacity:0;pointer-events:none;transition:.3s}.scrim.on{opacity:1;pointer-events:auto}}
@media(prefers-reduced-motion:reduce){*,*::before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}