:root{
  --ink:#151517;--muted:#77777c;--line:rgba(0,0,0,.075);
  --glass:rgba(255,255,255,.58);--glass2:rgba(255,255,255,.76);
  --shadow:0 18px 55px rgba(0,0,0,.09),inset 0 1px rgba(255,255,255,.78);
  --ease:cubic-bezier(.22,1,.36,1)
}
*{box-sizing:border-box} html,body{margin:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",Inter,Arial,sans-serif;color:var(--ink)}
body{min-height:100dvh;background:#f6f6f4;overflow-x:hidden}
button,textarea{font:inherit}.aurora{position:fixed;inset:0;overflow:hidden;z-index:-2;background:linear-gradient(180deg,#fafaf8,#f2f3f5)}
.aurora i{position:absolute;width:44vw;height:44vw;border-radius:50%;filter:blur(80px);opacity:.18;animation:drift 16s var(--ease) infinite alternate}
.aurora i:nth-child(1){background:#80bfff;left:-10%;top:-15%}.aurora i:nth-child(2){background:#d8a8ff;right:-12%;top:20%;animation-delay:-5s}.aurora i:nth-child(3){background:#9ff0d0;left:30%;bottom:-25%;animation-delay:-9s}
@keyframes drift{to{transform:translate3d(6vw,4vh,0) scale(1.12)}}
.glass{background:var(--glass);border:1px solid rgba(255,255,255,.72);box-shadow:var(--shadow);backdrop-filter:blur(28px) saturate(150%);-webkit-backdrop-filter:blur(28px) saturate(150%)}
.topbar{position:fixed;z-index:20;top:max(14px,env(safe-area-inset-top));left:50%;transform:translateX(-50%);height:54px;width:min(720px,calc(100% - 28px));border-radius:27px;display:grid;grid-template-columns:48px 1fr 48px;align-items:center;padding:3px 5px;transition:.45s var(--ease)}
.wordmark{text-align:center;text-decoration:none;color:inherit;font-weight:650;letter-spacing:-.025em;font-size:18px}
.icon-btn,.profile,.attach,.send{border:0;background:transparent;cursor:pointer;color:inherit}
.icon-btn{width:42px;height:42px;border-radius:50%;display:grid;place-items:center}.icon-btn svg,.send svg{width:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.profile{width:36px;height:36px;border-radius:50%;background:#151517;color:#fff;justify-self:end;font-weight:650}
main{width:min(820px,calc(100% - 32px));margin:auto;padding:130px 0 190px}
.welcome{min-height:55dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;transition:.6s var(--ease)}
.welcome.hide{opacity:0;transform:translateY(-18px) scale(.985);min-height:0;height:0;overflow:hidden}
.welcome h1{font-size:clamp(34px,6vw,58px);line-height:1;letter-spacing:-.055em;margin:25px 0 10px;font-weight:650}
.welcome p{color:var(--muted);font-size:17px;margin:0}
.orb{width:66px;height:66px;border-radius:50%;padding:1px;background:linear-gradient(145deg,rgba(255,255,255,.9),rgba(255,255,255,.15));box-shadow:0 15px 45px rgba(70,90,130,.16);animation:float 5s ease-in-out infinite}
.orb span{display:block;width:100%;height:100%;border-radius:inherit;background:radial-gradient(circle at 30% 25%,#fff 0 9%,#b7d8ff 30%,#c5b3ff 58%,#9ee6dc 100%);filter:saturate(.8)}
@keyframes float{50%{transform:translateY(-7px) scale(1.025)}}
.conversation{display:flex;flex-direction:column;gap:28px}
.message{animation:enter .5s var(--ease) both;line-height:1.58;font-size:16px}
@keyframes enter{from{opacity:0;transform:translateY(12px);filter:blur(5px)}}
.message.user{align-self:flex-end;max-width:78%;padding:12px 16px;border-radius:22px 22px 7px 22px;background:rgba(255,255,255,.68);border:1px solid rgba(255,255,255,.8);box-shadow:0 8px 25px rgba(0,0,0,.055)}
.message.ai{align-self:flex-start;max-width:92%;padding:2px 4px}.message.ai .name{font-size:12px;font-weight:700;margin-bottom:7px;color:#666}
.thinking{display:inline-flex;gap:5px;padding:8px 0}.thinking i{width:6px;height:6px;border-radius:50%;background:#777;animation:pulse 1.15s infinite}.thinking i:nth-child(2){animation-delay:.15s}.thinking i:nth-child(3){animation-delay:.3s}@keyframes pulse{50%{opacity:.25;transform:translateY(-3px)}}
.composer-wrap{position:fixed;z-index:15;left:50%;bottom:max(16px,env(safe-area-inset-bottom));transform:translateX(-50%);width:min(760px,calc(100% - 24px))}
.composer{min-height:62px;border-radius:31px;display:flex;align-items:flex-end;padding:8px;transition:box-shadow .35s var(--ease),transform .35s var(--ease)}
.composer:focus-within{box-shadow:0 22px 65px rgba(0,0,0,.13),inset 0 1px rgba(255,255,255,.9);transform:translateY(-2px)}
.attach,.send{flex:0 0 46px;width:46px;height:46px;border-radius:50%;font-size:25px;display:grid;place-items:center;transition:.25s var(--ease)}
.attach:hover{background:rgba(0,0,0,.05)}.send{background:#171719;color:white;transform:scale(.86);opacity:.35}.send.ready{transform:scale(1);opacity:1}.send:active{transform:scale(.9)}
textarea{resize:none;overflow:auto;max-height:160px;min-height:46px;flex:1;border:0;outline:0;background:transparent;padding:12px 5px;font-size:16px;color:inherit}
textarea::placeholder{color:#8c8c91}.hint{text-align:center;font-size:10.5px;color:#8a8a8f;margin-top:7px}
.drawer{position:fixed;z-index:40;top:12px;bottom:12px;left:12px;width:min(360px,calc(100% - 24px));border-radius:30px;padding:18px;transform:translateX(calc(-100% - 30px));transition:.5s var(--ease)}
.drawer.open{transform:none}.drawer-head{display:flex;align-items:center;justify-content:space-between;font-size:20px}.drawer-head .icon-btn{font-size:28px}.new-chat{width:100%;border:0;border-radius:18px;padding:13px;margin:18px 0;background:rgba(255,255,255,.72);font-weight:600;cursor:pointer}.history{font-size:13px;padding:6px}.muted{color:var(--muted)}
.scrim{position:fixed;z-index:35;inset:0;background:rgba(20,20,24,.12);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:.35s}.scrim.show{opacity:1;pointer-events:auto}
@media(max-width:600px){.topbar{top:max(8px,env(safe-area-inset-top))}main{padding-top:100px}.welcome{min-height:58dvh}.message.user{max-width:88%}.composer-wrap{bottom:max(8px,env(safe-area-inset-bottom))}.hint{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* LCLOUDS Identity — v0.2 */
.auth-layer{position:fixed;z-index:100;inset:0;display:grid;place-items:center;padding:22px;background:rgba(245,247,250,.28);backdrop-filter:blur(22px) saturate(120%);-webkit-backdrop-filter:blur(22px) saturate(120%);opacity:0;pointer-events:none;transition:.5s var(--ease)}
.auth-layer.show{opacity:1;pointer-events:auto}.auth-card{width:min(430px,100%);border-radius:34px;padding:34px 30px 28px;text-align:center;transform:translateY(14px) scale(.985);transition:.55s var(--ease)}.auth-layer.show .auth-card{transform:none}.auth-orb{margin:0 auto;width:54px;height:54px}.auth-card h2{font-size:30px;letter-spacing:-.045em;margin:20px 0 6px}.auth-copy,.auth-foot{color:var(--muted);margin:0 0 24px}.auth-foot{font-size:11px;margin:18px 0 0}.auth-card form{text-align:left}.auth-card label{display:block;font-size:12px;font-weight:650;margin:12px 0;color:#555}.auth-card input{display:block;width:100%;margin-top:7px;border:1px solid rgba(0,0,0,.08);background:rgba(255,255,255,.72);border-radius:17px;padding:14px 15px;outline:none;font:inherit;box-shadow:inset 0 1px rgba(255,255,255,.8);transition:.25s}.auth-card input:focus{border-color:rgba(0,0,0,.22);background:rgba(255,255,255,.9);box-shadow:0 0 0 4px rgba(0,0,0,.035)}.auth-primary{width:100%;border:0;border-radius:18px;padding:14px;margin-top:16px;background:#151517;color:#fff;font-weight:650;cursor:pointer;transition:.25s var(--ease)}.auth-primary:active{transform:scale(.98)}.auth-primary:disabled{opacity:.5}.auth-error{min-height:18px;text-align:center;color:#b42318;font-size:12px;margin-top:10px}.account-pop{position:fixed;z-index:60;top:78px;left:calc(50% + min(360px,calc(50% - 14px)) - 220px);width:220px;border-radius:20px;padding:15px;display:grid;gap:4px;animation:enter .3s var(--ease)}.account-pop[hidden]{display:none}.account-pop span{font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis}.account-pop button{border:0;background:rgba(0,0,0,.055);border-radius:12px;padding:9px;margin-top:8px;cursor:pointer}.profile.logged{background:linear-gradient(145deg,#171719,#3a3a3e)}
/* Dedicated LCLOUDS sign-in */
.login-page{min-height:100svh;overflow:hidden;background:#f8f9fb;color:#111}.login-page .aurora{opacity:.88}.login-shell{position:relative;z-index:2;min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:38px 22px}.login-brand{position:absolute;top:34px;left:50%;transform:translateX(-50%);color:#171719;text-decoration:none;font-weight:700;font-size:19px;letter-spacing:-.035em}.login-panel{width:min(420px,calc(100vw - 34px));padding:36px 34px 30px;border-radius:34px;text-align:center;background:rgba(255,255,255,.68);border:1px solid rgba(255,255,255,.9);box-shadow:0 24px 70px rgba(50,55,70,.12),inset 0 1px 0 rgba(255,255,255,.95);backdrop-filter:blur(34px) saturate(150%);-webkit-backdrop-filter:blur(34px) saturate(150%);animation:loginIn .7s var(--ease) both}.login-panel .auth-orb{width:58px;height:58px;margin:0 auto 20px}.login-heading h1{margin:0;font-size:32px;letter-spacing:-.05em}.login-heading p{margin:8px auto 25px;color:#707078;font-size:14px;line-height:1.45;max-width:290px}.login-form{text-align:left}.field{margin:13px 0}.field label{display:block;margin:0 0 7px 2px;font-size:12px;font-weight:650;color:#56565d}.field input{box-sizing:border-box;width:100%;height:50px;padding:0 15px;border:1px solid rgba(0,0,0,.075);border-radius:16px;background:rgba(255,255,255,.82);outline:none;font:inherit;box-shadow:inset 0 1px 0 #fff;transition:border-color .2s,box-shadow .2s,transform .2s}.field input:focus{border-color:rgba(0,0,0,.2);box-shadow:0 0 0 4px rgba(0,0,0,.035),inset 0 1px 0 #fff}.login-form .auth-primary{height:50px;margin-top:8px;border-radius:16px}.login-divider{display:flex;align-items:center;gap:12px;margin:23px 0 12px;color:#96969e}.login-divider span{height:1px;flex:1;background:rgba(0,0,0,.08)}.login-divider small{font-size:9px;font-weight:700;letter-spacing:.12em}.login-foot{margin:0;color:#777780;font-size:12px}.login-legal{position:absolute;bottom:24px;margin:0;color:#9999a1;font-size:10px}.login-success{opacity:0;transform:scale(.985)!important;transition:.4s var(--ease)}@keyframes loginIn{from{opacity:0;transform:translateY(18px) scale(.985)}to{opacity:1;transform:none}}@media(max-width:520px){.login-shell{justify-content:center}.login-panel{padding:30px 22px 25px;border-radius:29px}.login-heading h1{font-size:29px}.login-brand{top:24px}}