:root{color:#202124;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#eef1f5;font-family:Inter,Arial,Helvetica,sans-serif}html,body,#root{width:100%;min-width:0;height:100%;min-height:100%;margin:0}body{overflow:hidden}button,textarea{font:inherit}*{box-sizing:border-box}:root{color:#202124;font-synthesis:none;text-rendering:optimizelegibility;background:#eef1f5;font-family:Inter,Arial,Helvetica,sans-serif}html,body,#root{width:100%;height:100%;margin:0}body{background:radial-gradient(circle at 10% 10%,#fffffff2,#0000 35%),radial-gradient(circle at 90% 90%,#d2dcebb3,#0000 40%),#eef1f5;overflow:hidden}.app{gap:14px;width:100%;height:100vh;padding:14px;display:flex}.sidebar{-webkit-backdrop-filter:blur(24px);background:#ffffff94;border:1px solid #ffffffbf;border-radius:22px;flex-direction:column;flex-shrink:0;width:245px;height:100%;display:flex;overflow:hidden;box-shadow:0 10px 40px #1f263414,inset 0 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#0000;border-radius:12px;justify-content:space-between;align-items:center;gap:8px;min-height:42px;margin-bottom:4px;padding:9px 9px 9px 12px;transition:background .18s,border .18s,transform .18s;display:flex}.history-item:hover{background:#ffffff8c;border-color:#ffffffa6}.history-item.active{background:#fffc;border-color:#ffffffe6;box-shadow:0 4px 15px #1f26340d}.history-item span{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:13px;overflow:hidden}.delete-chat{color:#8b9099;cursor:pointer;background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:25px;height:25px;padding:0;font-size:17px;transition:background .18s,color .18s;display:flex}.delete-chat:hover{color:#d44d4d;background:#dc46461a}.main{-webkit-backdrop-filter:blur(24px);background:#ffffff7a;border:1px solid #ffffffb8;border-radius:22px;flex-direction:column;flex:1;min-width:0;height:100%;display:flex;position:relative;overflow:hidden;box-shadow:0 10px 40px #1f263414,inset 0 1px #fffc}.header{background:#ffffff47;border-bottom:1px solid #ffffffa6;flex-shrink:0;justify-content:space-between;align-items:center;height:60px;padding:0 24px;display:flex}.header h1{letter-spacing:-.3px;margin:0;font-size:18px;font-weight:650}.header span{color:#727782;background:#ffffff7a;border:1px solid #ffffffbf;border-radius:999px;padding:6px 10px;font-size:12px}.chat{flex:1;width:100%;max-width:900px;margin:0 auto;padding:30px 30px 135px;overflow-y:auto}.chat::-webkit-scrollbar{width:7px}.chat::-webkit-scrollbar-thumb{background:#5058692e;border-radius:10px}.welcome{text-align:center;margin-top:18vh}.welcome h2{letter-spacing:-1px;color:#252832;margin:0 0 9px;font-size:30px;font-weight:650}.welcome p{color:#777d88;margin:0;font-size:14px}.message{white-space:pre-wrap;overflow-wrap:anywhere;border-radius:17px;width:fit-content;max-width:75%;margin-bottom:15px;padding:11px 15px;font-size:14px;line-height:1.55;animation:.18s ease-out messageAppear}@keyframes messageAppear{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.message.user{color:#fff;background:#23262df0;border:1px solid #ffffff14;margin-left:auto;box-shadow:0 5px 18px #1e222a1f}.message.assistant{color:#292d35;background:#ffffffad;border:1px solid #ffffffd9;box-shadow:0 5px 20px #1f26340b}.input-area{z-index:5;-webkit-backdrop-filter:blur(10px);background:linear-gradient(#fff0,#ffffffa6 25%,#ffffffd1);justify-content:center;padding:16px 24px 20px;display:flex;position:absolute;bottom:0;left:0;right:0}textarea{resize:none;color:#252830;-webkit-backdrop-filter:blur(14px);background:#ffffffc7;border:1px solid #bec3cca6;border-radius:16px;outline:none;flex:1;min-height:48px;max-height:150px;padding:13px 15px;font-family:inherit;font-size:14px;line-height:1.45;transition:border .18s,box-shadow .18s,background .18s;box-shadow:0 8px 25px #1f263412,inset 0 1px #fffffff2}textarea::placeholder{color:#9297a0}textarea:focus{background:#ffffffeb;border-color:#646e828c;box-shadow:0 9px 28px #1f26341a,0 0 0 3px #78829614}.input-area button{color:#fff;cursor:pointer;background:#23262df5;border:1px solid #ffffff2e;border-radius:15px;min-width:82px;height:48px;padding:0 18px;font-family:inherit;font-size:13px;font-weight:550;transition:transform .18s,box-shadow .18s,opacity .18s;box-shadow:0 7px 20px #1e222a24}.input-area button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 10px 24px #1e222a2e}.input-area button:active:not(:disabled){transform:translateY(0)}.input-area button:disabled{opacity:.45;cursor:default}.header-left{align-items:center;gap:10px;display:flex}.menu-button{color:#343840;cursor:pointer;background:#ffffff8c;border:1px solid #ffffffbf;border-radius:11px;justify-content:center;align-items:center;width:36px;height:36px;padding:0;font-size:18px;line-height:1;transition:background .18s,transform .18s;display:none;box-shadow:0 4px 12px #1f26340f}.menu-button:hover{background:#ffffffe6;transform:translateY(-1px)}@media (width<=750px){.app{gap:0;padding:0;position:relative}.sidebar{z-index:100;border-radius:0 22px 22px 0;width:275px;height:100vh;transition:transform .28s cubic-bezier(.4,0,.2,1);position:fixed;top:0;bottom:0;left:0;transform:translate(-105%);box-shadow:10px 0 40px #1f263429}.sidebar.sidebar-open{transform:translate(0)}.main{border:none;border-radius:0;width:100%;height:100vh}.menu-button{display:flex}.header{height:58px;padding:0 15px}.header h1{font-size:17px}.chat{width:100%;padding:24px 14px 125px}.message{max-width:88%;font-size:14px}.input-area{padding:10px 10px 14px}textarea{min-height:46px;font-size:14px}.input-area button{min-width:65px;height:46px;padding:0 12px}}@media (width<=520px){.sidebar{width:285px}.chat{padding-left:11px;padding-right:11px}.message{max-width:92%;font-size:13px}textarea{font-size:13px}}.sidebar-overlay{display:none}@media 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h2{font-size:26px}.message{max-width:min(92%,680px);margin-bottom:11px;padding:12px 14px;line-height:1.5}.input-area{padding:8px 10px calc(10px + env(safe-area-inset-bottom));gap:8px}textarea{appearance:none;min-width:0;min-height:46px;max-height:150px;padding:12px 13px;font-size:16px;line-height:1.4}.input-area button{flex-shrink:0;width:76px;min-width:76px;height:46px;padding:0 10px;font-size:13px}.sidebar{height:100dvh;padding-bottom:env(safe-area-inset-bottom)}.sidebar-top{padding-top:calc(18px + env(safe-area-inset-top))}.new-chat{height:46px;min-height:46px}.history-item{min-height:48px;padding:9px 8px 9px 12px}.delete-chat{width:38px;height:38px;font-size:21px}}@media (width<=420px){.header{padding-left:10px;padding-right:10px}.header span{padding:5px 8px;font-size:11px}.chat{padding-left:9px;padding-right:9px}.message{max-width:94%;font-size:14px}.input-area button{width:70px;min-width:70px}}@media (width<=750px) and (orientation:landscape){.chat{padding-bottom:105px}.welcome{margin-top:5vh}}