*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;min-height:100%}body{color:#fff;background:#0f1117;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}#app{width:100%;min-height:100vh}.auth-app{justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-card{background:#181b24;border:1px solid #292d38;border-radius:16px;width:100%;max-width:420px;padding:28px 22px;animation:.35s authAppear;box-shadow:0 20px 50px #00000059}.auth-header{text-align:center;margin-bottom:28px}.auth-header h1{margin-bottom:8px;font-size:24px;font-weight:700}.auth-header p{color:#969ba8;font-size:14px}.auth-form{flex-direction:column;gap:18px;display:flex}.form-group{flex-direction:column;gap:8px;display:flex}.form-group label{color:#d7dae2;font-size:14px;font-weight:500}.form-group input{color:#fff;background:#10131a;border:1px solid #303541;border-radius:9px;outline:none;width:100%;padding:13px 14px;font-size:15px;transition:border-color .2s,box-shadow .2s}.form-group input::placeholder{color:#666b78}.form-group input:focus{border-color:#7c5cff;box-shadow:0 0 0 3px #7c5cff26}.password-input-wrapper{position:relative}.password-input-wrapper input{padding-right:48px}.password-toggle{color:#969ba8;cursor:pointer;background:0 0;border:none;border-radius:7px;justify-content:center;align-items:center;width:34px;height:34px;transition:background .2s,color .2s;display:flex;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.password-toggle:hover,.password-toggle:focus-visible{color:#fff;background:#252934}.password-toggle:focus-visible{outline-offset:2px;outline:2px solid #8b72ff}.password-toggle svg{stroke:currentColor;stroke-width:1.7px;width:18px;height:18px}.auth-button{color:#fff;cursor:pointer;background:#7c5cff;border:none;border-radius:9px;width:100%;padding:13px;font-size:15px;font-weight:600;transition:background .2s,transform .15s}.auth-button:hover{background:#6d4ff0}.auth-button:active{transform:scale(.98)}.auth-button:disabled{cursor:wait;opacity:.8}.button-spinner{vertical-align:-2px;border:2px solid #ffffff59;border-top-color:#fff;border-radius:50%;width:14px;height:14px;margin-right:8px;animation:.7s linear infinite buttonSpin;display:inline-block}@keyframes buttonSpin{to{transform:rotate(360deg)}}.auth-error{color:#ff6b6b;text-align:center;min-height:18px;font-size:13px}.auth-switch{text-align:center;color:#969ba8;margin-top:22px;font-size:14px}.auth-link{color:#8b72ff;cursor:pointer;background:0 0;border:none;margin-left:4px;font-size:14px;font-weight:600}.auth-link:hover{text-decoration:underline}.chat-app{background:#0f1117;flex-direction:column;width:100%;height:100vh;display:flex}.chat-header{z-index:1;background:#141720;border-bottom:1px solid #292d38;flex-shrink:0;justify-content:space-between;align-items:center;height:64px;padding:0 16px;display:flex;position:sticky;top:0}.chat-header h1{font-size:18px;font-weight:700}.logout-button{color:#b8bcc7;cursor:pointer;background:0 0;border:1px solid #303541;border-radius:8px;padding:7px 11px;font-size:13px;transition:background .2s,color .2s}.logout-button:hover{color:#fff;background:#252934}.chat-messages{scroll-behavior:smooth;flex-direction:column;flex:1;gap:18px;min-height:0;padding:20px 14px;display:flex;overflow-y:auto}.message{align-items:flex-start;gap:10px;max-width:100%;display:flex}.message-icon{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;display:flex}.message-icon svg{stroke:currentColor;stroke-width:1.7px;width:18px;height:18px}.user-message{flex-direction:row-reverse}.user-icon{color:#c8ccd6;background:#292d38}.user-message .message-content{color:#fff;background:#7c5cff;border-radius:14px 4px 14px 14px}.assistant-icon{color:#a996ff;background:#252934}.assistant-message .message-content{color:#e5e7ed;background:#181b24;border:1px solid #292d38;border-radius:4px 14px 14px}.message-content{word-wrap:break-word;overflow-wrap:anywhere;max-width:calc(100% - 40px);padding:11px 13px;font-size:14px;line-height:1.55}.chat-input-area{background:#141720;border-top:1px solid #292d38;flex-shrink:0;align-items:center;gap:8px;padding:10px 12px;display:flex}.chat-input-area input{color:#fff;background:#10131a;border:1px solid #303541;border-radius:9px;outline:none;flex:1;min-width:0;padding:12px 13px;font-size:14px}.chat-input-area input::placeholder{color:#666b78}.chat-input-area input:focus{border-color:#7c5cff;box-shadow:0 0 0 3px #7c5cff1f}#send-button{color:#fff;cursor:pointer;background:#7c5cff;border:none;border-radius:9px;flex-shrink:0;padding:12px 15px;font-size:14px;font-weight:600;transition:background .2s,transform .15s}#send-button:hover{background:#6d4ff0}#send-button:active{transform:scale(.96)}.thinking-content{color:#969ba8}.thinking-dots{vertical-align:bottom;width:18px;animation:1.2s steps(4,end) infinite thinkingDots;display:inline-block;overflow:hidden}.chat-messages::-webkit-scrollbar{width:5px}.chat-messages::-webkit-scrollbar-track{background:0 0}.chat-messages::-webkit-scrollbar-thumb{background:#303541;border-radius:10px}@keyframes authAppear{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes thinkingDots{0%{width:0}33%{width:6px}66%{width:12px}to{width:18px}}@media (width>=600px){.auth-card{padding:34px 30px}.chat-messages{padding:24px 20px}.message{max-width:85%}.message-content{max-width:700px}.chat-input-area{padding:12px 20px}}@media (width>=900px){.chat-header{padding:0 28px}.chat-header h1{font-size:20px}.chat-messages{gap:20px;padding:30px}.message{max-width:75%}.chat-input-area{padding:14px 30px}.chat-input-area input{font-size:15px}}@media (width>=1200px){.chat-messages,.chat-input-area{padding-left:max(30px,50vw - 500px);padding-right:max(30px,50vw - 500px)}}.landing-app{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.landing-content{text-align:center;flex-direction:column;align-items:center;width:100%;max-width:520px;animation:.5s landingAppear;display:flex}.landing-brand{flex-direction:column;align-items:center;gap:16px;display:flex}.landing-icon{color:#a996ff;background:#181b24;border:1px solid #292d38;border-radius:18px;justify-content:center;align-items:center;width:64px;height:64px;display:flex;box-shadow:0 12px 35px #0000004d}.landing-icon svg{stroke:currentColor;stroke-width:1.6px;width:34px;height:34px}.landing-brand h1{letter-spacing:-.5px;font-size:28px;font-weight:700}.landing-description{color:#969ba8;max-width:400px;margin-top:18px;font-size:15px;line-height:1.6}.auth-back-button{color:#969ba8;cursor:pointer;background:0 0;border:none;margin:16px auto 0;font-size:13px;transition:color .2s,transform .15s;display:block}.auth-back-button:hover{color:#fff}.auth-back-button:active{transform:translate(-2px)}.ask-ai-button{color:#fff;cursor:pointer;background:#7c5cff;border:none;border-radius:10px;min-width:150px;margin-top:30px;padding:13px 24px;font-size:15px;font-weight:600;transition:background .2s,transform .15s,box-shadow .2s;box-shadow:0 8px 25px #7c5cff33}.ask-ai-button:hover{background:#6d4ff0;box-shadow:0 10px 30px #7c5cff4d}.ask-ai-button:active{transform:scale(.97)}@keyframes landingAppear{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media (width>=600px){.landing-brand h1{font-size:34px}.landing-description{font-size:16px}.landing-icon{width:72px;height:72px}.landing-icon svg{width:38px;height:38px}}