:root{--primary: #FF6346;--secondary: #7394FF;--bg-primary: #F6F7FB;--bg-card: #FFFFFF;--bg-login-card: #000000;--text-primary: #000000;--text-secondary: #757679;--success: #21AE73;--warning: #EB8237;--error: #DD2652;--radius-card: 24px;--radius-button: 40px;--radius-bubble: 16px;--font-headline: "Readex Pro", sans-serif;--font-body: "Inter", sans-serif;--max-width: 886px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);height:100vh;-webkit-font-smoothing:antialiased}#app{height:100%}.login-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:1rem;background:var(--bg-primary)}.login-card{background:var(--bg-login-card);color:#fff;padding:3rem 2.5rem;border-radius:var(--radius-card);width:100%;max-width:420px;text-align:center}.login-logo{width:72px;height:72px;margin-bottom:1.5rem;border-radius:16px}.login-title{font-family:var(--font-headline);font-size:1.75rem;font-weight:600;margin-bottom:.5rem;color:#fff}.login-subtitle{color:var(--text-secondary);margin-bottom:2rem;font-size:.9375rem}#login-form input{display:block;width:100%;padding:.875rem 1.25rem;margin-bottom:1rem;border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-button);font-size:1rem;font-family:var(--font-body);background:#ffffff14;color:#fff;outline:none;transition:border-color .2s}#login-form input::placeholder{color:var(--text-secondary)}#login-form input:focus{border-color:var(--primary)}#login-form button{width:100%;padding:.875rem;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-button);font-size:1rem;font-family:var(--font-body);font-weight:500;cursor:pointer;transition:opacity .2s}#login-form button:hover{opacity:.9}#login-form button:disabled{opacity:.5;cursor:not-allowed}.login-error{color:var(--error);margin-bottom:1rem;font-size:.875rem}.chat-wrapper{display:flex;flex-direction:column;height:100vh;max-width:var(--max-width);margin:0 auto;background:var(--bg-card)}@media(min-width:920px){.chat-wrapper{border-left:1px solid #EBEBED;border-right:1px solid #EBEBED}}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid #EBEBED;background:var(--bg-card)}.chat-header-left{display:flex;align-items:center;gap:.75rem}.header-logo{width:36px;height:36px;border-radius:8px}.header-name{font-family:var(--font-body);font-weight:500;font-size:.9375rem;color:var(--text-primary)}.logout-btn{background:none;border:1px solid #EBEBED;padding:.5rem 1.25rem;border-radius:var(--radius-button);cursor:pointer;font-family:var(--font-body);font-size:.875rem;color:var(--text-secondary);transition:border-color .2s,color .2s}.logout-btn:hover{border-color:var(--text-secondary);color:var(--text-primary)}.chat-messages{flex:1;overflow-y:auto;padding:1.5rem;background:var(--bg-primary)}.message{margin-bottom:1rem;display:flex}.message-user{justify-content:flex-end}.message-assistant{justify-content:flex-start}.bubble{max-width:75%;padding:.875rem 1.125rem;border-radius:var(--radius-bubble);word-break:break-word;font-size:.9375rem;line-height:1.6}.bubble-user{background:var(--bg-primary);color:var(--text-primary);border:1px solid #EBEBED;border-bottom-right-radius:4px;white-space:pre-wrap}.bubble-assistant{background:var(--bg-login-card);color:#fff;border-bottom-left-radius:4px}.chat-input-wrapper{padding:1rem 1.5rem;border-top:1px solid #EBEBED;background:var(--bg-card)}.chat-form{display:flex;gap:.75rem;align-items:flex-end}.chat-form textarea{flex:1;padding:.875rem 1.25rem;border:1px solid #EBEBED;border-radius:var(--radius-button);font-size:.9375rem;font-family:var(--font-body);resize:none;overflow-y:auto;line-height:1.5;max-height:150px;outline:none;transition:border-color .2s;color:var(--text-primary);background:var(--bg-primary)}.chat-form textarea::placeholder{color:var(--text-secondary)}.chat-form textarea:focus{border-color:var(--primary)}.send-btn{padding:.875rem 1.5rem;background:var(--primary);color:#fff;border:none;border-radius:var(--radius-button);cursor:pointer;font-size:.9375rem;font-family:var(--font-body);font-weight:500;transition:opacity .2s;white-space:nowrap}.send-btn:hover{opacity:.9}.send-btn:disabled{opacity:.4;cursor:not-allowed}.thinking-dots span{animation:blink 1.4s infinite}.thinking-dots span:nth-child(2){animation-delay:.2s}.thinking-dots span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,20%{opacity:1}50%{opacity:.3}to{opacity:1}}.bubble-assistant p{margin-bottom:.5rem}.bubble-assistant p:last-child{margin-bottom:0}.bubble-assistant code{background:#ffffff1f;padding:.15em .4em;border-radius:6px;font-size:.875em}.bubble-assistant pre{background:#ffffff14;padding:.875rem;border-radius:12px;overflow-x:auto;margin:.5rem 0}.bubble-assistant pre code{background:none;padding:0}.bubble-assistant ul,.bubble-assistant ol{padding-left:1.5rem;margin-bottom:.5rem}.bubble-assistant li{margin-bottom:.25rem}.bubble-assistant a{color:var(--secondary);text-decoration:underline}.bubble-assistant strong{font-weight:600}.bubble-assistant h1,.bubble-assistant h2,.bubble-assistant h3{font-family:var(--font-headline);margin:.75rem 0 .5rem}.bubble-assistant h1{font-size:1.25rem}.bubble-assistant h2{font-size:1.125rem}.bubble-assistant h3{font-size:1rem}.bubble-assistant blockquote{border-left:3px solid rgba(255,255,255,.3);padding-left:.75rem;margin:.5rem 0;color:#fffc}.bubble-assistant table{border-collapse:collapse;margin:.5rem 0;width:100%}.bubble-assistant th,.bubble-assistant td{border:1px solid rgba(255,255,255,.2);padding:.5rem .75rem;text-align:left}.bubble-assistant th{background:#ffffff14;font-weight:600}