.sidebar{width:240px;height:100vh;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;padding:24px 16px;position:fixed;left:0;top:0}.sidebar-logo{padding:0 8px 32px}.logo-text{font-size:22px;font-weight:700;color:var(--color-black);letter-spacing:-.5px}.logo-accent{color:var(--color-2)}.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--color-text);text-decoration:none;font-size:14px;font-weight:500;transition:all .15s ease}.nav-item:hover{background:var(--color-surface-2);color:var(--color-black)}.nav-item.active{background:#fcf4e9;color:var(--color-2);border-left:2px solid var(--color-2);font-weight:600}.sidebar-footer{padding:8px}.version{font-size:11px;color:var(--color-text-light)}.sidebar-user{display:flex;align-items:center;gap:8px;margin-bottom:8px;overflow:hidden}.user-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover}.user-email{font-size:12px;color:var(--color-text-light);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.logout-btn{width:100%;padding:8px 12px;background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-light);font-size:13px;cursor:pointer;margin-bottom:8px;text-align:left;transition:all .15s ease}.logout-btn:hover{background:var(--color-surface-2);color:var(--color-black);border-color:var(--color-2)}.message-wrapper{display:flex;gap:12px;padding:16px 0;align-items:flex-start}.message-avatar{width:36px;height:36px;border-radius:50%;background:var(--color-surface-2);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.message-bubble{max-width:70%;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:12px 16px}.message-wrapper.user .message-bubble{background:var(--color-2);border-color:var(--color-2)}.message-wrapper.user .message-content{color:#fff}.message-role{font-size:11px;font-weight:600;color:var(--color-text-light);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.message-content{font-size:14px;color:var(--color-black);line-height:1.6}.message-content p{margin:0 0 8px}.message-content p:last-child{margin:0}.message-time{font-size:10px;color:var(--color-text);margin-top:8px}.chat-window{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;padding:60px 24px}.chat-empty-icon{font-size:48px;margin-bottom:8px}.chat-empty h2{font-size:24px;font-weight:700;color:var(--color-black);letter-spacing:-.3px}.chat-empty p{font-size:14px;color:var(--color-text-light);max-width:360px;line-height:1.6}.message-wrapper{display:flex;gap:12px;align-items:flex-start}.message-wrapper.user{flex-direction:row-reverse}.message-avatar{width:32px;height:32px;border-radius:50%;background:var(--color-surface-2);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;border:1px solid var(--color-border)}.message-bubble{max-width:70%;padding:12px 16px;border-radius:var(--radius-md);font-size:14px;line-height:1.6;color:var(--color-black);background:var(--color-surface);border:1px solid var(--color-border)}.message-wrapper.user .message-bubble{background:var(--color-2);color:#fff;border-color:var(--color-2)}.typing-indicator{display:flex;gap:5px;align-items:center;padding:4px 0}.typing-indicator span{width:7px;height:7px;border-radius:50%;background:var(--color-2);opacity:.5;animation:bounce 1.2s infinite ease-in-out}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,80%,to{transform:translateY(0);opacity:.4}40%{transform:translateY(-6px);opacity:1}}.chat-input-wrapper{padding:16px 24px 24px;border-top:1px solid var(--color-border);background:var(--color-bg)}.chat-input-container{display:flex;align-items:flex-end;gap:8px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:12px 16px;transition:border-color .15s ease}.chat-input-container:focus-within{border-color:var(--color-2)}.chat-input{flex:1;background:transparent;border:none;outline:none;color:var(--color-black);font-size:14px;line-height:1.5;resize:none;max-height:120px;font-family:var(--font-main)}.chat-input::placeholder{color:var(--color-text)}.send-btn{width:32px;height:32px;border-radius:50%;background:var(--color-2);color:var(--color-white);border:none;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s ease}.send-btn:hover:not(:disabled){background:var(--color-btn-hover);color:var(--color-btn-hover-text)}.send-btn:disabled{opacity:.4;cursor:not-allowed}.chat-hint{font-size:11px;color:var(--color-text);margin:8px 0 0 4px}.chat-page{display:flex;flex-direction:column;height:100vh;background:var(--color-bg)}.chat-header{display:flex;align-items:center;gap:12px;padding:20px 24px;border-bottom:1px solid var(--color-border);background:var(--color-surface)}.chat-header h1{font-size:18px;font-weight:600;color:var(--color-black);margin:0}.chat-badge{font-size:11px;padding:2px 8px;border-radius:99px;background:#fcf4e9;color:var(--color-2);border:1px solid var(--color-3);font-weight:600}.login-page{display:flex;height:100vh;background:var(--color-bg);font-family:var(--font-main)}.login-left{flex:1;background:var(--color-2);display:flex;align-items:center;justify-content:center;padding:64px 48px;position:relative;overflow:hidden}.login-left:before{content:"";position:absolute;top:-120px;right:-120px;width:400px;height:400px;border-radius:50%;background:#ffffff0d}.login-left:after{content:"";position:absolute;bottom:-80px;left:-80px;width:300px;height:300px;border-radius:50%;background:#ffffff0d}.login-left-content{max-width:500px;color:#fff;position:relative;z-index:1}.login-logo{height:72px;margin-bottom:48px;filter:brightness(0) invert(1)}.login-headline{font-family:var(--font-2);font-size:3.2rem;font-weight:800;line-height:1.15;margin-bottom:20px;color:#fff;letter-spacing:-.5px}.login-accent{color:var(--color-3)}.login-subtitle{font-size:1.1rem;color:#ffffffbf;margin-bottom:48px;line-height:1.7;font-weight:300}.login-features{display:flex;flex-direction:column;gap:20px}.login-feature{display:flex;align-items:center;gap:16px;font-size:1rem;color:#ffffffe6;font-weight:400}.feature-icon{font-size:1.1rem;background:#ffffff1f;padding:10px;border-radius:10px;width:42px;height:42px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.login-right{width:520px;display:flex;align-items:center;justify-content:center;padding:48px;background:var(--color-bg)}.login-card{width:100%;max-width:400px}.login-card-logo{height:56px;margin-bottom:40px}.login-card-title{font-family:var(--font-2);font-size:2rem;font-weight:700;color:var(--color-black);margin-bottom:10px;letter-spacing:-.3px}.login-card-subtitle{font-size:1rem;color:var(--color-text);margin-bottom:40px;line-height:1.6;font-weight:300}.login-error{background:var(--color-error);color:#8a4f34;padding:14px 16px;border-radius:var(--radius-sm);font-size:.9rem;margin-bottom:20px;border-left:3px solid var(--color-2)}.login-google-btn{display:flex;align-items:center;justify-content:center;gap:14px;width:100%;padding:16px 24px;background:#fff;color:var(--color-black);border:1.5px solid var(--color-border);border-radius:var(--radius-md);font-family:var(--font-main);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 2px 8px #0000000f;letter-spacing:.2px}.login-google-btn:hover:not(:disabled){background:var(--color-surface-2);border-color:var(--color-2);box-shadow:0 4px 16px #8a4f3426;transform:translateY(-1px)}.login-google-btn:disabled{opacity:.6;cursor:not-allowed}.login-divider{display:flex;align-items:center;gap:12px;margin:28px 0;color:var(--color-text);font-size:.85rem}.login-divider:before,.login-divider:after{content:"";flex:1;height:1px;background:var(--color-border)}.login-terms{font-size:.82rem;color:var(--color-text);text-align:center;margin-top:24px;line-height:1.6}.login-terms a{color:var(--color-2);text-decoration:none;font-weight:600}.login-terms a:hover{text-decoration:underline}@media (max-width: 900px){.login-left{display:none}.login-right{width:100%;padding:40px 24px}.login-card-logo{display:block}}:root{--color-1: #F3F3F2;--color-2: #8A4F34;--color-3: hsla(34, 75%, 80%, 1);--color-bg: #f8f8f7;--color-surface: #ffffff;--color-surface-2: #f0efed;--color-border: #e2e0dc;--color-text: #6c737d;--color-text-light: #565c64;--color-text-dark: #000000;--color-white: #ffffff;--color-black: #000000;--color-btn: #8A4F34;--color-btn-text: #ffffff;--color-btn-hover: #ffffff;--color-btn-hover-text: #000000;--color-error: hsla(359, 100%, 91%, 1);--color-success: hsla(76, 69%, 68%, 1);--color-info: hsla(205, 82%, 91%, 1);--color-notice: hsla(51, 100%, 80%, 1);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--font-main: "Nunito Sans", sans-serif;--font-2: "Montserrat", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--color-bg);font-family:var(--font-main);color:var(--color-text)}.app-layout{display:flex;height:100vh}.app-main{margin-left:240px;flex:1;overflow:hidden;display:flex;flex-direction:column}