.header{background:var(--mfp-white);border-bottom:3px solid var(--mfp-cyan);box-shadow:var(--mfp-shadow);z-index:100;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:1200px;height:64px;margin:0 auto;padding:0 24px;display:flex}.header-brand{align-items:center;gap:14px;display:flex}.header-logo-box{background:var(--mfp-cyan);color:var(--mfp-white);letter-spacing:1px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:15px;font-weight:700;display:flex}.header-title-group{flex-direction:column;display:flex}.header-title{color:var(--mfp-dark-blue);font-size:17px;font-weight:700;line-height:1.2}.header-subtitle{color:var(--mfp-slate);font-size:12px;line-height:1.2}.header-badge{color:var(--mfp-text-muted);background:#f0faf5;border:1px solid #c3e6cb;border-radius:20px;align-items:center;gap:7px;padding:5px 12px;font-size:13px;display:flex}.badge-dot{background:#28a745;border-radius:50%;flex-shrink:0;width:8px;height:8px;animation:2s ease-in-out infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.header-right{align-items:center;gap:14px;display:flex}.header-user{align-items:center;gap:8px;display:flex}.user-avatar{background:var(--mfp-dark-blue);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:12px;font-weight:700;display:flex}.user-name{color:var(--mfp-text-muted);white-space:nowrap;font-size:13px}.btn-signout{border:1px solid var(--mfp-border);color:var(--mfp-slate);cursor:pointer;background:0 0;border-radius:4px;justify-content:center;align-items:center;width:30px;height:30px;padding:0;transition:all .15s;display:flex}.btn-signout:hover{color:#dc3545;border-color:#dc3545}@media (width<=600px){.header-subtitle,.header-badge,.user-name{display:none}}.message-list{scroll-behavior:smooth;flex-direction:column;flex:1;gap:16px;padding:20px;display:flex;overflow-y:auto}.message{align-items:flex-start;gap:10px;max-width:100%;display:flex}.message--user{flex-direction:row-reverse}.message-avatar{background:linear-gradient(135deg, var(--mfp-cyan), var(--mfp-blue));color:#fff;border-radius:0;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:14px;font-weight:700;display:flex}.message-avatar--user{background:linear-gradient(135deg, var(--mfp-orange), #e06030)}.message-content{flex-direction:column;max-width:72%;display:flex}.message--user .message-content{align-items:flex-end}.message-bubble{word-break:break-word;padding:12px 16px;font-size:15px;line-height:1.55}.message--assistant .message-bubble p{margin:0 0 8px}.message--assistant .message-bubble p:last-child{margin-bottom:0}.message--assistant .message-bubble ul,.message--assistant .message-bubble ol{margin:6px 0 8px;padding-left:20px}.message--assistant .message-bubble li{margin-bottom:4px}.message--assistant .message-bubble strong{color:var(--mfp-dark-blue);font-weight:700}.message--assistant .message-bubble em{font-style:italic}.message--assistant .message-bubble code{background:#e8f4fb;border:1px solid #c8e6f5;border-radius:3px;padding:1px 5px;font-family:ui-monospace,Consolas,monospace;font-size:13px}.message--assistant .message-bubble blockquote{border-left:3px solid var(--mfp-cyan);color:var(--mfp-text-muted);margin:8px 0;padding:4px 12px;font-style:italic}.message--assistant .message-bubble a{color:var(--mfp-cyan);word-break:break-all;font-weight:500;text-decoration:underline}.message--assistant .message-bubble a:hover{color:var(--mfp-cyan-hover)}.message--assistant .message-bubble p:has(a){background:#01a2d30f;border:1px solid #c8e6f5;border-radius:6px;margin-top:10px;padding:8px 12px;font-size:13px}.message--assistant .message-bubble{color:var(--mfp-text);background:#f0f8fc;border:1px solid #c8e6f5;border-radius:0 8px 8px}.message--user .message-bubble{background:var(--mfp-cyan);color:#fff;border-radius:8px 8px 0}.message-meta{align-items:center;gap:10px;margin-top:4px;padding:0 2px;display:flex}.message--user .message-meta{justify-content:flex-end}.message-time{color:#aaa;font-size:11px}.btn-copy{border:1px solid var(--mfp-border);color:var(--mfp-slate);cursor:pointer;background:0 0;border-radius:4px;align-items:center;gap:4px;padding:2px 8px;font-family:inherit;font-size:11px;transition:all .15s;display:flex}.btn-copy:hover{border-color:var(--mfp-cyan);color:var(--mfp-cyan);background:#01a2d30d}.typing-bubble{background:#f0f8fc;border:1px solid #c8e6f5;border-radius:0 8px 8px;align-items:center;gap:5px;min-width:56px;padding:14px 18px;display:flex}.dot{background:var(--mfp-cyan);border-radius:50%;width:8px;height:8px;animation:1.2s ease-in-out infinite bounce}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}@keyframes bounce{0%,80%,to{opacity:.4;transform:translateY(0)}40%{opacity:1;transform:translateY(-6px)}}.chat-input-area{border-top:1px solid var(--mfp-border);background:var(--mfp-white);flex-shrink:0;padding:14px 20px 10px}.chat-input-row{background:var(--mfp-bg);border:2px solid var(--mfp-border);align-items:flex-end;gap:10px;padding:8px 8px 8px 14px;transition:border-color .2s;display:flex}.chat-input-row:focus-within{border-color:var(--mfp-cyan)}.chat-textarea{resize:none;color:var(--mfp-text);background:0 0;border:none;outline:none;flex:1;max-height:160px;font-family:inherit;font-size:15px;line-height:1.5;overflow-y:auto}.chat-textarea::placeholder{color:#aaa}.chat-textarea:disabled{opacity:.6}.btn-send{background:var(--mfp-cyan);color:#fff;border:none;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;transition:background .2s,transform .1s;display:flex}.btn-send:hover:not(:disabled){background:var(--mfp-cyan-hover)}.btn-send:active:not(:disabled){transform:scale(.95)}.btn-send:disabled{cursor:not-allowed;background:#b0d9ec}.chat-input-hint{color:#bbb;text-align:right;margin-top:6px;font-size:11px}.chat-input-hint kbd{background:#f0f0f0;border:1px solid #ddd;border-radius:3px;padding:1px 4px;font-family:inherit;font-size:11px}.chat-page{background:var(--mfp-bg);flex:1;justify-content:center;align-items:flex-start;min-height:0;padding:24px 16px;display:flex}.chat-container{background:var(--mfp-white);border:1px solid var(--mfp-border);width:100%;max-width:860px;box-shadow:var(--mfp-shadow-lg);flex-direction:column;height:calc(100vh - 112px);min-height:500px;display:flex}.chat-header-bar{border-bottom:1px solid var(--mfp-border);background:var(--mfp-white);flex-shrink:0;justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.chat-header-info{align-items:center;gap:12px;display:flex}.ai-avatar{background:linear-gradient(135deg, var(--mfp-cyan) 0%, var(--mfp-blue) 100%);color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:13px;font-weight:700;display:flex}.chat-header-name{color:var(--mfp-dark-blue);font-size:15px;font-weight:700}.chat-header-desc{color:var(--mfp-slate);font-size:12px}.btn-clear{border:1px solid var(--mfp-border);color:var(--mfp-text-muted);cursor:pointer;background:0 0;align-items:center;gap:6px;padding:6px 14px;font-size:13px;transition:all .2s;display:flex}.btn-clear:hover{border-color:var(--mfp-cyan);color:var(--mfp-cyan);background:#01a2d30d}.chat-error{color:#721c24;background:#fff3f3;border-top:1px solid #f5c6cb;flex-shrink:0;align-items:center;gap:8px;padding:10px 20px;font-size:13px;display:flex}@media (width<=600px){.chat-page{padding:0}.chat-container{height:calc(100vh - 64px);box-shadow:none;border:none}}.login-page{background:var(--mfp-bg);flex:1;justify-content:center;align-items:center;padding:24px;display:flex}.login-card{background:var(--mfp-white);border:1px solid var(--mfp-border);box-shadow:var(--mfp-shadow-lg);text-align:center;flex-direction:column;align-items:center;width:100%;max-width:400px;padding:48px 40px;display:flex}.login-logo{background:var(--mfp-cyan);color:#fff;letter-spacing:1px;justify-content:center;align-items:center;width:64px;height:64px;margin-bottom:20px;font-size:20px;font-weight:700;display:flex}.login-title{color:var(--mfp-dark-blue);margin:0 0 8px;font-size:24px;font-weight:700}.login-subtitle{color:var(--mfp-slate);margin:0 0 36px;font-size:14px}.btn-login{background:var(--mfp-cyan);color:#fff;cursor:pointer;border:none;justify-content:center;align-items:center;gap:10px;width:100%;padding:13px 24px;font-family:inherit;font-size:15px;font-weight:600;transition:background .2s;display:flex}.btn-login:hover{background:var(--mfp-cyan-hover)}.login-note{color:#aaa;margin:16px 0 0;font-size:12px}.feedback-trigger{z-index:200;color:#fff;cursor:pointer;background:#28a745;border:none;border-radius:24px;align-items:center;gap:7px;padding:10px 18px;font-family:inherit;font-size:13px;font-weight:600;transition:background .2s,transform .15s,box-shadow .2s;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 14px #28a74566}.feedback-trigger:hover{background:#218838;transform:translateY(-2px);box-shadow:0 6px 18px #28a74573}.feedback-backdrop{z-index:201;background:#00000059;position:fixed;inset:0}.feedback-modal{z-index:202;background:#fff;border-radius:8px;flex-direction:column;width:420px;max-width:calc(100vw - 48px);max-height:calc(100vh - 120px);display:flex;position:fixed;bottom:80px;right:24px;overflow-y:auto;box-shadow:0 8px 40px #0000002e}.feedback-modal-header{border-bottom:1px solid var(--mfp-border);flex-shrink:0;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.feedback-modal-header h3{color:var(--mfp-dark-blue);margin:0;font-size:16px;font-weight:700}.feedback-close{color:#aaa;cursor:pointer;background:0 0;border:none;border-radius:4px;padding:2px 6px;font-size:16px;line-height:1}.feedback-close:hover{color:#333;background:#f0f0f0}.feedback-form{flex-direction:column;gap:14px;padding:16px 20px 20px;display:flex}.feedback-reporter{border:1px solid var(--mfp-border);background:#f7f7f7;border-radius:6px;align-items:center;gap:10px;padding:10px 12px;display:flex}.reporter-avatar{background:var(--mfp-dark-blue);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:12px;font-weight:700;display:flex}.reporter-name{color:var(--mfp-text);font-size:13px;font-weight:600}.reporter-email{color:var(--mfp-slate);font-size:11px}.feedback-field{flex-direction:column;gap:5px;display:flex}.feedback-field label{color:var(--mfp-text);font-size:13px;font-weight:600}.required{color:#dc3545}.feedback-field textarea{color:var(--mfp-text);border:1px solid var(--mfp-border);resize:vertical;border-radius:4px;padding:8px 10px;font-family:inherit;font-size:13px;line-height:1.5;transition:border-color .2s}.feedback-field textarea:focus{border-color:var(--mfp-cyan);outline:none}.char-count{color:#aaa;text-align:right;font-size:11px}.feedback-type-toggle{gap:8px;display:flex}.type-btn{border:2px solid var(--mfp-border);cursor:pointer;color:var(--mfp-text-muted);background:#fff;border-radius:6px;flex:1;justify-content:center;align-items:center;gap:6px;padding:9px;font-family:inherit;font-size:13px;font-weight:600;transition:all .15s;display:flex}.type-btn:hover{border-color:var(--mfp-cyan);color:var(--mfp-cyan)}.type-btn--active{border-color:var(--mfp-cyan);color:var(--mfp-cyan);background:#01a2d314}.btn-capture{border:1px dashed var(--mfp-border);color:var(--mfp-text-muted);cursor:pointer;background:#f7f7f7;border-radius:4px;justify-content:center;align-items:center;gap:8px;padding:10px;font-family:inherit;font-size:13px;transition:all .15s;display:flex}.btn-capture:hover:not(:disabled){border-color:var(--mfp-cyan);color:var(--mfp-cyan);background:#01a2d30d}.btn-capture:disabled{opacity:.6;cursor:not-allowed}.screenshot-preview{border:1px solid var(--mfp-border);border-radius:4px;position:relative;overflow:hidden}.screenshot-preview img{object-fit:cover;width:100%;max-height:140px;display:block}.btn-clear-screenshot{color:#fff;cursor:pointer;background:#0009;border:none;border-radius:3px;padding:3px 8px;font-family:inherit;font-size:11px;position:absolute;top:6px;right:6px}.feedback-error{color:#dc3545;background:#fff3f3;border:1px solid #f5c6cb;border-radius:4px;padding:8px 10px;font-size:12px}.feedback-actions{gap:8px;padding-top:4px;display:flex}.btn-cancel{color:var(--mfp-text-muted);cursor:pointer;background:#f0f0f0;border:none;border-radius:6px;flex:1;padding:10px;font-family:inherit;font-size:13px;font-weight:600;transition:background .15s}.btn-cancel:hover{background:#e0e0e0}.btn-feedback-submit{color:#fff;cursor:pointer;background:#28a745;border:none;border-radius:6px;flex:2;padding:10px;font-family:inherit;font-size:13px;font-weight:600;transition:background .15s}.btn-feedback-submit:hover:not(:disabled){background:#218838}.btn-feedback-submit:disabled{opacity:.6;cursor:not-allowed}.feedback-success{text-align:center;flex-direction:column;align-items:center;gap:14px;padding:32px 20px;display:flex}.feedback-success p{color:var(--mfp-text);font-size:14px}.feedback-success .btn-feedback-submit{flex:unset;width:100%}@media (width<=480px){.feedback-modal{width:auto;max-width:unset;bottom:70px;left:12px;right:12px}.feedback-trigger{bottom:16px;right:16px}}.app{flex-direction:column;min-height:100vh;display:flex}.app-main{flex-direction:column;flex:1;display:flex}.app-footer{text-align:center;color:var(--mfp-slate);opacity:.5;padding:6px;font-size:11px}.app-loading{color:var(--mfp-slate);flex:1;justify-content:center;align-items:center;font-size:15px;display:flex}:root{--mfp-cyan:#01a2d3;--mfp-cyan-hover:#0095c6;--mfp-blue:#1893d1;--mfp-orange:#fc8041;--mfp-dark-blue:#1b3b73;--mfp-slate:#6383aa;--mfp-bg:#f7f7f7;--mfp-text:#111;--mfp-text-muted:#3d3d3d;--mfp-white:#fff;--mfp-border:#e0e0e0;--mfp-shadow:0 2px 12px #00000014;--mfp-shadow-lg:0 4px 24px #0000001f;color:var(--mfp-text);background:var(--mfp-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Arial,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5}*,:before,:after{box-sizing:border-box}body{margin:0;padding:0}#root{flex-direction:column;min-height:100vh;display:flex}h1,h2,h3,h4{color:var(--mfp-dark-blue);margin:0;font-weight:700}button{cursor:pointer;font-family:inherit}a{color:var(--mfp-cyan);text-decoration:none}a:hover{color:var(--mfp-cyan-hover)}