:root{--bg-primary: #f8f9fb;--bg-secondary: #ffffff;--bg-tertiary: #f0f3f7;--bg-hover: #e8ecf1;--text-green: #1e5a96;--text-amber: #d97706;--text-gray: #4b5563;--text-muted: #9ca3af;--border-green: #cbd5e1;--border-amber: #fed7aa;--glow-green: rgba(30, 90, 150, .08);--glow-amber: rgba(217, 119, 6, .08);--shadow-green: 0 2px 8px rgba(30, 90, 150, .1);--shadow-amber: 0 2px 8px rgba(217, 119, 6, .1);--radius-sm: 2px;--radius-md: 4px;--radius-lg: 6px;--transition: .15s ease;--transition-fast: .1s ease;--transition-slow: .3s ease;--sidebar-w: 280px;--font-mono: "JetBrains Mono", "Courier New", monospace;--font-system: "Consolas", system-ui, monospace;--text-error: #ff4141;--text-error-light: #ff8a8a;--color-error-bg: rgba(255, 65, 65, .15);--color-error-glow: rgba(255, 65, 65, .2)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:var(--font-system);font-size:13px;background:var(--bg-primary);color:var(--text-gray);line-height:1.6;-webkit-font-smoothing:antialiased;letter-spacing:.5px}#app{height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-green);border:2px solid var(--bg-secondary)}::-webkit-scrollbar-thumb:hover{background:var(--text-green);border:2px solid var(--bg-secondary)}.header{height:48px;display:flex;align-items:center;padding:0 20px;border-bottom:1px solid var(--border-green);background:var(--bg-secondary);flex-shrink:0;z-index:100;gap:12px;font-family:var(--font-mono);box-shadow:0 1px 3px #00000014}.header-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:14px;letter-spacing:1px;color:var(--text-green);text-transform:uppercase}.header-logo .logo-icon{width:28px;height:28px;background:transparent;border:2px solid var(--text-green);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:14px;box-shadow:var(--shadow-green)}.header-logo .logo-text{color:var(--text-green);font-weight:700}.header-logo .logo-pro{font-size:9px;font-weight:900;background:transparent;border:1px solid var(--text-green);color:var(--text-green);padding:2px 5px;border-radius:var(--radius-sm);letter-spacing:1px}.header-spacer{flex:1}.header-badge{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text-green);background:transparent;border:1px solid var(--border-green);padding:4px 10px;border-radius:var(--radius-sm);font-family:var(--font-mono);letter-spacing:.5px}.header-badge .dot{width:6px;height:6px;background:var(--text-green);border-radius:50%;animation:pulse-terminal 1.5s infinite;box-shadow:var(--shadow-green)}@keyframes pulse-terminal{0%,to{opacity:1}50%{opacity:.4}}.workspace{display:flex;flex:1;overflow:hidden}.sidebar{width:var(--sidebar-w);flex-shrink:0;display:flex;flex-direction:column;border-right:1px solid var(--border-green);background:var(--bg-secondary);overflow:hidden}.sidebar-section-header{display:flex;align-items:center;padding:12px 16px 8px;gap:8px;border-bottom:1px solid var(--border-green)}.section-label{flex:1;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--text-green);font-family:var(--font-mono)}.upload-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:9px 14px;background:transparent;border:2px solid var(--text-amber);border-radius:var(--radius-sm);color:var(--text-amber);font-size:12px;font-weight:600;cursor:pointer;transition:var(--transition);font-family:var(--font-mono);letter-spacing:.5px;box-shadow:0 0 8px var(--glow-amber)}.upload-btn:hover{background:var(--glow-amber);color:var(--text-amber);box-shadow:var(--shadow-amber)}.upload-btn:active{transform:scale(.98)}.upload-btn svg{width:14px;height:14px}.sidebar-list{flex:1;overflow-y:auto;padding:8px}.doc-item{display:flex;align-items:flex-start;gap:10px;padding:8px 10px;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);border:1px solid var(--border-green);margin-bottom:4px;background:transparent;font-family:var(--font-mono);font-size:11px}.doc-item:hover{background:var(--glow-green);border-color:var(--text-green);color:var(--text-green)}.doc-item.active{background:var(--glow-green);border-color:var(--text-green);color:var(--text-green);box-shadow:inset 0 0 8px #00ff4133}.doc-icon{width:28px;height:28px;flex-shrink:0;background:transparent;border:1px solid var(--border-green);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--text-green)}.doc-info{flex:1;min-width:0}.doc-name{font-size:11px;font-weight:500;color:var(--text-green);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px;font-family:var(--font-mono)}.doc-meta{font-size:9px;color:var(--text-muted);font-family:var(--font-mono)}.doc-delete{opacity:0;background:none;border:none;color:var(--text-error);cursor:pointer;padding:2px 4px;border-radius:var(--radius-sm);transition:var(--transition);flex-shrink:0}.doc-item:hover .doc-delete{opacity:1}.doc-delete:hover{background:var(--color-error-bg)}.sidebar-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:32px 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var(--text-green);border-radius:0;display:flex;align-items:center;justify-content:center;font-size:28px;box-shadow:var(--shadow-green);animation:orb-scan 3s ease-in-out infinite}@keyframes orb-scan{0%,to{box-shadow:0 0 8px #00ff414d}50%{box-shadow:0 0 16px #00ff4199}}.welcome h1{font-size:24px;font-weight:700;letter-spacing:2px;color:var(--text-green);text-transform:uppercase}.welcome h1 span{color:var(--text-amber);animation:flicker 2s infinite}@keyframes flicker{0%,to{opacity:1}50%{opacity:.7}}.welcome p{font-size:12px;color:var(--text-gray);max-width:440px;line-height:1.7;font-family:var(--font-mono);letter-spacing:.5px}.welcome-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.chip{padding:6px 12px;background:transparent;border:1px solid var(--border-green);border-radius:var(--radius-sm);font-size:11px;color:var(--text-green);cursor:pointer;transition:var(--transition);font-family:var(--font-mono);letter-spacing:.5px}.chip:hover{background:var(--glow-green);border-color:var(--text-green);box-shadow:var(--shadow-green);transform:scale(1.02)}.messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px;font-family:var(--font-mono);font-size:12px}.message{display:flex;gap:10px;max-width:820px;width:100%}.message.user{margin-left:auto;flex-direction:row-reverse}.message-avatar{width:28px;height:28px;flex-shrink:0;border-radius:0;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;border:1px solid;font-family:var(--font-mono)}.message.ai .message-avatar{background:transparent;border-color:var(--text-green);color:var(--text-green);box-shadow:var(--shadow-green)}.message.user .message-avatar{background:transparent;border-color:var(--text-amber);color:var(--text-amber);box-shadow:var(--shadow-amber)}.message-body{flex:1}.message-name{font-size:10px;font-weight:600;color:var(--text-muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:1px;font-family:var(--font-mono)}.message.user .message-name{text-align:right;color:var(--text-amber)}.message.ai .message-name{color:var(--text-green)}.message-bubble{padding:10px 12px;border-radius:0;font-size:12px;line-height:1.6;border:1px solid;font-family:var(--font-mono);word-break:break-word}.message.ai .message-bubble{background:var(--bg-tertiary);border-color:var(--border-green);color:var(--text-gray);box-shadow:none}.message.user .message-bubble{background:var(--text-green);border-color:var(--text-green);color:#fff;box-shadow:none}.message-bubble pre{background:var(--bg-secondary);border:1px solid var(--border-green);border-radius:0;padding:10px;overflow-x:auto;font-family:var(--font-mono);font-size:11px;margin-top:6px;color:var(--text-green)}.message-code{font-family:var(--font-mono);background:#0000004d;padding:2px 5px;border-radius:var(--radius-sm);font-size:12px;color:var(--text-green)}.message-sources{margin-top:6px;display:flex;gap:6px;flex-wrap:wrap}.source-tag{font-size:10px;padding:2px 6px;background:transparent;border:1px solid var(--text-amber);color:var(--text-amber);border-radius:0;font-family:var(--font-mono);letter-spacing:.5px}.msg-actions{display:flex;align-items:center;gap:4px}.copy-msg-btn{width:20px;height:20px;background:none;border:1px solid var(--border-green);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:var(--transition-fast);font-size:11px;padding:0;opacity:0;flex-shrink:0}.message:hover .copy-msg-btn{opacity:1}.copy-msg-btn:hover{border-color:var(--text-green);color:var(--text-green);background:var(--glow-green)}.msg-time{font-size:9px;color:var(--text-muted);font-family:var(--font-mono);letter-spacing:.3px;opacity:0;transition:opacity var(--transition-fast)}.message:hover .msg-time{opacity:1}@keyframes msg-appear{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes msg-fade-out{to{opacity:0;transform:translateY(-4px)}}.message{animation:msg-appear .2s ease}.message.fading-out{animation:msg-fade-out .15s ease forwards;pointer-events:none}.typing{display:flex;align-items:center;gap:4px;padding:10px 12px;border:1px solid var(--border-green);background:transparent;border-radius:0;font-family:var(--font-mono)}.typing span{width:5px;height:5px;background:var(--text-green);border-radius:0;animation:typing-blink .8s infinite}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes typing-blink{0%,to{opacity:1}50%{opacity:.3}}@keyframes spin{to{transform:rotate(360deg)}}.chat-input-area{padding:16px 20px 20px;border-top:1px solid var(--border-green);background:var(--bg-primary);flex-shrink:0}.input-wrapper{display:flex;align-items:flex-end;gap:8px;background:transparent;border:1px solid var(--border-green);border-radius:6px;padding:8px 12px;transition:var(--transition);font-family:var(--font-mono)}.input-wrapper:focus-within{border-color:var(--text-green);box-shadow:var(--shadow-green);background:var(--glow-green)}.input-wrapper:before{content:"> ";color:var(--text-amber);font-weight:700;font-size:12px;flex-shrink:0}#chat-input{flex:1;background:none;border:none;outline:none;color:var(--text-green);font-size:12px;font-family:var(--font-mono);resize:none;max-height:120px;min-height:20px;line-height:1.6}#chat-input::placeholder{color:var(--text-muted)}.send-btn{width:32px;height:32px;flex-shrink:0;background:var(--text-green);border:none;border-radius:6px;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);font-family:var(--font-mono);box-shadow:0 2px 6px #1e5a9626}.send-btn:hover:not(:disabled){background:var(--glow-amber);box-shadow:var(--shadow-amber)}.send-btn:disabled{opacity:.3;cursor:not-allowed;transform:none}.send-btn.generating{opacity:.7;cursor:not-allowed;border-color:var(--text-amber)}.send-btn.generating svg{animation:spin .7s linear infinite;opacity:.6}.send-btn svg{width:14px;height:14px}.input-hint{font-size:10px;color:var(--text-muted);text-align:center;margin-top:6px;font-family:var(--font-mono);letter-spacing:.5px}#toast-container{position:fixed;top:16px;right:16px;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{padding:10px 14px;border-radius:0;font-size:12px;font-weight:600;max-width:320px;border:2px solid;animation:toast-in .25s ease;pointer-events:auto;font-family:var(--font-mono);letter-spacing:.5px}@keyframes toast-in{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:translate(0)}}@keyframes toast-out{to{opacity:0;transform:translate(40px)}}.toast.removing{animation:toast-out .2s ease forwards}.toast.success{background:var(--glow-green);border-color:var(--text-green);color:var(--text-green);box-shadow:var(--shadow-green)}.toast.error{background:var(--color-error-bg);border-color:var(--text-error);color:var(--text-error-light);box-shadow:0 0 16px var(--color-error-glow)}.toast.info{background:var(--glow-green);border-color:var(--text-green);color:var(--text-green);box-shadow:var(--shadow-green)}.toast.warning{background:var(--glow-amber);border-color:var(--text-amber);color:var(--text-amber);box-shadow:var(--shadow-amber)}@keyframes skeleton-pulse{0%,to{opacity:.4}50%{opacity:.8}}.skeleton-row{height:60px;background:var(--bg-tertiary);border:1px solid var(--border-green);border-radius:0;animation:skeleton-pulse 1.4s ease-in-out infinite;margin-bottom:8px}.skeleton-row.skeleton-short{height:40px;width:60%;margin-left:auto}.retry-btn{padding:4px 10px;background:transparent;border:1px solid var(--text-amber);border-radius:var(--radius-sm);color:var(--text-amber);font-size:10px;font-family:var(--font-mono);cursor:pointer;letter-spacing:.5px;transition:var(--transition)}.retry-btn:hover{background:var(--glow-amber);box-shadow:var(--shadow-amber)}.chip--decorative{cursor:default;opacity:.6;pointer-events:none}.chip--decorative:hover{background:transparent;border-color:var(--border-green);box-shadow:none;transform:none}#file-input{display:none}@media (max-width: 640px){:root{--sidebar-w: 240px}.welcome h1{font-size:18px}}.auth-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:20px;position:relative;overflow:hidden}.auth-glow-1{position:absolute;width:300px;height:300px;background:radial-gradient(circle,rgba(0,255,65,.1) 0%,transparent 70%);top:-100px;left:-100px;pointer-events:none}.auth-glow-2{position:absolute;width:300px;height:300px;background:radial-gradient(circle,rgba(255,165,0,.08) 0%,transparent 70%);bottom:-80px;right:-80px;pointer-events:none}.auth-card{width:100%;max-width:420px;background:var(--bg-secondary);border:2px solid var(--border-green);border-radius:0;padding:32px 28px;position:relative;box-shadow:var(--shadow-green);font-family:var(--font-mono)}.auth-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.auth-brand-icon{width:40px;height:40px;background:transparent;border:2px solid var(--text-green);border-radius:0;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:var(--shadow-green)}.auth-brand-name{font-size:16px;font-weight:700;letter-spacing:1px;color:var(--text-green);text-transform:uppercase}.auth-brand-name .auth-brand-pro{color:var(--text-amber)}.auth-brand-sub{font-size:10px;color:var(--text-muted);margin-top:2px;letter-spacing:.5px;text-transform:uppercase}.auth-tabs{display:flex;gap:0;background:transparent;border:2px solid var(--border-green);border-radius:0;padding:0;margin-bottom:18px;overflow:hidden}.auth-tab{flex:1;padding:8px;background:transparent;border:none;border-right:1px solid var(--border-green);font-size:11px;font-weight:600;color:var(--text-muted);border-radius:0;cursor:pointer;transition:var(--transition);font-family:var(--font-mono);letter-spacing:1px;text-transform:uppercase}.auth-tab:last-child{border-right:none}.auth-tab.active{background:var(--glow-green);color:var(--text-green);box-shadow:inset 0 0 8px #00ff4133}.auth-error{background:#ff41411a;border:1px solid var(--text-error);color:var(--text-error-light);padding:8px 12px;border-radius:0;font-size:11px;margin-bottom:12px;font-family:var(--font-mono);letter-spacing:.5px}.auth-info{background:var(--glow-green);border:1px solid var(--text-green);color:var(--text-green);padding:8px 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.15s}.pw-toggle:hover{color:var(--text-green)}.auth-btn-primary{width:100%;padding:10px;background:transparent;border:2px solid var(--text-green);border-radius:0;color:var(--text-green);font-size:12px;font-weight:700;cursor:pointer;transition:var(--transition);font-family:var(--font-mono);margin-top:2px;box-shadow:0 0 8px var(--glow-green);letter-spacing:1px;text-transform:uppercase}.auth-btn-primary:hover:not(:disabled){background:var(--glow-green);box-shadow:var(--shadow-green)}.auth-btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none}.auth-divider{display:flex;align-items:center;gap:12px;color:var(--text-muted);font-size:10px;margin:14px 0;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:1px}.auth-divider:before,.auth-divider:after{content:"";flex:1;height:1px;background:var(--border-green)}.auth-btn-ghost{width:100%;padding:8px;background:transparent;border:1px solid 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var(--text-green);display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:700;color:var(--text-green);box-shadow:var(--shadow-green);cursor:default;font-family:var(--font-mono)}.user-name{font-size:11px;font-weight:600;color:var(--text-green);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.5px}.badge-guest{font-size:8px;font-weight:700;background:transparent;border:1px solid var(--text-amber);color:var(--text-amber);padding:2px 4px;border-radius:0;text-transform:uppercase;letter-spacing:.5px;font-family:var(--font-mono)}.signout-btn{width:28px;height:28px;background:transparent;border:1px solid var(--border-green);border-radius:0;color:var(--text-green);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);margin-left:4px}.signout-btn:hover{border-color:var(--text-error);color:var(--text-error);background:var(--color-error-bg)}.chat-item{display:flex;align-items:center;gap:8px;padding:8px 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