@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-base:#0e1116;--bg-surface:#161b22;--bg-surface-hover:#21262d;--border-subtle:#30363d;--border-strong:#8b949e;--text-primary:#e6edf3;--text-secondary:#8b949e;--text-inverse:#0e1116;--accent-base:#4493f8;--accent-hover:#58a6ff;--error-base:#f85149;--success-base:#3fb950;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--text-sm:12px;--text-base:14px;--text-lg:18px;--text-xl:24px;--space-1:4px;--space-2:8px;--space-3:16px;--space-4:24px;--space-5:32px;--space-6:48px;--radius-sm:4px;--radius-md:6px;--focus-ring:0 0 0 2px #4493f866}html,body,#root{height:100%;font-family:var(--font-sans);font-size:var(--text-base);background-color:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.5}.page{background-color:var(--bg-base);justify-content:center;align-items:center;min-height:100vh;display:flex}.auth-card{background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);width:100%;max-width:400px;padding:var(--space-5);box-shadow:0 4px 24px #0006}.auth-header{text-align:center;margin-bottom:var(--space-4)}.auth-header h1{font-size:var(--text-xl);color:var(--text-primary);margin-bottom:var(--space-1);font-weight:600}.auth-header p{color:var(--text-secondary);font-size:var(--text-base)}.auth-tabs{border-bottom:1px solid var(--border-subtle);margin-bottom:var(--space-4);display:flex}.auth-tab{color:var(--text-secondary);padding:var(--space-2) 0;font-size:var(--text-base);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;font-weight:500;transition:all .2s}.auth-tab.active{color:var(--text-primary);border-bottom-color:var(--accent-base)}.auth-form{gap:var(--space-3);flex-direction:column;display:flex}.field{gap:var(--space-1);flex-direction:column;display:flex}.field label{font-size:var(--text-sm);color:var(--text-secondary);font-weight:500}.form-input{background-color:var(--bg-base);border:1px solid var(--border-subtle);color:var(--text-primary);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:var(--text-base);transition:border-color .2s,box-shadow .2s}.form-input:focus{border-color:var(--accent-base);box-shadow:var(--focus-ring);outline:none}.btn-primary{background-color:var(--accent-base);color:#fff;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);cursor:pointer;margin-top:var(--space-2);border:none;font-weight:600;transition:background-color .2s}.btn-primary:hover:not(:disabled){background-color:var(--accent-hover)}.btn-primary:disabled{opacity:.7;cursor:not-allowed}.auth-note{text-align:center;margin-top:var(--space-4);font-size:var(--text-sm);color:var(--text-secondary)}.auth-note span{color:var(--accent-base);cursor:pointer}.auth-note span:hover{text-decoration:underline}.dashboard-layout{background-color:var(--bg-base);width:100vw;height:100vh;display:flex;overflow:hidden}.sidebar{background-color:var(--bg-surface);border-right:1px solid var(--border-subtle);flex-direction:column;flex-shrink:0;width:280px;display:flex}.sidebar-header{padding:var(--space-4);align-items:center;gap:var(--space-2);border-bottom:1px solid var(--border-subtle);display:flex}.sidebar-header h2{font-size:var(--text-lg);color:var(--text-primary);font-weight:600}.sidebar-content{padding:var(--space-4);gap:var(--space-4);flex-direction:column;flex:1;display:flex;overflow-y:auto}.sidebar-footer{padding:var(--space-4);border-top:1px solid var(--border-subtle);gap:var(--space-2);flex-direction:column;display:flex}.user-tray{padding:var(--space-2);background-color:var(--bg-base);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;display:flex}.user-name{font-size:var(--text-sm);color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;font-weight:500;overflow:hidden}.btn-logout{color:var(--error-base);font-size:var(--text-sm);cursor:pointer;padding:0 var(--space-1);background:0 0;border:none;font-weight:600}.btn-logout:hover{text-decoration:underline}.upload-panel{gap:var(--space-2);flex-direction:column;display:flex}.upload-panel h3{font-size:var(--text-sm);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.upload-dropzone{border:1px dashed var(--border-strong);border-radius:var(--radius-sm);padding:var(--space-4);text-align:center;cursor:pointer;background-color:var(--bg-base);transition:all .2s}.upload-dropzone:hover{border-color:var(--accent-base);background-color:#4493f80d}.upload-dropzone p{font-size:var(--text-sm);color:var(--text-secondary);margin-top:var(--space-2)}.upload-icon{font-size:24px}.status-message{padding:var(--space-2);border-radius:var(--radius-sm);background-color:var(--bg-base);word-break:break-all;font-size:11px}.status-message.success{border-left:2px solid var(--success-base);color:var(--success-base)}.status-message.error{border-left:2px solid var(--error-base);color:var(--error-base)}.chat-main{background-color:var(--bg-base);flex-direction:column;flex:1;display:flex;position:relative}.chat-history{padding:var(--space-5) 0;scroll-behavior:smooth;flex-direction:column;flex:1;display:flex;overflow-y:auto}.chat-row{width:100%;padding:0 var(--space-4);justify-content:center;display:flex}.chat-bubble-wrapper{width:100%;max-width:800px;margin-bottom:var(--space-4);display:flex}.chat-bubble-wrapper.ai{justify-content:flex-start}.chat-bubble-wrapper.user{justify-content:flex-end}.chat-bubble{padding:var(--space-3) var(--space-4);max-width:85%;font-size:var(--text-base);white-space:normal;line-height:1.6}.chat-bubble p{margin-bottom:var(--space-2)}.chat-bubble p:last-child{margin-bottom:0}.chat-bubble ul,.chat-bubble ol{margin-left:var(--space-4);margin-bottom:var(--space-2)}.chat-bubble strong{color:inherit;font-weight:600}.chat-bubble pre{background:var(--bg-base);padding:var(--space-2);border-radius:var(--radius-sm);margin-bottom:var(--space-2);overflow-x:auto}.chat-bubble code{background-color:#ffffff0d;border-radius:3px;padding:.1rem .3rem;font-family:monospace}.chat-bubble-wrapper.user .chat-bubble{background-color:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-md) var(--radius-md) 0 var(--radius-md)}.chat-bubble-wrapper.ai .chat-bubble{color:var(--text-primary);background-color:#0000;padding-left:0;padding-right:0}.ai-bubble-content{flex-direction:row;display:flex}.avatar{width:30px;height:30px;margin-right:var(--space-3);background-color:var(--border-subtle);border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;display:flex}.msg-meta{gap:var(--space-1);flex-direction:column;display:flex}.timestamp{color:var(--text-secondary);text-align:right;margin-top:var(--space-1);font-size:10px;display:block}.chat-bubble-wrapper.ai .timestamp{text-align:left}.chat-input-wrapper{padding:var(--space-4);background-color:var(--bg-base);justify-content:center;display:flex}.chat-input-container{background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);align-items:flex-end;width:100%;max-width:800px;transition:border-color .2s,box-shadow .2s;display:flex;position:relative}.chat-input-container:focus-within{border-color:var(--accent-base);box-shadow:var(--focus-ring)}.chat-input{color:var(--text-primary);padding:var(--space-3) var(--space-4);font-family:var(--font-sans);font-size:var(--text-base);resize:none;background:0 0;border:none;flex:1;min-height:54px;max-height:200px;line-height:1.5}.chat-input:focus{outline:none}.chat-submit-btn{background-color:var(--accent-base);color:#fff;border-radius:var(--radius-sm);cursor:pointer;width:34px;height:34px;margin:var(--space-2);border:none;flex-shrink:0;justify-content:center;align-items:center;transition:background-color .2s;display:flex}.chat-submit-btn:disabled{background-color:var(--border-subtle);color:var(--text-secondary);cursor:not-allowed}.chat-submit-btn:hover:not(:disabled){background-color:var(--accent-hover)}.typing-indicator{align-items:center;gap:4px;height:24px;display:flex}.typing-dot{background-color:var(--text-secondary);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite typing}.typing-dot:first-child{animation-delay:0s}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing{0%,to{opacity:.5;transform:translateY(0)}50%{opacity:1;transform:translateY(-4px)}}.empty-state{text-align:center;color:var(--text-secondary);max-width:400px;margin:auto}.empty-state h1{font-size:var(--text-xl);color:var(--text-primary);margin-bottom:var(--space-2);font-weight:600}.banner{padding:var(--space-2);border-radius:var(--radius-sm);font-size:var(--text-sm);align-items:center;gap:var(--space-2);display:flex}.banner-error{color:var(--error-base);border:1px solid var(--error-base);background-color:#f851491a}.banner-success{color:var(--success-base);border:1px solid var(--success-base);background-color:#3fb9501a}