*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column;background:#f5f7fa}.app-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1.5rem 2rem;box-shadow:0 4px 20px #00000026;display:flex;justify-content:space-between;align-items:center;gap:2rem}.header-left h1{font-size:2rem;font-weight:700;margin:0;text-shadow:0 2px 4px rgba(0,0,0,.2)}.header-center{flex:1;max-width:600px}.header-right{display:flex;align-items:center}.admin-btn{background:#fff3;border:2px solid rgba(255,255,255,.3);color:#fff;padding:.75rem 1rem;border-radius:12px;font-size:1.2rem;cursor:pointer;transition:all .3s;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.admin-btn:hover{background:#ffffff4d;border-color:#ffffff80;transform:translateY(-2px)}.app-content{display:flex;flex:1;overflow:hidden;gap:0}.sidebar{width:300px;background:#fff;border-right:1px solid #e5e7eb;padding:2rem;overflow-y:auto;box-shadow:2px 0 10px #0000000d}.main-content{flex:1;padding:2rem;overflow-y:auto;background:#f9fafb}.admin-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.admin-panel{background:#fff;border-radius:20px;width:90%;max-width:700px;max-height:95vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #0000004d;animation:slideUp .3s}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.admin-header{display:flex;justify-content:space-between;align-items:center;padding:2rem;border-bottom:1px solid #e5e7eb;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:20px 20px 0 0}.admin-header h2{margin:0;font-size:1.5rem}.close-btn{background:#fff3;border:none;color:#fff;width:36px;height:36px;border-radius:50%;cursor:pointer;font-size:1.2rem;transition:all .2s}.close-btn:hover{background:#ffffff4d;transform:rotate(90deg)}.admin-content{padding:2rem;overflow-y:auto;flex:1;min-height:0}.admin-section{margin-bottom:2rem}.admin-section h3{font-size:1.3rem;margin-bottom:1.5rem;color:#1f2937}.status-connected,.status-disconnected{display:flex;align-items:center;gap:1rem;padding:1rem;border-radius:12px;background:#f9fafb;border:2px solid #e5e7eb}.status-indicator{width:12px;height:12px;border-radius:50%;flex-shrink:0}.status-indicator.connected{background:#10b981;box-shadow:0 0 10px #10b98180}.status-indicator.disconnected{background:#ef4444;box-shadow:0 0 10px #ef444480}.upload-area{border:3px dashed #667eea;border-radius:16px;padding:4rem 3rem;text-align:center;background:#fff;margin-bottom:2rem;transition:all .3s;cursor:pointer;position:relative;overflow:hidden}.upload-area:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(102,126,234,.1),transparent);transition:left .5s}.upload-area:hover:before{left:100%}.upload-area:hover{border-color:#764ba2;background:linear-gradient(135deg,#f8f9ff,#fff);transform:translateY(-4px);box-shadow:0 10px 30px #667eea33}.upload-area.dragover{border-color:#764ba2;background:linear-gradient(135deg,#f0f4ff,#fff);transform:scale(1.02)}.upload-area .upload-icon{font-size:4rem;margin-bottom:1rem;display:block}.upload-area h3{font-size:1.5rem;margin-bottom:.5rem;color:#1f2937}.upload-area p{color:#6b7280;font-size:.95rem}.document-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}.document-card{background:#fff;border-radius:16px;padding:1.5rem;box-shadow:0 2px 8px #00000014;transition:all .3s;border:1px solid #e5e7eb;position:relative;overflow:hidden}.document-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(135deg,#667eea,#764ba2);transform:scaleY(0);transition:transform .3s}.document-card:hover:before{transform:scaleY(1)}.document-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #667eea26;border-color:#667eea}.document-title{font-size:1.2rem;font-weight:600;margin-bottom:.75rem;color:#1f2937;line-height:1.4}.document-meta{font-size:.9rem;color:#6b7280;margin-bottom:1rem;display:flex;flex-direction:column;gap:.25rem}.document-meta div{display:flex;align-items:center;gap:.5rem}.document-actions{display:flex;gap:.5rem;flex-wrap:wrap}.btn{padding:.6rem 1.2rem;border:none;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:500;transition:all .2s;display:inline-flex;align-items:center;gap:.5rem}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 12px #667eea4d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 16px #667eea66}.btn-primary:active{transform:translateY(0)}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;box-shadow:0 4px 12px #ef44444d}.btn-danger:hover{transform:translateY(-2px);box-shadow:0 6px 16px #ef444466}.folder-tree{list-style:none;margin-top:1rem}.folder-item{padding:.875rem 1rem;border-radius:10px;cursor:pointer;margin-bottom:.5rem;transition:all .2s;display:flex;align-items:center;gap:.5rem;font-weight:500}.folder-item:hover{background:linear-gradient(135deg,#f8f9ff,#f0f4ff);transform:translate(4px)}.folder-item.selected{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 12px #667eea4d}.search-bar{display:flex;gap:.75rem;align-items:center}.search-bar input{padding:.875rem 1.25rem;border:2px solid rgba(255,255,255,.3);border-radius:12px;font-size:1rem;width:100%;background:#fff3;color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s}.search-bar input::placeholder{color:#ffffffb3}.search-bar input:focus{outline:none;border-color:#fff9;background:#ffffff4d;box-shadow:0 0 20px #fff3}.search-bar .btn{white-space:nowrap;border:2px solid rgba(255,255,255,.3);background:#fff3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.search-bar .btn:hover{background:#ffffff4d;border-color:#ffffff80}.ai-search-container{background:#fff;border-radius:16px;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 20px #00000014;border:1px solid #e5e7eb}@media (max-width: 768px){.app-header{flex-direction:column;gap:1rem;padding:1rem}.header-center{width:100%}.app-content{flex-direction:column}.sidebar{width:100%;border-right:none;border-bottom:1px solid #e5e7eb}.document-list{grid-template-columns:1fr}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:10px}::-webkit-scrollbar-thumb{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,#5568d3,#6a3d8f)}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}