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var(--primary);transition:var(--transition)}.stat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.stat-icon{width:56px;height:56px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-label{font-size:14px;color:var(--gray-600);margin-bottom:4px}.stat-value{font-size:28px;font-weight:700;color:var(--gray-900)}.dashboard-content{width:100%}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.section-header h2{font-size:20px}.view-all-link{color:var(--primary);font-weight:600;font-size:14px}.documents-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.loading,.no-documents{text-align:center;padding:60px 20px;color:var(--gray-500)}.no-documents{display:flex;flex-direction:column;align-items:center;gap:16px}@media (max-width: 768px){.stats-grid,.documents-grid{grid-template-columns:1fr}}.document-list{margin-top:24px}.folder-browser{display:flex;flex-direction:column;gap:.5rem;margin-top:.75rem}.folder-node{border:1px solid #e2e8f0;border-radius:8px;background:#fff}.folder-row{width:100%;border:0;background:transparent;display:flex;align-items:center;gap:.5rem;padding:.65rem .8rem;cursor:pointer;font-weight:600;color:#2d3748}.folder-row:hover{background:#f7fafc}.folder-icon{color:#d69e2e}.folder-name{flex:1;text-align:left}.folder-count{color:#718096;font-size:.82rem}.folder-children{border-top:1px solid #edf2f7;padding:.4rem .4rem .6rem 1.25rem}.folder-file-row{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.45rem 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h3{font-size:16px;margin-bottom:12px;color:var(--gray-700)}.link-container{display:flex;gap:8px}.link-input{flex:1;padding:10px 12px;border:2px solid var(--gray-200);border-radius:var(--radius);background:var(--gray-50);color:var(--gray-600);font-size:14px}.copy-btn{padding:10px 16px;background:var(--gray-100);border:2px solid var(--gray-200);border-radius:var(--radius);color:var(--gray-700);cursor:pointer;transition:var(--transition)}.copy-btn:hover{background:var(--gray-200)}.shared-users h3{display:flex;align-items:center;gap:8px;font-size:16px;margin-bottom:16px;color:var(--gray-700)}.shared-users 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640px){.toast-container{left:.75rem;right:.75rem;width:auto}}.App{min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #667eea;--primary-dark: #5568d3;--secondary: #764ba2;--success: #48bb78;--danger: #f56565;--warning: #ed8936;--info: #4299e1;--gray-50: #f7fafc;--gray-100: #edf2f7;--gray-200: #e2e8f0;--gray-300: #cbd5e0;--gray-400: #a0aec0;--gray-500: #718096;--gray-600: #4a5568;--gray-700: #2d3748;--gray-800: #1a202c;--gray-900: #171923;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--radius: 8px;--radius-lg: 12px;--transition: all .3s ease}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-color:var(--gray-50);color:var(--gray-800);line-height:1.6}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}h1,h2,h3,h4,h5,h6{color:var(--gray-900);font-weight:600;line-height:1.2}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}a{color:var(--primary);text-decoration:none;transition:var(--transition)}a:hover{color:var(--primary-dark)}button{font-family:inherit;cursor:pointer;border:none;outline:none}input,textarea,select{font-family:inherit;outline:none}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;border:none;border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;transition:var(--transition)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:#fff;color:var(--gray-700);border:2px solid var(--gray-300);border-radius:var(--radius);font-size:16px;font-weight:600;cursor:pointer;transition:var(--transition)}.btn-secondary:hover{background:var(--gray-50);border-color:var(--gray-400)}.icon-btn{display:inline-flex;align-items:center;justify-content:center;padding:8px;background:transparent;color:var(--gray-600);border:none;border-radius:var(--radius);cursor:pointer;transition:var(--transition)}.icon-btn:hover{background:var(--gray-100);color:var(--gray-800)}.loading{text-align:center;padding:40px;color:var(--gray-500)}.empty-state{text-align:center;padding:60px 20px;color:var(--gray-500)}.empty-state p{font-size:18px;font-weight:600;margin-bottom:8px;color:var(--gray-700)}.empty-state span{font-size:14px}.subtitle{color:var(--gray-600);font-size:16px}.badge{display:inline-flex;align-items:center;justify-content:center;padding:2px 8px;background:var(--danger);color:#fff;border-radius:12px;font-size:12px;font-weight:600;min-width:20px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--gray-100)}::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--gray-500)}@media (max-width: 768px){h1{font-size:1.75rem}h2{font-size:1.25rem}h3{font-size:1.1rem}}