:root{--primary-color: #008b8b;--primary-hover: #007070;--secondary-color: #f5f5f5;--danger-color: #dc3545;--success-color: #28a745;--border-color: #ddd;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:#333;font-size:16px}.container{width:100%;margin:0 auto;padding:0 var(--spacing-sm)}@media(min-width:768px){.container{max-width:720px;padding:0 var(--spacing-md)}}@media(min-width:1024px){.container{max-width:960px}}@media(min-width:1280px){.container{max-width:1200px}}header{background-color:var(--primary-color);color:#fff;padding:var(--spacing-sm) 0;box-shadow:0 2px 4px #0000001a;position:sticky;top:0;z-index:1000}nav{display:flex;flex-direction:column;gap:var(--spacing-sm);align-items:stretch}@media(min-width:768px){nav{flex-direction:row;align-items:center;justify-content:space-between}}nav h1{font-size:1.5rem;margin-bottom:var(--spacing-xs)}@media(min-width:768px){nav h1{margin-bottom:0;font-size:1.75rem}}.logo-link{display:flex;align-items:center;padding:.25rem .5rem!important;border-bottom:none!important}.logo-link:hover{background-color:transparent!important}.header-logo{height:40px;width:auto;display:block}@media(min-width:768px){.header-logo{height:48px}}.nav-links{display:flex;flex-direction:column;gap:0;width:100%}@media(min-width:768px){.nav-links{flex-direction:row;gap:var(--spacing-sm);width:auto;align-items:center}}.nav-actions{display:flex;flex-direction:column;gap:var(--spacing-xs);width:100%}@media(min-width:768px){.nav-actions{flex-direction:row;gap:var(--spacing-sm);width:auto;align-items:center}}.nav-actions a{width:100%;border:none;padding:0}@media(min-width:768px){.nav-actions a{width:auto}}nav a{color:#fff;text-decoration:none;padding:var(--spacing-sm);border-radius:4px;transition:background-color .2s;display:block;border-bottom:1px solid rgba(255,255,255,.1);min-height:48px;display:flex;align-items:center}@media(min-width:768px){nav a{border-bottom:none;min-height:auto;padding:var(--spacing-xs) var(--spacing-sm)}}nav a:hover{background-color:#ffffff1a}nav button{background-color:#ffffff1a;color:#fff;padding:var(--spacing-sm);border:1px solid rgba(255,255,255,.3);border-radius:4px;min-height:48px;font-size:1rem;width:100%;margin-top:var(--spacing-xs)}@media(min-width:768px){nav button{width:auto;margin-top:0;padding:var(--spacing-xs) var(--spacing-md)}}nav button:hover{background-color:#fff3}main{padding:var(--spacing-md) 0;min-height:calc(100vh - 180px)}@media(min-width:768px){main{padding:var(--spacing-lg) 0;min-height:calc(100vh - 200px)}}footer{background-color:var(--secondary-color);padding:var(--spacing-md) 0;text-align:center;border-top:1px solid var(--border-color);margin-top:var(--spacing-lg);font-size:.875rem}@media(min-width:768px){footer{padding:var(--spacing-lg) 0;margin-top:var(--spacing-xl)}}button{background-color:var(--primary-color);color:#fff;padding:var(--spacing-sm) var(--spacing-md);border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:background-color .2s;min-height:48px;font-weight:500;width:100%}@media(min-width:768px){button{width:auto;min-height:auto}}button:hover{background-color:var(--primary-hover)}button:active{transform:scale(.98)}button.secondary{background-color:#6c757d}button.secondary:hover{background-color:#5a6268}button.danger{background-color:var(--danger-color)}button.danger:hover{background-color:#c82333}form{display:flex;flex-direction:column;gap:var(--spacing-md);width:100%}@media(min-width:768px){form{max-width:500px}}input,textarea,select{padding:var(--spacing-sm);border:1px solid var(--border-color);border-radius:4px;font-size:1rem;width:100%;min-height:48px}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #008b8b1a}label{font-weight:600;margin-bottom:var(--spacing-xs);display:block;font-size:.9rem}@media(min-width:768px){label{font-size:1rem}}table{width:100%;border-collapse:collapse;background-color:#fff;box-shadow:0 1px 3px #0000001a;font-size:.875rem;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}@media(min-width:768px){table{display:table;font-size:1rem}}th,td{padding:var(--spacing-sm);text-align:left;border-bottom:1px solid var(--border-color);white-space:nowrap}@media(min-width:768px){th,td{padding:var(--spacing-md);white-space:normal}}th{background-color:var(--secondary-color);font-weight:600;position:sticky;top:0;z-index:10}tr:hover{background-color:var(--secondary-color)}.alert{padding:var(--spacing-sm);margin-bottom:var(--spacing-sm);border-radius:4px;font-size:.9rem}@media(min-width:768px){.alert{padding:var(--spacing-md);margin-bottom:var(--spacing-md);font-size:1rem}}.alert.success{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb}.alert.danger{background-color:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.alert.info{background-color:#d1ecf1;color:#0c5460;border:1px solid #bee5eb}h1{font-size:1.75rem;margin-bottom:var(--spacing-md)}@media(min-width:768px){h1{font-size:2.25rem}}h2{font-size:1.5rem;margin-bottom:var(--spacing-sm);margin-top:var(--spacing-lg)}@media(min-width:768px){h2{font-size:1.875rem}}h3{font-size:1.25rem;margin-bottom:var(--spacing-xs)}@media(min-width:768px){h3{font-size:1.5rem}}p{margin-bottom:var(--spacing-sm);line-height:1.6}.grid{display:grid;gap:var(--spacing-sm);grid-template-columns:1fr}@media(min-width:640px){.grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-md)}}@media(min-width:1024px){.grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}}.card{padding:var(--spacing-md);background:#f8f9fa;border-radius:8px;border-left:4px solid var(--primary-color)}.card h3{margin-bottom:var(--spacing-xs)}.card p{margin-bottom:var(--spacing-sm);font-size:.9rem}.card a{color:var(--primary-color);text-decoration:none;font-weight:600;display:inline-block;margin-top:var(--spacing-xs)}@media(hover:hover){.card a:hover{text-decoration:underline}}.documents-container{max-width:1400px;margin:0 auto;padding:2rem}.folder-filter-section{margin-bottom:2rem}.folder-chips{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1rem}.folder-chip-wrapper{position:relative;display:inline-flex;align-items:center}.folder-chip{padding:.75rem 1.25rem;background:#fff;border:2px solid #e0e0e0;border-radius:24px;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:.5rem;color:#555}.folder-chip:hover{border-color:var(--primary-color);background:#008b8b0d;transform:translateY(-2px)}.folder-chip.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:0 4px 12px #008b8b4d}.folder-chip-delete{position:absolute;top:-6px;right:-6px;width:24px;height:24px;padding:0;background:var(--danger-color);border:2px solid white;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .2s;box-shadow:0 2px 8px #0003}.folder-chip-wrapper:hover .folder-chip-delete{opacity:1}.folder-chip-delete:hover:not(:disabled){transform:scale(1.1);background:#c62828}.folder-chip-delete:disabled{opacity:.5;cursor:not-allowed}.folder-chip-delete svg{color:#fff;width:12px;height:12px}.action-bar{display:flex;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.btn-primary,.btn-secondary{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s;border:none}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #008b8b4d}.btn-secondary{background:#fff;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-secondary:hover:not(:disabled){background:#008b8b0d}.btn-primary:disabled,.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.dropzone{border:3px dashed #ddd;border-radius:12px;padding:3rem;text-align:center;background:#fafafa;transition:all .3s;margin-bottom:2rem;cursor:pointer}.dropzone:hover{border-color:var(--primary-color);background:#008b8b05}.dropzone.dragging{border-color:var(--primary-color);background:#008b8b1a;transform:scale(1.02)}.dropzone svg{color:#999;margin-bottom:1rem}.dropzone.dragging svg{color:var(--primary-color);animation:bounce .5s ease infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.dropzone p{color:#666;margin-bottom:1rem;font-size:1.1rem}.dropzone-label{display:inline-block;padding:.75rem 1.5rem;background:var(--primary-color);color:#fff;border-radius:8px;cursor:pointer;transition:all .2s;font-weight:500}.dropzone-label:hover{background:var(--primary-hover);transform:translateY(-2px)}.items-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;margin-bottom:2rem}.section-title{font-size:1.25rem;font-weight:600;margin:2rem 0 1rem;color:#333}.item-card{background:#fff;border-radius:12px;padding:1.5rem;border:2px solid #f0f0f0;transition:all .2s;cursor:pointer;display:flex;flex-direction:column;gap:1rem}.item-card:hover{border-color:var(--primary-color);transform:translateY(-4px);box-shadow:0 8px 24px #0000001a}.folder-card,.document-card{cursor:default}.item-icon{display:flex;align-items:center;justify-content:center}.item-icon svg{transition:all .2s}.folder-icon svg{color:#ffb740}.file-icon svg{color:#4a90e2}.item-details h3{font-size:1rem;font-weight:600;margin:0 0 .5rem;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item-meta{font-size:.875rem;color:#666;margin:0}.item-date{font-size:.8rem;color:#999;margin:.25rem 0 0}.item-actions{display:flex;gap:.5rem;margin-top:auto;padding-top:1rem;border-top:1px solid #f0f0f0}.action-btn{flex:1;padding:.5rem;border:1px solid #ddd;background:#fff;border-radius:6px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.action-btn:hover:not(:disabled){background:#f8f9fa;border-color:var(--primary-color)}.action-btn svg{color:var(--primary-color)}.action-btn.danger{background:var(--danger-color);border-color:var(--danger-color)}.action-btn.danger svg{color:#fff}.action-btn.danger:hover:not(:disabled){background:#fff;border-color:var(--danger-color)}.action-btn.danger:hover:not(:disabled) svg{color:var(--danger-color)}.action-btn:disabled{opacity:.5;cursor:not-allowed}.empty-state{text-align:center;padding:4rem 2rem;color:#999}.empty-state svg{color:#ddd;margin-bottom:1rem}.empty-state p{margin:.5rem 0;font-size:1.1rem}.empty-hint{font-size:.9rem!important;color:#bbb!important}.modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem;animation:fadeIn .2s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:#fff;border-radius:12px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;animation:slideUp .3s}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;border-bottom:1px solid #f0f0f0}.modal-header h2{margin:0;font-size:1.5rem}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#999;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .2s}.modal-close:hover{background:#f0f0f0;color:#333}.modal-content form{padding:1.5rem}.modal-footer{display:flex;gap:1rem;justify-content:flex-end;padding:1.5rem;border-top:1px solid #f0f0f0;margin:0}.viewer-modal{max-width:90vw;max-height:90vh;width:1200px;display:flex;flex-direction:column}.viewer-container{flex:1;padding:0;display:flex;background:#f5f5f5;overflow:hidden}.document-viewer{width:100%;height:70vh;border:none;background:#fff}@media(max-width:768px){.viewer-modal{width:100%;max-width:100vw;max-height:95vh}.document-viewer{height:60vh}}.form-group{margin-bottom:1.5rem}.form-group label{display:block;font-weight:600;margin-bottom:.5rem;color:#333;font-size:.95rem}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.75rem;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;transition:all .2s;font-family:inherit}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #008b8b1a}.form-group textarea{resize:vertical;min-height:80px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media(max-width:640px){.form-row{grid-template-columns:1fr}}.file-input-display{padding:.75rem;background:#f8f9fa;border:2px dashed #ddd;border-radius:8px;color:#666;font-size:.95rem}@media(max-width:768px){.documents-container{padding:1rem}.items-grid{grid-template-columns:1fr}.action-bar{flex-direction:column}.btn-primary,.btn-secondary{width:100%;justify-content:center}.dropzone{padding:2rem 1rem}}