*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f0f2f5;color:#222;height:100vh;overflow:hidden}#root{height:100vh;display:flex;flex-direction:column}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0d3b5e,#1a5c8a)}.login-box{background:#fff;border-radius:8px;padding:40px;width:360px;box-shadow:0 8px 32px #0000004d}.login-logo{text-align:center;margin-bottom:28px}.login-logo h1{color:#0d3b5e;font-size:1.8rem;font-weight:700}.login-logo span{color:#1a7fc1}.login-box h2{font-size:1.1rem;color:#555;margin-bottom:24px;text-align:center}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.85rem;color:#555;margin-bottom:4px;font-weight:500}.form-group input{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:4px;font-size:.95rem;transition:border-color .2s}.form-group input:focus{outline:none;border-color:#1a7fc1}.btn-login{width:100%;padding:11px;background:#0d3b5e;color:#fff;border:none;border-radius:4px;font-size:1rem;font-weight:600;cursor:pointer;margin-top:8px;transition:background .2s}.btn-login:hover{background:#1a5c8a}.btn-login:disabled{background:#999;cursor:not-allowed}.login-error{color:#c0392b;font-size:.85rem;margin-top:12px;text-align:center}.app-layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:220px;min-width:220px;background:#0d3b5e;color:#fff;display:flex;flex-direction:column;overflow-y:auto}.sidebar-logo{padding:20px 16px 16px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo h1{font-size:1.3rem;font-weight:700;color:#fff}.sidebar-logo span{color:#4db8ff}.sidebar-nav{flex:1;padding:8px 0}.nav-item{display:flex;align-items:center;gap:10px;padding:10px 16px;cursor:pointer;transition:background .15s;font-size:.9rem;color:#ffffffd9;text-decoration:none;border-left:3px solid transparent}.nav-item:hover{background:#ffffff14;color:#fff}.nav-item.active{background:#ffffff1f;color:#fff;border-left-color:#4db8ff}.nav-icon{font-size:1rem;width:18px;text-align:center}.sidebar-quota{padding:16px;border-top:1px solid rgba(255,255,255,.1)}.quota-label{font-size:.78rem;color:#ffffffb3;margin-bottom:6px}.quota-bar{height:6px;background:#ffffff26;border-radius:3px;overflow:hidden}.quota-fill{height:100%;background:#4db8ff;border-radius:3px;transition:width .3s}.quota-text{font-size:.78rem;color:#ffffffb3;margin-top:5px}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.page-header{background:#fff;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e0e0e0;gap:16px}.header-title{display:flex;align-items:center;gap:10px}.header-title h2{font-size:1.2rem;font-weight:600;color:#0d3b5e}.header-right{display:flex;align-items:center;gap:12px}.user-info{display:flex;align-items:center;gap:8px;font-size:.9rem;color:#555}.user-avatar{width:34px;height:34px;background:#0d3b5e;color:#fff;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;cursor:pointer}.btn-logout{padding:6px 14px;background:transparent;border:1px solid #ddd;border-radius:4px;cursor:pointer;font-size:.85rem;color:#555;transition:all .15s}.btn-logout:hover{border-color:#c0392b;color:#c0392b}.btn-settings{background:none;border:none;cursor:pointer;color:#888;padding:5px;border-radius:4px;display:flex;align-items:center;transition:background .15s,color .15s}.btn-settings:hover{background:#f0f0f0;color:#0d3b5e}.action-bar{padding:16px 24px;display:flex;gap:10px;background:#f5f7fa;border-bottom:1px solid #e0e0e0;flex-wrap:wrap}.btn-action{display:flex;align-items:center;gap:7px;padding:9px 16px;border:none;border-radius:5px;cursor:pointer;font-size:.87rem;font-weight:500;transition:all .15s}.btn-action.primary{background:#0d3b5e;color:#fff}.btn-action.primary:hover{background:#1a5c8a}.btn-action.dark{background:#222;color:#fff}.btn-action.dark:hover{background:#444}.btn-action.upload{background:#1a7fc1;color:#fff}.btn-action.upload:hover{background:#1565a0}.breadcrumb{padding:8px 24px;display:flex;align-items:center;gap:6px;font-size:.85rem;color:#666;background:#fff;border-bottom:1px solid #f0f0f0}.breadcrumb-item{cursor:pointer;color:#1a7fc1}.breadcrumb-item:hover{text-decoration:underline}.breadcrumb-sep{color:#bbb}.breadcrumb-current{color:#444;font-weight:500}.file-list-container{flex:1;overflow-y:auto;background:#fff}.file-list-header{background:#0d3b5e;color:#fff;display:grid;grid-template-columns:36px 1fr 120px 140px 60px;padding:10px 16px;font-size:.82rem;font-weight:600;position:sticky;top:0;z-index:1}.file-list-header span{display:flex;align-items:center;gap:4px}.file-list-header span.sortable{cursor:pointer}.file-list-header span.sortable:hover{color:#4db8ff}.file-row{display:grid;grid-template-columns:36px 1fr 120px 140px 60px;padding:9px 16px;border-bottom:1px solid #f0f2f5;align-items:center;font-size:.88rem;transition:background .1s;cursor:pointer;position:relative}.file-row:hover{background:#f0f6ff}.file-row.selected{background:#e8f0fe}.file-name-cell{display:flex;align-items:center;gap:8px;min-width:0}.file-icon{font-size:1.2rem;flex-shrink:0}.file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-name.folder{font-weight:500;color:#0d3b5e}.file-size,.file-date{color:#666}.file-actions{display:flex;justify-content:center}.btn-more{background:none;border:none;cursor:pointer;color:#666;font-size:1.1rem;padding:4px 8px;border-radius:4px;transition:background .1s}.btn-more:hover{background:#e0e0e0;color:#333}.file-checkbox input{cursor:pointer;width:15px;height:15px}.ctx-menu{position:fixed;background:#fff;border:1px solid #ddd;border-radius:6px;box-shadow:0 4px 16px #0000001f;min-width:180px;z-index:1000;padding:4px 0}.ctx-item{padding:9px 16px;cursor:pointer;font-size:.87rem;display:flex;align-items:center;gap:8px;transition:background .1s}.ctx-item:hover{background:#f5f7fa}.ctx-item.danger{color:#c0392b}.ctx-item.danger:hover{background:#fef0f0}.ctx-separator{height:1px;background:#f0f0f0;margin:4px 0}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px;color:#999;gap:12px}.empty-state-icon{font-size:3rem}.empty-state p{font-size:.95rem}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:900}.modal{background:#fff;border-radius:8px;padding:28px;width:420px;max-width:90vw;box-shadow:0 8px 32px #0003}.modal h3{font-size:1.1rem;color:#0d3b5e;margin-bottom:20px}.modal input{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:4px;font-size:.95rem;margin-bottom:16px}.modal input:focus{outline:none;border-color:#1a7fc1}.modal-actions{display:flex;gap:10px;justify-content:flex-end}.btn-cancel{padding:8px 20px;background:#fff;border:1px solid #ddd;border-radius:4px;cursor:pointer;font-size:.9rem}.btn-cancel:hover{background:#f5f5f5}.btn-confirm{padding:8px 20px;background:#0d3b5e;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.9rem}.btn-confirm:hover{background:#1a5c8a}.upload-zone{border:2px dashed #bdd;border-radius:8px;padding:40px;text-align:center;cursor:pointer;transition:all .2s;margin-bottom:16px;color:#666}.upload-zone.drag-over{border-color:#1a7fc1;background:#f0f8ff;color:#1a7fc1}.upload-zone-icon{font-size:2.5rem;margin-bottom:10px}.upload-file-list{max-height:200px;overflow-y:auto;margin-bottom:16px}.upload-file-item{display:flex;align-items:center;justify-content:space-between;padding:6px 0;font-size:.87rem;border-bottom:1px solid #f0f0f0}.upload-progress{margin-bottom:12px}.progress-bar-wrap{height:8px;background:#eee;border-radius:4px;overflow:hidden}.progress-bar-fill{height:100%;background:#1a7fc1;transition:width .2s}.page-content{flex:1;overflow-y:auto;padding:24px}.page-title{font-size:1.3rem;font-weight:600;color:#0d3b5e;margin-bottom:20px;display:flex;justify-content:space-between;align-items:center}.trash-list,.activity-list{background:#fff;border-radius:8px;border:1px solid #e0e0e0;overflow:hidden}.trash-item,.activity-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid #f0f2f5;font-size:.88rem}.trash-item:last-child,.activity-item:last-child{border-bottom:none}.trash-item-info{flex:1;min-width:0}.trash-item-name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.trash-item-meta{font-size:.8rem;color:#999;margin-top:2px}.trash-actions{display:flex;gap:8px;flex-shrink:0}.btn-restore{padding:5px 12px;background:#0d3b5e;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.82rem}.btn-restore:hover{background:#1a5c8a}.btn-perm-delete{padding:5px 12px;background:#fff;color:#c0392b;border:1px solid #c0392b;border-radius:4px;cursor:pointer;font-size:.82rem}.btn-perm-delete:hover{background:#fef0f0}.activity-action{font-weight:500;color:#0d3b5e;min-width:150px}.activity-resource{flex:1;color:#555}.activity-time{color:#999;font-size:.8rem;white-space:nowrap}.inline-error{padding:8px 12px;background:#fef0f0;border:1px solid #f5c6cb;border-radius:4px;color:#c0392b;font-size:.87rem;margin-bottom:12px}.bulk-action-bar{display:flex;align-items:center;gap:10px;padding:8px 24px;background:#e8f0fe;border-bottom:1px solid #c8d8f8}.bulk-count{font-size:.85rem;color:#0d3b5e;font-weight:500;margin-right:6px}.preview-modal{background:#0d1f2d;border-radius:8px;overflow:hidden;max-width:90vw;max-height:90vh;display:flex;flex-direction:column}.preview-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#0d3b5e;color:#fff;font-weight:500}.preview-close{background:none;border:none;color:#a8c8e8;cursor:pointer;display:flex;align-items:center}.preview-close:hover{color:#fff}.preview-image{max-width:90vw;max-height:80vh;object-fit:contain;display:block}.preview-video{max-width:90vw;max-height:80vh;display:block}.preview-pdf{width:90vw;height:85vh;border:none;display:block}.btn-action{display:inline-flex;align-items:center;gap:6px}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem}.modal-header h3{margin:0}.modal-close{background:none;border:none;cursor:pointer;color:#888;padding:4px;border-radius:4px;display:flex;align-items:center;transition:background .15s,color .15s}.modal-close:hover{background:#f0f0f0;color:#333}.action-bar-search input{background:#fff;color:#222;border:1px solid #d1d5db;border-radius:6px;font-size:.85rem;outline:none}.notif-dropdown{position:absolute;right:0;top:110%;z-index:1000;background:#fff;border:1px solid #e5e7eb;border-radius:10px;box-shadow:0 8px 30px #0000001f;width:320px;overflow:hidden}body.dark-mode .modal-close{color:#a8c8e8}body.dark-mode .modal-close:hover{background:#ffffff1a;color:#fff}body.dark-mode .notif-dropdown{background:#0d3b5e;border-color:#1a5a8a;box-shadow:0 8px 30px #0006}body.dark-mode .action-bar-search input{background:#06243d;color:#e8f4ff;border-color:#1a5a8a}body.dark-mode .action-bar-search input::placeholder{color:#6a9cc0}.mobile-menu-btn{display:none;background:none;border:none;cursor:pointer;padding:6px;color:#555}.sidebar-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:99}.sidebar-overlay.open{display:block}.toggle-switch{position:relative;width:44px;height:24px;display:inline-block;flex-shrink:0}.toggle-switch input{display:none}.toggle-slider{position:absolute;top:0;right:0;bottom:0;left:0;background:#ccc;border-radius:24px;cursor:pointer;transition:background .2s}.toggle-slider:before{content:"";position:absolute;width:18px;height:18px;border-radius:50%;background:#fff;top:3px;left:3px;transition:transform .2s;box-shadow:0 1px 3px #0003}.toggle-switch input:checked+.toggle-slider{background:#0d3b5e}.toggle-switch input:checked+.toggle-slider:before{transform:translate(20px)}body.dark-mode{background:#06243d;color:#e8f4ff}body.dark-mode .page-header{background:#0d3b5e;border-bottom-color:#1a5a8a}body.dark-mode .header-title h2{color:#e8f4ff}body.dark-mode .user-info{color:#a8c8e8}body.dark-mode .btn-logout{color:#a8c8e8;border-color:#1a5a8a}body.dark-mode .btn-logout:hover{border-color:#ef5350;color:#ef9a9a}body.dark-mode .btn-settings{color:#a8c8e8}body.dark-mode .btn-settings:hover{background:#ffffff1a;color:#fff}body.dark-mode .toggle-switch input:checked+.toggle-slider{background:#4db8ff}body.dark-mode .action-bar{background:#0a2d47;border-bottom-color:#1a5a8a}body.dark-mode .breadcrumb{background:#0d3b5e;border-bottom-color:#1a5a8a;color:#a8c8e8}body.dark-mode .breadcrumb-item{color:#4db8ff}body.dark-mode .breadcrumb-current{color:#e8f4ff}body.dark-mode .file-list-container{background:#06243d}body.dark-mode .file-list-header{background:#0a2d47}body.dark-mode .file-row{border-bottom-color:#0f2d48;color:#e8f4ff}body.dark-mode .file-row:hover{background:#0a2d47}body.dark-mode .file-row.selected{background:#0f3a5a}body.dark-mode .file-name.folder{color:#4db8ff}body.dark-mode .file-size,body.dark-mode .file-date,body.dark-mode .btn-more{color:#a8c8e8}body.dark-mode .btn-more:hover{background:#1a5a8a;color:#fff}body.dark-mode .ctx-menu{background:#0d3b5e;border-color:#1a5a8a;box-shadow:0 4px 20px #00000080}body.dark-mode .ctx-item{color:#e8f4ff}body.dark-mode .ctx-item:hover{background:#1a5a8a}body.dark-mode .ctx-item.danger{color:#ef9a9a}body.dark-mode .ctx-item.danger:hover{background:#3a1414}body.dark-mode .ctx-separator{background:#1a5a8a}body.dark-mode .modal{background:#0d3b5e;color:#e8f4ff;box-shadow:0 8px 32px #00000080}body.dark-mode .modal h3{color:#4db8ff}body.dark-mode .modal h2{color:#e8f4ff}body.dark-mode .modal input{background:#06243d;border-color:#1a5a8a;color:#e8f4ff}body.dark-mode .modal input:focus{border-color:#4db8ff}body.dark-mode .modal input::placeholder{color:#6a9cc0}body.dark-mode .btn-cancel{background:#0a2d47;border-color:#1a5a8a;color:#a8c8e8}body.dark-mode .btn-cancel:hover{background:#1a5a8a;color:#fff}body.dark-mode .modal select{background:#06243d;color:#e8f4ff;border-color:#1a5a8a}body.dark-mode .upload-zone{border-color:#1a5a8a;color:#a8c8e8}body.dark-mode .upload-zone.drag-over{border-color:#4db8ff;background:#0a2d47;color:#4db8ff}body.dark-mode .upload-file-item{border-bottom-color:#1a3a5a;color:#e8f4ff}body.dark-mode .progress-bar-wrap{background:#1a3a5a}body.dark-mode .bulk-action-bar{background:#0a2d47;border-bottom-color:#1a5a8a}body.dark-mode .bulk-count{color:#a8c8e8}body.dark-mode .page-content{background:#06243d}body.dark-mode .page-title{color:#e8f4ff}body.dark-mode .trash-list,body.dark-mode .activity-list{background:#0d3b5e;border-color:#1a5a8a}body.dark-mode .trash-item,body.dark-mode .activity-item{border-bottom-color:#1a3a5a;color:#e8f4ff}body.dark-mode .trash-item-meta{color:#a8c8e8}body.dark-mode .activity-action{color:#4db8ff}body.dark-mode .activity-resource{color:#e8f4ff}body.dark-mode .activity-time{color:#a8c8e8}body.dark-mode .btn-restore{background:#1a5a8a}body.dark-mode .btn-restore:hover{background:#1a7fc1}body.dark-mode .btn-perm-delete{background:transparent;border-color:#ef5350;color:#ef9a9a}body.dark-mode .btn-perm-delete:hover{background:#3a1414}body.dark-mode .empty-state{color:#a8c8e8}body.dark-mode .inline-error{background:#3a1414;border-color:#ef5350;color:#ef9a9a}body.dark-mode .move-folder-list{background:#06243d;border-color:#1a5a8a}body.dark-mode .move-folder-item{border-bottom-color:#1a3a5a;color:#e8f4ff}body.dark-mode .move-folder-item:hover{background:#0a2d47}@media (max-width: 768px){body{overflow:auto}#root{height:auto;min-height:100vh}.app-layout{flex-direction:column;height:auto;min-height:100vh}.sidebar{position:fixed;left:-240px;top:0;bottom:0;width:240px;z-index:100;transition:left .25s ease;overflow-y:auto}.sidebar.open{left:0}.main-content{width:100%;overflow:auto}.mobile-menu-btn{display:flex}.page-header{padding:0 12px;height:52px}.header-title h2{font-size:1rem}.user-info span{display:none}.action-bar{padding:10px 12px;gap:6px}.btn-action{padding:7px 10px;font-size:.8rem;gap:5px}.breadcrumb{padding:6px 12px;font-size:.8rem}.file-list-container{overflow-y:auto}.file-list-header{grid-template-columns:30px 1fr 70px 40px;padding:8px 10px;font-size:.75rem}.file-list-header span:nth-child(4){display:none}.file-row{grid-template-columns:30px 1fr 70px 40px;padding:8px 10px;font-size:.82rem}.file-date{display:none}.bulk-action-bar{padding:8px 12px;gap:6px;flex-wrap:wrap}.bulk-action-bar .btn-action span:not(.bulk-count){display:none}.ctx-menu{min-width:160px}.ctx-item{padding:10px 14px;font-size:.85rem}.modal{width:95vw!important;max-width:95vw!important;padding:20px}.preview-modal{max-width:100vw;max-height:100vh;border-radius:0}.preview-image,.preview-video{max-width:100vw;max-height:85vh}.preview-pdf{width:100vw;height:85vh}.page-content{padding:12px}.shares-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}}@media (max-width: 480px){.file-list-header{grid-template-columns:28px 1fr 40px}.file-list-header span:nth-child(3){display:none}.file-row{grid-template-columns:28px 1fr 40px}.file-size{display:none}}