*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0e0f11;--bg2: #14161a;--bg3: #1c1f25;--bg4: #242830;--border: #2a2d35;--border2: #363b46;--text: #e2e4ea;--text2: #9098a8;--text3: #5a6070;--accent: #4f8ef7;--accent-dim: rgba(79, 142, 247, .12);--accent-hover: #6aa0ff;--danger: #e85555;--danger-dim: rgba(232, 85, 85, .1);--success: #3ec97e;--success-dim: rgba(62, 201, 126, .1);--warn: #f59e0b;--radius: 8px;--radius-sm: 5px;--font: "IBM Plex Sans", system-ui, sans-serif;--mono: "IBM Plex Mono", monospace;--sidebar-w: 240px;--transition: .14s ease}html,body,#root{height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}.app-loading{display:flex;align-items:center;justify-content:center;height:100vh;color:var(--text2);font-size:16px}.login-root{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);background-image:radial-gradient(ellipse at 20% 50%,rgba(79,142,247,.06) 0%,transparent 60%),radial-gradient(ellipse at 80% 20%,rgba(79,142,247,.04) 0%,transparent 50%)}.login-card{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:40px 44px;width:380px;box-shadow:0 24px 64px #00000080}.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:6px}.login-logo-icon{width:28px;height:28px;flex-shrink:0;color:var(--accent);filter:drop-shadow(0 0 12px rgba(79,142,247,.5))}.login-logo-text{font-size:22px;font-weight:600;letter-spacing:-.5px;color:var(--text)}.login-sub{color:var(--text3);font-size:13px;margin-bottom:32px}.login-form{display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:12px;color:var(--text2);font-weight:500;letter-spacing:.3px}.field input{background:var(--bg3);border:1px solid var(--border2);border-radius:var(--radius-sm);padding:10px 12px;color:var(--text);font-family:var(--font);font-size:14px;transition:border-color var(--transition),box-shadow var(--transition);outline:none}.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.field input::placeholder{color:var(--text3)}.login-error{background:var(--danger-dim);border:1px solid rgba(232,85,85,.25);border-radius:var(--radius-sm);padding:10px 12px;color:var(--danger);font-size:13px}.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);padding:10px 20px;font-family:var(--font);font-size:14px;font-weight:500;cursor:pointer;transition:background var(--transition),transform var(--transition)}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg4);color:var(--text2);border:1px solid var(--border2);border-radius:var(--radius-sm);padding:10px 20px;font-family:var(--font);font-size:14px;cursor:pointer;transition:background var(--transition)}.btn-secondary:hover{background:var(--bg3);color:var(--text)}.btn-icon{background:transparent;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border-radius:4px;color:var(--text2);transition:background var(--transition),color var(--transition)}.btn-icon svg{width:16px;height:16px}.btn-icon:hover{background:var(--bg4);color:var(--text)}.btn-download:hover{color:var(--accent)}.btn-delete:hover{color:var(--danger)}.dashboard{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-w);background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden}.sidebar-brand{display:flex;align-items:center;gap:8px;padding:18px 16px 14px;border-bottom:1px solid var(--border)}.brand-icon{width:20px;height:20px;flex-shrink:0;color:var(--accent);filter:drop-shadow(0 0 8px rgba(79,142,247,.4))}.brand-name{font-size:15px;font-weight:600;letter-spacing:-.3px}.folder-tree{flex:1;overflow-y:auto;padding:8px 0}.folder-tree::-webkit-scrollbar{width:4px}.folder-tree::-webkit-scrollbar-track{background:transparent}.folder-tree::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.folder-node{display:flex;align-items:center;padding:0 8px;cursor:pointer;border-radius:0;transition:background var(--transition);min-height:32px;position:relative}.folder-node:hover{background:var(--bg3)}.folder-node.active{background:var(--accent-dim)}.root-node{padding-left:12px!important;font-weight:500;gap:6px;cursor:pointer}.folder-toggle{display:flex;align-items:center;gap:4px;background:transparent;border:none;color:inherit;cursor:pointer;font-family:var(--font);font-size:13px;flex:1;text-align:left;padding:0}.folder-chevron,.folder-chevron-spacer{width:12px;height:12px;flex-shrink:0}.folder-chevron{color:var(--text3)}.folder-icon{width:16px;height:16px;flex-shrink:0;color:#f3ba2f}.root-node .folder-icon{color:var(--accent)}.folder-name{color:var(--text2);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.folder-node.active .folder-name{color:var(--accent)}.folder-actions{display:none;gap:2px;margin-left:auto}.folder-node:hover .folder-actions{display:flex}.folder-actions button{background:transparent;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;color:var(--text3);padding:0;border-radius:3px;line-height:1}.folder-actions button svg{width:14px;height:14px}.folder-actions button:hover{background:var(--bg4);color:var(--text)}.btn-new-folder{display:flex;align-items:center;justify-content:center;gap:8px;width:calc(100% - 16px);margin:8px;background:transparent;border:1px dashed var(--border2);color:var(--text3);padding:7px;border-radius:var(--radius-sm);cursor:pointer;font-size:12px;font-family:var(--font);transition:border-color var(--transition),color var(--transition)}.btn-new-folder svg{width:14px;height:14px}.btn-new-folder:hover{border-color:var(--accent);color:var(--accent)}.sidebar-footer{border-top:1px solid var(--border);padding:12px 14px;display:flex;align-items:center;justify-content:space-between}.sidebar-user{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text3)}.sidebar-user-icon{width:16px;height:16px;flex-shrink:0;color:var(--text2)}.btn-logout{background:transparent;border:none;cursor:pointer;display:inline-flex;align-items:center;gap:6px;color:var(--text3);font-size:12px;font-family:var(--font);padding:4px 8px;border-radius:4px;transition:color var(--transition),background var(--transition)}.button-icon{width:16px;height:16px;flex-shrink:0}.btn-logout:hover{color:var(--danger);background:var(--danger-dim)}.content{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}.content-header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--border);gap:16px;flex-shrink:0}.btn-upload{background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);display:inline-flex;align-items:center;gap:8px;padding:8px 16px;font-family:var(--font);font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap;transition:background var(--transition)}.btn-upload:hover{background:var(--accent-hover)}.breadcrumb{display:flex;align-items:center;gap:2px;flex-wrap:wrap;overflow:hidden}.breadcrumb-item{background:transparent;border:none;cursor:pointer;display:inline-flex;align-items:center;gap:6px;color:var(--text2);font-family:var(--font);font-size:13px;padding:3px 6px;border-radius:4px;transition:color var(--transition),background var(--transition)}.breadcrumb-item:hover{color:var(--accent);background:var(--accent-dim)}.breadcrumb-sep-wrap{display:flex;align-items:center}.breadcrumb-home-icon{width:14px;height:14px;flex-shrink:0}.breadcrumb-sep{width:14px;height:14px;color:var(--text3);margin:0 1px}.subfolder-section,.files-section{padding:20px 24px 0}.section-title{font-size:11px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--text3);margin-bottom:12px}.subfolder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:10px;margin-bottom:24px}.subfolder-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 12px;display:flex;flex-direction:column;align-items:flex-start;gap:6px;cursor:pointer;position:relative;transition:border-color var(--transition),background var(--transition)}.subfolder-card:hover{border-color:var(--border2);background:var(--bg3)}.subfolder-icon{width:28px;height:28px;flex-shrink:0;color:#f3ba2f}.subfolder-card-name{font-size:13px;color:var(--text2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;width:100%}.subfolder-card-actions{display:none;position:absolute;top:6px;right:6px;gap:2px}.subfolder-card:hover .subfolder-card-actions{display:flex}.subfolder-card-actions button{background:var(--bg4);border:1px solid var(--border);border-radius:4px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;color:var(--text3)}.subfolder-card-actions button svg{width:14px;height:14px}.subfolder-card-actions button:hover{color:var(--text);background:var(--bg3)}.files-section{flex:1;overflow-y:auto;padding-bottom:24px}.files-section::-webkit-scrollbar{width:5px}.files-section::-webkit-scrollbar-track{background:transparent}.files-section::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.file-list{width:100%}.file-list-header,.file-row{display:grid;grid-template-columns:1fr 90px 140px 72px;align-items:center;gap:8px;padding:8px 12px}.file-list-header{font-size:11px;color:var(--text3);font-weight:600;letter-spacing:.5px;text-transform:uppercase;border-bottom:1px solid var(--border);margin-bottom:2px}.file-row{border-radius:var(--radius-sm);transition:background var(--transition)}.file-row:hover{background:var(--bg2)}.file-name-cell{display:flex;align-items:center;gap:8px;overflow:hidden}.file-type-icon{width:18px;height:18px;flex-shrink:0;color:var(--accent-hover)}.file-original-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);font-size:13px}.col-size,.col-date{color:var(--text3);font-size:12px;font-family:var(--mono)}.col-actions{display:flex;align-items:center;gap:2px;justify-content:flex-end}.loading-state,.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--text3);gap:8px}.empty-icon{width:40px;height:40px}.empty-state p{font-size:14px}.empty-hint{font-size:12px;color:var(--text3)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .15s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg2);border:1px solid var(--border2);border-radius:12px;width:520px;max-width:94vw;box-shadow:0 32px 80px #0009;animation:slideUp .18s ease}.modal-sm{width:380px;padding:24px}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;align-items:baseline;gap:10px;padding:20px 20px 0}.modal-header h2{font-size:16px;font-weight:600}.modal-title{display:inline-flex;align-items:center;gap:8px}.modal-title-icon{width:18px;height:18px;flex-shrink:0;color:var(--accent)}.modal-folder-hint{font-size:12px;color:var(--text3);flex:1}.create-folder-hint{margin-bottom:16px;padding:0 24px}.create-folder-footer{margin-top:16px}.modal-close{background:transparent;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;color:var(--text3);padding:0;border-radius:4px;margin-left:auto;transition:color var(--transition),background var(--transition)}.modal-close svg{width:18px;height:18px}.modal-close:hover{color:var(--text);background:var(--bg4)}.drop-zone{margin:16px 20px 0;border:1.5px dashed var(--border2);border-radius:var(--radius);padding:36px 20px;display:flex;flex-direction:column;align-items:center;gap:6px;cursor:pointer;transition:border-color var(--transition),background var(--transition)}.drop-zone:hover,.drop-zone.dragging{border-color:var(--accent);background:var(--accent-dim)}.drop-icon{width:36px;height:36px;color:var(--accent);filter:drop-shadow(0 0 10px rgba(79,142,247,.3))}.drop-zone p{font-size:14px;color:var(--text2)}.drop-hint{font-size:12px;color:var(--text3)!important}.upload-list{margin:12px 20px 0;max-height:220px;overflow-y:auto;display:flex;flex-direction:column;gap:4px}.upload-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 10px;background:var(--bg3);border-radius:var(--radius-sm)}.upload-item.status-done{background:var(--success-dim)}.upload-item.status-error{background:var(--danger-dim)}.upload-item-info{flex:1;overflow:hidden}.upload-item-name{font-size:13px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}.upload-item-error{font-size:11px;color:var(--danger);display:block}.upload-status-badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--success);font-weight:500}.upload-status-icon{width:14px;height:14px}.upload-item-right{flex-shrink:0;min-width:100px;display:flex;align-items:center;justify-content:flex-end}.progress-bar{width:100%;height:18px;background:var(--bg4);border-radius:9px;overflow:hidden;position:relative}.progress-fill{height:100%;background:var(--accent);border-radius:9px;transition:width .2s ease}.progress-label{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:10px;font-family:var(--mono);color:#fff}.modal-footer{display:flex;gap:8px;justify-content:flex-end;padding:16px 20px}.text-input{width:100%;background:var(--bg3);border:1px solid var(--border2);border-radius:var(--radius-sm);padding:10px 12px;color:var(--text);font-family:var(--font);font-size:14px;outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.text-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.text-input::placeholder{color:var(--text3)}@media (max-width: 820px){.dashboard{flex-direction:column;min-height:100vh;height:auto;overflow:auto}.sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border)}.sidebar-brand{padding:14px 16px 12px}.folder-tree{flex:none;max-height:240px;padding-bottom:12px}.sidebar-footer{gap:12px;flex-wrap:wrap}.content{overflow:visible}.content-header{flex-wrap:wrap;align-items:stretch;padding:14px 16px}.breadcrumb{width:100%}.btn-upload{width:100%;justify-content:center}.subfolder-section,.files-section{padding:16px 16px 0}.subfolder-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.files-section{overflow:visible;padding-bottom:20px}}@media (max-width: 560px){.login-root{padding:16px}.login-card{width:100%;padding:28px 22px}.sidebar-brand,.content-header,.subfolder-section,.files-section{padding-left:14px;padding-right:14px}.folder-tree{max-height:220px}.file-list{display:flex;flex-direction:column;gap:8px}.file-list-header{display:none}.file-row{grid-template-columns:1fr auto;grid-template-areas:"name actions" "size date";gap:6px 12px;align-items:start;padding:12px;background:var(--bg2);border:1px solid var(--border)}.file-row .col-name{grid-area:name}.file-row .col-actions{grid-area:actions;align-self:start}.file-row .col-size{grid-area:size}.file-row .col-date{grid-area:date;justify-self:start}.file-original-name{white-space:normal;word-break:break-word}.loading-state,.empty-state{padding:42px 16px}.modal-overlay{padding:12px}.modal,.modal-sm{width:100%;max-width:none}.modal-sm{padding:20px 18px}.modal-header{align-items:flex-start;flex-wrap:wrap;padding:16px 16px 0}.modal-folder-hint{width:100%;order:3}.create-folder-hint{padding:0 16px}.drop-zone{margin:14px 16px 0;padding:28px 16px}.upload-item{flex-direction:column;align-items:stretch}.upload-item-right{width:100%;min-width:0;justify-content:flex-start}.modal-footer{flex-direction:column-reverse;padding:16px}.modal-footer .btn-primary,.modal-footer .btn-secondary{width:100%}}