:root{--bg:#fff;--fg:#0f1729;--muted:#65758b;--border:#e1e7ef;--hover:#f8fafc;--primary:#0f1729;--primary-fg:#fff;--destructive:#dc2828;--radius:6px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{color:var(--fg);background:var(--bg);font-family:system-ui,-apple-system,sans-serif;font-size:14px}header{z-index:10;background:var(--bg);border-bottom:1px solid var(--border);align-items:center;gap:12px;height:52px;padding:0 24px;display:flex;position:sticky;top:0}.logo{letter-spacing:-.3px;flex-shrink:0;font-size:15px;font-weight:600}#bucket-select{border:1px solid var(--border);border-radius:var(--radius);height:32px;color:var(--fg);background:var(--bg);cursor:pointer;padding:0 8px;font-size:13px}.header-spacer{flex:1}#search{border:1px solid var(--border);border-radius:var(--radius);width:200px;height:32px;color:var(--fg);background:var(--bg);padding:0 10px;font-size:13px}#search:focus{outline:2px solid var(--fg);outline-offset:-1px;border-color:#0000}main{max-width:960px;margin:0 auto;padding:0 24px 60px}#breadcrumb{color:var(--muted);flex-wrap:wrap;align-items:center;gap:2px;padding:14px 0 10px;font-size:13px;display:flex}.crumb{cursor:pointer;font:inherit;color:inherit;background:0 0;border:none;border-radius:4px;padding:2px 4px}.crumb:hover{color:var(--fg);background:var(--hover)}.crumb.active{color:var(--fg);cursor:default;font-weight:500}.crumb.active:hover{background:0 0}.sep{color:var(--border);-webkit-user-select:none;user-select:none;padding:0 2px}#action-bar{border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:10px 0;display:flex}.btn{border-radius:var(--radius);cursor:pointer;white-space:nowrap;align-items:center;gap:6px;height:32px;padding:0 12px;font-family:inherit;font-size:13px;transition:background .1s,border-color .1s;display:inline-flex}.btn svg{flex-shrink:0}.btn-primary{background:var(--primary);color:var(--primary-fg);border:none}.btn-primary:hover{background:#182543}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg);color:var(--fg);border:1px solid var(--border)}.btn-secondary:hover{background:var(--hover)}.btn-danger{background:var(--bg);color:var(--destructive);border:1px solid #f8d3d3}.btn-danger:hover{background:#fcfcfc;border-color:#f1a7a7}.btn-danger:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.icon-btn{border-radius:var(--radius);cursor:pointer;width:28px;height:28px;color:var(--muted);background:0 0;border:none;justify-content:center;align-items:center;padding:0;transition:background .1s,color .1s;display:inline-flex}.icon-btn:hover{background:var(--hover);color:var(--fg)}.icon-btn.danger:hover{color:var(--destructive);background:#fff0f0}#file-table{border-collapse:collapse;width:100%;font-size:13px}#file-table th{text-align:left;color:var(--muted);border-bottom:1px solid var(--border);white-space:nowrap;-webkit-user-select:none;user-select:none;padding:8px 12px;font-size:12px;font-weight:500}th.sortable{cursor:pointer}th.sortable:hover .th-sort{color:var(--fg)}.th-sort{font:inherit;color:inherit;cursor:pointer;background:0 0;border:none;padding:0}#file-table th:first-child{width:36px;padding:8px 0}#file-table th:last-child{width:80px}#file-table td{border-bottom:1px solid var(--border);vertical-align:middle;height:40px;padding:0 12px}#file-table td:first-child{text-align:center;width:36px;padding:0}#file-table td:last-child{text-align:right;width:80px}#file-table tbody tr:hover{background:var(--hover)}#file-table tbody tr.selected{background:#f1f5f9}.name-cell{cursor:pointer;width:100%;min-width:0;font:inherit;color:inherit;text-align:left;background:0 0;border:none;align-items:center;gap:8px;display:flex}.name-cell:hover .name-text{text-decoration:underline}.file-icon{color:var(--muted);flex-shrink:0;display:inline-flex}.folder-icon{color:#3d5da9}.name-text{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.muted-cell{color:var(--muted);white-space:nowrap;font-size:12px}.row-actions{justify-content:flex-end;gap:2px;display:flex}input[type=checkbox]{border:1px solid var(--border);cursor:pointer;width:15px;height:15px;accent-color:var(--primary);border-radius:4px}#status-bar{color:var(--muted);padding:10px 0;font-size:12px}#empty-state{text-align:center;color:var(--muted);padding:60px 0;font-size:13px}dialog{border:none;border-radius:8px;width:calc(100% - 48px);max-width:520px;margin:auto;padding:0;box-shadow:0 8px 32px #0000001f}dialog::backdrop{background:#0006}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px 12px;display:flex}.modal-title{font-size:15px;font-weight:600}.modal-body{padding:20px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:8px;padding:12px 20px 16px;display:flex}#drop-zone{border:2px dashed var(--border);text-align:center;cursor:default;background:#fbfcfd;border-radius:8px;padding:32px 24px;transition:border-color .15s,background .15s}#drop-zone.drag-over{border-color:var(--fg);background:#f4f7fa}#drop-zone p{color:var(--muted);margin-top:10px;font-size:13px}#drop-zone small{color:var(--border);font-size:12px}#drop-zone .zone-icon{color:var(--border);width:32px;margin:0 auto;display:block}.drop-btns{justify-content:center;gap:8px;margin-top:14px;display:flex}#upload-queue{flex-direction:column;gap:10px;max-height:220px;margin-top:16px;display:flex;overflow-y:auto}.upload-item{font-size:12px}.upload-item-header{color:var(--fg);justify-content:space-between;margin-bottom:4px;display:flex}.upload-item-header .pct{color:var(--muted)}.progress-track{background:var(--border);border-radius:9999px;height:3px;overflow:hidden}.progress-fill{background:var(--fg);border-radius:9999px;width:0%;height:100%;transition:width .1s}.upload-item.done .progress-fill{background:#21c45d;width:100%!important}.upload-item.error .progress-fill{background:var(--destructive)}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{font-size:13px;font-weight:500}.form-input{border:1px solid var(--border);border-radius:var(--radius);height:36px;color:var(--fg);background:var(--bg);padding:0 10px;font-family:inherit;font-size:13px}.form-input:focus{outline:2px solid var(--fg);outline-offset:-1px;border-color:#0000}#preview-modal{width:calc(100% - 48px);max-width:800px}#preview-content{justify-content:center;align-items:center;min-height:200px;max-height:calc(80vh - 120px);padding:20px;display:flex;overflow:auto}#preview-content img{object-fit:contain;max-width:100%;max-height:65vh}#preview-content pre{white-space:pre-wrap;word-break:break-all;align-self:flex-start;width:100%;font-family:ui-monospace,monospace;font-size:12px}#preview-content iframe{border:none;width:100%;height:65vh}#preview-content .no-preview{color:var(--muted);font-size:13px}#preview-title{text-overflow:ellipsis;white-space:nowrap;max-width:400px;overflow:hidden}#toast{z-index:200;border-radius:var(--radius);background:var(--fg);color:var(--primary-fg);opacity:0;pointer-events:none;padding:10px 16px;font-size:13px;transition:opacity .2s,transform .2s;position:fixed;bottom:24px;right:24px;transform:translateY(8px);box-shadow:0 4px 12px #00000026}#toast.show{opacity:1;transform:translateY(0)}#toast.show.error{background:var(--destructive)}#confirm-modal{max-width:400px}#confirm-message{color:var(--fg);font-size:14px;line-height:1.6}#bucket-usage{color:var(--muted);white-space:nowrap;font-size:12px}#bucket-usage.warn{color:var(--destructive);font-weight:500}#auth-overlay{z-index:1000;background:var(--bg);justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}#auth-card{flex-direction:column;gap:14px;width:100%;max-width:320px;display:flex}#auth-card .logo{font-size:18px}#auth-card .auth-sub{color:var(--muted);font-size:12px}#auth-card .btn{justify-content:center}#auth-error{color:var(--destructive);min-height:16px;font-size:12px}@media (width<=768px){.col-size,.col-date{display:none}}@media (width<=480px){.btn-label{display:none}.btn{padding:0 8px}}