.nas-shell{display:flex;height:100%;min-height:0;flex-direction:column;overflow:hidden;padding:24px;background:var(--bg-primary)}
.nas-header{display:flex;flex:0 0 auto;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:14px}.nas-heading{min-width:0}.nas-eyebrow{display:block;margin-bottom:4px;color:var(--accent);font-size:10px;font-weight:800;letter-spacing:.12em}.nas-header h2{margin:0 0 4px;font-size:22px}.nas-header p{overflow:hidden;margin:0;color:var(--text-muted);font-size:13px;text-overflow:ellipsis;white-space:nowrap}.nas-actions{display:flex;gap:8px}.nas-actions button,.nas-upload{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:9px;background:var(--bg-secondary);padding:8px 12px;font-size:13px;font-weight:650;cursor:pointer}.nas-upload{border-color:var(--accent);background:var(--accent);color:var(--text-on-card)}.nas-actions button:hover{background:var(--bg-primary)}
.nas-status{min-height:20px;flex:0 0 auto;color:var(--text-muted);font-size:13px}.nas-status.error{color:var(--status-error)}
.nas-browser{display:grid;min-height:0;flex:1;grid-template-columns:minmax(220px,280px) minmax(0,1fr);overflow:hidden;border:1px solid var(--border);border-radius:14px;background:var(--bg-secondary);box-shadow:var(--shadow-sm)}.nas-folder-pane{display:flex;min-height:0;flex-direction:column;border-right:1px solid var(--border);background:color-mix(in srgb,var(--bg-secondary) 88%,var(--bg-primary));padding:14px 10px}.nas-pane-title{display:flex;flex:0 0 auto;align-items:center;justify-content:space-between;padding:0 10px 10px;color:var(--text-primary);font-size:12px;font-weight:750}.nas-pane-caption{color:var(--text-muted);font-size:10px;font-weight:500}.nas-folders{display:flex;min-height:0;flex:1;flex-direction:column;gap:3px;padding-right:4px}.nas-folder{width:100%;overflow:hidden;border:0;border-radius:8px;background:transparent;padding:9px 10px;color:var(--text-primary);text-align:left;text-overflow:ellipsis;white-space:nowrap;cursor:pointer}.nas-folder:hover{background:var(--bg-primary)}.nas-folder.active{background:var(--accent-light);color:var(--accent);font-weight:700}
.nas-scroll-area{overflow:auto;scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--text-muted) 42%,transparent) transparent}.nas-scroll-area::-webkit-scrollbar{width:8px;height:8px}.nas-scroll-area::-webkit-scrollbar-thumb{border:2px solid transparent;border-radius:99px;background:color-mix(in srgb,var(--text-muted) 42%,transparent);background-clip:padding-box}.nas-scroll-area:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.nas-content-pane{display:flex;min-width:0;min-height:0;flex-direction:column;padding:14px;background:var(--bg-primary)}.nas-breadcrumb{display:flex;flex:0 0 auto;flex-wrap:wrap;gap:4px;margin:8px 0 12px}.nas-breadcrumb button{border:0;background:transparent;color:var(--accent);cursor:pointer}.nas-drop-zone{position:relative;display:flex;min-height:0;flex:1;flex-direction:column;border-radius:10px}.nas-drop-zone.dragging{outline:2px dashed var(--accent);outline-offset:4px;background:color-mix(in srgb,var(--accent-light) 62%,transparent)}.nas-drop-hint{display:none;position:absolute;z-index:3;inset:0;align-items:center;justify-content:center;border-radius:10px;background:color-mix(in srgb,var(--bg-primary) 88%,transparent);color:var(--accent);font-size:15px;font-weight:700;pointer-events:none}.nas-drop-zone.dragging .nas-drop-hint{display:flex}.nas-files{min-height:0;flex:1;overflow:auto;border:1px solid var(--border);border-radius:10px}.nas-row{display:grid;width:100%;grid-template-columns:minmax(0,1fr) 100px 145px 48px;align-items:center;gap:10px;border:0;border-bottom:1px solid var(--border);background:transparent;padding:11px 14px;text-align:left}.nas-row:hover{background:var(--bg-secondary)}.nas-row:last-child{border-bottom:0}.nas-row-main{min-width:0;overflow:hidden;border:0;background:transparent;color:var(--text-primary);text-align:left;text-overflow:ellipsis;white-space:nowrap;cursor:pointer}.nas-row-meta{color:var(--text-muted);font-size:12px}.nas-delete{border:0;background:transparent;color:var(--text-muted);cursor:pointer}.nas-empty{padding:48px;text-align:center;color:var(--text-muted)}
.nas-upload-dialog[hidden]{display:none}.nas-upload-dialog{position:fixed;z-index:1000;inset:0;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--overlay-scrim-50)}.nas-upload-card{display:flex;width:min(560px,100%);max-height:min(720px,86vh);flex-direction:column;overflow:hidden;border:1px solid var(--border);border-radius:16px;background:var(--bg-primary);padding:20px;box-shadow:var(--shadow-card)}.nas-upload-card h3{margin:0 0 8px;font-size:19px}.nas-upload-target{margin:0 0 14px;color:var(--text-muted);font-size:13px}.nas-upload-queue{display:flex;min-height:0;max-height:48vh;flex-direction:column;gap:8px;padding-right:4px}.nas-upload-queue-row.attachment{display:grid;position:relative;grid-template-columns:42px minmax(0,1fr) 28px;align-items:center;gap:11px;border:1px solid var(--border);border-radius:11px;background:var(--bg-secondary);padding:10px 11px}.nas-upload-queue-row.error{border-color:var(--status-error-border);background:var(--status-error-soft)}.nas-upload-queue-row.done{border-color:color-mix(in srgb,var(--status-success) 35%,var(--border))}.nas-attachment-media{display:flex;width:42px;height:42px;align-items:center;justify-content:center;border-radius:9px;background:var(--bg-primary);font-size:19px}.nas-attachment-content{display:flex;min-width:0;flex-direction:column;gap:3px}.nas-attachment-title{overflow:hidden;font-size:13px;text-overflow:ellipsis;white-space:nowrap}.nas-attachment-description{color:var(--text-muted);font-size:11px}.nas-attachment-remove{width:28px;height:28px;border:0;border-radius:7px;background:transparent;color:var(--text-muted);font-size:19px;cursor:pointer}.nas-attachment-remove:hover{background:var(--bg-primary);color:var(--text-primary)}.nas-progress{display:block;width:100%;height:6px;overflow:hidden;border-radius:99px;background:color-mix(in srgb,var(--border) 70%,transparent)}.nas-progress-indicator{display:block;height:100%;border-radius:inherit;background:var(--accent);transition:width 120ms linear}.nas-upload-dialog-actions{display:flex;flex:0 0 auto;justify-content:flex-end;gap:8px;margin-top:18px}.nas-upload-dialog-actions button{border:1px solid var(--border);border-radius:9px;background:var(--bg-secondary);padding:9px 14px;cursor:pointer}.nas-upload-dialog-actions button.primary{border-color:var(--accent);background:var(--accent);color:var(--text-on-card)}.nas-upload-dialog-actions button:disabled{opacity:.55;cursor:wait}
@media(max-width:700px){.nas-shell{padding:16px}.nas-header{display:block}.nas-actions{margin-top:12px}.nas-browser{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}.nas-folder-pane{max-height:145px;border-right:0;border-bottom:1px solid var(--border);padding:12px 10px}.nas-folders{flex-direction:row;overflow-x:auto;padding-bottom:4px}.nas-folder{width:auto;max-width:190px;flex:0 0 auto}.nas-content-pane{padding:12px}.nas-row{grid-template-columns:minmax(0,1fr) 42px}.nas-row-meta{display:none}.nas-upload-card{max-height:90vh}}

/* NAS component primitives — shadcn interaction patterns adapted to the vanilla TS shell. */
.nas-folder{display:flex;align-items:center;gap:9px}.nas-folder-icon,.nas-file-icon{color:var(--accent);font-size:15px}.nas-row{grid-template-columns:minmax(0,1fr) 72px 90px 145px 42px}.nas-row-main{display:flex;align-items:center;gap:10px}.nas-more{width:32px;height:32px;border:0;border-radius:8px;background:transparent;color:var(--text-muted);font-size:20px;cursor:pointer}.nas-more:hover{background:var(--bg-secondary);color:var(--text-primary)}
.nas-badge{display:inline-flex;width:max-content;align-items:center;border:1px solid var(--border);border-radius:999px;background:var(--bg-secondary);padding:2px 7px;color:var(--text-muted);font-size:10px;font-weight:750;line-height:1.4}.nas-badge.folder{border-color:color-mix(in srgb,var(--accent) 30%,var(--border));background:var(--accent-light);color:var(--accent)}.nas-badge.success{border-color:color-mix(in srgb,var(--status-success) 30%,var(--border));background:var(--status-success-soft);color:var(--status-success)}.nas-badge.uploading{border-color:var(--status-warning-border);background:var(--status-warning-soft);color:var(--status-warning)}.nas-badge.error{border-color:var(--status-error-border);background:var(--status-error-soft);color:var(--status-error)}
.nas-skeleton-row{display:grid;grid-template-columns:minmax(0,1fr) 90px 145px;gap:14px;padding:14px;border-bottom:1px solid var(--border)}.nas-skeleton{display:block;height:12px;border-radius:6px;background:linear-gradient(90deg,var(--bg-secondary),color-mix(in srgb,var(--text-muted) 10%,var(--bg-secondary)),var(--bg-secondary));background-size:200% 100%;animation:nas-shimmer 1.35s infinite}.nas-skeleton-name{width:55%}.nas-skeleton-meta{width:100%}@keyframes nas-shimmer{to{background-position:-200% 0}}
.nas-empty{display:flex;min-height:260px;flex-direction:column;align-items:center;justify-content:center}.nas-empty>span{margin-bottom:10px;font-size:30px}.nas-empty strong{color:var(--text-primary);font-size:14px}.nas-empty p{margin:6px 0 0;font-size:12px}
.nas-upload-row{display:flex;flex-direction:column;gap:8px;border:1px solid var(--border);border-radius:11px;background:var(--bg-secondary);padding:11px}.nas-upload-row.error{border-color:var(--status-error-border);background:var(--status-error-soft)}.nas-upload-row.success{border-color:color-mix(in srgb,var(--status-success) 35%,var(--border))}.nas-upload-row-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.nas-upload-file-name{min-width:0;overflow:hidden;font-size:13px;font-weight:650;text-overflow:ellipsis;white-space:nowrap}.nas-upload-file-meta{color:var(--text-muted);font-size:11px}.nas-progress{height:7px}.nas-progress-indicator{display:block}.nas-upload-row.error .nas-progress-indicator{background:var(--status-error)}.nas-upload-row.success .nas-progress-indicator{background:var(--status-success)}
.nas-delete-card{width:min(420px,100%)}.nas-dialog-icon{display:flex;width:34px;height:34px;align-items:center;justify-content:center;margin-bottom:12px;border-radius:999px;font-weight:800}.nas-dialog-icon.danger{background:var(--status-error-soft);color:var(--status-error)}.nas-upload-dialog-actions button.danger{border-color:var(--status-error);background:var(--status-error);color:var(--text-on-card)}
@media(max-width:700px){.nas-row{grid-template-columns:minmax(0,1fr) 58px 38px}.nas-row-meta{display:none}.nas-skeleton-row{grid-template-columns:minmax(0,1fr) 70px}.nas-skeleton-row :last-child{display:none}}