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.t-close{background:transparent;border:0;color:var(--text-muted);padding:0 2px}.toast .t-close:hover{color:var(--danger)}.toast.ok{background:#a6e3a124;border-color:var(--green, #a6e3a1)}.toast.ok .t-icon,.toast.ok .t-close:hover{color:var(--green, #a6e3a1)}.confirm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:95;background:#00000080;display:flex;align-items:center;justify-content:center}.confirm-card{width:min(420px,90vw);padding:16px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 10px 40px #00000080}.confirm-msg{font-size:13px;line-height:1.5;margin-bottom:14px;color:var(--text-primary)}.confirm-actions{display:flex;justify-content:flex-end;gap:8px}@media(max-width:1200px)and (min-width:980px){.shell-body{grid-template-columns:188px 1fr 250px}}@media(max-width:979px){.shell-body{grid-template-columns:1fr}.side-toggle,.backdrop{display:block}.col-left,.col-right{position:fixed;top:var(--toolbar-h);bottom:var(--statusbar-h);width:min(82vw,300px);z-index:30;transition:transform .2s ease;box-shadow:0 6px 24px #00000080}.col-left{left:0;transform:translate(-105%);border-right:0}.col-right{right:0;transform:translate(105%);border-left:0}.col-left.open,.col-right.open{transform:none}.toast{right:48px}}.viewer-loading{height:100%;display:grid;place-items:center;color:var(--text-muted);font-size:12px;background:var(--bg-tertiary)}.viewer-error{height:100%;display:grid;place-items:center;color:var(--danger);font-size:12px;background:var(--bg-tertiary);padding:12px;text-align:center}