.tn-vh-panel{right:0;top:env(safe-area-inset-top);width:var(--ln-agent-panel-width);background:var(--ln-bg);border-left:1px solid var(--ln-border);box-shadow:var(--ln-shadow-md);z-index:50;font-family:var(--ln-font-sans);color:var(--ln-text);flex-direction:column;display:flex;position:fixed;bottom:0}@media (width<=719px){.tn-vh-panel{border-left:none;width:100%}}.tn-vh-panel__header{border-bottom:1px solid var(--ln-border-subtle);background:var(--ln-bg);align-items:center;gap:8px;padding:10px 12px 10px 52px;display:flex;position:relative}.tn-vh-panel__header-icon{color:var(--ln-text-muted);position:absolute;top:50%;left:14px;transform:translateY(-50%)}.tn-vh-panel__title{color:var(--ln-text);flex:1;margin:0;font-size:14px;font-weight:600}.tn-vh-panel__icon-btn{cursor:pointer;width:32px;height:32px;color:var(--ln-text-muted);transition:background var(--ln-duration-fast) var(--ln-easing), color var(--ln-duration-fast) var(--ln-easing), border-color var(--ln-duration-fast) var(--ln-easing);background:0 0;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;padding:0;display:inline-flex}.tn-vh-panel__icon-btn:hover{border-color:var(--ln-border);background:var(--ln-bg-pressed);color:var(--ln-text)}.tn-vh-panel__body{flex:1;padding:12px;overflow-y:auto}.tn-vh-panel__empty{color:var(--ln-text-muted);text-align:center;margin:16px 0;font-size:13px}.tn-vh-panel__list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.tn-vh-panel__item{flex-direction:column;display:flex}.tn-vh-panel__row{border:1px solid var(--ln-border-subtle);text-align:left;cursor:pointer;color:var(--ln-text);font:inherit;-webkit-user-select:none;user-select:none;width:100%;transition:background var(--ln-duration-fast) var(--ln-easing), border-color var(--ln-duration-fast) var(--ln-easing);background:0 0;border-radius:8px;flex-direction:column;gap:4px;padding:10px 12px;display:flex}.tn-vh-panel__row:hover{background:var(--ln-bg-pressed);border-color:var(--ln-border)}.tn-vh-panel__row--selected{border-color:var(--ln-accent);background:var(--ln-bg-pressed)}.tn-vh-panel__row-meta{align-items:center;gap:8px;display:flex}.tn-vh-panel__row-time{color:var(--ln-text-muted);white-space:nowrap;font-size:11.5px}.tn-vh-panel__row-current{letter-spacing:.04em;text-transform:uppercase;color:var(--ln-accent);border:1px solid var(--ln-accent);border-radius:999px;margin-left:auto;padding:2px 6px;font-size:10px;font-weight:600}.tn-vh-panel__row-title{color:var(--ln-text);white-space:nowrap;text-overflow:ellipsis;font-size:13.5px;font-weight:600;overflow:hidden}.tn-vh-panel__row-title--untitled{color:var(--ln-text-muted);font-style:italic;font-weight:500}.tn-vh-panel__row-preview{color:var(--ln-text-muted);-webkit-line-clamp:2;white-space:pre-line;-webkit-box-orient:vertical;font-size:12px;line-height:1.4;display:-webkit-box;overflow:hidden}.tn-vh-panel__badge{border:1px solid var(--ln-border);background:var(--ln-bg);color:var(--ln-text-muted);white-space:nowrap;border-radius:999px;align-items:center;gap:3px;padding:2px 6px;font-size:10.5px;font-weight:500;display:inline-flex}.tn-vh-panel__badge--sage{color:var(--ln-accent);border-color:var(--ln-accent)}.tn-vh-panel__preview{border:1px solid var(--ln-border-subtle);background:var(--ln-bg-subtle,var(--ln-bg));border-radius:6px;flex-direction:column;gap:8px;margin-top:4px;padding:10px 12px;display:flex}.tn-vh-panel__preview-title{color:var(--ln-text);font-size:13px;font-weight:600}.tn-vh-panel__preview-body{font-family:var(--ln-font-mono,monospace);color:var(--ln-text);white-space:pre-wrap;max-height:240px;margin:0;font-size:12px;overflow-y:auto}.tn-vh-panel__current-note{color:var(--ln-text-muted);margin:0;font-size:12px}@media (width>=720px){html[data-version-history-open] body{padding-right:var(--ln-agent-panel-width);transition:padding-right var(--ln-duration-base) var(--ln-easing)}}