.ct-undo{position:fixed;z-index:270;bottom:calc(90px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:12px;max-width:calc(100vw - 24px);padding:12px 16px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}.ct-undo button{min-height:44px;text-decoration:underline}.ct-undo span{overflow-wrap:anywhere}#ct-photo-canvas{display:block;width:100%;height:auto;max-width:100%;margin:16px 0;touch-action:none;border:1px solid var(--line);border-radius:6px;background:#222}