/* ---------- Di chuyển ô & màu ---------- */
#ih{position:fixed;z-index:105;display:none;gap:2px;background:#fff;border:1px solid var(--ui);border-radius:6px;padding:2px;box-shadow:0 3px 10px rgba(0,0,0,.15)}
#ih button{border:0;background:none;width:24px;height:22px;border-radius:4px;font-size:12px}
#ih button:hover{background:var(--ui-soft)}
#ih .mv{cursor:grab}
.hl{outline:1.5px dashed var(--ui)!important;outline-offset:2px}
.moving{outline:2px solid var(--ui)!important;outline-offset:2px;opacity:.75}
body.dragging-item,body.dragging-item *{cursor:grabbing!important;user-select:none}
#cp{position:fixed;z-index:115;display:none;width:236px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px;box-shadow:0 10px 30px rgba(0,0,0,.18);font-size:12.5px}
#cp h4{font-size:13px;margin-bottom:8px}
#cp .r{display:flex;align-items:center;justify-content:space-between;margin:6px 0}
#cp input[type=color]{width:46px;height:28px;border:1px solid var(--line);border-radius:5px;padding:1px;background:#fff;cursor:pointer}
#cp .sw{display:grid;grid-template-columns:repeat(8,1fr);gap:4px;margin:4px 0 10px}
#cp .sw button{height:20px;border-radius:4px;border:1px solid rgba(0,0,0,.12)}
#cp .act{display:flex;gap:6px;margin-top:10px}
#cp .act button{flex:1;border:1px solid var(--line);background:#fff;border-radius:6px;padding:5px;font-size:12px}
#cp .act button:hover{border-color:var(--ui);background:var(--ui-soft)}
body.shot #ih,body.shot #cp{display:none!important}
.tools button:disabled{opacity:.4;cursor:default;background:#fff;border-color:var(--line)}
.tools button span{font-size:11px;color:var(--muted)}