.em-toolbar{position:fixed;left:12px;top:12px;z-index:10000;display:flex;flex-direction:column;gap:8px;padding:8px;background:rgba(20,23,28,0.92);backdrop-filter:saturate(120%) blur(2px);border:1px solid rgba(255,255,255,0.08);border-radius:12px;box-shadow:0 6px 18px rgba(0,0,0,0.35);}
.em-toolbar h3{margin:0 0 6px 0;font:600 12px/1.2 system-ui,-apple-system,Segoe UI,Roboto,Arial;letter-spacing:.06em;text-transform:uppercase;color:#cfd8dc;opacity:.9;}
.em-toolbar-row{display:flex;gap:6px;}
.em-toolbar-btn{min-width:36px;min-height:36px;display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:10px;border:1px solid rgba(255,255,255,0.12);background:#1e232b;color:#e0e6ea;cursor:pointer;user-select:none;font:600 13px/1 system-ui,-apple-system,Segoe UI,Roboto,Arial;transition:transform .05s ease, background .15s ease, border-color .15s ease;box-shadow:inset 0 0 0 1px rgba(255,255,255,0.03);}
.em-toolbar-btn:hover{background:#242a33;}
.em-toolbar-btn:active{transform:translateY(1px);}
.em-toolbar-btn--active{border-color:#64b5f6;box-shadow:inset 0 0 0 1px #64b5f6;background:#263445;color:#e7f3ff;}
.em-toolbar-btn--disabled{opacity:.45;cursor:not-allowed;filter:grayscale(0.3);}
.em-toolbar .em-sep{height:1px;background:rgba(255,255,255,0.08);margin:4px 0;}