.icon-btn{background:var(--color-bg);border:1px solid var(--color-border);border-radius:50%;color:var(--color-text);cursor:pointer;display:grid;height:2.25rem;line-height:1;padding:0;place-items:center;width:2.25rem;transition:border-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast)}.icon-btn:hover{border-color:color-mix(in srgb,var(--color-accent) 45%,var(--color-border));box-shadow:var(--shadow-sm)}.icon-btn:focus-visible{outline:none;box-shadow:var(--focus-ring)}