.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px; /* Giảm từ 24px xuống 20px */
    height: 20px; /* Giảm từ 24px xuống 20px */
    padding: 0;
    margin: 0 1px; /* Giảm margin từ 2px xuống 1px */
    border: none;
    background-color: transparent;
    color: #858585;
    cursor: pointer;
    transition: color 0.15s ease, background-color 0.15s ease;
    border-radius: 2px;
    flex-shrink: 0; /* Không cho phép shrink */
}

.icon-button:hover {
    background-color: #2a2d2e;
    color: #cccccc;
}

.icon-button:active {
    background-color: #3e3e42;
    color: #ffffff;
}

.icon-button:focus {
    outline: none;
}

.icon-button.disabled,
.icon-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.icon-button span {
    display: inline-block;
    line-height: 1;
}