.flag-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    overflow: hidden;
    display: inline-block;
    box-shadow: 0 2px 6px rgb(0 0 0 / 0.2);
    cursor: pointer;
    position: relative;
    margin: 0 6px;
    transition: transform 0.2s ease;
}

.flag-btn:hover {
    transform: scale(1.2);
}

.flag-shine {
    position: absolute;
    top: 0;
    left: -50%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.5) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-20deg);
    animation: shine 2s infinite;
    pointer-events: none;
    border-radius: 50%;
}

@keyframes shine {
    0% {
        left: -50%;
    }
    100% {
        left: 150%;
    }
}