.fpc-badge {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    background: #28a745;
    color: white !important;
    padding: 0.25em 32px; /* پدینگ متعادل */
    font-size: 14px;
    border-radius: 10px;
    z-index: 10;
    cursor: pointer;
    border: none;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    box-shadow: 0 4px 13px rgba(40, 167, 69, 0.3);
    transition: all 0.3s ease;
    display: inline-flex; /* برای مرکز چین بهتر */
    align-items: center;
    justify-content: center;
    overflow: hidden;
    animation: pulse 2.2s ease-in-out infinite, glow 1.8s infinite;
    line-height: 1.2;
    text-align: center;
}

/* افکت هاور */
.fpc-badge:hover {
    transform: translate(-50%, -50%) scale(1.05);
    background: #218838;
    box-shadow: 0 8px 25px rgba(33, 136, 56, 0.5);
}

/* افکت کلیک */
.fpc-badge:active {
    transform: translate(-50%, -50%) scale(0.98);
}

/* انیمیشن عقب جلو */
@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.07); }
    100% { transform: translate(-50%, -50%) scale(1); }
}

/* انیمیشن درخشش */
@keyframes glow {
    0% {
        box-shadow: 0 0 0 rgba(40, 167, 69, 0.0), 0 0 10px rgba(40, 167, 69, 0.2);
    }
    50% {
        box-shadow: 0 0 25px rgba(40, 167, 69, 0.8), 0 0 40px rgba(40, 167, 69, 0.4);
    }
    100% {
        box-shadow: 0 0 0 rgba(40, 167, 69, 0.0), 0 0 10px rgba(40, 167, 69, 0.2);
    }
}