.btn-onair {
    background: #1b5e20;
    color: #e0ffe0;
    border: 1px solid #2e7d32;
    border-radius: 999px;
    padding: 6px 14px;
    cursor: pointer;
}

.btn-onair.onair-active {
    background: #b71c1c;
    border-color: #ff5252;
    color: #fff;
}

.onair-status {
    display: block;
    margin-top: 6px;
    font-size: 12px;
}

/* BOTÃO ON AIR */
.btn-onair {
    position: relative;
    overflow: hidden;
}
/* ===== ONAIR PROGRESS BAR ===== */
.btn-onair {
    position: relative;
    overflow: hidden;
}

.btn-onair .onair-bar {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 4px;
    width: 100%;
    background: rgba(255,255,255,0.2);
}

.btn-onair .onair-bar span {
    display: block;
    height: 100%;
    width: 0%;
    background: #ff3333;
    transition: width 1s linear;
}

.btn-onair.onair-active {
    background: #400;
    color: #fff;
}