.social-icons a {
    color: #ffffff;
}

.social-icons a:hover {
    opacity: 0.8;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-group input {
    flex: 1;
}

.circle-btn {
    flex: 0 0 45px;
    width: 45px;
    height: 45px;
    padding: 0;
    display: none;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: none;
}

.circle-btn svg {
    width: 24px;
    height: 24px;
    display: block;
}

.circle-btn path {
    stroke: #212121;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.submit-btn {
    position: relative;
}

.submit-btn .btn-spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(33,33,33,0.25);
    border-top-color: #212121;
    border-radius: 50%;
    animation: btnspin 0.8s linear infinite;
}

.submit-btn.is-loading svg {
    display: none;
}

.submit-btn.is-loading .btn-spinner {
    display: inline-block;
}

.submit-btn.is-loading {
    pointer-events: none;
    opacity: 0.85;
}

@keyframes btnspin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}