.kj-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.kj-error-box {
    background: #fee2e2;
    color: #991b1b;
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 15px;
    font-weight: 600;
    text-align: center;
}
.kj-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid #ffffff;
    border-top: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    display: inline-block;
    animation: kj-spin 0.6s linear infinite;
    vertical-align: middle;
    margin-right: 8px;
}

@keyframes kj-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.kj-success-box {
    background: #ecfdf5;
    color: #065f46;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}
#kj-confirm-schedule {
    margin-top: 24px;
}