body {
    background-color: #b0f4f4;
}
.card {
    border-radius: 12px;
}
.status-bar {
    display: inline-flex;
    width: auto;
    flex: none;
    margin: 0;
    padding: 0.5rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    min-height: 2rem;
}
.status-bar.info {
    color: #0f4f7d;
    background-color: #dceeff;
}
.status-bar.success {
    color: #1d6f2e;
    background-color: #dff6dc;
}
.status-bar.error {
    color: #8b1f24;
    background-color: #ffe7e9;
}
.sms-item {
    border-bottom: 1px solid #d0f290;
    padding: 10px 0;
}
.sms-item:last-child {
    border-bottom: none;
}
.sender {
    font-weight: 600;
}
.content {
    word-break: break-all;
}
.timestamp {
    font-size: 0.8rem;
    color: gray;
}
.refresh-btn {
    flex: none;
    margin: 0;
    padding: 0.5rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    min-height: 2rem;
    color: white;
    background-color: #ea3b8a;
    border-color: #f652c8;
}
.refresh-btn:hover {
    color: #ea3b8a;
    background-color: white;
    border-color: #ea3b8a;
}
.auto-refresh {
    display: inline-flex;
    background-color: #4ef6cc;
    width: auto;
    flex: none;
    margin: 0;
    padding: 0.5rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.01em;
    min-height: 2rem;
}
.send-sms {
    font-size: 0.95rem;
    font-weight: 600;
}