.birthday-fields { display: grid; grid-template-columns: 2fr 1fr; gap: 0.75rem; max-width: 22rem; margin: 0 auto 1rem; text-align: left; }
.birthday-fields select {
    width: 100%;
    padding: 0.6rem 0.85rem;
    font-size: 0.95rem;
    font-family: inherit;
    border: 1.5px solid #e0e0e0;
    border-radius: 8px;
    background: #fff;
    color: #1a1a1a;
    outline: none;
    transition: border-color 0.15s;
}
.birthday-fields select:focus { border-color: #999; }
.birthday-fields .field-group { margin-bottom: 0; }

.bd-copy-row { display: flex; justify-content: center; margin: -0.75rem 0 1.75rem; }
.bd-copy-row[hidden] { display: none; }
.bd-copy {
    background: none;
    border: 1.5px solid #e0e0e0;
    border-radius: 6px;
    padding: 0.3rem 0.75rem;
    font-size: 0.75rem;
    font-family: inherit;
    color: #999;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}
.bd-copy:hover { border-color: #bbb; color: #555; }