/* MFA / PIN authorization dialog */
.op-auth-dialog[hidden] { display: none !important; }
.op-auth-dialog {
    position: fixed;
    inset: 0;
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.op-auth-dialog__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}
.op-auth-dialog__panel {
    position: relative;
    z-index: 1;
    width: min(420px, 92vw);
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    display: grid;
    gap: 10px;
}
.op-auth-dialog__panel h2 {
    margin: 0 0 4px;
    font-size: 18px;
}
.op-auth-dialog__summary {
    margin: 0;
    font-size: 13px;
    color: #555;
}
.op-auth-dialog__hint {
    margin: 0;
    font-size: 12px;
    color: #666;
    line-height: 1.4;
}
.op-auth-dialog__error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 13px;
}
.op-auth-dialog__actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 6px;
}