.tb050f-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
  min-height: 100vh;
  box-sizing: border-box;
}

.tb050f-card {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  max-width: 400px;
  width: 100%;
  margin-bottom: 20px;
}

.tb050f-title {
  text-align: center;
  font-size: 1.5em;
  margin-bottom: 20px;
}

.tb050f-form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 15px;
}

.tb050f-form-group label {
  font-weight: bold;
  margin-bottom: 5px;
}

.tb050f-form-group select,
.tb050f-form-group input {
  padding: 8px 10px;
  font-size: 1em;
  border-radius: 6px;
  border: 1px solid #ccc;
}

#tb050f-submit,
#tb050f-password-submit {
  background: #111;
  color: #fff;
  padding: 10px 0;
  border: none;
  width: 100%;
  font-size: 1em;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 10px;
}

.tb050f-result {
  margin-top: 20px;
  background: #fafafa;
  padding: 15px;
  border-radius: 8px;
  border: 1px solid #ddd;
  font-size: 1em;
  line-height: 1.6;
}

.tb050f-footer {
  margin-top: auto;
  font-size: 0.9em;
  color: #888;
  text-align: center;
}

.tb050f-hidden {
  display: none;
}

@media (max-width: 500px) {
  .tb050f-card {
    padding: 20px;
  }

  .tb050f-title {
    font-size: 1.2em;
  }
}