.atc-root {
  display: flex;
  justify-content: center;
  padding: 20px;
}

.atc-card {
  width: 100%;
  max-width: 700px;
  background: linear-gradient(180deg, #f7f7f7, #ffffff);
  padding: 24px;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.atc-title {
  text-align: center;
  font-size: 28px;
  margin-bottom: 20px;
  color: #1a1a1a;
}

.atc-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 14px;
}

.atc-field {
  flex: 1 1 220px;
}

.atc-field label {
  font-size: 14px;
  margin-bottom: 6px;
  display: block;
}

.atc-field input,
.atc-field select {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 14px;
}

.atc-btn {
  display: inline-block;
  background: #0073aa;
  border: none;
  padding: 12px 18px;
  color: white;
  border-radius: 10px;
  cursor: pointer;
  font-weight: bold;
  margin-top: 10px;
}

.atc-results {
  display: none;
  background: white;
  padding: 16px;
  margin-top: 16px;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.05);
}

.atc-line {
  display: flex;
  justify-content: space-between;
  font-size: 16px;
  padding: 4px 0;
}

.atc-btn-copy {
  background: #25a18e;
  margin-top: 10px;
}

.atc-disclaimer {
  font-size: 12px;
  color: #555;
  margin-top: 12px;
  text-align: center;
}