.two-column-layout {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.left-column {
  flex: 1;
  min-width: 0;
}

.right-column {
  flex: 1;
  min-width: 0;
  position: sticky;
  top: 1rem;
}

@media (max-width: 768px) {
  .two-column-layout {
    flex-direction: column;
  }

  .right-column {
    position: static;
  }
}

#attendee-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field-error {
  display: none;
  color: var(--pico-del-color);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

#attendee-form input,
#attendee-form select {
  margin-bottom: 0;
}

.inline-field {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.inline-field label {
  margin: 0;
  white-space: nowrap;
}

.inline-field input {
  flex: 1;
}

#attendee-form label {
  margin-bottom: 0;
  margin-top: 0.5rem;
}

.extras-section {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--pico-card-background-color);
  border-radius: var(--pico-border-radius);
}

.extras-section h5 {
  margin-bottom: 0.75rem;
}

.extra-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.extra-item input[type="checkbox"] {
  margin: 0;
}

.extra-item label {
  margin: 0;
  cursor: pointer;
}

.extra-item select {
  margin: 0;
}

.add-ticket-btn {
  margin-top: 1rem;
  width: 100%;
}

#order-summary {
  min-height: 100px;
  padding: 1rem;
  background: var(--pico-card-background-color);
  border-radius: var(--pico-border-radius);
  margin-bottom: 1rem;
}

.empty-order {
  color: var(--pico-muted-color);
  text-align: center;
  margin: 0;
}

.order-item {
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background: var(--pico-background-color);
  border-radius: var(--pico-border-radius);
  border: 1px solid var(--pico-muted-border-color);
}

.order-item:last-child {
  margin-bottom: 0;
}

.order-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.25rem;
}

.order-item-details {
  font-size: 0.875rem;
  color: var(--pico-muted-color);
}

.remove-attendee {
  color: var(--pico-del-color);
  text-decoration-color: var(--pico-del-color);
  font-size: 0.75rem;
}

.total-section {
  text-align: right;
  padding: 1rem;
  background: var(--pico-card-background-color);
  border-radius: var(--pico-border-radius);
  margin-bottom: 1rem;
}

.total-section h3 {
  margin: 0;
}

#checkout-button {
  width: 100%;
}

#checkout-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}