.hidden {
  display: none;
}

.add-image-form.hidden {
  display: none;
}

/* empty-state styling */
.empty-message {
  text-align: center;
  color: #666;
  font-size: 1.2rem;
  margin: 2rem 0;
}

.add-image-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background-color: var(--color-panel);
  border-radius: 6px;
  padding: 1.5rem;
  max-width: 480px;
  width: 100%;
}

.add-image-form h2 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  color: var(--color-text);
  text-align: center;
}

.add-image-form input {
  width: 100%;
  padding: 0.75rem 1rem;
  margin-bottom: 0.25rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #f9f9f9;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.add-image-form label {
  display: block;
  font-weight: 600;
  color: #333;
}

.add-image-form .submit-btn {
  align-self: start;
  padding: 0.5rem 1.5rem;
}

.main-gallery.empty {
  display: none;
}

.row.add-image-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}
.modal.hidden {
  display: none;
}

.modal-content {
  border: 1px solid var(--color-border);
  background: var(--color-panel);
  border-radius: 8px;
  max-width: 480px;
  width: 90%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}