/* 表单组件样式 */

.form-container {
  width: 100%;
  max-width: 25rem;
  margin: 0 auto;
  padding: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  min-height: var(--min-touch-target);
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-family: var(--font-primary);
  background-color: var(--bg-white);
  color: var(--text-dark);
  transition: all var(--transition-normal);
  box-sizing: border-box;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 123, 139, 0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--danger-color);
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.form-textarea {
  min-height: 6.25rem;
  resize: vertical;
}

.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: 40px;
  appearance: none;
}

.form-checkbox-group,
.form-radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-checkbox-item,
.form-radio-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  min-height: var(--min-touch-target);
}

.form-checkbox-item:hover,
.form-radio-item:hover {
  background-color: var(--bg-light);
}

.form-checkbox,
.form-radio {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-white);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
}

.form-radio {
  border-radius: 50%;
}

.form-checkbox:checked,
.form-radio:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.form-checkbox:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 0.75rem;
  font-weight: bold;
}

.form-radio:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0.5rem;
  height: 0.5rem;
  background-color: white;
  border-radius: 50%;
}

.form-error-message {
  color: var(--danger-color);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.form-success-message {
  color: var(--success-color);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.form-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.form-actions .game-btn {
  flex: 1;
}

/* 响应式调整 */
@media (max-width: 29.9375rem) {
  .form-container {
    padding: var(--spacing-sm);
  }

  .form-input,
  .form-select,
  .form-textarea {
    min-height: 3rem;
    padding: 0.875rem 1rem;
    font-size: var(--font-size-base);
  }

  .form-label {
    font-size: var(--font-size-base);
  }

  .form-checkbox,
  .form-radio {
    width: 1.5rem;
    height: 1.5rem;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .game-btn {
    width: 100%;
  }
}

@media (min-width: 30rem) and (max-width: 47.9375rem) {
  .form-container {
    max-width: 28.125rem;
  }
}

@media (min-width: 48rem) {
  .form-container {
    max-width: 31.25rem;
    padding: var(--spacing-lg);
  }

  .form-actions {
    justify-content: flex-end;
  }

  .form-actions .game-btn {
    flex: none;
    min-width: 7.5rem;
  }

  .form-checkbox-group.horizontal,
  .form-radio-group.horizontal {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }
}

@media (min-width: 64rem) {
  .form-container {
    max-width: 37.5rem;
  }

  .form-row {
    display: flex;
    gap: var(--spacing-md);
  }

  .form-row .form-group {
    flex: 1;
  }
}