@layer components {
  :root {
    --form-input-height: 48px;
    --form-input-padding: 0 var(--space-4);
    --form-input-radius: 10px;
    --form-input-border: 1px solid var(--color-border);
    --form-input-bg: var(--color-surface);
    --form-input-text: var(--color-text-primary);
    --form-input-placeholder: var(--color-text-muted);
    --form-input-focus-border: var(--color-accent);
    --form-input-focus-ring: 0 0 0 3px var(--color-accent-muted);
    --form-label-gap: var(--space-2);
    --form-error-color: var(--color-error);
    --form-transition: 200ms ease;
  }

  .form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
  }

  .form__group {
    display: flex;
    flex-direction: column;
    gap: var(--form-label-gap);
  }

  .form__label {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-primary);
  }

  .form__input,
  .form__textarea,
  .form__select {
    width: 100%;
    height: var(--form-input-height);
    padding: var(--form-input-padding);
    font-family: var(--font-ui);
    font-size: var(--text-base);
    line-height: 1.5;
    color: var(--form-input-text);
    background: var(--form-input-bg);
    border: var(--form-input-border);
    border-radius: var(--form-input-radius);
    transition:
      border-color var(--form-transition),
      box-shadow var(--form-transition),
      background-color var(--form-transition);
  }

  .form__input::placeholder,
  .form__textarea::placeholder {
    color: var(--form-input-placeholder);
  }

  .form__input:hover:not(:disabled):not([readonly]),
  .form__textarea:hover:not(:disabled):not([readonly]),
  .form__select:hover:not(:disabled) {
    border-color: var(--color-border-hover);
  }

  .form__input:focus,
  .form__textarea:focus,
  .form__select:focus {
    outline: none;
    border-color: var(--form-input-focus-border);
    box-shadow: var(--form-input-focus-ring);
  }

  .form__input:disabled,
  .form__textarea:disabled,
  .form__select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--color-surface-muted);
  }

  .form__input[aria-invalid="true"],
  .form__textarea[aria-invalid="true"],
  .form__select[aria-invalid="true"] {
    border-color: var(--form-error-color);
  }

  .form__input[aria-invalid="true"]:focus,
  .form__textarea[aria-invalid="true"]:focus,
  .form__select[aria-invalid="true"]:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
  }

  .form__textarea {
    min-height: 120px;
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
    resize: vertical;
    line-height: var(--leading-relaxed);
  }

  .form__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b6b6b' stroke-width='1.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 20px;
    padding-right: var(--space-10);
  }

  .form__error {
    display: flex;
    align-items: center;
    gap: var(--space-1-5);
    font-size: var(--text-sm);
    color: var(--form-error-color);
  }

  .form__error::before {
    content: '';
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23dc2626' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='12' y1='8' x2='12' y2='12'/%3E%3Cline x1='12' y1='16' x2='12.01' y2='16'/%3E%3C/svg%3E");
    background-size: contain;
  }

  .form__hint {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
  }

  .form__checkbox-group,
  .form__radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .form__checkbox-label,
  .form__radio-label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    cursor: pointer;
  }

  .form__checkbox,
  .form__radio {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    appearance: none;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    background: var(--form-input-bg);
    transition: all var(--form-transition);
    position: relative;
  }

  .form__radio {
    border-radius: 50%;
  }

  .form__checkbox:checked,
  .form__radio:checked {
    border-color: var(--color-accent);
    background: var(--color-accent);
  }

  .form__checkbox:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 5px;
    height: 9px;
    border: solid var(--color-bg-primary);
    border-width: 0 2px 2px 0;
  }

  .form__radio:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-bg-primary);
  }

  .form__checkbox:focus-visible,
  .form__radio:focus-visible {
    outline: none;
    box-shadow: var(--form-input-focus-ring);
  }

  .form__checkbox-label span,
  .form__radio-label span {
    font-size: var(--text-base);
    color: var(--color-text-primary);
    line-height: var(--leading-relaxed);
  }

  @media (prefers-reduced-motion: reduce) {
    .form__input,
    .form__textarea,
    .form__select,
    .form__checkbox,
    .form__radio {
      transition: none;
    }
  }
}