/* See ./l-form-input.md for design notes and rationale. */

.l-form-input {
  --l-form-input-bg: var(--ll-color-bg-default);
  --l-form-input-text: var(--ll-color-text-primary);
  --l-form-input-placeholder: var(--ll-color-text-muted);
  --l-form-input-border-color: var(--ll-color-border-default);
  --l-form-input-border-color-focus: var(--ll-color-border-focus);
  --l-form-input-border-color-invalid: var(--ll-color-border-invalid);
  --l-form-input-border-color-disabled: var(--ll-color-border-tertiary);
  --l-form-input-bg-disabled: var(--ll-color-bg-disabled);
  --l-form-input-border-width: var(--ll-border-width-xs);
  --l-form-input-padding-block: var(--ll-space-4);
  --l-form-input-padding-inline: var(--ll-space-7);
  --l-form-input-block-size: 54px;
  --l-form-input-radius: var(--ll-radius-pill);
  --l-form-input-label-gap: var(--ll-space-3);
  --l-form-input-trailing-icon-size: 20px;
  --l-form-input-trailing-icon-gap: var(--ll-space-3);
  --l-form-input-transition-duration: var(--ll-motion-hover-duration);
  --l-form-input-transition-easing: var(--ll-motion-hover-easing);

  display: inline-flex;
  flex-direction: column;
  gap: var(--l-form-input-label-gap);
  inline-size: 100%;
  max-inline-size: 480px;
}

.l-form-input .l-form-input__label {
  font-family: var(--ll-text-body-base-family);
  font-size: var(--ll-text-body-base-size);
  line-height: var(--ll-text-body-base-line-height);
  font-weight: var(--ll-text-body-base-weight-emphasis);
  color: var(--ll-color-text-primary);
}

.l-form-input .l-form-input__control {
  position: relative;
  display: flex;
  align-items: center;
  inline-size: 100%;
}

.l-form-input .l-form-input__field {
  display: inline-flex;
  align-items: center;
  inline-size: 100%;
  block-size: var(--l-form-input-block-size);
  box-sizing: border-box;
  background-color: var(--l-form-input-bg);
  color: var(--l-form-input-text);
  border: var(--l-form-input-border-width) solid var(--l-form-input-border-color);
  border-radius: var(--l-form-input-radius);
  padding-block: var(--l-form-input-padding-block);
  padding-inline: var(--l-form-input-padding-inline);
  font-family: var(--ll-text-body-lg-family);
  font-size: var(--ll-text-body-lg-size);
  line-height: var(--ll-text-body-lg-line-height);
  font-weight: var(--ll-text-body-lg-weight);
  appearance: none;
  outline: none;
  transition: border-color var(--l-form-input-transition-duration) var(--l-form-input-transition-easing);
}

.l-form-input .l-form-input__field::placeholder {
  color: var(--l-form-input-placeholder);
  opacity: 1;
}

.l-form-input--size-md {
  --l-form-input-block-size: 40px;
  --l-form-input-padding-block: var(--ll-space-3);
  --l-form-input-padding-inline: var(--ll-space-3);
}

.l-form-input--size-md .l-form-input__field {
  font-family: var(--ll-text-body-sm-family);
  font-size: var(--ll-text-body-sm-size);
  line-height: var(--ll-text-body-sm-line-height);
  font-weight: var(--ll-text-body-sm-weight);
}

.l-form-input--shape-rounded {
  --l-form-input-radius: var(--ll-radius-md);
}

.l-form-input--shape-square {
  --l-form-input-radius: var(--ll-radius-s);
}

.l-form-input .l-form-input__field:focus-visible {
  --l-form-input-border-color: var(--l-form-input-border-color-focus);

  outline: var(--ll-border-width-strong) solid var(--ll-color-focus-ring);
  outline-offset: var(--ll-space-2);
}

.l-form-input .l-form-input__field[aria-invalid="true"] {
  --l-form-input-border-color: var(--l-form-input-border-color-invalid);
}

.l-form-input .l-form-input__field:disabled {
  --l-form-input-bg: var(--l-form-input-bg-disabled);
  --l-form-input-border-color: var(--l-form-input-border-color-disabled);

  cursor: not-allowed;
  opacity: 0.7;
}

/* WEBEXP-109963: mute placeholder color on <select> disabled placeholder
 * option. ::placeholder does not apply to <select>; see ./l-form-input.md
 * § Select placeholder pattern. */
.l-form-input select.l-form-input__field option:disabled,
.l-form-input select.l-form-input__field:has(option:disabled:checked) {
  color: var(--l-form-input-placeholder);
}

.l-form-input .l-form-input__trailing-icon {
  position: absolute;
  inset-inline-end: var(--l-form-input-padding-inline);
  inset-block-start: 50%;
  inline-size: var(--l-form-input-trailing-icon-size);
  block-size: var(--l-form-input-trailing-icon-size);
  color: var(--ll-color-text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-50%);
  pointer-events: none;
}

.l-form-input .l-form-input__trailing-icon > svg,
.l-form-input .l-form-input__trailing-icon > img {
  inline-size: 100%;
  block-size: 100%;
  display: block;
}

.l-form-input .l-form-input__control:has(.l-form-input__trailing-icon) .l-form-input__field {
  padding-inline-end: calc(
    var(--l-form-input-padding-inline)
    + var(--l-form-input-trailing-icon-size)
    + var(--l-form-input-trailing-icon-gap)
  );
}

@media (prefers-reduced-motion: reduce) {
  .l-form-input .l-form-input__field {
    transition-duration: 1ms;
  }
}