/*
 * SPDX-FileCopyrightText: 2026-present Tobias Kunze
 * SPDX-License-Identifier: Apache-2.0
 */

.file-input {
  --file-input-padding-y: 0.375rem;
  position: relative;
  display: flex;
  width: 100%;
  min-width: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--size-border-radius);
  transition:
    border-color 0.15s ease-in-out,
    box-shadow 0.15s ease-in-out;

  & > input[type="file"] {
    position: absolute;
    inset: 0;
    padding: 0;
    margin: 0;
    opacity: 0;
    cursor: pointer;

    /* Make sure to win over input:disabled in forms/base.css */
    &:disabled {
      opacity: 0;
      cursor: not-allowed;
    }
  }

  &:has(> input[type="file"]:hover:not(:disabled)) {
    border-color: var(--color-text-softest);
    .file-input-button {
      background: var(--color-bg-softest);
      color: var(--color-text);
    }
  }
  &:has(> input[type="file"]:focus) {
    border-color: var(--color-primary-soft);
  }
  &:has(> input[type="file"]:focus-visible) {
    outline: var(--outline-focus);
    outline-offset: 0;
    box-shadow: var(--shadow-focus-halo);
  }
  &:has(> input[type="file"][aria-invalid]) {
    border-color: var(--color-danger);
  }
  &:has(> input[type="file"]:disabled) {
    background: var(--color-bg-softer);
    .file-input-button,
    .file-input-filename {
      opacity: 0.65;
    }
  }
}

.file-input-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  padding: var(--file-input-padding-y) 0.75rem;
  background: var(--color-bg-softer);
  color: var(--color-text-soft);
  border: 0;
  border-inline-end: 1px solid var(--color-border);
  border-radius: 0;
  border-start-start-radius: calc(var(--size-border-radius) - 1px);
  border-end-start-radius: calc(var(--size-border-radius) - 1px);
  transition:
    color 0.15s ease-in-out,
    background-color 0.15s ease-in-out;

  .fa {
    color: var(--color-text-softer);
  }
}

.file-input-filename {
  flex: 1 1 auto;
  min-width: 0;
  align-self: center;
  padding: 0 0.75rem;
  color: var(--color-text-softer);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  unicode-bidi: plaintext;

  &.has-file {
    color: var(--color-text);
  }
}

.file-input-current {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  min-width: 0;
  padding: 0 0.75rem;

  .fa {
    color: var(--color-text-softer);
  }
  a {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    unicode-bidi: plaintext;
  }
  & ~ .file-input-filename {
    padding-inline-start: 0;
  }
}

.file-input-clear {
  position: relative;
  z-index: 1;
  display: flex;
  flex-shrink: 0;
  margin-inline-start: auto;

  & > input[type="checkbox"] {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: 0;
    opacity: 0;
    pointer-events: none;
  }

  & > input[type="checkbox"] + label {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    margin: 0;
    padding: var(--file-input-padding-y) 0.75rem;
    font-family: var(--font-family-title);
    font-size: inherit;
    font-weight: 600;
    text-align: start;
    color: var(--color-danger-text);
    border-inline-start: 1px solid var(--color-border);
    border-start-end-radius: calc(var(--size-border-radius) - 1px);
    border-end-end-radius: calc(var(--size-border-radius) - 1px);
    cursor: pointer;
    transition:
      color 0.15s ease-in-out,
      background-color 0.15s ease-in-out;

    &:hover {
      background: var(--color-danger-softest);
    }
  }
  .file-input-clear-remove,
  .file-input-clear-undo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
  }
  .file-input-clear-undo {
    display: none;
  }

  &:has(> input:focus-visible) > label {
    outline: var(--outline-focus);
    outline-offset: var(--outline-focus-offset-inset);
  }
  &:has(> input:disabled) > label {
    opacity: 0.65;
    cursor: not-allowed;
  }
  &:has(> input:checked) {
    & > label {
      color: var(--color-text-soft);
      background: var(--color-bg-softer);
      &:hover {
        background: var(--color-bg-softest);
        color: var(--color-text);
      }
    }
    .file-input-clear-remove {
      display: none;
    }
    .file-input-clear-undo {
      display: inline-flex;
    }
  }
}

.file-input:has(.file-input-clear > input:checked) .file-input-current,
.file-input:has(.file-input-filename.has-file) .file-input-current {
  color: var(--color-text-softer);
  text-decoration: line-through;
  a {
    color: inherit;
  }
}
.file-input:has(.file-input-filename.has-file) .file-input-current {
  flex-shrink: 100;
  min-width: 2.5rem;
}