form {
  --border-color: var(--light-gray);
  --border-radius: 4px;
  --input-padding: 0.5rem 0.75rem;
  --input-border: 1px solid var(--gray-300);
  --button-padding: 0.25rem 0.75rem;

  & label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
    margin-top: 1rem;
    & input,
    & select {
      margin-top: 0.3rem;
    }
  }

  .hint {
    font-size: 0.75rem;
    color: var(--gray-500);
  }

  & input[type="email"],
  & input[type="text"],
  & input[type="datetime-local"],
  & input[type="number"],
  & input[type="password"],
  & textarea {
    border: var(--input-border);
    border-radius: var(--border-radius);
    padding: var(--input-padding);
    width: 100%;
  }

  & textarea {
    resize: vertical;
  }

  & input[type="email"]:focus,
  & input[type="text"]:focus,
  & input[type="datetime-local"]:focus,
  & input[type="password"]:focus,
  & textarea:focus {
    color: #495057;
    background-color: #fff;
    border-color: #92c3fd;
    outline: 0;
    box-shadow: 0 0 0 0.1rem rgba(21, 125, 251, 0.25);
  }

  & .url-field {
    align-items: center;
    border: var(--input-border);
    border-radius: var(--border-radius);
    display: flex;
    margin-top: 0.3rem;
    & span {
      align-items: center;
      margin-left: 0.75rem;
      opacity: 0.5;
      white-space: nowrap;
    }
    & input[type="text"] {
      border: none;
      padding: 0.5rem 0.75rem 0.5rem 2px;
      margin: 0;
    }
    & input[type="text"]:focus {
      box-shadow: none;
    }
  }
  & .url-field:focus-within {
    box-shadow: 0 0 0 0.1rem rgba(21, 125, 251, 0.25);
  }

  & .color-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    box-sizing: border-box;
    & > div {
      align-items: center;
      display: flex;
      flex-wrap: wrap;
      gap: 4px;
    }

    & .text-field-wrapper {
      position: relative;
    }

    & .fa-brush {
      background-color: var(--brush-background-color, transparent);
      border-radius: 4px;
      color: var(--brush-color, var(--light-gray));
      padding: 3px 1px;
    }

    & .hint {
      font-size: 0.875rem;
    }

    & .swatch {
      cursor: pointer;
      &.selected {
        outline: 4px solid var(--medium-blue);
      }
    }

    & input[type="text"] {
      width: 7em;
    }
    & input[type="color"] {
      background-color: var(--light-gray);
      border: 1px solid var(--light-gray);
      border-radius: var(--border-radius);
      cursor: pointer;
      display: block;
      height: 42px;
      margin: 0;
      padding: 0;
      width: 42px;
      -webkit-appearance: none;
    }
    & input[type="color"]::-webkit-color-swatch-wrapper {
      padding: 0;
    }
    & input[type="color"]::-webkit-color-swatch {
      border: none;
    }
    & .invalid-hex {
      border-color: var(--danger-color);
    }
  }

  & .button-field {
    display: flex;
    & input[type="text"] {
      border-color: var(--success-border);
      border-radius: 4px 0 0 4px;
      border-right: none;
    }
    & input[type="text"]:focus {
      box-shadow: 0 0 0 0.1rem rgba(44, 178, 3, 0.25);
    }
    & input[type="submit"] {
      border-radius: 0 4px 4px 0;
      border-left: none;
    }
  }

  & select {
    display: block;
    border: var(--input-border);
    border-radius: var(--border-radius);
    padding: var(--input-padding);
    padding-right: 2rem;
    width: 100%;
    -moz-appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23000000%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat, repeat;
    background-position: right 0.7em top 50%, 0 0;
    background-size: 0.65em auto, 100%;
  }

  & fieldset {
    border: none;
    margin: 1rem 0;
    padding: 0;
  }

  & legend {
    font-weight: bold;
    padding: 0;
  }

  & .radio-buttons {
    & label {
      display: inline-block;
    }
  }

  & footer {
    align-items: center;
    justify-content: flex-end;
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
    padding: 1rem 0;

    .checkbox {
      margin: 0;
    }

    & a {
      color: var(--link-color);
      display: block;
      padding: var(--button-padding);
      text-decoration: none;
      &:hover {
        color: var(--link-color-hover);
        text-decoration: underline;
      }
    }
  }
  & input[type="submit"] {
    background-color: var(--success-color);
    border: 1px solid var(--success-border);
    border-radius: var(--border-radius);
    color: var(--success-text);
    cursor: pointer;
    display: block;
    padding: var(--button-padding);
    width: auto;
    &:hover {
      background-color: var(--success-color-hover);
      border-color: var(--success-border-hover);
    }
    &.plain {
      background-color: inherit;
      color: inherit;
      border-color: var(--border-color);
      &:hover {
        background-color: var(--light-blue);
      }
    }
    &.danger {
      background-color: var(--danger-color);
      border-color: var(--danger-color);
      &:hover {
        background-color: var(--danger-color-hover);
        border-color: var(--danger-color-hover);
      }
    }
  }
}