/* shadcn-html, MIT. Pinned to 0964e09e16034e39a244589d457a866171991f1d.
   Adaptation: component layer replaced with .tx-ui scope to isolate legacy styles. */
/* -- Button component ------------------------------------------ */

.tx-ui {
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font-sans);
    line-height: 1;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 150ms ease;
    outline: none;
    flex-shrink: 0;
    height: 2.25rem;
    padding: 0 1rem;
    background-color: var(--primary);
    color: var(--primary-foreground);

    & svg {
      pointer-events: none;
      flex-shrink: 0;

      &:not([class*="size-"]) { width: 1rem; height: 1rem; }
    }

    &:focus-visible {
      outline: 2px solid var(--ring);
      outline-offset: 2px;
    }

    &:disabled, &[aria-disabled="true"] {
      pointer-events: none;
      opacity: 0.5;
    }

    /* -- Variants -------------------------------------------- */
    &[data-variant="default"] {
      background-color: var(--primary);
      color: var(--primary-foreground);

      &:hover { opacity: 0.9; }
    }

    &[data-variant="secondary"] {
      background-color: var(--secondary);
      color: var(--secondary-foreground);

      &:hover { opacity: 0.8; }
    }

    &[data-variant="outline"] {
      background-color: var(--background);
      color: var(--foreground);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-xs);

      &:hover {
        background-color: var(--accent);
        color: var(--accent-foreground);
      }
    }

    &[data-variant="ghost"] {
      background-color: transparent;
      color: var(--foreground);
      border-color: transparent;

      &:hover {
        background-color: var(--accent);
        color: var(--accent-foreground);
      }
    }

    &[data-variant="destructive"] {
      background-color: var(--destructive);
      color: var(--destructive-foreground);

      &:hover { opacity: 0.9; }
    }

    &[data-variant="link"] {
      background-color: transparent;
      color: var(--primary);
      height: auto;
      padding: 0;
      text-underline-offset: 4px;

      &:hover { text-decoration: underline; }
    }

    /* -- Sizes ----------------------------------------------- */
    &[data-size="xs"]      { height: 1.75rem; padding: 0 0.5rem;  font-size: 0.75rem; border-radius: var(--radius-sm); }
    &[data-size="sm"]      { height: 2rem;    padding: 0 0.75rem; font-size: 0.8125rem; }
    &[data-size="lg"]      { height: 2.75rem; padding: 0 2rem;    font-size: 1rem; }
    &[data-size="icon"]    { height: 2.25rem; width: 2.25rem;  padding: 0; }
    &[data-size="icon-xs"] { height: 1.75rem; width: 1.75rem;  padding: 0; border-radius: var(--radius-sm); }
    &[data-size="icon-sm"] { height: 2rem;    width: 2rem;     padding: 0; }
    &[data-size="icon-lg"] { height: 2.75rem; width: 2.75rem;  padding: 0; }
  }

  /* -- Accessibility ------------------------------------------ */

  @media (prefers-reduced-motion: reduce) {
    .btn { transition: none; }
  }

  @media (prefers-contrast: more) {
    .btn {
      border: 2px solid transparent;

      &[data-variant="default"],
      &[data-variant="secondary"],
      &[data-variant="destructive"] {
        border-color: currentColor;
      }

      &[data-variant="outline"],
      &[data-variant="ghost"] {
        border-color: var(--foreground);
      }
    }
  }

  @media (forced-colors: active) {
    .btn {
      border: 1px solid ButtonText;

      &:disabled, &[aria-disabled="true"] {
        border-color: GrayText;
        color: GrayText;
      }
    }
  }
}

/* -- Textarea component ----------------------------------------- */

.tx-ui {
  .textarea {
    width: 100%;
    min-height: 5rem;
    border: 1px solid var(--input);
    border-radius: var(--radius-md);
    background: var(--background);
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-family: var(--font-sans);
    color: var(--foreground);
    outline: none;
    box-shadow: var(--shadow-xs);
    transition: border-color 150ms, box-shadow 150ms;
    resize: vertical;
    field-sizing: content;

    &:focus {
      border-color: var(--ring);
      box-shadow: 0 0 0 2px oklch(from var(--ring) l c h / 0.2);
    }

    &::placeholder { color: var(--muted-foreground); }

    &:disabled {
      opacity: 0.5;
      cursor: not-allowed;
      resize: none;
    }

    &:is([aria-invalid="true"], :user-invalid) {
      border-color: var(--destructive);

      &:focus {
        border-color: var(--destructive);
        box-shadow: 0 0 0 2px oklch(from var(--destructive) l c h / 0.2);
      }
    }
  }

  /* -- Accessibility ---------------------------------------- */
  @media (prefers-reduced-motion: reduce) {
    .textarea {
      transition: none;
    }
  }

  @media (prefers-contrast: more) {
    .textarea {
      border-width: 2px;
    }

    .textarea:disabled {
      opacity: 0.7;
    }
  }

  @media (forced-colors: active) {
    .textarea {
      border-color: ButtonBorder;
      color: ButtonText;
      background: Field;
    }

    .textarea:focus {
      outline: 2px solid Highlight;
      outline-offset: 1px;
    }

    .textarea:disabled {
      opacity: 1;
      color: GrayText;
      border-color: GrayText;
    }

    .textarea:is([aria-invalid="true"], :user-invalid) {
      border-color: LinkText;
    }
  }
}

.tx-ui {
  .progress {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: 100%;
    height: 0.5rem;
    border: none;
    border-radius: 9999px;
    overflow: hidden;
    background-color: var(--secondary);
  }

  /* WebKit (Chrome, Safari, Edge) */
  .progress::-webkit-progress-bar {
    background-color: var(--secondary);
    border-radius: 9999px;
  }

  .progress::-webkit-progress-value {
    background-color: var(--primary);
    border-radius: 9999px;
    transition: width 300ms ease;
  }

  /* Firefox */
  .progress::-moz-progress-bar {
    background-color: var(--primary);
    border-radius: 9999px;
  }

  /* Indeterminate state */
  .progress:indeterminate {
    background: linear-gradient(
      90deg,
      var(--secondary) 0%,
      var(--primary) 50%,
      var(--secondary) 100%
    );
    background-size: 200% 100%;
    animation: progress-indeterminate 1.5s linear infinite;
  }

  .progress:indeterminate::-webkit-progress-bar {
    background-color: transparent;
  }

  .progress:indeterminate::-moz-progress-bar {
    background-color: transparent;
  }

  @keyframes progress-indeterminate {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }
}