opencode/packages/ui/src/components/text-field.css

[data-component="input"] {
  width: 100%;

  [data-slot="input-input"] {
    width: 100%;
    color: var(--text-strong);

    /* text-14-regular */
    font-family: var(--font-family-sans);
    font-size: 14px;
    font-style: normal;
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-large); /* 142.857% */
    letter-spacing: var(--letter-spacing-normal);

    &:focus {
      outline: none;
    }

    &::placeholder {
      color: var(--text-weak);
    }
  }

  &[data-variant="normal"] {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;

    [data-slot="input-label"] {
      color: var(--text-weak);

      /* text-12-medium */
      font-family: var(--font-family-sans);
      font-size: var(--font-size-small);
      font-style: normal;
      font-weight: var(--font-weight-medium);
      line-height: 18px; /* 150% */
      letter-spacing: var(--letter-spacing-normal);
    }

    [data-slot="input-wrapper"] {
      display: flex;
      align-items: start;
      justify-content: space-between;
      width: 100%;
      padding-right: 4px;

      border-radius: var(--radius-md);
      border: 1px solid var(--border-weak-base);
      background: var(--input-base);

      &:focus-within {
        /* border/shadow-xs/select */
        box-shadow:
          0 0 0 3px var(--border-weak-selected),
          0 0 0 1px var(--border-selected),
          0 1px 2px -1px rgba(19, 16, 16, 0.25),
          0 1px 2px 0 rgba(19, 16, 16, 0.08),
          0 1px 3px 0 rgba(19, 16, 16, 0.12);
      }

      &:has([data-invalid]) {
        background: var(--surface-critical-weak);
        border: 1px solid var(--border-critical-selected);
      }

      &:not(:has([data-slot="input-copy-button"])) {
        padding-right: 0;
      }
    }

    [data-slot="input-input"] {
      color: var(--text-strong);

      display: flex;
      height: 32px;
      padding: 2px 12px;
      align-items: center;
      flex: 1;
      min-width: 0;

      background: transparent;
      border: none;

      /* text-14-regular */
      font-family: var(--font-family-sans);
      font-size: 14px;
      font-style: normal;
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-large); /* 142.857% */
      letter-spacing: var(--letter-spacing-normal);

      &:focus {
        outline: none;
      }

      &::placeholder {
        color: var(--text-weak);
      }
    }

    textarea[data-slot="input-input"] {
      height: auto;
      min-height: 32px;
      padding: 6px 12px;
      resize: none;
    }

    [data-slot="input-copy-button"] {
      flex-shrink: 0;
      margin-top: 4px;
      color: var(--icon-base);

      &:hover {
        color: var(--icon-strong-base);
      }
    }

    [data-slot="input-error"] {
      color: var(--text-on-critical-base);

      /* text-12-medium */
      font-family: var(--font-family-sans);
      font-size: var(--font-size-small);
      font-style: normal;
      font-weight: var(--font-weight-medium);
      line-height: 18px; /* 150% */
      letter-spacing: var(--letter-spacing-normal);
    }
  }
}