Form Error Summary

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import { FormErrorSummary, Input } from "@gunkin/uiify";

export default function Example() {
  return (
    <form className="example-form" aria-label="Account details">
      <FormErrorSummary
        className=""
        aria-label="Account errors"
        title="There is a problem"
        slotProps={{
          title: { className: "" },
          list: { className: "" },
          link: { className: "" },
        }}
        errors={[
          { href: "#form-error-summary-email", message: "Enter a valid email address" },
          { href: "#form-error-summary-password", message: "Use at least 8 characters" },
        ]}
      />
      <div className="example-field">
        <label htmlFor="form-error-summary-email">Email</label>
        <Input
          className=""
          id="form-error-summary-email"
          invalid
          name="email"
          type="email"
          autoComplete="email"
          defaultValue="alex@"
          aria-describedby="form-error-summary-email-error"
        />
        <p className="example-error" id="form-error-summary-email-error">
          Enter a valid email address
        </p>
      </div>
      <div className="example-field">
        <label htmlFor="form-error-summary-password">Password</label>
        <Input
          className=""
          id="form-error-summary-password"
          invalid
          name="password"
          type="password"
          autoComplete="new-password"
          defaultValue="pass"
          aria-describedby="form-error-summary-password-error"
        />
        <p className="example-error" id="form-error-summary-password-error">
          Use at least 8 characters
        </p>
      </div>
    </form>
  );
}

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/* Text fields — Input and Textarea share the same surface. Invalid state keys
   off the [data-invalid] attribute the components emit. Textarea autosize uses
   the native field-sizing (Chrome 123+) when the component sets data-autosize. */

@layer components {
  :where([data-uiify-input], [data-uiify-textarea]) {
    display: block;
    inline-size: 100%;
    max-inline-size: 24rem;
    padding-block: var(--space-sm);
    padding-inline: var(--space-md);
    border: var(--border-width) solid var(--input);
    border-radius: var(--radius-md);
    background-color: var(--card);
    color: var(--foreground);
    font-size: var(--uiify-control-text);
    line-height: var(--leading-normal);
    transition: var(--transition-colors);
  }

  :where([data-uiify-input], [data-uiify-textarea])::placeholder {
    color: var(--muted-foreground);
  }

  :where([data-uiify-input], [data-uiify-textarea]):focus-visible {
    border-color: var(--primary);
  }

  :where([data-uiify-input], [data-uiify-textarea]):disabled,
  :where([data-uiify-input], [data-uiify-textarea])[data-disabled] {
    opacity: 0.5;
    cursor: not-allowed;
  }

  :where([data-uiify-input], [data-uiify-textarea])[data-invalid],
  :where([data-uiify-input], [data-uiify-textarea]):user-invalid {
    border-color: var(--destructive);
  }

  :where([data-uiify-input], [data-uiify-textarea])[data-invalid]:focus-visible {
    outline-color: var(--destructive);
  }

  /* Input is a pill sized like Button: --control-md tall and base text. Textarea keeps its own
     rounded rectangle. */
  [data-uiify-input] {
    box-sizing: border-box;
    block-size: var(--uiify-control-size, var(--control-md));
    padding-block: 0;
    padding-inline: var(--space-lg);
    border-radius: var(--radius-full);
    font-size: var(--uiify-control-font, var(--text-base));
  }

  [data-uiify-textarea] {
    min-block-size: 4lh;
    resize: block;
  }

  [data-uiify-textarea][data-autosize] {
    field-sizing: content;
    resize: none;
  }

  [data-uiify-field] {
    display: grid;
    gap: var(--space-sm);
    inline-size: 100%;
    max-inline-size: 24rem;
  }

  [data-uiify-field] [data-part="label"] {
    color: var(--foreground);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    line-height: var(--leading-normal);
  }

  [data-uiify-field] [data-part="label"][data-required]::after {
    content: " *";
    color: var(--destructive);
  }

  [data-uiify-field] [data-part="description"] {
    margin: 0;
    color: var(--muted-foreground);
    font-size: var(--text-xs);
    line-height: var(--leading-normal);
  }

  [data-uiify-field] [data-part="error"] {
    margin: 0;
    color: var(--destructive);
    font-size: var(--text-xs);
    line-height: var(--leading-normal);
  }

  /* Shared presence fade when an error message is mounted. */
  @media (prefers-reduced-motion: no-preference) {
    [data-uiify-field] [data-part="error"] {
      transition: opacity var(--duration-fast) var(--ease-out);
    }

    @starting-style {
      [data-uiify-field] [data-part="error"] {
        opacity: 0;
      }
    }
  }
}

@layer components {
  [data-uiify-form-error-summary] {
    display: grid;
    gap: var(--space-sm);
    inline-size: 100%;
    max-inline-size: 24rem;
    min-inline-size: 0;
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    overflow-wrap: anywhere;
    padding-block: var(--space-md);
    padding-inline: var(--space-md);
    border: var(--border-width) solid color-mix(in oklab, var(--destructive) 45%, var(--border));
    border-radius: var(--radius-md);
    background: color-mix(in oklab, var(--destructive) 4%, var(--background));
    color: var(--foreground);
    text-wrap: pretty;
  }

  [data-uiify-form-error-summary] > [data-part="title"] {
    margin: 0;
    font-size: inherit;
    font-weight: var(--weight-semibold);
  }

  [data-uiify-form-error-summary] > [data-part="list"] {
    display: grid;
    gap: var(--space-xs);
    margin: 0;
    padding-inline-start: 1.25em;
  }

  [data-uiify-form-error-summary] a {
    color: var(--destructive);
    text-decoration: underline;
    text-underline-offset: 0.15em;
  }

  [data-uiify-form-error-summary] a:focus-visible {
    outline: var(--ring-width) solid var(--ring);
    outline-offset: 0.2em;
  }
}
/* Example layout; component surfaces use the skins above. */
.example-form, .example-field {
  display: grid;
  box-sizing: border-box;
  inline-size: 100%;
  max-inline-size: 24rem;
  min-inline-size: 0;
  margin: 0;
}
:is(.example-form, .example-field) * { box-sizing: border-box; }
.example-form { gap: 1.5rem; }
.example-field { gap: 0.5rem; }
.example-field > label {
  color: var(--foreground);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
}
.example-field > [data-uiify-input] { min-block-size: var(--control-md); }
.example-description, .example-error {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}
.example-description { color: var(--muted-foreground); }
.example-error { color: var(--destructive); }

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import { FormErrorSummary, Input } from "@gunkin/uiify";

export default function Example() {
  return (
    <form className="grid gap-6 [inline-size:100%] [max-inline-size:24rem]" aria-label="Account details">
      <FormErrorSummary
        className="
          grid gap-sm [inline-size:100%] [max-inline-size:24rem] [min-inline-size:0] text-sm
          [line-height:var(--leading-normal)] [overflow-wrap:anywhere] py-md px-md border-[length:var(--border-width)]
          border-solid [border-color:color-mix(in_oklab,_var(--destructive)_45%,_var(--border))] rounded-md
          [background:color-mix(in_oklab,_var(--destructive)_4%,_var(--background))] text-foreground text-pretty
        "
        aria-label="Account errors"
        title="There is a problem"
        slotProps={{
          title: { className: "m-0 text-[length:inherit] font-[number:var(--weight-semibold)]" },
          list: { className: "grid gap-xs m-0 [padding-inline-start:1.25em]" },
          link: {
            className:
              "text-destructive underline [text-underline-offset:0.15em] " +
              "focus-visible:[outline:var(--ring-width)_solid_var(--ring)] " +
              "focus-visible:[outline-offset:0.2em]",
          },
        }}
        errors={[
          { href: "#form-error-summary-email", message: "Enter a valid email address" },
          { href: "#form-error-summary-password", message: "Use at least 8 characters" },
        ]}
      />
      <div className="grid gap-2 [min-inline-size:0]">
        <label htmlFor="form-error-summary-email">Email</label>
        <Input
          className="
            focus-visible:[outline:none]
            focus-visible:[box-shadow:0_0_0_var(--ring-width)_color-mix(in_oklch,_var(--ring)_20%,_transparent)] block
            [inline-size:100%] [max-inline-size:24rem] box-border [block-size:var(--control-md)] py-0 px-lg
            border-[length:var(--border-width)] border-solid border-input rounded-full bg-card text-foreground
            [font-size:var(--text-base)] [line-height:var(--leading-normal)] [transition:var(--transition-colors)]
            placeholder:text-muted-foreground focus-visible:border-primary disabled:opacity-50
            disabled:cursor-not-allowed data-[disabled]:opacity-50 data-[disabled]:cursor-not-allowed
            data-[invalid]:border-destructive user-invalid:border-destructive
            data-[invalid]:focus-visible:outline-destructive
          "
          id="form-error-summary-email"
          invalid
          name="email"
          type="email"
          autoComplete="email"
          defaultValue="alex@"
          aria-describedby="form-error-summary-email-error"
        />
        <p className="m-0 text-xs text-destructive" id="form-error-summary-email-error">
          Enter a valid email address
        </p>
      </div>
      <div className="grid gap-2 [min-inline-size:0]">
        <label htmlFor="form-error-summary-password">Password</label>
        <Input
          className="
            focus-visible:[outline:none]
            focus-visible:[box-shadow:0_0_0_var(--ring-width)_color-mix(in_oklch,_var(--ring)_20%,_transparent)] block
            [inline-size:100%] [max-inline-size:24rem] box-border [block-size:var(--control-md)] py-0 px-lg
            border-[length:var(--border-width)] border-solid border-input rounded-full bg-card text-foreground
            [font-size:var(--text-base)] [line-height:var(--leading-normal)] [transition:var(--transition-colors)]
            placeholder:text-muted-foreground focus-visible:border-primary disabled:opacity-50
            disabled:cursor-not-allowed data-[disabled]:opacity-50 data-[disabled]:cursor-not-allowed
            data-[invalid]:border-destructive user-invalid:border-destructive
            data-[invalid]:focus-visible:outline-destructive
          "
          id="form-error-summary-password"
          invalid
          name="password"
          type="password"
          autoComplete="new-password"
          defaultValue="pass"
          aria-describedby="form-error-summary-password-error"
        />
        <p className="m-0 text-xs text-destructive" id="form-error-summary-password-error">
          Use at least 8 characters
        </p>
      </div>
    </form>
  );
}