21:Tea37,

<script lang="ts">
  const DANGER = "#FF4D6A";

  function alpha(hex: string, a: number): string {
    const raw = hex.replace("#", "").trim();
    const six = raw.length === 3 ? raw.replace(/./g, (c) => c + c) : raw;
    const n = Number.parseInt(six, 16);
    if (six.length !== 6 || Number.isNaN(n)) return hex;
    return `rgba(${(n >> 16) & 255}, ${(n >> 8) & 255}, ${n & 255}, ${a})`;
  }

  let {
    placeholder = "Search components...",
    trailingLabel = "Search",
    trailingVariant = "button",
    counterMax = 280,
    accentColor = "#38BDF8",
    showLeadingIcon = true,
    invalid = false,
    value = $bindable(""),
    ontrailingclick,
  }: {
    placeholder?: string;
    trailingLabel?: string;
    trailingVariant?: "button" | "counter";
    counterMax?: number;
    accentColor?: string;
    showLeadingIcon?: boolean;
    invalid?: boolean;
    value?: string;
    ontrailingclick?: () => void;
  } = $props();

  let inputEl: HTMLInputElement | undefined = $state();
  let focused = $state(false);

  let ringColor = $derived(invalid ? DANGER : accentColor);
  let borderColor = $derived(focused ? ringColor : invalid ? alpha(DANGER, 0.5) : undefined);
  let ringShadow = $derived(focused ? `0 0 0 3px ${alpha(ringColor, 0.28)}` : "none");

  function handleShellPointerDown(event: PointerEvent) {
    const target = event.target as HTMLElement;
    if (target.closest("button") || target === inputEl) return;
    event.preventDefault();
    inputEl?.focus();
  }
</script>

<div
  class="addon-shell"
  style:border-color={borderColor}
  style:box-shadow={ringShadow}
  onpointerdown={handleShellPointerDown}
>
  {#if showLeadingIcon}
    <svg class="addon-icon" viewBox="0 0 24 24" fill="none" aria-hidden="true">
      <circle cx="10.5" cy="10.5" r="6.5" stroke="currentColor" stroke-width="1.75" />
      <path d="M19.5 19.5 15.4 15.4" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" />
    </svg>
  {/if}

  <input
    bind:this={inputEl}
    type="text"
    class="addon-input"
    {placeholder}
    bind:value
    aria-invalid={invalid || undefined}
    onfocus={() => (focused = true)}
    onblur={() => (focused = false)}
  />

  {#if trailingVariant === "counter"}
    <span class="addon-counter">{value.length}/{counterMax}</span>
  {:else}
    <button
      type="button"
      class="addon-button"
      style:color={ringColor}
      style:background-color={alpha(ringColor, 0.16)}
      style:outline-color={ringColor}
      onpointerdown={(event) => event.stopPropagation()}
      onclick={() => ontrailingclick?.()}
    >
      {trailingLabel}
    </button>
  {/if}
</div>

<style>
  .addon-shell {
    display: inline-flex;
    height: 2.25rem;
    width: 100%;
    align-items: center;
    gap: 0.5rem;
    border-radius: 0.75rem;
    border: 1px solid color-mix(in srgb, currentColor 15%, transparent);
    background: color-mix(in srgb, currentColor 4%, transparent);
    padding: 0 0.75rem;
    transition:
      border-color 200ms ease,
      box-shadow 200ms ease;
  }
  .addon-icon {
    height: 1rem;
    width: 1rem;
    flex-shrink: 0;
    color: color-mix(in srgb, currentColor 45%, transparent);
  }
  .addon-input {
    min-width: 0;
    flex: 1;
    border: none;
    background: transparent;
    color: currentColor;
    font-size: 0.9rem;
    line-height: 1;
    outline: none;
  }
  .addon-input::placeholder {
    color: color-mix(in srgb, currentColor 40%, transparent);
  }
  .addon-counter {
    flex-shrink: 0;
    user-select: none;
    color: color-mix(in srgb, currentColor 40%, transparent);
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
  }
  .addon-button {
    display: inline-flex;
    height: 1.75rem;
    flex-shrink: 0;
    align-items: center;
    white-space: nowrap;
    border-radius: 0.5rem;
    border: none;
    padding: 0 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: filter 150ms ease;
  }
  .addon-button:hover {
    filter: brightness(1.1);
  }
  .addon-button:focus-visible {
    outline-style: solid;
    outline-width: 2px;
    outline-offset: 2px;
  }
</style>

22:T1397,--- interface Props { placeholder?: string; trailingLabel?: string; trailingVariant?: "button" | "counter"; counterMax?: number; accentColor?: string; showLeadingIcon?: boolean; invalid?: boolean; value?: string; } const { placeholder = "Search components...", trailingLabel = "Search", trailingVariant = "button", counterMax = 280, accentColor = "#38BDF8", showLeadingIcon = true, invalid = false, value = "", } = Astro.props; const ringColor = invalid ? "#FF4D6A" : accentColor; const count = value.length; ---

{ showLeadingIcon && ( ) } { trailingVariant === "counter" ? ( {count}/{counterMax} ) : ( ) }

23:Tfc32,

---
interface Props {
  placeholder?: string;
  trailingLabel?: string;
  trailingVariant?: "button" | "counter";
  counterMax?: number;
  accentColor?: string;
  showLeadingIcon?: boolean;
  invalid?: boolean;
  value?: string;
}
const {
  placeholder = "Search components...",
  trailingLabel = "Search",
  trailingVariant = "button",
  counterMax = 280,
  accentColor = "#38BDF8",
  showLeadingIcon = true,
  invalid = false,
  value = "",
} = Astro.props;

const ringColor = invalid ? "#FF4D6A" : accentColor;
const count = value.length;
---

<div
  class="addon-shell"
  data-addon-input-group
  data-accent={accentColor}
  data-invalid={invalid ? "true" : "false"}
  style={`border-color: ${invalid ? "rgba(255,77,106,0.5)" : ""}`}
>
  {
    showLeadingIcon && (
      <svg class="addon-icon" viewBox="0 0 24 24" fill="none" aria-hidden="true">
        <circle cx="10.5" cy="10.5" r="6.5" stroke="currentColor" stroke-width="1.75" />
        <path d="M19.5 19.5 15.4 15.4" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" />
      </svg>
    )
  }

  <input
    type="text"
    class="addon-input"
    placeholder={placeholder}
    value={value}
    aria-invalid={invalid || undefined}
    data-addon-input
  />

  {
    trailingVariant === "counter" ? (
      <span class="addon-counter" data-addon-counter data-max={counterMax}>
        {count}/{counterMax}
      </span>
    ) : (
      <button
        type="button"
        class="addon-button"
        data-addon-button
        style={`color: ${ringColor}; background-color: color-mix(in srgb, ${ringColor} 16%, transparent); outline-color: ${ringColor}`}
      >
        {trailingLabel}
      </button>
    )
  }
</div>

<style>
  .addon-shell {
    display: inline-flex;
    height: 2.25rem;
    width: 100%;
    align-items: center;
    gap: 0.5rem;
    border-radius: 0.75rem;
    border: 1px solid color-mix(in srgb, currentColor 15%, transparent);
    background: color-mix(in srgb, currentColor 4%, transparent);
    padding: 0 0.75rem;
    transition:
      border-color 200ms ease,
      box-shadow 200ms ease;
  }
  .addon-icon {
    height: 1rem;
    width: 1rem;
    flex-shrink: 0;
    color: color-mix(in srgb, currentColor 45%, transparent);
  }
  .addon-input {
    min-width: 0;
    flex: 1;
    border: none;
    background: transparent;
    color: currentColor;
    font-size: 0.9rem;
    line-height: 1;
    outline: none;
  }
  .addon-input::placeholder {
    color: color-mix(in srgb, currentColor 40%, transparent);
  }
  .addon-counter {
    flex-shrink: 0;
    user-select: none;
    color: color-mix(in srgb, currentColor 40%, transparent);
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
  }
  .addon-button {
    display: inline-flex;
    height: 1.75rem;
    flex-shrink: 0;
    align-items: center;
    white-space: nowrap;
    border-radius: 0.5rem;
    border: none;
    padding: 0 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: filter 150ms ease;
  }
  .addon-button:hover {
    filter: brightness(1.1);
  }
  .addon-button:focus-visible {
    outline-style: solid;
    outline-width: 2px;
    outline-offset: 2px;
  }
</style>

<script>
  function alpha(hex: string, a: number): string {
    const raw = hex.replace("#", "").trim();
    const six = raw.length === 3 ? raw.replace(/./g, (c) => c + c) : raw;
    const n = Number.parseInt(six, 16);
    if (six.length !== 6 || Number.isNaN(n)) return hex;
    return `rgba(${(n >> 16) & 255}, ${(n >> 8) & 255}, ${n & 255}, ${a})`;
  }

  function attach(shell: HTMLElement) {
    const input = shell.querySelector<HTMLInputElement>("[data-addon-input]");
    const button = shell.querySelector<HTMLButtonElement>("[data-addon-button]");
    const counter = shell.querySelector<HTMLElement>("[data-addon-counter]");
    const accent = shell.dataset.accent || "#38BDF8";
    const invalid = shell.dataset.invalid === "true";
    const ring = invalid ? "#FF4D6A" : accent;
    if (!input) return;

    function focusShell() {
      shell.style.borderColor = ring;
      shell.style.boxShadow = `0 0 0 3px ${alpha(ring, 0.28)}`;
    }
    function blurShell() {
      shell.style.borderColor = invalid ? alpha("#FF4D6A", 0.5) : "";
      shell.style.boxShadow = "none";
    }

    input.addEventListener("focus", focusShell);
    input.addEventListener("blur", blurShell);
    input.addEventListener("input", () => {
      if (counter) {
        const max = counter.dataset.max ?? "280";
        counter.textContent = `${input.value.length}/${max}`;
      }
    });

    shell.addEventListener("pointerdown", (event) => {
      const target = event.target as HTMLElement;
      if (target.closest("button") || target === input) return;
      event.preventDefault();
      input.focus();
    });

    button?.addEventListener("pointerdown", (event) => event.stopPropagation());
  }

  document.querySelectorAll<HTMLElement>("[data-addon-input-group]").forEach(attach);
</script>

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