(async () => {
  if (window.__SOBELZ_SIGNATURE__) return;
  window.__SOBELZ_SIGNATURE__ = true;

  /* ─────────────────────────────────────────────
   *  SOBELZ — Console Signature
   *  سوبلز، لبه روشن فناوری
   * ───────────────────────────────────────────── */

  const CONFIG = {
    brand: "سوبلز",
    slogan: "لبه روشن فناوری",
    url: "https://sobelz.com",

    // بهترین حالت:
    // لوگوی SVG سوبلز را روی خود سایت قرار بده.
    logo: "https://sobelz.com/logo.svg"
  };

  // ── Domain signature ──────────────────────────

  const createSignature = async () => {
    const payload = [
      "SOBELZ",
      location.hostname.toLowerCase()
    ].join("::");

    try {
      const data = new TextEncoder().encode(payload);

      const hashBuffer = await crypto.subtle.digest(
        "SHA-256",
        data
      );

      const hash = [...new Uint8Array(hashBuffer)]
        .map(byte => byte.toString(16).padStart(2, "0"))
        .join("")
        .slice(0, 8)
        .toUpperCase();

      return `SBZ-${hash}`;

    } catch {
      // Fallback برای مرورگرهای قدیمی‌تر
      let hash = 0;

      for (let i = 0; i < payload.length; i++) {
        hash = ((hash << 5) - hash) + payload.charCodeAt(i);
        hash |= 0;
      }

      return `SBZ-${Math.abs(hash)
        .toString(16)
        .slice(0, 8)
        .toUpperCase()}`;
    }
  };

  const signature = await createSignature();
  const year = new Date().getFullYear();

  // ── Styles ────────────────────────────────────

  const logoStyle = [
    `background-image:url("${CONFIG.logo}")`,
    "background-position:center",
    "background-repeat:no-repeat",
    "background-size:contain",
    "padding:26px 52px",
    "margin-right:10px",
    "font-size:1px"
  ].join(";");

  const brandStyle = [
    "color:#F7FBFC",
    "background:#071014",
    "font-family:Tahoma,Segoe UI,sans-serif",
    "font-size:24px",
    "font-weight:900",
    "padding:11px 16px 5px",
    "border-radius:0 10px 0 0"
  ].join(";");

  const sloganStyle = [
    "color:#4AB0D0",
    "background:#071014",
    "font-family:Tahoma,Segoe UI,sans-serif",
    "font-size:14px",
    "font-weight:700",
    "padding:5px 16px 11px",
    "border-radius:0 0 10px 0"
  ].join(";");

  const bladeStyle = [
    "background:linear-gradient(90deg,#4AB0D0,#9AEAFF,transparent)",
    "font-size:3px",
    "padding:0 150px",
    "border-radius:100px"
  ].join(";");

  const textStyle = [
    "color:#849CA3",
    "font-family:Tahoma,Segoe UI,sans-serif",
    "font-size:13px",
    "line-height:2"
  ].join(";");

  const labelStyle = [
    "color:#6D858C",
    "font-family:Tahoma,Segoe UI,sans-serif",
    "font-size:11px"
  ].join(";");

  const signatureStyle = [
    "background:#0A171C",
    "color:#4AB0D0",
    "font-family:Consolas,Monaco,monospace",
    "font-size:11px",
    "font-weight:700",
    "padding:4px 8px",
    "border:1px solid #163B47",
    "border-radius:5px",
    "letter-spacing:1px"
  ].join(";");

  const linkStyle = [
    "color:#4AB0D0",
    "font-family:Consolas,Monaco,monospace",
    "font-size:12px",
    "font-weight:700"
  ].join(";");

  const copyrightStyle = [
    "color:#526970",
    "font-family:Tahoma,Segoe UI,sans-serif",
    "font-size:10px"
  ].join(";");


  // ── Render ────────────────────────────────────

  console.log(
    "%c %c سوبلز \n%cلبه روشن فناوری",
    logoStyle,
    brandStyle,
    sloganStyle
  );

  console.log("%c ", bladeStyle);

  console.log(
    "%cاین وب‌سایت با دقت توسط سوبلز طراحی و توسعه داده شده است.",
    textStyle
  );

  console.log(
    "%c◇ امضای ساخت  %c " + signature + " ",
    labelStyle,
    signatureStyle
  );

  console.log(
    "%c↗ https://sobelz.com",
    linkStyle
  );

  console.log(
    `%c© ${year} سوبلز — تمامی حقوق محفوظ است`,
    copyrightStyle
  );
})();