.nik-pop-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 12, 10, 0.85);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 9999999;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
  }

  .nik-pop-overlay.nik-pop-visible {
    opacity: 1;
  }

  .nik-pop-container {
    position: relative;
    background: #161311;
    border: 1px solid #b87333; /* Měděný okraj */
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.9);
    width: 100%;
    max-width: 460px;
    padding: 40px 30px 30px 30px;
    text-align: center;
    color: #f3e5ab; /* Šampaňská barva textu */
    border-radius: 4px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  }

  .nik-pop-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    color: #c48344;
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease;
  }

  .nik-pop-close:hover {
    color: #f3e5ab;
  }

  .nik-pop-subtitle {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #c48344; /* Měděný podnadpis */
    display: block;
    margin-bottom: 8px;
  }

  .nik-pop-title {
    font-size: 30px;
    font-weight: 900;
    letter-spacing: 2px;
    margin: 0;
    text-transform: uppercase;
    color: #f3e5ab; /* Šampaňský nadpis */
  }

  .nik-pop-divider {
    width: 40px;
    height: 1px;
    background: #b87333;
    margin: 15px auto 20px auto;
  }

  .nik-pop-discount {
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 1px;
    margin: 0 0 10px 0;
    color: #f3e5ab;
  }

  .nik-pop-text {
    font-size: 13px;
    color: #d3c4a5;
    line-height: 1.6;
    margin: 0 0 25px 0;
  }

  .nik-pop-btn {
    width: 100%;
    background: #b87333; /* Měděné tlačítko */
    color: #161311;
    border: 1px solid #b87333;
    padding: 14px 20px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 2px;
  }

  .nik-pop-btn:hover {
    background: #f3e5ab; /* Šampaňský hover efekt */
    color: #161311;
    border-color: #f3e5ab;
  }

  @media (max-width: 480px) {
    .nik-pop-container {
      padding: 30px 20px 20px 20px;
    }
    .nik-pop-title {
      font-size: 22px;
    }
    .nik-pop-discount {
      font-size: 16px;
    }
  }