html body {
    padding-bottom: 96px;
  }

  .kopi4d-punk-bottom,
  .kopi4d-punk-bottom * {
    box-sizing: border-box;
  }

  .kopi4d-punk-bottom {
    position: fixed;
    left: 50%;
    bottom: 14px;
    transform: translateX(-50%);
    z-index: 999999;
    width: min(94vw, 720px);
    display: grid;
    grid-template-columns: 1fr 1.18fr;
    gap: 12px;
    padding: 11px;
    border-radius: 14px;
    isolation: isolate;
    overflow: hidden;
    background:
      linear-gradient(135deg, rgba(4, 10, 24, .97), rgba(6, 16, 36, .97));
    border: 1px solid rgba(0, 180, 255, .35);
    box-shadow:
      0 0 0 1px rgba(0,0,0,.9),
      0 0 24px rgba(0, 180, 255, .18),
      0 16px 38px rgba(0,0,0,.72);
  }

  .kopi4d-punk-bottom::before {
    content: "SUBSCRIBER  ✦  KOPI4D  ✦  TECH MEDIA";
    position: absolute;
    left: 12px;
    right: 12px;
    top: -10px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font: 700 9px/1 Arial, sans-serif;
    letter-spacing: 2.5px;
    color: #fff;
    text-shadow: 0 0 8px #00b4ff;
    background: linear-gradient(90deg, #0057a8, #0099dd, #0057a8);
    border: 1px solid rgba(0,180,255,.5);
    opacity: .95;
    pointer-events: none;
  }

  .kopi4d-punk-bottom::after {
    content: "";
    position: absolute;
    inset: -8px;
    z-index: -1;
    background: linear-gradient(120deg, #0066cc, #00b4ff, #0066cc);
    filter: blur(18px);
    opacity: .2;
    animation: kopi4dPunkAura 3.2s linear infinite;
  }

  .kopi4d-punk-noise {
    display: none;
  }

  .kopi4d-punk-btn {
    position: relative;
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    overflow: hidden;
    border-radius: 8px;
    transform: none;
    font-family: "Arial Black", Impact, system-ui, sans-serif;
    font-size: clamp(15px, 3.8vw, 22px);
    font-weight: 900;
    letter-spacing: 1.5px;
    color: #fff;
    text-transform: uppercase;
    text-shadow: 0 0 12px rgba(255,255,255,.6);
    box-shadow:
      inset 0 1px 0 rgba(255,255,255,.15),
      0 4px 16px rgba(0,0,0,.4);
    transition:
      transform .18s ease,
      filter .18s ease,
      box-shadow .18s ease;
  }

  .kopi4d-punk-btn > span {
    position: relative;
    z-index: 3;
    transform: none;
  }

  .kopi4d-punk-login {
    background: linear-gradient(135deg, #0a1628 0%, #0d2144 50%, #0a4a7a 100%);
    border: 1px solid rgba(0, 160, 255, .5);
  }

  .kopi4d-punk-daftar {
    background: linear-gradient(135deg, #005fa3 0%, #0080cc 50%, #00aaff 100%);
    border: 1px solid rgba(0, 200, 255, .6);
  }

  .kopi4d-punk-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 8px;
    background: linear-gradient(180deg, rgba(255,255,255,.07) 0%, transparent 60%);
    z-index: 2;
    pointer-events: none;
  }

  .kopi4d-punk-btn::after {
    content: "";
    position: absolute;
    top: -75%;
    left: -42%;
    width: 42%;
    height: 240%;
    background: linear-gradient(
      90deg,
      transparent,
      rgba(255,255,255,.7),
      transparent
    );
    transform: rotate(22deg);
    z-index: 1;
    animation: kopi4dPunkShine 3.2s ease-in-out infinite;
  }

  .kopi4d-punk-icon {
    font-size: 20px;
    filter: drop-shadow(0 0 6px rgba(0,180,255,.8));
  }

  .kopi4d-punk-label {
    white-space: nowrap;
  }

  .kopi4d-punk-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.15);
    box-shadow:
      inset 0 1px 0 rgba(255,255,255,.2),
      0 0 20px rgba(0,160,255,.5),
      0 8px 20px rgba(0,0,0,.5);
  }

  .kopi4d-punk-btn:active {
    transform: translateY(1px);
    filter: brightness(.95);
  }

  @keyframes kopi4dPunkShine {
    0% { left: -45%; }
    42%, 100% { left: 125%; }
  }

  @keyframes kopi4dPunkAura {
    0% { transform: translateX(-12px); }
    50% { transform: translateX(12px); }
    100% { transform: translateX(-12px); }
  }

  @media (max-width: 520px) {
    html body {
      padding-bottom: 88px;
    }

    .kopi4d-punk-bottom {
      width: calc(100vw - 16px);
      bottom: 8px;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
      padding: 9px;
      border-radius: 10px;
    }

    .kopi4d-punk-bottom::before {
      font-size: 8px;
      letter-spacing: 1.4px;
      top: -9px;
    }

    .kopi4d-punk-btn {
      min-height: 48px;
      font-size: 15px;
      border-radius: 7px;
      letter-spacing: .8px;
    }

    .kopi4d-punk-icon {
      font-size: 17px;
    }
  }
