.orenlume-whatsapp {
    position: fixed;
    right: max(24px, env(safe-area-inset-right));
    bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    z-index: 100;
    display: grid;
    place-items: center;
    width: 68px;
    height: 68px;
    border-radius: 50%;
    isolation: isolate;
    background: conic-gradient(from 208deg, #6f7780 0deg, #eef3f5 53deg, #9da6ad 112deg, #fff 176deg, #777f87 241deg, #e8edf0 304deg, #6f7780 360deg);
    border: 1px solid #909aa1;
    box-shadow: 0 12px 25px rgba(10, 20, 30, .24), 0 2px 5px rgba(10, 20, 30, .16), inset 0 1px 1px rgba(255, 255, 255, .95);
    transition: transform .22s ease, box-shadow .22s ease;
    -webkit-tap-highlight-color: transparent;
  }

  .orenlume-whatsapp::before {
    content: "";
    position: absolute;
    inset: 5px;
    z-index: -1;
    border-radius: inherit;
    border: 1px solid rgba(13, 75, 50, .8);
    background: radial-gradient(circle at 33% 20%, #5bdd92 0%, #26b566 37%, #138950 72%, #0d653e 100%);
    box-shadow: inset 0 2px 3px rgba(255, 255, 255, .42), inset 0 -5px 9px rgba(0, 40, 27, .26), 0 0 0 1px rgba(255, 255, 255, .53);
  }

  .orenlume-whatsapp svg {
    display: block;
    width: 34px;
    height: 34px;
    fill: #fff;
    filter: drop-shadow(0 2px 1px rgba(0, 55, 29, .35));
  }

  .orenlume-whatsapp:hover {
    transform: translateY(-4px);
    box-shadow: 0 17px 30px rgba(10, 20, 30, .28), 0 2px 5px rgba(10, 20, 30, .16), inset 0 1px 1px rgba(255, 255, 255, .95);
  }

  .orenlume-whatsapp:active { transform: translateY(-1px) scale(.97); }
  .orenlume-whatsapp:focus-visible { outline: 3px solid #603bfa; outline-offset: 5px; }

  .orenlume-whatsapp__tip {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translate(5px, -50%);
    padding: 9px 13px;
    border: 1px solid #e7e9f1;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 8px 24px rgba(10, 20, 40, .12);
    color: #0b1630;
    font: 500 12px/1.2 -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", sans-serif;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
  }

  .orenlume-whatsapp:hover .orenlume-whatsapp__tip,
  .orenlume-whatsapp:focus-visible .orenlume-whatsapp__tip {
    opacity: 1;
    visibility: visible;
    transform: translate(0, -50%);
  }

  @media (max-width: 760px) {
    .orenlume-whatsapp {
      right: max(16px, env(safe-area-inset-right));
      bottom: calc(16px + env(safe-area-inset-bottom, 0px));
      width: 60px;
      height: 60px;
    }
    .orenlume-whatsapp svg { width: 30px; height: 30px; }
    .orenlume-whatsapp__tip { display: none; }
  }

  @media (prefers-reduced-motion: reduce) {
    .orenlume-whatsapp, .orenlume-whatsapp__tip { transition: none; }
  }

@media print { .orenlume-whatsapp { display: none; } }