.whatsapp-float{
    position: fixed;
    right: 18px;
    bottom: 18px;
    width: 58px;
    height: 58px;
    border-radius: var(--ds-radius-pill);
    display: grid;
    place-items: center;
    background: linear-gradient(180deg, #25d366, #22c45e);
    box-shadow: var(--ds-shadow-md);
    border: 1px solid var(--ds-color-border-soft);
    z-index: 9999;
    transition: transform var(--ds-motion-fast) var(--ds-ease-standard), filter var(--ds-motion-fast) var(--ds-ease-standard);
    cursor:pointer;
  }
  .whatsapp-float:hover{ transform: translateY(-2px); filter: brightness(1.06); }
  .whatsapp-float:active{ transform: translateY(0px) scale(.99); }
  .whatsapp-float svg{
    width: 30px;
    height: 30px;
    fill: #ffffff;
    filter: drop-shadow(0 10px 18px rgba(0,0,0,.25));
  }
  .wa-panel{
    position: fixed;
    right: 18px;
    bottom: 86px;
    width: min(420px, calc(100vw - 24px));
    max-height: min(72vh, 620px);
    overflow: hidden;
    border-radius: var(--ds-card-radius);
    border: var(--ds-card-border);
    background: linear-gradient(180deg, rgba(8,14,24,.95), rgba(5,10,18,.95));
    box-shadow: var(--ds-card-shadow);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px) scale(.98);
    transition: var(--ds-motion-medium) var(--ds-ease-standard);
  }
  .wa-panel.open{
    opacity:1;
    pointer-events:auto;
    transform: translateY(0) scale(1);
  }
  .wa-panel-head{
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:10px;
  }
  .wa-panel-head strong{
    display:block;
    color:#e7f4ff;
    font-size:15px;
    font-weight:1000;
  }
  .wa-panel-head span{
    display:block;
    margin-top:2px;
    color: rgba(220,233,246,.68);
    font-size:12px;
    font-weight:700;
  }
  .wa-close{
    border:var(--ds-btn-border);
    background: rgba(255,255,255,.05);
    color:#dce9f7;
    width:30px;
    height:30px;
    border-radius:var(--ds-radius-sm);
    cursor:pointer;
    font-size:18px;
    line-height:1;
  }
  .wa-list{
    max-height: calc(min(72vh, 620px) - 62px);
    overflow:auto;
    padding: 8px;
    display:grid;
    gap:8px;
  }
  .wa-item{
    text-align:left;
    width:100%;
    border:1px solid var(--ds-color-border-soft);
    background: var(--ds-color-surface-2);
    border-radius:var(--ds-radius-md);
    padding:10px 12px;
    cursor:pointer;
    color:#e7f4ff;
    transition: var(--ds-motion-fast) var(--ds-ease-standard);
  }
  .wa-item:hover{
    border-color: rgba(35,176,11,.48);
    background: rgba(35,176,11,.08);
    transform: translateY(-1px);
  }
  .wa-item-title{
    display:block;
    font-size:12px;
    color:#8ff0bf;
    font-weight:900;
    letter-spacing:.2px;
  }
  .wa-item-msg{
    display:block;
    margin-top:4px;
    font-size:12px;
    color: rgba(232,244,255,.88);
    font-weight:700;
    line-height:1.35;
  }
  @media (max-width: 680px){
    .wa-panel{
      right: 12px;
      bottom: 82px;
      width: calc(100vw - 24px);
    }
  }