#macospk-fab {
  --mpk-wa: #25D366;
  --mpk-wa-dark: #128C7E;
  --mpk-blue: #004d7a;
  --mpk-navy: #00264b;
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 99990;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
#macospk-fab * { box-sizing: border-box; }

/* Teaser bubble (closed state) */
#macospk-fab .mpk-teaser {
  position: absolute;
  right: 72px;
  bottom: 8px;
  background: #fff;
  color: var(--mpk-navy);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 14px 14px 4px 14px;
  box-shadow: 0 8px 32px rgba(0, 29, 57, 0.15);
  white-space: nowrap;
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
  pointer-events: none;
  border: 1px solid rgba(37, 211, 102, 0.25);
}
#macospk-fab .mpk-teaser::after {
  content: '';
  position: absolute;
  right: -6px;
  bottom: 14px;
  width: 12px;
  height: 12px;
  background: #fff;
  transform: rotate(45deg);
  border-right: 1px solid rgba(37, 211, 102, 0.2);
  border-bottom: 1px solid rgba(37, 211, 102, 0.2);
}
#macospk-fab.mpk-open .mpk-teaser,
#macospk-fab.mpk-teaser-hidden .mpk-teaser {
  opacity: 0;
  visibility: hidden;
  transform: translateX(8px);
}

/* Pop card */
#macospk-fab .mpk-pop-card {
  position: absolute;
  right: 0;
  bottom: 76px;
  width: 280px;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 16px 48px rgba(0, 29, 57, 0.18), 0 0 0 1px rgba(37, 211, 102, 0.12);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.92);
  transform-origin: right bottom;
  transition: opacity 0.3s cubic-bezier(0.34, 1.2, 0.64, 1),
    transform 0.3s cubic-bezier(0.34, 1.2, 0.64, 1),
    visibility 0.3s;
  pointer-events: none;
}
#macospk-fab.mpk-open .mpk-pop-card {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
#macospk-fab .mpk-pop-head {
  background: linear-gradient(135deg, var(--mpk-wa) 0%, var(--mpk-wa-dark) 100%);
  color: #fff;
  padding: 16px 18px;
}
#macospk-fab .mpk-pop-head strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}
#macospk-fab .mpk-pop-head span {
  font-size: 12px;
  opacity: 0.92;
  font-weight: 500;
}
#macospk-fab .mpk-pop-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
#macospk-fab .mpk-pop-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--mpk-navy);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  border: 1px solid #e8ecf0;
  background: #fafbfc;
}
#macospk-fab .mpk-pop-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}
#macospk-fab .mpk-pop-btn.mpk-wa {
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.12), rgba(18, 140, 126, 0.08));
  border-color: rgba(37, 211, 102, 0.35);
}
#macospk-fab .mpk-pop-btn.mpk-wa:hover {
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.2), rgba(18, 140, 126, 0.12));
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.25);
}
#macospk-fab .mpk-pop-btn.mpk-call {
  background: linear-gradient(135deg, rgba(0, 90, 135, 0.08), rgba(0, 29, 57, 0.04));
  border-color: rgba(0, 90, 135, 0.2);
}
#macospk-fab .mpk-pop-btn.mpk-call:hover {
  box-shadow: 0 6px 24px rgba(0, 90, 135, 0.2);
}
#macospk-fab .mpk-pop-btn-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
#macospk-fab .mpk-pop-btn.mpk-wa .mpk-pop-btn-icon {
  background: linear-gradient(145deg, var(--mpk-wa), var(--mpk-wa-dark));
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.4);
}
#macospk-fab .mpk-pop-btn.mpk-call .mpk-pop-btn-icon {
  background: linear-gradient(145deg, var(--mpk-blue), var(--mpk-navy));
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 90, 135, 0.35);
}
#macospk-fab .mpk-pop-btn-icon svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}
#macospk-fab .mpk-pop-btn-text small {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: #64748b;
  margin-top: 2px;
}

/* Main FAB */
#macospk-fab .mpk-fab-toggle {
  width: 62px;
  height: 62px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  background: linear-gradient(145deg, var(--mpk-wa) 0%, var(--mpk-wa-dark) 100%);
  color: #fff;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.5), 0 2px 8px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s;
  position: relative;
}
#macospk-fab .mpk-fab-toggle:hover {
  transform: scale(1.06);
  box-shadow: 0 12px 36px rgba(37, 211, 102, 0.55);
}
#macospk-fab.mpk-open .mpk-fab-toggle {
  background: linear-gradient(145deg, #475569, #1e293b);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}
#macospk-fab .mpk-fab-toggle svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
  transition: transform 0.28s ease, opacity 0.2s;
}
#macospk-fab .mpk-fab-toggle .mpk-icon-close {
  position: absolute;
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
}
#macospk-fab.mpk-open .mpk-fab-toggle .mpk-icon-wa {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}
#macospk-fab.mpk-open .mpk-fab-toggle .mpk-icon-close {
  opacity: 1;
  transform: rotate(0) scale(1);
}
#macospk-fab .mpk-fab-pulse {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--mpk-wa);
  animation: mpkPulseGreen 2s ease-out infinite;
  pointer-events: none;
}
#macospk-fab.mpk-open .mpk-fab-pulse { display: none; }
@keyframes mpkPulseGreen {
  0% { transform: scale(1); opacity: 0.65; }
  100% { transform: scale(1.4); opacity: 0; }
}
#macospk-fab .mpk-fab-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 14px;
  height: 14px;
  background: #ef4444;
  border: 2px solid #fff;
  border-radius: 50%;
  animation: mpkBadge 2s ease-in-out infinite;
}
#macospk-fab.mpk-open .mpk-fab-badge { display: none; }
@keyframes mpkBadge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

@media (max-width: 480px) {
  #macospk-fab { right: 14px; bottom: 14px; }
  #macospk-fab .mpk-pop-card { width: calc(100vw - 28px); max-width: 280px; }
  #macospk-fab .mpk-teaser { font-size: 12px; padding: 8px 12px; right: 68px; }
  #macospk-fab .mpk-fab-toggle { width: 58px; height: 58px; }
}