/* ==========================================================================
   Zalo Floating Button
   ========================================================================== */

.zalo-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Tooltip - positioned to the left of button */
.zalo-tooltip {
  background: var(--color-white);
  color: var(--color-black);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--duration-normal) var(--ease-out-quart);
  pointer-events: none;
  order: -1; /* Place tooltip before button */
}

.zalo-float:hover .zalo-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Main Button */
.zalo-btn {
  width: 60px;
  height: 60px;
  background: #0068FF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 104, 255, 0.4);
  transition: all var(--duration-normal) var(--ease-out-quart);
  position: relative;
  cursor: pointer;
  text-decoration: none;
  flex-shrink: 0;
}

.zalo-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(0, 104, 255, 0.5);
}

.zalo-btn:active {
  transform: scale(1.05);
}

/* Zalo Icon */
.zalo-btn svg {
  width: 32px;
  height: 32px;
  fill: white;
}

/* Pulse Animation */
.zalo-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #0068FF;
  animation: zaloPulse 2s ease-out infinite;
  z-index: -1;
}

@keyframes zaloPulse {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

/* Notification Badge */
.zalo-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  color: white;
  border: 2px solid white;
  animation: zaloBadgeBounce 2s ease-in-out infinite;
}

@keyframes zaloBadgeBounce {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

/* Mobile adjustments */
@media (max-width: 767px) {
  .zalo-float {
    bottom: var(--space-4);
    right: var(--space-4);
  }
  
  .zalo-btn {
    width: 56px;
    height: 56px;
  }
  
  .zalo-btn svg {
    width: 28px;
    height: 28px;
  }
  
  .zalo-tooltip {
    display: none;
  }
}

/* Hide when mobile menu is open */
body.menu-open .zalo-float {
  opacity: 0;
  pointer-events: none;
}