/* Base layout utilities */
.global-messages {
  position: fixed;
  top: 5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: min(94vw, 640px);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  pointer-events: none;
}
.global-messages > * {
  pointer-events: auto;
}
.global-message {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: 14px;
  font-size: 0.93rem;
  line-height: 1.55;
  box-shadow: 0 10px 30px rgba(0,0,0,.12);
  border: 1px solid transparent;
  backdrop-filter: blur(8px);
}
.global-message-error {
  background: rgba(232, 93, 93, 0.95);
  border-color: rgba(232, 93, 93, 0.4);
  color: #fff;
}
.global-message-warning {
  background: rgba(245, 158, 11, 0.95);
  border-color: rgba(245, 158, 11, 0.4);
  color: #1a1a2e;
}
.global-message-success,
.global-message-info {
  background: rgba(15, 118, 110, 0.95);
  border-color: rgba(15, 118, 110, 0.4);
  color: #fff;
}
.global-message-close {
  background: rgba(255,255,255,0.2);
  border: none;
  cursor: pointer;
  opacity: 0.9;
  font-size: 1.1rem;
  line-height: 1;
  color: inherit;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s ease;
}
.global-message-close:hover {
  background: rgba(255,255,255,0.35);
  opacity: 1;
}
.whatsapp-btn {
  position: fixed;
  bottom: 2.5rem;
  right: 2rem;
  width: 3.5rem;
  height: 3.5rem;
  background: linear-gradient(135deg, #25d366, #20ba5d);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  transition: all 0.3s ease;
  z-index: 999;
}
.whatsapp-btn:hover {
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.6);
}