:root {
  --mb-size: 60px;
  --mb-icon-size: 28px;
  --mb-list-gap: 12px;
  --mb-transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.multibutton {
  position: fixed;
  bottom: 30px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  transition: var(--mb-transition);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.multibutton--right {
  right: 30px;
  align-items: flex-end;
}

.multibutton--left {
  left: 30px;
  align-items: flex-start;
}

/* Label next to button */
.multibutton__label {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  color: #333;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  white-space: nowrap;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.multibutton--right .multibutton__label {
  right: calc(var(--mb-size) + 15px);
}

.multibutton--left .multibutton__label {
  left: calc(var(--mb-size) + 15px);
}

.multibutton:hover .multibutton__label,
.multibutton--active .multibutton__label {
  opacity: 0;
}

/* Main button */
.multibutton__main {
  width: var(--mb-size);
  height: var(--mb-size);
  background: var(--mb-color, #707767);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
  position: relative;
  z-index: 2;
  transition: var(--mb-transition);
}

.multibutton__main:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}

.multibutton__icon-main {
  width: var(--mb-icon-size);
  height: var(--mb-icon-size);
  position: relative;
}

.multibutton__svg-open,
.multibutton__svg-close {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transition: var(--mb-transition);
}

.multibutton__svg-close {
  opacity: 0;
  transform: rotate(-90deg) scale(0);
}

.multibutton:hover .multibutton--active .mb-svg-open,
.multibutton:hover .multibutton__svg-open,
.multibutton--active .multibutton__svg-open {
  opacity: 0 !important;
  transform: rotate(90deg) scale(0) !important;
}

.multibutton:hover .multibutton__svg-close,
.multibutton--active .multibutton__svg-close {
  opacity: 1 !important;
  transform: rotate(0) scale(1) !important;
}

/* Pulse effect */
.multibutton__main--pulse::before,
.multibutton__main--pulse::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--mb-color);
  border-radius: 50%;
  z-index: -1;
  animation: mb-pulse 2s infinite;
  opacity: 0.6;
}

.multibutton__main--pulse::after {
  animation-delay: 0.5s;
}

@keyframes mb-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* List of items */
.multibutton__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--mb-list-gap);
  margin-bottom: var(--mb-list-gap);
  visibility: hidden;
  pointer-events: none;
}

.multibutton--right .multibutton__list {
  align-items: flex-end;
}

.multibutton--left .multibutton__list {
  align-items: flex-start;
}

.multibutton:hover .multibutton__list,
.multibutton--active .multibutton__list {
  visibility: visible;
  pointer-events: auto;
}

.multibutton__item {
  opacity: 0;
  transform: translateY(20px) scale(0.8);
  transition: var(--mb-transition);
  transition-delay: calc(var(--i) * 0.05s);
}

.multibutton:hover .multibutton__item,
.multibutton--active .multibutton__item {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Links and labels */
.multibutton__link {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 12px;
}

.multibutton--left .multibutton__link {
  flex-direction: row-reverse;
}

.multibutton__text {
  background: rgba(0, 0, 0, 0.75);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 6px 14px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(0,0,0,0.15);
  opacity: 0;
  transform: translateX(10px);
  transition: var(--mb-transition);
}

.multibutton--left .multibutton__text {
  transform: translateX(-10px);
}

.multibutton__link:hover .multibutton__text {
  opacity: 1;
  transform: translateX(0);
}

/* Icons */
.multibutton__icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 5px 15px rgba(0,0,0,0.15);
  transition: var(--mb-transition);
}

.multibutton__icon svg {
  width: 24px;
  height: 24px;
}

.multibutton__link:hover .multibutton__icon {
  transform: scale(1.1);
}

/* Brand Colors */
.multibutton__icon--phone { background: #4CAF50; }
.multibutton__icon--telegram { background: #0088cc; }
.multibutton__icon--viber { background: #7360f2; }
.multibutton__icon--whatsapp { background: #25D366; }
.multibutton__icon--messenger { background: #0084FF; }

/* Responsive */
@media (max-width: 768px) {
  :root {
    --mb-size: 54px;
    --mb-icon-size: 24px;
  }
  .multibutton {
    bottom: 20px;
  }
  .multibutton--right { right: 20px; }
  .multibutton--left { left: 20px; }
  
  .multibutton__text {
    display: none; /* Hide text labels on mobile for cleaner look */
  }
}