/**
 * KSU Messengers Widget - Виджет мессенджеров
 * Кастомный виджет для связи через Telegram и MAX
 * Замена amoCRM виджета
 */

/* ==================== Основной контейнер виджета ==================== */
.ksu-messengers-widget {
  position: fixed;
  right: 90px;
  bottom: 90px;
  z-index: 1043;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ==================== Главная кнопка ==================== */
.ksu-messengers-button {
  width: 60px;
  height: 60px;
  border-radius: 30px;
  background: rgba(0, 0, 0, 0.1);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.ksu-messengers-button:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.ksu-messengers-button:active {
  transform: scale(0.95);
}

/* Иконка главной кнопки */
.ksu-messengers-button svg,
.ksu-messengers-button img.ksu-main-icon {
  width: 60px;
  height: 60px;
  fill: #ffffff;
  position: relative;
  z-index: 1;
}

.ksu-messengers-button img.ksu-main-icon {
  object-fit: contain;
}

/* Анимация волны при клике */
.ksu-messengers-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.ksu-messengers-button.wave-animation::before {
  width: 120px;
  height: 120px;
  opacity: 0;
}

/* ==================== Меню мессенджеров ==================== */
.ksu-messengers-menu {
  position: absolute;
  bottom: 75px;
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.ksu-messengers-menu.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

/* ==================== Кнопки мессенджеров ==================== */
.ksu-messenger-item {
  width: 50px;
  height: 50px;
  border-radius: 25px;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: all 0.2s ease;
  position: relative;
}

.ksu-messenger-item:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.ksu-messenger-item:active {
  transform: scale(0.95);
}

/* Telegram кнопка */
.ksu-messenger-item.telegram {
  background: #0088cc;
}

.ksu-messenger-item.telegram svg {
  width: 28px;
  height: 28px;
  fill: #ffffff;
}

/* MAX кнопка */
.ksu-messenger-item.max {
  background: transparent;
  padding: 0;
  overflow: hidden;
}

.ksu-messenger-item.max img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

/* Подсказки при наведении */
.ksu-messenger-item::after {
  content: attr(data-tooltip);
  position: absolute;
  right: 60px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: #ffffff;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.ksu-messenger-item:hover::after {
  opacity: 1;
}

/* ==================== Адаптивность для мобильных устройств ==================== */
@media (max-width: 768px) {
  .ksu-messengers-widget {
    right: 20px;
    bottom: 20px;
  }

  .ksu-messengers-button {
    width: 50px;
    height: 50px;
    border-radius: 25px;
  }

  .ksu-messengers-button svg,
  .ksu-messengers-button img.ksu-main-icon {
    width: 50px;
    height: 50px;
  }

  .ksu-messenger-item {
    width: 45px;
    height: 45px;
    border-radius: 22.5px;
  }

  .ksu-messenger-item.telegram svg {
    width: 24px;
    height: 24px;
  }

  .ksu-messenger-item.max img {
    border-radius: 11px;
  }

  .ksu-messengers-menu {
    bottom: 65px;
  }

  /* Скрываем подсказки на мобильных */
  .ksu-messenger-item::after {
    display: none;
  }
}

/* ==================== Accessibility ==================== */
.ksu-messengers-button:focus,
.ksu-messenger-item:focus {
  outline: 2px solid #0088cc;
  outline-offset: 2px;
}

/* Для screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}