/* ==========================================================================
   Module: Chat Widget
   ========================================================================== */

.chat-widget {
  position: fixed;
  bottom: 30px;
  left: 30px;
  right: auto !important;
  z-index: 999999;
  display: flex;
  flex-direction: column-reverse;
  align-items: flex-start;
  gap: var(--space-3);
}

/* Toggle FAB */
.chat-widget__toggle {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(200, 0, 26, 0.45);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  flex-shrink: 0;
}

.chat-widget__toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(200, 0, 26, 0.55);
}

/* Icon states */
.chat-widget__icon--close { display: none; }

.chat-widget--open .chat-widget__icon--chat  { display: none; }
.chat-widget--open .chat-widget__icon--close { display: flex; }

/* Notification badge */
.chat-widget__badge {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ff6b00;
  color: var(--color-white);
  font-size: 10px;
  font-weight: var(--font-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-dark-1);
  transition: opacity var(--transition-fast);
}

.chat-widget--open .chat-widget__badge { opacity: 0; pointer-events: none; }

/* Pulse ring */
.chat-widget__pulse {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  animation: pulse-ring 2.5s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
  pointer-events: none;
}

@keyframes pulse-ring {
  0%   { transform: scale(0.9); opacity: 0.8; }
  50%  { transform: scale(1.3); opacity: 0; }
  100% { transform: scale(0.9); opacity: 0; }
}

.chat-widget--open .chat-widget__pulse { display: none; }

/* Menu */
.chat-widget__menu {
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
  transform-origin: bottom left;
}

.chat-widget--open .chat-widget__menu {
  display: flex;
  animation: menu-in var(--transition-base) ease both;
}

@keyframes menu-in {
  from { opacity: 0; transform: scale(0.8) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Menu items */
.chat-widget__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-3);
  border-radius: 100px;
  background: var(--color-dark-2);
  border: 1px solid var(--color-dark-3);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-decoration: none;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.chat-widget__item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
}

.chat-widget__item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Phone: green */
.chat-widget__item--phone .chat-widget__item-icon {
  background: #38a169;
  color: white;
}

/* Zalo: blue */
.chat-widget__item--zalo .chat-widget__item-icon {
  background: transparent;
  overflow: hidden;
}

/* Booking: primary */
.chat-widget__item--booking .chat-widget__item-icon,
.chat-widget__item--consult .chat-widget__item-icon {
  background: var(--color-primary);
  color: white;
}

.chat-widget__item--consult {
  cursor: pointer;
  width: 100%;
  text-align: left;
}

/* Mobile */
@media (max-width: 767px) {
  .chat-widget {
    display: flex !important;
    position: fixed !important;
    bottom: 30px !important;
    left: 20px !important;
    right: auto !important;
    z-index: 999999 !important;
    align-items: flex-start;
  }

  .chat-widget__menu {
    transform-origin: bottom left;
    align-items: flex-start;
  }

  /* Thay vì ẩn text, ta giữ nguyên giao diện như desktop (có chữ) */
  .chat-widget__item {
    font-size: 13px; /* Thu nhỏ text một chút */
    padding: 6px 16px 6px 6px;
  }

  .chat-widget__toggle {
    width: 52px;
    height: 52px;
  }

  .chat-widget__pulse {
    width: 52px;
    height: 52px;
  }
}