/**
 * @file    : css/chatbot/chatbot-toggle.css
 * @purpose : 聊天按鈕、提示氣泡、通知徽章樣式
 */

/* ========================================
   Chat Widget Container
   ======================================== */
.chat-widget-container {
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  right: 24px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ========================================
   Chat Toggle Button
   ======================================== */
.chat-toggle {
  position: relative;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(145deg, #e8853a 0%, #d2691e 50%, #a0522d 100%);
  border: 2px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  box-shadow:
    0 4px 20px rgba(210, 105, 30, 0.35),
    inset 0 2px 4px rgba(255, 255, 255, 0.2),
    inset 0 -2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(210, 105, 30, 0.45);
}

.chat-toggle.active {
  transform: rotate(0deg) scale(0.95);
  background: linear-gradient(145deg, #a0522d 0%, #8b4513 100%);
}

.chat-toggle-icon {
  font-size: 1.1rem;
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.05em;
}

/* ========================================
   Notification Badge
   ======================================== */
.chat-notification {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ef4444;
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: badgePulse 2s infinite;
  border: 2px solid #fffaf5;
}

@keyframes badgePulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(239, 68, 68, 0);
  }
}

/* ========================================
   Chat Hint Bubble
   ======================================== */
.chat-hint {
  position: relative;
  background: linear-gradient(135deg, #d2691e 0%, #a0522d 100%);
  color: #fff;
  padding: 8px 14px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow:
    0 4px 12px rgba(210, 105, 30, 0.3),
    inset 0 1px 2px rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.15);
  animation: hintBounce 3s ease-in-out infinite;
  cursor: pointer;
}

.chat-hint:hover {
  background: linear-gradient(135deg, #e8853a 0%, #d2691e 100%);
}

.chat-hint-arrow {
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 8px solid #d2691e;
}

.chat-hint:hover .chat-hint-arrow {
  border-left-color: #e8853a;
}

.chat-hint-text {
  display: inline-block;
  transition: opacity 0.3s ease;
}

@keyframes hintBounce {
  0%,
  100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(-4px);
  }
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

/* 響應式 */
@media (max-width: 768px) {
  .chat-hint {
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
  }
}