/* ============================================
   湖北盛科律师事务所 - AI法律咨询助手浮窗
   右下角固定悬浮 | 呼吸微光动画 | 弹窗交互
   ============================================ */

/* ===== 浮窗容器（固定定位） ===== */
.ai-assistant {
  position: fixed;
  right: 30px;
  bottom: 30px;
  z-index: 9999;
}

/* ===== 悬浮触发按钮（默认圆形） ===== */
.ai-trigger {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-gold);
  cursor: grab;
  display: flex;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 0;
  box-shadow: var(--shadow-popup);
  transition: all var(--transition-normal);
  position: relative;
}

/* 有自定义头像时 → 纯头像圆形 */
.ai-trigger.has-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  padding: 0;
  background: var(--color-primary);
  border: none;
  box-shadow: 0 0 0 2px var(--color-gold), 0 4px 20px rgba(0,0,0,0.15);
  overflow: hidden;
}
.ai-trigger.has-avatar::before {
  inset: -4px;
}
.ai-trigger.has-avatar .ai-label {
  display: none;
}

/* 静态金色环 */
.ai-trigger::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: inherit;
  background: transparent;
  box-shadow: 0 0 12px rgba(148, 120, 73, 0.2);
  pointer-events: none;
}

.ai-trigger:hover {
  border-color: var(--color-gold-light);
}

/* 有头像时hover保持金色圆环 */
.ai-trigger.has-avatar:hover {
  box-shadow: 0 0 0 2px var(--color-gold), 0 8px 28px rgba(26, 36, 54,0.35);
}

.ai-trigger:hover::before {
  box-shadow: 0 0 16px rgba(148, 120, 73, 0.3);
}

/* 天平图标 */
.ai-trigger .ai-icon {
  width: 26px;
  height: 26px;
  color: var(--color-gold);
}

.ai-trigger .ai-label {
  font-size: 0.5rem;
  color: var(--color-gold-light);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* ===== 弹窗面板 ===== */
.ai-panel {
  position: absolute;
  right: 0;
  bottom: 80px;
  width: 400px;
  height: 560px;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-popup);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.95);
  transition: all var(--transition-normal);
}

.ai-assistant.expanded .ai-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* ===== 弹窗头部 ===== */
.ai-header {
  background: var(--color-primary);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.ai-header .ai-title {
  color: #fff;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
}

.ai-header .ai-subtitle {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.7rem;
  margin-top: 2px;
}

.ai-header .ai-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.ai-header .ai-close:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* ===== 对话展示区 ===== */
.ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--color-bg-white);
}

.ai-messages::-webkit-scrollbar {
  width: 4px;
}

.ai-messages::-webkit-scrollbar-track {
  background: transparent;
}

.ai-messages::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

/* 消息行：头像+气泡 */
.ai-msg-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  animation: bubble-in 0.3s ease;
}

@keyframes bubble-in {
  from { opacity: 0; transform: translateY(8px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* 客户消息：头像在右，气泡在左 */
.ai-msg-row.ai-msg-user {
  flex-direction: row-reverse;
}

/* 消息头像 */
.ai-msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-bg-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.ai-msg-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* AI头像有金色边框 */
.ai-msg-row.ai-msg-bot .ai-msg-avatar {
  border: 2px solid var(--color-gold);
}

/* 消息气泡 */
.ai-bubble {
  max-width: 72%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-line;
}

.ai-bubble.bot {
  background: var(--color-bg-gray);
  color: var(--color-text-main);
  border-bottom-left-radius: 4px;
}

.ai-bubble.user {
  background: var(--color-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

/* ===== 高频快捷标签 ===== */
.ai-quick-tags {
  padding: 8px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-top: 1px solid var(--color-border);
}

.ai-quick-tag {
  padding: 5px 12px;
  font-size: 0.72rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-white);
  color: var(--color-text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.ai-quick-tag:hover {
  border-color: var(--color-gold);
  background: rgba(148, 120, 73,0.06);
  color: var(--color-gold-dark);
}

/* ===== 底部输入区 ===== */
.ai-input-area {
  padding: 8px 12px;
  border-top: 1px solid var(--color-border);
}

.ai-input-row {
  display: flex;
  gap: 8px;
}

.ai-input-row input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition-fast);
}

.ai-input-row input:focus {
  border-color: var(--color-primary);
}

.ai-input-row .ai-send {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 1px solid var(--color-gold);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.ai-input-row .ai-send:hover {
  background: var(--color-btn-hover);
}

.ai-disclaimer {
  font-size: 0.65rem;
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: 8px;
}

.ai-transfer-btn {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 8px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-gold-dark);
  background: none;
  border: 1px dashed var(--color-gold);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ai-transfer-btn:hover {
  background: rgba(148, 120, 73,0.06);
  border-style: solid;
}

/* ===== 转人工咨询表单（默认隐藏） ===== */
.ai-transfer-form {
  position: absolute;
  inset: 0;
  background: var(--color-bg-white);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateX(20px);
  transition: all 0.3s ease;
  z-index: 2;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.ai-transfer-form.open {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}
.ai-transfer-header {
  background: var(--color-primary);
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
  font-weight: 600;
}
.ai-transfer-back {
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: 0.8rem;
}
.ai-transfer-back:hover { background: rgba(255,255,255,0.15); }
.ai-transfer-body {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}
.ai-transfer-body input,
.ai-transfer-body textarea {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition-fast);
}
.ai-transfer-body input:focus,
.ai-transfer-body textarea:focus {
  border-color: var(--color-primary);
}
.ai-transfer-submit {
  padding: 12px;
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.ai-transfer-submit:hover {
  background: var(--color-btn-hover);
}
.ai-transfer-note {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  text-align: center;
}

/* ===== AI助手自定义头像（填满触发按钮、紧贴圆形边缘） ===== */
.ai-trigger .ai-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-normal);
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
  .ai-assistant {
    right: 12px;
    bottom: calc(12px + env(safe-area-inset-bottom));
  }

  .ai-panel {
    width: calc(100vw - 24px);
    right: -6px;
    height: 460px;
  }
}