/* AI 树灵 · 内嵌于 index 单页 */
.ai-page { max-width: 720px; margin: 0 auto; padding: 24px 16px 48px; }
.ai-disclaimer {
  font-size: 13px; color: var(--qq-text-sub); text-align: center;
  padding: 12px 16px; margin-bottom: 16px;
  background: rgba(61,139,122,0.06); border-radius: var(--qq-radius);
  border: 1px solid rgba(61,139,122,0.12); line-height: 1.65;
}
.ai-disclaimer i { color: var(--qq-primary); margin-right: 6px; }

.ai-persona-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.ai-persona-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 14px 10px; border-radius: var(--qq-radius-lg);
  border: 1.5px solid rgba(0,0,0,0.06); background: var(--qq-card);
  cursor: pointer; transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
  box-shadow: var(--qq-shadow);
}
.ai-persona-btn:hover { transform: translateY(-2px); box-shadow: var(--qq-shadow-hover); }
.ai-persona-btn.active {
  border-color: var(--qq-primary);
  box-shadow: 0 0 0 3px rgba(61,139,122,0.12);
}
.ai-persona-avatar { font-size: 28px; line-height: 1; }
.ai-persona-name { font-size: 15px; font-weight: 700; color: var(--qq-text); }
.ai-persona-tag { font-size: 11px; color: var(--qq-text-sub); }

.ai-chat-shell {
  background: var(--qq-card); border-radius: var(--qq-radius-lg);
  border: 1px solid rgba(0,0,0,0.04); box-shadow: var(--qq-shadow);
  overflow: hidden; display: flex; flex-direction: column;
  min-height: min(68vh, 560px); max-height: 72vh;
}
.ai-chat-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px; border-bottom: 1px solid rgba(0,0,0,0.05);
  background: rgba(255,255,255,0.5); backdrop-filter: blur(8px);
}
.ai-chat-head strong { font-size: 15px; color: var(--qq-text); }
.ai-status { display: block; font-size: 11px; color: var(--qq-text-sub); font-weight: 400; margin-top: 2px; }
.ai-clear-btn {
  font-size: 12px; padding: 6px 12px; border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.08); background: transparent;
  color: var(--qq-text-sub); cursor: pointer;
}
.ai-clear-btn:hover { border-color: var(--qq-primary); color: var(--qq-primary); }
.ai-diary-actions { display: flex; gap: 6px; align-items: center; }
.ai-diary-btn {
  font-size: 11px; padding: 6px 10px; border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.08); background: rgba(61,139,122,0.06);
  color: var(--qq-primary); cursor: pointer; white-space: nowrap;
}
.ai-diary-btn:hover { background: rgba(61,139,122,0.12); }

.crisis-banner-ai {
  display: none; padding: 10px 14px; font-size: 13px; line-height: 1.6;
  background: rgba(196, 92, 92, 0.1); color: #a04040;
  border-bottom: 1px solid rgba(196, 92, 92, 0.15);
}
.crisis-banner-ai.visible { display: block; }

.ai-message-list {
  flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 14px;
  scroll-behavior: smooth;
}
.ai-msg { display: flex; gap: 10px; max-width: 100%; }
.ai-msg-user { justify-content: flex-end; }
.ai-msg-user .ai-msg-bubble {
  background: var(--qq-primary); color: #fff;
  border-bottom-right-radius: 4px;
}
.ai-msg-bot .ai-msg-bubble {
  background: rgba(61,139,122,0.08); color: var(--qq-text);
  border: 1px solid rgba(61,139,122,0.12);
  border-bottom-left-radius: 4px;
}
.ai-msg-crisis .ai-msg-bubble {
  background: rgba(196, 92, 92, 0.08); border-color: rgba(196, 92, 92, 0.2);
}
.ai-msg-avatar { font-size: 22px; line-height: 1; flex-shrink: 0; margin-top: 2px; }
.ai-msg-bubble {
  padding: 12px 14px; border-radius: 16px; font-size: 15px; line-height: 1.65;
  max-width: calc(100% - 40px); word-break: break-word;
}
.ai-msg-welcome .ai-msg-bubble { font-style: normal; opacity: 0.95; }

.ai-typing {
  display: none; align-items: center; gap: 10px; padding: 0 16px 8px;
  font-size: 13px; color: var(--qq-text-sub);
}
.ai-typing.visible { display: flex; }
.ai-typing-dots span { animation: aiDot 1.2s infinite; }
.ai-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.ai-typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes aiDot {
  0%, 60%, 100% { opacity: 0.2; }
  30% { opacity: 1; }
}

.emotion-card {
  display: none; margin: 0 16px 12px; padding: 12px 14px;
  border-radius: var(--qq-radius); background: rgba(232, 184, 74, 0.12);
  border: 1px dashed rgba(232, 184, 74, 0.35);
}
.emotion-card.visible { display: block; }
.emotion-card-label { font-size: 11px; color: var(--qq-text-sub); margin-bottom: 4px; }
.emotion-card-title { font-size: 16px; font-weight: 700; color: var(--qq-primary); margin-bottom: 4px; }
.emotion-card p { font-size: 13px; color: var(--qq-text-sub); margin: 0; line-height: 1.6; }

.ai-input-bar {
  display: flex; gap: 10px; align-items: flex-end;
  padding: 12px 14px calc(12px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid rgba(0,0,0,0.05);
  background: rgba(255,255,255,0.6); backdrop-filter: blur(10px);
}
.ai-input-bar textarea {
  flex: 1; min-height: 44px; max-height: 120px; padding: 12px 14px;
  border: 1.5px solid rgba(0,0,0,0.06); border-radius: 16px;
  font-size: 16px; line-height: 1.5; resize: none; outline: none;
  background: rgba(255,255,255,0.85); color: var(--qq-text);
}
.ai-input-bar textarea:focus {
  border-color: var(--qq-primary);
  box-shadow: 0 0 0 3px rgba(61,139,122,0.1);
}
.ai-send-btn {
  width: 44px; height: 44px; border: none; border-radius: 50%;
  background: var(--qq-primary); color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: transform 0.15s, filter 0.15s;
}
.ai-send-btn:hover:not(:disabled) { transform: scale(1.05); filter: brightness(1.05); }
.ai-send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.ai-voice-btn {
  width: 44px; height: 44px; border: 1.5px solid rgba(61,139,122,0.25);
  border-radius: 50%; background: rgba(61,139,122,0.06); color: var(--qq-primary);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.ai-voice-btn:hover:not(:disabled) { background: rgba(61,139,122,0.12); transform: scale(1.05); }
.ai-voice-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.ai-voice-btn.listening {
  background: rgba(196, 92, 92, 0.12); border-color: rgba(196, 92, 92, 0.45);
  color: #c45c5c; animation: aiVoicePulse 1.2s ease-in-out infinite;
}
@keyframes aiVoicePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(196, 92, 92, 0.35); }
  50% { box-shadow: 0 0 0 8px rgba(196, 92, 92, 0); }
}
.ai-voice-hint {
  font-size: 12px; color: var(--qq-text-sub); text-align: center;
  padding: 0 14px 10px; margin: 0;
}

.ai-msg-bubble.is-streaming { cursor: pointer; }
.ai-msg-bubble.is-streaming::after {
  content: '▍'; display: inline; animation: aiCursorBlink 0.8s step-end infinite;
  color: var(--qq-primary); margin-left: 1px;
}
@keyframes aiCursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.ai-stream-skip-hint {
  font-size: 11px; color: var(--qq-text-sub); margin-top: 6px; opacity: 0.75;
}

.ai-tips { margin-top: 20px; }
.ai-tips ul { margin-left: 18px; }

body.dark-theme .ai-chat-head { background: rgba(34,40,38,0.6); }
body.dark-theme .ai-input-bar { background: rgba(34,40,38,0.6); }
body.dark-theme .ai-input-bar textarea { background: rgba(42,48,45,0.9); }
body.dark-theme .ai-persona-btn { border-color: rgba(255,255,255,0.06); }

button.lp-ai-companion {
  border: none;
  width: 100%;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

@media (max-width: 767px) {
  .ai-chat-shell { min-height: 62vh; max-height: none; }
  .ai-page { padding-bottom: calc(32px + env(safe-area-inset-bottom, 0px)); }
}