/* 复用主题变量，后续黑白主题可统一覆盖语义色。 */
.ai-hero { padding: 20px; border: 1px solid var(--color-border); border-radius: 24px; background: linear-gradient(135deg, var(--color-primary-soft), var(--color-surface)); box-shadow: var(--shadow-card); }
.ai-hero h3 { margin: 10px 0; font-size: 21px; }
.ai-hero p, .ai-guide { font-size: 12px; line-height: 1.85; color: var(--color-text-muted); }
.ai-state { display: inline-block; margin: 8px 0 0; padding: 5px 10px; border-radius: 99px; color: var(--color-primary-ink); background: var(--color-surface); font-size: 12px; overflow-wrap: anywhere; }
#ai-settings-form { gap: 18px; padding-bottom: 30px; }
#ai-settings-form input, #ai-settings-form select { width: 100%; min-width: 0; box-sizing: border-box; }
#ai-settings-form .setting-check { display: flex; align-items: flex-start; gap: 9px; font-size: 12px; line-height: 1.8; }
#ai-settings-form .setting-check input { flex: 0 0 17px; width: 17px; margin-top: 5px; }
.ai-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ai-actions button { min-width: 0; }
.ai-guide { padding: 14px; border: 1px dashed var(--color-border); border-radius: 18px; overflow-wrap: anywhere; }
.ai-guide summary { cursor: pointer; color: var(--color-text); }
.ai-guide code { white-space: normal; color: var(--color-primary-ink); }
#ai-diagnostics-output { max-height: 260px; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 11px; line-height: 1.7; color: var(--color-text); user-select: text; }
.conversation-title #conversation-status { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ai-local-card { padding:16px; border:1px solid var(--color-border); border-radius:20px; background:var(--color-surface); box-shadow:var(--shadow-card); }
.ai-local-card h3 { margin:0 0 10px; font-size:16px; }
#ai-local-state { display:block; color:var(--color-primary-ink); font-size:13px; font-weight:600; }
.ai-local-card p,.ai-local-card details { font-size:12px; line-height:1.85; color:var(--color-text-muted); }
.ai-local-card details { margin-top:14px; } .ai-local-card summary { cursor:pointer; color:var(--color-text); }
.chat-generation { display: flex; align-items: center; gap: 8px; padding: 6px 16px; border-top: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-primary-ink); font-size: 11px; }
.chat-generation span { flex: 1; min-width: 0; line-height: 1.6; }
.chat-generation button { flex-shrink: 0; font-size: 11px; }
.chat-performance { margin: 0; padding: 3px 16px 5px; background: var(--color-surface); color: var(--color-text-muted); font-size: 10px; overflow-wrap: anywhere; }
.live-reply .message-bubble::after { content: " ▍"; color: var(--color-primary-ink); animation: reply-caret 1.3s ease-in-out infinite; }
@keyframes reply-caret { 50% { opacity: .3; } }
@media (prefers-reduced-motion: reduce) { .live-reply .message-bubble::after { animation: none; } }