.ai-chat-panel {
    max-width: 960px;
    margin: 24px auto;
    padding: 0 20px 24px;
}

.ai-chat-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.ai-chat-header h2 { margin-top: 0; }
.ai-chat-readonly-note { color: #58636f; margin: 10px 0 16px; }

.ai-chat-messages {
    min-height: 320px;
    max-height: 56vh;
    overflow-y: auto;
    padding: 16px;
    border: 1px solid #d9dfe5;
    border-radius: 6px;
    background: #f8fafb;
}

.ai-chat-message {
    max-width: 82%;
    margin: 0 0 14px;
    padding: 10px 13px;
    border-radius: 10px;
    background: #fff;
    border: 1px solid #dfe4e8;
}

.ai-chat-message-user { margin-left: auto; background: #eaf4ff; }
.ai-chat-message-label { font-size: 12px; font-weight: 600; color: #52606d; margin-bottom: 4px; }
.ai-chat-message-text { white-space: pre-wrap; overflow-wrap: anywhere; }
.ai-chat-tool-names { margin-top: 7px; color: #6b7785; font-size: 11px; }

.ai-chat-compose { display: flex; gap: 10px; margin-top: 14px; align-items: stretch; }
.ai-chat-compose textarea { flex: 1; resize: vertical; padding: 9px; }
.ai-chat-compose button { min-width: 100px; }
.ai-chat-loading { margin-top: 8px; color: #52606d; }

@media (max-width: 640px) {
    .ai-chat-header, .ai-chat-compose { flex-direction: column; }
    .ai-chat-message { max-width: 94%; }
}