@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.typing-indicator {
    display: inline-flex;
    gap: 4px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #6b7280;
    animation: pulse 1.5s infinite ease-in-out;
}

.typing-dot:nth-child(1) {
    animation-delay: 0s;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}
.tool-call {
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.1), 0 2px 4px rgba(59, 130, 246, 0.06);
    animation: slideInUp 0.4s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tool-call:hover {
    box-shadow: 0 10px 15px rgba(59, 130, 246, 0.15), 0 4px 6px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.tool-call .text-xs {
    white-space: pre-wrap;
    font-family: 'SFMono-Regular', Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.tool-call pre {
    font-family: 'SFMono-Regular', Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    margin: 0;
    line-height: 1.4;
}
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(59, 130, 246, 0.2);
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 工具调用特殊动画 */
.tool-call-bounce {
    animation: toolCallBounce 0.6s ease-out;
}

@keyframes toolCallBounce {
    0% {
        opacity: 0;
        transform: scale(0.9) translateY(10px);
    }
    50% {
        opacity: 1;
        transform: scale(1.02) translateY(-2px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}