body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(to right, #101010, #202020);
    color: #f1f1f1;
}

.gradio-container {
    max-width: 900px;
    margin: auto;
    border-radius: 16px;
    background: #181818;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    padding: 24px;
}

.gradio-chatbot {
    font-size: 1rem;
    line-height: 1.6;
}

.warning {
    color: #f87171;
    font-weight: bold;
}

details.thinking-block {
    background-color: #1e1e1e;
    border-left: 4px solid #6366f1;
    margin: 1em 0;
    padding: 0.5em 1em;
    border-radius: 8px;
    transition: all 0.3s ease;
}

details.thinking-block summary {
    cursor: pointer;
    font-weight: bold;
    color: #c4b5fd;
}

details.thinking-block[open] summary {
    color: #a78bfa;
}

.thinking-content {
    margin-top: 0.5em;
    color: #e0e0e0;
    white-space: pre-wrap;
    font-family: 'Courier New', monospace;
    font-size: 0.95em;
}