custom_css = """
body {
    background-color: #121212;
    color: white;
}

.centered-text {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

#submit-btn, #symptom-btn, #faq-btn, #process-btn {
    background-color: #cc5500 !important;
    color: white;
    font-weight: bold;
    border-radius: 8px;
    padding: 10px 20px;
}

#explanation-box textarea {
    background-color: #1c1c1c !important;
    color: #f0f0f0 !important;
    border-radius: 10px;
    border: 1px solid #444 !important;
    font-size: 15px;
    padding: 12px;
    box-shadow: 0 0 8px rgba(0,0,0,0.4);
}

#summary-header {
    text-align: left;
    font-size: 1.4rem;
    font-weight: bold;
    color: #f2f2f2;
    margin-bottom: 10px;
}

.summary-box {
    background-color: #1f1f1f;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid #444;
    font-size: 1rem;
    color: #e0e0e0;
    line-height: 1.6;
}

.gr-markdown > div {
    background: transparent !important;
}
"""