style.css

/* Custom styles for Advanced Textbook Q&A System */

/* Main container */
.main .block-container {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

/* Headings */
h1, h2, h3 {
    color: #1E88E5;
}

/* Info boxes */
.stAlert {
    background-color: #E3F2FD;
    color: #1565C0;
    border: 1px solid #1E88E5;
    padding: 1rem;
    border-radius: 0.5rem;
}

/* Buttons */
.stButton > button {
    background-color: #1E88E5;
    color: white;
    border-radius: 0.5rem;
    border: none;
    padding: 0.5rem 1rem;
    font-weight: bold;
}

.stButton > button:hover {
    background-color: #1565C0;
}

/* File uploader */
.stFileUploader {
    background-color: #E3F2FD;
    padding: 1rem;
    border-radius: 0.5rem;
    border: 1px dashed #1E88E5;
}

/* Expander */
.streamlit-expanderHeader {
    background-color: #E3F2FD;
    color: #1565C0;
    border-radius: 0.5rem;
}

/* Sidebar */
.css-1d391kg {
    background-color: #F5F5F5;
}

/* Footer */
footer {
    visibility: hidden;
}

.footer {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: #F5F5F5;
    color: #757575;
    text-align: center;
    padding: 1rem 0;
    font-size: 0.8rem;
}

/* Query History */
.stExpander {
    border: 1px solid #E0E0E0;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.stExpander > div:first-child {
    border-bottom: 1px solid #E0E0E0;
}

/* Textbook Structure */
.stExpander ul {
    list-style-type: none;
    padding-left: 1rem;
}

.stExpander li {
    margin-bottom: 0.5rem;
}