body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

.card {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.message {
    border-radius: 8px;
}

.table-primary {
    background-color: rgba(13, 110, 253, 0.1) !important;
}

#chat-messages::-webkit-scrollbar {
    width: 8px;
}

#chat-messages::-webkit-scrollbar-track {
    background: #f1f1f1;
}

#chat-messages::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

#chat-messages::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.badge {
    font-size: 0.85rem;
}

footer {
    margin-top: auto;
}