body {
    font-family: 'Inter', sans-serif;
    background-color: #f3f4f6;
    margin: 0;
    padding: 0;
}

#chat-log {
    height: 50vh;
    max-height: 500px;
    overflow-y: auto;
    scroll-behavior: smooth;
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
}

.message-box {
    max-width: 80%;
    margin-bottom: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 1.25rem;
    word-break: break-word;
}

.my-message {
    background-color: #3b82f6;
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 0.25rem;
}

.partner-message {
    background-color: #e5e7eb;
    color: #1f2937;
    align-self: flex-start;
    border-bottom-left-radius: 0.25rem;
}

@media (max-width: 640px) {
    .sm\:flex-row {
        flex-direction: column !important;
    }
    .sm\:mt-0 {
        margin-top: 0.5rem !important;
    }
    .sm\:items-center {
        align-items: flex-start !important;
    }
    #app {
        width: 100% !important;
        padding: 1rem !important;
    }
    header nav {
        padding: 0.5rem !important;
    }
}