@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap');

body {
    font-family: 'Inter', sans-serif;
    background-color: #f8f9fa;
}

.card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: #fff;
    border-bottom: none;
    padding: 1.5rem;
}

.card-header h1 {
    font-weight: 700;
    font-size: 1.5rem;
    color: #212529;
}

#chat-window {
    height: 400px;
    overflow-y: scroll;
    padding: 1.5rem;
}

.message {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
}

.message .sender {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.message .text {
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    max-width: 80%;
}

.message.user .text {
    background-color: #0d6efd;
    color: #fff;
    align-self: flex-end;
}

.message.bot .text {
    background-color: #e9ecef;
    color: #212529;
    align-self: flex-start;
}

.card-footer {
    background-color: #fff;
    border-top: none;
    padding: 1.5rem;
}

.form-control {
    border-radius: 1rem;
}

.btn-primary {
    border-radius: 1rem;
}