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

main.container {
    flex: 1;
}

/* Chat bubbles */
.card.bg-warning {
    border-radius: 18px 18px 4px 18px;
}
.card.bg-light {
    border-radius: 18px 18px 18px 4px;
}

/* Avatar initials badge */
.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #343a40;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.875rem;
}