#friends {
    display: flex;
    height: calc(100vh - 60px);
    overflow: hidden;
}

#friends-list {
    width: 280px;
    min-width: 280px;
    border-right: 1px solid lime;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#friends-header {
    padding: 16px;
    border-bottom: 1px solid lime;
}

#friends-header h1 {
    margin: 0;
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

#friends-list-links {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

#friends-list-links p {
    margin: 0;
    padding: 10px 16px;
    cursor: pointer;
    border-left: 2px solid transparent;
    transition: background-color 0.15s, border-color 0.15s;
}

#friends-list-links p:hover {
    background-color: rgba(0, 255, 0, 0.1);
    border-left-color: lime;
}

#friends-messenger {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#friends-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

#friends-messages p {
    margin: 0;
    padding: 4px 0;
    word-wrap: break-word;
}

#friends-messages p:empty {
    display: none;
}

#friends-message-box {
    position: static;
    width: 100%;
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    border-top: 1px solid lime;
    box-sizing: border-box;
}

#friends-message-box textarea {
    flex: 1;
    resize: none;
    height: 40px;
    padding: 8px;
    box-sizing: border-box;
}

#friends-message-box button {
    padding: 0 20px;
    white-space: nowrap;
}

@media (max-width: 600px) {
    #friends {
        flex-direction: column;
    }

    #friends-list {
        width: 100%;
        min-width: unset;
        max-height: 200px;
        border-right: none;
        border-bottom: 1px solid lime;
    }

    #friends-message-box {
        position: static;
        width: 100%;
    }
}