.chat-container {
    display: flex;
    max-width: 1000px;
    margin: 20px auto;
    height: calc(100vh - 60px);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

#chatContainer {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #f4f4f5;
}

#chatHeader {
    background: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    padding: 12px 16px;
    font-size: 16px;
    font-weight: 600;
    color: #262626;
}

#chat {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    gap: 8px;
}

.msg {
    max-width: 70%;
    border-radius: 18px;
    padding: 8px 12px;
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
    display: inline-flex;
}

.msg-header {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    margin-bottom: 2px;
}

.msg-sender {
    font-weight: 600;
}

.msg-time {
    color: #707579;
}

.msg-foreign {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    color: #262626;
    align-self: flex-start;
    margin-right: auto;
}

.msg-foreign .msg-sender {
    color: #007acc;
}

.msg-my {
    background: #229ed9;
    color: #ffffff;
    border: 1px solid #007acc;
    align-self: flex-end;
    margin-left: auto;
}

.msg-my .msg-time,
.msg-my .msg-sender {
    color: rgba(255, 255, 255, 0.9);
}