/* chat.css */
.chatbox-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #fafafa;
    border: 1px solid #d9d9d9;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.chatbox-header {
    padding: 16px;
    background-color: #f0f5ff;
    border-bottom: 1px solid #adc6ff;
    text-align: center;
}

.chatbox-content {
    flex: 1;
    padding: 16px;
    background-color: #fff;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #91d5ff transparent;
}

.chatbox-content::-webkit-scrollbar {
    width: 8px;
}

.chatbox-content::-webkit-scrollbar-thumb {
    background-color: #91d5ff;
    border-radius: 4px;
}

.chatbox-content::-webkit-scrollbar-track {
    background: transparent;
}

.no-messages {
    color: #999;
    text-align: center;
    margin-top: 40px;
    font-size: 14px;
}

.chat-message {
    display: flex;
    align-items: flex-end;
    margin-bottom: 10px;
    gap: 8px;
    max-width: 100%;
}

.chat-message.sender {
    justify-content: flex-end;
}

.chat-message.receiver {
    justify-content: flex-start;
}

.message-bubble-wrapper {
    max-width: 75%;
}

.message-bubble {
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 14px;
    word-break: break-word;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.chat-message.sender .message-bubble {
    background-color: #69c0ff;
    color: #fff;
    border-bottom-right-radius: 0;
}

.chat-message.receiver .message-bubble {
    background-color: #e6f7ff;
    color: #000;
    border-bottom-left-radius: 0;
}

.message-time {
    font-size: 10px;
    color: #666;
    margin-top: 4px;
    text-align: right;
}

.avatar {
    flex-shrink: 0;
    user-select: none;
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.1);
}

.chatbox-footer {
    display: flex;
    padding: 12px;
    border-top: 1px solid #f0f0f0;
    background-color: #fff;
    gap: 8px;
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    border-radius: 8px;
    resize: none;
}

.send-btn {
    min-width: 80px;
    border-radius: 8px;
    height: 44px;
}

.emoji-btn {
    background: white;
    border: none;
    padding: 6px;
    border-radius: 8px;
    color: #666;
    font-size: 18px;
    cursor: pointer;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.emoji-btn:hover {
    background-color: #f0f0f0;
    color: #333;
}

.emoji-picker {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 6px;
    padding: 10px;
    width: 280px;
    max-height: 260px;
    overflow-y: auto;
}

.emoji-item {
    font-size: 20px;
    padding: 4px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
}

.emoji-item:hover {
    transform: scale(1.2);
    background: #f0f9ff;
    border-radius: 4px;
}

.emoji-popover .ant-popover-inner {
    padding: 0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.emoji-popover .ant-popover-title {
    padding: 8px;
    border-bottom: 1px solid #f0f0f0;
    font-weight: bold;
    background-color: #f9f9f9;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .chatbox-container {
        border-radius: 0;
        border: none;
    }

    .chatbox-header {
        padding: 12px;
    }

    .chatbox-content {
        padding: 12px;
    }

    .message-bubble-wrapper {
        max-width: 85%;
    }

    .chatbox-footer {
        padding: 8px;
        gap: 6px;
    }

    .emoji-picker {
        width: 240px;
        grid-template-columns: repeat(7, 1fr);
    }

    .send-btn {
        min-width: 60px;
        height: 40px;
    }

    .emoji-btn {
        height: 40px;
    }
}