#chat-box {
    position: fixed;
    bottom: 3px;
    right: 20px;
    background: white;
    border: 1px solid #ccc;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    font-family: sans-serif;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

    /* Küçültülmüş hali */
    #chat-box.minimized {
        width: 150px;
        height: 40px;
        overflow: hidden;
        cursor: pointer;
        font-size: 16px;
    }

    /* Tam açılmış hali */
    #chat-box:not(.minimized) {
        width: 650px;
        height: 500px;
        overflow: visible;
        cursor: default;
        right: 0px;
    }

#chat-header {
    background: #007bff;
    color: white;
    padding: 10px;
    font-weight: bold;
    position: relative;
    user-select: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#chat-toggle-btn {
    background: transparent;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    line-height: 1;
    padding: 0 6px;
}

    #chat-toggle-btn:hover {
        color: #ccc;
    }

#chat-body {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.chat-left {
    width: 40%;
    border-right: 1px solid #eee;
    background: #f8f8f8;
    overflow-y: auto;
    padding: 10px;
}

.chat-right {
    width: 60%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: #fff;
    padding: 10px;
}

#conversation-detail {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 10px;
    font-size: 14px;
}

#message-input {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 4px;
    outline: none;
    background: #f1f1f1;
    font-size: 14px;
    margin-right: 5px;
}

.conversation-item {
    display: flex;
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 1px solid #e0e0e0;
    cursor: pointer;
    align-items: center;
    transition: background-color 0.2s ease;
    border-radius: 6px;
    margin-bottom: 4px;
}

    .conversation-item:hover {
        background-color: #e6f0ff;
    }

    .conversation-item.active {
        background-color: #cde4ff;
        font-weight: 600;
        box-shadow: inset 3px 0 0 #007bff;
    }

    .conversation-item img {
        width: 50px;
        height: 50px;
        border-radius: 6px;
        object-fit: cover;
        flex-shrink: 0;
    }

    .conversation-item .conversation-info {
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 4px;
        overflow: hidden;
    }

        .conversation-item .conversation-info .sender-name {
            font-weight: 600;
            color: #333;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .conversation-item .conversation-info .title {
            color: #555;
            font-size: 14px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .conversation-item .conversation-info .last-date {
            font-size: 12px;
            color: #999;
            white-space: nowrap;
        }

    .conversation-item.fw-bold {
        font-weight: bold;
        background: #eef8ff;
    }