/**
 * 自定义后台主题样式
 * 主题色: #3A4E6D (深蓝灰)
 * 辅助色: #BFCDE1 (浅蓝灰)
 */

:root {
    --primary-color: #3A4E6D;
    --primary-light: #4A6080;
    --primary-dark: #2C3E50;
    --secondary-color: #BFCDE1;
    --accent-color: #67C23A;
    --danger-color: #F56C6C;
    --warning-color: #E6A23C;
    --info-color: #909399;
    --bg-color: #F0F3F7;
    --card-bg: #FFFFFF;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border-color: #E4E7ED;
}

/* ==================== 全局样式 ==================== */
body {
    background-color: var(--bg-color) !important;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
a { color: var(--primary-color); }
a:hover { color: var(--primary-light); }

/* ==================== 按钮样式 ==================== */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    border: none !important;
    box-shadow: 0 4px 12px rgba(58, 78, 109, 0.3);
    transition: all 0.3s ease;
}
.btn-primary:hover, .btn-primary:focus {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%) !important;
    box-shadow: 0 6px 16px rgba(58, 78, 109, 0.4);
}
.btn-success { background: linear-gradient(135deg, var(--accent-color) 0%, #5daf34 100%) !important; border: none !important; }
.btn-info { background: linear-gradient(135deg, var(--secondary-color) 0%, #a8b9d1 100%) !important; border: none !important; color: var(--primary-color) !important; }
.btn-danger { background: linear-gradient(135deg, var(--danger-color) 0%, #e04040 100%) !important; border: none !important; }
.btn-warning { background: linear-gradient(135deg, var(--warning-color) 0%, #d4912e 100%) !important; border: none !important; }

/* ==================== 表格样式 ==================== */
.table { 
    background: var(--card-bg); 
    border-radius: 8px; 
    overflow: hidden;
    border-collapse: separate !important;
    border-spacing: 0 !important;
}
.table > thead > tr > th {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    color: #fff !important;
    border: none !important;
    font-weight: 500;
    padding: 15px 16px;
    font-size: 13px;
    letter-spacing: 0.5px;
    text-transform: none;
    white-space: nowrap;
}
.table > thead > tr > th:first-child { border-radius: 8px 0 0 0; }
.table > thead > tr > th:last-child { border-radius: 0 8px 0 0; }
.table > tbody > tr > td { 
    border-color: var(--border-color) !important; 
    padding: 14px 16px; 
    vertical-align: middle;
    font-size: 13px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color) !important;
    border-top: none !important;
    border-left: none !important;
    border-right: none !important;
}
.table > tbody > tr:last-child > td { border-bottom: none !important; }
.table > tbody > tr:hover { 
    background-color: rgba(58, 78, 109, 0.04) !important;
    transition: background-color 0.2s ease;
}
.table > tbody > tr:nth-child(even) { background-color: rgba(0, 0, 0, 0.015); }
.table > tbody > tr:nth-child(even):hover { background-color: rgba(58, 78, 109, 0.04) !important; }

/* 表格复选框样式 */
.table .bs-checkbox { width: 40px; }
.table .bs-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* 表格操作按钮 */
.table .btn-group .btn {
    padding: 5px 10px;
    font-size: 12px;
    border-radius: 4px !important;
    margin: 0 2px;
}
.table .btn-xs {
    padding: 4px 8px;
    font-size: 11px;
}

/* 表格内标签样式 */
.table .label {
    padding: 5px 10px;
    font-size: 11px;
    font-weight: 500;
    border-radius: 4px;
    display: inline-block;
}

/* 表格排序图标 */
.table th .sortable { cursor: pointer; }
.table th.sortable:hover { background: rgba(255, 255, 255, 0.1) !important; }
.table th .order { margin-left: 5px; }

/* 空数据提示 */
.table .no-records-found td {
    padding: 40px 20px !important;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

/* 表格加载动画 */
.bootstrap-table .fixed-table-loading {
    background: rgba(255, 255, 255, 0.9);
}
.bootstrap-table .fixed-table-loading .loading-text {
    color: var(--primary-color);
    font-size: 14px;
}

/* ==================== 分页样式 ==================== */
.pagination > li > a, .pagination > li > span {
    color: var(--primary-color);
    border-color: var(--border-color);
    margin: 0 3px;
    border-radius: 6px !important;
    padding: 8px 14px;
}
.pagination > li > a:hover { background: var(--secondary-color); border-color: var(--secondary-color); }
.pagination > .active > a, .pagination > .active > span {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    border-color: var(--primary-color) !important;
    color: #fff !important;
}

/* ==================== 面板样式 ==================== */
.panel { border: none; border-radius: 12px; box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08); }
.panel-default > .panel-heading {
    background: linear-gradient(135deg, #fff 0%, var(--bg-color) 100%);
    border-bottom: 1px solid var(--border-color);
    border-radius: 12px 12px 0 0;
}

/* ==================== 表单样式 ==================== */
.form-control {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 14px;
    transition: all 0.3s ease;
}
.form-control:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(58, 78, 109, 0.1); }
.input-group-addon { background: var(--bg-color); border-color: var(--border-color); color: var(--primary-color); }


/* ==================== 左侧菜单整体 ==================== */
.main-sidebar,
.left-side,
aside.main-sidebar {
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
}
.main-sidebar .sidebar,
.sidebar {
    background: transparent !important;
}
.main-sidebar .logo,
.main-header .logo {
    background: var(--primary-dark) !important;
    color: #fff !important;
}

/* ==================== 侧边栏菜单样式 ==================== */
.sidebar-menu {
    background: transparent !important;
}
.sidebar-menu > li {
    margin: 2px 8px;
}
.sidebar-menu > li > a {
    color: rgba(255, 255, 255, 0.85) !important;
    border-radius: 8px !important;
    border-left: 3px solid transparent !important;
    transition: all 0.3s ease !important;
    margin: 2px 0;
}
.sidebar-menu > li > a:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: #fff !important;
}
.sidebar-menu > li.active > a,
.sidebar-menu > li.menu-open > a {
    background: rgba(255, 255, 255, 0.15) !important;
    color: #fff !important;
    border-left-color: var(--secondary-color) !important;
}
.sidebar-menu > li > a > .fa,
.sidebar-menu > li > a > i {
    color: rgba(255, 255, 255, 0.7) !important;
    margin-right: 10px;
}
.sidebar-menu > li.active > a > .fa,
.sidebar-menu > li.active > a > i,
.sidebar-menu > li:hover > a > .fa,
.sidebar-menu > li:hover > a > i {
    color: #fff !important;
}

/* 子菜单样式 */
.sidebar-menu > li > .treeview-menu,
.sidebar-menu .treeview-menu {
    background: rgba(0, 0, 0, 0.2) !important;
    border-radius: 0 0 8px 8px !important;
    margin: 0 0 5px 0 !important;
    padding: 8px 0 !important;
}
.sidebar-menu .treeview-menu > li > a {
    color: rgba(255, 255, 255, 0.7) !important;
    padding: 10px 15px 10px 50px !important;
    border-radius: 6px !important;
    margin: 2px 10px !important;
    transition: all 0.3s ease !important;
}
.sidebar-menu .treeview-menu > li > a:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.1) !important;
}
.sidebar-menu .treeview-menu > li.active > a {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.15) !important;
}

/* 菜单分组标题 */
.sidebar-menu li.header {
    color: rgba(255, 255, 255, 0.4) !important;
    background: transparent !important;
    font-size: 11px !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 15px 15px 8px !important;
}

/* ==================== 用户面板 ==================== */
.user-panel {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}
.user-panel .pull-left.image img {
    border: 2px solid rgba(255, 255, 255, 0.3) !important;
}
.user-panel .pull-left.info,
.user-panel .pull-left.info a {
    color: #fff !important;
}

/* ==================== 顶部导航 ==================== */
.navbar,
.main-header .navbar {
    background: var(--card-bg) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06) !important;
}
.navbar .nav > li > a { color: var(--text-primary) !important; }
.navbar .nav > li > a:hover { color: var(--primary-color) !important; background: var(--bg-color) !important; }

/* ==================== 内容区域 ==================== */
.content-wrapper {
    background: var(--bg-color) !important;
}


/* ==================== Layer弹窗样式 ==================== */
.layui-layer {
    border-radius: 12px !important;
    overflow: hidden !important;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2) !important;
}
.layui-layer-title {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    color: #fff !important;
    border: none !important;
    height: 50px !important;
    line-height: 50px !important;
    font-size: 15px !important;
    font-weight: 500 !important;
    padding: 0 80px 0 20px !important;
}
.layui-layer-setwin {
    top: 17px !important;
}
.layui-layer-setwin a {
    background: none !important;
}
.layui-layer-setwin .layui-layer-close1 {
    background-position: 1px -40px !important;
    filter: brightness(0) invert(1) !important;
    opacity: 0.8 !important;
}
.layui-layer-setwin .layui-layer-close1:hover {
    opacity: 1 !important;
}
.layui-layer-content {
    background: #fff !important;
}
.layui-layer-btn {
    background: #fff !important;
    border-top: 1px solid var(--border-color) !important;
    padding: 12px 15px !important;
}
.layui-layer-btn a {
    height: 36px !important;
    line-height: 36px !important;
    padding: 0 20px !important;
    border-radius: 6px !important;
    font-size: 14px !important;
    transition: all 0.3s ease !important;
}
.layui-layer-btn .layui-layer-btn0 {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    border-color: var(--primary-color) !important;
    color: #fff !important;
}
.layui-layer-btn .layui-layer-btn0:hover {
    box-shadow: 0 4px 12px rgba(58, 78, 109, 0.4) !important;
}
.layui-layer-btn .layui-layer-btn1 {
    background: var(--bg-color) !important;
    border-color: var(--border-color) !important;
    color: var(--text-secondary) !important;
}
.layui-layer-btn .layui-layer-btn1:hover {
    background: var(--border-color) !important;
}

/* Layer对话框图标 */
.layui-layer-dialog .layui-layer-content {
    padding: 25px 25px 15px 70px !important;
}

/* Layer iframe弹窗 */
.layui-layer-iframe .layui-layer-content {
    overflow: hidden !important;
}

/* Layer提示框 */
.layui-layer-msg {
    border-radius: 8px !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15) !important;
}
.layui-layer-hui {
    background-color: rgba(0, 0, 0, 0.7) !important;
    border-radius: 8px !important;
}

/* ==================== Bootstrap Modal弹窗 ==================== */
.modal-content {
    border: none !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2) !important;
}
.modal-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    color: #fff !important;
    border: none !important;
    padding: 15px 20px !important;
}
.modal-header .modal-title {
    color: #fff !important;
    font-weight: 500 !important;
}
.modal-header .close {
    color: #fff !important;
    opacity: 0.8 !important;
    text-shadow: none !important;
}
.modal-header .close:hover {
    opacity: 1 !important;
}
.modal-body {
    padding: 20px !important;
}
.modal-footer {
    border-top: 1px solid var(--border-color) !important;
    padding: 15px 20px !important;
}

/* ==================== Toastr提示 ==================== */
.toast { border-radius: 8px !important; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15) !important; }
.toast-success { background: var(--accent-color) !important; }
.toast-error { background: var(--danger-color) !important; }
.toast-warning { background: var(--warning-color) !important; }
.toast-info { background: var(--primary-color) !important; }

/* ==================== 下拉菜单 ==================== */
.dropdown-menu {
    border: none !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12) !important;
    padding: 8px 0 !important;
}
.dropdown-menu > li > a {
    padding: 10px 20px !important;
    transition: all 0.3s ease !important;
}
.dropdown-menu > li > a:hover {
    background: var(--bg-color) !important;
    color: var(--primary-color) !important;
}

/* ==================== 标签/徽章 ==================== */
.label-primary, .badge-primary { background: var(--primary-color) !important; }
.label-success, .badge-success { background: var(--accent-color) !important; }
.label-danger, .badge-danger { background: var(--danger-color) !important; }
.label-warning, .badge-warning { background: var(--warning-color) !important; }
.label-info, .badge-info { background: var(--secondary-color) !important; color: var(--primary-color) !important; }

/* ==================== Bootstrap Table ==================== */
.bootstrap-table .fixed-table-container { 
    border: none !important; 
    border-radius: 12px !important; 
    overflow: hidden !important;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}
.bootstrap-table .fixed-table-toolbar { 
    padding: 16px 20px !important; 
    background: var(--card-bg) !important;
    border-bottom: 1px solid var(--border-color);
}
.bootstrap-table .fixed-table-toolbar .search input {
    border-radius: 6px !important;
    border: 1px solid var(--border-color) !important;
    padding: 8px 12px !important;
    font-size: 13px;
}
.bootstrap-table .fixed-table-toolbar .search input:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(58, 78, 109, 0.1) !important;
}
.bootstrap-table .fixed-table-pagination { 
    padding: 16px 20px !important; 
    background: var(--card-bg) !important;
    border-top: 1px solid var(--border-color);
}
.bootstrap-table .fixed-table-pagination .pagination-info {
    color: var(--text-secondary);
    font-size: 13px;
}
.bootstrap-table .fixed-table-pagination .page-list {
    display: flex;
    align-items: center;
    gap: 8px;
}
.bootstrap-table .fixed-table-pagination .page-list .btn-group .btn {
    border-radius: 6px !important;
    padding: 6px 12px;
    font-size: 13px;
}

/* 表格工具栏按钮组 */
.bootstrap-table .fixed-table-toolbar .columns,
.bootstrap-table .fixed-table-toolbar .export {
    margin-left: 8px;
}
.bootstrap-table .fixed-table-toolbar .btn-group .btn {
    border-radius: 6px !important;
    padding: 8px 12px;
}

/* 表格详情展开行 */
.bootstrap-table .detail-view {
    background: var(--bg-color) !important;
}
.bootstrap-table .detail-view td {
    padding: 20px !important;
}

/* 卡片视图 */
.bootstrap-table .card-view {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}
.bootstrap-table .card-view:last-child {
    border-bottom: none;
}
.bootstrap-table .card-view .card-view-title {
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 100px;
}
.bootstrap-table .card-view .card-view-value {
    color: var(--text-primary);
}

/* ==================== 滚动条美化 ==================== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-color); border-radius: 4px; }
::-webkit-scrollbar-thumb { background: var(--secondary-color); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-color); }


/* ==================== 工具栏搜索表单 ==================== */
#toolbar .form-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}
#toolbar .form-group {
    margin: 0 !important;
}
#toolbar .form-control {
    min-width: 150px;
    height: 38px;
    font-size: 13px;
}
#toolbar select.form-control {
    min-width: 120px;
}
#toolbar .btn {
    height: 38px;
    padding: 0 16px;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
#toolbar .btn i {
    font-size: 12px;
}

/* ==================== 面板标题优化 ==================== */
.panel-intro .panel-heading {
    padding: 20px 24px;
}
.panel-intro .panel-lead {
    font-size: 14px;
    color: var(--text-secondary);
}
.panel-intro .panel-lead em {
    font-style: normal;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 18px;
    margin-right: 8px;
}
.panel-intro .panel-body {
    padding: 20px 24px;
}

/* ==================== 状态标签美化 ==================== */
.label-success {
    background: linear-gradient(135deg, #67C23A 0%, #5daf34 100%) !important;
    box-shadow: 0 2px 6px rgba(103, 194, 58, 0.3);
}
.label-info {
    background: linear-gradient(135deg, #409EFF 0%, #3a8ee6 100%) !important;
    color: #fff !important;
    box-shadow: 0 2px 6px rgba(64, 158, 255, 0.3);
}
.label-warning {
    background: linear-gradient(135deg, #E6A23C 0%, #d4912e 100%) !important;
    box-shadow: 0 2px 6px rgba(230, 162, 60, 0.3);
}
.label-danger {
    background: linear-gradient(135deg, #F56C6C 0%, #e04040 100%) !important;
    box-shadow: 0 2px 6px rgba(245, 108, 108, 0.3);
}
.label-default {
    background: linear-gradient(135deg, #909399 0%, #7d8085 100%) !important;
    color: #fff !important;
}

/* ==================== 表格内图片 ==================== */
.table img.img-sm {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid var(--border-color);
}
.table img.img-md {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

/* ==================== 表格内链接 ==================== */
.table a {
    color: var(--primary-color);
    text-decoration: none;
}
.table a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* ==================== 表格操作列 ==================== */
.table .operate {
    white-space: nowrap;
}
.table .operate .btn {
    margin: 0 3px;
    padding: 5px 10px;
    font-size: 12px;
    border-radius: 4px;
    transition: all 0.2s ease;
}
.table .operate .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.table .operate .btn-editone {
    background: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: #fff !important;
}
.table .operate .btn-delone {
    background: var(--danger-color) !important;
    border-color: var(--danger-color) !important;
    color: #fff !important;
}

/* ==================== 响应式表格 ==================== */
@media (max-width: 768px) {
    #toolbar .form-inline {
        flex-direction: column;
        align-items: stretch;
    }
    #toolbar .form-control {
        width: 100%;
    }
    .table > thead > tr > th,
    .table > tbody > tr > td {
        padding: 10px 12px;
        font-size: 12px;
    }
}


/* 客服悬浮按钮样式 */
.chat-float-btn {
    position: fixed;
    right: 20px;
    bottom: 80px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3A4E6D, #2C3E50);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(58, 78, 109, 0.4);
    z-index: 9999;
    transition: transform 0.3s, box-shadow 0.3s;
}
.chat-float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(58, 78, 109, 0.5);
}
.chat-float-btn i {
    color: #fff;
    font-size: 22px;
    line-height: 1;
}
.chat-float-btn .chat-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4d4f;
    color: #fff;
    font-size: 10px;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    border-radius: 9px;
    padding: 0 4px;
}
.chat-modal {
    position: fixed;
    right: 20px;
    bottom: 140px;
    width: 380px;
    height: 520px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    z-index: 10001;
    display: none;
    flex-direction: column;
    overflow: hidden;
}
.chat-modal-header {
    background: linear-gradient(135deg, #3A4E6D, #2C3E50);
    color: #fff;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.chat-close-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    opacity: 0.8;
    line-height: 1;
}
.chat-close-btn:hover { opacity: 1; }
.chat-status {
    font-size: 12px;
    display: flex;
    align-items: center;
    margin-top: 5px;
}
.chat-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 5px;
    background: #999;
}
.chat-dot.online { background: #52c41a; }
.chat-toggle-btn {
    margin-left: 10px;
    background: rgba(255,255,255,0.2);
    border: none;
    color: #fff;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    cursor: pointer;
}
.chat-modal-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.chat-modal-tabs {
    display: flex;
    border-bottom: 1px solid #e8e8e8;
    background: #fafafa;
}
.chat-tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    font-size: 13px;
    color: #666;
}
.chat-tab.active {
    color: #3A4E6D;
    font-weight: 500;
    background: #fff;
}
.chat-tab-badge {
    background: #ff4d4f;
    color: #fff;
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 10px;
    margin-left: 3px;
}
.chat-session-list {
    flex: 1;
    overflow-y: auto;
}
.chat-session-item {
    display: flex;
    padding: 12px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
}
.chat-session-item:hover { background: #f5f5f5; }
.chat-session-item .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 10px;
}
.chat-session-item .info {
    flex: 1;
    overflow: hidden;
}
.chat-session-item .info .name {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 3px;
}
.chat-session-item .info .msg {
    font-size: 12px;
    color: #999;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chat-session-item .unread {
    background: #ff4d4f;
    color: #fff;
    font-size: 10px;
    min-width: 16px;
    height: 16px;
    line-height: 16px;
    text-align: center;
    border-radius: 8px;
}
.chat-empty-tip {
    padding: 40px;
    text-align: center;
    color: #999;
    font-size: 13px;
}
.chat-conversation {
    flex: 1;
    display: none;
    flex-direction: column;
}
.chat-conv-header {
    padding: 10px 15px;
    border-bottom: 1px solid #e8e8e8;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.chat-back-btn {
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 5px;
}
.chat-end-btn {
    background: #ff4d4f;
    color: #fff;
    border: none;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}
.chat-messages-area {
    flex: 1;
    padding: 10px;
    overflow-y: auto;
    background: #f5f5f5;
}
.chat-msg-item {
    display: flex;
    margin-bottom: 10px;
}
.chat-msg-item.right { flex-direction: row-reverse; }
.chat-msg-item .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    margin: 0 8px;
}
.chat-msg-item .bubble {
    max-width: 65%;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.4;
    word-break: break-all;
}
.chat-msg-item.left .bubble { background: #fff; }
.chat-msg-item.right .bubble { background: #3A4E6D; color: #fff; }
.chat-msg-item.system { justify-content: center; }
.chat-msg-item.system .bubble {
    background: rgba(0,0,0,0.05);
    color: #999;
    font-size: 11px;
    padding: 4px 10px;
}
.chat-input-wrap {
    padding: 10px;
    border-top: 1px solid #e8e8e8;
    display: flex;
}
.chat-input-wrap textarea {
    flex: 1;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    padding: 8px;
    resize: none;
    height: 50px;
    font-size: 13px;
}
.chat-send-btn {
    margin-left: 8px;
    background: #3A4E6D;
    color: #fff;
    border: none;
    padding: 0 15px;
    border-radius: 4px;
    cursor: pointer;
}