* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    display: flex;
    min-height: 100vh;
    background-color: #f5f7fa;
    color: #333;
}

.wrapper {
    flex: 0 0 250px;
}
/*侧边栏核心样式*/
.sidebar {
    background-color: #2c3e50;
    color: white;
    height: 100vh;
    transition: all 0.3s ease;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}

.sidebar-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

/*菜单切换按钮样式*/
.menu-toggle {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
}
/*侧边栏菜单样式*/
.sidebar-menu {
    list-style: none;
    margin-top: 1rem;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: #ecf0f1;
    text-decoration: none;
    transition: background-color 0.3s;
}

.sidebar-menu li a i {
    margin-right: 0.8rem;
    width: 20px;
    text-align: center;
}

.sidebar-menu li a:hover {
    background-color: #34495e;
}


/*顶栏样式*/
.topbar {
    background-color: white;
    padding: 1.2rem 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    /* 关键：设置为flex容器实现横向横向排列子元素 */
    display: flex;
    align-items: center; /* 垂直方向居中对齐 */
    justify-content: space-between; /* 左右元素分散对齐 */
    position: fixed; /* 固定在页面顶部 */
    top: 0;
    left: 250px;
    width: 100%;
    right: 0; /* 确保顶栏占满整个宽度 */
    z-index: 999; /* 避免被其他内容遮挡 */
    height: 80px; /* 固定顶栏总高度 */
    align-items: center; /* 确保内部元素垂直居中 */
    overflow: hidden; /* 防止内部元素撑开高度 */
}

.topbar-left {
    display: flex;
    /* 改为横向排列（默认就是row，可省略） */
    flex-direction: row;
    gap: 1.5rem; /* 横向间距适当调大 */
    align-items: center; /* 子元素垂直居中 */
}

/* 固定顶栏显示区域高度，防止输入时高度变化 */
#committee-name, #agenda-display {
    height: 50px; /* 根据实际字体大小设置合适高度 */
    line-height: 24px; /* 与高度一致，确保垂直居中 */
    white-space: nowrap; /* 禁止文本换行 */
    overflow: hidden; /* 超出部分隐藏（可选） */
    text-overflow: ellipsis; /* 超出显示省略号（可选） */
    min-width: 0; /* 解决flex容器下内容不收缩问题 */
}

/* 可选：固定输入框高度 */
#committeeInput, #agendaInput {
    height: 48px; /* 固定输入框高度 */
    line-height: 36px;
    padding: 0 12px; /* 调整内边距避免文字拥挤 */
    box-sizing: border-box;
}

/*主内容区容器样式*/
.main-content {
    position: fixed; /* 关键：使top属性生效 */
    top: 80px;
    width: 100%;
    left: 250px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 整体布局 */
.main-content {
    display: flex;
    justify-content: space-between;
    padding: 20px;
    box-sizing: border-box;
}

/* 左右分栏布局 */
.main-layout {
    display: flex;
    width: 100%;
}

/* 左侧区域 */
.left-section {
    width: 50%;
    padding-right: 20px;
    box-sizing: border-box;
}

/* 右侧区域 */
.right-section {
    width: 50%;
    padding-left: 20px;
    box-sizing: border-box;
}

/*表单区域*/
.meeting-settings {
    padding: 2rem;
    background-color: white;
    margin: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    top: 120px;
    width: 50%;
}

.input-section {
    margin-bottom: 1.5rem;
}

.input-section label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c3e50;
}

.input-section input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.input-section input:focus {
    outline: none;
    border-color: #3498db;
}

/* 按钮区域样式调整 */
/* 新增：标题样式，与按钮对齐 */
.settings-title {
    margin: 0; /* 清除默认外边距 */
    font-size: 1.5rem; /* 大字效果 */
    color: #2c3e50; /* 与表单标题风格统一 */
    display: flex;
    align-items: center; /* 与按钮垂直居中对齐 */
}

/* 修改：按钮区域布局，让标题和按钮在一行 */
.action-buttons {
    padding: 1.5rem 2rem 0; /* 调整顶部间距，与表单区域呼应 */
    display: flex;
    gap: 2rem; /* 加大标题和按钮的间距 */
    align-items: center; /* 垂直居中对齐 */
}

.action-buttons {
    padding: 1.5rem 2rem 0; /* 顶部间距与表单保持一致，取消底部padding */
    display: flex;
    gap: 1rem; /* 按钮之间的间距 */
    justify-content: flex-start; /* 按钮左对齐（可选，根据需求调整） */
}

/* 保持按钮原有样式，无需修改 */
#reset {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    background-color: #e74c3c; /* 红色背景 */
    color: white; /* 白色文字 */

}
#reset:hover {
  background-color: #c0392b; /*  hover 时加深红色 */
}


/* 新增国家容器整体样式 */
.add-country-container {
    background-color: white;
    padding: 1.5rem 2rem;
    margin: 0 1.5rem 1.5rem; /* 与上方会议设置容器保持间距，左右对齐 */
    border-radius: 8px;
    width: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* 新增国家标题样式 */
.add-country-title {
    color: #2c3e50;
    font-size: 1.2rem;
    margin-bottom: 1rem; /* 与输入框保持距离 */
    font-weight: 600;
}

/* 输入框组样式 */
.add-country-input-group {
    display: flex;
    align-items: center;
}

/* 输入框样式（复用部分已有样式，补充调整） */
#new-country-input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

#new-country-input:focus {
    outline: none;
    border-color: #3498db; /* 与其他输入框保持一致的聚焦效果 */
}
/* 输入框组布局调整（容纳按钮） */
.add-country-input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem; /* 输入框与按钮间距 */
}

/* 加号按钮样式 */
.add-btn {
    width: 48px; /* 与输入框高度匹配 */
    height: 48px;
    border: none;
    border-radius: 4px;
    background-color:#e7e7e7;
    color: white;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.add-btn:hover {
  background-color: #00AC6A; /*  hover 加深 */
}

/* 输入框宽度调整（避免按钮挤压） */
#new-country-input {
  flex: 1; /* 占满剩余宽度 */
}


/* 国家列表容器 */
.country-list-container {
    background-color: white;
    padding: 2rem;
    margin: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    width: 50%;
}

/* 列表头部布局 */
.country-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.country-list-title, .add-country-title {
    color: #2c3e50;
    font-weight: 500;
    margin: 0;
}

/* 搜索框样式 */
.search-box input {
    width: 240px;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.search-box input:focus {
    outline: none;
    border-color: #3498db;
}

/* 国家列表滚动区域 */
.draggable-list {
    border-top: 1px solid #f1f1f1;
    padding-top: 1rem;
    max-height: 600px;
    overflow-y: auto;
    scroll-behavior: smooth; 
}

/* 国家项样式 */
.country-item {
    display: flex;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid #f1f1f1;
    cursor: grab;
    transition: background-color 0.2s;
}

.country-item:hover {
    background-color: #f9f9f9;
}

/* 国旗样式 */
.country-flag {
    width: 24px;
    height: 16px;
    margin-right: 8px;
    vertical-align: middle;
}
.country-name {
    flex: 1;
    font-size: 1rem;
    color: #333;
}

/* 新增国家区域 */
.add-country-container {
    background-color: white;
    padding: 2rem;
    margin: 0 1.5rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.add-country-input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

#new-country-input {
    flex: 1;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

/* 添加按钮样式补充 */
.add-btn {
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.add-btn:hover {
  background-color: #00AC6A; /*  hover 加深 */
}


/* 应出席国家容器 */
.attending-countries-container {
    display: flex;
    flex-direction: column; /* 使项垂直排列 */
    gap: 1rem; /* 项目之间的间距 */
    padding: 1.5rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin: 1.5rem;
    width: 50%;
}

/* 应出席国家项样式 */
.attending-country-item {
    display: flex;
    justify-content: space-between; /* 让内容两端对齐 */
    align-items: center;
    padding: 0.8rem 1.2rem;
    background-color: #f7f7f7;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #333;
    font-size: 1rem;
    cursor: default;
    transition: background-color 0.3s;
    margin: 0.5rem;
    width: 100%; /* 使项占满整行 */
}

.attending-country-item:hover {
    background-color: #ecf0f1;
}

/* 国旗样式 */
.attending-country-item .country-flag {
    width: 36px; /* 控制国旗大小 */
    height: 24px;
    object-fit: cover; /* 保证国旗按比例显示 */
    margin-right: 1rem; /* 国旗和国名之间的间距 */
}

/* 删除按钮样式 */
.attending-country-item .remove-btn {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: background-color 0.3s;
    margin-left: 0.8rem;
}

.attending-country-item .remove-btn:hover {
    background-color: #c0392b;
}

.country-item, .attending-country-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    margin-bottom: 6px;
    border: 1px solid #ccc;
    border-radius: 6px;
    background-color: #f9f9f9;
}

.flag-icon {
    width: 24px;
    height: 16px;
    margin-right: 8px;
}

.add-btn, .remove-btn {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
}