/* ============================================================
   core.css - 全局核心样式（重构版 v5）
   配色：莫兰迪色系，白底，极淡无感边框
   导航栏：宽屏呼吸缩起 + 悬浮展开 + 选中凹陷；窄屏底部均匀分布
   ============================================================ */

:root {
    /* ===== 主色 ===== */
    --color-primary: #2563EB;
    --color-primary-light: #3B82F6;
    --color-primary-dark: #1D4ED8;
    --color-primary-bg: #EFF6FF;

    /* ===== 功能色 ===== */
    --color-success: #22C55E;
    --color-success-dark: #16A34A;
    --color-danger: #EF4444;
    --color-danger-dark: #DC2626;
    --color-warning: #F59E0B;
    --color-warning-dark: #D97706;
    --color-info: #3B82F6;

    /* ===== 中性色 ===== */
    --color-bg: #FFFFFF;
    --color-bg-white: #FFFFFF;
    --color-surface: #F8FAFC;
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;
    --color-border-hover: #CBD5E1;
    --color-text: #111827;
    --color-text-secondary: #475569;
    --color-text-muted: #94A3B8;

    /* ===== 导航栏专用 ===== */
    --sidebar-width-collapsed: 60px;
    --sidebar-width-expanded: 220px;
    --sidebar-bg: #1E293B;
    --sidebar-bg-light: #F8FAFC;

    /* ===== 阴影 ===== */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);

    /* ===== 圆角 ===== */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* ===== 过渡 ===== */
    --transition: 0.2s ease;
    --transition-smooth: 0.6s cubic-bezier(0.3, 0.4, 0.9, 1.05);
}

/* ===== 重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-primary-dark);
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* ============================================================
   1. 布局容器
   ============================================================ */

.app-container {
    display: flex;
    height: 100vh;
    width: 100%;
    overflow: hidden;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    overflow: hidden;
    min-width: 0;
    margin-left: var(--sidebar-width-collapsed);
    transition: margin-left var(--transition-smooth);
}

/* ============================================================
   2. 顶部栏
   ============================================================ */

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 28px;
    background: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border-light);
    flex-shrink: 0;
    min-height: 52px;
}

.content-header h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.content-header h1::before {
    content: '';
    display: inline-block;
    width: 3px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 2px;
    flex-shrink: 0;
}

.content-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px 28px;
    background: var(--color-bg);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.username {
    font-size: 14px;
    color: var(--color-text-secondary);
    background: var(--color-surface);
    padding: 4px 12px;
    border-radius: 16px;
    border: 1px solid var(--color-border-light);
    font-weight: 500;
}

.role-badge {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.role-badge.admin {
    background: var(--color-primary);
    color: #fff;
}

.role-badge.subadmin {
    background: var(--color-primary-light);
    color: #fff;
}

.role-badge.interviewer {
    background: var(--color-success);
    color: #fff;
}

/* ============================================================
   3. 侧边栏 - 宽屏：呼吸缩起 + 悬浮展开 + 图层区分
   ============================================================ */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width-collapsed);
    background: linear-gradient(165deg, var(--sidebar-bg) 0%, #0F172A 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    overflow: hidden;
    border-radius: 0;
    border-right: 1px solid rgba(255, 255, 255, 0.02);

    /* 过渡：宽度 + 阴影 + 滤镜 */
    transition: width var(--transition-smooth), box-shadow var(--transition-smooth), filter var(--transition-smooth);
    will-change: transform, width, box-shadow;

    /* 缩起时阴影极淡 */
    box-shadow: 0 0 0 rgba(0, 0, 0, 0);

    /* ===== 呼吸脉冲动画（缩起状态） ===== */
    animation: sidebarBreathe 8s ease-in-out infinite;
}

/* ===== 呼吸脉冲关键帧（宽屏深色背景） ===== */
@keyframes sidebarBreathe {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
        border-right-color: rgba(255, 255, 255, 0.02);
    }
    7% {
        box-shadow: 0 0 60px 10px rgba(37, 99, 235, 0.35), 0 0 30px 4px rgba(255, 255, 255, 0.08);
        border-right-color: rgba(255, 255, 255, 0.25);
    }
    20% {
        box-shadow: 0 0 60px 10px rgba(37, 99, 235, 0.35), 0 0 30px 4px rgba(255, 255, 255, 0.08);
        border-right-color: rgba(255, 255, 255, 0.30);
    }
    40% {
        box-shadow: 0 0 30px 5px rgba(37, 99, 235, 0.15), 0 0 15px 2px rgba(255, 255, 255, 0.03);
        border-right-color: rgba(255, 255, 255, 0.12);
    }
    60% {
        box-shadow: 0 0 10px 2px rgba(37, 99, 235, 0.05);
        border-right-color: rgba(255, 255, 255, 0.05);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
        border-right-color: rgba(255, 255, 255, 0.02);
    }
}

/* ===== 窄屏呼吸脉冲（浅色背景专用） ===== */
@keyframes sidebarBreatheMobile {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
        border-top-color: rgba(37, 99, 235, 0);
    }
    7% {
        /* 使用更深、更明显的蓝色，白色高光改为柔和灰色 */
        box-shadow: 0 0 60px 10px rgba(37, 99, 235, 0.25), 0 0 30px 4px rgba(0, 0, 0, 0.04);
        border-top-color: rgba(37, 99, 235, 0.15);
    }
    20% {
        box-shadow: 0 0 60px 10px rgba(37, 99, 235, 0.25), 0 0 30px 4px rgba(0, 0, 0, 0.04);
        border-top-color: rgba(37, 99, 235, 0.20);
    }
    40% {
        box-shadow: 0 0 30px 5px rgba(37, 99, 235, 0.10), 0 0 15px 2px rgba(0, 0, 0, 0.02);
        border-top-color: rgba(37, 99, 235, 0.08);
    }
    60% {
        box-shadow: 0 0 10px 2px rgba(37, 99, 235, 0.04);
        border-top-color: rgba(37, 99, 235, 0.03);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
        border-top-color: rgba(37, 99, 235, 0);
    }
}

/* ===== 悬浮展开：停止呼吸，增强阴影 ===== */
.sidebar:hover {
    width: var(--sidebar-width-expanded);
    animation: none;

    /* ===== 展开时图层区分：大阴影 + 光晕 + 高亮边框 ===== */
    box-shadow:
        /* 主阴影 - 深色大阴影让导航浮起 */
        4px 0 48px rgba(0, 0, 0, 0.18),
        2px 0 16px rgba(0, 0, 0, 0.08),
        /* 左侧光晕 - 透出底部内容的微弱光线 */
        0 0 80px rgba(37, 99, 235, 0.04),
        /* 右侧高光边缘 - 区分图层的关键 */
        inset -1px 0 0 rgba(255, 255, 255, 0.06);

    border-right-color: rgba(255, 255, 255, 0.06);
}

/* ===== 顶部高光线（立体感） ===== */
.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.sidebar:hover::before {
    opacity: 1;
}

/* ===== 底部光晕 ===== */
.sidebar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(0deg, rgba(0, 0, 0, 0.15) 0%, transparent 100%);
    pointer-events: none;
    opacity: 0.6;
    transition: opacity var(--transition-smooth);
}

.sidebar:hover::after {
    opacity: 1;
}

/* ===== 侧边栏头部（Logo） ===== */
.sidebar-header {
    display: flex;
    align-items: center;
    padding: 12px 14px 12px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    flex-shrink: 0;
    min-height: 52px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
    white-space: nowrap;
}

.logo-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
    opacity: 0;
    width: 0;
    overflow: hidden;
    transition: opacity var(--transition-smooth), width var(--transition-smooth);
}

.sidebar:hover .logo-text {
    opacity: 1;
    width: auto;
}

/* 折叠按钮 - 宽屏隐藏 */
.toggle-btn {
    display: none;
}

/* ===== 侧边栏菜单 ===== */
.sidebar-menu {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    overflow-y: auto;
    overflow-x: hidden;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 14px;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.55);
    transition: all var(--transition-smooth);
    white-space: nowrap;
    overflow: hidden;
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    font-size: 17px;
    font-family: inherit;
    font-weight: 500;
    flex-shrink: 0;
    position: relative;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #fff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* ===== 选中状态 - 向内凹陷效果 ===== */
.menu-item.active {
    background: rgba(37, 99, 235, 0.15);
    color: #fff;

    /* ===== 凹陷核心：内阴影 + 按压下沉 + 左侧高亮 ===== */
    box-shadow:
        /* 左上内阴影 - 模拟按压凹陷 */
        inset 0 2px 6px rgba(0, 0, 0, 0.20),
        /* 右下内阴影 - 增强凹陷立体感 */
        inset 0 -2px 4px rgba(0, 0, 0, 0.08),
        /* 左侧高亮条 - 指示选中 */
        inset 3px 0 0 var(--color-primary);

    border-radius: var(--radius-sm) 0 0 var(--radius-sm);

    /* 轻微下沉模拟按压 */
    transform: translateY(1px) scale(0.98);

    /* 禁用磨砂玻璃（凹陷时不需要） */
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

/* 选中项的文字微调（增强凹陷感） */
.menu-item.active .menu-icon {
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.20));
    transform: translateY(0.5px);
}

.menu-item.active .menu-text {
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.12));
}

/* 非激活项过渡 */
.menu-item:not(.active) .menu-icon {
    transition: all var(--transition-smooth);
}

.menu-icon {
    font-size: 18px;
    flex-shrink: 0;
    min-width: 24px;
}

.menu-text {
    font-size: 17px;
    opacity: 0;
    width: 0;
    overflow: hidden;
    transition: opacity var(--transition-smooth), width var(--transition-smooth);
}

.sidebar:hover .menu-text {
    opacity: 1;
    width: auto;
}

/* ===== 退出登录按钮（底部） ===== */
.menu-item.logout-item {
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 12px;
    margin-top: 6px;
    flex-shrink: 0;
}

.menu-item.logout-item:hover {
    background: rgba(239, 68, 68, 0.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #EF4444;
}

/* ============================================================
   4. 按钮 - 统一分类
   ============================================================ */

.btn {
    padding: 6px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    white-space: nowrap;
    height: 32px;
    border: 1px solid transparent;
}

.btn:hover {
    transform: translateY(-1px);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: var(--shadow-sm);
}

.btn:active {
    transform: translateY(0) scale(0.98);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
}

.btn-success {
    background: var(--color-success);
    color: #fff;
    border-color: var(--color-success);
}
.btn-success:hover {
    background: var(--color-success-dark);
    border-color: var(--color-success-dark);
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.25);
}

.btn-danger {
    background: var(--color-danger);
    color: #fff;
    border-color: var(--color-danger);
}
.btn-danger:hover {
    background: var(--color-danger-dark);
    border-color: var(--color-danger-dark);
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.25);
}

.btn-secondary {
    background: var(--color-bg-white);
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}
.btn-secondary:hover {
    background: var(--color-surface);
    border-color: var(--color-border-hover);
    color: var(--color-text);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.btn-warning {
    background: var(--color-warning);
    color: #fff;
    border-color: var(--color-warning);
}
.btn-warning:hover {
    background: var(--color-warning-dark);
    border-color: var(--color-warning-dark);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.25);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
    height: 28px;
}

.btn-lg {
    padding: 8px 24px;
    font-size: 16px;
    height: 40px;
}

/* ============================================================
   5. 输入框
   ============================================================ */

input[type="text"],
input[type="password"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="datetime-local"],
select,
textarea {
    width: 100%;
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-bg-white);
    transition: all var(--transition);
    outline: none;
    height: 34px;
    line-height: 1.4;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
    background: var(--color-bg-white);
}

input:disabled,
input[readonly],
select:disabled,
textarea:disabled {
    background: var(--color-surface);
    cursor: not-allowed;
    color: var(--color-text-secondary);
    opacity: 0.7;
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-muted);
    font-size: 13px;
}

textarea {
    height: auto;
    min-height: 60px;
    resize: vertical;
    padding: 8px 12px;
}

.search-box input {
    padding-left: 34px;
    padding-right: 12px;
    height: 34px;
}

.filter-box select {
    height: 34px;
    padding-right: 32px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
}

.filter-box select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
}

/* ============================================================
   6. 表格
   ============================================================ */

.table-container {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}

.table-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 18px;
    border-bottom: 1px solid var(--color-border-light);
    flex-wrap: nowrap;
    gap: 10px;
    background: var(--color-surface);
    overflow-x: auto;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
    flex: 1;
    overflow-x: auto;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.table-wrapper {
    overflow-x: auto;
    background: var(--color-bg-white);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    background: var(--color-bg-white);
}

.data-table thead {
    background: var(--color-surface);
}

.data-table th {
    padding: 8px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-bottom: 2px solid var(--color-border);
    cursor: pointer;
    white-space: nowrap;
    user-select: none;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.data-table th:hover {
    color: var(--color-text);
}

.data-table th.sort-asc::after {
    content: ' ▲';
    color: var(--color-primary);
    font-size: 10px;
}

.data-table th.sort-desc::after {
    content: ' ▼';
    color: var(--color-primary);
    font-size: 10px;
}

.data-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-border-light);
    vertical-align: middle;
    font-size: 13px;
    white-space: nowrap;
    color: var(--color-text);
}

.data-table tbody tr {
    transition: all var(--transition);
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.data-table tbody tr.selected {
    background: var(--color-primary-bg);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table td strong,
.data-table td .candidate-name,
.data-table td .group-name,
.data-table td .dept-name {
    font-weight: 600;
    color: var(--color-text);
}

.data-table input[type="checkbox"] {
    width: 15px;
    height: 15px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.loading-text {
    text-align: center;
    color: var(--color-text-muted);
    padding: 40px !important;
    font-style: italic;
    font-size: 15px;
}

/* ============================================================
   7. 分页
   ============================================================ */

.table-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 18px;
    border-top: 1px solid var(--color-border-light);
    flex-wrap: nowrap;
    gap: 8px;
    background: var(--color-surface);
}

.pagination-info {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.page-btn {
    padding: 4px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-white);
    cursor: pointer;
    font-size: 14px;
    transition: all var(--transition);
    color: var(--color-text-secondary);
    font-weight: 500;
    height: 30px;
}

.page-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-current {
    font-weight: 700;
    color: var(--color-text);
    padding: 0 4px;
    font-size: 15px;
}

.page-total {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* ============================================================
   8. 模态框
   ============================================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.30);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    animation: fadeIn 0.25s ease;
}

.modal-content {
    position: relative;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    max-width: 640px;
    width: 92%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
}

.modal-large .modal-content {
    max-width: 840px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 22px;
    border-bottom: 1px solid var(--color-border-light);
    flex-shrink: 0;
    background: var(--color-surface);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
    padding: 0 4px;
    line-height: 1;
    border-radius: 50%;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--color-text);
    background: var(--color-border-light);
}

.modal-body {
    padding: 22px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 22px;
    border-top: 1px solid var(--color-border-light);
    flex-shrink: 0;
    background: var(--color-surface);
}

/* ============================================================
   9. 表单
   ============================================================ */

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.form-group .required {
    color: var(--color-danger);
    margin-left: 2px;
    font-weight: 700;
}

.form-group .hint {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 3px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* ============================================================
   10. 标签
   ============================================================ */

.status-tag {
    display: inline-block;
    padding: 3px 14px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.2px;
    transition: all var(--transition);
    white-space: nowrap;
}

.status-tag:hover {
    transform: scale(1.04);
    backdrop-filter: blur(4px);
}

.status-pending { background: #FEF3C7; color: #92400E; }
.status-ongoing { background: #DBEAFE; color: #1E40AF; }
.status-pause { background: #FDE68A; color: #92400E; }
.status-ended { background: #D1FAE5; color: #065F46; }
.status-cancelled { background: #FEE2E2; color: #991B1B; }
.status-onuse { background: #D1FAE5; color: #065F46; }
.status-working { background: #FEF3C7; color: #92400E; }

.role-tag {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 600;
    transition: all var(--transition);
    white-space: nowrap;
}

.role-tag:hover {
    transform: scale(1.04);
    backdrop-filter: blur(4px);
}

.role-tag.role-superadmin { background: #FEF3C7; color: #92400E; }
.role-tag.role-admin { background: #DBEAFE; color: #1E40AF; }
.role-tag.role-subadmin { background: #E0E7FF; color: #3730A3; }
.role-tag.role-interviewer { background: #D1FAE5; color: #065F46; }
.role-tag.role-candidate { background: #FCE4EC; color: #9A3412; }
.role-tag.role-guest { background: #F1F5F9; color: #475569; }

.department-tag {
    display: inline-block;
    padding: 2px 10px;
    background: var(--color-primary-bg);
    color: var(--color-primary-dark);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.score-tag {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 700;
    min-width: 36px;
    text-align: center;
    transition: all var(--transition);
    white-space: nowrap;
}

.score-tag:hover {
    transform: scale(1.05);
    backdrop-filter: blur(4px);
}

.score-high { background: #D1FAE5; color: #065F46; }
.score-medium { background: #FEF3C7; color: #92400E; }
.score-low { background: #FDE68A; color: #92400E; }
.score-very-low { background: #FEE2E2; color: #991B1B; }

/* ============================================================
   11. 动画
   ============================================================ */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ============================================================
   12. 响应式 - 窄屏（≤768px）：底部导航均匀分布
   ============================================================ */

@media (max-width: 768px) {
    /* ===== 布局改为上下结构 ===== */
    .app-container {
        flex-direction: column;
        height: 100vh;
        overflow: hidden;
    }

    .main-content {
        margin-left: 0;
        flex: 1;
        display: flex;
        flex-direction: column;
        overflow: hidden;
        padding-bottom: 56px;
    }

    /* ===== 顶部标题居中 ===== */
    .content-header {
        justify-content: center;
        padding: 10px 16px;
        min-height: 48px;
        border-bottom: 1px solid var(--color-border-light);
        background: var(--color-bg-white);
    }

    .content-header h1 {
        font-size: 17px;
        font-weight: 600;
        justify-content: center;
        width: 100%;
        text-align: center;
    }

    .content-header h1::before {
        display: none;
    }

    .content-header .user-info {
        display: none;
    }

    .content-body {
        padding: 14px 16px;
        flex: 1;
        overflow-y: auto;
    }

    /* ===== 侧边栏 → 底部导航（浅色） ===== */
    .sidebar {
        position: fixed;
        left: 0;
        right: 0;
        top: auto;
        bottom: 0;
        width: 100%;
        height: 56px;
        background: var(--sidebar-bg-light);
        flex-direction: row;
        align-items: center;
        padding: 0;
        border-radius: 0;
        border-top: 1px solid var(--color-border-light);
        box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.06);
        z-index: 999;
        transition: none;
        overflow: visible;
        /* 启用窄屏呼吸动画（浅色适配） */
        animation: sidebarBreatheMobile 8s ease-in-out infinite;
        border-right: none;
    }

    .sidebar:hover {
        width: 100%;
        box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.06);
        animation: sidebarBreatheMobile 8s ease-in-out infinite;
    }

    .sidebar::before,
    .sidebar::after {
        display: none;
    }

    .sidebar-header {
        display: none;
    }

    /* ===== 菜单：均匀分布撑满底部 ===== */
    .sidebar-menu {
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        padding: 4px 6px;
        gap: 0;
        flex: 1;
        width: 100%;
        max-width: 100%;
        margin: 0;
        overflow: visible;
        background: transparent;
        /* 确保所有按钮均匀分布 */
        display: flex;
    }

    .menu-item {
        flex: 1 1 0;
        /* 均匀分配空间 */
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 4px 2px;
        gap: 1px;
        border-radius: var(--radius-sm);
        min-width: 0;
        /* 允许收缩 */
        min-height: 48px;
        font-size: 13px;
        color: var(--color-text-muted);
        background: transparent;
        border: none;
        position: relative;
        transition: all var(--transition-smooth);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        box-shadow: none;
        transform: none;
        border-radius: var(--radius-sm);
        /* 文字强制换行 */
        white-space: nowrap;
        overflow: hidden;
    }

    .menu-item:hover {
        background: rgba(37, 99, 235, 0.06);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        color: var(--color-text);
        box-shadow: none;
        transform: none;
    }

    /* ===== 小屏激活 - 向上凸起 ===== */
    .menu-item.active {
        background: var(--color-bg-white);
        color: var(--color-primary);
        border-radius: var(--radius-sm);

        /* 向上凸起 */
        box-shadow:
            0 -4px 16px rgba(37, 99, 235, 0.10),
            0 -2px 8px rgba(37, 99, 235, 0.05),
            inset 0 1px 0 rgba(255, 255, 255, 0.8);
        transform: translateY(-3px);
        border-top: 2px solid var(--color-primary);

        /* 重置宽屏凹陷 */
        border-left: none;
        border-radius: var(--radius-sm);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .menu-item.active .menu-icon {
        color: var(--color-primary);
        filter: drop-shadow(0 2px 4px rgba(37, 99, 235, 0.12));
    }

    .menu-item.active .menu-text {
        color: var(--color-primary);
        font-weight: 600;
    }

    /* ===== 小屏：图标 + 短文字都显示 ===== */
    .menu-icon {
        font-size: 18px;
        min-width: 0;
        color: inherit;
        flex-shrink: 0;
    }

    .menu-text {
        display: block;
        font-size: 10px;
        opacity: 1;
        width: auto;
        color: var(--color-text-muted);
        font-weight: 400;
        letter-spacing: 0.1px;
        transition: color var(--transition-smooth);
        line-height: 1.2;
    }

    .menu-item.active .menu-text {
        color: var(--color-primary);
        font-weight: 600;
        opacity: 1;
        width: auto;
    }

    /* 小屏下显示退出登录按钮（与其它项等宽） */
    /* 原隐藏规则已移除，默认显示 */

    .toggle-btn {
        display: none !important;
    }

    /* ===== 小屏表格自适应 ===== */
    .data-table {
        font-size: 13px;
    }
    .data-table th,
    .data-table td {
        padding: 6px 8px;
        font-size: 12px;
    }
    .data-table th {
        font-size: 11px;
    }

    .table-wrapper .data-table {
        table-layout: auto !important;
    }
    .data-table td {
        white-space: normal;
        word-break: break-word;
    }
    .table-toolbar {
        flex-wrap: wrap;
    }
    .toolbar-left {
        flex-wrap: wrap;
    }
    .table-pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    .modal-content {
        width: 95%;
    }
    .modal-large .modal-content {
        max-width: 95%;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .search-box input {
        width: 100%;
        min-width: 120px;
    }
}

/* ============================================================
   13. 响应式 - 超小屏（≤480px）
   ============================================================ */

@media (max-width: 480px) {
    .content-header {
        padding: 8px 12px;
        min-height: 42px;
    }
    .content-header h1 {
        font-size: 15px;
    }
    .content-body {
        padding: 10px 12px;
    }

    .sidebar {
        height: 50px;
    }
    .main-content {
        padding-bottom: 50px;
    }

    .menu-item {
        min-height: 42px;
        padding: 2px 2px;
    }

    .menu-icon {
        font-size: 16px;
    }

    .menu-text {
        font-size: 9px;
    }

    .menu-item.active {
        transform: translateY(-2px);
        box-shadow:
            0 -3px 12px rgba(37, 99, 235, 0.08),
            0 -1px 6px rgba(37, 99, 235, 0.04);
        border-top-width: 2px;
    }

    .data-table {
        font-size: 12px;
    }
    .data-table th,
    .data-table td {
        padding: 5px 6px;
        font-size: 11px;
    }
    .data-table th {
        font-size: 10px;
    }

    .btn {
        font-size: 12px;
        padding: 4px 10px;
        height: 28px;
    }
    .btn-sm {
        font-size: 11px;
        padding: 2px 8px;
        height: 24px;
    }

    .modal-header h3 {
        font-size: 16px;
    }
    .modal-body {
        padding: 14px;
    }
    .modal-footer {
        flex-wrap: wrap;
    }
    .modal-footer .btn {
        flex: 1;
        justify-content: center;
    }

    .pagination-info {
        font-size: 12px;
    }
    .page-btn {
        font-size: 12px;
        padding: 3px 10px;
        height: 26px;
    }
    .page-current {
        font-size: 14px;
    }

    .role-tag {
        font-size: 11px;
        padding: 1px 8px;
    }
    .status-tag {
        font-size: 11px;
        padding: 2px 10px;
    }
    .score-tag {
        font-size: 12px;
        padding: 1px 8px;
    }
    .department-tag {
        font-size: 11px;
        padding: 1px 6px;
    }
}

/* ============================================================
   14. 响应式 - 平板（769px ~ 1024px）
   ============================================================ */

@media (min-width: 769px) and (max-width: 1024px) {
    .content-body {
        padding: 16px 20px;
    }
    .content-header {
        padding: 10px 20px;
    }
    .content-header h1 {
        font-size: 18px;
    }

    .sidebar {
        width: 56px;
    }
    .sidebar:hover {
        width: 200px;
    }
    .main-content {
        margin-left: 56px;
    }

    .menu-text {
        font-size: 15px;
    }
    .menu-item {
        font-size: 15px;
        padding: 8px 12px;
    }
}