:root {
    /* 现代化配色方案 - 专业且富有活力 */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success-color: #10b981;
    --success-dark: #059669;
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --danger-color: #ef4444;
    --danger-dark: #dc2626;
    --danger-gradient: linear-gradient(135deg, #f87171 0%, #dc2626 100%);
    --warning-color: #f59e0b;
    --warning-dark: #d97706;
    --warning-gradient: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --info-color: #0ea5e9;
    --info-dark: #0284c7;
    --info-gradient: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
    /* 中性色系 - 高级灰度 */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    /* 间距和尺寸 */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    /* 阴影系统 - 更自然的层次感 */
    --box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --box-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --box-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --box-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    /* 过渡效果 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Helvetica Neue', sans-serif;
    background: linear-gradient(to bottom, var(--gray-50) 0%, var(--gray-100) 100%);
    background-attachment: fixed;
    color: var(--gray-900);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* 页面加载动画（优化：加快速度） */
    animation: fadeIn 0.25s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* 登录页面特殊背景 */

body.login-page {
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px;
    /* 页面内容区域平滑过渡动画（优化：加快速度） */
    animation: containerFadeIn 0.3s ease-out;
    transform-origin: center top;
}


/* 内容区域淡入动画（优化：减少位移） */

@keyframes containerFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* 页面离开时的淡出效果（优化：加快动画） */

.container.page-exit {
    animation: containerFadeOut 0.15s ease-in forwards;
}

@keyframes containerFadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-5px);
    }
}


/* 卡片样式 - 现代化设计 */

.card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-md);
    padding: 28px;
    margin-bottom: 24px;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
    clear: both;
    /* 卡片逐个淡入动画（优化：加快速度） */
    animation: cardSlideIn 0.4s ease-out backwards;
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}


/* 为不同卡片添加递增延迟（优化：减少延迟） */

.card:nth-child(1) {
    animation-delay: 0s;
}

.card:nth-child(2) {
    animation-delay: 0.05s;
}

.card:nth-child(3) {
    animation-delay: 0.1s;
}

.card:nth-child(4) {
    animation-delay: 0.15s;
}

.card:nth-child(5) {
    animation-delay: 0.2s;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--box-shadow-xl);
    transform: translateY(-4px);
    border-color: var(--gray-300);
}

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

.card-header {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 3px solid transparent;
    background: linear-gradient(to right, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
}


/* 按钮样式 - 现代化设计 */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--box-shadow);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    border: 2px solid transparent;
}

.btn-primary:hover {
    filter: brightness(1.1);
}

.btn-success {
    background: var(--success-gradient);
    color: white;
}

.btn-success:hover {
    filter: brightness(1.1);
}

.btn-danger {
    background: var(--danger-gradient);
    color: white;
}

.btn-danger:hover {
    filter: brightness(1.1);
}

.btn-warning {
    background: var(--warning-gradient);
    color: white;
}

.btn-warning:hover {
    filter: brightness(1.1);
}

.btn-info {
    background: var(--info-gradient);
    color: white;
}

.btn-info:hover {
    filter: brightness(1.1);
}


/* 表单样式 - 现代化设计 */

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
    color: var(--gray-900);
    box-shadow: var(--box-shadow);
}

.form-control:hover {
    border-color: var(--gray-400);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    background: var(--gray-50);
}

.form-control:disabled {
    background-color: var(--gray-100);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-control::placeholder {
    color: var(--gray-400);
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 40px;
}


/* 表格样式 - 现代化设计 */

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow-md);
    border: 1px solid var(--gray-200);
    /* 表格渐进显示动画 */
    animation: tableFadeIn 0.7s ease-out backwards;
    animation-delay: 0.3s;
}

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

.table th,
.table td {
    padding: 16px 18px;
    text-align: left;
}

.table th {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%);
    color: var(--gray-800);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--gray-300);
}

.table td {
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-700);
    font-size: 0.95rem;
}

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

.table tbody tr:hover {
    background: linear-gradient(135deg, var(--gray-50) 0%, rgba(99, 102, 241, 0.05) 100%);
    transform: scale(1.01);
}

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


/* 状态标签 - 现代化设计 */

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
    border: 1px solid transparent;
}

.status-badge::before {
    content: '•';
    font-size: 1.2rem;
    line-height: 0;
}

.status-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-md);
}

.status-normal {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border-color: #6ee7b7;
}

.status-late {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    border-color: #fcd34d;
}

.status-early {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
    border-color: #93c5fd;
}

.status-absent {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
    border-color: #fca5a5;
}

.status-leave {
    background: linear-gradient(135deg, #e9d5ff 0%, #d8b4fe 100%);
    color: #6b21a8;
    border-color: #c084fc;
}

.status-overtime {
    background: linear-gradient(135deg, #cffafe 0%, #a5f3fc 100%);
    color: #0e7490;
    border-color: #67e8f9;
}


/* 导航栏 - 现代化设计 */

.navbar {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
    backdrop-filter: blur(10px);
    color: var(--gray-900);
    padding: 0;
    box-shadow: var(--box-shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--gray-200);
    /* 导航栏保持固定，不参与页面过渡 */
    will-change: auto;
}

.navbar-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 18px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}

.navbar-brand {
    font-size: 1.35rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-brand::before {
    content: '📋';
    font-size: 1.6rem;
    -webkit-text-fill-color: initial;
}

.navbar-menu {
    display: flex;
    gap: 6px;
    list-style: none;
    flex-wrap: wrap;
}

.navbar-menu li {
    position: relative;
}

.navbar-menu a {
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition);
    padding: 10px 18px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.95rem;
    display: block;
    position: relative;
    overflow: hidden;
}

.navbar-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition);
    transform: translateX(-50%);
}

.navbar-menu a:hover {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-50) 100%);
    color: var(--primary-color);
}

.navbar-menu a:hover::before {
    width: 80%;
}

.navbar-menu a:active {
    transform: scale(0.95);
}


/* 网格布局 */

.grid {
    display: grid;
    gap: 24px;
    margin-bottom: 24px;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}


/* 统计卡片 - 现代化设计 */

.stat-card {
    background: white;
    color: var(--gray-900);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    /* 统计卡片动画 */
    animation: statCardPop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}

@keyframes statCardPop {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}


/* 为网格中的统计卡片添加递增延迟 */

.grid .stat-card:nth-child(1) {
    animation-delay: 0.1s;
}

.grid .stat-card:nth-child(2) {
    animation-delay: 0.2s;
}

.grid .stat-card:nth-child(3) {
    animation-delay: 0.3s;
}

.grid .stat-card:nth-child(4) {
    animation-delay: 0.4s;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0.05;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--box-shadow-2xl);
    border-color: var(--primary-light);
}

.stat-card:hover::before {
    opacity: 0.1;
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 12px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.stat-card p {
    font-size: 1rem;
    color: var(--gray-600);
    font-weight: 600;
    position: relative;
    z-index: 1;
    letter-spacing: 0.3px;
}


/* 渐变卡片变体 */

.stat-card.grad-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.stat-card.grad-1 h3,
.stat-card.grad-1 p {
    color: white;
    -webkit-text-fill-color: white;
}

.stat-card.grad-1::before {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
    opacity: 1;
}

.stat-card.grad-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    border: none;
}

.stat-card.grad-2 h3,
.stat-card.grad-2 p {
    color: white;
    -webkit-text-fill-color: white;
}

.stat-card.grad-2::before {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
    opacity: 1;
}

.stat-card.grad-3 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    border: none;
}

.stat-card.grad-3 h3,
.stat-card.grad-3 p {
    color: white;
    -webkit-text-fill-color: white;
}

.stat-card.grad-3::before {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
    opacity: 1;
}


/* 消息提示 */

.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border-left: 4px solid;
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    line-height: 1.6;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border-left-color: var(--success-color);
    margin-top: 20px;
    flex-direction: column;
    align-items: flex-start;
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
    border-left-color: var(--danger-color);
}

.alert-info {
    background-color: #cffafe;
    color: #0e7490;
    border-left-color: var(--info-color);
}


/* 模态框 */

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.2s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}


/* 防止模态框打开时body滚动条跳动 */

body.modal-open {
    overflow: hidden;
    padding-right: 0 !important;
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    box-shadow: var(--box-shadow-xl);
    animation: slideIn 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    /* 为Firefox添加滚动条样式支持 */
    scrollbar-width: thin;
    scrollbar-color: var(--gray-400) var(--gray-100);
}


/* 滚动条样式 - 优化模态框内卡片滚动条显示 */


/* Webkit内核浏览器（Chrome/Edge/Safari） */

.modal-content::-webkit-scrollbar {
    width: 12px;
    background: transparent;
}

.modal-content::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 0 var(--border-radius-lg) var(--border-radius-lg) 0;
    margin: 0;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 6px;
    border: 3px solid var(--gray-100);
    background-clip: padding-box;
    transition: background 0.3s ease;
    min-height: 40px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
    border: 2px solid var(--gray-100);
}

.modal-content::-webkit-scrollbar-thumb:active {
    background: var(--gray-600);
}


/* 确保模态框滚动条始终可见且位置正确 */

.modal-content::-webkit-scrollbar-corner {
    background: transparent;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px;
    border-bottom: 1px solid var(--gray-200);
    background-color: var(--gray-50);
    flex-shrink: 0;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.modal-content form,
.modal-content>div:not(.modal-header) {
    padding: 24px 28px;
    flex: 1;
    overflow-y: auto;
    /* 避免内容区域与滚动条重叠 */
    padding-right: 20px;
}

.close {
    font-size: 28px;
    font-weight: 300;
    cursor: pointer;
    color: var(--gray-500);
    transition: var(--transition);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    line-height: 1;
}

.close:hover {
    color: var(--danger-color);
    background-color: var(--gray-100);
    transform: scale(1.1);
}


/* 响应式设计 */

@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    .container {
        padding: 16px;
    }
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    .navbar-content {
        flex-direction: column;
        gap: 16px;
        padding: 12px 16px;
    }
    .navbar-brand {
        font-size: 1.25rem;
    }
    .navbar-menu {
        width: 100%;
        justify-content: center;
        gap: 4px;
    }
    .navbar-menu a {
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    .table {
        font-size: 0.85rem;
    }
    .table th,
    .table td {
        padding: 12px 8px;
    }
    .card {
        padding: 16px;
        margin-bottom: 16px;
    }
    .card-header {
        font-size: 1.25rem;
    }
    .stat-card h3 {
        font-size: 2rem;
    }
    .modal-content {
        margin: 10% 16px;
        max-width: calc(100% - 32px);
    }
    .modal-header,
    .modal-content form,
    .modal-content>div:not(.modal-header) {
        padding: 20px;
        padding-right: 16px;
    }
    .btn {
        padding: 10px 18px;
        font-size: 0.9rem;
    }
    /* 考勤页面响应式优化 */
    .clock-display {
        font-size: 2rem;
        margin: 15px 0 20px 0;
        padding: 10px 0;
    }
    .alert-success {
        padding: 12px 16px;
        margin-top: 15px;
        font-size: 0.9rem;
    }
    .attendance-buttons {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin: 15px 0;
    }
    .attendance-btn {
        padding: 15px;
        font-size: 1rem;
    }
    .status-badge {
        font-size: 0.8rem;
        padding: 3px 10px;
    }
}

@media (max-width: 480px) {
    .navbar-brand::before {
        display: none;
    }
    .table th,
    .table td {
        padding: 10px 6px;
        font-size: 0.8rem;
    }
    .btn {
        width: 100%;
        margin-bottom: 8px;
    }
    /* 考勤页面小屏幕优化 */
    .clock-display {
        font-size: 1.75rem;
        margin: 10px 0 15px 0;
        padding: 8px 0;
    }
    .attendance-buttons {
        grid-template-columns: 1fr;
        gap: 8px;
        margin: 12px 0;
    }
    .attendance-btn {
        padding: 12px;
        font-size: 0.95rem;
    }
}


/* 动画效果 */

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: slideDown 0.5s ease;
}


/* 加载动画 */

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}


/* 滚动条美化 - 确保在所有情况下一致 */

::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 0;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 6px;
    border: 2px solid var(--gray-100);
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}


/* 为body和模态框保持一致的滚动条样式 */

body::-webkit-scrollbar,
.modal::-webkit-scrollbar {
    width: 12px;
}

body::-webkit-scrollbar-track,
.modal::-webkit-scrollbar-track {
    background: var(--gray-100);
}

body::-webkit-scrollbar-thumb,
.modal::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 6px;
    border: 2px solid var(--gray-100);
}

body::-webkit-scrollbar-thumb:hover,
.modal::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}


/* 输入框聚焦动画 */

@keyframes focusPulse {
    0%,
    100% {
        box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(79, 70, 229, 0.15);
    }
}

.form-control:focus {
    animation: focusPulse 2s infinite;
}


/* ===== 通用工具类 ===== */


/* Dashboard 布局修正：确保图表容器与画布具备可见尺寸且不重叠 */

canvas {
    display: block;
    width: 100%;
}

#attendanceTrendChart {
    min-height: 300px;
}

.max-h-300 {
    max-height: 300px;
}

.chart-container,
.chart-wrapper {
    width: 100%;
}


/* 防止卡片内部元素发生重叠：为图表容器提供内边距 */

.card .chart-container,
.card .chart-wrapper {
    padding: 8px 0;
}


/* 确保统计卡片网格与快速操作卡片之间有足够间距 */

.stat-card {
    margin-bottom: 0;
}

.grid.grid-3,
.grid.grid-4 {
    margin-bottom: 24px;
}


/* 员工管理页面信息显示样式 */

.info-row {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 600;
    color: var(--gray-700);
    min-width: 120px;
    flex-shrink: 0;
}

.info-row span:not(.info-label) {
    color: var(--gray-900);
    flex: 1;
}

.hidden {
    display: none;
}

.text-center {
    text-align: center;
}

.text-danger {
    color: var(--danger-color);
    font-weight: bold;
}

.mt-30 {
    margin-top: 30px;
}

.mb-15 {
    margin-bottom: 15px;
}

.max-h-300 {
    max-height: 300px;
}

.text-white {
    color: #ffffff;
}


/* ===== 考勤页面样式（移除内联） ===== */

.clock-display {
    text-align: center;
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 20px 0 30px 0;
    padding: 15px 0;
    line-height: 1.2;
}

.attendance-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin: 20px 0;
    clear: both;
}

.attendance-btn {
    padding: 20px;
    font-size: 1.2rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.attendance-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}


/* 扩展按钮色系 */

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    filter: brightness(1.05);
    transform: translateY(-2px);
}


/* ===== 登录页样式（移除内联） ===== */

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    width: 100%;
}

.login-card {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 420px;
    animation: slideInUp 0.5s ease;
    border: none;
    position: relative;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header .logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background-color: var(--primary-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--box-shadow-md);
    transition: var(--transition);
}

.login-header .logo:hover {
    transform: scale(1.05);
    box-shadow: var(--box-shadow-lg);
}

.login-header h1 {
    color: var(--gray-900);
    font-size: 1.75rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.login-header p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.btn-login {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    margin-top: 8px;
    transition: var(--transition);
}

.btn-login:hover {
    transform: translateY(-2px);
}

.btn-login:active {
    transform: translateY(0);
}

@media (max-width: 480px) {
    .login-card {
        padding: 32px 24px;
        max-width: 100%;
        margin: 0 16px;
    }
    .login-header h1 {
        font-size: 1.5rem;
    }
    .login-header .logo {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
    }
}


/* 小型统计块 */

.stat-item {
    text-align: center;
    padding: 15px;
    background: var(--gray-50);
    border-radius: var(--border-radius);
}

.stat-item-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-item-value--sm {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--gray-700);
}

.stat-item-label {
    color: var(--gray-600);
    margin-top: 5px;
}


/* 颜色工具类 */

.bg-gray-50 {
    background: var(--gray-50);
}

.bg-green-100 {
    background: #d1fae5;
}

.bg-yellow-100 {
    background: #fef3c7;
}

.bg-red-100 {
    background: #fee2e2;
}

.bg-purple-100 {
    background: #e9d5ff;
}

.bg-cyan-100 {
    background: #cffafe;
}

.text-green-900 {
    color: #065f46;
}

.text-brown-900 {
    color: #92400e;
}

.text-blue-900 {
    color: #1e40af;
}

.text-red-900 {
    color: #991b1b;
}

.text-purple-800 {
    color: #6b21a8;
}

.text-cyan-800 {
    color: #0e7490;
}

.info-row {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
    align-items: center;
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    width: 120px;
    font-weight: bold;
    color: #333;
    flex-shrink: 0;
}

.info-row span:not(.info-label) {
    color: #666;
    flex: 1;
}


/* ===== 全局 Loading 覆盖层（优化版） ===== */

.global-loading {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.global-loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-container {
    background: white;
    padding: 40px 50px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-xl);
    text-align: center;
    min-width: 280px;
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.global-loading.hidden .loading-container {
    transform: translateY(-20px);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loading-text {
    color: var(--gray-700);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 16px;
}

.loading-progress {
    width: 100%;
    height: 4px;
    background: var(--gray-200);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.loading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
    overflow: hidden;
}

.loading-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient( 90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}


/* ===== 分页控件样式 ===== */

.pagination {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
    margin-bottom: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.pagination-info {
    color: var(--gray-600);
}

.pagination-buttons {
    display: flex;
    gap: 8px;
}


/* 汇总表格分页控件 */

#summaryPagination {
    margin-top: 28px;
    margin-bottom: 24px;
    padding-top: 20px;
}


/* 详细记录表格分页控件 */

#deptPagination {
    margin-top: 28px;
    margin-bottom: 24px;
    padding-top: 20px;
}


/* 渐变背景工具类 */

.grad-1 {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.grad-2 {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.grad-3 {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}


/* 额外间距工具类 */

.mb-30 {
    margin-bottom: 30px;
}

.section-spacing {
    margin-top: 32px;
    padding-top: 24px;
}

.max-h-500 {
    max-height: 500px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.9rem;
}


/* ===== 图表相关样式 ===== */


/* 统计卡片 */

.stat-card {
    padding: 24px;
    border-radius: var(--border-radius-lg);
    color: white;
    text-align: center;
    box-shadow: var(--box-shadow-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-xl);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 8px;
    opacity: 0.9;
}

.stat-card h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 12px 0 8px;
    line-height: 1;
}

.stat-card p {
    font-size: 0.95rem;
    opacity: 0.95;
    margin: 0;
    font-weight: 500;
}


/* 图表容器 */

.chart-container {
    background: white;
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.chart-container:hover {
    box-shadow: var(--box-shadow-md);
    border-color: var(--primary-color);
}

.chart-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-wrapper {
    position: relative;
    width: 100%;
    min-height: 300px;
}

.chart-note {
    margin-top: 16px;
    padding: 12px;
    background: var(--gray-50);
    border-left: 4px solid var(--info-color);
    border-radius: 4px;
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.6;
}


/* 自定义图例 */

.chart-legend {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-radius: 6px;
    transition: var(--transition-fast);
    cursor: pointer;
}

.legend-item:hover {
    background: var(--gray-50);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.legend-label {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.legend-value {
    margin-left: auto;
    color: var(--gray-600);
    font-size: 0.85rem;
    font-weight: 500;
}

.text-muted-sm {
    margin-top: 15px;
    color: #6b7280;
    font-size: 0.9rem;
}

.text-center {
    text-align: center;
}

.text-danger {
    color: #dc2626;
}

.font-bold {
    font-weight: bold;
}

.mb-20 {
    margin-bottom: 20px;
}

.text-xs {
    font-size: 0.9rem;
}

.text-sm {
    font-size: 0.9rem;
}

.text-right {
    text-align: right;
}

.badge-negative {
    color: red;
}

.card-salary-highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.text-salary-negative {
    color: #ffcccc;
}

.text-salary-emphasis {
    font-size: 1.5rem;
    margin-top: 10px;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 20px;
}

.modal-content-wide {
    max-width: 600px;
}

.grid-gap-24 {
    gap: 24px;
}

.mt-20 {
    margin-top: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}


/* 分页导航样式 */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    text-decoration: none;
    color: var(--gray-700);
    background: white;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.pagination a:hover:not(.disabled) {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pagination .current {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    font-weight: 600;
}

.pagination .disabled {
    opacity: 0.5;
    cursor: not-allowed;
    color: var(--gray-400);
}

.pagination-info {
    color: var(--gray-600);
    font-size: 0.9rem;
}


/* 响应式设计 */

@media (max-width: 1024px) {
    .chart-legend {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .stat-card h3 {
        font-size: 2rem;
    }
    .stat-icon {
        font-size: 2rem;
    }
    .chart-container {
        padding: 16px;
    }
    .chart-title {
        font-size: 1rem;
    }
    .chart-wrapper {
        min-height: 250px;
    }
    .chart-legend {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .stat-card {
        padding: 16px;
    }
    .stat-card h3 {
        font-size: 1.75rem;
    }
    .chart-container {
        padding: 12px;
    }
    .chart-wrapper {
        min-height: 200px;
    }
}