/**
 * 生化学院党员信息管理系统 - 主样式文件
 */

/* CSS变量定义 */
:root {
    --primary-color: #c41e3a;
    --primary-dark: #9e1830;
    --primary-light: #e85a6f;
    --secondary-color: #ffd700;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --gray-color: #6c757d;
    --border-color: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
}

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

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

/* 登录页面样式 */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #c41e3a 0%, #9e1830 100%);
    padding: 20px;
}

.login-box {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    padding: 40px;
    animation: fadeInUp 0.5s ease;
}

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

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 16px;
}

.login-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.login-subtitle {
    color: var(--gray-color);
    font-size: 14px;
}

/* 角色选择 */
.role-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
}

.role-btn {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: #fff;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    font-size: 14px;
    color: var(--gray-color);
}

.role-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary-color);
}

.role-btn.active {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
}

.role-btn i {
    display: block;
    font-size: 24px;
    margin-bottom: 6px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
    background: #fff;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

.form-control:disabled,
.form-control[readonly] {
    background-color: #f5f5f5;
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: 12px;
    margin-top: 4px;
}

/* 复选框 */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.form-check-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.form-check-label {
    cursor: pointer;
    color: var(--gray-color);
    font-size: 13px;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #7d1326 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-color);
    color: #fff;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-success {
    background: var(--success-color);
    color: #fff;
}

.btn-success:hover {
    background: #218838;
}

.btn-danger {
    background: var(--danger-color);
    color: #fff;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-warning {
    background: var(--warning-color);
    color: #333;
}

.btn-warning:hover {
    background: #e0a800;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--gray-color);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

/* 链接按钮 */
.link-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 13px;
    padding: 0;
}

.link-btn:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* 登录底部 */
.login-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
}

/* 主布局 */
.main-layout {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: 240px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo {
    width: 50px;
    height: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.sidebar-logo:hover {
    transform: scale(1.05);
}

.sidebar-title {
    font-size: 16px;
    font-weight: 600;
    margin-top: 10px;
    line-height: 1.4;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    display: block;
    padding: 14px 24px;
    color: rgba(255,255,255,0.8);
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.nav-item.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-left-color: var(--secondary-color);
}

.nav-item i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.nav-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: auto;
}

.nav-item.disabled:hover {
    background: transparent;
    color: rgba(255,255,255,0.8);
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: 240px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 顶部栏 */
.topbar {
    background: #fff;
    padding: 0 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
    padding: 8px 12px;
    margin-right: 16px;
    z-index: 3000;
    position: relative;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.menu-toggle:hover {
    color: var(--primary-dark);
    transform: scale(1.1);
}

.menu-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(196, 30, 58, 0.3);
    border-radius: 4px;
}

.topbar-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-color);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: #fff;
    color: var(--gray-color);
    cursor: pointer;
    transition: var(--transition);
}

.logout-btn:hover {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

/* 页面内容 */
.page-content {
    flex: 1;
    padding: 24px;
}

/* 卡片样式 */
.card {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    background: #fafafa;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* 表格样式 */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
    white-space: nowrap;
}

.table tr:hover {
    background: #f8f9fa;
}

.table .checkbox-col {
    width: 40px;
    text-align: center;
}

.table .action-col {
    width: 150px;
    text-align: center;
}

/* 筛选模块 */
.filter-section {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
}

.filter-item {
    min-width: 180px;
}

.filter-item label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    color: var(--gray-color);
}

.filter-actions {
    display: flex;
    gap: 10px;
}

/* 分页样式 */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding: 16px 0;
}

.pagination-info {
    color: var(--gray-color);
    font-size: 13px;
}

.pagination {
    display: flex;
    list-style: none;
    gap: 4px;
}

.page-item .page-link {
    display: block;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--gray-color);
    transition: var(--transition);
}

.page-item .page-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-item.active .page-link {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.page-item.disabled .page-link {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 每页显示数量 */
.per-page-selector {
    display: flex;
    align-items: center;
    gap: 8px;
}

.per-page-selector select {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
}

/* 模态框 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: #fff;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--gray-color);
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* 提示框 */
.alert {
    padding: 14px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Toast提示 */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3000;
}

.toast {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 16px 20px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 280px;
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.success { border-left: 4px solid var(--success-color); }
.toast.error { border-left: 4px solid var(--danger-color); }
.toast.warning { border-left: 4px solid var(--warning-color); }
.toast.info { border-left: 4px solid var(--info-color); }

/* 徽章 */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-primary { background: var(--primary-color); color: #fff; }
.badge-success { background: var(--success-color); color: #fff; }
.badge-warning { background: var(--warning-color); color: #333; }
.badge-danger { background: var(--danger-color); color: #fff; }
.badge-info { background: var(--info-color); color: #fff; }
.badge-gray { background: var(--gray-color); color: #fff; }

/* 统计卡片 */
.stat-card {
    background: #fff;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
}

.stat-icon.primary { background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)); }
.stat-icon.success { background: linear-gradient(135deg, var(--success-color), #1e7e34); }
.stat-icon.warning { background: linear-gradient(135deg, var(--warning-color), #d39e00); }
.stat-icon.info { background: linear-gradient(135deg, var(--info-color), #117a8b); }

.stat-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 4px;
}

.stat-content p {
    color: var(--gray-color);
    font-size: 14px;
}

/* 图表容器 */
.chart-container {
    position: relative;
    height: 300px;
}

/* 信息展示 */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

.info-item {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border-color);
}

.info-label {
    width: 140px;
    color: var(--gray-color);
    flex-shrink: 0;
}

.info-value {
    flex: 1;
    color: #333;
    font-weight: 500;
}

/* 修改信息高亮 */
.text-danger {
    color: var(--danger-color) !important;
}

.text-success {
    color: var(--success-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

.text-muted {
    color: var(--gray-color) !important;
}

/* Select2样式覆盖 */
.select2-container--default .select2-selection--single,
.select2-container--default .select2-selection--multiple {
    border: 1px solid var(--border-color) !important;
    border-radius: var(--border-radius) !important;
    min-height: 42px !important;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    line-height: 40px !important;
    padding-left: 12px !important;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 40px !important;
}

/* 加载动画 */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-color);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h4 {
    font-size: 16px;
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
}

/* 响应式 */
@media (max-width: 768px) {
    /* 显示移动端菜单按钮 */
    .menu-toggle {
        display: block;
    }
    
    /* 移动端侧边栏样式 - 覆盖默认样式 */
    .sidebar {
        width: 240px;
        height: 100vh;
        position: fixed;
        left: -240px; /* 默认隐藏 */
        top: 0; /* 确保从顶部开始 */
        bottom: 0; /* 确保到底部结束 */
        transition: left 0.3s ease;
        z-index: 2000; /* 确保在顶部栏之上 */
        background: linear-gradient(180deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
        color: #fff !important;
    }
    
    /* 侧边栏显示状态 */
    .sidebar.active {
        left: 0;
    }
    
    /* 移动端主内容区样式 - 覆盖默认样式 */
    .main-content {
        margin-left: 0 !important;
        width: 100%;
        transition: all 0.3s ease;
    }
    
    /* 主内容区位移状态 */
    .main-content.shifted {
        transform: translateX(240px);
    }
    
    /* 其他响应式样式 */
    .filter-row {
        flex-direction: column;
    }
    
    .filter-item {
        width: 100%;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
}

/* 工具类 */
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.ml-2 { margin-left: 8px; }
.mr-2 { margin-right: 8px; }
.p-2 { padding: 8px; }
.p-3 { padding: 16px; }
.p-4 { padding: 24px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }
.w-100 { width: 100%; }