/**
 * 智慧村居管理系统 - 主样式文件
 * 现代化UI设计，响应式布局，渐变配色
 */

/* ====== 全局重置与变量 ====== */
:root{
    --primary: #667eea;
    --primary-light: #8b9cf7;
    --primary-dark: #5a67d8;
    --secondary: #764ba2;
    --accent: #f093fb;
    --success: #52c41a;
    --warning: #faad14;
    --danger: #ff4d4f;
    --info: #1890ff;
    --bg-body: #f0f2f5;
    --bg-card: #ffffff;
    --text-primary: #1a1a2e;
    --text-secondary: #666;
    --text-muted: #999;
    --border-color: #e8e8e8;
    --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --sidebar-width: 240px;
    --header-height: 60px;
    --transition: all .25s ease;
}

*{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:var(--text-primary);background:var(--bg-body);-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto}

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

/* ====== 侧边栏 ====== */
.sidebar{width:var(--sidebar-width);background:linear-gradient(180deg,#1a1a2e 0%,#16213e 100%);color:#fff;position:fixed;top:0;left:0;bottom:0;z-index:100;overflow-y:auto;transition:var(--transition)}
.sidebar-header{padding:24px 20px;text-align:center;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar-logo{font-size:22px;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.sidebar-subtitle{font-size:11px;color:rgba(255,255,255,.45);margin-top:4px}

.sidebar-nav{padding:12px 0}
.nav-section{margin-bottom:8px}
.nav-section-title{padding:10px 20px 6px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.3);font-weight:600}
.nav-item{display:flex;align-items:center;padding:11px 20px;color:rgba(255,255,255,.7);font-size:14px;transition:var(--transition);border-left:3px solid transparent;cursor:pointer;position:relative}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{background:rgba(102,126,234,.15);color:#fff;border-left-color:var(--primary)}
.nav-item .nav-icon{width:22px;margin-right:12px;font-size:17px;text-align:center;flex-shrink:0}
.nav-item .nav-badge{margin-left:auto;background:var(--danger);color:#fff;font-size:11px;padding:1px 7px;border-radius:10px;min-width:18px;text-align:center}
.nav-item .nav-arrow{margin-left:auto;font-size:12px;opacity:.5;transition:transform .2s}
.nav-item.expanded .nav-arrow{transform:rotate(90deg)}

/* 子菜单 */
.sub-nav{background:rgba(0,0,0,.15);display:none}
.nav-item.expanded + .sub-nav{display:block}
.sub-nav .nav-item{padding:9px 20px 9px 54px;font-size:13px;border-left-color:transparent}
.sub-nav .nav-item.active{background:rgba(102,126,234,.1);color:var(--primary-light)}

/* ====== 主内容区 ====== */
.main-content{flex:1;margin-left:var(--sidebar-width);display:flex;flex-direction:column;min-height:100vh}

/* 顶部栏 */
.header{height:var(--header-height);background:var(--bg-card);display:flex;align-items:center;justify-content:space-between;padding:0 24px;box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:50}
.header-left{display:flex;align-items:center;gap:16px}
.menu-toggle{display:none;width:36px;height:36px;border:none;background:none;font-size:20px;cursor:pointer;color:var(--text-secondary);border-radius:var(--radius-sm)}
.breadcrumb{font-size:14px;color:var(--text-muted)}
.breadcrumb span{color:var(--text-secondary)}
.header-right{display:flex;align-items:center;gap:16px}
.header-user{display:flex;align-items:center;gap:8px;cursor:pointer;padding:6px 12px;border-radius:var(--radius-md);transition:var(--transition);position:relative}
.header-user:hover{background:var(--bg-body)}
.user-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;object-fit:cover}
.user-info{text-align:right;line-height:1.3}
.user-name{font-size:13px;font-weight:600;color:var(--text-primary)}
.user-role{font-size:11px;color:var(--text-muted)}
.user-menu{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border-radius:var(--radius-md);box-shadow:0 8px 24px rgba(0,0,0,.12);min-width:180px;padding:6px 0;display:none;z-index:1000;border:1px solid #f0f0f0}
.user-menu.show{display:block}
.user-menu-item{display:block;padding:10px 18px;color:var(--text-primary);font-size:14px;text-decoration:none;transition:background .2s}
.user-menu-item:hover{background:var(--bg-body)}
.user-menu-logout{color:var(--danger)}
.user-menu-divider{height:1px;background:#f0f0f0;margin:4px 0}

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

/* ====== 卡片组件 ====== */
.card{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;margin-bottom:20px;transition:var(--transition)}
.card:hover{box-shadow:var(--shadow-md)}
.card-header{padding:18px 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border-color)}
.card-title{font-size:16px;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:8px}
.card-title .card-icon{font-size:20px}
.card-actions{display:flex;align-items:center;gap:8px}
.card-body{padding:24px}
.card-footer{padding:14px 24px;border-top:1px solid var(--border-color);background:#fafbfc}

/* ====== 统计卡片 ====== */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:20px 24px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow-sm);transition:var(--transition);cursor:pointer}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.stat-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}
.stat-icon.blue{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}
.stat-icon.green{background:linear-gradient(135deg,#43e97b,#38f9d7);color:#fff}
.stat-icon.orange{background:linear-gradient(135deg,#fa709a,#fee140);color:#fff}
.stat-icon.red{background:linear-gradient(135deg,#ff6b6b,#ffa500);color:#fff}
.stat-icon.cyan{background:linear-gradient(135deg,#4facfe,#00f2fe);color:#fff}
.stat-info h3{font-size:26px;font-weight:800;color:var(--text-primary);line-height:1.2}
.stat-info p{font-size:12px;color:var(--text-muted);margin-top:2px}

/* ====== 表格 ====== */
.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}
.data-table{width:100%;border-collapse:collapse;font-size:13px}
.data-table th{background:#f8f9fc;padding:12px 16px;text-align:left;font-weight:600;color:var(--text-secondary);white-space:nowrap;border-bottom:2px solid var(--border-color);position:sticky;top:0}
.data-table td{padding:11px 16px;border-bottom:1px solid #f5f5f5;vertical-align:middle}
.data-table tr:hover td{background:#fafbff}
.data-table tr.selected td{background:#e6f7ff}
.data-table .actions{display:flex;gap:6px;white-space:nowrap}

/* ====== 按钮 ====== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 18px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer;border:none;transition:var(--transition);white-space:nowrap;line-height:1.5}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;box-shadow:0 2px 8px rgba(102,126,234,.3)}
.btn-primary:hover{box-shadow:0 4px 16px rgba(102,126,234,.4);transform:translateY(-1px)}
.btn-success{background:linear-gradient(135deg,#52c41a,#389e0d);color:#fff;box-shadow:0 2px 8px rgba(82,196,26,.3)}
.btn-success:hover{box-shadow:0 4px 16px rgba(82,196,26,.4)}
.btn-warning{background:linear-gradient(135deg,#faad14,#d48806);color:#fff;box-shadow:0 2px 8px rgba(250,173,20,.3)}
.btn-danger{background:linear-gradient(135deg,#ff4d4f,#cf1322);color:#fff;box-shadow:0 2px 8px rgba(255,77,79,.3)}
.btn-info{background:linear-gradient(135deg,#1890ff,#096dd9);color:#fff;box-shadow:0 2px 8px rgba(24,144,255,.3)}
.btn-outline{background:transparent;border:2px solid var(--border-color);color:var(--text-secondary)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-lg{padding:12px 28px;font-size:15px}
.btn-block{width:100%}
.btn-group{display:flex;gap:8px;flex-wrap:wrap}

/* ====== 表单 ====== */
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.form-group{margin-bottom:18px}
.form-group label{display:block;margin-bottom:6px;font-weight:600;color:var(--text-primary);font-size:13px}
.form-group label .required{color:var(--danger);margin-left:2px}
.form-control{width:100%;padding:10px 14px;border:2px solid var(--border-color);border-radius:var(--radius-sm);font-size:14px;transition:var(--transition);background:#fff}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(102,126,234,.1)}
textarea.form-control{resize:vertical;min-height:80px}
select.form-control{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 d='M6 8L1 3h10z' fill='%23999'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
.form-hint{font-size:12px;color:var(--text-muted);margin-top:4px}

/* 搜索栏 */
.search-bar{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}
.search-bar .form-control{max-width:260px}
.search-bar .btn{flex-shrink:0}

/* ====== 分页 ====== */
.pagination{display:flex;align-items:center;justify-content:space-between;padding:16px 0;flex-wrap:wrap;gap:10px}
.pagination-info{font-size:13px;color:var(--text-muted)}
.pagination-pages{display:flex;gap:4px}
.page-btn{min-width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border-color);border-radius:var(--radius-sm);font-size:13px;color:var(--text-secondary);transition:var(--transition);cursor:pointer}
.page-btn:hover{border-color:var(--primary);color:var(--primary)}
.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* ====== 标签/徽章 ====== */
.tag{display:inline-block;padding:2px 10px;border-radius:20px;font-size:12px;font-weight:500}
.tag-blue{background:#e6f7ff;color:#1890ff;border:1px solid #91d5ff}
.tag-green{background:#f6ffed;color:#52c41a;border:1px solid #b7eb8f}
.tag-orange{background:#fffbe6;color:#faad14;border:1px solid #ffe58f}
.tag-red{background:#fff2f0;color:#ff4d4f;border:1px solid #ffccc7}
.tag-gray{background:#fafafa;color:#999;border:1px solid #d9d9d9}

/* ====== 空状态 ====== */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty-state .empty-icon{font-size:64px;margin-bottom:16px}
.empty-state h3{font-size:16px;color:var(--text-secondary);margin-bottom:8px}
.empty-state p{font-size:13px}

/* ====== Modal弹窗 ====== */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:1000;display:none;align-items:center;justify-content:center;backdrop-filter:blur(4px);animation:fadeIn .2s}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:var(--radius-lg);width:90%;max-width:560px;max-height:85vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);animation:slideUp .3s}
.modal-header{padding:18px 24px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:17px;font-weight:700}
.modal-close{width:32px;height:32px;border:none;background:none;font-size:20px;cursor:pointer;color:var(--text-muted);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.modal-close:hover{background:#f5f5f5;color:var(--text-primary)}
.modal-body{padding:24px;overflow-y:auto;flex:1}
.modal-footer{padding:14px 24px;border-top:1px solid var(--border-color);display:flex;justify-content:flex-end;gap:10px;background:#fafbfc}

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

/* ====== 提示消息 ====== */
.toast-container{position:fixed;top:20px;right:20px;z-index:2000;display:flex;flex-direction:column;gap:10px}
.toast{padding:14px 20px;border-radius:var(--radius-md);color:#fff;font-size:14px;font-weight:500;box-shadow:var(--shadow-lg);animation:slideInRight .3s;min-width:250px;display:flex;align-items:center;gap:10px}
.toast.success{background:linear-gradient(135deg,#52c41a,#389e0d)}
.toast.error{background:linear-gradient(135deg,#ff4d4f,#cf1322)}
.toast.warning{background:linear-gradient(135deg,#faad14,#d48806)}
.toast.info{background:linear-gradient(135deg,#1890ff,#096dd9)}
@keyframes slideInRight{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* ====== 工具栏 ====== */
.toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.toolbar-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.toolbar-right{display:flex;align-items:center;gap:8px}

/* ====== Tab标签页 ====== */
.tabs{display:flex;border-bottom:2px solid var(--border-color);margin-bottom:20px;overflow-x:auto}
.tab-item{padding:10px 20px;font-size:14px;font-weight:600;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:var(--transition);white-space:nowrap}
.tab-item:hover{color:var(--primary)}
.tab-item.active{color:var(--primary);border-bottom-color:var(--primary)}

/* ====== 详情展示 ====== */
.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.detail-item{padding:12px 16px;background:#fafbfc;border-radius:var(--radius-sm);border-left:3px solid var(--primary)}
.detail-label{font-size:12px;color:var(--text-muted);margin-bottom:4px}
.detail-value{font-size:15px;font-weight:600;color:var(--text-primary)}

/* ====== 响应式 ====== */
@media(max-width:1024px){
    :root{--sidebar-width:200px}
    .stats-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}
}
@media(max-width:768px){
    .sidebar{transform:translateX(-100%)}
    .sidebar.open{transform:translateX(0);box-shadow:var(--shadow-lg)}
    .main-content{margin-left:0}
    .menu-toggle{display:flex}
    .header{padding:0 16px}
    .page-content{padding:16px}
    .card-body{padding:16px}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .form-row{grid-template-columns:1fr}
    .modal{width:95%;max-height:90vh}
    .toolbar{flex-direction:column;align-items:stretch}
    .search-bar{flex-direction:column}
    .search-bar .form-control{max-width:100%}
    .data-table{font-size:12px}
    .data-table th,.data-table td{padding:8px 10px}
}

/* ====== 打印样式 ====== */
@media print{
    .sidebar,.header,.toolbar,.pagination,.btn,.modal-overlay{display:none!important}
    .main-content{margin-left:0!important}
    .page-content{padding:0!important}
    .card{box-shadow:none;border:1px solid #ddd}
}

/* ====== 动画辅助 ====== */
.fade-in{animation:fadeIn .3s}
.slide-up{animation:slideUp .3s}
.pulse{animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}

/* ====== 加载动画 ====== */
.loading-spinner{width:36px;height:36px;border:3px solid var(--border-color);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:20px auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* ====== 特殊组件 ====== */
.photo-thumb{width:48px;height:48px;border-radius:8px;object-fit:cover;border:2px solid #eee}
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px}
.status-dot.online{background:var(--success)}
.status-dot.offline{background:var(--text-muted)}

.quick-actions{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}
.quick-action{display:flex;flex-direction:column;align-items:center;padding:16px 10px;border-radius:var(--radius-md);background:var(--bg-card);box-shadow:var(--shadow-sm);cursor:pointer;transition:var(--transition)}
.quick-action:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.quick-action .qa-icon{font-size:28px;margin-bottom:8px}
.quick-action .qa-text{font-size:12px;font-weight:600;color:var(--text-secondary);text-align:center}