/* ===== 锅炉安全生产与能源可视化管理系统 V3.0 企业版 ===== */
:root {
    --primary: #1F4E79; --primary-light: #2E75B6; --primary-bg: #D6E4F0;
    --danger: #D32F2F; --warning: #F57C00; --success: #388E3C;
    --bg: #F5F7FA; --card-bg: #FFFFFF; --text: #333333; --text-light: #666666;
    --border: #E0E0E0; --shadow: 0 2px 8px rgba(0,0,0,0.08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", "PingFang SC", sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; display: flex; }
a { color: var(--primary-light); text-decoration: none; }

/* 侧边栏 */
.sidebar { width: 220px; min-height: 100vh; background: linear-gradient(180deg, #1a3a5c 0%, #1F4E79 100%); color: #fff; position: fixed; left: 0; top: 0; bottom: 0; z-index: 100; display: flex; flex-direction: column; }
.sidebar-logo { padding: 20px; text-align: center; border-bottom: 1px solid rgba(255,255,255,0.15); }
.sidebar-logo h2 { font-size: 16px; font-weight: 600; }
.sidebar-logo small { font-size: 11px; opacity: 0.7; }
.sidebar-nav { flex: 1; padding: 5px 0; overflow-y: auto; }
.sidebar-nav a { display: flex; align-items: center; padding: 10px 20px; color: rgba(255,255,255,0.85); font-size: 13px; transition: all 0.2s; border-left: 3px solid transparent; gap: 8px; }
.sidebar-nav a:hover, .sidebar-nav a.active { background: rgba(255,255,255,0.1); border-left-color: #fff; color: #fff; }
.sidebar-nav a .icon { width: 18px; text-align: center; font-size: 14px; }
.sidebar-footer { padding: 12px 16px; border-top: 1px solid rgba(255,255,255,0.15); font-size: 12px; }
.sidebar-footer .user-info { margin-bottom: 6px; opacity: 0.85; }
.sidebar-footer .btn-logout { background: rgba(255,255,255,0.15); color: #fff; border: none; padding: 5px 14px; border-radius: 4px; cursor: pointer; font-size: 12px; width: 100%; }
.sidebar-footer .btn-logout:hover { background: rgba(255,255,255,0.25); }

/* 项目切换器 */
.project-switcher { width: 100%; padding: 4px 6px; border: 1px solid rgba(255,255,255,0.3); border-radius: 4px; background: rgba(255,255,255,0.1); color: #fff; font-size: 11px; cursor: pointer; }
.project-switcher:focus { outline: none; border-color: rgba(255,255,255,0.6); }
.project-switcher option { color: #333; background: #fff; }

/* 主内容 */
.main-content { margin-left: 220px; flex: 1; padding: 20px; min-height: 100vh; }
.page-header { margin-bottom: 20px; }
.page-header h1 { font-size: 22px; color: var(--primary); }
.page-header p { color: var(--text-light); font-size: 13px; margin-top: 4px; }

/* 卡片 */
.card { background: var(--card-bg); border-radius: 8px; box-shadow: var(--shadow); padding: 20px; margin-bottom: 20px; }
.card-title { font-size: 15px; font-weight: 600; color: var(--primary); margin-bottom: 15px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }

/* 统计卡片 */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 15px; margin-bottom: 20px; }
.stat-card { background: var(--card-bg); border-radius: 8px; box-shadow: var(--shadow); padding: 20px; text-align: center; border-top: 3px solid var(--primary-light); }
.stat-card.warning { border-top-color: var(--warning); }
.stat-card.danger { border-top-color: var(--danger); }
.stat-card.success { border-top-color: var(--success); }
.stat-card .value { font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-card.warning .value { color: var(--warning); }
.stat-card.danger .value { color: var(--danger); }
.stat-card.success .value { color: var(--success); }
.stat-card .label { font-size: 12px; color: var(--text-light); margin-top: 5px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
th { background: var(--primary-bg); color: var(--primary); font-weight: 600; white-space: nowrap; }
tr:hover td { background: #FAFBFC; }
.table-wrap { overflow-x: auto; }

/* 表单 */
.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; color: var(--text-light); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: inherit; transition: border-color 0.2s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(46,117,182,0.1); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }

/* 按钮 */
.btn { display: inline-block; padding: 8px 20px; border-radius: 6px; font-size: 14px; font-weight: 500; cursor: pointer; border: none; transition: all 0.2s; font-family: inherit; text-align: center; }
.btn-primary { background: var(--primary-light); color: #fff; }
.btn-primary:hover { background: var(--primary); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-outline { background: #fff; color: var(--primary-light); border: 1px solid var(--primary-light); }
.btn-outline:hover { background: var(--primary-bg); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-block { width: 100%; }

/* 标签 */
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 500; }
.tag-red { background: #FFEBEE; color: var(--danger); }
.tag-orange { background: #FFF3E0; color: var(--warning); }
.tag-green { background: #E8F5E9; color: var(--success); }
.tag-blue { background: var(--primary-bg); color: var(--primary); }

/* 预警列表 */
.warning-list { max-height: 400px; overflow-y: auto; }
.warning-item { padding: 10px 12px; border-left: 3px solid var(--warning); margin-bottom: 8px; background: #FFF8E1; border-radius: 0 6px 6px 0; font-size: 13px; }
.warning-item.high { border-left-color: var(--danger); background: #FFEBEE; }

/* 参数预警 */
.param-warning-item { padding: 8px 12px; margin-bottom: 6px; border-left: 3px solid var(--danger); background: #FFF5F5; border-radius: 0 6px 6px 0; font-size: 13px; }

/* 弹窗 */
.modal-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 1000; align-items: center; justify-content: center; }
.modal-overlay.show { display: flex; }
.modal { background: #fff; border-radius: 10px; padding: 25px; width: 90%; max-width: 600px; max-height: 80vh; overflow-y: auto; box-shadow: 0 10px 40px rgba(0,0,0,0.2); }
.modal h3 { margin-bottom: 15px; color: var(--primary); }

/* 登录页 */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #1a3a5c 0%, #2E75B6 100%); margin: 0; }
.login-box { background: #fff; border-radius: 12px; padding: 40px; width: 400px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.login-box h1 { text-align: center; color: var(--primary); margin-bottom: 8px; font-size: 22px; }
.login-box .subtitle { text-align: center; color: var(--text-light); font-size: 13px; margin-bottom: 30px; }
.login-box .btn { width: 100%; padding: 12px; font-size: 16px; margin-top: 10px; }

/* 大屏特殊样式 */
.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.dashboard-full { grid-column: 1 / -1; }
.chart-box { height: 300px; }

/* Toast */
.toast { position: fixed; top: 20px; right: 20px; padding: 12px 24px; border-radius: 8px; color: #fff; font-size: 14px; z-index: 9999; animation: slideIn 0.3s ease; }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* 生产报表小时表格 */
.hour-table input { width: 70px; padding: 4px 6px; border: 1px solid var(--border); border-radius: 4px; font-size: 12px; text-align: center; }
.hour-table input.warn-cell { background: #FFD6D6 !important; border-color: var(--danger) !important; }
.hour-table td { padding: 4px 6px; }
.summary-row td { font-weight: 600; background: #F0F4F8; font-size: 14px; }

/* Tab切换 */
.tab-bar { margin-bottom: 15px; display: flex; gap: 8px; flex-wrap: wrap; }

/* 响应式 */
@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar-logo h2, .sidebar-logo small, .sidebar-nav a span, .sidebar-footer { display: none; }
    .sidebar-nav a { justify-content: center; padding: 10px 0; }
    .main-content { margin-left: 60px; }
    .stat-cards { grid-template-columns: repeat(2, 1fr); }
    .dashboard-grid { grid-template-columns: 1fr; }
}