/* ===== 全局 ===== */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:#f0f2f5;color:#333}
a{text-decoration:none;color:inherit}

/* ===== 布局 ===== */
.app-wrapper{display:flex;min-height:100vh}
.sidebar{width:220px;background:linear-gradient(180deg,#1e2a3a 0%,#253547 100%);color:#bfc9d4;
  display:flex;flex-direction:column;flex-shrink:0;position:fixed;top:0;left:0;bottom:0;z-index:100}
.sidebar .logo{padding:22px 20px;font-size:16px;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;gap:10px;letter-spacing:.5px}
.sidebar .logo span{font-size:12px;opacity:.6;font-weight:400}
.sidebar nav{flex:1;padding:12px 0}
.sidebar nav a{display:flex;align-items:center;padding:12px 24px;font-size:14px;color:#8fa3b8;
  transition:all .2s;border-left:3px solid transparent}
.sidebar nav a:hover{background:rgba(255,255,255,.06);color:#d0dbe6}
.sidebar nav a.active{color:#fff;background:rgba(64,158,255,.15);border-left-color:#409eff}
.sidebar nav a .icon{margin-right:10px;font-size:16px;width:20px;text-align:center}

.main-area{margin-left:220px;flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:56px;background:#fff;display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;box-shadow:0 1px 4px rgba(0,0,0,.06);position:sticky;top:0;z-index:90}
.topbar .title{font-size:15px;font-weight:600;color:#1a1a1a}
.topbar .user{font-size:13px;color:#666;display:flex;align-items:center;gap:12px}
.topbar .user button{background:none;border:1px solid #dcdfe6;border-radius:4px;padding:4px 12px;
  font-size:12px;cursor:pointer;color:#606266}
.topbar .user button:hover{border-color:#409eff;color:#409eff}

.content{padding:20px 24px;flex:1}

/* ===== 统计卡片 ===== */
.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.stat-card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 1px 3px rgba(0,0,0,.04);
  display:flex;align-items:center;gap:16px;transition:box-shadow .2s}
.stat-card:hover{box-shadow:0 4px 12px rgba(0,0,0,.08)}
.stat-card .icon-box{width:48px;height:48px;border-radius:10px;display:flex;align-items:center;
  justify-content:center;font-size:22px;color:#fff;flex-shrink:0}
.stat-card .icon-box.blue{background:linear-gradient(135deg,#409eff,#66b1ff)}
.stat-card .icon-box.green{background:linear-gradient(135deg,#67c23a,#85ce61)}
.stat-card .icon-box.orange{background:linear-gradient(135deg,#e6a23c,#ebb563)}
.stat-card .icon-box.red{background:linear-gradient(135deg,#f56c6c,#f89898)}
.stat-card .info .label{font-size:13px;color:#909399;margin-bottom:4px}
.stat-card .info .value{font-size:22px;font-weight:700;color:#1a1a1a}
.stat-card .info .sub{font-size:12px;color:#909399;margin-top:2px}

/* ===== 图表容器 ===== */
.chart-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}
.chart-box{background:#fff;border-radius:8px;padding:16px 20px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.chart-box .chart-title{font-size:14px;font-weight:600;color:#303133;margin-bottom:12px;
  padding-bottom:10px;border-bottom:1px solid #f0f0f0}
.chart-box .chart{width:100%;height:320px}

.chart-full{grid-column:1/-1}

/* ===== 表格 ===== */
.panel{background:#fff;border-radius:8px;padding:20px;box-shadow:0 1px 3px rgba(0,0,0,.04);margin-bottom:20px}
.panel .panel-title{font-size:15px;font-weight:600;margin-bottom:16px;color:#303133}
.filter-bar{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap;align-items:center}
.filter-bar select,.filter-bar input{height:34px;border:1px solid #dcdfe6;border-radius:4px;
  padding:0 10px;font-size:13px;outline:none}
.filter-bar select:focus,.filter-bar input:focus{border-color:#409eff}
.filter-bar button,.btn{height:34px;border:none;border-radius:4px;padding:0 16px;font-size:13px;
  cursor:pointer;color:#fff;background:#409eff;transition:background .2s}
.filter-bar button:hover,.btn:hover{background:#66b1ff}
.btn-success{background:#67c23a}.btn-success:hover{background:#85ce61}
.btn-warning{background:#e6a23c}.btn-warning:hover{background:#ebb563}
.btn-sm{height:28px;padding:0 10px;font-size:12px}

table{width:100%;border-collapse:collapse;font-size:13px}
thead th{background:#fafafa;padding:10px 12px;text-align:left;color:#606266;font-weight:600;
  border-bottom:1px solid #ebeef5}
tbody td{padding:10px 12px;border-bottom:1px solid #ebeef5;color:#606266}
tbody tr:hover{background:#f5f7fa}
.pagination{display:flex;justify-content:flex-end;align-items:center;gap:8px;margin-top:12px;font-size:13px}
.pagination button{width:30px;height:30px;border:1px solid #dcdfe6;border-radius:4px;background:#fff;
  cursor:pointer;font-size:13px}
.pagination button:hover{border-color:#409eff;color:#409eff}
.pagination span{color:#606266}

/* ===== 预测面板 ===== */
.predict-controls{display:flex;gap:12px;margin-bottom:20px;align-items:center;flex-wrap:wrap}
.metric-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}
.metric-card{background:#f7f9fc;border-radius:6px;padding:14px 16px;display:flex;align-items:center;gap:12px}
.metric-card .metric-val{font-size:18px;font-weight:700;color:#409eff;white-space:nowrap}
.metric-card .metric-label{font-size:12px;color:#909399;line-height:1.4}

/* ===== 报告 ===== */
.report-item{padding:16px;border-bottom:1px solid #ebeef5;display:flex;flex-direction:column;gap:0;cursor:pointer}
.report-item:last-child{border-bottom:none}
.report-item .report-title{font-weight:600;color:#303133;margin-bottom:4px}
.report-item .report-meta{font-size:12px;color:#909399;display:flex;align-items:center;gap:8px;margin-top:4px}
.report-chevron{color:#c0c4cc;font-size:12px;flex-shrink:0}
.report-item .report-row{display:flex;justify-content:space-between;align-items:center}
.report-content{white-space:pre-line;background:#f7f9fc;padding:16px;border-radius:6px;margin-top:12px;
  font-size:13px;line-height:1.8}

/* ===== 登录 ===== */
.login-mask{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;
  justify-content:center;z-index:999}
.login-box{background:#fff;border-radius:8px;padding:36px 32px;width:360px;box-shadow:0 4px 20px rgba(0,0,0,.12)}
.login-box h2{text-align:center;margin-bottom:24px;color:#1a1a1a;font-size:18px}
.login-box .field{margin-bottom:16px}
.login-box .field label{display:block;font-size:13px;color:#606266;margin-bottom:6px}
.login-box .field input{width:100%;height:38px;border:1px solid #dcdfe6;border-radius:4px;padding:0 12px;
  font-size:14px;outline:none}
.login-box .field input:focus{border-color:#409eff}
.login-box button{width:100%;height:40px;background:#409eff;color:#fff;border:none;border-radius:4px;
  font-size:15px;cursor:pointer;margin-top:8px}
.login-box button:hover{background:#66b1ff}

/* ===== 响应式 ===== */
@media(max-width:1200px){.stat-cards{grid-template-columns:repeat(2,1fr)}.chart-row{grid-template-columns:1fr}}
@media(max-width:768px){.sidebar{display:none}.main-area{margin-left:0}}

/* ===== 标签 ===== */
.tag{display:inline-block;padding:2px 8px;border-radius:3px;font-size:12px}
.tag-success{background:#f0f9eb;color:#67c23a}
.tag-warning{background:#fdf6ec;color:#e6a23c}
.tag-danger{background:#fef0f0;color:#f56c6c}
.tag-info{background:#ecf5ff;color:#409eff}

/* ===== 加载 ===== */
.loading{text-align:center;padding:60px 0;color:#909399;font-size:14px}

/* ===== Toast 通知 ===== */
.toast-wrap{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{padding:10px 16px;border-radius:6px;font-size:13px;color:#fff;box-shadow:0 4px 12px rgba(0,0,0,.2);animation:toastIn .25s ease;min-width:180px;max-width:300px;display:flex;align-items:center;gap:8px;pointer-events:auto;line-height:1.5}
.toast-success{background:#67c23a}
.toast-error{background:#f56c6c}
.toast-warning{background:#e6a23c}
.toast-info{background:#409eff}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}

/* ===== 空状态 ===== */
.empty-state{text-align:center;padding:48px 20px;color:#c0c4cc}
.empty-state .empty-icon{font-size:36px;display:block;margin-bottom:12px;opacity:.45}
.empty-state p{font-size:13px;margin:0}

/* ===== 错误状态 ===== */
.error-msg{display:flex;align-items:center;justify-content:center;gap:6px;padding:16px 20px;color:#f56c6c;font-size:13px;background:#fef0f0;border-radius:6px;margin-bottom:16px}
.error-msg i{font-size:15px;flex-shrink:0}

/* ===== 页面加载条 ===== */
.page-loading{height:3px;background:linear-gradient(90deg,transparent,#409eff 40%,#66b1ff 60%,transparent);background-size:200% 100%;animation:pgload 1.1s linear infinite;border-radius:2px;margin-bottom:16px}
@keyframes pgload{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ===== 按钮禁用 ===== */
button:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}

/* ===== 分页信息 ===== */
.pagination-info{color:#909399;font-size:13px}

/* ===== 系统信息标签列 ===== */
.info-label{width:200px;font-weight:600;color:#303133}

/* ===== 时段提示条 ===== */
.period-tip{background:#f0f9eb;border-radius:6px;padding:11px 16px;margin-bottom:12px;font-size:13px;color:#529b2e;display:flex;align-items:center;gap:6px}

/* ===== 提示文字（表格辅助列） ===== */
.tip-text{font-size:12px;color:#909399}

/* ===== 无边框图表容器（预测图） ===== */
.chart-box--flat{box-shadow:none!important;padding:0!important;margin-top:12px}