:root{--bg:#f4f6f8;--panel:#ffffff;--border:#e2e6ea;--ink:#1c2530;--muted:#7a8794;--accent:#2f7de1;--accent-soft:#eaf2fd;--good:#2fb673;--bar:#3ecf6a;--radius:10px}*{box-sizing:border-box}button{font-family:inherit;font-size:13px;padding:7px 14px;border:1px solid var(--border);border-radius:6px;background:var(--panel);color:var(--ink);cursor:pointer}button:hover{border-color:var(--accent)}button:disabled{opacity:.6;cursor:default}body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink)}.app{display:flex;min-height:100vh}.sidebar{width:92px;background:#14202b;padding:20px 10px;display:flex;flex-direction:column;gap:10px}.nav-btn{background:#1d2b38;color:#cfd8e1;border:none;border-radius:8px;padding:14px 6px;font-size:12px;line-height:1.3;cursor:pointer}.nav-btn.active{background:var(--accent);color:#fff}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:56px;background:var(--panel);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:flex-end;gap:24px;padding:0 24px;font-size:14px;color:var(--muted)}.user{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:500}.avatar{width:30px;height:30px;border-radius:50%;background:var(--accent-soft);border:1px solid var(--border)}.content{display:grid;grid-template-columns:320px 1fr;gap:16px;padding:16px}.col-left,.col-right{display:flex;flex-direction:column;gap:16px;min-width:0}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.panel h3{margin:0 0 12px;font-size:14px;color:var(--muted);font-weight:600;letter-spacing:.02em}.panel h4{margin:16px 0 8px;font-size:13px;color:var(--muted);font-weight:600}.panel h4:first-of-type{margin-top:0}.kwh-row{display:flex;gap:12px}.kwh-box{flex:1;background:#fafbfc;border:1px solid var(--border);border-radius:8px;padding:12px}.kwh-label{font-size:12px;color:var(--muted)}.kwh-value{font-size:26px;font-weight:700;margin-top:2px}.kwh-value small{font-size:13px;color:var(--muted);margin-left:4px;font-weight:400}.co2{font-size:11px;color:var(--good);margin-top:4px}.demand-bar-wrap{display:flex;align-items:center;gap:10px}.demand-bar{flex:1;height:34px;background:#f0f2f5;border-radius:6px;overflow:hidden;position:relative}.demand-fill{height:100%;background:var(--accent);display:flex;align-items:center;padding-left:10px;color:#fff;font-weight:600;font-size:13px;transition:width .4s ease;white-space:nowrap}.demand-max{font-size:11px;color:var(--muted)}.demand-caption{margin-top:8px;font-size:12px;color:var(--muted)}.ranking-table{width:100%;border-collapse:collapse;margin-bottom:8px}.ranking-table .total-row td{font-weight:700;font-size:16px;padding-bottom:8px}.rank-row{display:flex;justify-content:space-between;font-size:13px;padding:6px 0;border-top:1px solid var(--border)}.rank-row .name{color:var(--ink)}.rank-row .val{color:var(--muted)}.diary{list-style:none;margin:0;padding:0;font-size:13px}.diary li{padding:6px 0;display:flex;gap:8px;align-items:baseline;color:var(--ink)}.diary .dot{width:8px;height:8px;border-radius:50%;background:var(--good);flex-shrink:0}.diary .dot.warn{background:#e0523f}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:12px}.tab-btn{background:0 0;border:none;padding:10px 14px;font-size:13px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.info-table{width:100%;border-collapse:collapse;font-size:13px}.info-table th{text-align:left;color:var(--muted);font-weight:600;padding:6px 4px;border-bottom:1px solid var(--border)}.info-table td{padding:8px 4px;border-bottom:1px solid var(--border)}.info-table td.offline{color:#c0392b}.detect-log{min-height:120px;border:1px solid var(--border);border-radius:6px;padding:10px;font-size:12px;color:var(--muted)}@media (max-width:900px){.content{grid-template-columns:1fr}}.channel-list{display:flex;flex-direction:column;gap:6px}.channel-item{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--border);border-radius:6px;padding:10px 12px;cursor:pointer;font-size:13px;background:#fafbfc}.channel-item:hover{border-color:var(--accent)}.channel-item.active{border-color:var(--accent);background:var(--accent-soft);font-weight:600}.channel-item .wiring{color:var(--muted);font-size:11px}.describe-box{min-height:60px;font-size:13px;color:var(--muted)}.rt-header{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.rt-kwh{font-size:26px;font-weight:700}.rt-kwh small{font-size:13px;color:var(--muted);font-weight:400;margin-left:4px}.rt-phases{display:flex;gap:18px}.rt-phase{font-size:12px;text-align:center}.rt-phase .ph-label{font-weight:700}.rt-phase.a .ph-label{color:#2fb673}.rt-phase.b .ph-label{color:#c0392b}.rt-phase.c .ph-label{color:#2f7de1}.rt-total{font-size:12px;color:var(--muted)}.rt-total strong{font-size:20px;color:var(--ink);display:block}.rt-balance{display:flex;gap:10px;font-size:11px;color:var(--muted);align-items:center}.rt-balance .dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:3px}.rt-demand{flex:1;min-width:180px}.rt-demand .demand-bar{height:26px}.heatmap-scroll{overflow-x:auto}.heatmap{border-collapse:collapse;font-size:10px}.heatmap td,.heatmap th{border:1px solid #fff;padding:4px 6px;text-align:center;white-space:nowrap}.heatmap th{color:var(--muted);font-weight:500}.heatmap td.day-label{text-align:right;color:var(--ink);font-weight:600;padding-right:10px}.heatmap-halfhour td,.heatmap-halfhour th{padding:4px 3px;min-width:16px}.heat-future{background:#cfe3fb}.heat-nodata{background:repeating-linear-gradient(45deg,#eceff2,#eceff2 4px,#e2e6ea 4px,#e2e6ea 8px)}.heatmap-legend{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px;font-size:12px;color:var(--muted)}.heatmap-legend i{display:inline-block;width:12px;height:12px;border-radius:2px;vertical-align:-1px;margin-right:4px}.tree{padding:20px 10px}.tree-main{display:inline-block;border:1px solid var(--ink);border-radius:6px;padding:10px 20px;font-weight:600;margin-bottom:20px}.tree-children{display:flex;gap:16px;flex-wrap:wrap;padding-top:16px;border-top:2px solid var(--border)}.tree-child{border:1px solid var(--border);border-radius:6px;padding:8px 16px;font-size:13px;background:#fafbfc}.tree-child.selected{border-color:var(--accent);background:var(--accent-soft);font-weight:600}.range-controls{display:flex;gap:14px;flex-wrap:wrap;align-items:end;margin-bottom:12px;font-size:12px;color:var(--muted)}.range-controls label{display:flex;flex-direction:column;gap:4px}.range-controls input,.range-controls select{padding:5px 6px;border:1px solid var(--border);border-radius:4px;font-size:12px}.range-controls button{padding:6px 14px;border:none;background:var(--accent);color:#fff;border-radius:4px;cursor:pointer;font-size:12px;align-self:end}.range-stats{display:flex;gap:24px;font-size:12px;color:var(--muted);margin-bottom:10px;flex-wrap:wrap}.range-stats strong{color:var(--ink);font-size:14px}.monthly-peaks{display:flex;gap:10px;flex-wrap:wrap}.monthly-peaks .peak-box{border:1px solid var(--border);border-radius:6px;padding:8px 14px;font-size:12px;background:#fafbfc}.monthly-peaks .peak-box strong{display:block;font-size:16px;margin-top:2px}.brand{margin-right:auto;display:flex;align-items:center}.logo{height:34px;width:auto;display:block}.theme-toggle{background:0 0;border:1px solid var(--border);border-radius:6px;padding:4px 10px;cursor:pointer;font-size:15px;line-height:1.5;color:var(--ink)}.theme-toggle:hover{border-color:var(--accent)}:root[data-theme=dark]{--bg:#10151b;--panel:#19212a;--border:#2a3441;--ink:#e7edf3;--muted:#8b98a6;--accent:#4a90f2;--accent-soft:#1c2a3d;--good:#3ecf6a;--bar:#3ecf6a}:root[data-theme=dark] .channel-item,:root[data-theme=dark] .demand-bar,:root[data-theme=dark] .kwh-box,:root[data-theme=dark] .peak-box,:root[data-theme=dark] .tree-child{background:#141b23}:root[data-theme=dark] input:not([type=checkbox]):not([type=radio]),:root[data-theme=dark] select,:root[data-theme=dark] textarea{background:#141b23;color:var(--ink);border-color:var(--border)}:root[data-theme=dark] select option{background:#141b23;color:var(--ink)}:root[data-theme=dark] input[type=file]::-webkit-file-upload-button,:root[data-theme=dark] input[type=file]::file-selector-button{background:var(--panel);color:var(--ink);border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer}:root[data-theme=dark] input::placeholder,:root[data-theme=dark] textarea::placeholder{color:var(--muted)}:root[data-theme=dark] .heat-future{background:#1c3352}:root[data-theme=dark] .heat-nodata{background:repeating-linear-gradient(45deg,#1a1f26,#1a1f26 4px,#22282f 4px,#22282f 8px)}:root[data-theme=dark] .heatmap td,:root[data-theme=dark] .heatmap th{border-color:#10151b}.live-current{font-size:14px;color:var(--muted);margin-bottom:8px}.live-current strong{font-size:20px;color:var(--ink)}.live-caption{font-size:11px;color:var(--muted);margin-top:6px}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.auth-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:32px;width:340px}.auth-card h1{font-size:18px;margin:0 0 20px}.auth-tabs{display:flex;gap:4px;margin-bottom:20px;border-bottom:1px solid var(--border)}.auth-tab{flex:1;background:0 0;border:none;padding:10px;font-size:13px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent}.auth-tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.auth-card label{display:block;font-size:12px;color:var(--muted);margin-bottom:14px}.auth-card input{width:100%;padding:8px;margin-top:4px;border:1px solid var(--border);border-radius:6px;font-size:14px}.auth-submit{width:100%;padding:10px;border:none;background:var(--accent);color:#fff;border-radius:6px;cursor:pointer;font-size:14px;margin-top:6px}.auth-status{font-size:12px;color:var(--muted);margin-top:12px;min-height:16px}.site-switcher{display:flex;align-items:center;gap:8px;margin-right:16px}.site-switcher select{padding:6px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px;background:var(--panel);color:var(--ink)}.site-list{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.site-item-row{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--border);border-radius:8px;padding:12px 14px;font-size:14px}.new-site-row{display:flex;gap:8px}.new-site-row input{flex:1;padding:8px;border:1px solid var(--border);border-radius:6px}.new-site-row button{padding:8px 16px;border:none;background:var(--accent);color:#fff;border-radius:6px;cursor:pointer}.status-text{font-size:12px;color:var(--muted);margin-top:8px}.api-key-box{background:#fafbfc;border:1px solid var(--border);border-radius:8px;padding:12px;margin-bottom:8px}.api-key-box code{display:block;margin-top:6px;font-size:13px;word-break:break-all;background:#eef1f4;padding:8px;border-radius:4px}:root[data-theme=dark] .api-key-box code{background:#10151b}:root[data-theme=dark] #recsContent{background:#141b23}:root[data-theme=dark] *{scrollbar-color:#3a4451 #141b23}:root[data-theme=dark] ::-webkit-scrollbar{width:10px;height:10px}:root[data-theme=dark] ::-webkit-scrollbar-track{background:#141b23}:root[data-theme=dark] ::-webkit-scrollbar-thumb{background:#3a4451;border-radius:6px}:root[data-theme=dark] ::-webkit-scrollbar-thumb:hover{background:#4a5568}:root[data-theme=dark] .api-key-box,:root[data-theme=dark] .channel-item,:root[data-theme=dark] .kwh-box,:root[data-theme=dark] .site-item-row{background:#141b23}#insightsList div{padding:4px 0;font-size:13px;color:var(--ink)}#recsContent{background:#fafbfc}#mdAlertsList h4{margin:8px 0 4px}.alarm-table{width:100%;border-collapse:collapse;font-size:13px}.alarm-table th{text-align:left;color:var(--muted);font-weight:500;padding:8px 10px;border-bottom:1px solid var(--border)}.alarm-table td{padding:10px;border-bottom:1px solid var(--border);vertical-align:middle}.alarm-setting input[type=number]{width:80px;padding:3px 6px;border:1px solid var(--border);border-radius:4px;background:var(--bg);color:var(--ink)}.alarm-setting div{margin-bottom:3px}.alarm-save{margin-top:4px;padding:3px 10px;border:1px solid var(--accent);background:0 0;color:var(--accent);border-radius:5px;cursor:pointer;font-size:12px}.alarm-save-status{margin-left:6px;font-size:12px;color:var(--muted)}.switch{position:relative;display:inline-block;width:34px;height:18px}.switch input{opacity:0;width:0;height:0}.switch .slider{position:absolute;inset:0;background:#cfd5db;border-radius:999px;cursor:pointer;transition:background .15s}.switch .slider::before{content:"";position:absolute;width:14px;height:14px;left:2px;top:2px;background:#fff;border-radius:50%;transition:transform .15s}.switch input:checked+.slider{background:#3ecf6a}.switch input:checked+.slider::before{transform:translateX(16px)}.alarm-status-label{font-weight:600;font-size:12px}.alarm-status-label.alarm-normal{color:#3ecf6a}.alarm-status-label.alarm-warning{color:#e0a418}.alarm-status-label.alarm-abnormal{color:#e6483c}.alarm-gauge{position:relative;height:5px;border-radius:3px;margin-top:6px;width:160px}.alarm-gauge-ramp{background:linear-gradient(to right,#3ecf6a 0 10%,#e0a418 10% 90%,#e6483c 90% 100%)}.alarm-gauge-band{background:linear-gradient(to right,#e6483c 0 2%,#e0a418 2% 10%,#3ecf6a 10% 90%,#e0a418 90% 98%,#e6483c 98% 100%)}.alarm-gauge-dot{position:absolute;top:-3px;width:10px;height:10px;border-radius:50%;background:#2b3440;border:2px solid #fff;transform:translateX(-50%)}:root[data-theme=dark] .switch .slider{background:#3a434e}:root[data-theme=dark] .switch input:checked+.slider{background:#3ecf6a}:root[data-theme=dark] .alarm-gauge-dot{border-color:#10151b}.alarm-bell-wrap{position:relative}.alarm-bell{position:relative;background:0 0;border:none;font-size:18px;cursor:pointer;padding:4px 6px}.alarm-bell-count{position:absolute;top:0;right:0;background:#e6483c;color:#fff;font-size:10px;font-weight:700;border-radius:999px;padding:1px 5px;line-height:1.3}.alarm-bell-panel{position:absolute;right:0;top:32px;width:300px;max-height:360px;overflow-y:auto;background:var(--bg);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.12);z-index:50;padding:6px}.alarm-bell-empty{padding:14px;font-size:13px;color:var(--muted);text-align:center;margin:0}.alarm-bell-item{padding:8px;border-bottom:1px solid var(--border)}.alarm-bell-item:last-child{border-bottom:none}.alarm-bell-msg{font-size:12px;color:var(--ink)}.alarm-bell-meta{font-size:11px;color:var(--muted);margin-top:4px;display:flex;justify-content:space-between;align-items:center}.alarm-ack-btn{border:none;background:0 0;color:var(--accent);cursor:pointer;font-size:11px;padding:0}#diaryClearBtn:hover{color:var(--accent);text-decoration:underline}