:root{--ink:#202d30;--muted:#738185;--line:#e1e8e7;--surface:#fff;--canvas:#f3f6f5;--green:#137b70;--green-soft:#e6f3ef;--red:#cb5148;--red-soft:#fcf0ed;--amber:#a36b16;--radius:6px;font-family:"Microsoft YaHei UI","PingFang SC",Arial,sans-serif;color:var(--ink);font-size:14px;letter-spacing:0}
*{box-sizing:border-box}body{margin:0;background:var(--canvas)}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}button,select,input{outline:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #5aac9d;outline-offset:3px}button,a{transition:background .15s ease,color .15s ease,border-color .15s ease}button{border:0}svg{width:18px;height:18px;flex-shrink:0;stroke-width:1.7}[hidden]{display:none!important}a{text-decoration:none;color:inherit}.sidebar{width:194px;position:fixed;inset:0 auto 0 0;background:#fcfdfc;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:32px 16px 22px;z-index:5}.brand{display:flex;align-items:center;gap:11px;padding:0 10px 45px;font-size:25px;font-weight:700}.brand-symbol{width:39px;height:43px;display:grid;place-items:center;color:var(--green)}.brand-symbol svg{width:37px;height:37px;stroke-width:1.8}.brand small{display:block;font:10px Consolas,monospace;color:var(--muted);margin-top:3px}.nav-label{padding:0 15px 13px;font-size:11px;color:#8a9596}.nav-item{width:100%;display:flex;align-items:center;gap:12px;padding:13px 15px;border-radius:var(--radius);background:transparent;color:#68797b;text-align:left;margin-bottom:7px;font-size:13px}.nav-item:hover{background:#f0f4f2}.nav-item.active{background:var(--green-soft);color:var(--green);font-weight:600}.sidebar-bottom{margin-top:auto;display:flex;align-items:center;gap:6px;font-size:11px;padding:0 8px;flex-wrap:wrap;color:var(--muted)}.sidebar-bottom>span:last-child{width:100%;padding-left:13px;font:11px Consolas,monospace;margin-top:4px}.local-dot,.dot{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block}.dot{background:#c8a663}main{margin-left:194px;max-width:1920px;padding:0 34px}.topbar{height:65px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);font-size:12px}.breadcrumb{color:var(--muted)}.breadcrumb span{padding:0 11px;color:#b5bfbe}.breadcrumb b{font-weight:500;color:var(--ink)}.service-status{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--muted)}.service-status.ready .dot{background:var(--green)}.page-heading{padding:29px 0 25px;display:flex;justify-content:space-between;align-items:center;gap:20px}.eyebrow{font-size:11px;color:var(--muted);margin:0 0 8px}h1{font-size:26px;font-weight:600;margin:0;line-height:1.3}h2{font-size:13px;font-weight:600;margin:0}.heading-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:11px}.heading-meta small{display:block;color:#455d5d;margin-top:4px;font:11px Consolas,monospace}.heading-meta svg{color:var(--green)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:25px;align-items:start}.monitor-column{min-width:0}.source-bar{display:flex;align-items:center;justify-content:space-between;background:var(--surface);padding:9px 13px;height:46px;border:1px solid var(--line);border-bottom:0;border-radius:6px 6px 0 0}.source-name{display:flex;align-items:center;gap:8px;min-width:0;font-size:12px;color:#506264}.source-name>span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.source-name svg{color:#859391}.source-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}.check-label{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--muted)}input[type=checkbox]{accent-color:var(--green)}.icon-button{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;background:transparent;color:#6b7d7e;border-radius:4px;padding:0;flex-shrink:0}.icon-button:hover{background:var(--green-soft);color:var(--green)}.stage{aspect-ratio:16/9;background:#182624;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.stage.dragover{outline:3px solid #65c6ad;outline-offset:-3px}.stage video,.stage>img,.stage>canvas{width:100%;height:100%;object-fit:contain;position:absolute;inset:0}.stage>canvas{pointer-events:none}.empty-stage{text-align:center;color:#e5eeeb;position:relative;padding:20px}.empty-icon{width:56px;height:56px;background:#253833;margin:0 auto 18px;border-radius:8px;display:grid;place-items:center;color:#9bb6ab}.empty-icon svg{height:29px;width:29px}.empty-stage h2{font-size:17px;font-weight:500}.empty-stage p{font-size:11px;color:#98aba4;margin:10px 0 24px}.empty-stage .primary-button{margin:0 auto}.drop-hint{display:block;margin-top:14px;color:#8a9f95;font-size:11px}.primary-button,.secondary-button{height:37px;border-radius:5px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap;font-size:12px;font-weight:500}.primary-button{color:white;background:var(--green);border:1px solid var(--green)}.primary-button:hover{background:#09695f}.secondary-button{color:#4e6461;background:#fff;border:1px solid #dce5e2}.secondary-button:hover{background:#edf5f1;border-color:#b1cec1}.stage-indicators{position:absolute;inset:15px 15px auto;display:flex;justify-content:space-between;gap:10px;pointer-events:none}.state-badge{padding:6px 10px;background:#213e35e6;color:#b5ebd2;border:1px solid #678477;border-radius:4px;font-size:11px}.state-badge.alarm{background:#6e2b2be6;color:#ffe5e0;border-color:#a86457}.state-badge.uncertain,.state-badge.warming{background:#4b4331e6;border-color:#94886b;color:#fff0c4}.stage-time{font:11px Consolas,monospace;color:#e6ece9;background:#182624b3;padding:6px 8px;border-radius:4px}.stage-footnote{position:absolute;bottom:12px;left:15px;right:15px;width:fit-content;color:#ece5c5;font-size:11px;padding:5px 8px;border-radius:3px;background:#292c28ce}.transport{display:flex;align-items:center;gap:10px;height:45px;background:#fff;padding:0 11px;border:1px solid var(--line);border-top:0;border-radius:0 0 6px 6px}.time-label{font:11px Consolas,monospace;white-space:nowrap;color:var(--muted)}input[type=range]{accent-color:var(--green);height:16px;cursor:pointer;min-width:0}.transport input{flex:1}.operations{display:flex;align-items:center;gap:9px;padding:16px 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8px}.threshold-value label{font-size:11px;color:var(--muted)}.threshold-value input{width:91px;height:34px;border:1px solid var(--line);border-radius:4px;padding:4px 6px;text-align:center;font:17px Consolas,monospace;color:var(--ink)}#thresholdSlider{width:100%;margin:0}.range-labels{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin:3px 0 16px}.apply-button{width:100%;height:32px}.preset-note{font-size:10px;line-height:1.8;color:var(--muted);margin:12px 0 0}.threshold-message{font-size:10px;color:var(--green);min-height:16px;margin-top:6px}.readings .section-title{margin-bottom:11px}.section-title>span{font:10px Consolas,monospace;color:var(--muted)}.reading-score{display:flex;justify-content:space-between;align-items:baseline}.reading-score>span:first-child{font:36px 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solid #eef1ef;background:none;width:100%;text-align:left;color:var(--ink)}.event-item:first-child{border-top:0}.event-icon{background:var(--red-soft);color:var(--red);padding:6px;border-radius:5px;display:flex}.event-icon svg{height:14px;width:14px}.event-info{flex:1;min-width:0;font-size:11px;line-height:1.5}.event-info small{display:block;color:var(--muted);font:10px Consolas,monospace;margin-top:4px}.event-item>span:last-child{font:11px Consolas,monospace;color:var(--red)}footer{padding:23px 0;display:flex;justify-content:space-between;gap:15px;color:#8a9793;font-size:10px}footer>span{display:flex;align-items:center;gap:5px}footer svg{width:12px;height:12px}.footer-divider{padding:0 7px;color:#c5cdca}.error-banner{display:flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid #edc9be;background:#fff2eb;color:#99473c;border-radius:5px;margin-bottom:18px;font-size:12px;line-height:1.7}.error-banner>span{flex:1}.stage:fullscreen{aspect-ratio:auto;width:100%;height:100%}
@media(min-width:1600px){.workspace{grid-template-columns:minmax(0,1fr) 320px;gap:30px}main{padding:0 42px}.chart-wrap{height:160px}}
@media(max-width:1100px){.sidebar{width:158px;padding:25px 10px}.brand{font-size:22px}.nav-item{padding:12px 11px;font-size:12px}main{margin-left:158px;padding:0 22px}.workspace{grid-template-columns:minmax(0,1fr) 255px;gap:16px}.details-column section{padding:16px 14px}.heading-meta{display:none}.operations{gap:6px}.chart-legend{font-size:9px}}
@media(max-width:850px){.sidebar{position:static;width:100%;height:auto;padding:12px 18px;flex-direction:row;align-items:center;justify-content:space-between;border-right:0;border-bottom:1px solid var(--line)}.brand{padding:0;gap:4px;font-size:20px}.brand-symbol{width:31px;height:31px}.brand-symbol svg{width:28px;height:28px}.brand small,.nav-label,.sidebar-bottom{display:none}.sidebar nav{display:flex;gap:5px}.nav-item{width:auto;margin:0;padding:10px;gap:6px;font-size:11px}.nav-item svg{width:16px}.topbar{height:45px}.breadcrumb{font-size:11px}main{margin:0;padding:0 18px}.page-heading{padding:21px 0}.workspace{grid-template-columns:minmax(0,1fr) 255px;gap:15px}h1{font-size:23px}.empty-stage h2{font-size:14px}.empty-stage p{margin:8px 0 13px;font-size:10px}.empty-icon{width:37px;height:37px;margin-bottom:10px}.drop-hint{display:none}}
@media(max-width:670px){main{padding:0 14px}.workspace{grid-template-columns:1fr;gap:22px}.details-column{display:grid;grid-template-columns:1fr;}.details-column section{padding:19px}.page-heading{padding:19px 0}.stage{min-height:210px}.heading-meta{display:none}.eyebrow{font-size:10px}.chart-wrap{height:105px}.operations{padding:13px 0}.operation-status{flex:1;font-size:10px}.source-bar{padding:8px}.source-name{font-size:11px}.source-actions{gap:6px}.transport{gap:6px}.time-label{font-size:10px}.chart-legend{font-size:9px}.service-status{font-size:10px}footer{flex-direction:column;gap:9px}.preset-note{font-size:11px}.events-list{max-height:210px}.threshold-value input{width:110px}.empty-stage h2{font-size:16px}.empty-icon{width:45px;height:45px}.empty-stage p{margin-bottom:16px}.operations select{max-width:165px}.event-item{padding:13px 0}}
.stage{width:100%;min-width:0}
@media(max-width:670px){.stage{min-height:0;aspect-ratio:16/10}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.state-badge.locked{background:#6e2b2be6;color:#ffe5e0;border-color:#a86457}