:root{--bg: #f6f7f9;--surface: #ffffff;--border: #e5e9ef;--border-strong: #d5dbe4;--text: #14203a;--text-soft: #52607a;--text-muted: #8593a8;--accent: #2563eb;--accent-soft: #eef3ff;--warn: #b45309;--warn-soft: #fff7ed;--radius: 12px;--shadow-pop: 0 16px 40px -12px rgba(20, 32, 58, .18), 0 2px 8px rgba(20, 32, 58, .06);--font: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;color:var(--text);font-family:var(--font);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);font-size:14px;line-height:1.5}button{font-family:inherit;cursor:pointer}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app{max-width:1440px;margin:0 auto;padding:28px 32px 48px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#2563eb,#0f766e);box-shadow:0 6px 14px -6px #2563ebcc}.brand h1{margin:0;font-size:18px;font-weight:650;letter-spacing:-.01em}.brand p{margin:2px 0 0;color:var(--text-muted);font-size:12px;letter-spacing:.02em}.status-group{display:flex;align-items:center;gap:8px;color:var(--text-soft);font-size:12.5px}.status-dot{width:7px;height:7px;border-radius:50%;background:#cbd5e1}.status-dot.live{background:#10b981;box-shadow:0 0 0 3px #10b98129}.status-divider{width:1px;height:12px;background:var(--border-strong)}.muted{color:var(--text-muted);font-variant-numeric:tabular-nums}.nav-button{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text-soft);font-size:12.5px;transition:border-color .12s ease,color .12s ease,background-color .12s ease}.nav-button:hover{border-color:var(--border-strong);color:var(--text)}.nav-button.active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:20px 0}.presets{display:inline-flex;padding:3px;gap:2px;border:1px solid var(--border);border-radius:10px;background:var(--surface)}.preset{border:0;padding:6px 12px;border-radius:7px;background:transparent;color:var(--text-soft);font-size:13px;transition:background-color .12s ease,color .12s ease}.preset:hover{color:var(--text);background:#f3f5f9}.preset.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.range-picker{position:relative}.range-trigger{display:inline-flex;align-items:center;gap:8px;min-width:300px;padding:9px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);font-size:13px;transition:border-color .12s ease,box-shadow .12s ease}.range-trigger:hover{border-color:var(--border-strong)}.range-trigger[aria-expanded=true]{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1a}.range-trigger svg{color:var(--text-muted);flex:none}.range-text{flex:1;text-align:left;font-variant-numeric:tabular-nums}.range-caret{transform:rotate(90deg);transition:transform .16s ease}.range-caret.open{transform:rotate(-90deg)}.refresh{display:inline-flex;align-items:center;gap:6px;margin-left:auto;padding:8px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text-soft);font-size:13px}.refresh:hover:not(:disabled){border-color:var(--border-strong);color:var(--text)}.refresh:disabled{opacity:.6;cursor:default}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.range-popover{position:absolute;z-index:30;top:calc(100% + 8px);left:0;padding:14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-pop);animation:pop-in .14s ease-out}@keyframes pop-in{0%{opacity:0;transform:translateY(-4px)}}.popover-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.popover-hint{color:var(--text-soft);font-size:12.5px}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text-soft)}.icon-button:hover{border-color:var(--border-strong);color:var(--text)}.months{display:flex;gap:20px}.month{width:252px}.month-title{margin-bottom:8px;color:var(--text);font-size:13px;font-weight:600;text-align:center}.weekdays,.days{display:grid;grid-template-columns:repeat(7,1fr)}.weekdays span{padding:4px 0;color:var(--text-muted);font-size:11px;text-align:center}.day{position:relative;height:34px;border:0;background:transparent;color:var(--text);font-size:12.5px;font-variant-numeric:tabular-nums}.day.blank{pointer-events:none}.day:not(.blank):hover{border-radius:8px;background:#f1f5f9}.day.in-range{background:var(--accent-soft)}.day.edge-start,.day.edge-end,.day.in-range:not(.edge-start):not(.edge-end){border-radius:0}.day.edge-start{border-radius:8px 0 0 8px}.day.edge-end{border-radius:0 8px 8px 0}.day.edge-start.edge-end{border-radius:8px}.day.edge{background:var(--accent);color:#fff;font-weight:600}.day.edge:hover{background:#1d4ed8}.day.today:after{content:"";position:absolute;bottom:5px;left:50%;width:3px;height:3px;border-radius:50%;background:currentColor;transform:translate(-50%)}.day.blank.today:after{display:none}.popover-foot{display:flex;justify-content:flex-end;gap:6px;margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}.text-button{border:0;padding:6px 10px;border-radius:7px;background:transparent;color:var(--text-soft);font-size:12.5px}.text-button:hover{background:#f1f5f9;color:var(--text)}.banner{display:flex;align-items:center;gap:8px;margin-bottom:16px;padding:10px 12px;border-radius:10px;font-size:12.5px}.banner.warn{border:1px solid #fed7aa;background:var(--warn-soft);color:var(--warn)}.banner.info{border:1px solid #bfdbfe;background:#eff6ff;color:#1d4ed8}.chart-notice{position:fixed;right:24px;bottom:24px;z-index:40;max-width:min(520px,calc(100vw - 48px));margin:0;background:#eff6fff5;box-shadow:var(--shadow-pop);pointer-events:none;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.panels{display:grid;gap:16px}.panel{min-width:0;padding:16px 16px 8px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.panel-head h2{margin:0;font-size:14px;font-weight:620}.panel-head p{margin:2px 0 12px;color:var(--text-muted);font-size:12px}.chart-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.chart-reset{flex:none;margin-top:-2px;border:1px solid var(--border);padding:5px 9px;border-radius:7px;background:var(--surface);color:var(--text-soft);font-size:12px}.chart-reset:hover:not(:disabled){border-color:var(--border-strong);color:var(--text)}.chart-reset:disabled{opacity:.45}.panel-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:16px}.coverage{display:flex;flex-wrap:wrap;gap:16px;padding:4px 2px;color:var(--text-muted);font-size:12px;font-variant-numeric:tabular-nums}.coverage .gap{color:var(--warn)}.empty{display:flex;flex-direction:column;align-items:center;margin-top:48px;padding:56px 24px;border:1px dashed var(--border-strong);border-radius:var(--radius);background:var(--surface);color:var(--text-muted);text-align:center}.empty h2{margin:12px 0 4px;color:var(--text);font-size:15px;font-weight:600}.empty p{margin:0;max-width:460px;font-size:12.5px}.settings{display:grid;gap:16px;margin-top:20px}.settings-card{padding:18px 20px 20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.settings-head h2{margin:0;font-size:14px;font-weight:650}.settings-head p{margin:4px 0 18px;color:var(--text-muted);font-size:12.5px}.settings-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px 24px}.field{display:flex;flex-direction:column;gap:6px;min-width:0}.field-label{display:flex;align-items:baseline;gap:6px;color:var(--text);font-size:12.5px;font-weight:560}.field-label em{color:var(--text-muted);font-size:11px;font-style:normal;font-weight:400}.input{width:100%;height:34px;padding:0 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);font-family:inherit;font-size:13px;transition:border-color .12s ease,box-shadow .12s ease}.input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px #2563eb1a}.input.numeric{font-variant-numeric:tabular-nums}.field-hint{color:var(--text-muted);font-size:11.5px;line-height:1.45}.switch-row{display:flex;align-items:center;gap:10px;height:34px}.switch{position:relative;width:38px;height:22px;margin:0;border-radius:11px;background:#cbd5e1;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;transition:background-color .14s ease}.switch:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #14203a40;transition:transform .14s ease}.switch:checked{background:var(--accent)}.switch:checked:after{transform:translate(16px)}.switch-text{color:var(--text-soft);font-size:12.5px}.settings-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:14px 2px 4px}.settings-meta{display:flex;align-items:center;gap:10px;color:var(--text-muted);font-size:12px;font-variant-numeric:tabular-nums}.saved-tag{display:inline-flex;align-items:center;gap:4px;color:#0f766e}.error-tag{color:#b91c1c}.row-actions{display:inline-flex;gap:8px}.primary,.secondary{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:8px;font-size:13px}.primary{border:1px solid var(--accent);background:var(--accent);color:#fff}.primary:hover:not(:disabled){background:#1d4ed8}.secondary{border:1px solid var(--border);background:var(--surface);color:var(--text-soft)}.secondary:hover:not(:disabled){border-color:var(--border-strong);color:var(--text)}.primary:disabled,.secondary:disabled{opacity:.55;cursor:default}.empty-inline{display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:12.5px}@media(max-width:1080px){.panel-row{grid-template-columns:minmax(0,1fr)}}@media(max-width:760px){.app{padding:18px 16px 32px}.range-trigger{min-width:0;flex:1}.range-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.refresh{margin-left:0}.chart-notice{right:16px;bottom:16px;left:16px;max-width:none}.months{display:block}.range-popover{left:50%;width:calc(100vw - 64px);max-width:300px;transform:translate(-50%)}.months .month+.month{display:none}.month{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.alarm-panel,.alarm-editor{margin-top:20px;padding:20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}.alarm-head,.editor-head,.side-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.alarm-head h2,.editor-head h2{margin:0;font-size:16px;font-weight:650}.alarm-head p{margin:4px 0 0;color:var(--text-muted);font-size:12.5px}.alarm-head{margin-bottom:16px}.editor-head{align-items:center;margin-bottom:18px}.link-button{display:inline-flex;align-items:center;gap:5px;border:0;padding:2px 0;background:transparent;color:var(--accent);font-size:12.5px}.link-button:hover{text-decoration:underline}.table-scroll{overflow-x:auto}.alarm-table{width:100%;border-collapse:collapse;font-size:13px}.alarm-table th{padding:8px 10px;border-bottom:1px solid var(--border);color:var(--text-muted);font-size:12px;font-weight:500;text-align:left;white-space:nowrap}.alarm-table td{padding:10px;border-bottom:1px solid #f1f4f8;vertical-align:middle}.alarm-table tbody tr:hover{background:#fafbfd}.formula-code{padding:2px 6px;border-radius:6px;background:#f4f6fa;color:#334155;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:#f1f5f9;color:var(--text-muted);font-size:11.5px}.badge.on{background:#ecfdf5;color:#047857}.nowrap{white-space:nowrap}.row-actions{display:flex;gap:6px;align-items:center;justify-content:flex-end}.icon-button.danger:hover{border-color:#fecaca;color:#b91c1c}.primary.danger{border-color:#b91c1c;background:#b91c1c}.editor-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px}.editor-main{display:grid;gap:16px;min-width:0}.editor-side{padding:14px;border:1px solid var(--border);border-radius:10px;background:#fafbfd}.formula-editor{position:relative;overflow:hidden;border:1px solid var(--border-strong);border-radius:10px;background:#fcfdff;transition:border-color .14s ease,box-shadow .14s ease,background-color .14s ease}.formula-editor:hover{border-color:#c3cede}.formula-editor:focus-within{border-color:var(--accent);background:var(--surface);box-shadow:0 0 0 3px #2563eb1c}.formula-layer{margin:0;padding:12px 13px;border:0;font-family:var(--font);font-size:13.5px;font-weight:500;line-height:2.3;letter-spacing:0;-moz-tab-size:4;tab-size:4;white-space:pre-wrap;overflow-wrap:anywhere}.formula-canvas{position:relative;max-height:226px;overflow:hidden}.formula-mirror{position:relative;z-index:0;min-height:52px;overflow:hidden;color:var(--text)}.formula-mirror-inner{width:100%;will-change:transform}.formula-textarea{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;display:block;width:100%;height:100%;padding:12px 13px;border:0;color:transparent;background:transparent;caret-color:var(--text);overflow:hidden;resize:none;outline:none}.formula-textarea::selection{color:transparent;background:#2563eb3d}.formula-textarea::placeholder{color:#9aa6b8}.formula-editor-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 13px;border-top:1px solid #eef1f6;background:#fafbfd;color:var(--text-muted);font-size:11px;line-height:1.5}.formula-editor-foot span:last-child{flex:none;font-variant-numeric:tabular-nums}.ft{border-radius:5px}.ft-param,.ft-func{padding:1px 6px;margin:0 -3px;font-weight:600;white-space:nowrap;box-decoration-break:clone;-webkit-box-decoration-break:clone}.ft-param{border:1px solid #c7d7f7;background:#eef4ff;color:#1d4ed8}.ft-func{border:1px solid #cfe6dc;background:#effaf5;color:#0f766e}.ft-number{color:#7c3aed;font-weight:600}.ft-operator{color:#64748b;font-weight:600}.ft-word{border-bottom:1px dashed #f0b26b;color:#b45309}.ft-unknown{color:#b91c1c}.formula-view{display:inline-flex;flex-wrap:wrap;align-items:center;font-family:var(--font);font-size:12.5px;font-weight:500;line-height:2;overflow-wrap:anywhere}.formula-view .ft-param,.formula-view .ft-func{padding:1px 6px;margin:1px 2px}.formula-empty{color:var(--text-muted);font-size:12px}.formula-palette{overflow:hidden;border:1px solid var(--border);border-radius:10px;background:var(--surface)}.palette-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 10px 8px 12px;background:#fafbfd}.palette-toggle{display:inline-flex;align-items:center;gap:7px;padding:0;border:0;background:none;color:var(--text-soft);font-size:12.5px;font-weight:560}.palette-toggle svg:last-child{color:var(--text-muted);transition:transform .14s ease}.palette-search{display:flex;align-items:center;gap:6px;width:190px;height:28px;padding:0 9px;border:1px solid var(--border);border-radius:7px;background:var(--surface);color:var(--text-muted)}.palette-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #2563eb1a}.palette-search input{width:100%;border:0;background:none;color:var(--text);font-family:inherit;font-size:12px;outline:none}.palette-body{display:grid;gap:12px;padding:12px;border-top:1px solid var(--border)}.palette-group{display:grid;gap:7px}.palette-title{color:var(--text-muted);font-size:11px;font-weight:500}.palette-items{display:flex;flex-wrap:wrap;gap:6px}.palette-item{display:grid;gap:1px;min-width:0;padding:6px 10px;border:1px solid var(--border);border-radius:8px;background:var(--surface);text-align:left;transition:border-color .12s ease,background-color .12s ease,box-shadow .12s ease}.palette-item:hover{border-color:#b9cdf2;background:#fafcff;box-shadow:0 2px 6px -3px #14203a38}.palette-name{color:var(--text);font-size:12.5px;font-weight:560}.param-item .palette-name{color:#1d4ed8}.func-item .palette-name{color:#0f766e}.palette-meta{color:var(--text-muted);font-size:10.5px;line-height:1.35}.palette-empty{margin:0;padding:6px 0;color:var(--text-muted);font-size:12px}.field-label-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.link-button.subtle{color:var(--text-muted);font-size:11.5px}.link-button.subtle:hover{color:var(--accent)}.flip{transform:rotate(180deg)}.formula-notes{padding:10px 12px;border-left:2px solid var(--border-strong);color:var(--text-muted);font-size:12px}.formula-notes p{margin:3px 0}.inline-fields{display:flex;align-items:flex-end;gap:24px;flex-wrap:wrap}.preview-card{padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:#fafbfd}.preview-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;font-size:12.5px}.preview-head span{display:inline-flex;align-items:center;gap:5px;color:var(--text-muted);font-size:11.5px}.preview-result{display:flex;align-items:baseline;gap:10px;color:#047857;font-size:14px;font-weight:600}.preview-dot{flex:none;align-self:center;width:7px;height:7px;border-radius:50%;background:#10b981;box-shadow:0 0 0 3px #10b98129}.preview-dot.on{background:#dc2626;box-shadow:0 0 0 3px #dc262629}.preview-result.triggered{color:#b91c1c}.preview-result small{color:var(--text-muted);font-size:11.5px;font-weight:400}.preview-params{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;font-variant-numeric:tabular-nums}.preview-params span{display:inline-flex;align-items:baseline;gap:5px;padding:3px 8px;border:1px solid #e6ebf3;border-radius:6px;background:var(--surface);font-size:12px}.preview-params em{color:var(--text-muted);font-style:normal}.preview-params strong{color:var(--text);font-weight:600}.preview-params small{color:var(--text-muted);font-size:10.5px}.preview-error{color:var(--text-muted);font-size:12px}.preview-error.bad{padding:6px 9px;border-radius:6px;background:#fef2f2;color:#b91c1c;line-height:1.45}.channel-list{display:grid;gap:2px;margin:10px 0}.channel-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:7px}.channel-item:hover{background:#f1f5f9}.channel-name{flex:1;font-size:12.5px}.editor-foot{display:flex;justify-content:flex-end;gap:8px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}.form-error{padding:8px 10px;border:1px solid #fecaca;border-radius:8px;background:#fef2f2;color:#b91c1c;font-size:12.5px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:24px;background:#14203a52;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal{width:min(480px,100%);border:1px solid var(--border);border-radius:14px;background:var(--surface);box-shadow:0 24px 64px -16px #14203a52;animation:pop-in .14s ease-out}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 0}.modal-head h2{margin:0;font-size:15px;font-weight:650}.modal-body{display:grid;gap:12px;padding:16px 18px}.modal-body p{margin:0;font-size:13px}.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:0 18px 16px}.reference-list{margin:0;padding-left:20px;color:var(--text);font-size:13px}.reference-list li{margin:4px 0}@media(max-width:960px){.editor-grid{grid-template-columns:minmax(0,1fr)}}@media(max-width:560px){.palette-head{align-items:stretch;flex-direction:column}.palette-search{width:100%}.palette-item{flex:1 1 140px}.formula-editor-foot{align-items:flex-start}}