:root{color-scheme:light;--bg:#f3f5f8;--surface:#fff;--sidebar:#fafbfd;--ink:#202c3d;--muted:#738095;--border:#e3e8ef;--accent:#087f83;--accent-soft:#e6f4f3;--grid:#edf0f5;--a:#e07a32;--b:#596adc;--shadow:0 2px 8px #25374c04}*{box-sizing:border-box}body{margin:0;font:13px/1.5 "Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--bg)}body[data-theme=dark]{color-scheme:dark;--bg:#101722;--surface:#192331;--sidebar:#141d29;--ink:#e1e9f4;--muted:#92a1b5;--border:#2b384b;--accent:#54c3bf;--accent-soft:#1b393d;--grid:#263446;--shadow:none}button,input,select{font:inherit}button,select{cursor:pointer}button{color:inherit}button:disabled{opacity:.5;cursor:wait}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button{transition:background .15s,color .15s}a{color:var(--accent)}[hidden]{display:none!important}.topbar{height:65px;display:flex;align-items:center;padding:0 25px;gap:23px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:20px;font-weight:650;letter-spacing:-.7px}.brand-light{font-weight:400}.brand-mark{width:33px;height:33px;background:var(--accent);border-radius:9px;display:grid;place-items:center}.brand-mark svg{width:26px;fill:none;stroke:white;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.top-divider{height:23px;width:1px;background:var(--border)}.top-subtitle{color:var(--muted);font-size:12px}.top-actions{display:flex;align-items:center;gap:18px;margin-left:auto}.preview{font-size:9px;letter-spacing:1.3px;padding:4px 8px;border:1px solid var(--border);border-radius:4px;color:var(--muted)}.icon-button,.text-button{background:none;border:0;padding:4px;color:var(--muted)}.icon-button{font-size:22px}.text-button:hover{color:var(--accent)}.layout{display:flex;min-height:calc(100vh - 65px)}.sidebar{width:245px;flex-shrink:0;background:var(--sidebar);border-right:1px solid var(--border);position:sticky;top:65px;height:calc(100vh - 65px);display:flex;flex-direction:column}.sidebar-top{padding:23px 19px 15px}.eyebrow,.section-label{font-size:10px;font-weight:650;letter-spacing:1.4px;color:var(--muted)}.eyebrow{margin-bottom:14px}.button{display:inline-flex;justify-content:center;align-items:center;gap:9px;border:1px solid var(--border);border-radius:6px;padding:9px 13px;background:var(--surface);font-size:12px;font-weight:550;white-space:nowrap}.button:hover{background:var(--accent-soft);border-color:var(--accent)}.button.primary{background:var(--accent);border-color:var(--accent);color:white}.button.primary span{font-size:19px;font-weight:300;line-height:18px}.button.full{width:100%}.button.small{padding:6px 10px;font-size:11px}.file-hint{font-size:10px;color:var(--muted);text-align:center;margin:9px 0 0}.sidebar-section{padding:4px 12px 16px;border-bottom:1px solid var(--border)}.section-label{display:flex;justify-content:space-between;align-items:center;padding:0 8px;margin-bottom:10px}.small-dot{width:5px;height:5px;border-radius:50%;background:var(--accent)}.example{display:flex;width:100%;align-items:center;gap:10px;padding:10px 9px;text-align:left;border:0;background:none;border-radius:6px;margin-bottom:3px;color:var(--ink)}.example strong{display:block;font-size:11px;font-weight:600}.example small{font-size:10px;color:var(--muted)}.example-symbol{font-size:22px;width:26px;color:var(--muted)}.example.active{background:var(--accent-soft)}.example.active .example-symbol,.example.active strong{color:var(--accent)}.example:hover{background:var(--accent-soft)}.chevron{margin-left:auto;color:var(--muted)}.channels-section{padding:17px 13px 0;display:flex;flex-direction:column;min-height:120px;flex:1}.count{font-size:10px;letter-spacing:0;background:var(--border);padding:1px 6px;border-radius:4px}.channel-tabs{display:flex;padding:3px;border:1px solid var(--border);background:var(--bg);border-radius:6px;margin-bottom:11px}.channel-tabs button{border:0;background:none;flex:1;font-size:11px;padding:6px 4px;border-radius:4px;color:var(--muted)}.channel-tabs button span{font-size:9px;opacity:.7}.channel-tabs button.active{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px #0000000a}.search{width:100%;border:1px solid var(--border);border-radius:5px;background:var(--surface);padding:8px 10px;font-size:11px;color:var(--ink)}.channel-tools{display:flex;align-items:center;justify-content:space-between;padding:6px 0;color:var(--muted);font-size:9px}.channel-tools .text-button{font-size:9px}.channel-tools label{display:flex;gap:4px;align-items:center}.channel-tools input{width:10px;height:10px;margin:0}.channel-list{overflow:auto;flex:1;padding-bottom:12px;scrollbar-width:thin}.channel-row{display:flex;align-items:center;gap:9px;min-height:34px;border-radius:5px;padding:6px 7px;font-size:11px;cursor:pointer}.channel-row:hover{background:var(--accent-soft)}.channel-row input{margin:0;accent-color:var(--accent);width:12px;height:12px}.swatch{width:6px;height:6px;border-radius:50%;flex-shrink:0}.channel-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.channel-unit{margin-left:auto;font-size:9px;color:var(--muted)}.sidebar-footer{display:flex;align-items:center;gap:7px;padding:12px 18px;border-top:1px solid var(--border);font-size:10px;color:var(--muted)}.status-dot{height:6px;width:6px;background:var(--accent);border-radius:50%}.workspace{padding:27px 29px 14px;min-width:0;flex:1;max-width:1800px;margin:0 auto}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}.breadcrumb{font-size:9px;letter-spacing:1.2px;font-weight:600;color:var(--muted);margin-bottom:7px}.breadcrumb span{padding:0 9px;color:#b5c0ce}h1{font-size:24px;line-height:1.3;letter-spacing:-.6px;font-weight:600;margin:0 0 5px}.page-heading p{font-size:11px;margin:0;color:var(--muted);max-width:700px;overflow-wrap:anywhere}.heading-actions{display:flex;gap:8px}.heading-actions .button{font-size:10px;padding:7px 9px}.facts{display:grid;grid-template-columns:1.6fr .8fr 1fr 1fr;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);margin-bottom:20px}.facts>div{padding:13px 20px;border-right:1px solid var(--border)}.facts>div:last-child{border:0}.facts span{display:block;font-size:9px;letter-spacing:1.2px;color:var(--muted);margin-bottom:4px}.facts strong{font-size:13px;font-weight:600}.chart-card,.analysis-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);margin-bottom:17px;overflow:hidden}.card-header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:15px 18px;border-bottom:1px solid var(--border)}h2{font-size:13px;font-weight:600;margin:0;display:flex;align-items:center;gap:8px}.line-icon{font-size:20px;color:var(--accent);line-height:18px}.card-header p{font-size:10px;color:var(--muted);margin:3px 0 0}.chart-controls{display:flex;align-items:center;gap:12px}.compact-select{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:7px}select{color:var(--ink);border:1px solid var(--border);border-radius:4px;background:var(--surface);padding:5px 6px;font-size:11px;max-width:220px}.cursor-toolbar{display:flex;align-items:center;gap:13px;padding:9px 18px;background:var(--sidebar);border-bottom:1px solid var(--border);font-size:10px;color:var(--muted)}.cursor-toggle{display:flex;gap:4px}.cursor-toggle button{padding:4px 9px;border:1px solid transparent;border-radius:4px;background:none;font-size:10px}.cursor-a{color:var(--a)}.cursor-b{color:var(--b)}.cursor-toggle .active{background:var(--surface);border-color:var(--border)}.cursor-toolbar label{display:flex;align-items:center;gap:4px}.cursor-toolbar input{width:76px;border:1px solid var(--border);border-radius:4px;background:var(--surface);color:var(--ink);padding:4px;font-size:10px}.cursor-delta{color:var(--ink);font-variant-numeric:tabular-nums}.cursor-hint{margin-left:auto;font-size:9px}.analog-chart{height:360px}.chart-footnote{border-top:1px solid var(--border);padding:8px 18px;font-size:9px;color:var(--muted)}.digital-chart{height:165px}.quiet{font-size:10px;color:var(--muted)}.analysis-inputs{display:flex;align-items:center;gap:9px}.analysis-inputs label{display:flex;gap:5px;align-items:center;font-size:10px;color:var(--muted)}.analysis-inputs input{width:57px;background:var(--surface);color:var(--ink);border:1px solid var(--border);border-radius:4px;padding:5px;font-size:11px}.analysis-grid{display:grid;grid-template-columns:1fr 1fr;min-height:215px}.measurements{padding:20px;display:grid;grid-template-columns:1fr 1fr;gap:15px 20px}.metric>span{display:flex;align-items:center;gap:5px;font-size:10px;color:var(--muted)}.metric strong{display:inline-block;font-weight:500;font-size:26px;letter-spacing:-.7px;line-height:1.5;font-variant-numeric:tabular-nums}.metric small{font-size:10px;color:var(--muted);margin-left:6px}.help{width:13px;height:13px;line-height:11px;padding:0;border:1px solid var(--border);border-radius:50%;background:none;font-size:9px;color:var(--muted);cursor:help}.analysis-note{font-size:9px;line-height:1.7;color:var(--muted);grid-column:1/-1}.harmonic-panel{border-left:1px solid var(--border);padding:16px 18px 0;min-width:0}.harmonic-heading{display:flex;justify-content:space-between;color:var(--muted);font-size:9px}.harmonic-heading span:first-child{letter-spacing:1px}#harmonic-chart{height:185px}.diagnostics{border:1px solid var(--border);background:var(--surface);border-radius:7px;padding:12px 16px;font-size:10px;margin-top:6px}.diagnostics summary{cursor:pointer;display:flex;justify-content:space-between;gap:15px}.diagnostics summary span:first-child{font-weight:600}.diagnostics summary span:last-child{color:var(--muted)}#diagnostic-content{margin-top:10px;color:var(--muted);overflow-wrap:anywhere}#diagnostic-content p{margin:5px 0}.workspace-footer{display:flex;justify-content:space-between;font-size:9px;color:var(--muted);margin-top:15px;gap:12px}.message{border:1px solid #bbddd9;background:var(--accent-soft);border-radius:6px;padding:10px 13px;font-size:11px;margin-bottom:14px;overflow-wrap:anywhere}.message.error{border-color:#e9c2be;background:#fff1ee;color:#a5372f}.event-picker{margin-bottom:12px;font-size:11px}.event-picker select{margin-left:10px}.drop-overlay{position:fixed;inset:0;z-index:100;background:#173c4ad9;display:grid;place-items:center;color:white;backdrop-filter:blur(4px)}.drop-overlay div{border:2px dashed #ffffff70;border-radius:18px;padding:70px 100px;text-align:center}.drop-overlay strong{font-size:30px}.drop-overlay p{font-size:15px}dialog{background:var(--surface);color:var(--ink);max-width:540px;border:1px solid var(--border);border-radius:12px;padding:32px;box-shadow:0 20px 80px #0003}dialog::backdrop{background:#101c3280;backdrop-filter:blur(3px)}dialog h2{font-size:24px;margin-bottom:18px}dialog p{font-size:13px;color:var(--muted);line-height:1.8}.dialog-close{position:absolute;right:15px;top:8px}.workspace[aria-busy=true] .chart-card{opacity:.6;pointer-events:none}.workspace[aria-busy=true] h1{color:var(--muted)}.empty-channels{font-size:11px;color:var(--muted);padding:20px 8px}.chip{display:inline-block;padding:2px 6px;margin-right:6px;border:1px solid var(--border);border-radius:4px;font-size:9px}@media(min-width:1600px){.workspace{padding-left:38px;padding-right:38px}.analog-chart{height:430px}.measurements{padding:25px 30px}.metric strong{font-size:30px}}@media(max-width:1150px){.sidebar{width:215px}.workspace{padding:22px 20px}.heading-actions{flex-wrap:wrap;justify-content:flex-end;max-width:220px}.cursor-hint{display:none}.analysis-inputs{flex-wrap:wrap;justify-content:flex-end}.page-heading h1{font-size:21px}.analysis-card .card-header{align-items:flex-start}.facts>div{padding:12px}.facts strong{font-size:11px}}@media(max-width:800px){.topbar{padding:0 14px;gap:12px}.top-subtitle,.preview{display:none}.top-actions{gap:10px}.sidebar{width:185px}.workspace{padding:18px 12px}.page-heading{display:block}.heading-actions{max-width:none;justify-content:flex-start;margin-top:13px}.facts{grid-template-columns:1fr 1fr}.facts>div{border-bottom:1px solid var(--border)}.cursor-toolbar{flex-wrap:wrap;gap:8px;padding:9px 12px}.card-header{padding:12px}.analysis-grid{grid-template-columns:1fr}.harmonic-panel{border-left:0;border-top:1px solid var(--border)}.analysis-inputs{max-width:200px}.workspace-footer{display:block}.sidebar-top{padding:17px 12px}.example{padding:8px 4px}.example strong{font-size:10px}.example-symbol{width:18px}.example small{font-size:9px}.sidebar-section{padding:4px 8px 10px}.channels-section{padding:13px 8px 0}.section-label{font-size:9px}.brand{font-size:18px}}@media(max-width:540px){.sidebar{width:155px}.topbar .text-button{font-size:10px}.top-divider{display:none}.topbar{height:56px}.sidebar{top:56px;height:calc(100vh - 56px)}.sidebar-top .eyebrow{font-size:8px}.facts{grid-template-columns:1fr}.facts>div{padding:8px 10px}.facts span{font-size:8px}.channel-tabs button{font-size:9px}.channel-tools label{display:none}.heading-actions .button{font-size:9px;padding:5px}.chart-controls{gap:5px;flex-wrap:wrap;justify-content:flex-end}.card-header h2{font-size:11px}.compact-select{font-size:9px}.cursor-toolbar input{width:57px}.cursor-toggle button{padding:3px}.analysis-inputs{max-width:140px}.page-heading h1{font-size:18px}.file-hint{font-size:8px}.example-symbol,.chevron{display:none}.channel-row{padding:5px 2px;gap:5px;font-size:10px}.metric strong{font-size:23px}.sidebar-footer{padding:9px;font-size:9px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.sidebar-section>summary{cursor:pointer;list-style:none;margin-bottom:8px;padding:8px}.sidebar-section:not([open]){padding-bottom:4px}.sidebar-section:not([open]) .small-dot{border-radius:0;background:none;width:auto;height:auto}.sidebar-section:not([open]) .small-dot:after{content:"+";font-size:14px}.sidebar-section>summary::-webkit-details-marker{display:none}
.analysis-views{display:flex;gap:12px}.analysis-views button{padding:0 0 4px;border:0;border-bottom:2px solid transparent;background:none;color:var(--muted);font-size:10px}.analysis-views button.active{color:var(--accent);border-color:var(--accent)}

.timeline-readout{padding:7px 18px;font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums;border-bottom:1px solid var(--border)}
.diagnosis-card{border:1px solid var(--border);border-radius:8px;background:var(--surface);margin-bottom:17px;box-shadow:var(--shadow)}.diagnosis-body{padding:14px 18px;font-size:12px;line-height:1.65}.diagnosis-body h3{font-size:18px;line-height:1.4;margin:18px 0 8px}.diagnosis-body h4{font-size:12px;margin:17px 0 8px}.diagnosis-narrative{color:var(--ink);max-width:1050px}.diagnosis-body details{font-size:11px;color:var(--muted);margin:12px 0}.diagnosis-body summary{cursor:pointer;color:var(--ink);font-weight:600}.phase-mapping{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:14px 0}.phase-mapping label{display:flex;align-items:center;gap:8px}.phase-mapping select{min-width:0;width:100%}.diagnosis-windows{display:flex;gap:14px;flex-wrap:wrap;align-items:center}.diagnosis-windows fieldset{display:flex;gap:10px;border:1px solid var(--border);border-radius:5px;min-width:0}.diagnosis-windows label{font-size:10px}.diagnosis-windows input{width:85px;padding:4px;border:1px solid var(--border);background:var(--surface);color:var(--ink);border-radius:4px}.equipment-label{display:flex;gap:8px;align-items:center}.diagnosis-body table{width:100%;border-collapse:collapse;font-size:11px;margin:16px 0}.diagnosis-body th,.diagnosis-body td{padding:7px 9px;border-bottom:1px solid var(--border);text-align:right}.diagnosis-body th:first-child,.diagnosis-body td:first-child{text-align:left}.diagnosis-body th{font-weight:500;color:var(--muted);background:var(--sidebar)}.hypothesis{border-left:3px solid var(--accent);padding:10px 14px;background:var(--sidebar);margin:9px 0;border-radius:0 5px 5px 0}.hypothesis p{margin:4px 0;color:var(--muted)}.diagnosis-body a{color:var(--accent);font-size:11px}.diagnosis-footer{border-top:1px solid var(--border);padding-top:12px;display:flex;align-items:center;gap:15px;font-size:9px;color:var(--muted)}.sequence-row{display:grid;grid-template-columns:220px 1fr 100px;gap:10px;border-bottom:1px solid var(--border);padding:5px}.sequence-row button{text-align:left;font-size:10px;font-variant-numeric:tabular-nums}.sequence-row strong{font-size:10px}.event-sequence{max-height:300px;overflow:auto}#diagnosis-status{color:var(--accent);font-size:11px;margin-top:0}@media(max-width:800px){.phase-mapping{grid-template-columns:1fr 1fr}.sequence-row{grid-template-columns:130px 1fr 50px}.diagnosis-footer{align-items:flex-start;flex-direction:column}.diagnosis-body{padding:12px}.chart-controls{flex-wrap:wrap}.chart-controls select{max-width:110px}}

.channel-name{display:block}.channel-name small{display:block;color:var(--muted);font-size:9px;overflow:hidden;text-overflow:ellipsis;font-weight:400}.channel-row{min-height:42px}.digital-timing{padding:12px 18px;font-size:11px;border-top:1px solid var(--border)}.digital-timing summary{cursor:pointer;font-weight:600}.digital-timing>div{max-height:240px;overflow:auto}.digital-timing table{width:100%;border-collapse:collapse;font-size:10px}.digital-timing th,.digital-timing td{padding:7px 10px;text-align:left;border-bottom:1px solid var(--border)}.digital-timing th{color:var(--muted);font-weight:500}.digital-timing td:first-child strong,.digital-timing td:first-child small{display:block}.digital-timing td:first-child small{color:var(--muted);font-size:9px}.digital-timing a{color:var(--accent)}

.manufacturer-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:-6px 0 16px;font-size:10px;color:var(--muted)}.manufacturer-row label{display:flex;align-items:center;gap:8px}.manufacturer-row>span{flex:1;min-width:220px}.assumed-label .channel-name small{color:var(--a)}

.compatibility-link{display:block;font-size:10px;margin:4px auto 0;color:var(--accent)}#compatibility-dialog{width:min(790px,calc(100vw - 30px));max-width:790px;max-height:85vh;overflow:auto;padding:28px}#compatibility-dialog h2{font-size:23px;margin:6px 0 12px}#compatibility-dialog p{font-size:12px;line-height:1.7;margin:12px 0}.compatibility-supported{display:grid;gap:4px;padding:12px 15px;background:var(--accent-soft);border:1px solid var(--border);border-radius:6px;color:var(--ink);font-size:11px}.compatibility-supported strong{color:var(--accent)}.compatibility-table{overflow-x:auto;margin:16px 0}.compatibility-table table{width:100%;border-collapse:collapse;font-size:11px}.compatibility-table th,.compatibility-table td{padding:9px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.compatibility-table th{font-size:10px;color:var(--muted);font-weight:600;background:var(--sidebar)}.compatibility-table td:first-child{font-weight:600}.compatibility-table a{text-decoration:none}.compatibility-table a:hover{text-decoration:underline}.compatibility-badge{display:block;width:max-content;color:var(--accent);font-size:8px;padding:1px 5px;background:var(--accent-soft);border-radius:3px;margin-top:4px;font-weight:500}.compatibility-validation{border-left:3px solid var(--accent);padding-left:12px}#compatibility-dialog .compatibility-limits{font-size:10px;color:var(--muted)}@media(max-width:540px){#compatibility-dialog{padding:22px 15px}.compatibility-table th,.compatibility-table td{padding:7px 5px;font-size:10px}.manufacturer-row .text-button{padding-left:0}}

.advanced-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;margin-bottom:17px;box-shadow:var(--shadow)}.advanced-tabs{display:flex;gap:16px;padding:12px 18px 0;border-bottom:1px solid var(--border);flex-wrap:wrap}.advanced-tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:5px 0 10px;color:var(--muted);font-size:11px}.advanced-tabs button.active{border-color:var(--accent);color:var(--accent)}.advanced-body{padding:14px 18px;font-size:11px;line-height:1.7}.advanced-body summary{font-weight:600;cursor:pointer}.advanced-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 16px;margin:14px 0}.advanced-form label{display:flex;flex-direction:column;gap:4px;color:var(--muted);font-size:10px}.advanced-form label input,.advanced-form label select{width:100%;max-width:none;padding:6px;border:1px solid var(--border);border-radius:5px;background:var(--surface);color:var(--ink)}.advanced-form .wide{grid-column:1/-1}.advanced-common{display:flex;align-items:center;gap:15px;justify-content:space-between}.advanced-common>label{font-size:10px;color:var(--muted);max-width:750px}.advanced-common input{accent-color:var(--accent)}#advanced-status{color:var(--accent);font-size:12px}#advanced-chart{height:380px}#advanced-metrics{display:flex;gap:16px;flex-wrap:wrap;font-size:11px}#advanced-notes{font-size:10px;color:var(--muted)}#advanced-notes p{margin:6px 0}#advanced-candidates{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0}.advanced-reference{margin-top:10px}.diagnosis-advanced{border:1px solid var(--border);border-radius:5px;padding:10px 14px;margin-top:12px;background:var(--sidebar)}@media(max-width:800px){.advanced-form{grid-template-columns:1fr 1fr}.advanced-common{align-items:flex-start;flex-direction:column}}@media(max-width:540px){.advanced-form{grid-template-columns:1fr}}

.advanced-summary{cursor:pointer;list-style:none}.advanced-summary::-webkit-details-marker{display:none}.advanced-summary h2{margin:0}.advanced-chevron{font-size:24px;color:var(--muted);transition:transform .15s}.advanced-card[open]>.advanced-summary .advanced-chevron{transform:rotate(90deg)}.advanced-summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.advanced-export-row{display:flex;justify-content:flex-end;padding:10px 18px 0}