.emf-lab{--panel:var(--surface);--accent-ink:#fff;--ok:#15803d;--warn:#b45309;--bad:#b91c1c;--c1:#b77f00;--c2:#0a8ea6;--c1-scope:#ffd23f;--c2-scope:#3fd7f2;--scope-bg:#0c1016;--scope-grid:#243040;--scope-axis:#3a4a5e;--scope-text:#9fb0c4;--radius:var(--radius-md);background:var(--bg);min-height:100vh;color:var(--ink);font:14px/1.45 var(--font-body)}:root[data-theme=dark] .emf-lab{--accent-ink:#10231a;--ok:#6ee7a0;--warn:#f0b866;--bad:#f58a8a;--c1:#efbc65;--c2:#5cc8dc}.emf-lab *{box-sizing:border-box}.emf-lab button,.emf-lab select,.emf-lab input{font:inherit;color:inherit}.emf-lab button{cursor:pointer;border:1px solid var(--line);background:var(--panel);border-radius:8px;min-height:34px;padding:6px 12px}.emf-lab button:hover:not(:disabled){border-color:var(--line-strong)}.emf-lab button:disabled{opacity:.45;cursor:not-allowed}.emf-lab button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}.emf-lab button.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.emf-lab button.danger.on{background:color-mix(in srgb, var(--bad) 14%, var(--panel));border-color:var(--bad);color:var(--bad)}.emf-lab select,.emf-lab input[type=number]{border:1px solid var(--line);background:var(--panel);border-radius:8px;min-height:34px;padding:5px 8px}.emf-lab input[type=number]{width:84px}.emf-lab label{color:var(--muted);font-size:12.5px}.emf-lab .lab-header{background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:12px;padding:10px 18px;display:flex}.emf-lab .lab-header h1{font:700 18px var(--font-display);letter-spacing:.1px;margin:0 12px 0 0}.emf-lab .pill{background:var(--surface-tint);color:var(--muted);border-radius:999px;align-items:center;gap:6px;padding:3px 10px;font-size:12.5px;display:inline-flex}.emf-lab .pill .dot{background:var(--line-strong);border-radius:50%;width:8px;height:8px}.emf-lab .pill.ok{background:color-mix(in srgb, var(--ok) 15%, var(--panel));color:var(--ok)}.emf-lab .pill.ok .dot{background:var(--ok)}.emf-lab .pill.warn{background:color-mix(in srgb, var(--warn) 15%, var(--panel));color:var(--warn)}.emf-lab .pill.warn .dot{background:var(--warn)}.emf-lab .pill.bad{background:color-mix(in srgb, var(--bad) 15%, var(--panel));color:var(--bad)}.emf-lab .pill.bad .dot{background:var(--bad)}.emf-lab .spacer{flex:1}.emf-lab .coil2-switch{border:1px solid var(--line);color:var(--ink);border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-size:13px;display:flex}.emf-lab.single-coil .c2only{display:none!important}.emf-lab.single-coil .ro.c1{grid-column:span 2}.emf-lab .hdr-stat{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12.5px}.emf-lab .lab-main{grid-template-columns:300px minmax(0,1fr);gap:14px;padding:14px 18px 24px;display:grid}@media (width<=900px){.emf-lab .lab-main{grid-template-columns:1fr}}.emf-lab .card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px}.emf-lab .card+.card{margin-top:14px}.emf-lab .card h2{font:600 13px var(--font-display);text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:0 0 10px}.emf-lab .row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.emf-lab .row+.row{margin-top:10px}.emf-lab .pwm-value{font-variant-numeric:tabular-nums;min-width:64px;font-size:28px;font-weight:650}.emf-lab .pwm-value small{color:var(--muted);margin-left:4px;font-size:12px;font-weight:400}.emf-lab input[type=range]{width:100%;accent-color:var(--accent)}.emf-lab .dir-group{grid-template-columns:repeat(3,1fr);gap:6px;width:100%;display:grid}.emf-lab .note{color:var(--muted);margin-top:8px;font-size:12px}.emf-lab .readouts{grid-template-columns:1fr 1fr;gap:8px;display:grid}.emf-lab .ro{border:1px solid var(--line);border-radius:8px;padding:8px 10px}.emf-lab .ro .k{color:var(--muted);font-size:12px}.emf-lab .ro .v{font-variant-numeric:tabular-nums;font-size:22px;font-weight:650;line-height:1.2}.emf-lab .ro .v small{color:var(--muted);margin-left:3px;font-size:12px;font-weight:400}.emf-lab .ro.c1{border-left:4px solid var(--c1)}.emf-lab .ro.c2{border-left:4px solid var(--c2)}.emf-lab .ro.wide{grid-column:span 2}.emf-lab .clip{color:var(--bad);font-size:12px;font-weight:600}.emf-lab .tabs{border-bottom:1px solid var(--line);gap:4px;margin:-4px 0 12px;display:flex}.emf-lab .tabs button{color:var(--muted);background:0 0;border:none;border-bottom:2px solid #0000;border-radius:0;padding:8px 14px;font-weight:600}.emf-lab .tabs button.active{color:var(--accent);border-bottom-color:var(--accent)}.emf-lab .scope-wrap{background:var(--scope-bg);border-radius:8px;position:relative;overflow:hidden}.emf-lab .scope-canvas{width:100%;height:440px;display:block}.emf-lab .scope-badge{color:var(--scope-text);font-variant-numeric:tabular-nums;background:#ffffff14;border-radius:6px;padding:2px 8px;font-size:12px;position:absolute;top:8px;right:10px}.emf-lab .scope-badge.hot{color:#fed7aa;background:#7c2d12}.emf-lab .meas{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:6px 12px;margin-top:10px;display:grid}.emf-lab .meas>div{color:var(--muted);font-size:12.5px}.emf-lab .meas b{color:var(--ink);font-variant-numeric:tabular-nums;font-weight:600}.emf-lab .ctl{flex-direction:column;gap:3px;display:flex}.emf-lab .lenz-box{grid-column:1/-1;margin-top:4px}.emf-lab table.lenz th,.emf-lab table.lenz td{font-size:12.5px}.emf-lab table.lenz tr.sub td{text-align:left;color:var(--muted);background:var(--surface-raised)}.emf-lab .demo-row{border:1px dashed var(--line-strong);background:var(--surface-tint);border-radius:8px;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 10px;padding:8px 12px;font-size:13px;display:none}.emf-lab.demo .demo-row{display:flex}.emf-lab .demo-row input[type=range]{width:180px}.emf-lab .demo-row label{color:var(--ink);font-size:13px}.emf-lab .demo-tag{letter-spacing:.5px;text-transform:uppercase;color:var(--accent-ink);background:var(--accent);border-radius:4px;padding:2px 6px;font-size:11px;font-weight:700}.emf-lab .demo-hint{color:var(--muted);font-size:12px}.emf-lab .legend-sw{vertical-align:middle;border-radius:2px;width:12px;height:3px;margin-right:4px;display:inline-block}.emf-lab table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:13px}.emf-lab th,.emf-lab td{text-align:right;border-bottom:1px solid var(--line);padding:5px 8px}.emf-lab th{color:var(--muted);background:var(--surface-tint);font-size:12px;font-weight:600;position:sticky;top:0}.emf-lab th:first-child,.emf-lab td:first-child{text-align:left}.emf-lab .table-box{border:1px solid var(--line);border-radius:8px;max-height:260px;overflow:auto}.emf-lab td button{min-height:24px;padding:1px 8px;font-size:12px}.emf-lab .fit-box{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-top:10px;display:grid}.emf-lab .fit{border:1px solid var(--line);border-radius:8px;padding:10px 12px}.emf-lab .fit .t{color:var(--muted);font-size:12px}.emf-lab .fit .n{font-variant-numeric:tabular-nums;font-size:18px;font-weight:650}.emf-lab .faraday-canvas{width:100%;height:320px;display:block}.emf-lab .two-col{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:14px;display:grid}@media (width<=1200px){.emf-lab .two-col{grid-template-columns:1fr}}.emf-lab .intro{color:var(--muted);max-width:90ch;margin-top:0}.emf-lab .help h3{font:600 15px var(--font-display);margin:18px 0 6px}.emf-lab .help h3:first-child{margin-top:0}.emf-lab .help p,.emf-lab .help li{max-width:78ch}.emf-lab .help code,.emf-lab .note code{background:var(--surface-tint);border-radius:4px;padding:1px 5px}.emf-lab .banner{background:color-mix(in srgb, var(--warn) 14%, var(--panel));color:var(--warn);border-radius:8px;margin-bottom:12px;padding:10px 14px}.emf-lab .toast{color:#fff;opacity:0;pointer-events:none;background:#1f2937;border-radius:8px;max-width:90vw;padding:8px 14px;font-size:13px;transition:opacity .2s;position:fixed;bottom:18px;left:50%;transform:translate(-50%)}.emf-lab .toast.show{opacity:.95}.emf-lab .guide,.emf-lab .connect-help{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-raised);margin-bottom:14px;padding:14px 16px}.emf-lab .guide-title{font:600 14px var(--font-display);justify-content:space-between;gap:12px;margin-bottom:8px;display:flex}.emf-lab .guide-title span{color:var(--muted);font:500 12.5px var(--font-body)}.emf-lab .guide ol,.emf-lab .connect-help ol{gap:10px;margin:0;padding:0;list-style:none;display:grid}.emf-lab .guide li{color:var(--muted);align-items:flex-start;gap:10px;display:flex}.emf-lab .guide li.current{color:var(--ink)}.emf-lab .guide-mark{border:1px solid var(--line-strong);border-radius:50%;flex:0 0 24px;place-items:center;height:24px;font-size:12px;font-weight:600;display:grid}.emf-lab .guide li.done .guide-mark{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.emf-lab .guide li.current .guide-mark{background:var(--accent-bright);border-color:var(--accent-bright);color:#14211b}.emf-lab .guide-hint{color:var(--muted);margin:2px 0 8px;font-size:13px}.emf-lab .connect-help h2{font:600 16px var(--font-display);text-transform:none;letter-spacing:0;color:var(--ink);margin:0 0 10px}.emf-lab .connect-help li{color:var(--muted)}.emf-lab .connect-help li.bad{color:var(--bad)}.emf-lab .connect-help .row{margin-top:14px}