.instrument-intro{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px 30px;margin-bottom:24px;background:#edf4ff;border:1px solid #dae6fb;border-radius:12px}.instrument-intro h2{font-size:22px;margin:12px 0 8px;color:#264b7d}.instrument-intro p{font-size:13px;line-height:1.8;color:#617e9f}.instrument-intro ol{display:flex;gap:26px;font-size:13px;color:#53759e;padding-left:22px;white-space:nowrap}.instrument-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:30px}.instrument-project{padding:20px;text-align:left;display:flex;flex-direction:column;gap:16px;background:#fff;border:1px solid var(--line);border-radius:10px;cursor:pointer;min-width:0;font-family:var(--font);transition:border-color .15s,box-shadow .15s}.instrument-project:hover,.instrument-project:focus-visible{border-color:#8eb5f8;box-shadow:0 5px 16px #2f71d412}.instrument-number{font-size:12px;font-weight:700;color:#7192c0;letter-spacing:1px}.instrument-project strong{display:block;font-size:16px;color:#2e4665;margin-bottom:7px}.instrument-project small{font-size:12px;color:#8392a6}.instrument-enter{font-size:12px;color:#3478ee;margin-top:auto}.instrument-files h2{font-size:20px}.instrument-files .card-heading{flex-wrap:wrap;gap:14px}.instrument-files .card-heading p{margin-top:8px}.instrument-filters{display:flex;gap:12px;margin:24px 0 8px}.instrument-filters input{flex:1;min-width:100px}.instrument-filters input,.instrument-filters select,.signal-tool-row select,.teaching-meter select,.instrument-editor input,.instrument-editor textarea{border:1px solid var(--line);border-radius:7px;padding:10px 12px;color:var(--ink);background:white;font:13px/1.6 var(--font);min-width:0}.instrument-file-row{display:flex;gap:20px;align-items:center;justify-content:space-between;padding:20px 0;border-bottom:1px solid var(--line)}.instrument-file-row:last-child{border:0}.instrument-file-row h3{font-size:16px;margin:10px 0 7px;overflow-wrap:anywhere}.instrument-file-row p,.instrument-file-row small{font-size:12px;color:#7d90a9;line-height:1.9}.instrument-file-row small{color:#97712a}.instrument-source{display:flex;align-items:center;gap:12px;font-size:12px;line-height:1.8;color:#7c8da4;flex-wrap:wrap;margin-bottom:22px}.instrument-workspace{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:22px;align-items:start}.instrument-main{min-width:0}.instrument-main .card-heading{flex-wrap:wrap;gap:10px}.instrument-main h2,.instrument-follow h2{font-size:20px}.instrument-guide h2{font-size:19px;margin:12px 0}.instrument-guide h3{font-size:14px;margin-top:22px}.instrument-guide>p{font-size:13px;color:#6b809d;line-height:1.9}.instrument-guide details{border-top:1px solid var(--line);padding-top:18px;margin-top:20px}.instrument-guide summary,.instrument-editor summary{cursor:pointer;font-size:13px;color:#4d729f}.instrument-guide .lesson-text{font-size:13px}.signal-tool-row{display:flex;align-items:end;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:22px 0 15px}.signal-tool-row label{display:flex;flex-direction:column;gap:7px;font-size:12px;color:#758ba7;min-width:0}.signal-tool-row select{max-width:100%}.signal-chart{border:1px solid #e0e9f5;border-radius:9px;overflow:hidden;background:#f8fbff}.signal-chart canvas{display:block;width:100%;height:285px;cursor:crosshair}.signal-readings{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:20px}.signal-readings span{display:block;color:#8092aa;font-size:11px;margin-bottom:8px}.signal-readings strong{font-size:15px;color:#385b8e;overflow-wrap:anywhere}.signal-play-row{display:flex;gap:16px;align-items:center;margin:23px 0 12px}.signal-play-row label{flex:1;min-width:50px;font-size:11px;color:#8092aa}.signal-play-row input{width:100%;display:block;margin-top:7px;accent-color:#3478ee}.signal-play-row>span{font:11px Consolas,monospace;color:#8193aa;white-space:nowrap}.signal-help{font-size:12px;line-height:1.8;color:#8394ac}.instrument-editor{margin-top:22px}.instrument-editor .stack-form{margin-top:20px;gap:16px}.instrument-editor input,.instrument-editor textarea{width:100%}.instrument-file-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin:22px 0}.teaching-meter{background:#f3f7f5;border:1px solid #dfe8e2;border-radius:10px;padding:24px;margin-bottom:18px}.teaching-meter>div{display:flex;justify-content:space-between;align-items:center;gap:20px;font-size:12px;color:#6f8577}.teaching-meter label{display:flex;gap:10px;align-items:center}.teaching-meter strong{display:block;margin:25px 0 12px;font:600 38px Consolas,monospace;color:#356250;overflow-wrap:anywhere}.teaching-meter p{font-size:12px;line-height:1.9;color:#718b7c}.csv-column-list{display:grid;gap:10px}.csv-column-list>div{display:grid;grid-template-columns:1fr 1.2fr 85px;gap:10px;align-items:center}.csv-column-list label{display:flex;gap:8px!important;align-items:center;overflow-wrap:anywhere}.csv-column-list input[type=checkbox]{width:auto}.signal-csv-example{border-top:1px solid var(--line);padding-top:18px;margin-top:20px;font-size:13px;line-height:1.9;color:#7088a4}.signal-csv-example p{margin:10px 0}.instrument-follow .card-heading{gap:15px;flex-wrap:wrap}.instrument-follow{margin-bottom:20px;min-width:0}.activity-switch[data-current=instrument] .activity-options{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1200px){.instrument-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.instrument-workspace{grid-template-columns:minmax(0,1fr)}.instrument-guide{display:block}.instrument-intro{align-items:flex-start}.instrument-intro ol{flex-direction:column;gap:12px}.signal-readings strong{font-size:14px}}
@media(max-width:700px){.instrument-intro{padding:20px;flex-direction:column;gap:12px}.instrument-intro ol{flex-direction:row;flex-wrap:wrap;gap:22px;white-space:normal}.instrument-intro h2{font-size:20px}.instrument-project{padding:17px;gap:13px}.instrument-project strong{font-size:15px}.instrument-filters{flex-direction:column}.instrument-filters input{width:100%}.instrument-workspace{gap:18px}.instrument-main,.instrument-follow{padding:18px}.signal-chart canvas{height:240px}.signal-readings{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.signal-tool-row{align-items:start;flex-direction:column}.signal-tool-row label{width:100%}.signal-play-row{gap:10px}.signal-play-row .button{padding:9px 14px}.teaching-meter{padding:18px}.teaching-meter strong{font-size:30px}.teaching-meter>div{align-items:start;flex-direction:column;gap:12px}.csv-column-list>div{grid-template-columns:1fr 1fr 60px}.instrument-file-row{align-items:start}.activity-switch[data-current=instrument] .activity-options{grid-template-columns:repeat(2,minmax(0,1fr))}}
.instrument-file-row[hidden]{display:none}