:root{--bg:#f5f7fb;--panel:#fff;--ink:#111827;--muted:#667085;--line:#d9dee8;--blue:#0f4c81;--blue2:#1d4ed8;--red:#b91c1c;--green:#0f766e;--soft:#eef3f8;--shadow:0 18px 50px #0f172a1a}.technicalDrawingCard{border:1px solid var(--line);box-shadow:var(--shadow-soft);background:#fff;border-radius:18px;margin-top:18px;overflow:hidden}.technicalDrawingHeader{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;display:flex}.pdfZoomControls{align-items:center;gap:8px;display:inline-flex}.pdfZoomControls button{border:1px solid var(--line);width:38px;height:38px;color:var(--ink);cursor:pointer;background:#fff;border-radius:12px;justify-content:center;align-items:center;display:inline-flex}.pdfZoomControls span{text-align:center;min-width:54px;color:var(--muted);font-weight:800}.technicalDrawingViewport{background:#f8fafc;height:560px;padding:12px;overflow:auto}.technicalDrawingViewport 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var(--line);background:#fbfdff;border-radius:8px;grid-template-columns:auto minmax(220px,1fr);align-items:center;gap:10px;min-height:42px;padding:8px 10px;display:grid}.recordingPlayer span{color:var(--muted);font-size:12px;font-weight:900}.recordingPlayer audio{width:100%;max-width:420px;height:34px}.measurementBatch{background:#fff7e8;border:1px solid #f2c57c;border-radius:8px;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:10px 12px;display:grid}.measurementBatch.accepted{background:#f2fbf8;border-color:#b8ddd4}.measurementBatch div{gap:3px;display:grid}.measurementBatch span{color:var(--muted);font-size:12px;font-weight:900}.measurementBatch strong{font-size:15px}.measurementBatch p{color:#7a3e00;grid-column:1/-1;margin:0;font-size:13px;font-weight:800}.measurementBatch.accepted 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button:hover{border-color:var(--blue);color:var(--blue)}.viewButtons button.active{border-color:var(--blue);color:var(--blue);background:#eaf2fb}.modeViewerShell{gap:14px;display:grid}.modeViewerTop{justify-content:space-between;align-items:center;gap:18px;padding:2px 2px 0;display:flex}.modeViewerTop p{color:var(--muted);margin:-8px 0 0;font-size:13px;font-weight:700}.eduTitle{margin-bottom:12px}.modePlay{width:auto;min-width:120px;min-height:42px;margin-top:0;padding:0 16px}.modeViewerControls{grid-template-columns:minmax(280px,1.3fr) minmax(170px,.7fr) minmax(170px,.7fr);gap:10px;display:grid}.modeViewerControls label{border:1px solid var(--line);background:#fff;border-radius:8px;gap:7px;padding:9px 11px;display:grid}.modeViewerControls .modeSelectField{background:#f8fafc}.modeViewerControls span{color:var(--muted);font-size:12px;font-weight:900}.modeViewerControls select{border:1px solid var(--line);background:#fff;border-radius:8px;min-height:40px;padding:0 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