:root{font-family:Inter,Arial,sans-serif;font-size:14px;color:#172329;background:#f3f5f5;--red:#d32632;--border:#dce2e3;--green:#146955;--model-col:180px;--power-col:60px}*{box-sizing:border-box}body{margin:0}header{min-height:52px;background:#fff;border-bottom:1px solid var(--border);padding:8px max(clamp(12px,2vw,24px),calc((100% - 1392px)/2));display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{font-size:28px;font-weight:900;letter-spacing:-1px;color:var(--red);text-decoration:none;display:flex;align-items:center;gap:16px}.brand span{font-size:10px;color:#56666b;letter-spacing:1.5px;font-weight:700}.version{color:#6c777b;font-size:11px;white-space:nowrap}main{width:100%;max-width:1440px;margin:auto;padding:14px clamp(12px,2vw,24px) 18px;min-width:0}.intro{margin:0 0 12px}.intro h1{font-size:clamp(20px,1.7vw,28px);line-height:1.2;letter-spacing:-.5px;margin:0 0 4px}.intro 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b{color:#172329}.section-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;min-width:0}.section-head>div{min-width:0}.section-head p{font-size:12px;color:#65777e;margin:4px 0;overflow-wrap:anywhere}h2{font-size:18px;letter-spacing:-.3px;margin:4px 0}.actions{display:flex;flex-wrap:wrap;gap:6px}button{font:inherit;font-size:12px;font-weight:600;background:#fff;border:1px solid #b6c3c6;padding:8px 11px;border-radius:5px;cursor:pointer}button:hover{background:#eaf0f0}button:disabled{opacity:.5;cursor:default}.legend{display:flex;gap:6px;align-items:center;margin:7px 0;font-size:11px;color:#65777e;flex-wrap:wrap}.dot{width:8px;height:8px;border-radius:2px;margin-left:10px}.dot:first-child{margin-left:0}.ok{background:#d4ece3;color:#14553f}.low{background:#eef1f3;color:#6b797e}.high{background:#fbe4df;color:#993e2d}.table-wrap{height:auto;max-height:clamp(220px,42vh,560px);overflow:auto;overscroll-behavior:contain;border:1px solid var(--border);border-radius:6px;background:#fff;max-width:100%;min-width:0}table{border-collapse:separate;border-spacing:0;font-size:11px;font-variant-numeric:tabular-nums}th,td{min-width:51px;padding:7px 6px;border-right:1px solid #e1e8e8;border-bottom:1px solid #e1e8e8;text-align:center;white-space:nowrap}thead th{position:sticky;top:0;background:#eaf0f0;z-index:2;font-weight:600;height:32px}th:first-child,td:first-child{position:sticky;left:0;text-align:left;min-width:var(--model-col);width:var(--model-col);max-width:var(--model-col);background:#fff;z-index:1;white-space:normal}thead th:first-child{z-index:4;background:#eaf0f0}th:nth-child(2),td:nth-child(2){position:sticky;left:var(--model-col);min-width:var(--power-col);width:var(--power-col);background:#fff;z-index:1}thead th:nth-child(2){z-index:4;background:#eaf0f0}tr.selected td:first-child,tr.selected td:nth-child(2){background:#fcebed;color:#a31726}tr.selected td{box-shadow:inset 0 1px #cf263550,inset 0 -1px #cf263550}tbody tr{cursor:pointer}tbody tr:hover td:first-child{color:var(--red)}.row-button{display:block;width:calc(var(--model-col) - 13px);white-space:normal;overflow-wrap:anywhere;border:0;padding:0;background:none;font-size:11px;text-align:left;color:inherit}.row-button:hover{background:none;text-decoration:underline}.detail-panel,.report-panel{margin-top:14px}.big{font-size:28px}#chart{min-width:0}#chart svg{display:block;width:100%;height:auto;max-height:240px}.formula{padding:10px;background:#f3f5f5;border-radius:5px;font-family:monospace;font-size:13px;line-height:1.5;overflow-wrap:anywhere;margin:10px 0}.formula-guide{font-size:12px;line-height:1.5}.formula-values{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;margin-top:10px}.formula-values>div{min-width:0}.formula-values p{margin:4px 0 0;color:#52656b;overflow-wrap:anywhere}#range{font-size:12px;line-height:1.5;margin:8px 0 0}.report-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;gap:10px 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button:hover{background:#edf4f0}#model-options p{padding:10px;margin:0}[hidden]{display:none!important}
@media(max-width:1100px){#controls{grid-template-columns:repeat(6,minmax(0,1fr));gap:9px 12px}.field-mode{grid-column:span 2}.field-room{grid-column:span 4}.field-noise{grid-column:span 2}.field-model{grid-column:span 4}.field-room-name{grid-column:1/-1;order:8}.field-mount,.field-power,.field-distance,.field-spacing,.field-target,.field-maximum{grid-column:span 2}#controls:not(.speech-mode) .field-distance{grid-column:span 2}.options{grid-column:1/-1}.summary{grid-template-columns:repeat(3,minmax(0,1fr))}.summary .source-label{display:none}.report-fields{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){:root{--model-col:140px;--power-col:50px}header{min-height:48px}.brand{font-size:25px;gap:10px}.brand span{font-size:9px;letter-spacing:.7px;max-width:150px}.version{font-size:10px}main{padding-top:12px}.panel{padding:11px}#controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.field-mode,.field-room,.field-model,.field-room-name{grid-column:1/-1}.field-noise,.field-mount,.field-power,.field-distance,.field-spacing,.field-target,.field-maximum{grid-column:span 1}#controls:not(.speech-mode) .field-distance,.field-distance,.field-spacing{grid-column:1/-1}.field-room-name{order:4}.field-noise{grid-column:1/-1}.options{gap:8px}.summary{gap:8px}.summary>div{display:block;padding-left:8px}.summary strong{display:block;font-size:20px}.summary span{font-size:10px}.intro p{font-size:11px}.intro h1{font-size:21px}input,select{font-size:16px;min-height:39px}.primary input{font-size:21px;min-height:39px}.report-fields,.formula-values{grid-template-columns:1fr}.report-fields button{width:100%}.table-wrap{height:auto;max-height:clamp(220px,40vh,420px)}.section-head p{font-size:11px}.big{font-size:24px}.formula{font-size:12px}.method{padding:10px}}
@media print{header,.options,.summary,.results,.calculation-notes,.report-panel,footer{display:none!important}main{padding:0}.intro{margin:10px 0}.panel{padding:10px}#controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}#controls .field{grid-column:span 1}.field small{display:none}.detail-panel{break-inside:avoid}.formula-guide{display:block}.formula-guide summary{display:none}.formula-values{display:block}.method{font-size:10px}@page{size:A4;margin:14mm}}

.math-symbol{font-style:italic;white-space:nowrap}.math-symbol sub{font-style:normal;font-size:.72em;line-height:0;position:relative;vertical-align:sub}.math-operator{font-style:normal}.formula-values p{white-space:pre-line}

.field-target,.field-maximum{align-self:end}