:root{
  color-scheme:light;
  --paper:#f3efe6;
  --paper-2:#ebe5d9;
  --paper-3:#fffdf8;
  --ink:#183140;
  --ink-soft:#38515f;
  --navy:#163b51;
  --blue:#1e6f93;
  --blue-deep:#175a78;
  --blue-wash:#d9e7ed;
  --line:#b9c3c5;
  --line-strong:#7d9298;
  --muted:#6e7d80;
  --rust:#b56540;
  --rust-deep:#8f4930;
  --green:#3f7661;
  --amber:#a66b22;
  --purple:#7a5e8e;
  --danger:#a74442;
  --shadow:0 10px 28px rgba(24,49,64,.09);
  --font-sans:"Avenir Next","Avenir","Segoe UI",Helvetica,Arial,sans-serif;
  --font-display:"Avenir Next Condensed","Arial Narrow","Segoe UI",sans-serif;
  --font-mono:"SFMono-Regular",Consolas,"Liberation Mono","Courier New",monospace;
}
*{box-sizing:border-box}
html{background:var(--paper)}
body{
  margin:0;
  min-height:100vh;
  color:var(--ink);
  font:14px/1.5 var(--font-sans);
  background-color:var(--paper);
  background-image:
    linear-gradient(rgba(30,111,147,.075) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,111,147,.075) 1px,transparent 1px),
    linear-gradient(rgba(30,111,147,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,111,147,.03) 1px,transparent 1px),
    radial-gradient(circle at 18% -12%,rgba(255,255,255,.85),transparent 36rem),
    radial-gradient(circle at 96% 10%,rgba(30,111,147,.055),transparent 29rem);
  background-size:40px 40px,40px 40px,8px 8px,8px 8px,auto,auto;
  background-position:-1px -1px,-1px -1px,-1px -1px,-1px -1px,0 0,0 0;
}
body:before{
  content:"";
  position:fixed;
  z-index:-1;
  inset:0;
  pointer-events:none;
  opacity:.16;
  background-image:repeating-linear-gradient(104deg,rgba(82,67,43,.04) 0 1px,transparent 1px 5px);
  mix-blend-mode:multiply;
}
.app-header{
  position:sticky;
  top:0;
  z-index:20;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  padding:15px max(24px,calc((100vw - 1420px)/2));
  background:rgba(243,239,230,.94);
  border-bottom:1px solid rgba(22,59,81,.28);
  box-shadow:0 4px 18px rgba(24,49,64,.05);
  backdrop-filter:blur(14px);
}
.brand-lockup{display:flex;align-items:center;gap:13px;min-width:0}
.brand-mark{width:46px;height:46px;flex:0 0 auto}
.brand-copy{min-width:0}
.brand-kicker{
  margin:0 0 1px;
  color:var(--blue-deep);
  font:700 10px/1.1 var(--font-mono);
  letter-spacing:.16em;
  text-transform:uppercase;
}
h1{
  margin:0;
  color:var(--navy);
  font:750 clamp(25px,2.1vw,31px)/1 var(--font-display);
  letter-spacing:.012em;
}
.app-header p:last-child{margin:4px 0 0;color:var(--muted);font-size:12.5px;letter-spacing:.015em}
.status{
  position:relative;
  padding:8px 13px 8px 28px;
  border:1px solid rgba(22,59,81,.34);
  border-radius:4px;
  color:var(--ink-soft);
  background:rgba(255,253,248,.68);
  max-width:48vw;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  font:650 11px/1.2 var(--font-mono);
  letter-spacing:.03em;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.42);
}
.status:before{content:"";position:absolute;left:12px;top:50%;width:7px;height:7px;border-radius:50%;background:var(--blue);transform:translateY(-50%);box-shadow:0 0 0 3px rgba(30,111,147,.12)}
main{max-width:1420px;margin:0 auto;padding:28px 24px 22px;display:grid;gap:20px}
.panel{
  position:relative;
  overflow:hidden;
  background:linear-gradient(180deg,rgba(255,253,248,.92),rgba(247,243,234,.94));
  border:1px solid rgba(22,59,81,.28);
  border-radius:5px;
  padding:22px;
  box-shadow:var(--shadow),inset 0 1px rgba(255,255,255,.7);
}
.panel:before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--blue),rgba(30,111,147,.08) 56%,transparent)}
.panel:after{content:"";position:absolute;right:-52px;top:-38px;width:178px;height:116px;background:url("./assets/technical-ornament.svg") right top/400px auto no-repeat;opacity:.10;pointer-events:none}
.section-head{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:19px;padding-bottom:12px;border-bottom:1px solid rgba(22,59,81,.16)}
.section-head>div:first-child{display:flex;align-items:center;gap:11px}
.step{
  display:grid;
  place-items:center;
  width:31px;
  height:31px;
  border:1px solid var(--blue);
  border-radius:50%;
  background:rgba(217,231,237,.58);
  color:var(--blue-deep);
  font:800 12px/1 var(--font-mono);
  box-shadow:inset 0 0 0 4px rgba(255,253,248,.68);
}
h2{margin:0;color:var(--navy);font:750 20px/1.2 var(--font-display);letter-spacing:.02em}
.grid{display:grid;gap:14px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.role-grid{margin-top:16px}
fieldset{min-width:0;border:1px solid rgba(22,59,81,.28);border-radius:4px;padding:16px;background:rgba(255,255,255,.25)}
legend{padding:0 8px;color:var(--navy);font:750 11px/1 var(--font-mono);letter-spacing:.055em;text-transform:uppercase}
label{display:flex;align-items:center;gap:7px;color:var(--ink-soft);font-size:13px;font-weight:580}
label:not(.check){flex-wrap:wrap}label>input:not([type=checkbox]),label>select{flex:1;min-width:90px}
input,select,button{
  font:inherit;
  color:var(--ink);
  background:rgba(255,253,248,.88);
  border:1px solid var(--line-strong);
  border-radius:3px;
  padding:8px 10px;
  outline:none;
  box-shadow:inset 0 1px 1px rgba(24,49,64,.035);
}
input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,111,147,.11)}
button{
  position:relative;
  font-weight:700;
  cursor:pointer;
  color:var(--navy);
  background:#eee9de;
  border-color:#83969b;
  box-shadow:0 2px 0 rgba(22,59,81,.08);
  transition:background .15s ease,border-color .15s ease,transform .08s ease,box-shadow .15s ease;
}
button:hover:not(:disabled){background:#e1e7e5;border-color:var(--blue);box-shadow:0 3px 8px rgba(24,49,64,.10)}
button:active:not(:disabled){transform:translateY(1px);box-shadow:none}
button:disabled{cursor:not-allowed;opacity:.44;filter:grayscale(.18)}
.primary{background:var(--blue);border-color:var(--blue-deep);color:#fffdf8;text-shadow:0 1px rgba(0,0,0,.08)}
.primary:hover:not(:disabled){background:var(--blue-deep);border-color:#104a63}
.big{padding:10px 16px}.actions{display:flex;gap:8px}.compact-row{align-items:end;margin-top:15px}.button-cell{display:flex;align-items:flex-end;height:100%}
.level-layout{grid-template-columns:190px 1fr 1fr;align-items:center}.level-output{align-content:center}.meter-card{display:grid;gap:8px}.meter-title{display:flex;justify-content:space-between;gap:12px;color:var(--navy)}.meter-title strong{font:500 11px/1.2 var(--font-mono);color:var(--muted)}
.meter{height:13px;background:#d7d8d0;border:1px solid #9ba8a8;border-radius:2px;overflow:hidden;box-shadow:inset 0 1px 3px rgba(24,49,64,.13)}
.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue-deep),#4c95b3);transition:width .08s linear}
.level-result{margin-top:13px;padding:11px 13px;border:1px solid rgba(22,59,81,.17);border-left:3px solid var(--blue);border-radius:2px;background:rgba(217,231,237,.35);color:var(--muted);font-size:13px}.level-result.good{color:var(--green);border-left-color:var(--green)}.level-result.warn{color:var(--amber);border-left-color:var(--amber)}.level-result.bad{color:var(--danger);border-left-color:var(--danger)}
.excitation-table{border:1px solid rgba(22,59,81,.30);border-radius:4px;overflow:hidden;background:rgba(255,253,248,.45)}
.excitation-row{display:grid;grid-template-columns:minmax(190px,1.1fr) 160px 150px minmax(250px,1fr);gap:12px;align-items:center;padding:11px 13px;border-top:1px solid rgba(22,59,81,.16)}.excitation-row:first-child{border-top:0}.excitation-row.header{background:rgba(22,59,81,.07);color:var(--ink-soft);font:700 10px/1.2 var(--font-mono);text-transform:uppercase;letter-spacing:.09em}
.check{display:flex;align-items:center;gap:8px;cursor:pointer}.check input{width:17px;height:17px;accent-color:var(--blue)}.range{display:flex!important;flex-wrap:nowrap!important}.range input{width:90px}.muted{color:var(--muted)}
.capture-options{grid-template-columns:220px 1fr auto;align-items:center;margin-top:16px}.normalize{justify-content:center}.progress{height:7px;margin-top:16px;background:#d9dad2;border:1px solid rgba(22,59,81,.15);border-radius:1px;overflow:hidden}.progress i{display:block;width:0;height:100%;background:repeating-linear-gradient(135deg,var(--blue-deep) 0 8px,var(--blue) 8px 16px);transition:width .2s}
.review-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(380px,.85fr);gap:18px}.graph-card{min-width:0;border:1px solid rgba(22,59,81,.35);border-radius:4px;overflow:hidden;background:#f6f2e9;position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.55)}.graph-card canvas{display:block;width:100%;height:660px}
.legend{position:absolute;left:78px;top:40px;display:flex;flex-wrap:wrap;gap:12px;font:600 10px/1.2 var(--font-mono);color:var(--muted);background:rgba(246,242,233,.78);padding:4px 6px;border-radius:2px}.legend span:before{content:"";display:inline-block;width:14px;height:3px;margin-right:5px;vertical-align:middle}.legend .ref:before{background:var(--blue)}.legend .cal:before{background:var(--rust)}.legend .corr:before{background:var(--purple)}.legend .fit:before{background:var(--green)}
.eq-side{display:grid;align-content:start;gap:14px}.tight{gap:8px}.shelf-options{display:flex;gap:14px;margin:12px 0}.fit-quality{margin-top:10px;color:var(--muted);font-family:var(--font-mono);font-size:11px}.filter-wrap{border:1px solid rgba(22,59,81,.3);border-radius:4px;overflow:hidden}
table{width:100%;border-collapse:collapse;background:rgba(255,253,248,.58)}th,td{padding:7px 6px;border-bottom:1px solid rgba(22,59,81,.14);text-align:left}th{background:rgba(22,59,81,.07);color:var(--ink-soft);font:700 10px/1.2 var(--font-mono);text-transform:uppercase;letter-spacing:.06em}td input,td select{width:100%;padding:6px}td:first-child{width:40px;text-align:center}td:first-child input{width:auto}
.export-main{width:100%;margin-bottom:10px}.export-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.joined{display:flex}.joined select{min-width:0;flex:1;border-radius:3px 0 0 3px}.joined button{border-radius:0 3px 3px 0}
footer{max-width:1420px;margin:0 auto;text-align:center;color:#758184;padding:6px 24px 32px;font:500 11px/1.5 var(--font-mono);letter-spacing:.025em}footer:before{content:"DEGRANDIS WORKS  /  ";color:var(--blue-deep);font-weight:800;letter-spacing:.10em}footer a{color:var(--blue-deep);text-decoration-thickness:1px;text-underline-offset:3px}
@media(max-width:1050px){.review-grid{grid-template-columns:1fr}.graph-card canvas{height:560px}.grid.four{grid-template-columns:repeat(2,1fr)}.level-layout{grid-template-columns:1fr}.excitation-row{grid-template-columns:1.2fr 1fr 1fr}.excitation-row>*:last-child{grid-column:1/-1}.excitation-row.header span:last-child{display:none}}
@media(max-width:720px){main{padding:13px}.panel{padding:16px}.app-header{padding:12px 14px}.brand-mark{width:39px;height:39px}.brand-kicker{font-size:9px}h1{font-size:24px}.grid.two,.grid.three,.grid.four,.capture-options{grid-template-columns:1fr}.excitation-row{grid-template-columns:1fr 1fr}.excitation-row.header{display:none}.review-grid{display:block}.eq-side{margin-top:14px}.graph-card canvas{height:500px}.legend{display:none}.export-grid{grid-template-columns:1fr}.status{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}