/* 데시벨 측정기(decibel-meter) — 소음 기록계. 작업면 컨테이너 dbmw: 720 이하 기록지 아래 수치 3열, 600 이하 설정표 한 열, 560 이하 기록 줄 두 줄(막대 아래), 520 이하 버튼 줄을 값 아래로, 420 이하 수치 2열.
   accent는 '지금' 하나(레벨 막대 채움·기록지 펜·측정 중 점). */
.dbm-work{container:dbmw / inline-size}

/* ---------- 계기 띠 ---------- */
.dbm-top{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:8px 18px;padding:16px 18px 10px}
.dbm-read{min-width:0}
.dbm-st{display:flex;align-items:center;gap:8px;margin:0;font-family:var(--sans);font-size:12px;font-weight:650;color:var(--muted)}
.dbm-dot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--line)}
.dbm-work[data-state="run"] .dbm-dot{background:var(--accent);animation:dbm-blink 1.4s ease-in-out infinite}
.dbm-time{font-family:var(--sans);font-variant-numeric:tabular-nums;color:var(--ink)}
.dbm-big{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px;margin:6px 0 0;line-height:1}
.dbm-big b{font-family:var(--sans);font-size:60px;font-weight:800;letter-spacing:-.035em;color:var(--ink);font-variant-numeric:tabular-nums lining-nums}
.dbm-big small{font-family:var(--serif);font-size:18px;font-weight:700;color:var(--muted)}
.dbm-work[data-state="demo"] .dbm-big b{color:var(--muted)}
.dbm-sub{margin:7px 0 0;font-family:var(--sans);font-size:13px;line-height:1.5;color:var(--muted)}
.dbm-work[data-unit="a"] .dbm-sub{color:var(--ink)}
.dbm-acts{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}
.dbm-go{min-width:136px;justify-content:center}
.dbm-go .i{width:16px;height:16px}
.dbm-msg{grid-column:1/-1;margin:0;min-height:1.6em;line-height:1.6}

/* ---------- 레벨 막대 + 분포 띠 + 눈금 ---------- */
.dbm-scale{padding:2px 18px 12px}
.dbm-track{position:relative;height:30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);overflow:hidden}
.dbm-track i{position:absolute;top:0;bottom:0}
.dbm-band{background:repeating-linear-gradient(135deg,var(--soft) 0 4px,transparent 4px 8px)}
.dbm-fill{left:0;width:100%;background:var(--accent);opacity:.82;transform-origin:left center;transform:scaleX(0);transition:transform 110ms linear}
.dbm-leqmk{width:2px;margin-left:-1px;background:var(--ink);z-index:1}
.dbm-pk{width:3px;margin-left:-1.5px;background:var(--ink);opacity:.55;transition:left 160ms ease-out;z-index:1}
.dbm-leqmk[hidden],.dbm-pk[hidden]{display:none}
.dbm-dist{display:block;width:100%;height:34px;margin-top:2px}
.dbm-dist path{fill:var(--line);opacity:.6}
.dbm-axis{position:relative;height:16px;margin-top:3px;font-family:var(--mono);font-size:10.5px;color:var(--muted)}
.dbm-work[data-unit="a"] .dbm-axis{height:32px}
.dbm-axis span{position:absolute;top:0;transform:translateX(-50%);white-space:nowrap;line-height:16px}
.dbm-axis .ax-t:first-child{transform:none}
.dbm-axis .ax-t[style*="left:100%"]{transform:translateX(-100%)}
.dbm-axis .ax-m{top:16px;font-family:var(--sans);font-size:11px;color:var(--ink)}
.dbm-axis .ax-m::before{content:"";position:absolute;left:50%;top:-3px;width:1px;height:4px;background:var(--ink)}
.dbm-legend{display:flex;flex-wrap:wrap;gap:3px 14px;margin:6px 0 0;font-family:var(--sans);font-size:11.5px;color:var(--muted)}
.dbm-legend span{display:inline-flex;align-items:center;gap:5px}
.dbm-legend span::before{content:"";flex:none;width:12px;height:10px}
.dbm-legend .lg-now::before{background:var(--accent);opacity:.82}
.dbm-legend .lg-band::before{border:1px solid var(--soft);background:repeating-linear-gradient(135deg,var(--soft) 0 3px,transparent 3px 6px)}
.dbm-legend .lg-leq::before{width:2px;height:12px;background:var(--ink)}
.dbm-legend .lg-pk::before{width:3px;height:12px;background:var(--ink);opacity:.55}
.dbm-legend .lg-dist::before{background:var(--line);opacity:.6}

/* ---------- 기록지 | 수치 ---------- */
.dbm-mid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);border-top:1px solid var(--soft)}
.dbm-chart{display:flex;flex-direction:column;margin:0;padding:12px 14px 10px 18px;min-width:0}
.dbm-chart figcaption{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 10px;margin:0 0 8px}
.dbm-plot{position:relative;flex:1 0 auto;min-height:190px;border:1px solid var(--soft);background:var(--paper);overflow:hidden}
.dbm-plot svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.dbm-area{fill:var(--accent-wash)}
.dbm-line{fill:none;stroke:var(--ink);stroke-width:1.5;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.dbm-avg{stroke:var(--muted);stroke-width:1;stroke-dasharray:5 4;vector-effect:non-scaling-stroke}
.dbm-grid span{position:absolute;left:0;right:0;border-top:1px dashed var(--soft)}
.dbm-grid b{position:absolute;left:5px;top:1px;font-family:var(--mono);font-size:10px;font-weight:400;color:var(--muted)}
.dbm-pen{position:absolute;width:9px;height:9px;margin:-4.5px 0 0 -4.5px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--accent-wash)}
.dbm-pen[hidden]{display:none}
.dbm-work[data-state="run"] .dbm-pen{animation:dbm-pulse 1.4s ease-in-out infinite}
.dbm-tag{position:absolute;right:7px;top:6px;padding:1px 7px;border:1px solid var(--line);background:var(--card);font-family:var(--sans);font-size:11px;font-weight:650;color:var(--muted)}
.dbm-work:not([data-state="demo"]) .dbm-tag{display:none}
.dbm-xax{display:flex;justify-content:space-between;margin:4px 0 0;font-family:var(--mono);font-size:10.5px;color:var(--muted)}
.dbm-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:1fr;margin:0;border-left:1px solid var(--soft)}
.dbm-s{display:flex;flex-direction:column;justify-content:center;min-width:0;padding:10px 14px;border-bottom:1px solid var(--soft)}
.dbm-s:nth-child(odd){border-right:1px solid var(--soft)}
.dbm-s:nth-last-child(-n+2){border-bottom:0}
.dbm-s dt{font-family:var(--sans);font-size:11.5px;font-weight:650;color:var(--muted)}
.dbm-s dd{margin:3px 0 0;font-family:var(--sans);font-size:23px;font-weight:750;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums lining-nums;white-space:nowrap}
.dbm-s small{margin-top:2px;font-family:var(--sans);font-size:11px;line-height:1.4;color:var(--muted)}
.dbm-s--leq{background:color-mix(in srgb, var(--wash) 70%, var(--paper))}
.dbm-warn{margin:0;padding:8px 18px;border-top:1px solid var(--soft);background:var(--accent-wash);font-family:var(--sans);font-size:12.5px;line-height:1.55;color:var(--ink)}
.dbm-warn[hidden]{display:none}

/* ---------- 측정 기록 비교 ---------- */
.dbm-recs{padding:13px 18px 14px;border-top:1px solid var(--line)}
.dbm-rh{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:2px 12px;margin:0 0 8px}
.dbm-rh small{font-family:var(--sans);font-size:12px;color:var(--muted)}
.dbm-rform{display:flex;flex-wrap:wrap;align-items:flex-end;gap:8px;margin:0 0 10px}
.dbm-namef{flex:1 1 140px;max-width:300px}
.dbm-rbtn{flex:none}
.dbm-namef .v2-input input{text-align:left;font-size:14.5px}
.dbm-rbtn{display:flex;flex-direction:column}
.dbm-rbtn .v2-label{display:block;margin:0 0 5px}
.dbm-rl{display:grid;grid-template-columns:minmax(84px,max-content) minmax(120px,1fr) max-content max-content 28px;column-gap:14px;list-style:none;margin:0;padding:0}
.dbm-r{display:grid;grid-column:1/-1;grid-template-columns:subgrid;align-items:center;padding:8px 0;border-top:1px solid var(--soft)}
.dbm-r:last-child{border-bottom:1px solid var(--soft)}
.dbm-r.is-demo{color:var(--muted)}
.dbm-r.is-other .r-bar i{display:none}
.dbm-r.is-other .r-d{color:var(--muted)}
.r-n{min-width:0}
.r-n b{display:block;max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--sans);font-size:13.5px;font-weight:700}
.r-n small,.r-v small{display:block;font-family:var(--sans);font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.r-v small{max-width:12em;margin-left:auto;white-space:normal;line-height:1.35}
.r-bar{position:relative;height:16px;border-radius:var(--radius);background:var(--wash)}
.r-bar i{position:absolute}
.r-band{top:3px;bottom:3px;left:var(--a);width:calc(var(--b) - var(--a));min-width:2px;border:1px solid var(--line);background:repeating-linear-gradient(135deg,var(--soft) 0 3px,transparent 3px 6px)}
.r-mx{top:1px;bottom:1px;left:var(--x);width:2px;margin-left:-1px;background:var(--muted)}
.r-m{top:50%;left:var(--m);width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;background:var(--ink);box-shadow:0 0 0 2px var(--card)}
.r-v{text-align:right}
.r-v b{font-family:var(--sans);font-size:15px;font-weight:750;font-variant-numeric:tabular-nums lining-nums;white-space:nowrap}
.r-d{font-family:var(--sans);font-size:12.5px;font-weight:650;white-space:nowrap;font-variant-numeric:tabular-nums}
.r-d.is-base{color:var(--muted)}
.r-x{display:grid;place-items:center;width:28px;height:28px;padding:0;border:1px solid var(--soft);border-radius:var(--radius);background:var(--paper);font-size:16px;line-height:1;color:var(--muted);cursor:pointer}
.r-x:hover{background:var(--btn);color:var(--ink)}
.dbm-rnone{grid-column:1/-1;padding:10px 0;border-top:1px solid var(--soft);font-family:var(--sans);font-size:13px;color:var(--muted)}

/* ---------- 설정표 ---------- */
.dbm-set{display:grid;grid-template-columns:max-content minmax(0,1fr);border-top:1px solid var(--line)}
.dbm-row{display:grid;grid-column:1/-1;grid-template-columns:subgrid;align-items:center;gap:6px 16px;padding:9px 18px}
.dbm-row + .dbm-row{border-top:1px solid var(--soft)}
.dbm-row > .v2-label{margin:0}
.dbm-rc{display:flex;flex-wrap:wrap;align-items:center;gap:5px 16px;min-width:0}
.dbm-rc > .dbm-hint{flex:1 1 300px}
.dbm-ctl{display:flex;flex-wrap:wrap;align-items:center;gap:6px;min-width:0;margin:0}
.dbm-ctl select{height:var(--v2-ctl,42px);max-width:280px;min-width:180px;padding:0 30px 0 10px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink)}
.dbm-calf .v2-f{width:150px}
.dbm-calf .v2-btn[hidden]{display:none}
.dbm-hint{font-family:var(--sans);font-size:12px;line-height:1.5;color:var(--muted)}
.dbm-proc{font-family:var(--sans);font-size:12.5px;line-height:1.5;color:var(--ink)}
.dbm-seg button:disabled,.dbm-work .v2-seg button:disabled{opacity:.45;cursor:not-allowed}

@keyframes dbm-blink{50%{opacity:.35}}
@keyframes dbm-pulse{50%{box-shadow:0 0 0 7px var(--accent-wash)}}
@media (prefers-reduced-motion: reduce){
  .dbm-fill,.dbm-pk{transition:none}
  .dbm-work[data-state="run"] .dbm-dot,.dbm-work[data-state="run"] .dbm-pen{animation:none}
}

@container dbmw (max-width:720px){
  .dbm-mid{grid-template-columns:minmax(0,1fr)}
  .dbm-chart{padding:12px 18px 10px}
  .dbm-stats{grid-template-columns:repeat(3,minmax(0,1fr));border-left:0;border-top:1px solid var(--soft)}
  .dbm-s:nth-child(odd){border-right:0}
  .dbm-s:not(:nth-child(3n)){border-right:1px solid var(--soft)}
  .dbm-s:nth-last-child(-n+2){border-bottom:1px solid var(--soft)}
  .dbm-s:nth-last-child(-n+3){border-bottom:0}
}
@container dbmw (max-width:600px){
  .dbm-set{grid-template-columns:minmax(0,1fr)}
  .dbm-row{gap:5px}
  .dbm-rc > .dbm-ctl{flex:1 1 100%}
  .dbm-ctl select{min-width:0;width:100%;max-width:none}
}
@container dbmw (max-width:560px){
  .dbm-rl{grid-template-columns:minmax(0,1fr) max-content 28px;column-gap:10px}
  .dbm-r{row-gap:6px}
  .dbm-r > :first-child{grid-column:1;grid-row:1}
  .r-v{grid-column:2;grid-row:1}
  .dbm-r > :last-child{grid-column:3;grid-row:1}
  .r-bar{grid-column:1;grid-row:2}
  .r-d{grid-column:2/-1;grid-row:2;white-space:normal;text-align:right;line-height:1.35}
  .r-n b{max-width:none}
  .dbm-axis .ax-m{font-size:10px}
  .dbm-legend{gap:3px 10px}
}
@container dbmw (max-width:520px){
  .dbm-top{grid-template-columns:minmax(0,1fr)}
  .dbm-acts{justify-content:flex-start}
  .dbm-go{flex:1 1 100%}
  .dbm-acts .v2-btn:not(.dbm-go){flex:1 1 0;justify-content:center}
  .dbm-big b{font-size:50px}
  .dbm-plot{min-height:160px}
}
@container dbmw (max-width:420px){
  .dbm-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dbm-s:not(:nth-child(3n)){border-right:0}
  .dbm-s:nth-child(odd){border-right:1px solid var(--soft)}
  .dbm-s:nth-last-child(-n+3){border-bottom:1px solid var(--soft)}
  .dbm-s:nth-last-child(-n+2){border-bottom:0}
  .dbm-axis .ax-m:not([data-k="85"]){display:none}
}