/* 평형 계산기 전용 CSS (2026-10-17). 위 입력 막대(py-bar) → 실측 평면 | 결과(py-main) → 익숙한 공간 카드(py-cards) → 전용률별 평형 표. 공용 부품은 assets/v2.css
   accent 는 평면의 내 넓이 한 곳, 비교 공간은 ink 점선. 움직임: 넓이·비교 공간이 바뀌면 상자가 부드럽게 커지고 줄어든다(reduced-motion 이면 끔) */
.py-work{container:pyw / inline-size}
.py-work .v2-f > .v2-label{display:block;margin:0 0 5px}
.py-bar{padding:14px 18px 12px;border-bottom:1px solid var(--soft);background:color-mix(in srgb, var(--wash) 45%, var(--card))}
.py-form{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px 18px}
.py-form [hidden]{display:none}
.py-row{display:flex;flex-wrap:wrap;align-items:flex-end;gap:12px;flex:1 1 300px;min-width:0}
.py-pair{display:flex;align-items:flex-end;gap:8px;flex:1 1 300px;min-width:0}
.py-val{flex:1 1 150px;min-width:132px;max-width:240px}
.py-pair .py-val{flex:1 1 0;min-width:0;max-width:none}
.py-times{flex:0 0 auto;height:var(--v2-ctl);display:grid;place-items:center;font-family:var(--sans);font-size:15px;font-weight:700;color:var(--muted)}
.py-work .py-form .v2-seg{flex-wrap:nowrap;gap:0}
.py-work .py-form .v2-seg button{height:var(--v2-ctl);padding:0 13px;font-size:13px;white-space:nowrap;border-radius:0}
.py-work .py-form .v2-seg button + button{margin-left:-1px}
.py-work .py-form .v2-seg button:first-child{border-radius:var(--radius) 0 0 var(--radius)}
.py-work .py-form .v2-seg button:last-child{border-radius:0 var(--radius) var(--radius) 0}
.py-useg button{min-width:44px}
.py-sub{display:flex;align-items:center;gap:8px 10px;flex-wrap:wrap;margin-top:12px}
.py-sub [hidden]{display:none}
.py-chips{flex:1 1 auto;min-width:0}
.py-chips button{height:28px;padding:0 10px;font-size:12px}
.py-sub .v2-btn{margin-left:auto}
.py-msg{margin:10px 0 0;font-family:var(--sans);font-size:12px;line-height:1.55;color:var(--muted)}
.py-msg.is-error{color:var(--accent);font-weight:600}

.py-main{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}
.py-plan{margin:0;padding:14px 18px 16px;min-width:0}
.py-head{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:2px 12px;margin:0 0 8px}
.py-headhint{font-family:var(--sans);font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.py-stage{position:relative;aspect-ratio:4 / 3;overflow:hidden;border:1px solid var(--soft);border-radius:var(--radius);background-color:var(--paper);background-image:radial-gradient(var(--dot) 1px, transparent 1.2px);background-size:12px 12px}
.py-shape,.py-ref{position:absolute;left:8%;bottom:12%;box-sizing:border-box;transition:width 380ms cubic-bezier(.2,.7,.2,1),height 380ms cubic-bezier(.2,.7,.2,1),background-size 380ms cubic-bezier(.2,.7,.2,1)}
.py-shape{z-index:1;min-width:2px;min-height:2px;border:1.5px solid var(--accent);background-color:var(--accent-wash);background-position:0 100%;
  background-image:linear-gradient(to right, color-mix(in srgb, var(--accent) 38%, transparent) 1px, transparent 1px),linear-gradient(to top, color-mix(in srgb, var(--accent) 38%, transparent) 1px, transparent 1px)}
.py-ref{z-index:2;border:1.5px dashed var(--ink);pointer-events:none}
.py-ref span{position:absolute;left:-1.5px;bottom:100%;margin-bottom:3px;font-family:var(--sans);font-size:11px;font-weight:600;line-height:1.2;color:var(--ink);white-space:nowrap;background:color-mix(in srgb, var(--paper) 80%, transparent);padding:0 3px}
.py-in{position:absolute;right:5px;top:4px;font-family:var(--sans);font-size:12px;font-weight:800;color:var(--ink);white-space:nowrap;font-variant-numeric:tabular-nums}
.py-shape.is-tiny .py-in{right:auto;top:auto;left:100%;bottom:0;margin-left:5px}
.py-dimw,.py-dimh{position:absolute;z-index:3;font-family:var(--sans);font-size:11.5px;font-weight:600;color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.py-dimw{transform:translateX(-50%);line-height:1.2}
.py-dimh{left:0;width:8%;display:flex;justify-content:center;writing-mode:vertical-rl;transform:translateY(-50%) rotate(180deg)}
.py-dimh[hidden]{display:none}
.py-stage.is-empty .py-shape,.py-stage.is-empty .py-ref,.py-stage.is-empty .py-dimw,.py-stage.is-empty .py-dimh{display:none}
.py-plannote{margin:8px 0 0;font-family:var(--sans);font-size:12.5px;line-height:1.55;color:var(--muted)}

.py-out{padding:16px 18px 18px;min-width:0;border-left:1px solid var(--soft);display:flex;flex-direction:column}
.py-out .v2-label{display:block;margin-bottom:6px}
.py-out .v2-big{flex-wrap:wrap;row-gap:8px}
.py-out .v2-big>span{min-width:0;overflow-wrap:anywhere}
.py-out .v2-big small{flex-basis:100%;display:block;margin:0;font-family:var(--sans);font-size:13px;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}
.py-out .v2-big.is-empty span{font-size:16px;line-height:1.5;font-weight:600;color:var(--muted)}
.py-rows{margin-top:12px;flex:1}
.py-rows li span{min-width:0;flex:1 1 auto}
.py-rows li span em{display:block;margin-top:2px;font-size:11.5px;color:var(--muted);opacity:1}
.py-rows li b{flex:0 0 auto}
.py-out .v2-formula{white-space:normal;overflow-wrap:anywhere;line-height:1.6}
.py-foot{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:14px;padding-top:12px;border-top:1px solid var(--soft)}
.py-foot .v2-status{margin-left:auto}

.py-cmp{padding:14px 18px 16px;border-top:1px solid var(--soft)}
.py-cards{display:grid;grid-template-columns:repeat(4, minmax(0, 1fr));gap:6px}
.py-card{display:grid;grid-template-columns:30px minmax(0,1fr);grid-template-rows:auto auto auto;column-gap:10px;row-gap:1px;align-items:start;padding:9px 10px;text-align:left;border:1px solid var(--soft);border-radius:var(--radius);background:var(--paper);color:var(--ink);cursor:pointer;transition:background var(--ease),border-color var(--ease)}
.py-card:hover{background:var(--btn)}
.py-card[aria-pressed="true"]{border-color:var(--ink);background:var(--wash)}
.py-card:disabled{cursor:default;opacity:.55}
.py-mini{grid-row:1 / span 3;width:30px;height:30px;display:flex;align-items:flex-end;justify-content:flex-start}
.py-mini i{display:block;box-sizing:border-box;min-width:4px;min-height:4px;border:1.5px solid var(--muted)}
.py-card.is-auto{border-color:var(--line)}
.py-card[aria-pressed="true"] .py-mini i,.py-card.is-auto .py-mini i{border-style:dashed;border-color:var(--ink)}
.py-card b{font-family:var(--sans);font-size:12.5px;font-weight:700;line-height:1.35}
.py-card small{font-family:var(--sans);font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums;line-height:1.4}
.py-ratio{margin-top:3px;font-family:var(--sans);font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--ink)}
.py-card.is-under .py-ratio{color:var(--muted)}

.py-type{padding:14px 18px 18px;border-top:1px solid var(--soft)}
.py-type[hidden]{display:none}
.py-tbl{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
.py-table{width:100%;border-collapse:collapse;font-family:var(--sans);font-size:13px;font-variant-numeric:tabular-nums}
.py-table th,.py-table td{padding:7px 8px;border-top:1px solid var(--soft);text-align:left;vertical-align:top;white-space:nowrap}
.py-table th{font-size:11.5px;font-weight:700;color:var(--muted);border-top:0}
.py-table td b{display:block;font-weight:700}
.py-table td small{display:block;margin-top:1px;font-size:11.5px;color:var(--muted)}
.py-note{margin:8px 0 0;font-family:var(--sans);font-size:12px;line-height:1.55;color:var(--muted)}
.py-note a{color:var(--ink)}

@container pyw (max-width:640px){
  .py-cards{grid-template-columns:repeat(2, minmax(0, 1fr))}
}
@media (max-width:720px){
  .py-work{display:flex;flex-direction:column}
  .py-main{display:contents}
  .py-out{order:-1;border-left:0;border-bottom:1px solid var(--soft)}
  .py-plan{border-top:0}
}
@media (max-width:420px){
  .py-bar,.py-plan,.py-out,.py-cmp,.py-type{padding-left:12px;padding-right:12px}
  .py-work .py-form .v2-seg button{padding:0 10px}
}
@media (prefers-reduced-motion:reduce){
  .py-shape,.py-ref{transition:none}
}