/* Responsive workspace layout. Loaded last to keep layout rules predictable. */
.shell{width:min(1120px,calc(100% - 48px));padding-bottom:64px}
.hero{padding:64px 0 44px}
.hero-copy{max-width:560px}
.mode-switch{width:min(480px,100%);margin-bottom:28px}
.calculator-layout{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(420px,.82fr);gap:28px;align-items:start}
.input-column,.results-column{min-width:0}
.input-column>.panel{margin:0;padding-top:24px}
.results-column{position:static;top:auto;align-self:start}
.results-column .result-card{margin:0;min-height:228px;display:flex;flex-direction:column;justify-content:center}
.results-column #multi-summary{margin:16px 0 0;padding:22px 0 0}
.results-column .v3-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
.results-column .metric{min-width:0;min-height:112px;display:flex;flex-direction:column;justify-content:space-between;gap:14px}
.results-column .metric span{line-height:1.45}
.results-column .metric strong{font-size:17px;line-height:1.25;overflow-wrap:anywhere}
.model-state{display:grid;gap:5px;line-height:1.55}
.model-state strong{white-space:normal}
.multi-session-grid{align-items:end;column-gap:16px;row-gap:20px}
.multi-session-grid .field{grid-template-rows:minmax(20px,auto) 58px;min-width:0;gap:8px}
.multi-session-grid .field>span{display:flex;align-items:flex-end;line-height:1.4}
.multi-session-grid input,.multi-session-grid select{height:58px;min-height:58px;padding:0 16px;line-height:normal}
.v3-row label{grid-template-rows:18px 52px;gap:7px;min-width:0}
.v3-row input,.v3-row select{height:52px;min-height:52px;padding:0 13px;line-height:normal}
.set-list-actions{display:flex;margin-top:12px}
.set-list-actions #add-set{width:100%;min-height:48px}
.analysis-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(420px,.82fr);gap:28px;align-items:start;margin-top:28px}
.analysis-grid>.panel{min-width:0;margin:0}
.analysis-grid .formulas-panel{position:static;top:auto}
.analysis-grid .formula-list{grid-template-columns:1fr}
.analysis-grid .formula-line.average{grid-column:auto}
@media(min-width:901px){
  .analysis-grid .rm-table-wrap{max-height:620px;overflow:auto;border:1px solid var(--line-soft);border-radius:10px}
  .analysis-grid table{border-radius:0}
  .analysis-grid thead{position:sticky;top:0;z-index:1;background:var(--surface-raised)}
}
@media(max-width:960px){
  .shell{width:min(760px,calc(100% - 36px))}
  .hero{padding:58px 0 40px}
  .mode-switch{width:100%;margin-bottom:20px}
  .calculator-layout,.analysis-grid{display:block}
  .results-column .result-card{min-height:0;margin-top:18px}
  .results-column #multi-summary{margin-top:0;padding-top:24px}
  .analysis-grid{margin-top:0}
  .multi-session-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:600px){
  .shell{width:min(100% - 24px,760px);padding-top:14px;padding-bottom:48px}
  .topbar{padding-bottom:14px}
  .brand-en{display:none}
  .hero{padding:42px 0 30px}
  .hero h1{font-size:clamp(39px,12vw,56px)}
  .hero-copy{margin-top:14px;line-height:1.65}
  .mode-switch{position:sticky;top:8px;z-index:5;box-shadow:0 10px 30px #0008}
  .panel-heading{align-items:flex-start;flex-wrap:wrap}
  .multi-actions{margin-left:auto}
  .multi-actions .button{padding:9px 11px}
  .multi-session-grid{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:10px;row-gap:16px}
  .multi-session-grid input,.multi-session-grid select{padding:0 11px;font-size:14px}
  .multi-session-grid .field>span{font-size:11px}
  .input-column>.panel{padding-top:20px}
  .results-column .result-card{margin-top:14px}
  .result-value strong{font-size:clamp(52px,18vw,74px)}
  .model-state{padding:12px}
  .results-column .metric{min-height:104px}
  .analysis-grid .panel{padding-top:24px}
}
@media(max-width:420px){
  .panel-heading{gap:10px}
  .multi-actions{margin-left:auto}
  .v3-row.advanced{grid-template-columns:22px minmax(0,1fr) minmax(58px,.72fr) minmax(65px,.85fr) 22px;gap:4px;padding:11px 7px}
  .v3-row.advanced .set-index{font-size:11px}
  .v3-row.advanced input,.v3-row.advanced select{padding:0 7px}
}