/* Mobile presentation: shared inputs and calculations, no duplicate form state. */
.mobile-label,.mobile-tools,.mobile-dock{display:none}
@media(max-width:900px){
  html{scroll-padding-top:90px}
  body{font-size:14px}
  .sidebar{position:static;display:block;width:100%;padding:12px 16px}
  main{margin-left:0}
  .workspace-label,.sidebar-bottom .internal,.sidebar-bottom p{display:none}
  .sidebar-bottom{display:block;padding:0;border:0;margin-top:8px}
  .sidebar-bottom .text-button{width:100%;text-align:right;font-size:12px}
  .sidebar .brand{width:110px;margin:auto}
  .sidebar nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px}
  .nav-button{min-height:52px;font-size:12px;line-height:1.4;justify-content:center;text-align:center;flex-direction:column;gap:6px;padding:10px 5px;overflow-wrap:anywhere}
  .topbar{height:auto;min-height:64px;padding:10px 16px;gap:8px}
  .topbar>div:first-child{min-width:0;flex:1;font-size:11px;line-height:1.5}
  #language-switch button{min-width:44px;min-height:44px;padding:8px}
  .top-tag{display:none}
  .page{padding:22px 16px 32px}
  .editor-page{padding-bottom:calc(110px + env(safe-area-inset-bottom))}
  .button,.text-button,summary,.icon-button{min-height:44px}
  .button{white-space:normal;line-height:1.4;font-size:14px;padding:12px 14px}
  input,select,.input-table input,.supplier input,.factor input,.tax-label input,.competitors input{font-size:16px;min-height:48px;padding:12px}
  label{font-size:13px;line-height:1.5}
  .number-input.money-input input{padding-left:24px}
  .number-input>span{font-size:13px;left:9px}
  .muted,.section-heading p,.small-note,.section-note,.precision-note,.material-hint{font-size:12px;line-height:1.7}
  .actions{display:grid;grid-template-columns:1fr;gap:10px;margin-top:16px}
  .project-details{padding:18px;gap:18px}
  .field-guide{padding:16px;gap:14px}
  .field-guide>div>span{font-size:12px;line-height:1.6}
  .field-guide ul{display:grid;grid-template-columns:1fr;width:100%;gap:7px}
  .field-guide li{font-size:12px;padding:10px}
  .editor-layout,.calculation-sections,.results-sidebar{min-width:0}
  .editor-layout,.results-sidebar{grid-template-columns:1fr}
  .section-nav{display:none}
  .mobile-tools{display:block;position:sticky;top:0;z-index:4;background:#f6f4f1;padding:10px 0;margin-bottom:14px}
  .mobile-tools label{font-size:12px;font-weight:700}
  .mobile-tools select{margin-top:5px;background:#fff}
  .section-heading{padding:20px 16px;gap:12px}
  .section-heading h2{font-size:18px;line-height:1.4}
  .section-heading>div:nth-child(2){min-width:0}
  .factor{font-size:13px;white-space:normal;margin-top:5px}
  .factor>.number-input{width:88px;flex-shrink:0}
  .table-scroll{overflow:visible}
  .input-table,.input-table:not(.parts-table,.process-table),.project-table{display:block;min-width:0;width:100%;table-layout:auto}
  .input-table thead,.project-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
  .input-table tbody,.project-table tbody{display:block;padding:12px}
  .input-table tr{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 12px;border:1px solid #e5ded6;border-radius:12px;padding:16px;margin-bottom:14px;background:#fffcf8}
  .input-table tr:last-child{border:1px solid #e5ded6;margin-bottom:0}
  .input-table td,.input-table tr:last-child td{display:block;min-width:0;padding:0;border:0;white-space:normal}
  .input-table td:first-child{grid-column:1/-1}
  .mobile-label{display:block;font-size:12px;line-height:1.4;color:#76604d;font-weight:700;margin-bottom:8px;text-align:left}
  .input-table .supplier input{margin-top:10px}
  .input-table .calculated{padding:12px!important;background:#eaf5e9;border-radius:8px;font-size:15px;overflow-wrap:anywhere}
  .input-table output{display:block;text-align:right}
  .section-total{gap:16px;align-items:flex-start;flex-wrap:wrap;font-size:13px;padding:18px}
  .section-total output{margin-left:auto;overflow-wrap:anywhere;max-width:100%}
  .parts-actions{display:grid;grid-template-columns:1fr;padding:18px;gap:18px}
  .parts-actions label{max-width:none;font-size:14px}
  .batch-controls,.batch-results{grid-template-columns:1fr;gap:14px}
  .batch-controls>label{grid-column:auto}
  .batch-results{gap:0}
  .batch-results span,.batch-controls>div>span{font-size:13px}
  .trace-list>div{display:block;padding:18px 0}
  .trace-list strong{font-size:13px}
  .trace-list code{font-size:12px;line-height:1.6;word-break:break-word}
  .trace-list output{display:block;width:fit-content;margin-top:10px;font-size:15px}
  .all-formulas>div{grid-template-columns:32px minmax(0,1fr);font-size:12px}
  .all-formulas output{grid-column:2;justify-self:end}
  .price-card{padding:24px}.price-card p,.price-card>div:not(.eyebrow,.hero-price,.price-divider){font-size:12px}
  .price-card .eyebrow{font-size:11px}.hero-price{font-size:clamp(28px,9vw,40px)}
  .price-build h2,.competitors h2,.export-panel h2{font-size:18px}
  .build-row{font-size:13px;flex-wrap:wrap}.build-row small{font-size:12px}
  .tax-label{font-size:14px;gap:12px}.tax-label>.number-input{width:110px}
  .competitors>label{grid-template-columns:1fr;gap:8px;padding-bottom:14px}
  .export-panel .button{font-size:14px;min-height:48px}
  .results-sidebar{scroll-margin-top:15px;gap:18px}
  .mobile-dock{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:8px;align-items:center;position:fixed;bottom:0;left:0;right:0;z-index:10;padding:12px 12px calc(12px + env(safe-area-inset-bottom));background:#fffcf9;border-top:1px solid #ded6ce;box-shadow:0 -4px 20px #30271d12}
  .mobile-dock>div{min-width:0;color:#236546;font-size:15px;font-weight:700;overflow-wrap:anywhere}
  .mobile-dock small{display:block;font-size:10px;font-weight:400;margin-bottom:5px}
  .mobile-dock .button{font-size:12px;padding:10px;min-height:48px}
  body:has(.mobile-dock) #toast{bottom:110px}
  .project-table tr{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:18px;border:1px solid #e5ded6;border-radius:12px;margin-bottom:14px}
  .project-table tr:last-child{margin-bottom:0}
  .project-table td{display:block;min-width:0;padding:0;border:0;white-space:normal;overflow-wrap:anywhere}
  .project-table td:first-child,.project-table td:nth-child(5){grid-column:1/-1}
  .project-table .project-link{min-height:44px;font-size:16px;overflow-wrap:anywhere}
  .project-table .article{font-size:12px}.project-table .price{padding:12px;border-radius:8px;text-align:left;font-size:18px}
  .overview-metrics strong{font-size:22px;overflow-wrap:anywhere}.overview-metrics>div{min-width:0}
  .overview-metrics span{font-size:12px;line-height:1.5}
  .source-footnote .text-button{margin-left:0;width:100%;text-align:left}
  .template-defaults{display:grid;grid-template-columns:1fr;gap:24px}.backup-name{overflow-wrap:anywhere}
  dialog{width:calc(100vw - 24px);max-height:calc(100dvh - 24px);padding:22px;overflow-y:auto}
  .login-panel{padding:90px 20px 30px;min-height:100dvh}.login-panel form{width:100%;max-width:360px}
  .login-page{grid-template-columns:1fr}.login-art{display:none}
  .login-panel .brand{width:150px;margin-bottom:28px}
}