/* Mobile-first editing controls. Desktop remains unchanged. */
.mobile-actionbar,.mobile-quickpalette,.mobile-sheet-backdrop,.mobile-sheet-heading{display:none}

@media (max-width:900px){
  html,body{min-width:280px}
  body{overscroll-behavior:none;-webkit-tap-highlight-color:transparent}
  .topbar{height:calc(62px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 12px 0;gap:10px;box-shadow:0 1px 10px #4b284914}
  .brand-mark{width:38px;height:38px;border-radius:12px}
  .brand>span:last-child,.brand small,.top-divider,.autosave,.hide-mobile,.top-spacer{display:none!important}
  .project-titles{min-width:0;flex:1;gap:2px}
  .project-titles input{font-size:15px;font-weight:800;padding:3px;max-width:none;margin:0}
  .project-titles span{font-size:11px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .top-btn.primary{min-width:96px;min-height:44px;padding:10px 12px;font-size:12px;border-radius:12px}
  .top-btn.primary .icon.sm{display:none}
  .dropdown{position:fixed;top:calc(60px + env(safe-area-inset-top));right:10px;min-width:min(300px,calc(100vw - 20px));max-height:calc(100dvh - 88px);overflow:auto}
  .dropdown button{min-height:46px;font-size:13px}
  .workspace{height:calc(100dvh - 62px - env(safe-area-inset-top));min-height:0;display:flex;flex-flow:column nowrap;position:relative;overflow:hidden}
  .stage{order:1;min-height:0;min-width:0;width:100%;height:auto;flex:1 1 auto}
  .stage-toolbar{height:47px;flex:none;justify-content:center;overflow-x:auto;overflow-y:hidden;padding:0 10px;scrollbar-width:none}
  .stage-toolbar::-webkit-scrollbar{display:none}
  .stage-left,.canvas-status,.stage-tip{display:none!important}
  .stage-right{width:100%;justify-content:center;gap:5px}
  .stage-right .stage-sep{margin:0 4px}
  .stage-right .soft-btn{min-height:39px;min-width:42px;font-size:12px;padding:8px 10px}
  .stage-right .icon-btn.compact{width:40px;height:40px;flex:none}
  .zoom-label{font-size:12px;min-width:37px}
  .canvas-viewport{min-height:0;flex:1;padding:15px;overflow:auto;overscroll-behavior:contain;touch-action:pan-x pan-y}
  .artboard{box-shadow:0 7px 28px #4e30431f}
  .stage-footer{display:none}
  .mobile-actionbar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) minmax(78px,1.3fr);gap:4px;order:2;flex:none;align-items:stretch;min-height:60px;padding:6px 8px;background:#fff;border-top:1px solid var(--line);z-index:2}
  .mobile-action{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:2px;background:#fff;border:1px solid transparent;border-radius:11px;min-width:0;min-height:46px;font-size:10px;font-weight:800;color:#6e6472;padding:3px 5px;touch-action:manipulation}
  .mobile-action .icon{width:19px;height:19px}
  .mobile-action.active,.mobile-action[aria-pressed="true"]{background:#ffe9f2;color:#cb206a;border-color:#f9cadf}
  .mobile-action:active{background:#fff0f6}
  .mobile-action-primary{display:flex;flex-direction:row;gap:5px;background:#fceaf2;color:#ad155a;border-color:#f3d5e3;font-size:11px}
  .mobile-action-primary .icon.sm{width:13px;height:13px}
  .mobile-current-swatch{width:19px;height:19px;border-radius:6px;flex:none;border:2px solid white;background:#111;box-shadow:0 1px 4px #0002}
  .mobile-quickpalette{display:flex;order:3;flex:none;align-items:center;gap:7px;height:58px;background:#fff;padding:6px 8px;border-top:1px solid #f3eaf0;border-bottom:1px solid #f3eaf0;min-width:0}
  .mobile-quick-label{font-size:9px;letter-spacing:1px;font-weight:900;color:#bd86a0;flex:none}
  .mobile-quick-colors{display:flex;align-items:center;min-width:0;flex:1;gap:8px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;touch-action:pan-x;scroll-snap-type:x proximity;padding:5px 2px}
  .mobile-quick-colors::-webkit-scrollbar{display:none}
  .mobile-quick-swatch{display:flex;align-items:center;justify-content:center;flex:none;width:39px;height:39px;border-radius:11px;border:2px solid transparent;background:#f7f3f6;padding:3px;scroll-snap-align:start;touch-action:manipulation}
  .mobile-quick-swatch span{display:block;width:100%;height:100%;border-radius:7px;background:var(--thread-color);border:1px solid #00000012;box-shadow:inset 0 1px 2px #00000012}
  .mobile-quick-swatch.selected{border-color:var(--pink);background:#fff0f6;box-shadow:0 0 0 1px #ffffff inset}
  .mobile-all-colors{border:1px solid #f0d9e3;display:flex;align-items:center;justify-content:center;gap:2px;flex-direction:column;width:49px;height:45px;border-radius:11px;background:#fff7fa;color:#bc2169;font-weight:800;font-size:10px;flex:none}
  .mobile-all-colors .icon{width:17px;height:17px}
  .toolrail{order:4;width:100%;height:auto;min-height:79px;flex:none;flex-direction:row;justify-content:flex-start;align-items:center;gap:5px;padding:4px 8px calc(5px + env(safe-area-inset-bottom));overflow-x:auto;overflow-y:hidden;scrollbar-width:none;scroll-snap-type:x proximity;border-right:none;border-top:1px solid var(--line);box-shadow:0 -5px 17px #7b3c6108}
  .toolrail::-webkit-scrollbar{display:none}
  .toolrail .rail-head,.toolrail .rail-separator{display:none}
  .toolrail .tool,.toolrail .rail-bottom .tool{min-width:59px;width:59px;min-height:62px;padding:5px 3px;gap:5px;flex:none;scroll-snap-align:start;border-radius:11px;touch-action:manipulation}
  .toolrail .tool .icon{width:23px;height:23px}
  .toolrail .tool span{font-size:10px;font-weight:700}
  .toolrail .rail-bottom{margin:0}
  .mobile-sheet-backdrop{display:block;position:fixed;inset:0;background:#2217247a;z-index:15;opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease}
  .mobile-sheet-backdrop.visible{visibility:visible;opacity:1}
  .inspector{position:fixed;left:0;right:0;bottom:0;z-index:16;width:100%;height:min(79dvh,720px);min-height:0;border:0;border-radius:22px 22px 0 0;box-shadow:0 -14px 60px #32192735;transform:translateY(105%);transition:transform .22s ease;visibility:hidden;padding-bottom:env(safe-area-inset-bottom);overflow:hidden}
  .inspector.mobile-sheet-open{visibility:visible;transform:translateY(0)}
  .mobile-sheet-heading{display:flex;align-items:center;justify-content:space-between;position:relative;min-height:58px;padding:13px 19px 8px;background:white;border-bottom:1px solid #f1e6eb;font-size:16px}
  .mobile-sheet-grip{position:absolute;top:7px;left:calc(50% - 19px);width:38px;height:4px;border-radius:4px;background:#e6cdd9}
  .mobile-sheet-heading strong{font-size:16px}
  .mobile-sheet-close{display:grid;place-items:center;border:0;border-radius:50%;background:#f9eff4;color:#8f5270;width:43px;height:43px}
  .inspector-tabs{height:53px;padding:0 16px}
  .inspector-tabs .itab{font-size:14px;min-height:48px}
  .panel,.inspector .panel{padding:18px 18px 30px!important;flex:1;overflow-y:auto;overscroll-behavior:contain}
  .selected-thread{display:flex!important;margin:12px 0 20px}
  .panel .section-overline{display:block!important}
  .search-box{display:flex!important;height:46px}
  .search-box input{font-size:16px}
  .palette-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:14px}
  .swatch-item{min-height:69px;padding:6px}
  .swatch-item.selected{padding:5px}
  .swatch-color{height:38px}
  .swatch-item small{font-size:10px}
  .palette-bottom{margin-top:20px}
  .panel .input-control{min-height:45px;font-size:16px}
  .transform-grid button,.panel .outline-btn{min-height:45px}
  .overlay{padding:0;align-items:stretch;backdrop-filter:none}
  .modal,.modal.medium,.import-modal{border-radius:18px 18px 0 0;width:100%;max-width:none;max-height:calc(100dvh - 18px - env(safe-area-inset-top));margin-top:auto;box-shadow:0 -15px 60px #22172455}
  .modal-top{padding:18px 20px 16px}
  .modal-top h2{font-size:24px}
  .modal-top p{font-size:12px}
  .modal-body{padding:8px 20px 22px}
  .modal-body .input-control,.import-options .input-control{min-height:46px;font-size:16px}
  .modal-body .field-label{font-size:13px}
  .modal-foot{padding:12px 14px calc(12px + env(safe-area-inset-bottom));gap:7px;flex-shrink:0}
  .modal-foot button,.modal-foot .solid-btn,.modal-foot .outline-btn{min-height:46px;font-size:12px;padding:10px 12px}
  .close-modal{height:44px;width:44px}
  .import-layout{display:block;overflow-y:auto;overscroll-behavior:contain;min-height:0;flex:1}
  .import-preview{padding:12px;min-height:185px}
  .upload-zone{min-height:177px;padding:12px;gap:6px}
  .upload-zone .icon{width:26px;height:26px;margin:0}
  .upload-zone strong{font-size:14px}
  .photo-preview-wrap{min-height:180px;max-height:240px}
  .photo-preview-wrap canvas{max-height:190px;border-width:6px}
  .import-options{max-height:none;overflow:visible;padding:6px 18px 26px}
  .import-options .field-label{font-size:13px;margin-top:17px}
  .checkbox-label{min-height:34px;font-size:12px}
  .checkbox-label input{height:19px;width:19px}
  input[type=range]{min-height:30px}
  .home-screen{border-radius:0;width:100%;height:100dvh;max-height:100dvh;padding:calc(30px + env(safe-area-inset-top)) 19px calc(30px + env(safe-area-inset-bottom));overscroll-behavior-y:contain}
  .home-header h1{font-size:31px}
  .home-header p{font-size:13px}
  .start-grid{grid-template-columns:1fr;gap:13px;margin:23px 0}
  .start-card{min-height:101px;display:flex;align-items:center}
  .start-illustration{height:103px;width:112px;flex:none}
  .start-card-body{padding:12px}
  .start-card-body small{font-size:11px;min-height:0}
  .projects-list{grid-template-columns:1fr}
  .home-note{font-size:12px}
  #toast-area{bottom:calc(210px + env(safe-area-inset-bottom));width:calc(100vw - 24px);max-width:420px}
  .toast{max-width:100%;font-size:12px}
}
@media (max-width:370px){
  .stage-right{gap:2px}
  .stage-right .soft-btn{padding:7px 6px;min-width:34px;font-size:11px}
  .zoom-label{min-width:32px}
  .mobile-actionbar{padding-inline:3px;gap:2px}
  .mobile-quickpalette{gap:4px}
  .mobile-quick-label{font-size:8px}
  .palette-list{grid-template-columns:repeat(4,minmax(0,1fr))}
  .modal-foot{flex-wrap:wrap}
}
@media (max-width:900px) and (max-height:690px){
  .mobile-quickpalette{height:50px}
  .toolrail{min-height:68px}
  .toolrail .tool,.toolrail .rail-bottom .tool{min-height:54px}
  .toolrail .tool .icon{width:20px;height:20px}
  .mobile-actionbar{min-height:53px;padding-top:3px;padding-bottom:3px}
  .stage-toolbar{height:42px}
  .canvas-viewport{padding:10px}
}
@media (prefers-reduced-motion:reduce){
  .inspector,.mobile-sheet-backdrop{transition:none}
}