:root{color-scheme:light;--ink:#16243c;--muted:#62708a;--border:#e3eaf4;--indigo:#4f5ee9;--surface:#fff;--page:#f5f7fd;--soft:#f0f4ff;--shadow:0 14px 38px rgba(31,47,95,.085)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--page);color:var(--ink);font:15px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:#4256c5}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid #a5b7ff;outline-offset:2px}.skip{position:absolute;left:-9999px}.skip:focus{left:15px;top:8px;z-index:100;padding:12px;background:white}.topbar{background:white;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:20px;padding:12px max(3vw,18px);min-height:76px;position:sticky;top:0;z-index:15}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--ink);min-width:228px}.brand img{object-fit:contain;border-radius:10px}.brand b{font-size:16px;display:block;line-height:1.2}.brand b i{color:#5366dc;font-style:normal}.brand small{color:var(--muted);font-size:11px}.topbar nav{display:flex;gap:20px;flex:1}.topbar nav a{text-decoration:none;color:var(--muted);font-weight:650;font-size:13px}.top-actions{display:flex;gap:8px}.btn{border:1px solid var(--border);background:#fff;color:var(--ink);border-radius:10px;padding:10px 13px;font-size:12px;font-weight:750;white-space:nowrap;transition:transform .15s,box-shadow .15s}.btn:hover{transform:translateY(-1px);box-shadow:0 5px 15px #001c4f17}.btn.primary{background:linear-gradient(130deg,#545ce3,#4854c8);color:#fff;border-color:#545ce3}.btn.dark{background:#18233d;color:white}.btn.subtle{background:#f3f6fc}.btn.outline{background:#fff;border-color:#c8d1ea}.btn.tiny{padding:7px 9px}.btn.wide{width:100%}.icon-btn{background:white;border:1px solid var(--border);border-radius:10px;width:36px;height:36px;font-size:22px}.shell{max-width:1660px;margin:auto;padding:22px clamp(12px,2vw,28px) 38px}.intro{border:1px solid #dee8fb;background:linear-gradient(115deg,#fff 25%,#edf2ff 80%,#eafafa);border-radius:18px;padding:21px 26px;display:flex;align-items:center;gap:26px;margin-bottom:20px;box-shadow:var(--shadow)}.intro>div:first-child{flex:1}.eyebrow{font-size:10px;letter-spacing:1.6px;text-transform:uppercase;color:#6a6f99;font-weight:850}.intro h1{font-size:clamp(25px,3vw,34px);line-height:1.14;letter-spacing:-.8px;margin:6px 0 8px}.intro h1 em{font-style:normal;color:#4d59d7}.intro p{margin:0;color:var(--muted);font-size:13px;max-width:780px}.intro p strong{color:#304268}.mini-stat{min-width:85px;text-align:center;background:#ffffffbb;padding:10px;border:1px solid #e0e8f4;border-radius:13px}.mini-stat strong{display:block;font-size:28px;color:#4f5de6;line-height:1}.mini-stat span{display:block;color:var(--muted);font-size:10px;margin-top:5px}.workgrid{display:grid;grid-template-columns:360px minmax(0,1fr);gap:18px;align-items:start}.control,.studio{background:#fff;border-radius:16px;border:1px solid var(--border);box-shadow:var(--shadow)}.control{overflow:hidden;min-height:760px}.control-heading{display:flex;align-items:center;justify-content:space-between;padding:19px 20px 12px}.control h2,.studio h2{font-size:20px;margin:1px 0 0;letter-spacing:-.3px}.config-top{padding:0 20px 16px;display:grid;grid-template-columns:1fr 1fr;gap:10px 12px}.config-top label{margin:0}.config-top select{max-width:100%}.tabs{display:grid;grid-template-columns:repeat(3,1fr);border-block:1px solid var(--border);background:#f9fbff;padding:7px;gap:4px}.tab{border:1px solid transparent;background:transparent;color:#65748c;padding:9px 3px;border-radius:7px;font-weight:750;font-size:11px}.tab.active{color:#4956dd;background:white;box-shadow:0 2px 9px #223f7e18;border-color:#e6e9f5}.panel{padding:18px 20px 25px;max-height:670px;overflow:auto}.panel[hidden]{display:none}.panel h3{font-size:14px;margin:2px 0 10px}.panel hr{border:0;border-top:1px solid var(--border);margin:20px 0}label{display:block;color:#334365;font-size:12px;font-weight:750;margin:12px 0 5px}input[type=text],input[type=number],textarea,select{width:100%;background:#fff;border:1px solid #d5deed;border-radius:9px;padding:9px 10px;outline:none;color:var(--ink)}textarea{resize:vertical;min-height:54px}input[type=range]{width:100%;accent-color:#515cdb;height:26px;cursor:ew-resize}input[type=color]{width:100%;height:38px;border:1px solid #d5deed;border-radius:9px;background:white;padding:4px;cursor:pointer}output{float:right;color:#4854c5;font-weight:800}.hint{font-size:12px;color:var(--muted);margin:5px 0 15px}.notice{background:#f1f4ff;border:1px solid #e2e8ff;color:#425074;padding:10px 12px;border-radius:10px;font-size:12px;margin:10px 0}.template-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:15px 0}.template{padding:6px;background:white;border:2px solid #e4e8f2;border-radius:12px;min-width:0;text-align:center;color:#56637a;font-weight:800;font-size:10px}.template.selected{border-color:#4e5de8;background:#f1f4ff;color:#3944b5}.template-preview{height:92px;border-radius:8px;position:relative;overflow:hidden;display:block;margin-bottom:5px}.template-preview:before{content:"";position:absolute;top:42%;left:29%;width:42%;height:53%;background:#151922;border:3px solid #fff6;box-shadow:0 2px 6px #0004;border-radius:8px}.template-preview:after{content:"Aa";font-size:13px;letter-spacing:-1px;color:var(--tptext,white);position:absolute;top:10%;left:5%;right:5%;font-weight:900}.template.preview-bottom .template-preview:before{top:8%}.template.preview-bottom .template-preview:after{top:70%}.check{display:flex;align-items:center;gap:10px;font-size:12px;margin:12px 0}.check input{accent-color:#4f5de8;width:17px;height:17px}.field-row{display:flex;gap:7px}.field-row select{flex:1}.row-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}.row-actions>*{flex:1}.color-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px 11px}.color-grid label{margin:4px 0}.upload-card{border:2px dashed #aebdf0;background:#f5f7ff;min-height:108px;border-radius:13px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:2px;padding:12px;text-align:center;cursor:pointer;color:#3e54a0;transition:.18s}.upload-card:hover,.upload-card.dragover,.canvas-zone.dragover{background:#eaf0ff;border-color:#4959df}.upload-card span{font-size:24px}.upload-card b{font-size:12px}.upload-card small{font-size:11px;color:#7280a0}.stack-actions{display:grid;gap:9px;margin-top:18px}.studio{overflow:hidden;min-height:760px}.studio-top{display:flex;align-items:center;justify-content:space-between;padding:16px 21px 13px;border-bottom:1px solid var(--border);gap:13px}.workspace-switch{display:flex;align-items:center;padding:4px;gap:3px;background:#f1f4fb;border-radius:12px}.seg{background:transparent;color:#6c7890;border:0;padding:9px 12px;border-radius:9px;font-size:12px;font-weight:750;white-space:nowrap}.seg.active{color:#4052ca;background:white;box-shadow:0 1px 5px #0001}.studio-toolbar{display:flex;align-items:center;justify-content:space-between;padding:9px 19px;gap:10px;border-bottom:1px solid var(--border)}.toolhint{color:#65738a;font-size:12px}.studio-toolbar .row-actions{margin:0}.canvas-zone{min-height:605px;display:flex;justify-content:center;align-items:center;flex-direction:column;padding:24px 14px 13px;background:radial-gradient(circle at 30% 20%,#f7faff,#e9eef8 90%);position:relative;touch-action:pan-y}.canvas-holder{line-height:0;filter:drop-shadow(0 12px 20px #19234b2d)}#artboard{width:min(100%,320px);height:auto;max-height:555px;object-fit:contain;border-radius:5px;cursor:grab;touch-action:none;background:#fff;outline:1px solid #0002}#artboard:active{cursor:grabbing}.canvas-holder.feature #artboard{width:min(100%,710px);max-height:none}.canvas-instructions{padding-top:14px;color:#6b7890;font-size:11px;text-align:center}.thumb-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 9px}.thumb-head strong{font-size:14px}.thumb-head span{font-size:11px;color:#74829a}.thumbs{display:flex;gap:9px;overflow-x:auto;padding:4px 19px 17px;scrollbar-width:thin}.thumb{min-width:90px;max-width:96px;flex:0 0 90px;border:2px solid #dfe7f6;background:#f7faff;border-radius:11px;padding:6px;cursor:pointer;color:#5a6881;position:relative}.thumb.active{border-color:#4f5ee7;background:#edf1ff}.thumb canvas{width:100%;display:block;border-radius:5px}.thumb strong{display:block;font-size:10px;margin-top:5px}.thumb .thumb-dl{border:1px solid #cbd8fa;background:#fff;border-radius:6px;font-size:10px;font-weight:800;padding:3px 5px;width:100%;margin-top:5px}.studio-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#f9fbff;padding:13px 19px;border-top:1px solid var(--border)}#status{font-size:12px;color:#6c7690}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:100;max-width:min(90vw,580px);background:#18243f;color:white;border-radius:10px;padding:11px 17px;font-size:12px;box-shadow:0 8px 30px #0004;display:none}#toast.show{display:block}.seo-section{margin:26px auto 0;background:white;border:1px solid var(--border);border-radius:16px;padding:24px 28px}.seo-section h2{font-size:23px;margin:0 0 8px}.seo-section p{color:#5f6b82;font-size:13px}.feature-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:19px 0}.feature-cards article{background:#f5f7fc;border:1px solid #e8ecf6;border-radius:11px;padding:13px 15px}.feature-cards h3{font-size:14px;margin:2px 0}.feature-cards p{margin:5px 0}.footer{display:flex;align-items:center;justify-content:space-between;background:#111b2d;color:#dce4f6;padding:21px 3vw;font-size:12px}.footer nav{display:flex;gap:17px}.footer a{color:#cfdaff;text-decoration:none}@media(max-width:1250px){.topbar{flex-wrap:wrap}.topbar nav{display:none}.workgrid{grid-template-columns:320px minmax(0,1fr)}.control{min-height:690px}.studio{min-height:690px}}@media(max-width:840px){.workgrid{grid-template-columns:1fr}.intro .mini-stat{display:none}.control,.studio{min-height:unset}.panel{max-height:none}.topbar{position:static}.top-actions{margin-left:auto}.canvas-zone{min-height:530px;padding:15px}.feature-cards{grid-template-columns:1fr}.thumbs{padding-bottom:12px}.studio-top{flex-wrap:wrap}.studio-toolbar{flex-wrap:wrap}}@media(max-width:520px){.shell{padding:12px}.intro{padding:16px}.intro h1{font-size:25px}.topbar{padding:10px}.brand{min-width:0}.brand b{font-size:13px}.brand img{width:34px;height:34px}.top-actions{width:100%;display:grid;grid-template-columns:1fr 1fr 1fr}.top-actions .btn{font-size:10px;padding:8px 4px}.studio-top{padding:13px}.studio-top h2{font-size:17px}.workspace-switch{width:100%;justify-content:center}.studio-toolbar{padding:10px}.toolhint{font-size:10px}.canvas-holder:not(.feature) #artboard{width:min(100%,290px)}.canvas-zone{min-height:525px}.studio-foot{flex-wrap:wrap}.studio-foot .btn{width:100%}.control-heading{padding:14px 14px 7px}.config-top{padding:0 14px 12px}.panel{padding:15px}.seo-section{padding:17px}.footer{flex-wrap:wrap;gap:10px}}
/* Hidden is authoritative even when a flexible container declares display:flex. */
[hidden]{display:none!important}
/* Compatibility for the independent validator page from v2 */
.toplinks{display:flex;gap:15px;flex:1}.toplinks a{text-decoration:none;color:#4c6182;font-size:13px;font-weight:700}.content-section{background:white;border:1px solid var(--border);border-radius:15px;padding:23px;margin:22px auto}.content-section h2{margin:0 0 10px}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:15px}.info-grid article{padding:17px;border-radius:13px;border:1px solid var(--border);background:#f7f9ff}.info-grid article h3{margin:0 0 8px}.info-grid article p{font-size:13px;color:var(--muted)}
.brand strong{display:block;color:#172442;font-size:16px}.brand strong span{color:#4f5ee9}footer:not(.footer){display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;padding:20px 3vw;background:#111b2d;color:white}footer:not(.footer) nav{display:flex;gap:15px}footer:not(.footer) a{color:#d6e0ff;text-decoration:none}

/* v4: galería de composiciones reales, independiente de los estilos de color */
.composition-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:12px 0 16px}
.composition{background:#f8faff;border:2px solid #dfe5f0;border-radius:12px;padding:9px 5px;display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer;text-align:center;min-width:0;color:#182846;transition:border-color .13s,transform .13s,box-shadow .13s}
.composition:hover{border-color:#7785de;transform:translateY(-2px)}
.composition:focus-visible{outline:3px solid #f49f32;outline-offset:2px}
.composition.selected{border-color:#4e5de8;box-shadow:0 0 0 2px #9eaaff55;background:#ecf0ff}
.composition:disabled{opacity:.48;cursor:not-allowed;transform:none}
.composition canvas{width:auto;height:115px;max-width:100%;aspect-ratio:9/16;border-radius:7px;border:1px solid #cbd5e5;background:#eef2ff}
.composition span{font-size:11px;font-weight:850;line-height:1.15}
.composition small{font-size:10px;line-height:1.25;color:#5d6c82}
.composition-divider{height:1px;background:#d9e1f1;margin:22px 0}
#alternateLayouts{margin:8px 0 12px}
@media(max-width:420px){.composition-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.composition canvas{height:120px}}
@media(prefers-reduced-motion:reduce){.composition{transition:none}.composition:hover{transform:none}}

.template.theme-only .template-preview:before,.template.theme-only .template-preview:after{content:none;display:none}
.template.theme-only .palette-chips{position:absolute;bottom:10px;left:10%;right:10%;display:flex;justify-content:center;gap:5px}
.template.theme-only .palette-chips i{width:22px;height:22px;border:2px solid #fff;border-radius:50%;box-shadow:0 2px 7px #10213a3b}


/* ===============================================================
  AppInitDev Screen Studio 4.1 / Mobile-first interface refinement
  Keep these overrides after the v4 rules. Scoped to editor UI.
   =============================================================== */
:root{--ink:#15243e;--muted:#586b86;--border:#dfe6f3;--page:#f4f6fc;--shadow:0 12px 32px rgba(25,43,84,.065)}
body{overflow-x:hidden;line-height:1.5}
.topbar{position:relative;top:auto;display:grid;grid-template-columns:minmax(200px,auto) minmax(200px,1fr) auto;align-items:center;gap:12px 22px;padding:16px max(24px,3vw);background:#fff;box-shadow:0 1px 0 #e5eaf4;z-index:10}
.brand{min-width:0;gap:12px;color:#16243d;text-decoration:none!important;align-items:center}
.brand:hover{text-decoration:none}
.brand img{width:46px;height:46px;flex:none}
.brand b{font-size:16px;white-space:nowrap;letter-spacing:-.25px}
.brand small{display:block;font-size:11px;line-height:1.5;margin-top:2px;color:#728098}
.topbar .top-nav{display:flex;align-items:center;justify-content:center;gap:8px;min-width:0}
.topbar .top-nav a{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border:1px solid #e4eaf6;border-radius:12px;background:#f6f8fd;color:#31435f;text-decoration:none;font-size:13px;font-weight:750;white-space:nowrap;transition:background .15s,border-color .15s}
.topbar .top-nav a:hover{background:#eef2ff;border-color:#cbd5ff;color:#4253d6}
.top-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:9px;min-width:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:12px;padding:11px 16px;font-size:13px;line-height:1.2;min-height:44px;font-weight:750;letter-spacing:.01em;text-decoration:none;white-space:normal;text-align:center}
.btn.primary{background:linear-gradient(130deg,#4b62ed,#3657d7);box-shadow:0 4px 12px #3554da21}
.btn.tiny{min-height:36px;font-size:12px;padding:8px 11px}
.shell{max-width:1650px;padding:26px clamp(16px,2.5vw,38px) 44px}
.intro{gap:24px;padding:24px 28px;margin-bottom:22px;box-shadow:0 9px 24px #253b7b0a;min-height:132px}
.intro-copy{min-width:0;flex:1}
.intro h1{font-size:clamp(25px,2.55vw,36px);line-height:1.2;letter-spacing:-.7px;margin:7px 0 11px}
.intro-summary{font-size:14px!important;max-width:820px;line-height:1.55}
.intro-stats{display:flex;gap:12px;align-items:center}
.intro .mini-stat{min-width:112px;max-width:130px;padding:14px 11px;text-align:center}
.intro .mini-stat strong{font-size:23px}
.intro .mini-stat span{font-size:10px}
.intro-details{margin-top:9px;max-width:850px}
.intro-details summary{color:#495bcf;cursor:pointer;font-size:12px;font-weight:800}
.intro-details p{margin-top:8px}
.workgrid{grid-template-columns:minmax(355px,405px) minmax(0,1fr);gap:20px}
.control,.studio{border-radius:20px;box-shadow:0 8px 27px #1c32550c}
.control-heading{padding:22px 22px 11px}
.control-heading h2{font-size:22px;letter-spacing:-.4px}
.control-heading .eyebrow{margin-bottom:6px}
.config-top{padding:6px 20px 20px;display:grid;grid-template-columns:1fr 1fr;gap:13px}
.config-field{min-width:0}
.config-field label{margin:0 0 9px;color:#334665;font-size:12px;font-weight:800}
.config-field select{font-size:13px;min-height:46px;border-radius:12px;background-color:#fff}
.tabs{display:flex;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;gap:7px;padding:11px 14px;scrollbar-width:thin;scroll-snap-type:x proximity;background:#f6f8fd;overscroll-behavior-x:contain}
.tab{flex:0 0 auto;white-space:nowrap;scroll-snap-align:center;border-radius:11px;padding:11px 14px;min-height:43px;background:#fff;border:1px solid #e2e8f3;color:#586981;font-size:12px;line-height:1.2;font-weight:800}
.tab.active{border-color:#cdd7fd;color:#3654d2;background:#eaf0ff;box-shadow:0 2px 6px #445fde12}
.panel{padding:22px 20px 26px;max-height:760px;scrollbar-width:thin}
.panel h3{font-size:15px;line-height:1.4;margin:2px 0 12px;color:#152843}
.panel .hint{line-height:1.6;font-size:12px;margin:7px 0 17px}
.panel .notice{line-height:1.6}
.panel label:not(.check),.panel .field-row{margin-top:16px}
.panel input[type=text],.panel textarea,.panel select{padding:12px;border-radius:12px;min-height:44px}
.panel input[type=range]{min-height:28px;margin-bottom:7px}
.panel .check{padding:11px 12px;background:#f6f8fd;border:1px solid #e6ebf6;border-radius:12px;line-height:1.35;margin:14px 0;gap:11px}
.composition-grid{gap:12px;margin:14px 0 20px;grid-template-columns:repeat(2,minmax(0,1fr))}
.composition{padding:12px 8px;gap:8px;border-radius:15px;background:#fff;box-shadow:0 2px 7px #17335b08}
.composition canvas{height:130px;border-radius:9px}
.composition span{font-size:12px;line-height:1.35}
.composition small{font-size:10px;line-height:1.45}
.template-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0 21px}
.template{padding:9px;border-radius:14px;font-size:12px}
.template-preview{height:86px;border-radius:10px;margin-bottom:9px}
.composition-divider{margin:25px 0}
.studio-top{padding:19px 22px 15px}
.studio-toolbar{padding:13px 20px;gap:12px}
.studio-toolbar .btn{min-height:36px}
.canvas-zone{min-height:560px}
.thumb-head{padding:17px 22px 9px}
.thumbs{gap:12px;padding:6px 20px 20px}
.thumb{min-width:100px;flex-basis:100px;max-width:106px;border-radius:12px;padding:8px}
.thumb .thumb-dl{min-height:30px;margin-top:8px}
.mobile-jump,.mobile-actionbar{display:none}
@media(max-width:1280px){
 .topbar{grid-template-columns:minmax(190px,auto) minmax(200px,1fr);gap:10px 18px}
 .top-actions{grid-column:1/-1;justify-content:flex-end}
 .topbar .top-nav{display:flex;justify-content:flex-end}
 .workgrid{grid-template-columns:minmax(325px,365px) minmax(0,1fr)}
}
@media(max-width:900px){
 .shell{padding:16px 16px 35px}
 .workgrid{grid-template-columns:minmax(0,1fr);gap:18px}
 .panel{max-height:none}
 .topbar{grid-template-columns:1fr auto;position:relative;padding:13px 16px;gap:12px}
 .top-actions{grid-column:1/-1;justify-content:stretch}
 .topbar .top-nav{display:flex;justify-content:flex-end}
 .intro{padding:20px;gap:16px}
 .intro-stats{display:none}
 .control,.studio{min-height:unset}
 .studio-top{flex-wrap:wrap}
 .canvas-zone{min-height:520px}
}
@media(max-width:600px){
 body{font-size:14px;padding-bottom:78px}
 .topbar{display:grid;grid-template-columns:minmax(0,1fr);gap:13px;padding:14px 16px 17px;position:relative;box-shadow:0 2px 15px #0d234010}
 .brand{gap:10px}
 .brand img{width:40px;height:40px}
 .brand b{font-size:15px}
 .brand small{font-size:11px;line-height:1.3}
 .topbar .top-nav{grid-row:2;justify-content:stretch;gap:8px;width:100%;overflow-x:auto;scrollbar-width:none}
 .topbar .top-nav a{flex:1;min-width:0;padding:10px 8px;font-size:12px;border-radius:10px}
 .top-actions{grid-column:1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:0;width:100%}
 .top-actions .btn{font-size:12px;min-height:46px;line-height:1.25;padding:10px 9px;min-width:0}
 .top-actions #exportOne{grid-column:1/-1}
 .shell{padding:15px 13px 24px}
 .intro{padding:18px 18px 17px;margin:0 0 17px;border-radius:18px;display:block;min-height:0;box-shadow:0 4px 16px #0d23400a}
 .intro .eyebrow{font-size:10px;letter-spacing:1.1px}
 .intro h1{font-size:clamp(23px,6vw,29px);line-height:1.22;letter-spacing:-.7px;margin:8px 0 10px}
 .intro-summary{font-size:12px!important;line-height:1.6!important}
 .intro-details{margin:10px 0 0}
 .intro-details summary{font-size:12px}
 .workgrid{gap:16px}
 .control,.studio{border-radius:18px;box-shadow:0 5px 20px #1d36500b}
 .control-heading{padding:19px 18px 9px}
 .control-heading h2{font-size:21px}
 .config-top{padding:11px 18px 14px;grid-template-columns:1fr;gap:16px}
 .config-field{background:#f8faff;border:1px solid #e7ecf6;padding:12px 13px;border-radius:13px}
 .config-field label{margin-bottom:8px;font-size:12px}
 .config-field select{min-height:48px;font-size:14px;background:#fff}
 .mobile-jump{display:flex;align-items:center;gap:12px;padding:0 18px 17px}
 .mobile-jump a{flex:0 0 auto;min-height:40px;border-radius:11px;font-size:12px;padding:9px 12px;background:#eaf0ff;color:#304bbb;border-color:#cbd7fb}
 .mobile-jump span{font-size:11px;color:#6c7a92;line-height:1.35}
 .tabs{display:flex;gap:9px;padding:12px 14px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity;overscroll-behavior-x:contain}
 .tabs::-webkit-scrollbar,.topbar .top-nav::-webkit-scrollbar{display:none}
 .tab{min-height:44px;flex:0 0 auto;padding:11px 16px;font-size:13px;border-radius:12px}
 .panel{padding:19px 17px 24px;overflow:visible;max-height:none}
 .panel h3{font-size:15px;margin:5px 0 11px;line-height:1.35}
 .panel .hint{font-size:12px;margin:7px 0 16px}
 .composition-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:15px 0 21px}
 .composition{padding:11px 8px;border-radius:14px;gap:7px}
 .composition canvas{height:118px}
 .composition span{font-size:12px}
 .composition small{font-size:10px}
 .template-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
 .template-preview{height:80px}
 .panel .check{margin:16px 0;padding:13px 12px}
 .studio-top{padding:16px 15px 13px}
 .studio-toolbar{padding:12px 15px}
 .studio-toolbar .row-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;gap:7px}
 .studio-toolbar .btn{padding:8px 6px;font-size:11px;white-space:normal}
 .toolhint{font-size:11px;line-height:1.45}
 .workspace-switch{width:100%;justify-content:center}
 .seg{flex:1;min-height:40px;font-size:12px;padding:9px 8px}
 .canvas-zone{padding:19px 12px 14px;min-height:0}
 .canvas-holder:not(.feature) #artboard{width:min(100%,300px);max-height:565px}
 .canvas-instructions{max-width:280px;line-height:1.5}
 .thumbs{padding:8px 15px 17px}
 .thumb-head{padding:15px 15px 9px}
 .studio-foot{padding:12px 15px}
 .seo-section{margin-top:18px;padding:19px}
 .seo-section h2{font-size:20px}
 .feature-cards{gap:10px}
 .feature-cards article{padding:14px}
 .footer{padding:20px 16px 92px;gap:13px}
 .footer nav{display:flex;flex-wrap:wrap;gap:12px}
 .mobile-actionbar{display:grid;position:fixed;left:0;bottom:0;z-index:55;width:100%;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px));border-top:1px solid #dce5f5;background:#fff;box-shadow:0 -5px 24px #172f4820}
 .mobile-actionbar a,.mobile-actionbar button{min-width:0;display:flex;align-items:center;justify-content:center;text-decoration:none;border:1px solid #dfe7f7;border-radius:12px;background:#f5f7fc;color:#273a59;min-height:44px;padding:9px 6px;text-align:center;font-size:12px;font-weight:850}
 .mobile-actionbar .mobile-actionbar-download{background:#405bea;color:white;border-color:#405bea}
 #control,#studio{scroll-margin-top:12px}
}
@media(max-width:370px){
 .brand b{font-size:14px}
 .shell{padding:12px 10px 22px}
 .intro{padding:16px}
 .topbar{padding-inline:12px}
 .topbar .top-nav a{font-size:11px;padding:9px 6px}
 .composition canvas{height:105px}
 .composition span{font-size:11px}
 .composition small{font-size:9px}
 .mobile-jump span{display:none}
}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 .btn,.tab,.composition,.topbar .top-nav a{transition:none!important}
}