:root{--ink:#211d2e;--muted:#615a72;--line:#cdc3ed}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:linear-gradient(180deg,#fbf8ff,#eeeafa)}
.designer-header{max-width:1180px;margin:0 auto;padding:18px 16px 12px;display:flex;justify-content:space-between;gap:12px;align-items:center}
h1{margin:0;font-size:clamp(2rem,5vw,3.4rem);line-height:1}p{color:var(--muted)}
.back-link{padding:10px 14px;border:1px solid var(--line);border-radius:999px;background:white;color:var(--ink);font-weight:700;text-decoration:none}
.designer-shell{max-width:1180px;margin:0 auto 40px;padding:0 16px;display:grid;grid-template-columns:300px 1fr;gap:16px}
.palette,.canvas-area{background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:18px;box-shadow:0 20px 60px rgba(47,34,93,.12)}
.palette{padding:18px}.palette section+section{margin-top:18px}.palette h2{margin:0 0 8px}
label{display:grid;gap:5px;margin:10px 0;font-weight:700}input,select,button,textarea{font:inherit;border:1px solid #a99dcc;border-radius:10px}
input,select{min-height:36px;padding:4px 8px;background:white}button{min-height:38px;width:100%;margin:5px 0;background:#f7f4ff;font-weight:800;cursor:pointer}
button:hover{background:#ece5ff}button.play{background:#fff1b8;border-color:#d8b33d}.file-label input{margin-top:6px}.mini{font-size:.9rem;margin:.25rem 0 .5rem}
.piece-tray{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.piece-icon{width:42px;height:42px;border:2px solid #555;border-radius:10px;background:white;display:grid;place-items:center;cursor:pointer;box-shadow:0 3px 0 rgba(0,0,0,.22)}
.piece-icon.selected{outline:4px solid #ffd84c}.piece-icon.erase{font-size:24px}.piece-swatch{width:28px;height:28px;border:2px solid rgba(255,255,255,.8);box-shadow:inset 0 0 0 2px rgba(0,0,0,.35)}
.piece-swatch.special{background-image:repeating-radial-gradient(circle,#fff 0 2px,transparent 3px 7px)}
.canvas-area{padding:14px}.tips{margin-bottom:10px;color:var(--muted)}
canvas{width:min(100%,620px);height:auto;display:block;border:1px solid #514b78;background:#606080;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
textarea{display:block;width:100%;min-height:115px;margin-top:12px;padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}
@media(max-width:850px){.designer-shell{grid-template-columns:1fr}.designer-header{align-items:flex-start;flex-direction:column}}

/* v3 designer refinements */
.palette h2{font-size:1.15rem}
.canvas-area{position:sticky;top:12px;align-self:start}
#levelText{display:none}
.hidden{display:none!important}
.share-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(#25b86f,#10834c);border-color:#0b6d3f;color:#fff;box-shadow:0 5px 14px rgba(16,131,76,.24)}
.share-button:hover{background:linear-gradient(#28c979,#129454)}
.share-icon{display:inline-grid;place-items:center;width:21px;height:21px}
.share-icon svg{width:21px;height:21px;stroke:currentColor;stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.share-result{margin:8px 0 4px;border:1px solid #bcd1e6;background:#f7fbff;color:#19456c;border-radius:12px;padding:10px;font-weight:700;line-height:1.35;word-break:break-word}
.share-result a{color:#19456c}
.share-url-row{display:grid;grid-template-columns:minmax(120px,1fr) auto;gap:8px;margin:8px 0}
.share-url-row input{min-height:36px;padding:4px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9rem}
.copy-share-button{min-height:36px;padding:4px 10px}
.file-label,button,select,input{font-size:.95rem}
@media(max-width:850px){.canvas-area{position:static}.share-url-row{grid-template-columns:1fr}}

.save-share-panel{margin-top:14px;padding:14px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.96)}
.save-share-panel section{margin:0}
.save-share-panel h2{margin:0 0 8px}

/* v3.2 Save & Share right-panel layout */
.save-share-panel section{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:9px 10px;
  align-items:end;
}
.save-share-panel h2,
.save-share-panel .share-result{
  grid-column:1/-1;
}
.save-share-panel label{
  margin:0;
}
.save-share-panel label:not(.file-label){
  grid-column:span 2;
}
.save-share-panel button{
  width:100%;
  margin:0;
}
.save-share-panel .file-label{
  grid-column:span 2;
  width:100%;
  min-height:38px;
  display:grid;
  align-items:center;
  justify-items:center;
  padding:8px;
  border:1px solid #a99dcc;
  border-radius:10px;
  background:#f7f4ff;
  font-weight:800;
  cursor:pointer;
}
.save-share-panel .file-label input{
  max-width:100%;
  margin-top:6px;
}
.save-share-panel button.play,
.save-share-panel .share-button{
  grid-column:span 2;
  min-height:44px;
}
@media(max-width:700px){
  .save-share-panel section{grid-template-columns:1fr}
  .save-share-panel label,
  .save-share-panel label:not(.file-label),
  .save-share-panel button.play,
  .save-share-panel .share-button{grid-column:1/-1}
}

/* v3.3 Save & Share row layout */
.save-share-panel section{
  display:block;
}
.save-row{
  display:grid;
  gap:9px 10px;
  align-items:end;
  margin-top:10px;
}
.save-row-top{
  grid-template-columns:minmax(170px,.8fr) minmax(220px,1.7fr) minmax(170px,.8fr);
}
.save-row-files{
  grid-template-columns:minmax(170px,1fr) minmax(170px,1fr) minmax(220px,1.5fr);
}
.save-row-special{
  grid-template-columns:1fr 1fr;
  margin-top:14px;
}
.save-row label{
  margin:0;
}
.save-row button,
.save-row .file-label{
  width:100%;
  margin:0;
}
.save-row-special button{
  min-height:44px;
}
.save-row-files .file-label{
  min-height:38px;
  display:grid;
  align-items:center;
  justify-items:center;
  padding:8px;
  border:1px solid #a99dcc;
  border-radius:10px;
  background:#f7f4ff;
  font-weight:800;
  cursor:pointer;
}
@media(max-width:850px){
  .save-row-top,
  .save-row-files,
  .save-row-special{
    grid-template-columns:1fr;
  }
}

/* v3.4 Save & Share compact wrapping tools row */
.save-tools-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:end;
  margin-top:10px;
}
.save-tools-row > button,
.save-tools-row > .file-label{
  flex:1 1 170px;
  width:auto;
  margin:0;
}
.save-tools-row > .saved-level-label{
  flex:2 1 260px;
  margin:0;
}
.save-tools-row select{
  width:100%;
}
.save-tools-row .file-label{
  min-height:38px;
  display:grid;
  align-items:center;
  justify-items:center;
  padding:8px;
  border:1px solid #a99dcc;
  border-radius:10px;
  background:#f7f4ff;
  font-weight:800;
  cursor:pointer;
}
.special-actions-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin-top:14px;
}
.special-actions-row button{
  width:100%;
  margin:0;
  min-height:46px;
}
@media(max-width:700px){
  .special-actions-row{grid-template-columns:1fr}
}

/* v3.5 final Save & Share layout override */
.save-share-panel section{
  display:block !important;
}
.save-tools-row{
  display:flex !important;
  flex-wrap:wrap;
  gap:10px;
  align-items:flex-end;
  margin-top:10px;
}
.save-tools-row > button{
  flex:1 1 170px;
  width:auto !important;
  margin:0 !important;
}
.save-tools-row > .saved-level-label{
  flex:2 1 300px;
  margin:0 !important;
}
.save-tools-row > .file-label{
  flex:1 1 220px;
  width:auto !important;
  margin:0 !important;
  min-height:38px;
  display:grid;
  align-items:center;
  justify-items:center;
  padding:8px;
  border:1px solid #a99dcc;
  border-radius:10px;
  background:#f7f4ff;
  font-weight:800;
  cursor:pointer;
}
.save-tools-row select{
  width:100%;
}
.special-actions-row{
  display:grid !important;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr) !important;
  gap:10px;
  margin-top:14px;
}
.special-actions-row button{
  width:100% !important;
  margin:0 !important;
  min-height:46px;
}
.special-actions-row .share-button,
.special-actions-row .play{
  grid-column:auto !important;
}
@media(max-width:700px){
  .special-actions-row{
    grid-template-columns:1fr !important;
  }
}

/* v3.6 inline Load .txt control */
.save-tools-row > .file-label{
  display:flex !important;
  flex-direction:row !important;
  align-items:center !important;
  justify-content:center !important;
  gap:10px;
  min-height:38px;
  white-space:nowrap;
}
.save-tools-row > .file-label input{
  margin-top:0 !important;
  max-width:260px;
}


.import-image-link{
  display:inline-block;
  margin-top:8px;
  color:#2e5c9a;
  font-weight:800;
  text-decoration:none;
}
.import-image-link:hover{text-decoration:underline}


/* v4.1 SEO/JGames standardization */
body{position:relative}
.designer-title-row{display:flex;align-items:center;gap:14px}
.designer-header-icon{
  flex:0 0 auto;
  width:58px;
  height:58px;
  object-fit:contain;
  border-radius:16px;
  background:#fff;
  border:1px solid rgba(11,46,131,.14);
  box-shadow:0 12px 28px rgba(20,52,86,.18);
}
.public-note{
  color:var(--muted);
  font-size:.78rem;
  font-weight:700;
  white-space:nowrap;
}
.jgames-home-badge{
  position:fixed;
  top:12px;
  right:12px;
  z-index:10000;
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:#fff;
  border:1px solid rgba(11,46,131,.18);
  box-shadow:0 8px 22px rgba(11,46,131,.18);
  transition:transform .12s ease, box-shadow .12s ease;
}
.jgames-home-badge img{width:32px;height:32px;display:block}
.jgames-home-badge:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(11,46,131,.22)}
.designer-header{padding-right:68px}
.footer{
  max-width:1180px;
  margin:0 auto 36px;
  padding:18px 18px 24px;
  background:rgba(255,255,255,.95);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:0 20px 60px rgba(47,34,93,.12);
  text-align:center;
  font:14px/1.45 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
}
.footer nav{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:8px 14px;
  margin-bottom:12px;
  font-weight:700;
}
.footer a{color:#0B2E83;text-decoration:none}
.footer a:hover{color:#D80D16;text-decoration:underline}
.footer p{margin:6px 0 0;color:#34445c}
@media(max-width:850px){
  .designer-title-row{align-items:flex-start}
  .designer-header{padding-right:58px}
  .jgames-home-badge{width:40px;height:40px;border-radius:13px}
  .jgames-home-badge img{width:29px;height:29px}
  .footer{margin:0 12px 24px;padding:14px 12px 18px}
}