:root{
  --bg:#f4f4f6;--panel:#fff;--line:#dcdce2;--text:#222;--muted:#6b6b76;--accent:#7a1f3d;--accent2:#b58b3a;--danger:#c0392b;--ok:#2e7d32;
  --radius:8px;--shadow:0 1px 3px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI",Meiryo,system-ui,sans-serif;color:var(--text);background:var(--bg);font-size:13px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:6px;padding:5px 10px;line-height:1.3}
button:hover{background:#f6f2f4;border-color:#c9b3bb}
button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
button.primary:hover{background:#5f1830}
button.small{padding:2px 7px;font-size:12px}
button.icon{padding:4px 6px}
button.active{background:var(--accent);color:#fff;border-color:var(--accent)}
button.danger{color:var(--danger);border-color:#e8b6b0}
button:disabled{opacity:.45;cursor:default}
input[type=text],input[type=number],select{border:1px solid var(--line);border-radius:6px;padding:4px 6px;background:#fff;min-width:0}
input[type=number]{width:70px}
input[type=range]{width:100%;accent-color:var(--accent)}
input[type=color]{width:34px;height:26px;padding:0;border:1px solid var(--line);border-radius:4px;background:#fff}
label.check{display:inline-flex;align-items:center;gap:4px;cursor:pointer}
h1{font-size:16px;margin:0}
h2{font-size:13px;margin:12px 0 6px;color:var(--accent);border-bottom:1px solid var(--line);padding-bottom:3px}
h3{font-size:12px;margin:10px 0 4px;color:var(--muted)}
.muted{color:var(--muted);font-size:12px}
.row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.row.between{justify-content:space-between}
.field{display:grid;grid-template-columns:96px 1fr;align-items:center;gap:6px;margin:4px 0}
.field>span{color:var(--muted);font-size:12px}
.badge{display:inline-block;padding:1px 6px;border-radius:10px;font-size:11px;background:#eee;color:#555}
.badge.ok{background:#e3f3e5;color:var(--ok)}
.badge.warn{background:#fdecea;color:var(--danger)}
.badge.local{background:#fff4d6;color:#8a6200}
.sw{display:inline-block;width:18px;height:18px;border-radius:4px;border:1px solid rgba(0,0,0,.15);vertical-align:middle}

/* ---- 管理画面レイアウト ---- */
.app{display:grid;grid-template-rows:48px 1fr;height:100vh}
.topbar{display:flex;align-items:center;gap:10px;padding:0 12px;background:var(--panel);border-bottom:1px solid var(--line);box-shadow:var(--shadow);z-index:5}
.topbar .spacer{flex:1}
.main{display:grid;grid-template-columns:300px 1fr 300px;min-height:0}
.side{background:var(--panel);border-right:1px solid var(--line);overflow:auto;padding:10px}
.side.right{border-right:0;border-left:1px solid var(--line)}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:8px}
.tabs button{border:0;border-bottom:2px solid transparent;border-radius:0;background:none;padding:6px 8px}
.tabs button.active{border-bottom-color:var(--accent);color:var(--accent);background:none;font-weight:600}
.tabpane{display:none}.tabpane.active{display:block}
.list{list-style:none;margin:0;padding:0}
.list li{border:1px solid var(--line);border-radius:6px;padding:6px 8px;margin:4px 0;background:#fff;cursor:pointer}
.list li.sel{border-color:var(--accent);box-shadow:0 0 0 2px rgba(122,31,61,.15)}
.list li .name{font-weight:600}
.list li .sub{margin-left:12px;font-size:12px}
.group{border:1px solid var(--line);border-radius:8px;margin:6px 0;background:#fafafa}
.group .ghead{display:flex;align-items:center;gap:6px;padding:6px 8px;background:#f0eaec;border-radius:8px 8px 0 0;cursor:pointer}
.group .ghead .name{font-weight:600;flex:1}
.group .gbody{padding:4px 8px 8px}
.region{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:5px;cursor:pointer;border:1px solid transparent}
.region:hover{background:#fff}
.region.sel{background:#fff;border-color:var(--accent)}
.region .rname{flex:1}
.region .vw{font-size:11px;color:var(--muted)}
.region.empty .rname{color:var(--danger)}
table.tbl{width:100%;border-collapse:collapse;font-size:12px}
table.tbl th,table.tbl td{border-bottom:1px solid var(--line);padding:4px 3px;text-align:left;vertical-align:middle}
table.tbl th{color:var(--muted);font-weight:normal;font-size:11px}
table.tbl input[type=text]{width:100%}
.oos td{opacity:.55}
.oos td.chk{opacity:1}

/* ---- キャンバス ---- */
.center{display:grid;grid-template-rows:auto 1fr auto;min-height:0;background:#e9e9ee}
.toolbar{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding:6px 10px;background:var(--panel);border-bottom:1px solid var(--line)}
.toolbar .sep{width:1px;height:22px;background:var(--line);margin:0 4px}
.toolbar .tool{padding:4px 8px}
.canvaswrap{position:relative;overflow:hidden;min-height:0;background:
  linear-gradient(45deg,#d9d9de 25%,transparent 25%),linear-gradient(-45deg,#d9d9de 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#d9d9de 75%),linear-gradient(-45deg,transparent 75%,#d9d9de 75%);
  background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0;background-color:#e4e4e9}
.canvaswrap canvas{position:absolute;left:0;top:0;touch-action:none}
.canvaswrap.tool-pan{cursor:grab}
.canvaswrap.tool-brush,.canvaswrap.tool-eraser{cursor:none}
.canvaswrap.tool-poly,.canvaswrap.tool-wand,.canvaswrap.tool-range{cursor:crosshair}
.canvaswrap.tool-move{cursor:move}
.statusbar{display:flex;gap:14px;padding:4px 10px;background:var(--panel);border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.hint{font-size:11px;color:var(--muted);line-height:1.5;background:#f7f5f6;border-radius:6px;padding:6px 8px;margin:6px 0}
.kbd{display:inline-block;border:1px solid #ccc;border-bottom-width:2px;border-radius:3px;padding:0 4px;font-size:11px;background:#fff}
.preview-thumb{width:100%;border:1px solid var(--line);border-radius:6px;background:#fff}
.pattern-card{display:flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:6px;padding:5px;margin:4px 0;background:#fff}
.pattern-card img{width:44px;height:44px;object-fit:cover;border-radius:4px;border:1px solid var(--line)}
.pattern-card.sel{border-color:var(--accent)}
.pattern-card .pinfo{flex:1;min-width:0}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#333;color:#fff;padding:8px 16px;border-radius:20px;font-size:13px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:50}
.toast.show{opacity:.95}
.toast.err{background:var(--danger)}
dialog{border:1px solid var(--line);border-radius:10px;padding:16px;max-width:420px}
dialog::backdrop{background:rgba(0,0,0,.3)}

/* ---- フロント ---- */
.front{max-width:1100px;margin:0 auto;padding:16px}
.front header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.front .stage{display:grid;grid-template-columns:1fr 320px;gap:18px}
.front .viewer{background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:12px;position:relative}
.front .viewer canvas{width:100%;height:auto;display:block;border-radius:8px;background:#fff}
.front .viewtabs{display:flex;gap:6px;margin-bottom:8px}
.front .viewtabs button{flex:1;padding:8px}
.front .panel{background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:14px}
.front .gname{font-weight:600;margin:12px 0 6px}
.swatches{display:flex;flex-wrap:wrap;gap:6px}
.swatch{width:34px;height:34px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #ccc;cursor:pointer;position:relative}
.swatch.sel{box-shadow:0 0 0 2px var(--accent)}
.swatch[title]:hover::after{content:attr(title);position:absolute;bottom:-22px;left:50%;transform:translateX(-50%);background:#333;color:#fff;font-size:11px;padding:2px 6px;border-radius:4px;white-space:nowrap;z-index:2}
.pswatches{display:flex;flex-wrap:wrap;gap:6px}
.pswatch{width:46px;height:46px;border-radius:6px;object-fit:cover;border:2px solid #fff;box-shadow:0 0 0 1px #ccc;cursor:pointer}
.pswatch.sel{box-shadow:0 0 0 2px var(--accent)}
.selname{font-size:12px;color:var(--muted);margin-top:4px}
.loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.6);border-radius:12px;font-size:14px;color:var(--muted)}
@media (max-width:860px){.front .stage{grid-template-columns:1fr}}