:root{
  --bg:#f6f8f6; --panel:#fff; --panel2:#f1f4f0; --border:#e2e7e0; --border-dark:#cdd6cc;
  --text:#17221a; --muted:#5e6e61; --accent:#1bb35e; --accent-dark:#128a47; --accent-deep:#0c5e31; --accent-soft:#e3f6eb;
  --warn:#b07a12; --warn-soft:#fbf3e0;
  --radius:14px; --shadow:0 1px 2px rgba(23,34,26,.05),0 8px 24px -12px rgba(23,34,26,.12);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; --mono:ui-monospace,Consolas,Menlo,monospace;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 var(--font);-webkit-font-smoothing:antialiased}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}

.topnav{background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.navwrap{max-width:1100px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brandline{display:flex;align-items:center;gap:9px}
.brand{font-weight:900;font-size:15px}
.grassblock{width:24px;height:24px;border-radius:6px;background:linear-gradient(180deg,#4cc057 0 34%,#8a5a32 34% 100%);box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.navnote{color:var(--muted);font-size:13px;font-weight:600}
@media (max-width:620px){.navnote{display:none}}

.hero{text-align:center;padding:40px 16px 18px}
.hero h1{font-size:clamp(1.8rem,5vw,2.7rem);font-weight:900;letter-spacing:-.02em;margin:0 0 10px}
.tagline{color:var(--muted);font-size:clamp(1rem,2vw,1.15rem);max-width:620px;margin:0 auto}
.tagline .accent{color:var(--accent-dark);font-weight:700}

.layout{display:grid;grid-template-columns:1fr;gap:22px;align-items:start;margin-top:8px}

/* THE GALLERY (the product) */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:12px;margin-top:4px}
.gcard{background:var(--panel);border:2px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:12px 8px 9px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:8px;
  transition:transform .12s,border-color .12s;font:inherit}
.gcard:hover{transform:translateY(-3px) scale(1.02);border-color:var(--accent)}
.gcard.on{border-color:var(--accent);outline:3px solid var(--accent-soft)}
.gbanner{width:64px;height:128px;image-rendering:pixelated;filter:drop-shadow(0 4px 6px rgba(0,0,0,.22))}
.gname{font-size:12.5px;font-weight:800;text-align:center;line-height:1.15}

/* detail: chosen banner + how-to */
.detail{display:grid;grid-template-columns:280px 1fr;gap:26px;align-items:start;margin-top:34px;
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
@media (max-width:720px){.detail{grid-template-columns:1fr}}
.detail-left{display:flex;flex-direction:column;align-items:center;gap:6px}
.bannerbox{display:flex;justify-content:center;border-radius:12px;padding:16px;
  background-image:linear-gradient(45deg,#eef1ec 25%,transparent 25%,transparent 75%,#eef1ec 75%),linear-gradient(45deg,#eef1ec 25%,#fff 25%,#fff 75%,#eef1ec 75%);
  background-size:20px 20px;background-position:0 0,10px 10px;border:1px solid var(--border)}
#banner{width:180px;height:360px;image-rendering:pixelated;filter:drop-shadow(0 6px 10px rgba(0,0,0,.18))}
.btn.ghost{background:#fff;color:var(--accent-dark);border:2px solid var(--accent);box-shadow:none;margin-top:6px}
.btn.ghost:hover{background:var(--accent-soft)}
.edh{font-size:1.25rem;font-weight:900;margin:34px 0 12px}
.count{text-align:center;color:var(--muted);font-weight:700;font-size:14px;margin:10px 0 4px}
.warn{background:var(--warn-soft);border:1px solid #ecdcae;color:var(--warn);border-radius:12px;padding:10px 13px;font-size:13.5px;font-weight:600;margin:6px 0}

.outblock{margin-top:16px}
.outblock h2{font-size:1rem;font-weight:800;margin:0 0 8px}
.outblock h2 .sub{font-weight:600;color:var(--muted);font-size:.8em}
.steps{margin:0;padding-left:20px}
.steps li{margin-bottom:7px;font-size:14px;line-height:1.45}
.cmdrow{margin-bottom:8px}
#cmd{background:#fcfdf9;border:1px solid var(--border);border-radius:12px;padding:11px;font-family:var(--mono);font-size:11.5px;line-height:1.5;white-space:pre-wrap;word-break:break-all;margin:0;color:#45503f}

/* controls */
.block{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:15px 16px;margin-bottom:16px}
.block h3{font-size:1rem;font-weight:800;margin:0 0 4px}
.block h3 .sub{font-weight:600;color:var(--muted);font-size:.8em}
.hint{color:var(--muted);font-size:13.5px;margin:0 0 11px}

.palette{display:grid;grid-template-columns:repeat(8,1fr);gap:7px}
.palette .sw{width:100%;aspect-ratio:1;border-radius:8px;border:2px solid rgba(0,0,0,.12);cursor:pointer;transition:transform .1s}
.palette .sw:hover{transform:scale(1.08)}
.palette .sw.on{outline:3px solid var(--accent);outline-offset:1px;border-color:#fff}

.sw{display:inline-block;width:20px;height:20px;border-radius:6px;border:1px solid rgba(0,0,0,.15);vertical-align:middle}
.basebtn{display:flex;align-items:center;gap:10px;width:100%;background:#fff;border:1px solid var(--border-dark);border-radius:12px;padding:10px 14px;cursor:pointer;font:inherit;font-weight:700}
.basebtn .setto{margin-left:auto;color:var(--muted);font-weight:600;font-size:12.5px}

.pcat{margin-bottom:12px}
.pcat-h{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:2px 0 7px}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(54px,1fr));gap:8px}
.pbtn{background:var(--panel2);border:1px solid var(--border);border-radius:10px;padding:5px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px;transition:border-color .1s,transform .1s}
.pbtn:hover{border-color:var(--accent);transform:translateY(-1px)}
.pbtn canvas{width:30px;height:60px;image-rendering:pixelated}
.pbtn .pn{font-size:9.5px;line-height:1.1;text-align:center;color:var(--muted)}
.pbtn.special{border-style:dashed}

.layers{display:flex;flex-direction:column;gap:8px}
.layer{display:flex;align-items:center;gap:10px;background:var(--panel2);border:1px solid var(--border);border-radius:11px;padding:8px 10px}
.layer canvas{width:18px;height:36px;image-rendering:pixelated;flex-shrink:0}
.layer .lname{flex:1;font-size:13.5px;font-weight:600;min-width:0}
.layer .lsw{width:26px;height:26px;border-radius:7px;border:1px solid rgba(0,0,0,.15);cursor:pointer;flex-shrink:0}
.layer .lbtn{background:#fff;border:1px solid var(--border-dark);border-radius:7px;width:28px;height:28px;cursor:pointer;font-weight:700;color:var(--muted);flex-shrink:0}
.layer .lbtn:hover{border-color:var(--accent);color:var(--accent-dark)}
.layers .empty{color:var(--muted);font-size:13.5px;padding:4px 2px}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip{background:var(--panel);border:1px solid var(--border);border-radius:999px;padding:8px 15px;font:600 14px/1.2 var(--font);cursor:pointer;box-shadow:var(--shadow)}
.chip:hover{border-color:var(--accent);color:var(--accent-dark)}

.btn{background:var(--accent);color:#fff;border:0;border-radius:999px;padding:10px 18px;cursor:pointer;font:700 14.5px/1.2 var(--font);box-shadow:0 8px 20px -10px rgba(27,179,94,.6)}
.btn:hover{filter:brightness(1.05)}

footer{margin:40px 0 24px;color:var(--muted);font-size:13px;border-top:1px solid var(--border);padding-top:16px;text-align:center}
footer p{margin:5px auto;max-width:680px}
.fineprint{font-size:11.5px;opacity:.75}