:root{
	--bg:#f4f6f9;
	--card:#ffffff;
	--muted:#6b7280;
	--accent:#6c5ce7;
	--accent-2:#4b7bec;
	--surface-shadow: 0 8px 30px rgba(20,20,40,0.06);
}
*{box-sizing:border-box;font-family:Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial}
body{padding:28px;background:var(--bg);color:#0f1724}
main{max-width:1000px;margin:0 auto;background:linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,255,255,0.96));padding:24px;border-radius:12px;box-shadow:var(--surface-shadow)}
h1{margin:0;font-size:22px}
.muted{color:var(--muted);font-size:13px;margin-top:6px}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px}
.top-controls{display:flex;align-items:center;gap:10px}
.top-controls .small{font-size:14px}
.small input{width:44px;text-align:center;padding:6px;border-radius:6px;border:1px solid #e6e9ef}

.grid{display:grid;grid-template-columns:2fr 1fr 2fr;gap:18px}
.card{background:var(--card);padding:14px;border-radius:10px;border:1px solid rgba(15,23,36,0.04)}
.canvas-card{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.canvas-header{display:flex;justify-content:space-between;align-items:center}
.canvas-wrap{display:flex;justify-content:center;padding:6px;background:linear-gradient(180deg,#fbfbff,#fff);border-radius:8px}
canvas{background:#fff;border-radius:8px;border:1px solid #eee;touch-action:none;box-shadow:0 6px 20px rgba(50,50,93,0.04)}
.save-row{display:flex;gap:8px;justify-content:flex-start}

.slots-card{display:flex;align-items:center;justify-content:center}
.slots-grid{display:flex;flex-direction:column;gap:10px;width:100%}
.slot{display:flex;align-items:center;justify-content:space-between;padding:8px;border-radius:8px;background:linear-gradient(180deg,#fff,#fbfcff);border:1px solid rgba(15,23,36,0.03)}
.slot img{width:72px;height:72px;object-fit:contain;border-radius:6px;border:1px solid #f0f2f6;background:#fff}

.render-card textarea{width:100%;min-height:84px;padding:10px;border-radius:8px;border:1px solid #e6e9ef}
.output{margin-top:12px;padding:10px;min-height:64px;background:linear-gradient(180deg,#fff,#fbfbff);border-radius:8px;border:1px dashed rgba(15,23,36,0.05);display:flex;flex-wrap:wrap;gap:6px;align-items:center}

.render-controls{margin-top:10px;display:flex;gap:8px}

.help ul{margin:0;padding-left:18px;color:var(--muted)}

.btn{padding:8px 12px;border-radius:8px;border:1px solid transparent;background:#eff2ff;color:#0f1724;cursor:pointer;font-weight:600}
.btn.small{padding:6px 10px;font-size:13px}
.btn.primary{background:var(--accent);color:#fff}
.btn.outline{background:transparent;border:1px solid rgba(15,23,36,0.06)}
.btn:active{transform:translateY(1px)}

@media (max-width:900px){.grid{grid-template-columns:1fr;}.top{flex-direction:column;align-items:flex-start}.slots-grid{flex-direction:row;justify-content:space-between}.slot img{width:56px;height:56px}}