.spr-wrap{max-width:900px;margin:20px auto;font-family:Arial,sans-serif}
.spr-card{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:24px;box-shadow:0 6px 24px rgba(0,0,0,.06)}
.spr-card h2{margin:0 0 6px;font-size:28px}.spr-sub{margin:0 0 20px;color:#666}
.spr-upload{display:flex;align-items:center;justify-content:center;min-height:90px;border:2px dashed #bbb;border-radius:12px;cursor:pointer;background:#fafafa;font-weight:700}
.spr-upload input{display:none}.spr-upload:hover{background:#f3f4f6}
.spr-error{color:#b91c1c;margin:12px 0;font-size:14px;min-height:18px}
.spr-hidden{display:none!important}.spr-preview-box{margin:20px 0;text-align:center;background:#f3f4f6;border-radius:12px;padding:12px;overflow:auto}
#spr-canvas{max-width:100%;height:auto;display:block;margin:auto}
.spr-controls{display:grid;gap:14px}.spr-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.spr-controls label{font-weight:600;font-size:14px}.spr-controls input[type=number],.spr-controls select{display:block;width:100%;box-sizing:border-box;margin-top:6px;padding:11px;border:1px solid #d1d5db;border-radius:8px;background:#fff}
.spr-check{display:flex!important;gap:8px;align-items:center}.spr-check input{width:auto!important}
.spr-primary,.spr-secondary,.spr-download{border:0;border-radius:9px;padding:12px 16px;text-align:center;text-decoration:none;cursor:pointer;font-weight:700}
.spr-primary{background:#111827;color:#fff}.spr-secondary{background:#e5e7eb;color:#111827}.spr-primary:disabled{opacity:.6;cursor:wait}
.spr-result{padding:16px;background:#f8fafc;border-radius:10px;display:grid;gap:8px}.spr-download{background:#16a34a;color:#fff;display:inline-block;margin-top:6px}
@media(max-width:600px){.spr-card{padding:16px}.spr-row{grid-template-columns:1fr}.spr-card h2{font-size:24px}}