:root{--accent:#000;--accent-dark:#333;--ink:#111;--grey:#666;--rule:#e2e2e2;--mist:#f6f6f6;--bg:#fff;color:var(--ink);font:14px/1.45 Arial,Helvetica Neue,Helvetica,sans-serif}*{box-sizing:border-box}body{background:var(--bg);flex-direction:column;height:100vh;margin:0;display:flex}button,select,input,textarea{font:inherit;color:inherit}button,select,.btn{cursor:pointer;white-space:nowrap;background:#fff;border:1px solid #ccc;border-radius:4px;padding:7px 12px}button:hover,select:hover,.btn:hover{border-color:var(--ink)}.primary{background:var(--accent);border-color:var(--accent);color:#fff}.primary:hover{background:var(--accent-dark);border-color:var(--accent-dark)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sr{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.top{border-bottom:1px solid var(--rule);border-top:3px solid #000;flex-wrap:wrap;align-items:center;gap:20px;padding:10px 18px;display:flex}.brand{align-items:center;gap:8px;font-size:16px;font-weight:700;display:flex}.mark{border:2px solid #000;border-radius:1px;width:14px;height:18px}.steps{gap:4px;margin:0 auto;display:flex}.steps button{color:var(--grey);background:0 0;border:0;border-bottom:3px solid #0000;border-radius:0;padding:8px 14px;font-weight:700}.steps button[aria-selected=true]{color:var(--ink);border-bottom-color:var(--accent)}.steps .n{background:var(--mist);border-radius:50%;place-items:center;width:20px;height:20px;margin-right:7px;font-size:12px;display:inline-grid}.steps button[aria-selected=true] .n{background:var(--accent);color:#fff}.actions{gap:8px;display:flex}.main{flex:1;grid-template-columns:minmax(360px,520px) 1fr;min-height:0;display:grid}.panel{border-right:1px solid var(--rule);padding:18px 20px 60px;overflow:auto}#preview{background:#525659;border:0;width:100%;height:100%}.lead{color:var(--grey);margin:0 0 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th{width:42%;color:var(--grey);font-weight:400}.empty{color:#aaa;font-style:italic}.json{background:var(--mist);border-radius:8px;max-height:360px;padding:12px;font-size:12px;overflow:auto}.error,.info{border:1px solid #000;border-radius:4px;padding:8px 10px}.error{font-weight:700}.info{background:var(--mist);border-color:var(--rule)}.upload{color:var(--grey);border:1px dashed #999;border-radius:6px;align-items:center;gap:12px;margin-bottom:16px;padding:12px;font-size:12.5px;display:flex}.label.wide{width:100%}.key-ro{color:var(--grey);margin-left:auto;font-size:11.5px}details{margin-top:14px}summary{cursor:pointer;font-weight:700}@media (max-width:820px){body{height:auto}.main{grid-template-columns:1fr}#preview{height:80vh}.grid{grid-template-columns:1fr}}.picks{gap:6px;margin-top:12px;display:grid}.pick{text-align:left;white-space:normal;flex-direction:column;align-items:flex-start;gap:2px;padding:9px 12px;display:flex}.pick span{color:var(--grey);font-size:12px}select{max-width:100%}.req{color:#c00;font-weight:700}td.req{font-style:normal}input:invalid,select:invalid{box-shadow:none}