:root{--fg:#1f2328;--muted:#6a737d;--card:#fff;--line:#d9d9d4;--accent:#2f6db5}*{box-sizing:border-box}body{color:var(--fg);background:#fafaf7;margin:0;font-family:system-ui,-apple-system,Segoe UI,Yu Gothic UI,sans-serif;line-height:1.5}header{padding:16px 20px 0}h1{margin:0;font-size:1.4rem}.sub{color:var(--muted);margin:4px 0 0}main{max-width:1200px;padding:16px 20px 40px}code{font-family:ui-monospace,Consolas,monospace;font-size:.92em}.card{background:var(--card);border:1px solid var(--line);border-radius:8px;margin-top:12px;padding:12px 16px}.card h2{margin:0 0 8px;font-size:1.05rem}.drop{border:2px dashed var(--accent);text-align:center;background:var(--card);cursor:pointer;border-radius:8px;padding:28px}.drop.over{background:#e8f0fb}.drop p{margin:0}label.inline{flex-direction:row;align-items:center;gap:8px;display:flex}pre{white-space:pre-wrap;margin:0;font-size:.85rem}