*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#f4f6f8;color:#1f2937}a{color:#155eef;text-decoration:none}header{background:#111827;color:#fff;padding:14px 22px;display:flex;gap:20px;align-items:center;flex-wrap:wrap}header strong{font-size:18px}nav a{color:#d1d5db;margin-right:14px}nav a.active,nav a:hover{color:#fff}main{max-width:1180px;margin:24px auto;padding:0 18px}.card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:18px;margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.muted{color:#6b7280}.ok{background:#ecfdf3;color:#067647;padding:10px 12px;border-radius:8px}.error{background:#fef3f2;color:#b42318;padding:10px 12px;border-radius:8px}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid #e5e7eb;padding:10px 8px;vertical-align:top}input,select,textarea,button{font:inherit}input,select,textarea{width:100%;padding:9px 10px;border:1px solid #cbd5e1;border-radius:7px;background:#fff}textarea{min-height:110px}button,.button{display:inline-block;border:0;border-radius:7px;padding:9px 12px;background:#155eef;color:#fff;cursor:pointer}.danger{background:#b42318}.secondary{background:#475467}.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.actions{display:flex;gap:8px;flex-wrap:wrap}.actions form{margin:0}.small{font-size:12px}.code{font-family:Consolas,monospace;word-break:break-all}h1,h2,h3{margin-top:0}@media(max-width:700px){.row{grid-template-columns:1fr}table{font-size:13px}}