*{box-sizing:border-box}body{margin:0;background:#f5f7fb;color:#172033;font-family:Arial,sans-serif}header{background:#111827;color:#fff;padding:16px 5%;display:flex;justify-content:space-between;align-items:center}header a{color:#fff;margin-left:18px;text-decoration:none}.brand{font-size:20px;font-weight:700}.container{max-width:1100px;margin:30px auto;padding:0 18px}.card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:22px;margin:18px 0;box-shadow:0 5px 20px #00000008}.narrow{max-width:520px;margin:60px auto}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:20px}.stat small{display:block;color:#64748b}.stat strong{display:block;font-size:28px;margin-top:8px}.two{display:grid;grid-template-columns:1fr 1fr;gap:15px}label{display:block;font-weight:600;margin:14px 0}input,textarea,select{width:100%;padding:11px;border:1px solid #cbd5e1;border-radius:8px;margin-top:6px;font:inherit}button,.button{display:inline-block;background:#111827;color:#fff;border:0;border-radius:8px;padding:11px 16px;text-decoration:none;cursor:pointer}.actions{display:flex;gap:10px;margin:20px 0}.alert{padding:12px 16px;border-radius:9px;margin-bottom:16px}.ok{background:#dcfce7;color:#166534}.error{background:#fee2e2;color:#991b1b}.tablewrap{overflow:auto;background:#fff;border-radius:12px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px;border-bottom:1px solid #e5e7eb;white-space:nowrap}.row{display:flex;justify-content:space-between;gap:15px;align-items:center}code{word-break:break-all}@media(max-width:800px){.grid{grid-template-columns:1fr 1fr}.two{grid-template-columns:1fr}}@media(max-width:500px){.grid{grid-template-columns:1fr}.actions{flex-wrap:wrap}}