:root{font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:#20242b;background:#f5f7fa}*{box-sizing:border-box}body{margin:0}nav{background:#18212f;color:#fff}.nav-inner{max-width:1200px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:14px 20px}.brand,.nav-links a{color:#fff;text-decoration:none}.brand{font-weight:700;font-size:20px}.nav-links{display:flex;gap:16px;align-items:center}.container{max-width:1200px;margin:30px auto;padding:0 20px}.card{background:#fff;border:1px solid #dfe4ea;border-radius:10px;padding:22px;margin-bottom:18px;box-shadow:0 1px 3px #0000000c}h1{margin-top:0}label{display:block;font-weight:600;margin:12px 0 5px}input,select,textarea{width:100%;max-width:600px;padding:10px;border:1px solid #b9c2ce;border-radius:6px}button,.button{display:inline-block;background:#2457d6;color:#fff;border:0;border-radius:6px;padding:10px 15px;text-decoration:none;cursor:pointer;margin-top:14px}.muted{color:#667085}.error{background:#fee4e2;color:#912018;padding:10px;border-radius:6px}.flash{background:#dcfae6;padding:10px;border-radius:6px;margin-bottom:16px}.grid-wrap{overflow:auto;background:#fff;border:1px solid #ddd}table{border-collapse:collapse;width:100%;font-size:14px}th,td{border-bottom:1px solid #e5e7eb;padding:8px 10px;text-align:left;white-space:nowrap}th{position:sticky;top:0;background:#f2f4f7}.lists{display:grid;grid-template-columns:1fr 1fr;gap:20px}.list a{display:block;padding:10px 0;border-bottom:1px solid #eee;text-decoration:none}footer{text-align:center;color:#777;padding:35px}@media(max-width:700px){.lists{grid-template-columns:1fr}.nav-links span{display:none}}