:root{font-family:Inter,Segoe UI,Arial,sans-serif;color:#172033;background:#f4f6f9}*{box-sizing:border-box}body{margin:0}a{color:inherit}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}aside{background:#142238;color:#fff;padding:28px 18px;display:flex;flex-direction:column;gap:28px}.brand{font-weight:800;font-size:21px;text-decoration:none;padding:0 12px}nav{display:grid;gap:6px}nav a,.link-button{padding:11px 12px;border-radius:8px;text-decoration:none;color:#ced8e8;background:none;border:0;font:inherit;text-align:left;width:100%;cursor:pointer}nav a.active,nav a:hover,.link-button:hover{background:#243955;color:#fff}aside form{margin-top:auto}main header{height:68px;background:#fff;border-bottom:1px solid #dfe4eb;padding:0 28px;display:flex;align-items:center;justify-content:space-between}.content{padding:30px;max-width:1450px}h1{margin-top:0}.muted{color:#687386}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin:22px 0}.card,.panel,.login-card{background:#fff;border:1px solid #e1e6ed;border-radius:12px;padding:20px;box-shadow:0 2px 8px #19243a0a}.metric{font-size:30px;font-weight:750;margin-top:8px}.panel{margin-top:18px;overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid #e7ebf0}th{font-size:12px;text-transform:uppercase;color:#667085}button,.button{border:0;border-radius:8px;padding:10px 14px;cursor:pointer;text-decoration:none;display:inline-block}.primary{background:#1769aa;color:#fff}.danger{background:#b42318;color:#fff}.secondary{background:#e9eef5;color:#23334d}input,select,textarea{width:100%;padding:10px 12px;border:1px solid #cfd6df;border-radius:7px;margin:5px 0 14px;background:#fff}label{font-weight:650;font-size:13px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(180px,1fr));gap:0 18px}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px;margin:12px 0 20px}.feature-grid label{display:flex;align-items:center;gap:8px}.feature-grid input{width:auto;margin:0}.actions{display:flex;gap:8px;flex-wrap:wrap}.alert{padding:12px;border-radius:8px;margin:12px 0}.error{background:#fee4e2;color:#912018}.success{background:#dcfae6;color:#086b3c}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#10223a,#24547b)}.login-card{width:min(430px,100%);padding:34px}.brand-mark{width:50px;height:50px;border-radius:12px;background:#1769aa;color:#fff;display:grid;place-items:center;font-weight:800}@media(max-width:800px){.app-shell{grid-template-columns:1fr}aside{position:static}nav{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}}