:root{--p:#1677ff;--bg:#f3f6fb;--nav:#0b1f35;--good:#10a660;--warn:#f59e0b;--bad:#e53945}*{box-sizing:border-box}body{margin:0;font:14px Arial,sans-serif;background:var(--bg);color:#11243a}aside{position:fixed;inset:0 auto 0 0;width:230px;background:var(--nav);padding:18px;color:white}aside a{display:block;color:#d9e8f7;text-decoration:none;padding:11px;border-radius:7px;margin:4px 0}aside a:hover{background:#17456e}.brand{font-size:18px;padding:8px 4px 22px}.brand img{width:34px;height:34px;object-fit:contain;vertical-align:middle}main{margin-left:230px;padding:20px}header{display:flex;justify-content:space-between;align-items:center}.grid{display:grid;grid-template-columns:repeat(4,minmax(180px,1fr));gap:14px}.card{background:white;border-radius:12px;padding:16px;box-shadow:0 2px 10px #1231}.card h3{margin-top:0}.metric{font-size:28px;font-weight:bold}.good{color:var(--good)}.warn{color:var(--warn)}.bad{color:var(--bad)}table{width:100%;border-collapse:collapse;background:white;border-radius:10px;overflow:hidden}th,td{padding:10px;border-bottom:1px solid #e5eaf0;text-align:left}th{background:#eaf2fb}button,.btn{background:var(--p);color:white;border:0;border-radius:7px;padding:9px 13px;text-decoration:none;cursor:pointer}input,select,textarea{width:100%;padding:9px;border:1px solid #cbd5df;border-radius:7px;margin:5px 0 12px}.form{max-width:700px}.alert{padding:12px;border-radius:8px;background:#fff0f1;margin:8px 0}.toolbar{display:flex;gap:8px;margin:12px 0}@media(max-width:900px){.grid{grid-template-columns:1fr 1fr}aside{width:190px}main{margin-left:190px}}