:root{--bg:#f3f6fa;--card:#fff;--text:#172033;--muted:#667085;--red:#b40000;--line:#e5e7eb;}
*{box-sizing:border-box} body{margin:0;background:var(--bg);font-family:Arial,Helvetica,sans-serif;color:var(--text)}
.app{display:flex;min-height:100vh}.sidebar{width:230px;background:#eef2f6;border-right:1px solid #d8dee8;padding:20px 16px;position:fixed;top:0;bottom:0;left:0;overflow:auto}
.logo{font-weight:800;font-size:20px;margin:10px 0 28px;color:#111827}.logo span{font-size:13px;color:var(--muted);font-weight:500}
nav a{display:block;padding:9px 10px;color:#111827;text-decoration:none;border-radius:8px;margin:2px 0;font-size:15px}
nav a:hover,nav a.active{background:#fff;border:1px solid #d8dee8}
.logic{margin-top:16px;padding:12px;border:1px solid #ccd3df;border-radius:8px;background:#f7f9fc;font-size:14px}
.content{margin-left:230px;padding:38px 48px;width:calc(100% - 230px)}h1{font-size:34px;margin:0 0 24px}.caption{color:#8a94a6;margin-top:-10px;margin-bottom:24px}
.card{background:var(--card);border:1px solid #e6e9ef;border-radius:14px;padding:18px;box-shadow:0 8px 24px rgba(15,23,42,.05);margin-bottom:18px}
.grid{display:grid;gap:16px}.grid4{grid-template-columns:repeat(4,1fr)}.grid3{grid-template-columns:repeat(3,1fr)}.grid2{grid-template-columns:repeat(2,1fr)}
.metric .label{font-size:14px;color:#667085}.metric .value{font-size:30px;font-weight:800;margin-top:8px}
.alert{padding:16px;border-radius:8px;margin-bottom:16px}.alert.red{background:#fde7e9;color:#b42318}.alert.yellow{background:#fff8d6;color:#8a6100}.alert.green{background:#e8f7ee;color:#087443}
.btn{background:#c40000;color:#fff;border:0;border-radius:8px;padding:11px 18px;font-weight:700;cursor:pointer;text-decoration:none;display:inline-block}
.btn.secondary{background:#111827}.input,select,textarea{width:100%;padding:12px;border:1px solid #ccd3df;border-radius:8px;background:#f8fafc;font-size:15px}label{display:block;margin:9px 0 6px}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}th,td{padding:12px;border-bottom:1px solid #e5e7eb;text-align:left;font-size:14px}th{color:#667085;background:#f8fafc;font-weight:600}
.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.tab{padding:12px;text-align:center;border:1px solid #ccd3df;border-radius:8px;background:#fff;text-decoration:none;color:#111827}.tab.active{background:#111827;color:#fff}
@media(max-width:900px){.sidebar{position:relative;width:100%;height:auto}.app{display:block}.content{margin:0;width:100%;padding:22px}.grid4,.grid3,.grid2{grid-template-columns:1fr}.tabs{grid-template-columns:1fr 1fr}}