:root{
--bg:#f5f7fb; --card:#fff; --text:#1f2937; --muted:#6b7280;
--brand:#1e6bb8; --brand-2:#2c80d1; --ok:#10b981; --warn:#ef4444;
--shadow:0 10px 30px rgba(0,0,0,.08);
}
*{box-sizing:border-box;}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);}
.center{min-height:100vh;display:grid;place-items:center;padding:24px;}
.topbar{display:flex;gap:16px;align-items:center;justify-content:space-between;padding:16px 24px;background:#fff;box-shadow:var(--shadow);position:sticky;top:0;z-index:1}
.topbar h1{font-size:20px;margin:0}
.topbar nav a{margin-right:12px;text-decoration:none;color:var(--text);padding:8px 10px;border-radius:8px}
.topbar nav a:hover{background:#eef5ff}
.topbar nav a.active{background:#e0efff;color:#0b4c8c}
.topbar nav a.danger{color:#b91c1c}
.container{max-width:1000px;margin:24px auto;padding:0 16px;}
.card{background:var(--card);border-radius:14px;box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.card h2{margin:0 0 12px 0}
.card.stat{display:flex;flex-direction:column;align-items:flex-start;}
.card.stat.ok{border-left:6px solid var(--ok)}
.card.stat.warn{border-left:6px solid var(--warn)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.big{font-size:28px;margin:8px 0 0}
.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;align-items:end}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
.row{display:flex;gap:8px}
label{font-size:13px;color:var(--muted)}
input,select,textarea,button{width:100%;padding:10px 12px;border:1px solid #e5e7eb;border-radius:10px;font:inherit}
textarea{min-height:90px}
button{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:white;border:none;cursor:pointer}
button:hover{filter:brightness(.98)}
.alert{background:#fee2e2;color:#991b1b;border:1px solid #fecaca;padding:8px 12px;border-radius:8px;margin:8px 0}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 8px;border-bottom:1px solid #eee}
th{text-align:left;color:#374151}
.right{text-align:right}
.muted{color:var(--muted);font-size:12px}