body{font-family:system-ui,Segoe UI,Arial,sans-serif;margin:0;background:#f6f7fb;color:#1f2937}
.topbar{display:flex;gap:16px;align-items:center;padding:12px 16px;background:white;border-bottom:1px solid #e5e7eb;position:sticky;top:0}
.brand{font-weight:700}
.nav{display:flex;gap:12px;flex:1}
.nav a{color:#111827;text-decoration:none;padding:6px 8px;border-radius:8px}
.nav a:hover{background:#f3f4f6}
.user{font-size:14px;color:#6b7280}
.container{padding:18px;max-width:1100px;margin:0 auto}
.card{background:white;border:1px solid #e5e7eb;border-radius:14px;padding:14px;margin:12px 0;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}
h1,h2{margin:8px 0 10px}
label{display:block;font-size:13px;color:#374151;margin-top:10px}
input,select,textarea{width:100%;padding:10px;border:1px solid #d1d5db;border-radius:10px}
button{padding:10px 14px;border:0;border-radius:10px;background:#111827;color:white;cursor:pointer}
button.secondary{background:#374151}
table{width:100%;border-collapse:collapse}
th,td{padding:10px;border-bottom:1px solid #e5e7eb;text-align:left;font-size:14px}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;background:#eef2ff;color:#3730a3}
.error{color:#b91c1c}
.success{color:#047857}
.footer{padding:14px 16px;color:#6b7280}