body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; background: #f6f7f9; color: #111; }
.container { max-width: 1100px; margin: 0 auto; padding: 16px; }
.topbar { background: #101828; color: #fff; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { font-weight: 700; letter-spacing: 0.2px; }
.nav { display: flex; gap: 10px; }
.nav-link { color: #cbd5e1; text-decoration: none; padding: 8px 10px; border-radius: 8px; }
.nav-link.active, .nav-link:hover { background: rgba(255,255,255,0.12); color: #fff; }
.userbox { display: flex; align-items: center; gap: 10px; }
.badge { font-size: 12px; background: rgba(255,255,255,0.12); padding: 4px 8px; border-radius: 999px; }
.btn-link { color: #fff; text-decoration: none; padding: 6px 10px; border: 1px solid rgba(255,255,255,0.22); border-radius: 8px; }

h1 { font-size: 20px; margin: 16px 0 12px; }
h2 { font-size: 16px; margin: 18px 0 10px; }

.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 12px; padding: 14px; box-shadow: 0 1px 0 rgba(16,24,40,0.04); }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.row { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 180px; flex: 1; }
label { font-size: 12px; color: #475467; }
input[type="text"], input[type="email"], input[type="password"], input[type="date"], select { padding: 10px 10px; border-radius: 10px; border: 1px solid #d0d5dd; background: #fff; font-size: 14px; }
textarea { padding: 10px 10px; border-radius: 10px; border: 1px solid #d0d5dd; min-height: 80px; }
.actions { display: flex; gap: 10px; align-items: center; }
button { padding: 10px 12px; border-radius: 10px; border: 1px solid #101828; background: #101828; color: #fff; cursor: pointer; }
button.secondary { background: #fff; color: #101828; border-color: #d0d5dd; }

.flash { margin: 14px 0; padding: 10px 12px; border-radius: 10px; border: 1px solid #e5e7eb; background: #fff; }
.flash.success { border-color: #a6f4c5; background: #ecfdf3; }
.flash.error { border-color: #fda29b; background: #fef3f2; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 10px; border-bottom: 1px solid #e5e7eb; text-align: left; font-size: 14px; }
th { font-size: 12px; color: #475467; text-transform: uppercase; letter-spacing: 0.04em; }
.muted { color: #667085; font-size: 12px; }
.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; border: 1px solid #e5e7eb; background: #f9fafb; }

@media (max-width: 900px) {
  .grid, .grid-3 { grid-template-columns: 1fr; }
}