* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: #f6f7fb; color: #111827; }
.topbar { background: #111827; color: #fff; }
.topbar-inner { max-width: 1200px; margin: 0 auto; padding: 12px 20px; display: flex; justify-content: space-between; }
.top-right { display: flex; align-items: center; gap: 10px; }
.top-links { display: flex; gap: 6px; }
.top-links a { text-decoration: none; color: #fff; border: 1px solid #374151; background: #1f2937; padding: 5px 8px; border-radius: 7px; font-size: 12px; }
.top-links a:hover { background: #374151; }
.container { max-width: 1200px; margin: 20px auto; padding: 0 20px 40px; display: grid; gap: 16px; }
.card { background: #fff; border-radius: 12px; border: 1px solid #e5e7eb; padding: 16px; }
.auth-card { max-width: 420px; margin: 60px auto; }
h1, h2 { margin: 0 0 12px; }
.stack { display: grid; gap: 10px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.full { grid-column: 1 / -1; }
.inline { display: flex; align-items: center; gap: 6px; }
label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: #374151; }
input, select, textarea, button { padding: 10px 11px; border-radius: 8px; border: 1px solid #d1d5db; font-size: 14px; }
button { background: #111827; color: #fff; border: 1px solid #111827; cursor: pointer; }
button:hover { opacity: .92; }
.tabs { display: flex; align-items: center; gap: 8px; }
.tabs a { text-decoration: none; color: #1f2937; padding: 8px 10px; border-radius: 8px; border: 1px solid #d1d5db; background: #fff; }
.tabs a.active { background: #111827; color: #fff; border-color: #111827; }
.tabs form { margin-left: auto; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 980px; }
th, td { text-align: left; border-bottom: 1px solid #e5e7eb; padding: 10px 8px; vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; color: #6b7280; }
.error { color: #b91c1c; font-weight: 700; }
.success { color: #047857; font-weight: 700; }
@media (max-width: 920px) {
  .grid { grid-template-columns: 1fr; }
  .topbar-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
  .top-right { flex-direction: column; align-items: flex-start; }
}