body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
  display: grid;
  grid-template-columns: 240px 1fr;
}
.sidebar {
  min-height: 100vh;
  padding: 24px;
  background: #111827;
  border-right: 1px solid #1f2937;
}
.sidebar h1 { font-size: 22px; margin-top: 0; }
.sidebar nav { display: grid; gap: 12px; margin-top: 24px; }
.sidebar a { color: #93c5fd; text-decoration: none; }
.content { padding: 24px; }
.stats { display: grid; grid-template-columns: repeat(3, minmax(160px, 1fr)); gap: 16px; margin-bottom: 24px; }
.card {
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 12px;
  padding: 16px;
  display: grid;
  gap: 8px;
}
.card strong { font-size: 28px; }
.grid-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.grid-form textarea,
.grid-form button { grid-column: span 2; }
input, select, textarea, button {
  border-radius: 10px;
  border: 1px solid #334155;
  background: #0b1220;
  color: #e2e8f0;
  padding: 12px;
}
button { cursor: pointer; background: #2563eb; border: none; }
table { width: 100%; border-collapse: collapse; background: #111827; border-radius: 12px; overflow: hidden; }
th, td { padding: 12px; border-bottom: 1px solid #1f2937; text-align: left; vertical-align: top; }
a { color: #93c5fd; }