* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}
header {
  background: linear-gradient(135deg, #111827, #1f2937);
  padding: 16px 24px;
  border-bottom: 1px solid #1f2937;
  position: sticky;
  top: 0;
  z-index: 10;
}
h1 { margin: 0; font-size: 20px; }
.nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.nav button {
  background: #1e293b;
  border: 1px solid #334155;
  color: #e2e8f0;
  padding: 8px 12px;
  border-radius: 8px;
}
.nav button.active {
  background: #2563eb;
  border-color: #2563eb;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 16px;
}
.card {
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.card h2 { margin-top: 0; font-size: 16px; }
label { display: block; margin: 6px 0 2px; font-size: 13px; color: #cbd5e1; }
input, select, textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #1f2937;
  background: #0b1222;
  color: #e2e8f0;
  font-size: 14px;
}
button {
  margin-top: 8px;
  padding: 10px 12px;
  border: none;
  border-radius: 8px;
  background: #2563eb;
  color: #fff;
  cursor: pointer;
  font-weight: 600;
}
button.secondary { background: #0ea5e9; }
button:disabled { background: #334155; cursor: not-allowed; }
.list { margin-top: 8px; font-size: 13px; color: #cbd5e1; max-height: 200px; overflow-y: auto; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 6px; background: #1e3a8a; margin-left: 6px; font-size: 11px; }
.status { padding: 12px 16px; background: #0b1222; border-radius: 10px; border: 1px solid #1f2937; margin: 16px 24px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.small { font-size: 12px; color: #94a3b8; }