body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}

a { color: #93c5fd; text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: #111827;
  border-bottom: 1px solid #1f2937;
}

.topbar nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand a {
  color: #f8fafc;
  font-weight: 700;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.panel, .card {
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.narrow {
  max-width: 640px;
  margin-inline: auto;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.card strong {
  display: block;
  font-size: 2rem;
}

.form-grid, .compact-form {
  display: grid;
  gap: 0.75rem;
}

.compact-form {
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
}

.inline-form {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

label {
  display: grid;
  gap: 0.35rem;
}

input, button {
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0b1220;
  color: #f8fafc;
  padding: 0.65rem 0.75rem;
}

.button-link {
  display: inline-block;
  border-radius: 8px;
  border: 1px solid #2563eb;
  background: #2563eb;
  color: #f8fafc;
  padding: 0.65rem 0.75rem;
}

.button-link:hover {
  text-decoration: none;
}

.top-gap {
  margin-top: 1rem;
}

hr {
  border: 0;
  border-top: 1px solid #1f2937;
  margin: 1.25rem 0;
}

code {
  background: #0b1220;
  border: 1px solid #334155;
  border-radius: 6px;
  padding: 0.15rem 0.35rem;
}

button {
  cursor: pointer;
  background: #2563eb;
  border-color: #2563eb;
}

button.danger {
  background: #dc2626;
  border-color: #dc2626;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 0.65rem;
  border-bottom: 1px solid #1f2937;
  vertical-align: top;
}

.error {
  color: #fca5a5;
}

.success {
  color: #86efac;
}