* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1a1a1a;
  background: #fafafa;
  margin: 0;
}

nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: #1f2933;
  color: #fff;
}

nav a {
  color: #fff;
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

nav form {
  margin: 0;
}

nav button {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  font: inherit;
  padding: 0;
  text-decoration: underline;
}

nav .spacer {
  flex: 1;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

h1, h2 {
  font-weight: 600;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  margin-bottom: 1.5rem;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid #e5e7eb;
}

th {
  background: #f3f4f6;
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  color: #4b5563;
}

tr:hover td {
  background: #f9fafb;
}

a {
  color: #2563eb;
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
}

select, button, input[type="submit"] {
  font: inherit;
  padding: 0.3rem 0.5rem;
}

.assign-form select[multiple] {
  min-width: 220px;
  vertical-align: top;
}

.filters {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.pagination {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.8rem;
  background: #e5e7eb;
}

.badge.critical, .badge.high { background: #fee2e2; color: #991b1b; }
.badge.medium { background: #fef3c7; color: #92400e; }
.badge.low { background: #dcfce7; color: #166534; }