:root {
  --font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --bg-color: #0f172a;
  --panel-bg: #1e293b;
  --border-color: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-blue: #3b82f6;
  --accent-amber: #f59e0b;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-main);
  margin: 0;
  padding: 0;
}

nav {
  background-color: #020617;
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

nav .brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent-green);
  text-decoration: none;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--text-main);
}

main {
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

h1, h2, h3, h4 {
  margin-top: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  background-color: var(--panel-bg);
  border-radius: 6px;
  overflow: hidden;
}

th, td {
  border-bottom: 1px solid var(--border-color);
  padding: 10px 14px;
  text-align: left;
}

th {
  background-color: #1e293b;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
}

tr:hover {
  background-color: #334155;
}

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-active, .badge-okay, .badge-pass, .badge-validated {
  background-color: rgba(16, 185, 129, 0.2);
  color: var(--accent-green);
}

.badge-draft, .badge-open {
  background-color: rgba(59, 130, 246, 0.2);
  color: var(--accent-blue);
}

.badge-fail, .badge-quarantined {
  background-color: rgba(239, 68, 68, 0.2);
  color: var(--accent-red);
}

.badge-mislabel, .badge-warn {
  background-color: rgba(245, 158, 11, 0.2);
  color: var(--accent-amber);
}

.btn {
  display: inline-block;
  background-color: var(--accent-blue);
  color: white;
  padding: 8px 16px;
  border-radius: 4px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-weight: 500;
}

.btn-success { background-color: var(--accent-green); }
.btn-danger { background-color: var(--accent-red); }

input, select, textarea {
  background-color: #020617;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 4px;
  font-family: inherit;
}

.messages {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.messages li {
  padding: 10px 16px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.messages .success { background-color: rgba(16, 185, 129, 0.2); color: var(--accent-green); }
.messages .error { background-color: rgba(239, 68, 68, 0.2); color: var(--accent-red); }