:root {
  --bg: #f6f7f9;
  --card: #fff;
  --border: #e2e5e9;
  --text: #1f2430;
  --muted: #6b7280;
  --primary: #2563eb;
  --green: #16a34a;
  --green-bg: #dcfce7;
  --red: #dc2626;
  --red-bg: #fee2e2;
  --gray: #6b7280;
  --gray-bg: #e5e7eb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 18px; text-decoration: none; color: var(--text); }

.container { max-width: 920px; margin: 32px auto; padding: 0 24px; }

h1 { font-size: 24px; margin: 0 0 20px; }
h2 { font-size: 18px; margin: 32px 0 12px; }
small { color: var(--muted); font-weight: 400; }

a { color: var(--primary); }

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.table th, .table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.table th { background: #fafbfc; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.table tr:last-child td { border-bottom: none; }
.table td a { font-weight: 600; text-decoration: none; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: capitalize;
}
.badge-healthy { color: var(--green); background: var(--green-bg); }
.badge-dangerous { color: var(--red); background: var(--red-bg); }
.badge-unknown { color: var(--gray); background: var(--gray-bg); }

.btn {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-disabled { opacity: .45; pointer-events: none; }

.form { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 24px; max-width: 560px; }
.form label { display: block; margin-bottom: 18px; font-weight: 600; font-size: 14px; }
.form input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 400;
}
.form-actions { display: flex; gap: 10px; }

.error { color: var(--red); background: var(--red-bg); padding: 10px 14px; border-radius: 6px; }
.empty { color: var(--muted); }

.back { display: inline-block; margin-bottom: 12px; text-decoration: none; font-size: 14px; }
.detail-head { display: flex; align-items: center; gap: 12px; }
.detail-head h1 { margin: 0; }

.meta { display: grid; grid-template-columns: 140px 1fr; gap: 6px 16px; margin: 20px 0; }
.meta dt { color: var(--muted); font-size: 14px; }
.meta dd { margin: 0; font-size: 14px; word-break: break-all; }

.inline-form { margin: 8px 0 0; }

.pagination { display: flex; align-items: center; gap: 14px; margin-top: 16px; }
.page-info { color: var(--muted); font-size: 14px; }