:root {
  --blue: #1677ff;
  --border: #e8e8e8;
  --bg: #f5f6f8;
}
* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, sans-serif;
  margin: 0;
  background: var(--bg);
  color: #1f2329;
  line-height: 1.5;
}
.shell { max-width: 720px; margin: 0 auto; padding: 16px; }
.top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.brand { font-weight: 700; color: var(--blue); text-decoration: none; }
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.card h1 { margin: 0 0 8px; font-size: 1.25rem; }
.meta { color: #646a73; font-size: 0.9rem; margin: 0 0 16px; }
label { display: block; margin-top: 12px; font-size: 0.85rem; color: #646a73; }
input, button, select, textarea {
  width: 100%;
  padding: 10px 12px;
  margin-top: 6px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}
button {
  margin-top: 16px;
  background: var(--blue);
  color: #fff;
  border: none;
  cursor: pointer;
  font-weight: 600;
}
button.secondary { background: #f0f0f0; color: #333; }
button:disabled { opacity: 0.55; }
.msg { margin-top: 12px; padding: 10px; border-radius: 8px; font-size: 0.9rem; }
.msg.ok { background: #f6ffed; color: #389e0d; }
.msg.err { background: #fff2f0; color: #cf1322; }
.msg.info { background: #e6f4ff; color: #0958d9; }
.foot { margin-top: 16px; font-size: 0.9rem; color: #646a73; }
a { color: var(--blue); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.75rem; background: #f0f0f0; }
.badge.ok { background: #f6ffed; color: #389e0d; }
.badge.warn { background: #fffbe6; color: #d48806; }
.nav-links { display: flex; gap: 12px; font-size: 0.9rem; flex-wrap: wrap; }
.table-wrap { overflow-x: auto; margin-top: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { border-bottom: 1px solid var(--border); padding: 8px; text-align: left; vertical-align: top; }
th { color: #646a73; font-weight: 600; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.hidden { display: none !important; }