:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --border: #e5e7eb;
  --error: #b91c1c;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: #111827;
  color: #fff;
}
.topbar a { color: #dbeafe; text-decoration: none; margin-right: 1rem; }
.brand .muted { margin-left: 0.75rem; color: #9ca3af; font-size: 0.9rem; }
.container { max-width: 1200px; margin: 0 auto; padding: 1.25rem; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}
.two-col { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; }
input, select, button { font: inherit; }
input, select {
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.btn {
  display: inline-block;
  padding: 0.45rem 0.85rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-ghost { background: transparent; color: #fff; border-color: #374151; }
.actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.75rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { padding: 0.5rem; border-bottom: 1px solid var(--border); text-align: left; }
.num { text-align: right; white-space: nowrap; }
.muted { color: var(--muted); }
.alert { padding: 0.75rem; border-radius: 6px; background: #eff6ff; margin-bottom: 1rem; }
.alert-error { background: #fef2f2; color: var(--error); }
.alert-ok { background: #ecfdf5; color: #047857; }
.gdt-status-row { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; flex-wrap: wrap; }
.status-pill {
  display: inline-block;
  margin-top: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
}
.status-ok { background: #d1fae5; color: #065f46; }
.status-bad { background: #fee2e2; color: #991b1b; }
.btn-lg { padding: 0.7rem 1.2rem; font-size: 1.05rem; }
.gdt-login-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
details.card summary { cursor: pointer; font-weight: 600; }
.table-wrap { overflow-x: auto; }
.pagination { display: flex; gap: 1rem; align-items: center; }
.compact-list { margin: 0; padding-left: 1.2rem; }
.login-page { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  width: min(420px, 92vw);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
}
.captcha-box { overflow: auto; }
.captcha-svg svg { max-width: 100%; height: auto; }
form.inline { margin: 0; margin-left: auto; }