:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #19212c;
  --muted: #667085;
  --line: #d9e0ea;
  --primary: #136f63;
  --primary-dark: #0d4f47;
  --danger: #b42318;
  --ok-bg: #dcfae6;
  --ok-text: #067647;
  --bad-bg: #fee4e2;
  --bad-text: #b42318;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
}
a { color: inherit; text-decoration: none; }
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 28px;
  background: #17202c;
  color: #fff;
}
.brand { font-size: 18px; font-weight: 700; }
.nav { display: flex; flex-wrap: wrap; gap: 14px; color: #d9e0ea; }
.nav a:hover { color: #fff; }
.logout { margin-left: auto; }
.page { max-width: 1180px; margin: 0 auto; padding: 28px; }
.page-head { margin-bottom: 22px; }
.page-head h1 { margin: 0 0 6px; font-size: 28px; }
.page-head p { margin: 0; color: var(--muted); }
.panel, .stats-grid article, .notice, .login-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}
.panel { padding: 20px; overflow: auto; }
.panel h2 { margin: 0 0 16px; font-size: 18px; }
.panel-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.panel-title h2 { margin: 0; }
.panel-title a { color: var(--primary); font-weight: 600; }
.stats-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin-bottom: 22px; }
.stats-grid article { padding: 18px; }
.stats-grid span { display: block; color: var(--muted); margin-bottom: 8px; }
.stats-grid strong { font-size: 28px; }
.two-column { display: grid; grid-template-columns: minmax(280px, 360px) minmax(0, 1fr); gap: 22px; align-items: start; }
.form-stack { display: grid; gap: 14px; }
label { display: grid; gap: 7px; color: #344054; font-weight: 600; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
  font: inherit;
  color: var(--text);
  background: #fff;
}
textarea { resize: vertical; }
button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  padding: 9px 13px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button:hover { border-color: #98a2b3; }
button:disabled { cursor: not-allowed; opacity: 0.6; }
button.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
button.primary:hover { background: var(--primary-dark); }
button.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
button.danger:hover { border-color: #7a271a; }
td form { display: inline-block; margin: 0 6px 0 0; }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--line); padding: 11px 9px; text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 13px; font-weight: 700; }
td code, .notice code { background: #eef2f6; padding: 3px 6px; border-radius: 5px; }
.badge { display: inline-flex; align-items: center; min-height: 24px; border-radius: 999px; padding: 2px 9px; font-size: 12px; font-weight: 700; }
.badge.ok { background: var(--ok-bg); color: var(--ok-text); }
.badge.bad { background: var(--bad-bg); color: var(--bad-text); }
.badge.muted { background: #eef2f6; color: var(--muted); }
.empty { color: var(--muted); text-align: center; }
.notice { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 14px 16px; margin-bottom: 22px; }
.notice span { color: var(--muted); }
.alert { border: 1px solid var(--bad-bg); background: #fff4f3; color: var(--danger); border-radius: 6px; padding: 10px 12px; }
.login-body { display: grid; place-items: center; padding: 24px; }
.login-panel { width: min(420px, 100%); padding: 28px; }
.login-panel h1 { margin: 0 0 22px; }
pre {
  min-height: 320px;
  overflow: auto;
  margin: 0;
  padding: 14px;
  border-radius: 6px;
  background: #101828;
  color: #e4e7ec;
  white-space: pre-wrap;
}
.error-cell { max-width: 280px; color: var(--danger); }

@media (max-width: 820px) {
  .topbar { align-items: flex-start; flex-direction: column; gap: 12px; }
  .logout { margin-left: 0; }
  .page { padding: 20px; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two-column { grid-template-columns: 1fr; }
}