:root {
  --bg: #0f1115;
  --panel: #171a21;
  --line: #262b35;
  --text: #e6e8ec;
  --muted: #9aa3b2;
  --accent: #4c8dff;
  --ok: #35c07a;
  --bad: #e5544b;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9; --panel: #ffffff; --line: #e2e5ea;
    --text: #16191f; --muted: #5c6472; --accent: #1f5fd0;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 12px 24px; background: var(--panel);
  border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.brand { display: flex; flex-direction: column; color: var(--text); }
.brand small { color: var(--muted); font-size: 12px; }
.mainnav { flex: 1; }
.mainnav ul { list-style: none; display: flex; gap: 18px; margin: 0; padding: 0; flex-wrap: wrap; }
.mainnav ul ul { display: none; }
.mainnav a.active { font-weight: 600; text-decoration: underline; }
.session { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; }
main { max-width: 1080px; margin: 0 auto; padding: 28px 24px 60px; }
h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 32px 0 12px; }
.lede { color: var(--muted); margin: 0 0 24px; }
.panel {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 20px; margin-bottom: 20px;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
td.empty { color: var(--muted); text-align: center; padding: 28px 12px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok { background: rgba(53,192,122,.15); color: var(--ok); }
.badge.bad { background: rgba(229,84,75,.15); color: var(--bad); }
.badge.muted { background: rgba(154,163,178,.15); color: var(--muted); }
form.card { max-width: 380px; }
label { display: block; margin: 14px 0 6px; font-size: 13px; color: var(--muted); }
input[type=email], input[type=password], input[type=text] {
  width: 100%; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--text);
}
button {
  margin-top: 18px; padding: 10px 18px; border-radius: 8px; border: 0;
  background: var(--accent); color: #fff; font-weight: 600; cursor: pointer;
}
button.link { background: none; color: var(--accent); padding: 0; margin: 0; font-weight: 400; }
form.inline { display: inline; }
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert.error { background: rgba(229,84,75,.12); color: var(--bad); }
.foot {
  max-width: 1080px; margin: 0 auto; padding: 20px 24px 40px;
  color: var(--muted); font-size: 13px; display: flex; gap: 16px; justify-content: space-between;
}
code { background: rgba(127,127,127,.14); padding: 1px 6px; border-radius: 4px; font-size: 13px; }
.note { color: var(--muted); font-size: 13px; }