:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --fg: #171a1f;
  --muted: #656b76;
  --panel: #ffffff;
  --line: #d9dde4;
  --accent: #1d4ed8;
  --accent-fg: #ffffff;
  --danger: #b42318;
  --ok: #067647;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 8px 24px rgba(16, 24, 40, 0.06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111418;
    --fg: #eef1f5;
    --muted: #a1a8b3;
    --panel: #1a1f26;
    --line: #2c333d;
    --accent: #6d8cff;
    --accent-fg: #0b1020;
    --danger: #ff8a80;
    --ok: #6ce9a6;
    --shadow: none;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
h1 { font-size: 1.35rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.topbar p { margin: 0.15rem 0 0; }
.actions { display: flex; gap: 0.5rem; }
main { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 1rem;
  margin-bottom: 1rem;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
tbody tr:last-child td { border-bottom: 0; }
button {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-fg);
  padding: 0.5rem 0.8rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
button:hover { filter: brightness(1.05); }
button:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
button.secondary { background: transparent; color: var(--fg); border-color: var(--line); }
button.danger { background: transparent; color: var(--danger); border-color: currentColor; }
button:disabled { opacity: 0.55; cursor: not-allowed; }
.notice {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
}
.notice.error { color: var(--danger); }
.notice.ok { color: var(--ok); }
.secret-row { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
code {
  font: 1rem/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  overflow-wrap: anywhere;
}
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  width: min(380px, calc(100vw - 2rem));
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 1.5rem;
}
.login-card h1 { margin-bottom: 0.15rem; }
.login-card form { display: grid; gap: 0.4rem; margin-top: 1.25rem; }
label { font-weight: 600; font-size: 0.9rem; }
input {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
}
form button { margin-top: 0.6rem; }
.error { color: var(--danger); font-weight: 600; }
td.empty { text-align: center; padding: 2rem; }
@media (max-width: 640px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  main { padding: 1rem; }
}