:root {
  --bg: #f7f7f8;
  --panel: #ffffff;
  --text: #1a1a1e;
  --muted: #6b6b74;
  --border: #e2e2e6;
  --track: #cfd2d8;
  --ok: #1a7f37;
  --ok-bg: #dafbe1;
  --warning: #9a6700;
  --warning-bg: #fff8c5;
  --critical: #cf222e;
  --critical-bg: #ffebe9;
  --accent: #2f6feb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --panel: #161b22;
    --text: #e6edf3;
    --muted: #8b949e;
    --border: #30363d;
    --track: #414954;
    --ok: #3fb950;
    --ok-bg: #0f2b17;
    --warning: #d29922;
    --warning-bg: #341f00;
    --critical: #f85149;
    --critical-bg: #3c1618;
    --accent: #58a6ff;
  }
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  margin: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.brand { font-weight: 700; letter-spacing: -0.02em; }

.logout-form button, button {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.8rem;
  cursor: pointer;
  font-size: 0.85rem;
}
button:hover { border-color: var(--accent); }

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 1.5rem;
}

section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

h1 { font-size: 1.4rem; }
h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 0.75rem 0;
}

table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { text-align: left; padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; }
tr:last-child td { border-bottom: none; }

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.82rem; }
.muted { color: var(--muted); }

.badge {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-ok { color: var(--ok); background: var(--ok-bg); }
.badge-warning { color: var(--warning); background: var(--warning-bg); }
.badge-critical { color: var(--critical); background: var(--critical-bg); }

.login-wrap {
  display: flex;
  justify-content: center;
  padding-top: 4rem;
}
.login-form {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.login-form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.login-form input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.6rem;
  color: var(--text);
  font-size: 0.95rem;
}
.login-form button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.6rem;
  font-weight: 600;
  margin-top: 0.4rem;
}
.flash-error {
  color: var(--critical);
  background: var(--critical-bg);
  border-radius: 6px;
  padding: 0.5rem 0.7rem;
  font-size: 0.85rem;
  margin: 0;
}

.flash-banner {
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
}
.flash-banner.flash-ok { color: var(--ok); background: var(--ok-bg); }
.flash-banner.flash-error { color: var(--critical); background: var(--critical-bg); }

.bar-row { display: flex; align-items: center; gap: 0.6rem; }
.bar-track {
  flex: 1;
  max-width: 260px;
  height: 14px;
  border-radius: 999px;
  background: var(--track);
  overflow: hidden;
}
.bar-fill { height: 100%; }
.bar-fill.bar-ok { background: var(--ok); }
.bar-fill.bar-warning { background: var(--warning); }
.bar-fill.bar-critical { background: var(--critical); }
.bar-label { font-size: 0.85rem; white-space: nowrap; }

.actions-row { display: flex; gap: 0.6rem; margin-bottom: 1rem; }
.actions-row button {
  background: var(--accent);
  color: #fff;
  border: none;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
}

details.collapsible summary {
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--muted);
  padding: 0.3rem 0;
}
details.collapsible[open] summary { margin-bottom: 0.5rem; }