:root {
  --bg: #faf9f6;
  --surface: #ffffff;
  --surface-2: #f1efe8;
  --border: #e5e2d9;
  --ink: #14161a;
  --ink-dim: #5b5e66;
  --ink-faint: #9297a1;
  --accent: #0b6e4f;
  --accent-strong: #085c41;
  --accent-tint: #e6f3ec;
  --bad: #b3402b;
  --bad-tint: #fbeae6;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Retheme Pico's form/button defaults to our brand accent instead of its
     stock blue. !important is deliberate and narrowly scoped: Pico's own
     light-theme rule matches via `:root:not([data-theme=dark])`, which
     out-specifies a plain `:root` override regardless of stylesheet order. */
  --pico-primary: var(--accent) !important;
  --pico-primary-background: var(--accent) !important;
  --pico-primary-border: var(--accent) !important;
  --pico-primary-hover: var(--accent-strong) !important;
  --pico-primary-hover-background: var(--accent-strong) !important;
  --pico-primary-hover-border: var(--accent-strong) !important;
  --pico-primary-underline: var(--accent) !important;
  --pico-primary-hover-underline: var(--accent-strong) !important;
  --pico-primary-inverse: #fff !important;
  --pico-font-family: var(--sans);
  --pico-border-radius: 6px;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 3.75rem;
}

nav .links { display: flex; align-items: center; gap: 1.75rem; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink);
  text-decoration: none;
  margin-right: 0.5rem;
}

.brand .mark {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: conic-gradient(
    var(--accent) 0deg 120deg,
    var(--ink-faint) 120deg 240deg,
    var(--accent-strong) 240deg 360deg
  );
  flex-shrink: 0;
}

nav a.nav-link {
  color: var(--ink-dim);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  transition: color 0.15s ease;
}
nav a.nav-link:hover { color: var(--accent); }

nav form { display: inline; }
nav button.logout {
  background: none;
  border: 1px solid var(--border);
  color: var(--ink-dim);
  font-family: var(--sans);
  text-transform: uppercase;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.8rem;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s ease;
}
nav button.logout:hover { color: var(--bad); border-color: var(--bad); background: var(--bad-tint); }

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 2.25rem 1.75rem 3rem;
}

h2 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 1.5rem;
  padding-left: 0.7rem;
  border-left: 3px solid var(--accent);
}

h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-dim);
  margin: 2.25rem 0 1rem;
}

.table-scroll {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-variant-numeric: tabular-nums;
  background: var(--surface);
}
th {
  text-align: left;
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--ink-faint);
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
td {
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.88rem;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background 0.1s ease; }
tbody tr:hover { background: var(--accent-tint); }

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1.15rem;
  min-width: 130px;
  box-shadow: 0 1px 2px rgba(20, 22, 26, 0.04);
}
.stat .label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.66rem;
  font-weight: 600;
  color: var(--ink-faint);
  margin-bottom: 0.4rem;
}
.stat .value {
  font-family: var(--mono);
  font-size: 1.4rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.ok { color: var(--accent); }
.warn { color: var(--bad); }
.muted { color: var(--ink-dim); }

#log {
  white-space: pre-wrap;
  word-break: break-all;
  height: 75vh;
  overflow-y: auto;
  background: var(--surface);
  color: var(--ink-dim);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.55;
}

.dashboard-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.dashboard-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.15rem 1.25rem;
  flex: 1 1 320px;
  box-shadow: 0 1px 2px rgba(20, 22, 26, 0.04);
}
.dashboard-card h3 { margin: 0 0 0.4rem; font-size: 1rem; }

@media (max-width: 680px) {
  nav {
    flex-wrap: wrap;
    height: auto;
    padding: 0.85rem 1rem;
    row-gap: 0.6rem;
  }
  nav .links {
    width: 100%;
    gap: 1rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  nav form { margin-left: auto; }
  nav a.nav-link { flex-shrink: 0; }

  main { padding: 1.5rem 1rem 2.5rem; }

  .stat { min-width: 45%; flex: 1 1 45%; }

  h2 { font-size: 1.2rem; }
}