:root {
  --bg: #050306;
  --fg: #e0dbe5;
  --board-bg: #18131e;
  --comment-bg: #2c2334;
  --border: #473a52;
  --phosphor: #00ff9d;
  --danger: #ff3366;
  --warning: #ffcc00;
  --muted: #666666;
  --input-bg: #0a0a0a;
  --on-accent: #000;
  --button-bg: #0a0a0a;
  --button-border: var(--phosphor);
  --font-primary: "Courier New", Courier, monospace;
  --glow: 0 0 8px var(--phosphor);
  --shadow-sm: 0 0 8px rgba(0, 255, 157, 0.1);
  --board-inset-glow: inset 0 0 80px rgba(0, 255, 157, 0.15);
  --banner-bg: #0a0a0a;
  --banner-mid: #161616;
  --banner-deep: #050505;
  --banner-frame: #7dffc8;
  --banner-scanline: rgba(0, 255, 157, 0.035);
  --banner-bar-height: 5px;
  --logo-bg: #0a0a0a;
  --logo-fill: #00ff9d;
  --logo-stroke: #00cc77;
  --logo-sub-fill: #111111;
  --logo-sub-stroke: #00cc77;
  --space-lg: 20px;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-primary);
  line-height: 1.4;
  padding: 20px;
}
a { color: var(--phosphor); }
h1, h2, h3 { color: var(--phosphor); text-shadow: var(--glow); margin: 0 0 8px; }
.board {
  max-width: 1100px;
  margin: 24px auto 48px;
  background: var(--board-bg);
  border: 12px solid var(--border);
  padding: 24px 28px 36px;
  box-shadow: var(--board-inset-glow);
}

.site-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 20 / 9;
  margin: 0 0 var(--space-lg);
  background: radial-gradient(ellipse 80% 55% at 50% 62%, var(--banner-mid) 0%, var(--banner-bg) 58%, var(--banner-deep) 100%);
  border: 3px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  text-decoration: none;
  position: relative;
  box-shadow: var(--shadow-sm);
}
.site-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, transparent 0 2px, var(--banner-scanline) 2px 3px);
  z-index: 1;
}
.site-banner::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--banner-bar-height);
  background: var(--phosphor);
  box-shadow: 0 0 12px var(--phosphor);
  z-index: 3;
}
.site-banner-mark {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 72%;
  width: 68%;
  max-width: 90%;
  background: var(--banner-bg);
  border: 2px solid var(--banner-frame);
  box-shadow: 0 0 28px var(--phosphor);
}
.site-banner-mark svg {
  display: block;
  height: 100%;
  width: auto;
  max-width: 100%;
}
.site-banner-mark .logo-bg { fill: var(--logo-bg); }
.site-banner-mark .logo-word-fill { fill: var(--logo-fill); }
.site-banner-mark .logo-word-stroke { stroke: var(--logo-stroke); }
.site-banner-mark .logo-tld-fill { fill: var(--logo-sub-fill); }
.site-banner-mark .logo-tld-stroke { stroke: var(--logo-sub-stroke); }
.site-banner:hover { box-shadow: var(--glow); }
.site-banner:hover .site-banner-mark { box-shadow: 0 0 36px var(--phosphor); }
.top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
}
.modes { display: flex; gap: 0; }
.mode {
  background: var(--button-bg);
  color: var(--phosphor);
  border: 2px solid var(--button-border, var(--phosphor));
  padding: 8px 16px;
  font-family: inherit;
  cursor: pointer;
}
.mode + .mode { border-left: 0; }
.mode.is-on { background: var(--phosphor); color: var(--on-accent); }
.overall {
  font-size: 1.4em;
  letter-spacing: 2px;
  margin: 8px 0;
}
.overall.ok { color: var(--phosphor); }
.overall.bad { color: var(--danger); }
.overall.warn { color: var(--warning); }
.stamp { color: var(--muted); font-size: 0.85em; margin: 0 0 20px; }
.groups {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.card {
  background: var(--comment-bg);
  border-left: 6px solid var(--muted);
  padding: 12px 14px;
}
.card.ok { border-left-color: var(--phosphor); }
.card.bad { border-left-color: var(--danger); }
.card.warn { border-left-color: var(--warning); }
.card h2 { font-size: 0.95em; letter-spacing: 2px; }
.card .state { font-weight: 700; margin: 4px 0 8px; }
.card.ok .state { color: var(--phosphor); }
.card.bad .state { color: var(--danger); }
.card.warn .state { color: var(--warning); }
.card ul { margin: 0; padding-left: 18px; font-size: 0.85em; color: var(--fg); }
.card li.bad { color: var(--danger); }
.ops { margin-top: 28px; }
.ops h2 { margin-top: 22px; font-size: 1em; letter-spacing: 2px; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85em;
  margin: 8px 0 16px;
}
th, td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 700; }
.pill {
  display: inline-block;
  min-width: 3.2em;
  text-align: center;
  padding: 1px 6px;
  border: 1px solid currentColor;
}
.pill.ok { color: var(--phosphor); }
.pill.bad { color: var(--danger); }
.login {
  border: 4px solid var(--border);
  background: var(--board-bg);
  color: var(--fg);
  padding: 20px 24px;
  font-family: inherit;
  max-width: 28em;
}
.login::backdrop { background: rgba(0, 0, 0, 0.72); }
.login label { display: block; margin: 10px 0; }
.login input {
  display: block;
  width: 100%;
  margin-top: 4px;
  background: var(--input-bg);
  color: var(--fg);
  border: 2px solid var(--border);
  padding: 8px;
  font-family: inherit;
}
.login-actions { display: flex; gap: 10px; margin-top: 14px; }
.btn {
  background: var(--button-bg);
  color: var(--phosphor);
  border: 3px solid var(--button-border, var(--phosphor));
  padding: 8px 18px;
  font-family: inherit;
  cursor: pointer;
}
.btn-ghost { border-color: var(--border); color: var(--fg); }
.login-err { color: var(--danger); }
@media (max-width: 640px) {
  body { padding: 8px; }
  .board { padding: 16px; border-width: 8px; }
  .top { flex-direction: column; }
}