:root {
  --bg: #0c1219;
  --bg-elev: #121a24;
  --side: #0e1620;
  --card: #162131;
  --ink: #e7eef7;
  --muted: #8fa0b5;
  --line: #243447;
  --accent: #2f9e7b;
  --accent-soft: color-mix(in srgb, var(--accent) 18%, transparent);
  --accent-ink: #04150f;
  --warn: #e0b35a;
  --danger: #d45b5b;
  --font: "DM Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --side-w: 240px;
  --radius: 14px;
}

* { box-sizing: border-box; }
/* Author display:* rules otherwise override the UA [hidden] { display: none } */
[hidden] { display: none !important; }
html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(900px 420px at 0% 0%, #173049 0%, transparent 55%),
    radial-gradient(700px 380px at 100% 0%, #122a24 0%, transparent 50%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font);
}
a { color: #8fd0b5; }
code, pre { font-family: var(--mono); }
button, input, select { font: inherit; }

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(12, 18, 25, 0.88);
  backdrop-filter: blur(10px);
}
.brand { display: flex; gap: 0.75rem; align-items: center; }
.brand img { border-radius: 8px; }
.brand strong { display: block; letter-spacing: -0.02em; }
.brand span { display: block; color: var(--muted); font-size: 0.78rem; }
.top-actions { display: flex; gap: 0.5rem; align-items: center; }
.user-chip {
  color: var(--muted);
  font-size: 0.85rem;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.login-shell {
  min-height: calc(100vh - 64px);
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}
.login-card { width: min(440px, 100%); }
.eyebrow {
  margin: 0 0 0.4rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.shell {
  display: grid;
  grid-template-columns: var(--side-w) 1fr;
  min-height: calc(100vh - 64px);
}

.side {
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--side) 92%, transparent);
  padding: 1.25rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
}
.side-label {
  margin: 0 0.55rem 0.15rem;
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.nav { display: grid; gap: 0.25rem; }
.nav-item {
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  border-radius: 10px;
  padding: 0.65rem 0.8rem;
  cursor: pointer;
}
.nav-item:hover { background: rgba(255, 255, 255, 0.04); }
.nav-item.active {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  color: #b8ecd8;
  font-weight: 600;
}
.side-foot { margin-top: auto; padding: 0.75rem 0.55rem 0.25rem; }
.side-code {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.68rem;
  color: var(--muted);
  word-break: break-all;
}

.main { padding: 1.5rem 1.75rem 2.5rem; min-width: 0; }
.view-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.15rem;
  flex-wrap: wrap;
}
.view-head h1 {
  margin: 0 0 0.3rem;
  font-size: 1.55rem;
  letter-spacing: -0.03em;
  font-weight: 700;
}
.lede { margin: 0; color: var(--muted); max-width: 52ch; line-height: 1.45; }
.view-tools { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.view-tools input[type="search"],
.view-tools select {
  min-width: 180px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink);
  padding: 0.55rem 0.75rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
}
.card.pad { padding: 0.4rem 0.85rem 0.85rem; }
.card.narrow { max-width: 480px; }
.card h2 { margin: 0 0 0.85rem; font-size: 1rem; font-weight: 600; }
p { color: var(--muted); line-height: 1.5; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.95rem 1rem;
}
.stat-label { display: block; color: var(--muted); font-size: 0.78rem; margin-bottom: 0.35rem; }
.stat strong { font-size: 1.45rem; letter-spacing: -0.03em; display: block; }
.stat-sub { display: block; margin-top: 0.35rem; color: var(--muted); font-size: 0.78rem; line-height: 1.35; }
.stat strong.ok { color: #8fd0b5; }
.stat strong.warn { color: var(--warn); }
.stat strong.bad { color: var(--danger); }

.kv { margin: 0; display: grid; gap: 0.75rem; }
.kv > div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--line);
}
.kv > div:last-child { border-bottom: 0; padding-bottom: 0; }
.kv dt { margin: 0; color: var(--muted); font-size: 0.82rem; }
.kv dd { margin: 0; word-break: break-word; }
.kv code { font-size: 0.82rem; }
.status-readable { display: grid; gap: 1rem; }
.status-links { margin-top: 0; }
.status-health { margin-bottom: 0; }
#status-json-btn[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  color: #b8ecd8;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.action-list { display: grid; gap: 0.55rem; }
.tile {
  text-align: left;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  cursor: pointer;
  display: grid;
  gap: 0.2rem;
}
.tile:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.tile span { color: var(--muted); font-size: 0.85rem; }

.steps {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  display: grid;
  gap: 0.45rem;
  line-height: 1.45;
}
.steps code { font-size: 0.85em; }

label { display: grid; gap: 0.35rem; color: var(--muted); font-size: 0.9rem; margin-bottom: 0.75rem; }
input[type="email"], input[type="search"], select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0f1822;
  color: var(--ink);
  padding: 0.7rem 0.8rem;
}

button.primary, button.ghost, a.ghost, button.danger {
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 0.55rem 1rem;
  cursor: pointer;
}
.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
  font-weight: 600;
}
.ghost {
  background: transparent;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.danger {
  background: transparent;
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 45%, var(--line));
}
.links { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.9rem; }
.hint { min-height: 1.2em; font-size: 0.9rem; color: var(--muted); margin: 0.6rem 0 0; }

.note-strip, .route-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--muted);
  font-size: 0.78rem;
  padding: 0.35rem 0.7rem;
}
.chip strong { color: var(--ink); font-weight: 600; }

.domain-list { display: grid; gap: 0.65rem; }
.domain-card {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) auto;
  gap: 0.85rem;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.95rem 1.1rem;
}
.domain-card h3 { margin: 0 0 0.2rem; font-size: 1rem; font-weight: 600; }
.domain-card .host { margin: 0; font-size: 0.82rem; color: #8fd0b5; word-break: break-all; }
.domain-card .desc { margin: 0; color: var(--muted); font-size: 0.88rem; line-height: 1.4; }
.domain-meta { display: flex; flex-wrap: wrap; gap: 0.35rem; justify-content: flex-end; }
.domain-open {
  justify-self: end;
  align-self: center;
}

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 0.7rem 0.45rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
th { color: var(--muted); font-size: 0.78rem; font-weight: 500; }
.actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  font-size: 0.72rem;
  border: 1px solid var(--line);
  margin-right: 0.2rem;
  white-space: nowrap;
}
.badge-ok { color: #8fd0b5; border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); }
.badge-warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, var(--line)); }
.badge-muted { color: var(--muted); }
.badge-gate { color: #9eb7d4; }
pre {
  margin: 0;
  white-space: pre-wrap;
  color: var(--ink);
  font-size: 0.85rem;
  background: #0f1822;
  border-radius: 10px;
  padding: 0.8rem;
  border: 1px solid var(--line);
}

@media (max-width: 960px) {
  .shell { grid-template-columns: 1fr; }
  .side {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .side-foot { display: none; }
  .stat-row, .grid-2 { grid-template-columns: 1fr 1fr; }
  .domain-card { grid-template-columns: 1fr; }
  .domain-meta, .domain-open { justify-content: flex-start; justify-self: start; }
}

@media (max-width: 640px) {
  .stat-row, .grid-2, .nav { grid-template-columns: 1fr; }
  .main { padding: 1.1rem; }
}