:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --ink: #e8eef5;
  --muted: #9aa8b7;
  --accent: #3d9bfd;
  --ok: #3ecf8e;
  --warn: #f0b429;
  --err: #f07178;
  --line: #2a3542;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1b2a3d 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #1a2f28 0%, transparent 50%),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
}

.top {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: end;
  padding: 1.25rem 2rem 1rem;
  border-bottom: 1px solid var(--line);
}
.brand {
  margin: 0;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--accent);
}
h1, h2 { margin: 0.2rem 0 0; font-weight: 600; }
h1 { font-size: 1.45rem; }
h2 { font-size: 1.05rem; }

.nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  padding: 0.65rem 2rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.45rem 0.8rem;
  border: 1px solid transparent;
  font-size: 0.92rem;
}
.nav a:hover { color: var(--ink); border-color: var(--line); }
.nav a.active {
  color: var(--ink);
  border-color: var(--line);
  background: var(--panel);
}

.stats {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.stats .stat,
.stats span {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 0.4rem 0.65rem;
  font-size: 0.82rem;
  color: var(--ink);
  text-decoration: none;
}
a.stat:hover { border-color: var(--accent); color: var(--accent); }
.stats .stat.warn { color: var(--warn); }

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
  position: sticky;
  top: 3.1rem;
  z-index: 5;
  padding: 0.65rem 0.85rem;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.toolbar h2 { margin: 0; }
.count-pill {
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
}

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 1rem 2rem 2rem;
}
.panel {
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--line);
  padding: 1rem;
}
.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}
.hint {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}
.muted {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.2rem;
  word-break: break-word;
}
.empty {
  color: var(--muted);
  padding: 1.25rem 0;
}

form {
  display: grid;
  gap: 0.65rem;
  max-width: 420px;
}
label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: #b7c4d2;
}
input, select, button {
  font: inherit;
  border: 1px solid var(--line);
  background: #121820;
  color: var(--ink);
  padding: 0.55rem 0.65rem;
}
button {
  cursor: pointer;
  background: var(--accent);
  color: #041018;
  border: none;
  font-weight: 600;
  transition: filter 0.15s ease, opacity 0.15s ease, transform 0.1s ease;
}
button:hover:not(:disabled) { filter: brightness(1.05); }
button:active:not(:disabled) { transform: translateY(1px); }
button:disabled,
button.is-busy {
  opacity: 0.72;
  cursor: wait;
}
button.is-busy::before {
  content: "";
  display: inline-block;
  width: 0.7em;
  height: 0.7em;
  margin-right: 0.45em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  vertical-align: -0.05em;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.toast-host {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 50;
  display: grid;
  gap: 0.5rem;
  max-width: min(360px, calc(100vw - 2rem));
}
.toast {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0.7rem 0.9rem;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.ok { border-color: color-mix(in srgb, var(--ok) 55%, var(--line)); }
.toast.err { border-color: color-mix(in srgb, var(--err) 55%, var(--line)); color: #ffd4d6; }
.toast.warn { border-color: color-mix(in srgb, var(--warn) 55%, var(--line)); }

.table-wrap { overflow: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  text-align: left;
  padding: 0.55rem 0.45rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th { color: #9aa8b7; font-weight: 500; }
.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--line);
  font-size: 0.75rem;
}
.badge.ok { color: var(--ok); }
.badge.warn { color: var(--warn); }
.badge.err { color: var(--err); }
.actions { display: flex; gap: 0.35rem; flex-wrap: wrap; align-items: center; }
.actions button {
  padding: 0.3rem 0.5rem;
  font-size: 0.8rem;
  background: #243041;
  color: var(--ink);
}
.actions .action-link {
  font-size: 0.85rem;
  padding: 0.3rem 0.45rem;
  border: 1px solid var(--line);
  text-decoration: none;
}
.actions .action-link:hover { border-color: var(--accent); }
.filters {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.filters .inline {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.err-cell {
  color: var(--err);
  max-width: 280px;
  word-break: break-word;
  font-size: 0.8rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 1rem;
}
a { color: var(--accent); }

form.form-wide { max-width: 920px; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1.25rem;
}
.probe {
  border: 1px solid var(--line);
  padding: 0.75rem;
  margin-top: 0.6rem;
}
.probe-filters {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.55rem;
  margin-top: 0.55rem;
}
.position { border-bottom: 1px solid var(--line); padding: 0.35rem 0 0.7rem; }
.position-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
}
button.position-toggle {
  flex: 1;
  text-align: left;
  background: transparent;
  color: var(--ink);
  border: none;
  font-weight: 500;
  padding: 0.45rem 0.2rem;
}
button.position-toggle strong { display: block; }
button.quiet {
  background: #243041;
  color: var(--ink);
}
.position-body { margin: 0.2rem 0 0.4rem; }

.help .panel + .panel { margin-top: 0; }
.help .steps {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
  color: var(--ink);
  display: grid;
  gap: 0.65rem;
}
.help .steps li { line-height: 1.45; color: #c9d4e0; }
.help .steps strong { color: var(--ink); }
.help-list { margin: 0.5rem 0 0; }
.help-list dt { margin-top: 0.7rem; font-weight: 600; }
.help-list dt:first-child { margin-top: 0; }
.help-list dd { margin: 0.2rem 0 0; color: var(--muted); line-height: 1.4; }
.help-p { margin: 0.55rem 0 0; color: #c9d4e0; line-height: 1.5; max-width: 70ch; }
.help-p code {
  font-size: 0.85em;
  background: #121820;
  border: 1px solid var(--line);
  padding: 0.05rem 0.3rem;
}
.faq { margin-top: 0.6rem; display: grid; gap: 0.45rem; }
.faq details {
  border: 1px solid var(--line);
  background: #121820;
  padding: 0.55rem 0.75rem;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}
.faq details[open] summary { color: var(--accent); }
.faq details p {
  margin: 0.55rem 0 0.15rem;
  color: #c9d4e0;
  line-height: 1.45;
}

@media (max-width: 960px) {
  .layout { padding: 1rem; }
  .top { flex-direction: column; align-items: start; padding: 1rem; }
  .nav { padding: 0.65rem 1rem; }
  .grid-2, .form-grid { grid-template-columns: 1fr; }
}