:root {
  color-scheme: dark;

  --ink: #0b0d0c;
  --panel: #121513;
  --panel-2: #171b19;
  --line: #242a27;
  --line-strong: #333b37;
  --text: #e7ebe8;
  --muted: #98a09b;
  --accent: #c8e35a;
  --accent-ink: #101408;

  --ok: #6ee7a8;
  --warn: #e8b64c;
  --down: #f2705b;
  --idle: #7d8783;

  --btn-bg: #c8e35a;
  --btn-fg: #101408;
  --focus: #c8e35a;

  --radius: 6px;
  --radius-sm: 4px;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --ease: 120ms ease-out;
}

[data-theme="light"] {
  color-scheme: light;

  --ink: #f7f6f2;
  --panel: #ffffff;
  --panel-2: #f2f1ec;
  --line: #e2e0d8;
  --line-strong: #cfccc0;
  --text: #171a18;
  --muted: #5d6560;
  --accent: #3f5d00;
  --accent-ink: #f7f6f2;

  --ok: #0f7a4f;
  --warn: #8a5a00;
  --down: #b3261e;
  --idle: #5d6560;

  --btn-bg: #171a18;
  --btn-fg: #f7f6f2;
  --focus: #3f5d00;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

p {
  margin: 0;
}

.mono {
  font-family: var(--mono);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 40;
  padding: 10px 14px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top var(--ease);
}

.skip-link:focus-visible {
  top: 12px;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* Topbar */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 24px 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 1px;
}

.brand-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-env {
  padding: 2px 7px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Buttons */

.btn {
  min-height: 36px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}

.btn:disabled {
  opacity: 0.55;
  cursor: progress;
}

.btn-primary {
  background: var(--btn-bg);
  color: var(--btn-fg);
  border-color: var(--btn-bg);
}

.btn-primary:hover:not(:disabled) {
  filter: brightness(1.06);
}

.btn-quiet {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}

.btn-quiet:hover:not(:disabled) {
  background: var(--panel-2);
  border-color: var(--muted);
}

.btn-danger {
  background: transparent;
  color: var(--down);
  border-color: color-mix(in srgb, var(--down) 55%, transparent);
}

.btn-danger:hover:not(:disabled) {
  background: color-mix(in srgb, var(--down) 12%, transparent);
}

.icon-btn {
  width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  font-size: 15px;
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease);
}

.icon-btn:hover {
  background: var(--panel-2);
  border-color: var(--muted);
}

/* Statement */

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 40px;
}

.statement {
  padding: 44px 0 26px;
  border-bottom: 1px solid var(--line);
}

.statement h1 {
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
  max-width: 24ch;
}

.statement-sub {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
}

.probe-strip {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 34px;
  margin-top: 20px;
  max-width: 560px;
}

.probe-bar {
  flex: 1 1 0;
  min-width: 2px;
  background: var(--accent);
  border-radius: 1px 1px 0 0;
  opacity: 0.85;
}

.probe-bar.is-failed {
  background: var(--down);
  opacity: 0.9;
}

.probe-empty {
  color: var(--muted);
  font-size: 12.5px;
}

/* Panels */

.workbench {
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
  gap: 22px;
  margin-top: 26px;
  align-items: start;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 13px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.panel-note {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.panel-keys {
  margin-top: 22px;
}

/* Node list */

.node-head,
.node {
  display: grid;
  grid-template-columns: 92px minmax(0, 1.7fr) 78px 74px 96px auto;
  gap: 14px;
  align-items: center;
  padding: 12px 18px;
}

.node-head {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--line);
}

.node-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.node {
  border-bottom: 1px solid var(--line);
}

.node:last-child {
  border-bottom: none;
}

.node.is-flash {
  animation: flash 520ms ease-out;
}

@keyframes flash {
  from { background: color-mix(in srgb, var(--accent) 14%, transparent); }
  to { background: transparent; }
}

.node-status {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.dot-ok { background: var(--ok); }
.dot-warn { background: var(--warn); }
.dot-down { background: var(--down); }
.dot-idle { background: var(--idle); }

.node-main {
  min-width: 0;
}

.node-label {
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.node-endpoint {
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.node-metric {
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.node-metric.is-muted {
  color: var(--muted);
}

.metric-label {
  display: none;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.node-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.node-actions .btn {
  min-height: 30px;
  padding: 4px 10px;
  font-size: 12px;
  background: transparent;
  border-color: var(--line-strong);
  color: var(--text);
}

.node-actions .btn:hover:not(:disabled) {
  background: var(--panel-2);
  border-color: var(--muted);
}

.node-actions .btn-danger {
  color: var(--down);
  border-color: color-mix(in srgb, var(--down) 45%, transparent);
}

/* Feed */

.feed {
  margin: 0;
  padding: 0;
  list-style: none;
  max-height: 420px;
  overflow-y: auto;
}

.feed-item {
  display: grid;
  grid-template-columns: 54px 42px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 9px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
}

.feed-item:last-child {
  border-bottom: none;
}

.feed-time {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}

.feed-code {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
}

.code-ok { color: var(--ok); }
.code-warn { color: var(--warn); }
.code-down { color: var(--down); }

.feed-target {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 11.5px;
}

.feed-meta {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* Keys */

.key-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.key-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px 130px auto;
  gap: 14px;
  align-items: center;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
}

.key-item:last-child {
  border-bottom: none;
}

.key-name {
  font-size: 13.5px;
  font-weight: 500;
}

.key-prefix {
  color: var(--muted);
}

.key-meta {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.key-revoked {
  color: var(--down);
  font-size: 12px;
}

.relay-hint {
  padding: 15px 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12.5px;
}

.relay-hint p {
  margin-bottom: 6px;
}

.relay-hint code {
  display: block;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  color: var(--text);
  overflow-x: auto;
  white-space: nowrap;
}

/* States */

.state-block {
  padding: 34px 18px;
  text-align: left;
}

.state-block h3 {
  font-size: 14px;
  margin-bottom: 6px;
}

.state-block p {
  color: var(--muted);
  font-size: 13px;
  max-width: 46ch;
  margin-bottom: 14px;
}

.state-block .mono {
  display: block;
  margin-bottom: 14px;
  color: var(--down);
  word-break: break-word;
}

/* Footer */

.foot {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px 40px;
  color: var(--muted);
  font-size: 12px;
}

/* Dialogs */

.dialog {
  width: min(480px, calc(100vw - 32px));
  padding: 22px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 18px 48px rgb(0 0 0 / 0.35);
}

.dialog::backdrop {
  background: rgb(0 0 0 / 0.55);
}

.dialog h2 {
  font-size: 17px;
  margin-bottom: 6px;
}

.dialog-note {
  color: var(--muted);
  font-size: 12.5px;
  margin-bottom: 16px;
}

.field {
  display: block;
  margin-bottom: 14px;
}

.field > span {
  display: block;
  margin-bottom: 5px;
  font-size: 12px;
  color: var(--muted);
}

.field input {
  width: 100%;
  min-height: 38px;
  padding: 8px 11px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--text);
  font: inherit;
  font-size: 13px;
}

.field input:focus-visible {
  border-color: var(--accent);
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field-error,
.form-error {
  display: block;
  margin-top: 5px;
  color: var(--down);
  font-size: 12px;
  font-style: normal;
}

.form-error {
  margin: 0 0 12px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}

.reveal {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.reveal code {
  flex: 1 1 auto;
  padding: 10px 11px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--ink);
  word-break: break-all;
  font-size: 12px;
}

/* Toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  max-width: min(520px, calc(100vw - 32px));
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  color: var(--text);
  font-size: 13px;
  box-shadow: 0 10px 30px rgb(0 0 0 / 0.3);
  z-index: 30;
}

.toast.is-error {
  border-color: color-mix(in srgb, var(--down) 60%, transparent);
  color: var(--down);
}

/* Responsive */

@media (max-width: 960px) {
  .workbench {
    grid-template-columns: minmax(0, 1fr);
  }

  .node-head,
  .node {
    grid-template-columns: 80px minmax(0, 1fr) 70px 68px auto;
  }

  .node-head span:nth-child(5),
  .node > :nth-child(5) {
    display: none;
  }
}

@media (max-width: 720px) {
  .topbar {
    padding: 16px;
    align-items: flex-start;
  }

  main {
    padding: 0 16px 32px;
  }

  .foot {
    padding: 0 16px 32px;
  }

  .statement {
    padding: 30px 0 20px;
  }

  .statement h1 {
    max-width: none;
  }

  .node-head {
    display: none;
  }

  .node {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "status status"
      "main main"
      "lat latency"
      "rate rate"
      "actions actions";
    gap: 8px 12px;
    padding: 15px 16px;
  }

  .node-status { grid-area: status; }
  .node-main { grid-area: main; }
  .node-metric:nth-child(3) { grid-area: lat; }
  .node-metric:nth-child(4) { grid-area: rate; }
  .node-metric:nth-child(5) { display: none; }

  .node-metric {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding-top: 6px;
    border-top: 1px dashed var(--line);
  }

  .node-metric:nth-child(3) { grid-area: lat; }
  .node-metric:nth-child(4) { grid-area: rate; }

  .metric-label {
    display: inline;
  }

  .node-actions {
    grid-area: actions;
    justify-content: flex-start;
    flex-wrap: wrap;
    margin-top: 4px;
  }

  .node-actions .btn {
    min-height: 44px;
    padding: 8px 14px;
  }

  .btn {
    min-height: 40px;
  }

  .icon-btn {
    width: 40px;
    height: 40px;
  }

  .key-item {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "name action"
      "prefix action"
      "meta meta";
    gap: 4px 12px;
    padding: 14px 16px;
  }

  .key-name { grid-area: name; }
  .key-prefix { grid-area: prefix; }
  .key-meta { grid-area: meta; }
  .key-item > form,
  .key-item > .btn { grid-area: action; }

  .feed-item {
    grid-template-columns: 46px 38px minmax(0, 1fr);
  }

  .feed-meta {
    display: none;
  }

  .field-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }
}

/* ---------- login ---------- */

.auth-body {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--ink);
}

.auth-shell {
  width: min(100%, 384px);
  display: grid;
  gap: 10px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.auth-title {
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.auth-sub {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  max-width: 36ch;
  margin-bottom: 10px;
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-foot {
  color: var(--muted);
  font-size: 12px;
  margin-top: 22px;
}

.auth-foot a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn-block {
  width: 100%;
  justify-content: center;
  height: 44px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}