:root {
  color-scheme: light dark;
  --bg: #f7f6f2;
  --bg-grad-1: #f7f6f2;
  --bg-grad-2: #f7f6f2;
  --surface: #ffffff;
  --surface-soft: #f3f2ee;
  --surface-hover: #eeeeea;
  --line: rgba(15, 23, 42, 0.1);
  --line-strong: rgba(15, 23, 42, 0.16);
  --text: #0f1216;
  --text-soft: #2a2f36;
  --muted: #4d5560;
  --muted-strong: #2c333a;
  --accent: #0d5e54;
  --accent-bright: #0fa791;
  --accent-soft: rgba(13, 94, 84, 0.08);
  --accent-glow: rgba(15, 23, 42, 0.12);
  --warn: #c2410c;
  --warn-soft: rgba(194, 65, 12, 0.1);
  --code-bg: #0e1115;
  --code-fg: #e8edf2;
  --shadow-sm: 0 1px 2px rgba(20, 28, 36, 0.04);
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 16px 30px -22px rgba(15, 23, 42, 0.28);
  --shadow-hero: 0 1px 2px rgba(15, 23, 42, 0.04), 0 22px 42px -26px rgba(15, 23, 42, 0.34);
  --radius: 10px;
  --radius-sm: 7px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Dark palette — applied either by system preference (when no explicit
   choice) or by data-theme="dark" override (set via the toggle button). */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a0c10;
  --bg-grad-1: #0d1015;
  --bg-grad-2: #07090c;
  --surface: #14181f;
  --surface-soft: #1a1f27;
  --surface-hover: #1f242d;
  --line: rgba(255, 255, 255, 0.06);
  --line-strong: rgba(255, 255, 255, 0.12);
  --text: #ecf0f5;
  --text-soft: #c6cdd6;
  --muted: #8a939e;
  --muted-strong: #b8c0cb;
  --accent: #5fd9c4;
  --accent-bright: #7eecd6;
  --accent-soft: rgba(95, 217, 196, 0.1);
  --accent-glow: rgba(95, 217, 196, 0.22);
  --warn: #fb923c;
  --warn-soft: rgba(251, 146, 60, 0.12);
  --code-bg: #06080b;
  --code-fg: #e8edf2;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 28px -8px rgba(0, 0, 0, 0.5);
  --shadow-hero: 0 1px 2px rgba(0, 0, 0, 0.4), 0 24px 48px -12px rgba(95, 217, 196, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0a0c10;
    --bg-grad-1: #0d1015;
    --bg-grad-2: #07090c;
    --surface: #14181f;
    --surface-soft: #1a1f27;
    --surface-hover: #1f242d;
    --line: rgba(255, 255, 255, 0.06);
    --line-strong: rgba(255, 255, 255, 0.12);
    --text: #ecf0f5;
    --text-soft: #c6cdd6;
    --muted: #8a939e;
    --muted-strong: #b8c0cb;
    --accent: #5fd9c4;
    --accent-bright: #7eecd6;
    --accent-soft: rgba(95, 217, 196, 0.1);
    --accent-glow: rgba(95, 217, 196, 0.22);
    --warn: #fb923c;
    --warn-soft: rgba(251, 146, 60, 0.12);
    --code-bg: #06080b;
    --code-fg: #e8edf2;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 28px -8px rgba(0, 0, 0, 0.5);
    --shadow-hero: 0 1px 2px rgba(0, 0, 0, 0.4), 0 24px 48px -12px rgba(95, 217, 196, 0.12);
  }
}

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

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

/* Smooth in-page scrolling for anchor jumps; disabled under reduced-motion. */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
/* Breathing room so a card/section jumped-to isn't flush against the top. */
.card, .stack-section { scroll-margin-top: 20px; }

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-feature-settings: "ss01", "cv11";
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

code, pre, .technical-value, .chip-key, .ip-value, .snippet-code {
  font-family: "JetBrains Mono", ui-monospace, "SF Mono", "SFMono-Regular", "Menlo", "Consolas", monospace;
  font-variant-ligatures: none;
}

.shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 64px;
  animation: settle 280ms var(--ease);
}

.stack-section {
  margin-bottom: 18px;
}

.stack-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 12px;
}

.stack-heading h2 {
  margin: 4px 0 0;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

.section-kicker {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  font-weight: 700;
}

/* Tools row in the section heading: filter + expand-all */
.stack-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toggle-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 13px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted-strong);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 140ms var(--ease), color 140ms var(--ease), transform 140ms var(--ease);
}
.toggle-all-btn:hover { border-color: var(--line-strong); color: var(--text); transform: translateY(-1px); }
.toggle-all-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.toggle-all-icon { transition: transform 200ms var(--ease); }
.toggle-all-btn.is-expanded .toggle-all-icon { transform: rotate(180deg); }

/* Card filter — type to show only matching detail cards */
.card-filter {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-width: 210px;
}

.card-filter-icon {
  position: absolute;
  left: 11px;
  color: var(--muted);
  pointer-events: none;
}

.card-filter-input {
  width: 100%;
  padding: 8px 30px 8px 32px;
  font: inherit;
  font-size: 0.86rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  transition: border-color 140ms var(--ease), box-shadow 140ms var(--ease);
}

.card-filter-input::placeholder { color: var(--muted); }
.card-filter-input:hover { border-color: var(--line-strong); }
.card-filter-input:focus-visible,
.card-filter-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
/* Hide the native search clear so our own button is the only one */
.card-filter-input::-webkit-search-cancel-button { -webkit-appearance: none; }

.card-filter-clear {
  position: absolute;
  right: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  padding: 0;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
}
.card-filter-clear:hover { color: var(--text); background: var(--surface-hover); }

.card-filter-empty {
  margin: 0 0 12px;
  padding: 10px 14px;
  font-size: 0.88rem;
  color: var(--muted);
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.card-filter-empty span { color: var(--text); font-weight: 500; }

/* ---------------- Look up any IP ---------------- */
.ip-lookup {
  margin: 0 0 18px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.ip-lookup-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--muted-strong);
  margin-bottom: 8px;
}

.ip-lookup-controls {
  display: flex;
  gap: 8px;
}

.ip-lookup-input {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  font: inherit;
  font-size: 0.95rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  color: var(--text);
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color 140ms var(--ease), box-shadow 140ms var(--ease);
}
.ip-lookup-input::placeholder { color: var(--muted); font-family: "JetBrains Mono", ui-monospace, monospace; }
.ip-lookup-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }

.ip-lookup-btn {
  flex: 0 0 auto;
  padding: 10px 18px;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--surface);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 140ms var(--ease), box-shadow 140ms var(--ease);
}
.ip-lookup-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px -2px var(--accent-glow); }
.ip-lookup-btn:active { transform: translateY(0); }
.ip-lookup-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ip-lookup-btn:disabled { opacity: 0.6; cursor: default; transform: none; box-shadow: none; }

.ip-lookup-hint {
  margin: 8px 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.ip-lookup-result {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  animation: details-reveal 220ms var(--ease);
}

.ipl-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.ipl-ip {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}
.ipl-tag {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  color: var(--muted);
}
.ipl-flag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}
.ipl-flag-warn { background: var(--warn-soft); color: var(--warn); }

.ipl-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 5px 0;
  border-bottom: 1px solid var(--line);
}
.ipl-row:last-child { border-bottom: 0; }
.ipl-key {
  flex: 0 0 72px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.ipl-val { min-width: 0; font-size: 0.92rem; color: var(--text); word-break: break-word; }
.ipl-val a { color: var(--accent); border-bottom: 1px dotted var(--accent); }

.ipl-msg { margin: 0; font-size: 0.9rem; color: var(--muted); }
.ipl-msg code { font-family: "JetBrains Mono", ui-monospace, monospace; color: var(--text); }
.ipl-msg-warn { color: var(--warn); }
.ip-lookup-result.is-loading .ipl-msg { animation: pulse-fade 1.2s var(--ease) infinite; }

/* Single-column stack. Collapsible cards read best as a clean top-to-bottom
   list you scan in order; a 2-column grid of varying-height cards looks
   ragged and breaks the scan. Kept as a grid (not flow) only for the uniform
   12px gap and start alignment. */
.section-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: start;
}

.section-grid > * {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

/* ---------------- Masthead ---------------- */
.masthead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.brand { min-width: 0; flex: 1; }

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.logo-mark {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-radius: 5px;
  vertical-align: -5px;
  margin-right: 2px;
  box-shadow: 0 1px 2px rgba(20, 28, 36, 0.08), 0 0 0 1px rgba(20, 28, 36, 0.04);
}

.lede {
  margin: 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.masthead-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

a, a:visited { color: var(--text); text-decoration: none; }

.masthead-links a,
.masthead-links button {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text);
  transition: all 160ms var(--ease);
  box-shadow: var(--shadow-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  cursor: pointer;
  font-family: inherit;
}

.masthead-links a:hover,
.masthead-links button:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.masthead-links a:focus-visible,
.masthead-links button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.masthead-source,
.theme-toggle {
  width: 36px;
  height: 36px;
  padding: 0 !important;
  color: var(--muted-strong);
}

/* Theme toggle — single icon button, matches JSON/Docs/GitHub pill style */
.theme-icon-sun { display: none; }
.theme-icon-moon { display: block; }

:root[data-theme="dark"] .theme-icon-sun { display: block; }
:root[data-theme="dark"] .theme-icon-moon { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-icon-moon { display: none; }
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 32px 24px;
  box-shadow: var(--shadow-hero);
  margin-bottom: 16px;
  overflow: hidden;
}

.hero::before {
  content: none;
}

.hero > * { position: relative; }

.ip-label {
  margin: 0 0 12px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.ip-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.ip-value {
  font-size: clamp(2.2rem, 6.8vw, 3.8rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.02;
  color: var(--text);
  word-break: break-all;
  outline: none;
  font-variant-numeric: tabular-nums;
}

/* Long IPv6 — step the hero font down so a full address fits gracefully */
.ip-value--long { font-size: clamp(1.7rem, 4.6vw, 2.6rem); }
.ip-value--xl   { font-size: clamp(1.3rem, 3.6vw, 2rem); line-height: 1.25; }

.ip-value:focus-visible {
  text-decoration: underline dotted var(--accent);
  text-underline-offset: 8px;
}

/* Hero IP — larger copy icon, more breathing room */
.ip-value.copyable {
  padding: 4px 10px;
  margin: -4px -10px;
  border-radius: 10px;
}

.ip-value.copyable::after {
  width: 20px;
  height: 20px;
  margin-left: 14px;
  vertical-align: middle;
}

/* Copy button */
.copy-btn {
  appearance: none;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 9px 14px 9px 12px;
  border-radius: 10px;
  background: var(--surface);
  color: var(--muted-strong);
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all 180ms var(--ease);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.copy-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px -2px var(--accent-glow);
}

.copy-btn:active { transform: translateY(0); }
.copy-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.copy-icon { display: inline-block; transition: all 200ms var(--ease); }
.copy-icon-done {
  position: absolute;
  left: 12px;
  opacity: 0;
  transform: scale(0.6);
  color: var(--accent-bright);
}

.copy-btn.is-copied {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.copy-btn.is-copied .copy-icon-default { opacity: 0; transform: scale(0.6); }
.copy-btn.is-copied .copy-icon-done { opacity: 1; transform: scale(1); }

/* Quick chips */
.quick-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.quick-chips li {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  font-size: 0.82rem;
  transition: border-color 160ms var(--ease);
}

.quick-chips li:hover { border-color: var(--line-strong); }

.chip-key {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.chip-val {
  color: var(--text);
  font-weight: 500;
  max-width: 28ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero-chip-rows {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.quick-chips-secondary {
  margin-top: 0;
}

.hero .quick-chips {
  max-width: 100%;
}

.hero .quick-chips li {
  min-height: 32px;
  background: color-mix(in srgb, var(--surface-soft) 78%, transparent);
  box-sizing: border-box;
  max-width: 100%;
  overflow: hidden;
}

.hero .quick-chips .chip-val {
  min-width: 0;
  max-width: min(48ch, 64vw);
}

/* Defensive fallback for older hero-row markup: if a stale page still renders
   GEO / CLIENT / NETWORK rows, copy feedback should reserve space and use flex
   gaps rather than inline negative margins that can overlap adjacent values. */
.hero-facts {
  margin: 18px 0 0;
  display: grid;
  gap: 7px;
}

.hero-fact {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
}

.hero-fact dt {
  flex: 0 0 58px;
  padding-top: 4px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--muted);
  line-height: 1.5;
}

.hero .hero-fact dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  column-gap: 8px;
  row-gap: 6px;
  align-items: center;
  min-width: 0;
}

.hero .hero-fact .copyable,
.hero .hero-fact .hero-muted,
.hero .hero-fact .hero-badge {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  margin: 0;
  max-width: 100%;
}

.hero .hero-fact .copyable {
  padding: 2px 24px 2px 8px;
  position: relative;
}

.hero .hero-fact .copyable::after {
  position: absolute;
  right: 8px;
  top: 50%;
  margin-left: 0;
  transform: translateY(-50%);
}

.empty-note-card .board-heading {
  margin-bottom: 12px;
}

.empty-note {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9rem;
  line-height: 1.6;
}

.empty-note code {
  font-size: 0.88em;
}

/* ---------------- Cards ---------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.card-compact { padding: 18px 24px; }

.board-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.board-heading h2 {
  margin: 0;
  font-size: 1.02rem;
  letter-spacing: -0.015em;
  font-weight: 600;
}

.section-caption {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.field-grid {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 32px;
}

.field-row {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.field-row-wide { grid-column: 1 / -1; }

.field-grid .field-row:last-of-type,
.field-grid .field-row-wide:last-of-type { border-bottom: 0; padding-bottom: 4px; }

.field-grid .field-row:nth-last-of-type(2):not(.field-row-wide) {
  border-bottom: 0;
  padding-bottom: 4px;
}

dt {
  font-family: "JetBrains Mono", ui-monospace, "SF Mono", "SFMono-Regular", "Menlo", "Consolas", monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 5px;
  font-weight: 500;
}

dd {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text);
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.5;
  font-weight: 500;
}

.technical-value {
  font-size: 0.82rem;
  color: var(--text-soft);
  line-height: 1.55;
  font-weight: 400;
  overflow-wrap: anywhere;
}

.forwarded-chain {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 0;
}

.forwarded-hop + .forwarded-hop::before {
  content: ",";
  margin-right: 6px;
  color: var(--muted);
  font-weight: 400;
}

.verdict-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.verdict-pill {
  margin-left: auto;
}

/* About-page prose */
.prose {
  margin: 0 0 14px;
  color: var(--text-soft);
  font-size: 0.94rem;
  line-height: 1.65;
}

.prose:last-child { margin-bottom: 0; }

.prose code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.86em;
  padding: 1px 6px;
  background: var(--surface-soft);
  border-radius: 4px;
  border: 1px solid var(--line);
}

.prose a {
  color: var(--accent);
  border-bottom: 1px dotted var(--accent);
}

.prose a:hover { border-bottom-style: solid; }

/* Inline "more info" external link — used next to ASN / Organization to
   open detailed BGP/WHOIS info on bgp.tools. Compact pill that doesn't
   compete with the copyable value to its left. */
.info-link {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 5px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted-strong);
  background: var(--surface-soft);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: all 140ms var(--ease);
  vertical-align: 1px;
}

.info-link:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* Inline status pills for FCrDNS / bot verification / RPKI etc.
   - vertical-align: middle so the pill centers against neighbouring mono text
     (the pill is smaller font than .cloud-meta, so baseline alignment hangs
     it visibly below the line)
   - no margin so the pill sits flush whether it appears first in the row or
     after other content; inter-element whitespace from the template provides
     natural spacing between adjacent items */
.status-ok, .status-warn, .status-muted {
  display: inline-block;
  margin: 0;
  vertical-align: middle;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 500;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.01em;
}
.status-ok    { background: var(--accent-soft); color: var(--accent); }
.status-warn  { background: var(--warn-soft);   color: var(--warn); }
.status-muted { background: var(--surface-soft); color: var(--muted); border: 1px solid var(--line); }

/* Bot badge — distinct from cloud badge so users can tell them apart */
.bot-badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--warn-soft);
  color: var(--warn);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-right: 6px;
}

/* Cloud provider badge + chip */
.cloud-badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--surface);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin-right: 6px;
}

.cloud-meta {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 400;
  margin-right: 4px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  overflow-wrap: anywhere;
}

.chip-cloud {
  background: var(--accent-soft) !important;
  border-color: var(--accent) !important;
}

.chip-cloud .chip-key {
  color: var(--accent);
}

.chip-warn {
  background: var(--warn-soft) !important;
  border-color: var(--warn) !important;
}

.chip-warn .chip-key { color: var(--warn); }
.chip-warn .chip-val { color: var(--warn); }

/* Geo attribution + map link */
.geo-attribution { font-size: 0.75rem; }
.geo-attribution a { color: var(--accent); border-bottom: 1px dotted var(--accent); }
.geo-map-link {
  color: var(--accent);
  border-bottom: 1px dotted var(--accent);
  font-weight: 500;
}
.geo-map-link:hover { border-bottom-style: solid; }

/* Inline geo annotation next to WebRTC public IP */
.webrtc-geo {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.86em;
}

.webrtc-geo-sep {
  color: var(--muted);
  font-weight: 400;
  margin: 0 2px 0 4px;
}

/* ============================================================
   Browser fingerprint card — privacy posture banner + per-signal
   entropy rows. Layout mirrors the RPKI row (data left, verdict
   right) for consistency.
   ============================================================ */

/* Posture banner: prominent identifiability label + total bits */
.fp-banner {
  margin: 0 28px 16px;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.fp-banner-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.fp-banner-meta {
  color: var(--muted);
  font-size: 0.84rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
}

.fp-explainer {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
  max-width: 70ch;
}

/* Posture label — color-graded by entropy band */
.fp-posture {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.fp-posture-low  { background: var(--accent-soft); color: var(--accent); }
.fp-posture-mid  { background: var(--surface);     color: var(--muted-strong); border: 1px solid var(--line-strong); }
.fp-posture-high { background: var(--warn-soft);   color: var(--warn); }
.fp-posture-vhi  { background: var(--warn-soft);   color: var(--warn); box-shadow: 0 0 0 1px var(--warn); }

/* Per-signal rows */
.fp-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 12px;
}

.fp-value {
  flex: 1;
  min-width: 0;
  word-break: break-all;
}

/* Right-aligned entropy pill with a horizontal bar inside.
   Track is the pill background; .fp-bits-bar is the filled portion. */
.fp-bits {
  position: relative;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 92px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.74rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
}

.fp-bits-bar {
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--accent-soft);
  border-radius: 999px;
  transition: width 280ms var(--ease);
  z-index: 0;
}

.fp-bits-label {
  position: relative;
  z-index: 1;
  color: var(--muted-strong);
}

.fp-bits-zero .fp-bits-bar  { background: transparent; }
.fp-bits-low  .fp-bits-bar  { background: var(--accent-soft); }
.fp-bits-mid  .fp-bits-bar  { background: rgba(218, 165, 32, 0.18); }
.fp-bits-high .fp-bits-bar  { background: var(--warn-soft); }
.fp-bits-zero .fp-bits-label { color: var(--muted); }

/* RPKI row — data left, verdict right.
   Flexbox lets the status pill push to the far right edge while the data
   (origin AS + prefix + bgp.tools link) stays on the left. On narrow
   viewports the row wraps and the status drops to its own line, still
   right-aligned by `margin-left: auto`. */
.rpki-dd {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 8px;
}

.rpki-data {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  min-width: 0;
}

.rpki-status-right {
  margin-left: auto;
}

/* WebRTC leak-check status */
.leak-ok {
  color: var(--accent);
  font-weight: 500;
}

.leak-ok::before {
  content: "✓";
  display: inline-block;
  margin-right: 6px;
  color: var(--accent-bright);
  font-weight: 700;
}

.leak-warn {
  color: var(--warn);
  font-weight: 500;
}

.leak-warn::before {
  content: "⚠";
  display: inline-block;
  margin-right: 6px;
}

/* Click-to-copy on field values — minimal, hover-revealed */
.copyable {
  cursor: pointer;
  border-radius: 6px;
  padding: 2px 6px;
  margin: -2px -6px;
  transition: background-color 140ms var(--ease), color 140ms var(--ease);
  outline: none;
  display: inline;
}

.copyable:hover { color: var(--accent); background: var(--accent-soft); }
.copyable:focus-visible { color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 2px var(--accent-glow); }

/* Chips / badges already render as their own pills — don't add the .copyable
   padding/margin/border-radius on top, just the click affordance + hover tint. */
.quick-chips li.copyable,
.cloud-badge.copyable,
.bot-badge.copyable {
  position: relative;
  padding: 6px 12px;
  margin: 0;
  border-radius: 999px;
}

.quick-chips li.copyable {
  padding-right: 30px;
}

.cloud-badge.copyable,
.bot-badge.copyable {
  padding: 3px 9px;
}

.quick-chips li.copyable:hover {
  background: var(--surface-soft);
  border-color: var(--line-strong);
  color: inherit;
}

.quick-chips li.copyable:hover .chip-val { color: var(--text); }

.quick-chips li.copyable.is-copied {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.quick-chips li.copyable.is-copied .chip-key,
.quick-chips li.copyable.is-copied .chip-val { color: var(--accent); }

/* Reserve icon space so copy feedback never changes chip size. */
.quick-chips li.copyable::after {
  display: block;
  position: absolute;
  right: 11px;
  top: 50%;
  margin-left: 0;
  transform: translateY(-50%);
  color: var(--muted);
  opacity: 0.34;
}

.quick-chips li.copyable:hover::after,
.quick-chips li.copyable:focus-visible::after {
  color: var(--accent);
  opacity: 0.64;
}

.cloud-badge.copyable::after,
.bot-badge.copyable::after { display: none; }

.quick-chips li.copyable.is-copied::after,
.cloud-badge.copyable.is-copied::after,
.bot-badge.copyable.is-copied::after {
  display: block;
  position: absolute;
  right: 8px;
  top: 50%;
  margin-left: 0;
  transform: translateY(-50%);
  color: var(--accent);
  opacity: 1;
}

.quick-chips li.copyable.is-copied,
.cloud-badge.copyable.is-copied,
.bot-badge.copyable.is-copied {
  animation: none;
  transform: none;
}

.copyable::after {
  content: "";
  display: inline-block;
  width: 11px;
  height: 11px;
  margin-left: 6px;
  vertical-align: -1px;
  background-color: currentColor;
  -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><rect x='9' y='9' width='13' height='13' rx='2.5'/><path d='M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1'/></svg>");
  mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><rect x='9' y='9' width='13' height='13' rx='2.5'/><path d='M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1'/></svg>");
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  opacity: 0;
  transition: opacity 160ms var(--ease);
}

.copyable:hover::after,
.copyable:focus-visible::after { opacity: 0.6; }

.copyable.is-copied {
  color: var(--accent);
  background: var(--accent-soft);
}

.copyable.is-copied::after {
  opacity: 1;
  -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
  mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
}

/* ---------------- Collapsible cards ---------------- */
details.card.collapsible {
  padding: 0;
}

details.card.collapsible > summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 28px;
  margin: 0;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
  user-select: none;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: baseline;
  gap: 14px;
  position: relative;
  border-radius: var(--radius) var(--radius) 0 0;
}

details.card.collapsible > summary:focus {
  outline: none;
}

details.card.collapsible > summary:focus-visible {
  box-shadow: inset 0 0 0 2px var(--accent);
}

details.card.collapsible > summary > h2 { grid-column: 1; }
details.card.collapsible > summary > .section-caption { grid-column: 3; }

details.card.collapsible > summary > .section-caption {
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

details.card.collapsible:not([open]) > summary { border-radius: var(--radius); }
details.card.collapsible > summary:hover { background: var(--surface-hover); }

details.card.collapsible > summary::-webkit-details-marker { display: none; }

details.card.collapsible > summary::after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(-45deg);
  transition: transform 200ms var(--ease);
  grid-column: 4;
  align-self: center;
}

details.card.collapsible[open] > summary::after { transform: rotate(45deg); }
details.card.collapsible[open] > summary { border-bottom-color: var(--line); margin-bottom: 18px; }

/* Smooth reveal of card content on open. Native <details> snaps; this fades
   + slides the body in. Close stays instant (native), which reads fine.
   Disabled under prefers-reduced-motion via the global reduced-motion block. */
details.card.collapsible[open] > *:not(summary) {
  animation: details-reveal 240ms var(--ease);
}
@keyframes details-reveal {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

details.card.collapsible > summary h2 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

details.card.collapsible > summary .section-caption {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

details.card.collapsible > .field-grid,
details.card.collapsible > .mode-grid,
details.card.collapsible > .signal-chips {
  padding: 0 28px 22px;
}

details.card.collapsible > .mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items: stretch;
}

/* Single-card variant: the consolidated "Try the API" playground spans the
   full width of its parent so the snippet doesn't feel cramped. */
details.card.collapsible > .mode-grid-single {
  grid-template-columns: 1fr;
}

/* When there's only one mode-card, the footer "stamp" carries the meta
   instead of the full pill-row that used to live there. */
.footer-strip .footer-stamp { margin-top: 0; padding-top: 0; border-top: 0; }

/* ---------------- Signal chips (privacy) ---------------- */
.signal-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.signal-chips li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 10px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  font-size: 0.82rem;
}

.signal-key {
  font-family: "JetBrains Mono", ui-monospace, "SF Mono", monospace;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
}

.signal-val {
  color: var(--text);
  font-weight: 500;
}

.signal-val-enabled {
  color: var(--accent);
}

.signal-val-disabled {
  color: var(--muted);
}

/* ---------------- Mode cards (other ways to query) ---------------- */
.mode-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  height: 100%;
}

.snippet-code,
.snippet pre,
.copy-target,
.rpki-data,
.webrtc-copy-target,
.endpoint-row,
.cloud-badge,
.bot-badge {
  overflow-wrap: anywhere;
}

.mode-card .snippet { flex: 1; display: flex; flex-direction: column; gap: 0; }
.mode-card .snippet .snippet-cmd { border-radius: var(--radius-sm) var(--radius-sm) 0 0; border-bottom: 0; }
.mode-card .snippet pre {
  flex: 1;
  min-height: 84px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  overflow: auto;
}
.mode-card .endpoint-row {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  align-items: flex-start;
}
.mode-card .snippet pre.is-loading {
  color: var(--muted);
  opacity: 0.6;
  animation: pulse-fade 1.4s var(--ease) infinite;
}

@keyframes pulse-fade {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 0.75; }
}

.mode-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.mode-card h3 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}

.mode-card-tag {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 8px;
  border-radius: 999px;
  font-weight: 500;
}

.snippet {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.snippet-cmd {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px 8px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.82rem;
}

.snippet-prompt {
  color: var(--accent);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 600;
}

.snippet-code {
  flex: 1;
  min-width: 0;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.snippet-copy {
  appearance: none;
  cursor: pointer;
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  padding: 4px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 140ms var(--ease);
  flex-shrink: 0;
}

.snippet-copy:hover {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent-soft);
}

.snippet-copy:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.snippet-copy.is-copied {
  color: var(--accent-bright);
  background: var(--accent-soft);
}

.endpoint-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.endpoint-row-label {
  font-size: 0.74rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  margin-right: 4px;
}

/* ---------------- Endpoint chips (clickable everywhere) ---------------- */
.endpoint-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent) !important;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.76rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: all 140ms var(--ease);
  text-decoration: none;
}

.endpoint-chip:hover {
  border-color: var(--accent);
  background: var(--surface);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px -1px var(--accent-glow);
}

.endpoint-chip:active { transform: translateY(0); }
.endpoint-chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.endpoint-chip.is-active {
  background: var(--accent);
  color: var(--surface) !important;
  border-color: var(--accent);
  box-shadow: 0 4px 10px -2px var(--accent-glow);
}

.endpoint-chip.is-active:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

pre {
  margin: 0;
  padding: 14px 16px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 0.78rem;
  line-height: 1.6;
  background: var(--code-bg);
  color: var(--code-fg);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

/* ---------------- Footer ---------------- */
.footer-strip {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 24px;
  box-shadow: var(--shadow);
}

.footer-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.footer-label {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.footer-meta {
  margin: 0;
  font-size: 0.74rem;
  color: var(--muted);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.footer-stamp {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 0.74rem;
  color: var(--muted);
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.footer-stamp time {
  color: var(--text-soft);
}

/* Page-bottom copyright / credits line */
.copyright {
  margin: 28px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.6;
}

.copyright a {
  color: var(--muted-strong);
  border-bottom: 1px dotted var(--line-strong);
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.copyright a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Minimal theme kept for URL/API compatibility. */
body.theme-minimal { background: var(--bg); }

/* ---------------- Animations ---------------- */
@keyframes settle {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px var(--accent-glow); }
  50% { box-shadow: 0 0 0 6px transparent; }
}

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

/* ---------------- Responsive ---------------- */
@media (max-width: 760px) {
  .shell { padding: 28px 0 48px; }
  .masthead { flex-direction: column; align-items: stretch; gap: 16px; }
  .masthead-links { justify-content: flex-start; }
  .hero { padding: 24px 22px 20px; }
  .card { padding: 20px 20px; }
  .stack-heading { flex-direction: column; align-items: stretch; }
  .stack-tools { width: 100%; }
  .card-filter { min-width: 0; flex: 1; }
  .section-grid {
    grid-template-columns: 1fr;
  }
  /* On phones every card spans the single column. */
  .section-grid > * { grid-column: 1 / -1; }
  details.card.collapsible > summary {
    padding: 16px 20px;
    grid-template-columns: 1fr auto;
    align-items: start;
  }
  details.card.collapsible > summary > h2 { grid-column: 1; }
  details.card.collapsible > summary > .section-caption {
    grid-column: 1 / -1;
    grid-row: 2;
    text-align: left;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
  }
  details.card.collapsible > summary::after {
    grid-column: 2;
    grid-row: 1;
    margin-top: 6px;
  }
  details.card.collapsible[open] > summary { margin-bottom: 14px; }
  details.card.collapsible > .field-grid,
  details.card.collapsible > .mode-grid { padding: 0 20px 18px; }
  .field-grid { grid-template-columns: 1fr; gap: 0; }
  .field-grid .field-row { border-bottom: 1px solid var(--line); }
  .field-grid .field-row:last-child { border-bottom: 0; }
  details.card.collapsible > .mode-grid { grid-template-columns: 1fr; }
  .board-heading { flex-direction: column; align-items: flex-start; gap: 4px; }
  .footer-row { flex-direction: column; align-items: flex-start; gap: 2px; }
}

@media (max-width: 480px) {
  .shell { width: calc(100% - 20px); padding-top: 20px; }
  .hero { padding: 20px 18px; }
  .ip-row { gap: 10px; }
  .copy-btn { padding: 8px 12px; font-size: 0.8rem; }
  .mode-card .snippet pre { font-size: 0.78rem; }
  .chip-val { max-width: 18ch; }
  /* Stack the IP-lookup input + button so neither gets cramped. */
  .ip-lookup-controls { flex-direction: column; }
  .ip-lookup-btn { width: 100%; }
  .ipl-key { flex-basis: 60px; }
}

/* ============================================================
   Error pages (404 / 405 / 500)
   ============================================================ */
.error-shell {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-block {
  text-align: center;
  padding: 40px 20px;
}

.error-code {
  margin: 0;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: clamp(3.5rem, 14vw, 7rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--accent);
  opacity: 0.85;
}

.error-message {
  margin: 8px 0 0;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.error-hint {
  margin: 10px 0 26px;
  color: var(--muted);
  font-size: 0.95rem;
}

.error-actions {
  display: inline-flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.error-btn {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--surface) !important;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--accent);
  transition: transform 140ms var(--ease), box-shadow 140ms var(--ease);
}
.error-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px -4px var(--accent-glow); }

.error-btn-ghost {
  background: var(--surface);
  color: var(--text) !important;
  border-color: var(--line-strong);
}

/* ============================================================
   Skeleton loaders (fingerprint card while JS computes)
   ============================================================ */
.fp-skeleton {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 4px 0;
}

.skel {
  display: block;
  height: 14px;
  border-radius: 6px;
  background: linear-gradient(
    90deg,
    var(--surface-soft) 0%,
    var(--line) 40%,
    var(--surface-soft) 80%
  );
  background-size: 200% 100%;
  animation: skel-shimmer 1.4s ease-in-out infinite;
}

.skel-line { width: 100%; }

@keyframes skel-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   Mobile: tame the hero chip row. With geo+org+asn+browser+os+
   etc. the row can get tall — shrink chips and clamp values so
   it stays scannable on a phone.
   ============================================================ */
@media (max-width: 560px) {
  .quick-chips { gap: 5px; }
  .quick-chips li {
    padding: 5px 9px;
    font-size: 0.78rem;
    gap: 6px;
  }
  .quick-chips .chip-key { font-size: 0.64rem; }
  .quick-chips .chip-val { max-width: 22ch; }
  /* org and UA strings can be long — clamp harder on the narrowest screens */
  .quick-chips li[data-copy-text] .chip-val { max-width: 20ch; }
}

@media (max-width: 380px) {
  .quick-chips .chip-val { max-width: 14ch; }
}

/* ============================================================
   Focus visibility — consistent accent ring on every interactive
   element. Keyboard users get a clear, uniform indicator.
   ============================================================ */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible,
.endpoint-chip:focus-visible,
.copy-target:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.quick-chips li.copyable:focus,
.quick-chips li.copyable:focus-visible {
  outline: none;
  box-shadow: none;
  color: inherit;
  background: var(--surface-soft);
}

/* Don't double-draw on elements that already manage their own focus ring */
.copy-btn:focus-visible,
.theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ============================================================
   Empty-value polish — a bare "—" reads as muted/absent rather
   than competing with real data.
   ============================================================ */
dd .na, .na { color: var(--muted); opacity: 0.6; }

/* ============================================================
   Print stylesheet — clean paste into bug reports / docs.
   Expand all collapsibles, drop chrome, ink-friendly.
   ============================================================ */
@media print {
  :root {
    --bg: #fff; --bg-grad-1: #fff; --bg-grad-2: #fff;
    --surface: #fff; --surface-soft: #fff;
    --text: #000; --text-soft: #222; --muted: #555;
    --line: #ccc; --line-strong: #999;
    --accent: #0a5; --shadow: none; --shadow-sm: none; --shadow-hero: none;
  }
  body { background: #fff !important; }
  .masthead-links, .theme-toggle, .copy-btn, .snippet-copy,
  .info-link, .error-actions, .more-modes summary::after { display: none !important; }
  /* Force every collapsible open so nothing is hidden on paper */
  details.card.collapsible { open: open; }
  details.card.collapsible > .field-grid,
  details.card.collapsible > .mode-grid { display: grid !important; }
  details[open] > summary::after, details > summary::after { display: none !important; }
  .card, .hero, .footer-strip {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    break-inside: avoid;
  }
  .ip-value { color: #000 !important; }
  a { color: #000 !important; text-decoration: underline; }
  .copyable::after { display: none !important; }
}

/* ============================================================
   pqlq.com site pack
   A warmer, notebook-like network mirror skin over the shared app.
   ============================================================ */
:root {
  --bg: #f4efe6;
  --bg-grad-1: #fff7e9;
  --bg-grad-2: #eaf2ef;
  --surface: #fffdf8;
  --surface-soft: #f7efe3;
  --surface-hover: #f1e5d5;
  --line: rgba(39, 57, 74, 0.13);
  --line-strong: rgba(39, 57, 74, 0.22);
  --text: #11151b;
  --text-soft: #27394a;
  --muted: #65717b;
  --muted-strong: #344554;
  --accent: #b7482b;
  --accent-bright: #e96b3d;
  --accent-soft: rgba(183, 72, 43, 0.10);
  --accent-glow: rgba(183, 72, 43, 0.20);
  --warn: #9f3a1e;
  --warn-soft: rgba(159, 58, 30, 0.11);
  --code-bg: #11151b;
  --code-fg: #fff6e7;
  --shadow-sm: 0 1px 2px rgba(39, 57, 74, 0.05);
  --shadow: 0 1px 2px rgba(39, 57, 74, 0.05), 0 18px 36px -26px rgba(39, 57, 74, 0.36);
  --shadow-hero: 0 1px 2px rgba(39, 57, 74, 0.05), 0 28px 54px -32px rgba(183, 72, 43, 0.38);
  --radius: 16px;
  --radius-sm: 11px;
}

:root[data-theme="dark"] {
  --bg: #101315;
  --bg-grad-1: #171a1c;
  --bg-grad-2: #0b0e10;
  --surface: #181b1d;
  --surface-soft: #202326;
  --surface-hover: #282b2d;
  --line: rgba(246, 235, 220, 0.10);
  --line-strong: rgba(246, 235, 220, 0.18);
  --text: #f8efe3;
  --text-soft: #dfd1bf;
  --muted: #a89b8b;
  --muted-strong: #d4c4b0;
  --accent: #f0a45c;
  --accent-bright: #ffc37a;
  --accent-soft: rgba(240, 164, 92, 0.13);
  --accent-glow: rgba(240, 164, 92, 0.24);
  --warn: #ff9f62;
  --warn-soft: rgba(255, 159, 98, 0.14);
  --code-bg: #07090b;
  --code-fg: #f8efe3;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.36);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.36), 0 18px 38px -16px rgba(0, 0, 0, 0.56);
  --shadow-hero: 0 1px 2px rgba(0, 0, 0, 0.4), 0 28px 56px -24px rgba(240, 164, 92, 0.20);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #101315;
    --bg-grad-1: #171a1c;
    --bg-grad-2: #0b0e10;
    --surface: #181b1d;
    --surface-soft: #202326;
    --surface-hover: #282b2d;
    --line: rgba(246, 235, 220, 0.10);
    --line-strong: rgba(246, 235, 220, 0.18);
    --text: #f8efe3;
    --text-soft: #dfd1bf;
    --muted: #a89b8b;
    --muted-strong: #d4c4b0;
    --accent: #f0a45c;
    --accent-bright: #ffc37a;
    --accent-soft: rgba(240, 164, 92, 0.13);
    --accent-glow: rgba(240, 164, 92, 0.24);
    --warn: #ff9f62;
    --warn-soft: rgba(255, 159, 98, 0.14);
    --code-bg: #07090b;
    --code-fg: #f8efe3;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.36);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.36), 0 18px 38px -16px rgba(0, 0, 0, 0.56);
    --shadow-hero: 0 1px 2px rgba(0, 0, 0, 0.4), 0 28px 56px -24px rgba(240, 164, 92, 0.20);
  }
}

body {
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 176, 111, 0.22), transparent 26rem),
    radial-gradient(circle at 88% 12%, rgba(39, 57, 74, 0.10), transparent 22rem),
    linear-gradient(135deg, var(--bg-grad-1), var(--bg-grad-2));
}

.shell {
  width: min(960px, calc(100% - 34px));
}

.masthead {
  padding-top: 4px;
}

.eyebrow {
  letter-spacing: 0.18em;
}

.logo-mark {
  border-radius: 8px;
  box-shadow: 0 8px 18px -12px var(--accent);
}

.hero {
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255, 253, 248, 0.96), rgba(247, 239, 227, 0.82)),
    radial-gradient(circle at 94% 14%, rgba(183, 72, 43, 0.09), transparent 15rem);
}

:root[data-theme="dark"] .hero {
  background:
    linear-gradient(135deg, rgba(31, 34, 34, 0.98), rgba(21, 24, 25, 0.94)),
    radial-gradient(circle at 94% 14%, rgba(240, 164, 92, 0.13), transparent 15rem);
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at 12% 8%, rgba(240, 164, 92, 0.13), transparent 26rem),
    radial-gradient(circle at 88% 12%, rgba(119, 151, 162, 0.09), transparent 22rem),
    linear-gradient(135deg, var(--bg-grad-1), var(--bg-grad-2));
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) body {
    background:
      radial-gradient(circle at 12% 8%, rgba(240, 164, 92, 0.13), transparent 26rem),
      radial-gradient(circle at 88% 12%, rgba(119, 151, 162, 0.09), transparent 22rem),
      linear-gradient(135deg, var(--bg-grad-1), var(--bg-grad-2));
  }

  :root:not([data-theme="light"]) .hero {
    background:
      linear-gradient(135deg, rgba(31, 34, 34, 0.98), rgba(21, 24, 25, 0.94)),
      radial-gradient(circle at 94% 14%, rgba(240, 164, 92, 0.13), transparent 15rem);
  }
}

.ip-label,
.section-kicker,
.footer-label {
  letter-spacing: 0.18em;
}

.ip-value {
  letter-spacing: -0.08em;
}

.quick-chips li,
.endpoint-chip,
.bot-badge,
.cloud-badge {
  border-radius: 999px;
}

.card,
.footer-strip {
  border-radius: 18px;
}

.snippet pre,
.ip-lookup-result {
  border-radius: 14px;
}

@media print {
  :root {
    --bg: #fff; --bg-grad-1: #fff; --bg-grad-2: #fff;
    --surface: #fff; --surface-soft: #fff;
    --text: #000; --text-soft: #222; --muted: #555;
    --line: #ccc; --line-strong: #999;
    --accent: #000; --shadow: none; --shadow-sm: none; --shadow-hero: none;
  }
}