:root {
  color-scheme: light;
  --page-bg: #f5f7fb;
  --card-bg: #ffffff;
  --surface-soft: #f8fafc;
  --surface-muted: #f1f5f9;
  --frosted-bg: rgba(255, 255, 255, 0.9);
  --border: #e5e7eb;
  --border-strong: #d7dfe9;
  --border-hover: #cbd5e1;
  --text: #0f172a;
  --muted: #64748b;
  --link: #0f8ad8;
  --accent: #16a34a;
  --pill-positive-bg: #e7f6ed;
  --pill-positive-border: #d7ecde;
  --pill-positive-text: #14532d;
  --pill-muted-bg: #f1f5f9;
  --pill-muted-border: var(--border);
  --pill-muted-text: var(--muted);
  --code-bg: #0f172a;
  --code-text: #e2e8f0;
  --code-border: #1f2937;
  --code-muted: #cbd5e1;
  --code-button-bg: rgba(255, 255, 255, 0.08);
  --code-button-border: rgba(255, 255, 255, 0.18);
  --code-button-focus: rgba(255, 255, 255, 0.12);
  --focus-ring: rgba(14, 165, 233, 0.15);
  --shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  --radius: 12px;
  --glow-1: rgba(22, 163, 74, 0.05);
  --glow-2: rgba(14, 165, 233, 0.04);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  font-size: 16px;
  background-color: var(--page-bg);
  color: var(--text);
}

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

body {
  margin: 0;
  background: radial-gradient(circle at 10% 20%, var(--glow-1), transparent 25%),
    radial-gradient(circle at 90% 10%, var(--glow-2), transparent 22%),
    var(--page-bg);
  color: var(--text);
  min-height: 100vh;
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
}

.container {
  width: min(1100px, 96vw);
  margin: 0 auto;
  padding: 16px;
}

.page,
.dashboard {
  display: grid;
  gap: 16px;
  width: 100%;
  max-width: 980px;
  margin: 24px auto 32px;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, SFMono, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

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

/* ---------- Top bar ---------- */

.top-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--frosted-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.top-bar__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.top-bar__cluster {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.top-bar__lookup {
  margin: 0;
}

.top-bar__lookup-field {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(22, 163, 74, 0.14);
}

.brand-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.brand-name {
  font-size: 1rem;
}

.top-bar__note {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- Cards / panels ---------- */

.card,
.panel,
.guide-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.support-cta {
  display: block;
  color: inherit;
  text-decoration: none;
}

.support-cta:hover,
.support-cta:focus-visible {
  text-decoration: none;
  border-color: var(--border-hover);
  box-shadow: 0 0 0 3px var(--focus-ring);
  outline: none;
}

.card__header,
.panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.card__title,
.panel__header h1,
.panel__header h2,
.panel__header h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.card__title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

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

.timestamp {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  text-align: right;
}

.card__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 36px;
}

.label {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

.card__header--toggle {
  margin-bottom: 0;
}

.card__header_clickable {
  cursor: pointer;
  transition: all 0.15s ease;
}

.card.hero {
  padding: 24px;
}

/* ---------- Hero / primary data ---------- */

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  align-items: flex-start;
}

.hero-primary {
  display: grid;
  gap: 12px;
}

.geo-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  text-decoration: none;
}

.geo-link__icon {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--text);
}

.geo-link__icon svg {
  width: 12px;
  height: 12px;
}

.geo-link:hover,
.geo-link:focus-visible {
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
  outline: none;
  border-radius: 10px;
}

.ip-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ip-copy {
  position: relative;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  border-radius: 10px;
  padding: 10px 12px;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}

.ip-copy:hover,
.ip-copy:focus-visible {
  border-color: var(--border-hover);
  box-shadow: 0 0 0 3px var(--focus-ring);
  outline: none;
}

.ip-copy:active {
  transform: translateY(1px);
}

.ip-value {
  font-size: 1.9rem;
  letter-spacing: 0.02em;
  word-break: break-all;
}

.ip6-value {
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    word-break: break-all;
}

.resolver-meta {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
}

.ip-address-value {
  letter-spacing: 0.02em;
  word-break: break-all;
}

[data-primary-ip-type="v4"] [data-primary-ip-value] {
  font-size: 1.9rem;
}

[data-primary-ip-type="v4"] [data-secondary-ip-value] {
  font-size: 0.9rem;
}

[data-primary-ip-type="v6"] [data-primary-ip-value] {
  font-size: 0.9rem;
}

[data-primary-ip-type="v6"] [data-secondary-ip-value] {
  font-size: 1.9rem;
}

.ip-copy .ip-value,
.ip-copy .ip6-value,
.ip-copy .ip-address-value {
  flex: 1;
}

.ip-row--inline .ip-value,
.ip-row--inline .ip6-value,
.ip-row--inline .ip-address-value {
  flex: 0 1 auto;
}

.ip-copy-icon {
  font-size: 1.2rem;
  color: var(--muted);
}

.ip-copy.is-flashing::after {
  content: attr(data-flash-label);
  position: absolute;
  top: 6px;
  right: 10px;
  padding: 2px 8px;
  background: var(--pill-positive-bg);
  border: 1px solid var(--pill-positive-border);
  border-radius: 999px;
  color: var(--pill-positive-text);
  font-weight: 700;
  font-size: 0.85rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


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

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--pill-positive-bg);
  border: 1px solid var(--pill-positive-border);
  color: var(--pill-positive-text);
  font-weight: 600;
  font-size: 0.95rem;
}

.pill-muted {
  background: var(--pill-muted-bg);
  border-color: var(--pill-muted-border);
  color: var(--pill-muted-text);
}

.stat-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.stat {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.stat-value {
  display: block;
  margin-top: 4px;
  font-weight: 700;
  color: var(--text);
  word-break: break-word;
}

.stat-value--db-date {
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 700;
  word-break: normal;
}

.stat-value--db-time {
  margin-top: 2px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--muted);
  word-break: normal;
}

.geo-semaphore {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-bg);
}

.geo-semaphore__light {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--surface-muted);
  opacity: 0.5;
}

.geo-semaphore--good .geo-semaphore__light--good {
  background: #22c55e;
  opacity: 1;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.2);
}

.geo-semaphore--warn .geo-semaphore__light--warn {
  background: #f59e0b;
  opacity: 1;
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
}

.geo-semaphore--bad .geo-semaphore__light--bad {
  background: #ef4444;
  opacity: 1;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.2);
}

.stat-semaphore {
  margin-top: 0;
  width: fit-content;
  flex-direction: column;
  gap: 4px;
  padding: 6px;
}

.stat-value-with-semaphore {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

.stat-value-with-semaphore .stat-value {
  margin-top: 0;
}

.hero-secondary {
  display: grid;
  gap: 14px;
}

.meta-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin: 0;
}

.meta-grid--compact dt {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-meta {
  margin-top: 4px;
}

/* ---------- Lookup form ---------- */

.lookup-form {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.lookup-field {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.lookup-input {
  flex: 1 1 320px;
  width: 100%;
  max-width: 48ch;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: #ffffff;
  color: var(--text);
  font-size: 1rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.08);
}

.lookup-input:focus {
  border-color: var(--link);
  box-shadow: 0 0 0 3px var(--focus-ring);
  outline: none;
}

.lookup-input::placeholder {
  color: #94a3b8;
}

.lookup-input--header {
  flex: 1 1 180px;
  max-width: 28ch;
  padding: 6px 10px;
  font-size: 0.9rem;
  border-radius: 6px;
}

.lookup-form--center {
  justify-items: center;
}

.lookup-field--center {
  justify-content: center;
}

.lookup-empty {
  min-height: 40vh;
  display: grid;
  place-items: center;
  text-align: center;
}

.lookup-empty__inner {
  width: 100%;
  max-width: 560px;
  display: grid;
  gap: 10px;
  justify-items: center;
}

.meta-grid dt {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.meta-grid dd {
  margin: 4px 0 0;
  font-weight: 700;
  color: var(--text);
  word-break: break-word;
}

/* ---------- Collapsible headers ---------- */

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

.collapsible__content {
  margin-top: 14px;
}

.collapsible__content[hidden] {
  display: none;
}

.headers-table-wrapper {
  margin-top: 12px;
}

.headers-table th,
.headers-table td {
  font-family: ui-monospace, SFMono-Regular, SFMono, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.headers-table thead th {
  background: var(--surface-muted);
  color: var(--muted);
}

.headers-table tbody th {
  color: var(--muted);
  width: 30%;
}

.headers-table tbody td {
  color: var(--text);
  word-break: break-word;
}

/* ---------- Buttons ---------- */

.btn,
.copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--card-bg);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn:hover,
.btn:focus-visible,
.copy:hover,
.copy:focus-visible {
  border-color: var(--border-hover);
  box-shadow: 0 0 0 3px var(--focus-ring);
  outline: none;
}

.btn:active,
.copy:active {
  transform: translateY(1px);
}

.btn-ghost {
  background: var(--surface-soft);
}

.btn-outline {
  background: var(--card-bg);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.btn-small {
  padding: 6px 10px;
  font-size: 0.9rem;
}

.btn-icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

.toggle .chevron {
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid currentColor;
  transition: transform 0.15s ease;
}

.toggle[data-expanded="true"] .chevron {
  transform: rotate(180deg);
}

/* ---------- Code & snippets ---------- */

.code-block {
  position: relative;
  margin: 8px 0;
  padding: 12px 14px;
  background: var(--code-bg);
  color: var(--code-text);
  border: 1px solid var(--code-border);
  border-radius: 10px;
  font-family: ui-monospace, SFMono-Regular, SFMono, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.code-block[hidden] {
  display: none;
}

.code-block code {
  font-size: 0.95rem;
  display: block;
  white-space: pre-wrap;
}

.code-block--tight {
  margin: 6px 0;
  padding: 10px 12px;
}

.code-block--tight code {
  font-size: 0.9rem;
}

.code-inline {
  display: grid;
  gap: 4px;
}

.code-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  color: var(--muted);
}

.code-example {
  width: 100%;
  margin-top: 6px;
  color: var(--code-muted);
}

.code-block .btn {
  position: static;
  background: var(--code-button-bg);
  color: var(--code-text);
  border-color: var(--code-button-border);
  box-shadow: none;
}

.code-block .btn:hover,
.code-block .btn:focus-visible {
  box-shadow: 0 0 0 3px var(--code-button-focus);
}

.bullets {
  padding-left: 1.1rem;
  margin: 8px 0 0;
  color: var(--muted);
}

/* ---------- Code tabs ---------- */

.code-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.code-tab {
  border: 1px solid var(--border);
  border-bottom: none;
  background: var(--surface-soft);
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 10px 10px 0 0;
  font-weight: 600;
  cursor: pointer;
}

.code-tab:hover,
.code-tab:focus-visible {
  color: var(--text);
  border-color: var(--border-hover);
  outline: none;
}

.code-tab.is-active {
  background: var(--card-bg);
  color: var(--text);
  border-color: var(--border-strong);
}

/* ---------- Info / FAQ ---------- */

.info-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  align-items: start;
}

.info-grid > * {
  align-self: start;
}

.info-grid .support-cta {
  grid-column: 1 / -1;
}

.info-grid .info-card--wide {
  grid-column: 1 / -1;
}

.info-card {
  display: grid;
  gap: 8px;
}

@media (max-width: 900px) {
  .info-grid {
    grid-template-columns: 1fr;
  }
}

.faq {
  display: grid;
  gap: 8px;
  margin: 0;
}

.faq dt {
  font-weight: 700;
  color: var(--text);
}

.faq dd {
  margin: 0;
  color: var(--muted);
}

.marketing {
  display: grid;
  gap: 16px;
  width: 100%;
  max-width: 980px;
  margin: 24px auto 32px;
}

.marketing-section + .marketing-section {
  margin-top: 8px;
}

.marketing-section h3 {
  margin: 0 0 6px;
}

.marketing-section p {
  margin: 0 0 6px;
  color: var(--muted);
}

.marketing-section ul {
  margin: 6px 0 0 16px;
  padding: 0;
  color: var(--muted);
}

.marketing-section li {
  margin: 4px 0;
}

/* ---------- Tables / legacy blocks ---------- */

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

table th,
table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

table thead th {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--surface-soft);
}

table tbody th {
  color: var(--muted);
}

table tbody tr:hover {
  background: var(--surface-soft);
}

.panel__body {
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.panel__summary {
  margin: 0;
  color: var(--muted);
}

.download-title {
  font-size: 1.6rem;
}

.download-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.6rem;
  text-decoration: none;
  color: var(--text);
}

.download-link__icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-soft);
  color: var(--text);
}

.download-link__icon svg {
  width: 22px;
  height: 22px;
}

.download-link:hover,
.download-link:focus-visible {
  color: var(--text);
}

.download-link:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
  border-radius: 10px;
}

.guide-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.guide-card h3 {
  margin: 0;
}

.guide-card__summary {
  margin: 8px 0 0;
  color: var(--muted);
}

.guide-card__links {
  margin: 8px 0 0 16px;
  padding: 0;
  color: var(--muted);
}

.actions-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.code-snippet pre {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, SFMono, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background: var(--surface-soft);
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.copy--snippet {
  margin-top: 8px;
}

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--border);
  padding: 18px 0 28px;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer__inner {
  display: grid;
  gap: 6px;
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page-bg: #0b1220;
    --card-bg: #0f172a;
    --surface-soft: #111b2e;
    --surface-muted: #0d1526;
    --frosted-bg: rgba(15, 23, 42, 0.88);
    --border: #1f2937;
    --border-strong: #24324a;
    --border-hover: #334155;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --link: #7dd3fc;
    --accent: #22c55e;
    --pill-positive-bg: rgba(34, 197, 94, 0.16);
    --pill-positive-border: rgba(34, 197, 94, 0.36);
    --pill-positive-text: #bbf7d0;
    --pill-muted-bg: rgba(148, 163, 184, 0.12);
    --pill-muted-border: #233044;
    --pill-muted-text: #cbd5e1;
    --code-bg: #0b1120;
    --code-border: #1e293b;
    --code-text: #e2e8f0;
    --code-muted: #cbd5e1;
    --code-button-bg: rgba(255, 255, 255, 0.08);
    --code-button-border: rgba(255, 255, 255, 0.16);
    --code-button-focus: rgba(255, 255, 255, 0.14);
    --focus-ring: rgba(56, 189, 248, 0.35);
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
    --glow-1: rgba(34, 197, 94, 0.08);
    --glow-2: rgba(59, 130, 246, 0.1);
  }

  .top-bar {
    border-color: var(--border);
  }

  .lookup-input {
    background: var(--surface-soft);
    color: var(--text);
    border-color: var(--border-strong);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.45);
  }

  .lookup-input::placeholder {
    color: var(--muted);
  }
}

/* ---------- Responsive tweaks ---------- */

@media (max-width: 640px) {
  .timestamp {
    text-align: left;
  }

  .top-bar__note {
    width: 100%;
  }

  .top-bar__lookup-field {
    width: 100%;
  }

  .lookup-input--header {
    max-width: none;
    flex: 1 1 100%;
  }
}