/* First Seen - design system for the ctlogs frontend.
   Dark-first. Tokens are the only thing the theme paths redefine; every
   component reads through them, so no colour is ever declared inside a
   media query or a [data-theme] block. */

/* ── tokens: dark is the bare :root ──────────────────────────────── */
:root {
  --ground: #0C100E;
  --surface: #131916;
  --surface-2: #1A211D;
  --rule: #232C27;
  --rule-strong: #35413A;

  --ink: #E6EBE7;
  --ink-2: #9AA8A0;
  --ink-3: #6B7A72;

  --sage: #7FC29B;
  --sage-bright: #A8DCBF;
  --sage-quiet: #16241D;

  --rose: #E8798A;
  --rose-quiet: #2A1519;
  --brass: #D2A54C;
  --brass-quiet: #251C0E;

  --on-accent: #08110C;
  --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 14px 34px -18px rgba(0, 0, 0, .8);

  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --t-xs: .6875rem;
  --t-sm: .8125rem;
  --t-base: .9375rem;
  --t-md: 1.0625rem;
  --t-lg: 1.375rem;
  --t-xl: 2rem;
  --t-2xl: clamp(2.5rem, 6vw, 4.25rem);

  --radius: 4px;
  --radius-lg: 8px;
  --gutter: 5.5rem;
  --dur: 180ms;
  --ease: cubic-bezier(.2, .8, .25, 1);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --ground: #EDEFEA;
    --surface: #F6F7F3;
    --surface-2: #FBFCF9;
    --rule: #D6DBD2;
    --rule-strong: #B4BCB2;

    --ink: #171C19;
    --ink-2: #4C564F;
    --ink-3: #758078;

    --sage: #2F7A55;
    --sage-bright: #1E5C3E;
    --sage-quiet: #DFEBE3;

    --rose: #B03651;
    --rose-quiet: #F6E2E6;
    --brass: #8A6415;
    --brass-quiet: #F4EAD3;

    --on-accent: #FFFFFF;
    --shadow: 0 1px 2px rgba(23, 28, 25, .06), 0 14px 34px -18px rgba(23, 28, 25, .28);
  }
}

:root[data-theme="light"] {
  --ground: #EDEFEA;
  --surface: #F6F7F3;
  --surface-2: #FBFCF9;
  --rule: #D6DBD2;
  --rule-strong: #B4BCB2;

  --ink: #171C19;
  --ink-2: #4C564F;
  --ink-3: #758078;

  --sage: #2F7A55;
  --sage-bright: #1E5C3E;
  --sage-quiet: #DFEBE3;

  --rose: #B03651;
  --rose-quiet: #F6E2E6;
  --brass: #8A6415;
  --brass-quiet: #F4EAD3;

  --on-accent: #FFFFFF;
  --shadow: 0 1px 2px rgba(23, 28, 25, .06), 0 14px 34px -18px rgba(23, 28, 25, .28);
}

/* ── base ────────────────────────────────────────────────────────── */
* { box-sizing: border-box; }
[hidden] { display: none !important; }

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

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--display);
  font-size: var(--t-base);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.02em;
  text-wrap: balance;
}

p { margin: 0; }
a { color: var(--sage); text-decoration-color: color-mix(in srgb, var(--sage) 45%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--sage); }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: 0s !important; }
}

/* ── shared type roles ───────────────────────────────────────────── */
.eyebrow {
  font-family: var(--mono);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.wrap {
  width: min(1080px, 100% - 3rem);
  margin-inline: auto;
}

/* ── top bar ─────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--ground) 88%, transparent);
  backdrop-filter: blur(10px);
}

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-block: .7rem;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  font-family: var(--mono);
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--on-accent);
  background: var(--sage);
  border-radius: 3px;
  padding: .1rem .34rem;
}

.brand-name { font-weight: 700; letter-spacing: -.02em; }

.topbar-spacer { flex: 1; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .22rem .55rem;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  background: var(--surface);
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-2);
  white-space: nowrap;
}

.chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sage);
  flex: none;
}

.chip.is-quiet::before { background: var(--ink-3); }
.chip.is-warn::before { background: var(--brass); }
.chip.is-alert::before { background: var(--rose); }

/* ── live ticker: the index counting up in the top bar ───────────── */
.ticker {
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .04em;
  color: var(--ink-3);
  white-space: nowrap;
}

.ticker-dot {
  align-self: center;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-3);
  flex: none;
  transition: background var(--dur) var(--ease);
}

.ticker-dot.is-live { background: var(--sage); animation: ticker-pulse 2.6s var(--ease) infinite; }
.ticker-dot.is-down { background: var(--rose); }

@keyframes ticker-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

.ticker-value {
  color: var(--ink);
  font-size: var(--t-sm);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.ticker.is-down .ticker-value { color: var(--rose); }

@media (max-width: 560px) {
  .ticker-label { display: none; }
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--rule-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-2);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.theme-toggle:hover { color: var(--ink); border-color: var(--ink-3); }
.theme-toggle svg { width: 15px; height: 15px; }

/* ── hero ────────────────────────────────────────────────────────── */
.hero { padding-block: clamp(3rem, 8vw, 6rem) 2.5rem; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
}

.hero-title {
  font-size: var(--t-2xl);
  font-weight: 800;
  letter-spacing: -.045em;
  margin-block: .9rem .9rem;
}

.hero-title em {
  font-style: normal;
  color: var(--sage);
}

.hero-lede {
  color: var(--ink-2);
  font-size: var(--t-md);
  max-width: 46ch;
}

/* ── search ──────────────────────────────────────────────────────── */
.search { margin-top: 1.9rem; }

.search-row {
  display: flex;
  gap: .5rem;
  align-items: stretch;
}

.search-field {
  position: relative;
  flex: 1;
  min-width: 0;
}

.search-input {
  width: 100%;
  padding: .8rem .9rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--surface-2);
  font-family: var(--mono);
  font-size: var(--t-base);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.search-input::placeholder { color: var(--ink-3); }

.search-input:focus {
  outline: none;
  border-color: var(--sage);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sage) 18%, transparent);
}

.search-submit {
  padding: .8rem 1.15rem;
  border: 1px solid var(--sage);
  border-radius: var(--radius);
  background: var(--sage);
  color: var(--on-accent);
  font-weight: 700;
  letter-spacing: -.01em;
  white-space: nowrap;
  transition: filter var(--dur) var(--ease);
}

.search-submit:hover { filter: brightness(1.08); }
.search-submit:disabled { opacity: .55; cursor: progress; }

.search-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem 1rem;
  margin-top: .7rem;
}

.search-error {
  margin-top: .7rem;
  padding: .6rem .75rem;
  border: 1px solid color-mix(in srgb, var(--rose) 40%, var(--rule));
  border-left: 3px solid var(--rose);
  border-radius: var(--radius);
  background: var(--rose-quiet);
  color: var(--ink);
  font-size: var(--t-sm);
}

.search-error strong { color: var(--rose); }

/* ── quota meter: the shared 1000/day allowance, shown honestly ──── */
.quota {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--mono);
  font-size: var(--t-xs);
  color: var(--ink-3);
  letter-spacing: .04em;
}

.quota-track {
  width: 74px;
  height: 4px;
  border-radius: 999px;
  background: var(--rule);
  overflow: hidden;
}

.quota-fill {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--sage);
  transition: width var(--dur) var(--ease), background var(--dur) var(--ease);
}

.quota-fill.is-low { background: var(--brass); }
.quota-fill.is-spent { background: var(--rose); }

/* A spent allowance is a zero-width fill, so the track carries the alarm. */
.quota.is-spent { color: var(--rose); }
.quota.is-spent .quota-track { background: var(--rose-quiet); box-shadow: inset 0 0 0 1px var(--rose); }

/* ── source panel: where the names come from ─────────────────────── */
.stance {
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: 1.15rem 1.25rem 1.25rem;
  box-shadow: var(--shadow);
}

.stance-intro {
  margin-top: .7rem;
  color: var(--ink-2);
  font-size: var(--t-sm);
}

.stance-list {
  display: grid;
  gap: 0;
  margin-top: .85rem;
}

.stance-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: .5rem;
  padding-block: .55rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: var(--t-sm);
}

.stance-row:first-child { border-top: 0; }

.stance-label { color: var(--ink-2); }

.stance-value {
  color: var(--sage);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.stance-value.is-never { color: var(--rose); }
.stance-value.is-quiet { color: var(--ink-3); }

/* The family the index leans on hardest, lit so the table has a lead row. */
.stance-row.is-primary .stance-label { color: var(--sage); font-weight: 600; }
.stance-row.is-primary { background: var(--sage-quiet); margin-inline: -1.25rem; padding-inline: 1.25rem; }

.stance-note {
  margin-top: .9rem;
  padding-top: .85rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-3);
  font-size: var(--t-sm);
  font-style: italic;
}

/* ── wire strip: what the index holds right now ──────────────────── */
.wire {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  background: var(--rule);
  overflow: hidden;
}

.wire-cell {
  background: var(--surface);
  padding: 1rem 1.15rem 1.1rem;
}

.wire-label {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.wire-value {
  margin-top: .5rem;
  font-size: var(--t-lg);
  font-weight: 500;
  letter-spacing: -.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.wire-value.is-rising { color: var(--sage); }
.wire-value.is-down { color: var(--rose); font-size: var(--t-base); }

.wire-note {
  margin-top: .3rem;
  font-size: var(--t-xs);
  color: var(--ink-3);
}

.wire-note.is-gain { color: var(--sage); }

/* ── using the API directly ──────────────────────────────────────── */
.wireup { padding-block: 1rem 3.5rem; }

.wireup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  padding-top: 2.5rem;
  border-top: 1px solid var(--rule);
}

.wireup-title {
  font-size: var(--t-xl);
  font-weight: 700;
  letter-spacing: -.03em;
  margin-block: .6rem .8rem;
}

.wireup p {
  color: var(--ink-2);
  font-size: var(--t-sm);
  max-width: 54ch;
}

.wireup p + p { margin-top: .8rem; }

.wireup-code {
  margin-top: 1.1rem;
  padding: .85rem 1rem;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: var(--t-sm);
  color: var(--sage);
  overflow-x: auto;
  line-height: 1.7;
}

/* ── the register: results as a dated ledger ─────────────────────── */
.register {
  padding-block: 1rem 4rem;
  scroll-margin-top: 4.5rem;
}

.register-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--rule-strong);
}

.register-title { font-size: var(--t-xl); font-weight: 700; }
.register-title .apex { font-family: var(--mono); font-weight: 500; letter-spacing: -.03em; }

.register-count {
  font-family: var(--mono);
  font-size: var(--t-sm);
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

.register-tools { display: flex; gap: .4rem; flex-wrap: wrap; }

.tool {
  padding: .3rem .6rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--surface);
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.tool:hover { color: var(--ink); border-color: var(--ink-3); }

/* histogram: names entering the record per year */
.shape { margin-top: 1.6rem; }

.shape-bars,
.shape-axis { width: var(--shape-width, 100%); }

.shape-bars {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 128px;
  margin-top: .9rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid var(--rule);
}

/* The cell holds the axis position; the bar inside it holds the width. */
.shape-cell {
  flex: 1;
  min-width: 4px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 100%;
}

.shape-bar {
  width: 100%;
  max-width: 46px;
  background: color-mix(in srgb, var(--sage) 26%, transparent);
  border-top: 2px solid var(--sage);
  border-radius: 1px 1px 0 0;
  position: relative;
  transition: background var(--dur) var(--ease);
}

.shape-bar:hover { background: color-mix(in srgb, var(--sage) 55%, transparent); }

.shape-bar[data-peak="true"] { background: color-mix(in srgb, var(--sage) 46%, transparent); }

.shape-bar[data-empty="true"] { border-top-color: var(--rule-strong); background: transparent; }

.shape-peak {
  color: var(--sage);
  font-variant-numeric: tabular-nums;
  text-transform: none;
  letter-spacing: .08em;
}

.shape-axis {
  display: flex;
  gap: 5px;
  margin-top: .35rem;
}

.shape-tick {
  flex: 1;
  min-width: 4px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .02em;
  color: var(--ink-3);
  text-align: center;
  white-space: nowrap;
}

/* the ledger itself */
.ledger { margin-top: 2rem; }

.ledger-year {
  display: grid;
  grid-template-columns: var(--gutter) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
  padding-block: 1.1rem;
  border-top: 1px solid var(--rule);
}

@media (max-width: 640px) {
  .ledger-year { grid-template-columns: minmax(0, 1fr); gap: .5rem; }
}

.ledger-gutter {
  position: sticky;
  top: 4.2rem;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.ledger-gutter-year {
  font-size: var(--t-lg);
  font-weight: 600;
  letter-spacing: -.03em;
  color: var(--ink);
  line-height: 1;
}

.ledger-gutter-year.is-undated {
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--ink-3);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.ledger-gutter-count {
  margin-top: .3rem;
  font-size: var(--t-xs);
  color: var(--ink-3);
  letter-spacing: .04em;
}

.ledger-rows { display: grid; }

.ledger-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: .5rem;
  padding-block: .34rem;
  font-family: var(--mono);
  font-size: var(--t-sm);
  line-height: 1.5;
}

.ledger-row + .ledger-row { border-top: 1px dotted var(--rule); }

.ledger-name {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
}

/* the label part of a hostname reads quieter than the apex it hangs off */
.ledger-name .apex-part { color: var(--ink-3); }

.ledger-date {
  font-size: var(--t-xs);
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ── states ──────────────────────────────────────────────────────── */
.state {
  padding: 2.75rem 1.5rem;
  border: 1px dashed var(--rule-strong);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--ink-2);
}

.state-title { font-weight: 700; color: var(--ink); margin-bottom: .35rem; }
.state-body { font-size: var(--t-sm); max-width: 48ch; margin-inline: auto; }

.skeleton { display: grid; gap: .5rem; margin-top: 2rem; }

.skeleton-row {
  height: 12px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%);
  background-size: 200% 100%;
  animation: sweep 1.1s linear infinite;
}

@keyframes sweep { to { background-position: -200% 0; } }

/* ── docs ────────────────────────────────────────────────────────── */
.docs { padding-block: 3rem 4.5rem; border-top: 1px solid var(--rule); }

.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(224px, 1fr));
  gap: 2rem;
  margin-top: 1.6rem;
}

.doc-block h3 { font-size: var(--t-md); margin-bottom: .5rem; }
.doc-block p { color: var(--ink-2); font-size: var(--t-sm); }

.doc-endpoint {
  display: block;
  margin-bottom: .4rem;
  font-family: var(--mono);
  font-size: var(--t-sm);
  color: var(--sage);
  overflow-wrap: anywhere;
}

.doc-verb { color: var(--ink-3); }

.footer {
  padding-block: 1.5rem 2.5rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.25rem;
  align-items: center;
  font-family: var(--mono);
  font-size: var(--t-xs);
  color: var(--ink-3);
  letter-spacing: .04em;
}