/* =============================================================
   Cloudflare Error Pages — Field Console theme.
   Monospace, dark-first, state-accented engineering console.
   ============================================================= */

:root {
  color-scheme: dark light;

  --bg: #08090b;
  --bg-tint: #0c0e12;
  --surface: rgba(255, 255, 255, 0.025);
  --surface-strong: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e5e7eb;
  --text-strong: #fafafa;
  --muted: #9ca0a8;
  --subtle: #6b6f78;
  --faint: rgba(229, 231, 235, 0.18);

  --accent: #f0e9d5;
  --accent-rgb: 240 233 213;

  --font: "Berkeley Mono", "JetBrains Mono", "IBM Plex Mono", "Fira Code", ui-monospace, "SFMono-Regular", "Cascadia Mono", "Source Code Pro", Menlo, Consolas, monospace;
}

.state-blocked   { --accent: #ff6850; --accent-rgb: 255 104 80; }
.state-limited   { --accent: #ffb547; --accent-rgb: 255 181 71; }
.state-challenge { --accent: #7df0a5; --accent-rgb: 125 240 165; }
.state-scan      { --accent: #7ddffc; --accent-rgb: 125 223 252; }
.state-server    { --accent: #7ea2ff; --accent-rgb: 126 162 255; }
.state-routing   { --accent: #ff7ab6; --accent-rgb: 255 122 182; }
.state-void      { --accent: #f0e9d5; --accent-rgb: 240 233 213; }

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f1ea;
    --bg-tint: #fafaf6;
    --surface: rgba(20, 20, 22, 0.035);
    --surface-strong: rgba(20, 20, 22, 0.06);
    --border: rgba(20, 20, 22, 0.10);
    --border-strong: rgba(20, 20, 22, 0.22);
    --text: #1a1c20;
    --text-strong: #000000;
    --muted: #4f535b;
    --subtle: #797d85;
    --faint: rgba(20, 20, 22, 0.14);
    --accent: #2a2c32;
    --accent-rgb: 42 44 50;
  }
  .state-blocked   { --accent: #b9341d; --accent-rgb: 185 52 29; }
  .state-limited   { --accent: #976115; --accent-rgb: 151 97 21; }
  .state-challenge { --accent: #15673c; --accent-rgb: 21 103 60; }
  .state-scan      { --accent: #1a6e8b; --accent-rgb: 26 110 139; }
  .state-server    { --accent: #2a4cb3; --accent-rgb: 42 76 179; }
  .state-routing   { --accent: #a82d68; --accent-rgb: 168 45 104; }
  .state-void      { --accent: #4d4d4d; --accent-rgb: 77 77 77; }
}

* { box-sizing: border-box; }

html {
  -webkit-font-smoothing: antialiased;
  text-size-adjust: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100dvh;
  font: 14px/1.55 var(--font);
  color: var(--text);
  background:
    radial-gradient(ellipse 70rem 50rem at 8% -5%, rgb(var(--accent-rgb) / 0.10), transparent 55%),
    radial-gradient(ellipse 50rem 40rem at 100% 110%, rgb(var(--accent-rgb) / 0.06), transparent 60%),
    var(--bg);
  position: relative;
  overflow-x: clip;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, var(--faint) 1px, transparent 1.4px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 0%, transparent 85%);
  opacity: 0.55;
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 14px;
  pointer-events: none;
  z-index: 0;
  background:
    linear-gradient(var(--border-strong),var(--border-strong)) top left/14px 1px no-repeat,
    linear-gradient(var(--border-strong),var(--border-strong)) top left/1px 14px no-repeat,
    linear-gradient(var(--border-strong),var(--border-strong)) top right/14px 1px no-repeat,
    linear-gradient(var(--border-strong),var(--border-strong)) top right/1px 14px no-repeat,
    linear-gradient(var(--border-strong),var(--border-strong)) bottom left/14px 1px no-repeat,
    linear-gradient(var(--border-strong),var(--border-strong)) bottom left/1px 14px no-repeat,
    linear-gradient(var(--border-strong),var(--border-strong)) bottom right/14px 1px no-repeat,
    linear-gradient(var(--border-strong),var(--border-strong)) bottom right/1px 14px no-repeat;
}

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Page shell ---------- */

.page {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  min-height: 100dvh;
  margin: 0 auto;
  padding: clamp(28px, 4vw, 56px);
  display: flex;
  flex-direction: column;
}

/* ---------- Topbar ---------- */

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.brand-mark {
  width: 14px;
  height: 14px;
  color: var(--accent);
  flex: 0 0 auto;
}

.brand-name {
  color: var(--text-strong);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.sep { color: var(--faint); }

.state-label {
  color: var(--accent);
  font-weight: 600;
}

.meta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 10px;
}

.meta-row {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.meta-key { color: var(--subtle); letter-spacing: 0.04em; }
.meta-value { color: var(--muted); }

.status-led {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgb(var(--accent-rgb) / 0.55);
  animation: led-pulse 2.4s ease-out infinite;
  flex: 0 0 auto;
}

@keyframes led-pulse {
  0%, 100% {
    box-shadow:
      0 0 0 0 rgb(var(--accent-rgb) / 0.55),
      0 0 8px rgb(var(--accent-rgb) / 0.55);
  }
  50% {
    box-shadow:
      0 0 0 7px rgb(var(--accent-rgb) / 0),
      0 0 8px rgb(var(--accent-rgb) / 0.4);
  }
}

/* ---------- Hero ---------- */

.hero {
  padding: clamp(56px, 12vh, 112px) 0 clamp(40px, 6vh, 72px);
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 3vh, 32px);
}

.eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  font-weight: 500;
}

.eyebrow::before {
  content: "//";
  color: var(--faint);
}

.code-block {
  display: inline-flex;
  align-items: flex-end;
  gap: clamp(20px, 3.5vw, 36px);
  margin: 0;
  position: relative;
}

.code-num {
  display: block;
  font-size: clamp(96px, 18vw, 224px);
  font-weight: 500;
  line-height: 0.85;
  letter-spacing: -0.045em;
  color: var(--text-strong);
  font-variant-numeric: tabular-nums;
  position: relative;
}

.code-num::after {
  content: "";
  position: absolute;
  left: 0;
  right: 12%;
  bottom: -14px;
  height: 3px;
  background: linear-gradient(to right, var(--accent), transparent);
  border-radius: 1px;
}

.code-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: clamp(8px, 1.4vw, 18px);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.code-meta-row {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.code-meta-key {
  color: var(--subtle);
  flex: 0 0 60px;
}

.code-meta-row:first-child { color: var(--text-strong); }
.code-meta-row:first-child .code-meta-key { color: var(--accent); }

.headline {
  margin: 0;
  max-width: 26ch;
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--text-strong);
}

.headline-lg {
  margin: 0;
  max-width: 22ch;
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--text-strong);
}

.body {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.65;
  color: var(--muted);
}

.body strong { color: var(--text-strong); font-weight: 500; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.action {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  text-decoration: none;
  border-radius: 2px;
  transition: border-color .15s, color .15s, background .15s;
}

.action::before { content: "["; color: var(--subtle); transition: color .15s; }
.action::after  { content: "]"; color: var(--subtle); transition: color .15s; }

.action:hover, .action:focus-visible {
  border-color: rgb(var(--accent-rgb) / 0.5);
  color: var(--text-strong);
  background: rgb(var(--accent-rgb) / 0.06);
}

.action:hover::before, .action:hover::after,
.action:focus-visible::before, .action:focus-visible::after {
  color: var(--accent);
}

.action .arrow {
  color: var(--accent);
  transition: transform .2s ease;
  display: inline-block;
}

.action:hover .arrow, .action:focus-visible .arrow {
  transform: translateX(3px);
}

.action--primary {
  border-color: rgb(var(--accent-rgb) / 0.45);
  background: rgb(var(--accent-rgb) / 0.08);
  color: var(--text-strong);
}

.action--primary:hover, .action--primary:focus-visible {
  border-color: var(--accent);
  background: rgb(var(--accent-rgb) / 0.16);
}

/* ---------- Diagnostics panel ---------- */

.panel {
  padding: clamp(28px, 4vh, 40px) 0;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
  gap: clamp(20px, 5vw, 56px);
  align-items: start;
}

.panel-heading h2 {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-strong);
}

.panel-heading p {
  margin: 0;
  font-size: 12px;
  color: var(--subtle);
  line-height: 1.55;
}

.diag {
  display: grid;
  gap: 8px;
  align-content: start;
}

.diag-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-variant-numeric: tabular-nums;
}

.diag-key {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 11px;
  flex: 0 0 auto;
  white-space: nowrap;
}

.diag-leader {
  flex: 1;
  min-width: 16px;
  border-bottom: 1px dashed var(--faint);
  align-self: end;
  margin-bottom: 5px;
}

.diag-value {
  color: var(--text-strong);
  font-size: 13px;
  flex: 0 1 auto;
  min-width: 0;
  text-align: right;
  overflow-wrap: anywhere;
}

/* ---------- Cloudflare-injected box ---------- */

.cf-box {
  margin-top: 16px;
  padding: 22px;
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  background: var(--surface-strong);
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  overflow-wrap: anywhere;
  border-radius: 2px;
}

.cf-box:empty { display: none; }

.cf-box h1,
.cf-box h2,
.cf-box h3 {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-strong);
}

.cf-box p { margin: 10px 0; }

.cf-box a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgb(var(--accent-rgb) / 0.4);
  text-underline-offset: 3px;
}

.cf-box ul, .cf-box ol { margin: 10px 0 0; padding-left: 22px; }

.cf-box input,
.cf-box button,
.cf-box select,
.cf-box textarea {
  max-width: 100%;
  font: inherit;
}

.cf-feature {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 36px) 0 clamp(8px, 2vh, 16px);
  border-top: 1px solid var(--border);
}

.cf-feature .cf-box {
  margin-top: 0;
  padding: clamp(20px, 3vw, 28px);
  background: var(--surface-strong);
  min-height: 96px;
}

.cf-feature-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
}

.cf-feature-label small {
  color: var(--subtle);
  letter-spacing: 0.06em;
  font-size: 10px;
}

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

.foot {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--subtle);
}

.foot-tag { color: var(--faint); }
.foot-text { margin: 0; color: var(--muted); }
.foot-meta { color: var(--subtle); }

/* ---------- Catalog (index) ---------- */

.catalog {
  padding: clamp(36px, 6vh, 72px) 0;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.6fr);
  gap: clamp(24px, 5vw, 56px);
}

.catalog-heading h2 {
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-strong);
}

.catalog-heading p {
  margin: 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: clip;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 22px;
  background: var(--bg-tint);
  color: var(--text);
  text-decoration: none;
  position: relative;
  min-height: 156px;
  transition: background .2s ease;
}

.card::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}

.card:hover, .card:focus-visible {
  background: rgb(var(--accent-rgb) / 0.06);
}

.card:hover::before, .card:focus-visible::before {
  transform: scaleX(1);
}

.card-eyebrow {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.card-code {
  font-size: 38px;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1;
  color: var(--text-strong);
  font-variant-numeric: tabular-nums;
  margin-top: 4px;
}

.card-label {
  margin-top: auto;
  padding-top: 24px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
}

.card-arrow {
  position: absolute;
  right: 18px;
  bottom: 16px;
  color: var(--accent);
  font-size: 14px;
  transition: transform .2s ease;
}

.card:hover .card-arrow, .card:focus-visible .card-arrow {
  transform: translate(3px, -1px);
}

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(8px);
  animation: reveal-in 700ms cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}

.r1 { animation-delay: 40ms; }
.r2 { animation-delay: 120ms; }
.r3 { animation-delay: 220ms; }
.r4 { animation-delay: 300ms; }
.r5 { animation-delay: 380ms; }
.r6 { animation-delay: 460ms; }

@keyframes reveal-in {
  to { opacity: 1; transform: none; }
}

/* ---------- Per-state ornaments ---------- */

.ornament {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--subtle);
}

.ornament-glyph {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
}

.ornament-glyph::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgb(var(--accent-rgb) / 0.6);
  animation: led-pulse 2.4s ease-out infinite;
}

.ornament-bar {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, rgb(var(--accent-rgb) / 0.35), transparent);
  max-width: 220px;
}

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

@media (max-width: 880px) {
  .hero { padding-top: clamp(40px, 8vh, 80px); }
  .code-block {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .code-meta { padding-bottom: 0; }
  .panel,
  .catalog {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .meta { gap: 12px; }
}

@media (max-width: 520px) {
  .page { padding: clamp(18px, 5vw, 28px); }
  .topbar { font-size: 10px; letter-spacing: 0.06em; }
  .meta {
    width: 100%;
    justify-content: flex-start;
    gap: 12px;
  }
  .catalog-grid { grid-template-columns: 1fr; }
  .card { min-height: 120px; }
  .action { flex: 1; justify-content: center; }
  body::after { inset: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; opacity: 1; transform: none; }
  .status-led, .ornament-glyph::before { animation: none; }
  .action .arrow { transition: none; }
  .card, .card::before { transition: none; }
}