:root {
  --ink: #1c1915;
  --ink-soft: #4e463c;
  --paper: #f4efe4;
  --paper-2: #e7e0d1;
  --sheet: #fbf7ef;
  --line: #d5cbb8;
  --mast: #171512;
  --mast-text: #f6f1e6;
  --copper: #9a4d24;
  --verified: #1b5e3b;
  --verified-bg: #e3f2e8;
  --pending: #8a5610;
  --pending-bg: #f8edd4;
  --mismatch: #8f1d18;
  --mismatch-bg: #fbe6e2;
  --solid: #2e3d52;
  --solid-bg: #e4e9f0;
  --unknown: #6d655b;
  --shadow: 0 1px 0 rgba(28, 25, 21, 0.06);
  --sans:
    "Liberation Sans", "Nimbus Sans", "DejaVu Sans", "Segoe UI", sans-serif;
  --serif:
    "Liberation Serif", "Nimbus Roman", "Palatino Linotype", Palatino, Georgia,
    serif;
  --mono: "Liberation Mono", "DejaVu Sans Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(23, 21, 18, 0.03), transparent 180px),
    var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.45;
}

button,
input {
  font: inherit;
  color: inherit;
}

.mast {
  background: var(--mast);
  color: var(--mast-text);
}

.mast-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 24px 14px;
}

.eyebrow {
  margin: 0 0 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: #c8bba6;
}

.title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px 22px;
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 2.2rem;
  letter-spacing: -0.03em;
  line-height: 0.95;
}

.motto {
  margin: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.35rem;
  color: #e4d3b4;
}

.lede {
  max-width: 42rem;
  margin: 8px 0 0;
  color: #ddd4c4;
  font-size: 0.95rem;
}

.beats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.beats li {
  padding: 4px 10px;
  border: 1px solid #3c3832;
  border-radius: 999px;
  color: #e7dcc8;
  font-size: 0.82rem;
}

.beats li::before {
  content: counter(beat) "  ";
  color: #c98455;
  font-family: var(--mono);
}

.beats {
  counter-reset: beat;
}

.beats li {
  counter-increment: beat;
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 24px 40px;
}

.toolbar,
.filters,
.workspace,
.hint {
  margin-top: 14px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
  justify-content: space-between;
}

.health {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 0;
  min-width: 16rem;
  flex: 1;
}

.dot {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--unknown);
  flex: none;
}

.dot.ok {
  background: var(--verified);
}

.dot.bad {
  background: var(--mismatch);
}

.dot.wait {
  background: var(--pending);
}

.health small {
  display: block;
  color: var(--ink-soft);
}

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

button,
.button {
  border: 1px solid var(--ink);
  background: var(--sheet);
  border-radius: 4px;
  padding: 7px 12px;
  cursor: pointer;
}

button:hover,
.button:hover {
  background: #fff;
}

button:focus-visible,
input:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

button:disabled {
  cursor: wait;
  opacity: 0.6;
}

.ghost {
  background: transparent;
}

.danger {
  background: var(--mismatch);
  border-color: var(--mismatch);
  color: #fffaf7;
}

.danger:hover {
  background: #741712;
}

.auto {
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: 0.92rem;
}

details.endpoints {
  border: 1px solid var(--line);
  background: var(--sheet);
  border-radius: 4px;
  padding: 4px 10px 6px;
}

details.endpoints summary {
  cursor: pointer;
}

.endpoints form {
  display: grid;
  gap: 8px;
  margin-top: 8px;
  min-width: min(100%, 280px);
}

.endpoints label {
  display: grid;
  gap: 3px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.endpoints input {
  border: 1px solid var(--line);
  background: #fff;
  padding: 6px 8px;
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--ink);
}

.endpoint-actions {
  display: flex;
  gap: 8px;
}

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

.filters button {
  background: transparent;
}

.filters button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--mast-text);
}

.count {
  font-family: var(--mono);
  font-size: 0.82rem;
}

.search {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-left: auto;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.search input {
  width: 16rem;
  max-width: 100%;
  border: 1px solid var(--line);
  background: var(--sheet);
  padding: 7px 8px;
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink);
}

.hint,
.empty,
.pitch,
.check span,
.demo p,
.colophon,
.health small {
  color: var(--ink-soft);
}

.hint,
.empty {
  margin: 8px 0 0;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
  gap: 18px;
  align-items: start;
}

.timeline,
.detail {
  background: var(--sheet);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.timeline {
  padding: 8px 8px 14px;
  min-height: 240px;
}

.flow {
  margin: 8px 8px 14px;
}

.flow-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 6px;
  font-size: 0.95rem;
}

.flow-label b {
  font-family: var(--mono);
  font-weight: 600;
}

.flow-kicker {
  color: var(--copper);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.68rem;
  margin-right: 6px;
}

.events {
  list-style: none;
  margin: 0;
  padding: 0 0 0 16px;
  border-left: 1px solid var(--line);
}

.event {
  position: relative;
  display: grid;
  grid-template-columns: 5.6rem minmax(0, 1fr);
  gap: 2px 10px;
  width: 100%;
  margin: 0 0 6px;
  padding: 8px 10px;
  text-align: left;
  background: transparent;
  border-color: transparent;
}

.event::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 16px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--sheet);
  border-radius: 50%;
  background: var(--unknown);
}

.event[data-status="VERIFIED"]::before {
  background: var(--verified);
}

.event[data-status="PENDING"]::before {
  background: var(--pending);
}

.event[data-status="PAYLOAD_MISMATCH"]::before {
  background: var(--mismatch);
}

.event[data-status="NOT_SOLID"]::before {
  background: var(--solid);
}

.event.is-alarm {
  background: #f8f1e6;
}

.event[aria-current="true"] {
  border-color: var(--ink);
  background: #fff;
}

.event-time,
.event-id,
.mono,
pre,
.delta b {
  font-family: var(--mono);
}

.event-time {
  color: var(--ink-soft);
  font-size: 0.78rem;
  padding-top: 3px;
}

.event-main {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  align-items: center;
  min-width: 0;
}

.event-tag,
.event-id {
  overflow-wrap: anywhere;
}

.event-id {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.stamp {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 2px;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  font-weight: 700;
}

.stamp[data-status="VERIFIED"] {
  background: var(--verified-bg);
  color: var(--verified);
}

.stamp[data-status="PENDING"] {
  background: var(--pending-bg);
  color: var(--pending);
}

.stamp[data-status="PAYLOAD_MISMATCH"] {
  background: var(--mismatch-bg);
  color: var(--mismatch);
}

.stamp[data-status="NOT_SOLID"] {
  background: var(--solid-bg);
  color: var(--solid);
}

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

.detail {
  position: sticky;
  top: 12px;
  max-height: calc(100vh - 24px);
  overflow: auto;
  padding: 16px 16px 18px;
}

.detail h2 {
  margin: 6px 0 2px;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.block-line {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 0.82rem;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 10px 0 0;
}

.links a {
  color: var(--copper);
}

.stamp.large {
  font-size: 0.84rem;
  padding: 4px 8px;
}

.pitch {
  margin: 8px 0;
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.check {
  display: grid;
  grid-template-columns: 5.2rem minmax(0, 1fr);
  gap: 8px;
  padding: 5px 0;
  border-bottom: 1px solid var(--line);
}

.check b {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.check.pass b {
  color: var(--verified);
}

.check.fail b {
  color: var(--mismatch);
}

.check.wait b {
  color: var(--pending);
}

.check.unknown b {
  color: var(--unknown);
}

.check small {
  display: block;
  margin-top: 2px;
  font-size: 0.82rem;
}

.compare {
  margin-top: 16px;
}

.compare.is-mismatch {
  padding: 12px;
  background: var(--mismatch-bg);
  border: 1px solid #e3b2ab;
}

.compare h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.delta {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 10px;
  background: #fff;
}

.delta th,
.delta td {
  border-bottom: 1px solid var(--line);
  padding: 6px 8px;
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

.delta th {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}

.delta tr.diff td {
  background: #fff6f4;
}

.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.columns h4 {
  margin: 0 0 6px;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

pre {
  margin: 0;
  padding: 10px;
  overflow: auto;
  max-height: 280px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 0.78rem;
  line-height: 1.4;
  white-space: pre-wrap;
}

.columns .differs pre {
  border-color: #c98455;
}

.demo {
  margin-top: 10px;
}

.demo .row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.demo p,
.notice,
.action-error {
  margin: 8px 0 0;
  font-size: 0.92rem;
}

.action-error {
  color: var(--mismatch);
}

.colophon {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 28px;
  font-size: 0.85rem;
}

.event-title {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.verdict {
  margin: 10px 0 0;
  padding: 8px 12px;
  border-left: 3px solid var(--mismatch);
  background: var(--mismatch-bg);
  font-weight: 600;
}

.walkthrough {
  margin-bottom: 14px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #f4efe2;
}

.walk-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.walk-kicker {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper);
}

.walk-dismiss {
  border: none;
  background: none;
  padding: 0;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.72rem;
  cursor: pointer;
}

.walk-dismiss:hover {
  color: var(--ink);
  text-decoration: underline;
}

.walk-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 5px;
}

.walk-steps li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.walk-steps li.done {
  color: var(--ink);
}

.walk-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.1rem;
  height: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.walk-steps li.done .walk-num {
  background: var(--verified);
  border-color: var(--verified);
  color: #fffaf7;
}

.skeleton {
  list-style: none;
  margin: 8px;
  padding: 0 0 0 16px;
  border-left: 1px solid var(--line);
}

.skeleton-row {
  height: 3.1rem;
  margin-bottom: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, #ece5d4 25%, #f6f1e4 50%, #ece5d4 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease infinite;
}

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

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%) translateY(0.8rem);
  background: var(--mast);
  color: var(--mast-text);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 9px 14px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
  z-index: 40;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.id-btn {
  border: none;
  background: none;
  padding: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  overflow-wrap: anywhere;
}

.id-btn:hover {
  color: var(--copper);
  text-decoration: underline;
}

.link-btn {
  border: none;
  background: none;
  padding: 0;
  color: var(--copper);
  font: inherit;
  cursor: pointer;
}

.link-btn:hover {
  text-decoration: underline;
}

.columns h4 small {
  display: block;
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.08em;
}

.demo button.primary {
  background: var(--verified);
  border-color: var(--verified);
  color: #fffaf7;
}

.demo button.primary:hover {
  background: #14462c;
}

@keyframes stamp-flip {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.18);
  }
  100% {
    transform: scale(1);
  }
}

.stamp-flip {
  animation: stamp-flip 0.7s ease;
}

@keyframes mismatch-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(143, 29, 24, 0.4);
  }
  100% {
    box-shadow: 0 0 0 14px rgba(143, 29, 24, 0);
  }
}

.pulse-once {
  animation: mismatch-pulse 1.1s ease-out 1;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 900px) {
  h1 {
    font-size: 2.4rem;
  }

  .workspace,
  .columns,
  .check {
    grid-template-columns: 1fr;
  }

  .detail {
    position: static;
    order: -1;
    max-height: none;
  }

  .search {
    margin-left: 0;
    width: 100%;
  }

  .search input {
    width: 100%;
  }

  .block-line {
    word-break: break-all;
  }

  .toast {
    max-width: 92vw;
    text-align: center;
  }
}