:root {
  --bg: #09111f;
  --bg-soft: #101b30;
  --panel: rgba(16, 27, 48, 0.92);
  --panel-2: rgba(13, 22, 39, 0.95);
  --border: rgba(164, 186, 221, 0.14);
  --text: #edf4ff;
  --muted: #9bb0cf;
  --accent: #ff8d3f;
  --accent-soft: rgba(255, 141, 63, 0.15);
  --success: #42c992;
  --radius: 18px;
  --shadow: 0 22px 50px rgba(0, 0, 0, 0.28);
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --sans: "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(255, 141, 63, 0.12), transparent 22%),
    radial-gradient(circle at left center, rgba(31, 130, 192, 0.14), transparent 18%),
    linear-gradient(180deg, #07101d, #0b1525 45%, #08111d 100%);
  font-family: var(--sans);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 100% 28px;
  opacity: 0.3;
}

.shell {
  width: min(1640px, calc(100vw - 28px));
  margin: 14px auto 28px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.85fr);
  gap: 18px;
  margin-bottom: 18px;
}

.panel,
.topbar-note {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.topbar-note,
.panel {
  padding: 16px;
}

.eyebrow,
.muted,
label span,
input,
select,
textarea,
button,
code,
pre,
table {
  font-family: var(--mono);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
}

.eyebrow.small {
  font-size: 11px;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 0.95;
}

.lede,
.muted,
.note-list li,
.insight-card p {
  color: var(--muted);
  line-height: 1.55;
}

.topbar-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font: 700 12px/1.2 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.link-button,
.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(164, 186, 221, 0.16);
  border-radius: 999px;
  padding: 11px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  text-decoration: none;
  cursor: pointer;
}

.copy-button {
  background: var(--accent);
  color: #1c150f;
  border-color: transparent;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stat-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.6rem;
}

.workspace {
  display: grid;
  grid-template-columns: 420px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.catalog-shell,
.playground-shell {
  min-width: 0;
}

.catalog-panel {
  position: sticky;
  top: 14px;
}

.panel-head,
.host-head,
.hero-top,
.request-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.filters {
  display: grid;
  gap: 12px;
  margin: 16px 0 18px;
}

label {
  display: grid;
  gap: 8px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(164, 186, 221, 0.15);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  padding: 12px 14px;
  font-size: 13px;
}

textarea {
  min-height: 180px;
  resize: vertical;
  line-height: 1.55;
}

.body-input {
  min-height: 260px;
}

.host-group + .host-group {
  margin-top: 18px;
}

.api-card-list {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.api-card {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(164, 186, 221, 0.1);
  background: rgba(255, 255, 255, 0.025);
}

.api-card-head {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

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

.method-button {
  border: 1px solid rgba(164, 186, 221, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 10px 12px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.method-button.active {
  border-color: rgba(255, 141, 63, 0.38);
  background: rgba(255, 141, 63, 0.12);
}

.method-label,
.method-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  padding: 5px 10px;
  border-radius: 999px;
  font: 700 11px/1 var(--mono);
}

.method-get {
  background: rgba(66, 201, 146, 0.14);
  color: var(--success);
}

.method-post {
  background: rgba(255, 141, 63, 0.14);
  color: var(--accent);
}

.method-patch,
.method-put {
  background: rgba(77, 152, 255, 0.14);
  color: #73a7ff;
}

.method-delete {
  background: rgba(255, 96, 96, 0.14);
  color: #ff8f8f;
}

.playground-stack {
  display: grid;
  gap: 18px;
}

.timeline-list {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.timeline-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(164, 186, 221, 0.12);
  background: rgba(255, 255, 255, 0.025);
}

.timeline-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.timeline-title {
  display: flex;
  gap: 12px;
  align-items: start;
}

.timeline-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font: 700 12px/1 var(--mono);
}

.timeline-load-button {
  white-space: nowrap;
}

.timeline-details {
  border: 1px solid rgba(164, 186, 221, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.timeline-details summary {
  cursor: pointer;
  padding: 12px 14px;
  color: var(--muted);
  font: 700 12px/1.4 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.timeline-details pre {
  border-radius: 0;
}

.timeline-read-list {
  display: grid;
  gap: 10px;
  padding: 0 14px 14px;
}

.timeline-read-item {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

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

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

.meta-pill {
  display: inline-grid;
  gap: 4px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(164, 186, 221, 0.12);
  background: rgba(255, 255, 255, 0.03);
  font-family: var(--mono);
  font-size: 12px;
}

.meta-pill strong {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.request-line {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.resolved-url {
  display: grid;
  gap: 8px;
  margin: 16px 0;
}

.resolved-url span,
.spec-subhead {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--mono);
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.subpanel {
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(164, 186, 221, 0.12);
  background: rgba(255, 255, 255, 0.025);
}

.value-table {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.value-row {
  display: grid;
  gap: 6px;
}

.value-row span {
  color: var(--muted);
  font-size: 12px;
}

.table-wrap {
  overflow: auto;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.spec-table th,
.spec-table td {
  text-align: left;
  vertical-align: top;
  padding: 10px 0;
  border-bottom: 1px solid rgba(164, 186, 221, 0.08);
  word-break: break-word;
}

.spec-table th {
  color: var(--muted);
  padding-right: 12px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.spec-grid {
  align-items: start;
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.insight-card {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(164, 186, 221, 0.12);
  background: rgba(255, 255, 255, 0.03);
}

.insight-card strong {
  display: block;
  margin-bottom: 6px;
}

.note-list {
  margin: 10px 0 0;
  padding-left: 18px;
}

pre,
code {
  font-family: var(--mono);
}

pre {
  margin: 0;
  padding: 16px;
  overflow: auto;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(6, 12, 22, 0.96), rgba(9, 16, 30, 0.96));
  color: #dbe7fb;
  line-height: 1.55;
}

code {
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.empty-state {
  text-align: center;
  color: var(--muted);
}

@media (max-width: 1240px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .catalog-panel {
    position: static;
  }
}

@media (max-width: 840px) {
  .topbar,
  .stats,
  .grid-two {
    grid-template-columns: 1fr;
  }

  .timeline-head,
  .timeline-title {
    flex-direction: column;
  }
}