html {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

:root {
  --bg: #050707;
  --panel: rgba(10, 14, 15, 0.9);
  --line: rgba(79, 221, 248, 0.18);
  --line-soft: rgba(255, 255, 255, 0.08);
  --red: #ff675f;
  --gold: #f0be6d;
  --cyan: #53dfff;
  --text: #f0f1df;
  --text-soft: rgba(240, 241, 223, 0.78);
  --text-dim: rgba(240, 241, 223, 0.48);
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", monospace;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.46);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at 14% 10%, rgba(255, 103, 95, 0.14), transparent 24%),
    radial-gradient(circle at 88% 16%, rgba(83, 223, 255, 0.12), transparent 24%),
    linear-gradient(180deg, #040606 0%, #091111 58%, #050707 100%);
}

.ambient {
  position: fixed;
  width: 36rem;
  height: 36rem;
  border-radius: 999px;
  filter: blur(90px);
  opacity: 0.16;
  pointer-events: none;
}

.ambient-a {
  top: -12rem;
  right: -10rem;
  background: #8d251d;
}

.ambient-b {
  left: -12rem;
  bottom: -14rem;
  background: #0e5f6f;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.84' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1440px, calc(100vw - 36px));
  margin: 0 auto;
  padding: 18px 0 50px;
}

.frame {
  position: relative;
  background: linear-gradient(180deg, rgba(13, 17, 18, 0.96), rgba(8, 11, 12, 0.94));
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.frame::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 20px;
  pointer-events: none;
}

.topbar,
.layout {
  display: grid;
  gap: 18px;
}

.topbar {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  padding: 16px 18px;
  margin-bottom: 18px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  border-radius: 20px;
  border: 1px solid rgba(255, 103, 95, 0.34);
  background:
    radial-gradient(circle at 50% 35%, rgba(255, 103, 95, 0.3), transparent 48%),
    linear-gradient(180deg, rgba(39, 9, 9, 0.98), rgba(12, 5, 5, 0.96));
  color: var(--red);
  font-family: var(--font-display);
  font-size: 2.2rem;
  text-shadow: 0 0 24px rgba(255, 103, 95, 0.38);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.brand-name,
.content-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 0.96;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

.ghost-link,
button.ghost-link,
input {
  font: inherit;
}

.ghost-link {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}

.layout {
  grid-template-columns: minmax(280px, 320px) minmax(0, 1fr);
}

.sidebar,
.content {
  padding: 24px;
}

.sidebar-head,
.content-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid rgba(83, 223, 255, 0.24);
  background: rgba(6, 27, 32, 0.9);
  color: var(--cyan);
  font-family: var(--font-mono);
}

.search-block {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  color: var(--text-soft);
}

input {
  width: 100%;
  border: 1px solid var(--line-soft);
  background: rgba(2, 8, 9, 0.84);
  color: var(--text);
  border-radius: 16px;
  padding: 15px 16px;
  outline: none;
}

.section-nav {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.section-link {
  display: block;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(83, 223, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-soft);
  text-decoration: none;
}

.status-line {
  margin: 16px 0 0;
  color: var(--text-soft);
}

.docs-content {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.doc-section,
.doc-block {
  border-radius: 18px;
  border: 1px solid rgba(83, 223, 255, 0.16);
  background: linear-gradient(180deg, rgba(7, 11, 12, 0.96), rgba(4, 8, 9, 0.94));
}

.doc-section {
  padding: 18px;
}

.doc-section h3 {
  margin: 0 0 12px;
  color: var(--cyan);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.doc-block {
  padding: 14px 16px;
  white-space: pre-wrap;
  font-family: var(--font-mono);
  line-height: 1.6;
}

.doc-block.endpoint {
  border-color: rgba(255, 103, 95, 0.2);
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100vw - 24px, 1440px);
    padding-bottom: 32px;
  }

  .topbar,
  .sidebar-head,
  .content-head {
    grid-template-columns: 1fr;
    display: grid;
  }
}