:root {
  --text: #e7f4ff;
  --muted: #9db1d2;
  --surface: #0a1533;
  --surface-soft: #111f3c;
  --surface-border: #28415f;
  --bg-from: #041025;
  --bg-mid: #08152f;
  --bg-to: #040814;
  --accent: #4ebeff;
  --accent-bright: #7bf9ff;
  --accent-soft: #a6f2ff;
  --accent-warm: #86e2ff;
  --shadow: 0 10px 36px rgba(0, 0, 0, 0.45);
}

:root[data-theme="cool"] {
  --text: #eafcff;
  --muted: #9deeff;
  --surface: #092139;
  --surface-soft: #0e2f46;
  --surface-border: #1d708f;
  --bg-from: #031021;
  --bg-mid: #04314e;
  --bg-to: #0b5f8a;
  --accent: #6ff7ff;
  --accent-bright: #8ef8ff;
  --accent-soft: #adfdff;
  --accent-warm: #85fff3;
}

:root[data-theme="aurora"] {
  --text: #f4fff0;
  --muted: #ccf7d2;
  --surface: #0d2f1e;
  --surface-soft: #14442b;
  --surface-border: #2a6a44;
  --bg-from: #08170f;
  --bg-mid: #1a3a24;
  --bg-to: #0f6a45;
  --accent: #4aff9f;
  --accent-bright: #99ffd1;
  --accent-soft: #b9ffe4;
  --accent-warm: #8de98a;
}

*,
*::before,
*::after { box-sizing: border-box; }

@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;800&family=JetBrains+Mono:wght@400;600&display=swap");

html, body {
  margin: 0;
  min-height: 100%;
  font-family: "Manrope", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 12%, var(--bg-mid), var(--bg-to) 56%, #02060d 100%);
}

body {
  padding: 24px 16px 40px;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: -8% -12%;
  background:
    radial-gradient(circle at 10% 10%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 50%),
    radial-gradient(circle at 85% 20%, color-mix(in srgb, var(--accent-warm) 24%, transparent), transparent 47%),
    radial-gradient(circle at 80% 85%, color-mix(in srgb, var(--accent-soft) 25%, transparent), transparent 52%);
  opacity: 0.15;
  pointer-events: none;
  filter: blur(10px);
  animation: drift 24s linear infinite alternate;
  z-index: -2;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  background:
    repeating-linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.012) 0 1px,
      transparent 1px 120px
    );
  mix-blend-mode: soft-light;
  pointer-events: none;
  opacity: 0.2;
  z-index: -1;
}

.docs-shell {
  width: min(1050px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.topbar {
  border: 1px solid color-mix(in srgb, var(--surface-border) 82%, transparent);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 90%, black 10%);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  backdrop-filter: blur(8px);
  position: sticky;
  top: 10px;
  z-index: 8;
}

.brand {
  color: inherit;
  text-decoration: none;
  display: flex;
  gap: 8px;
  align-items: baseline;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 800;
}

.brand-logo {
  width: 42px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 1px 5px rgba(0, 0, 0, 0.35));
}

.brand strong {
  color: var(--accent-bright);
}

.topbar nav {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}

.topbar a {
  color: color-mix(in srgb, var(--text) 80%, white 10%);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
}

.topbar a:hover,
.topbar a:focus-visible,
.topbar a.active {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent-soft) 12%, transparent);
}

.theme-toggle {
  border: 1px solid var(--accent-bright);
  color: var(--accent-bright);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-radius: 999px;
  padding: 9px 14px;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-1px);
  background: color-mix(in srgb, var(--accent-bright) 18%, transparent);
}

main {
  display: grid;
  gap: 18px;
}

.hero {
  border: 1px solid var(--surface-border);
  border-radius: 20px;
  background: linear-gradient(145deg, var(--surface), var(--surface-soft));
  padding: 28px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.79rem;
  color: var(--accent-warm);
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3rem);
}

.hero p {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 72ch;
}

.actions {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  border: 1px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: white;
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.92rem;
}

.btn.secondary {
  border-color: color-mix(in srgb, var(--accent-soft) 40%, transparent);
  background: transparent;
}

.card {
  border: 1px solid var(--surface-border);
  border-radius: 15px;
  background: var(--surface);
  padding: 20px;
  box-shadow: var(--shadow);
  animation: rise 220ms ease;
}

.section-title {
  margin: 6px 0 12px;
  color: #f8feff;
}

.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.api-grid {
  display: grid;
  gap: 12px;
}

.api-item {
  padding: 12px 14px;
  border-left: 3px solid var(--accent-bright);
  background: color-mix(in srgb, var(--surface-soft) 65%, transparent);
  border-radius: 10px;
  border-top-right-radius: 12px;
  border-bottom-right-radius: 12px;
}

.api-item h3 {
  margin: 0 0 6px;
  color: #e6fbff;
}

.param-list {
  margin: 0 0 8px;
  padding-left: 1.1rem;
  list-style: disc;
}

.param-name {
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
  color: var(--accent-soft);
}

section a,
.card a,
.hero a,
footer a {
  color: var(--accent-soft);
}

ul, ol {
  padding-left: 1.2rem;
}

pre {
  margin: 0;
  background: #050f1d;
  color: #d9f4ff;
  border: 1px solid #173b63;
  border-radius: 10px;
  padding: 13px;
  overflow-x: auto;
}

code,
pre,
code-like {
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
  font-size: 0.9rem;
}

.highlight {
  color: var(--accent-soft);
}

.muted {
  color: var(--muted);
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  padding-bottom: 10px;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-4%, -3%, 0) rotate(1deg); }
}

@media (max-width: 900px) {
  .topbar {
    flex-wrap: wrap;
  }
}

@media (max-width: 700px) {
  .topbar nav { order: 2; width: 100%; }
  .theme-toggle { order: 3; }
  .brand-logo { width: 34px; }
  .hero { padding: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  body::before,
  .card,
  .hero {
    animation: none;
  }
}