:root {
  --bg-base: #0a0a0f;
  --surface-1: #10131a;
  --surface-2: #181c28;
  --surface-3: #222838;
  --accent: #3b82f6;
  --text-primary: #e8e8f0;
  --text-secondary: #7a7a8e;
  --border: rgba(123, 150, 220, 0.2);
  --success: #22c55e;
  --font-heading: "Chakra Petch", system-ui, sans-serif;
  --font-mono: "Space Mono", "Courier New", monospace;
  --topbar-h: 56px;
  --content-w: 920px;
}

[data-theme="light"] {
  --bg-base: #f5f7fb;
  --surface-1: #ffffff;
  --surface-2: #f0f2f7;
  --surface-3: #e3e9f5;
  --text-primary: #1a1a2e;
  --text-secondary: #5a5a70;
  --border: rgba(64, 95, 170, 0.2);
}

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

@font-face {
  font-family: "Chakra Petch";
  src: url("/fonts/ChakraPetch-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Chakra Petch";
  src: url("/fonts/ChakraPetch-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Chakra Petch";
  src: url("/fonts/ChakraPetch-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Space Mono";
  src: url("/fonts/SpaceMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-mono);
  scroll-behavior: smooth;
}

a {
  color: var(--accent);
  text-decoration: none;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-base) 90%, transparent);
  backdrop-filter: blur(10px);
  z-index: 100;
}

.menu-toggle,
.menu-close,
.theme-toggle {
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.menu-toggle:hover,
.menu-close:hover,
.theme-toggle:hover {
  background: var(--surface-3);
  color: var(--text-primary);
}

.menu-toggle svg,
.menu-close svg,
.theme-toggle svg {
  width: 16px;
  height: 16px;
}

.topbar__title {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
}

.title-mobile {
  display: none;
}

.spacer {
  flex: 1;
}

.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 150;
  display: none;
}

.menu-overlay.open {
  display: block;
}

.menu-modal {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(360px, 90vw);
  background: var(--surface-1);
  border-right: 1px solid var(--border);
  transform: translateX(-102%);
  transition: transform 0.2s ease;
  z-index: 200;
  display: flex;
  flex-direction: column;
}

.menu-modal.open {
  transform: translateX(0);
}

.menu-header {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
}

.menu-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
}

.menu-brand img {
  width: 22px;
  height: 22px;
}

.menu-content {
  padding: 16px;
  overflow-y: auto;
}

.menu-label {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 8px 0;
}

.menu-link,
.menu-sub-link {
  display: block;
  color: var(--text-primary);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 0.82rem;
}

.menu-sub-link {
  background: transparent;
  color: var(--text-secondary);
  margin-left: 10px;
}

.menu-link.active,
.menu-sub-link.active,
.menu-link:hover,
.menu-sub-link:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.menu-footer {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}

.menu-footer a {
  width: 30px;
  height: 30px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.menu-footer a img,
.menu-footer a svg {
  width: 16px;
  height: 16px;
}

.main {
  padding: calc(var(--topbar-h) + 24px) 16px 56px;
}

.content {
  max-width: var(--content-w);
  margin: 0 auto;
}

.doc-actions {
  position: fixed;
  top: calc(var(--topbar-h) + 14px);
  right: 18px;
  z-index: 90;
}

.doc-actions__toggle {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-1);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.74rem;
  padding: 7px 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  min-width: 104px;
}

.doc-actions__toggle:hover {
  background: var(--surface-3);
  color: var(--text-primary);
}

.doc-actions__toggle svg {
  width: 14px;
  height: 14px;
}

.doc-actions.open .doc-actions__toggle {
  border-color: var(--accent);
  color: var(--text-primary);
}

.doc-actions.copied .doc-actions__toggle {
  border-color: var(--success);
  color: var(--success);
}

.doc-actions__menu {
  position: absolute;
  top: 42px;
  right: 0;
  width: 252px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-1);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  padding: 6px;
}

.doc-action-item {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  text-align: left;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
}

.doc-action-item:hover {
  background: var(--surface-3);
  color: var(--text-primary);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  margin: 0;
}

h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

h2 {
  font-size: 1.35rem;
  margin: 28px 0 12px;
}

h3 {
  font-size: 1.05rem;
  margin: 18px 0 10px;
}

p,
li {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

.lead {
  font-size: 1rem;
}

.section {
  margin-bottom: 34px;
  scroll-margin-top: calc(var(--topbar-h) + 16px);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0;
}

.feature-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-1);
  padding: 14px;
}

.feature-icon {
  width: 22px;
  height: 22px;
  margin-bottom: 8px;
  color: var(--accent);
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 0.86rem;
  margin-bottom: 4px;
}

.callout {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  background: var(--surface-2);
  padding: 12px 14px;
}

.endpoint {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-1);
  margin-bottom: 16px;
  overflow: hidden;
}

.endpoint-head {
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: 999px;
}

.badge.get {
  color: #1db954;
  background: rgba(29, 185, 84, 0.18);
}

.badge.post {
  color: #5fa1ff;
  background: rgba(59, 130, 246, 0.18);
}

.endpoint-path {
  font-size: 0.82rem;
  color: var(--text-primary);
}

.endpoint-body {
  padding: 12px;
}

.code-block {
  margin: 10px 0 12px;
}

.code-head {
  border: 1px solid var(--border);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  background: var(--surface-3);
  padding: 7px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copy-code {
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.68rem;
  cursor: pointer;
}

pre {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 0 0 8px 8px;
  background: var(--surface-2);
  overflow-x: auto;
  padding: 12px;
}

code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 10px;
  align-items: center;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.78rem;
}

.footer-link img,
.footer-link svg {
  width: 14px;
  height: 14px;
}

@media (max-width: 900px) {
  .topbar__title .title-desktop {
    display: none;
  }

  .title-mobile {
    display: inline;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .doc-actions {
    position: static;
    margin-bottom: 14px;
    display: flex;
    justify-content: flex-end;
  }

  .doc-actions__menu {
    top: 40px;
    right: 0;
    left: auto;
    width: min(84vw, 280px);
  }
}