*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1429;
  --bg-card: #141a2e;
  --bg-card-hover: #1a2240;
  --bg-code: #0d1117;
  --border: #1e2a4a;
  --border-light: #2a3558;
  --accent: #00d4ff;
  --accent-dim: #0098b8;
  --accent-glow: #00d4ff15;
  --accent-secondary: #7b61ff;
  --text-primary: #e8edf5;
  --text-secondary: #9aa3b8;
  --text-muted: #7a849e;
  --success: #00e68a;
  --warning: #ffb020;
  --error: #ff5c5c;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --sidebar-width: 260px;
  --header-height: 0px;
  --radius: 10px;
  --radius-sm: 6px;
}

html { scroll-behavior: smooth; scroll-padding-top: 24px; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: #33dfff; }
.content a:not(.copy-btn) { text-decoration: underline; text-decoration-color: var(--accent-dim); text-underline-offset: 2px; }
.content a:not(.copy-btn):hover { text-decoration-color: var(--accent); }

/* ── Sidebar ─────────────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  flex-shrink: 0;
}

.sidebar-logo svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.sidebar-logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.sidebar-logo-text span {
  color: var(--accent);
}

.sidebar-label {
  padding: 20px 20px 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  flex-shrink: 0;
}

.sidebar-nav {
  padding: 0 12px 24px;
  flex: 1;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
  margin-bottom: 2px;
}

.sidebar-nav a:hover {
  color: var(--text-primary);
  background: var(--accent-glow);
}

.sidebar-nav a.active {
  color: var(--accent);
  background: var(--accent-glow);
}

.sidebar-nav a .nav-icon {
  width: 18px;
  height: 18px;
  opacity: 0.6;
  flex-shrink: 0;
}

.sidebar-nav a.active .nav-icon {
  opacity: 1;
}

.sidebar-sub {
  padding-left: 18px;
}

.sidebar-sub a {
  font-size: 13px;
  padding: 5px 12px;
  color: var(--text-muted);
}

.sidebar-sub a:hover {
  color: var(--text-secondary);
}

.sidebar-sub a.active {
  color: var(--accent);
}

/* ── Hamburger ───────────────────────────────────────────────────────── */
.hamburger {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 200;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 90;
}

/* ── Main Content ────────────────────────────────────────────────────── */
.main {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

.content {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 40px 120px;
}

/* ── Typography ──────────────────────────────────────────────────────── */
h1 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text-primary);
}

h2 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 64px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

h3 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

h4 {
  font-size: 16px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 8px;
  color: var(--accent);
}

p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.lead {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

ul, ol {
  margin-bottom: 16px;
  padding-left: 24px;
  color: var(--text-secondary);
}

li {
  margin-bottom: 6px;
}

li code {
  color: var(--accent);
}

strong { color: var(--text-primary); font-weight: 600; }

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 48px 0;
}

/* ── Inline Code ─────────────────────────────────────────────────────── */
code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-code);
  color: #e6edf3;
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid #1e2a4a;
}

/* ── Code Blocks ─────────────────────────────────────────────────────── */
.code-block {
  position: relative;
  margin-bottom: 24px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: #161b22;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.code-block pre {
  margin: 0;
  padding: 16px 20px;
  background: var(--bg-code);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: #e6edf3;
}

.code-block pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

.copy-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 4px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.15s ease;
}

.copy-btn:hover {
  color: var(--text-secondary);
  border-color: var(--border-light);
  background: var(--bg-card);
}

.copy-btn.copied {
  color: var(--success);
  border-color: var(--success);
}

.copy-btn svg {
  width: 14px;
  height: 14px;
}

/* ── Syntax Highlighting ─────────────────────────────────────────────── */
.tok-keyword { color: #ff7b72; }
.tok-string { color: #a5d6ff; }
.tok-comment { color: #5a6480; font-style: italic; }
.tok-property { color: #7ee787; }
.tok-number { color: #79c0ff; }
.tok-bool { color: #ff7b72; }
.tok-null { color: #ff7b72; }
.tok-method { color: #d2a8ff; }
.tok-type { color: #ffa657; }

/* ── Tables ──────────────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  margin-bottom: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead th {
  text-align: left;
  padding: 10px 14px;
  background: #161b22;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 8px 14px;
  border-bottom: 1px solid #151d2e;
  color: var(--text-secondary);
}

tbody tr:nth-child(even) {
  background: #0c1020;
}

tbody tr:nth-child(odd) {
  background: var(--bg-code);
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody td code {
  font-size: 13.5px;
  white-space: nowrap;
}

.method-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.method-get { background: #1a3a2a; color: #00e68a; }
.method-post { background: #1a2a3a; color: #79c0ff; }
.method-put { background: #2a2a1a; color: #ffb020; }
.method-patch { background: #2a2a1a; color: #ffb020; }
.method-delete { background: #3a1a1a; color: #ff5c5c; }
.method-ws { background: #2a1a3a; color: #d2a8ff; }

/* ── Info/Warning Boxes ──────────────────────────────────────────────── */
.callout {
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  font-size: 14px;
  line-height: 1.6;
}

.callout p { margin-bottom: 0; }

.callout-info {
  background: #00d4ff08;
  border: 1px solid #00d4ff25;
  color: var(--text-secondary);
}

.callout-info strong { color: var(--accent); }

.callout-warn {
  background: #ffb02008;
  border: 1px solid #ffb02025;
  color: var(--text-secondary);
}

.callout-warn strong { color: var(--warning); }

.callout-danger {
  background: #ff5c5c08;
  border: 1px solid #ff5c5c25;
  color: var(--text-secondary);
}

.callout-danger strong { color: var(--error); }

/* ── Endpoint Block ──────────────────────────────────────────────────── */
.endpoint {
  margin-bottom: 40px;
  padding: 24px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-dim);
}

.endpoint-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.endpoint-path {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.endpoint-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 16px;
}

.endpoint h5, .endpoint h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  margin-top: 16px;
}

/* ── Plans Grid ──────────────────────────────────────────────────────── */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.plan-card {
  padding: 20px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-align: center;
  transition: border-color 0.2s;
}

.plan-card:hover {
  border-color: var(--border-light);
}

.plan-card.featured {
  border-color: var(--accent-dim);
  position: relative;
}

.plan-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.plan-price {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 2px;
}

.plan-price span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.plan-detail {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ── Quick Start Steps ───────────────────────────────────────────────── */
.steps {
  margin-bottom: 32px;
}

.step {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-content h4 {
  margin-top: 0;
  margin-bottom: 4px;
  color: var(--text-primary);
  font-size: 15px;
}

.step-content p {
  margin-bottom: 0;
  font-size: 14px;
}

/* ── Feature Grid ────────────────────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.feature-card {
  padding: 20px;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.feature-card h4 {
  margin-top: 0;
  margin-bottom: 6px;
  font-size: 15px;
  color: var(--text-primary);
}

.feature-card p {
  margin-bottom: 0;
  font-size: 13px;
  line-height: 1.5;
}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

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

  .hamburger {
    display: flex;
  }

  .main {
    margin-left: 0;
  }

  .content {
    padding: 72px 16px 80px;
    max-width: 100%;
  }

  h1 { font-size: 26px; }
  h2 { font-size: 20px; margin-top: 40px; padding-top: 16px; }
  h3 { font-size: 17px; }

  p, li { font-size: 14px; }

  /* Feature grid → single column */
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .feature-card {
    padding: 16px;
  }

  .feature-card h4 { font-size: 14px; }
  .feature-card p { font-size: 12.5px; }

  /* Endpoint cards */
  .endpoint {
    padding: 14px;
    margin-bottom: 28px;
  }

  .endpoint-header {
    gap: 8px;
  }

  .endpoint-path {
    font-size: 12.5px;
    word-break: break-all;
  }

  .endpoint-desc {
    font-size: 13px;
  }

  .endpoint h5 {
    font-size: 11px;
    margin-top: 14px;
    margin-bottom: 6px;
  }

  .method-badge {
    font-size: 10px;
    padding: 2px 6px;
    flex-shrink: 0;
  }

  /* Code blocks — smaller on mobile */
  .code-block pre {
    padding: 12px 14px;
    font-size: 11.5px;
    line-height: 1.5;
    -webkit-overflow-scrolling: touch;
  }

  .code-block-header {
    padding: 6px 12px;
    font-size: 11px;
  }

  .copy-btn {
    font-size: 11px;
    padding: 3px 8px;
  }

  /* Inline code */
  code {
    font-size: 12px !important;
    word-break: break-word;
  }

  /* Tables */
  .table-wrap {
    margin-left: -16px;
    margin-right: -16px;
    border-radius: 0;
    border-left: none;
    border-right: none;
    -webkit-overflow-scrolling: touch;
  }

  table { font-size: 12.5px; }

  thead th {
    padding: 8px 12px;
    font-size: 10px;
    white-space: nowrap;
  }

  tbody td {
    padding: 8px 12px;
  }

  tbody td code {
    font-size: 11px !important;
    white-space: normal;
    word-break: break-all;
  }

  /* Callout boxes */
  .callout {
    padding: 12px 14px;
    font-size: 13px;
  }

  /* Plans grid */
  .plans-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .plan-card {
    padding: 14px;
  }

  .plan-name { font-size: 14px; }
  .plan-price { font-size: 22px; }
  .plan-price span { font-size: 12px; }
  .plan-detail { font-size: 11.5px; }

  /* Steps */
  .step {
    gap: 12px;
    margin-bottom: 16px;
  }

  .step-num {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .step-content h4 { font-size: 14px; }
  .step-content p { font-size: 13px; }

  /* Command list */
  .cmd-item {
    flex-direction: column;
    gap: 4px;
    padding: 12px 0;
  }

  .cmd-name {
    min-width: unset;
    font-size: 13px;
  }

  .cmd-desc {
    font-size: 13px;
  }

  /* Settings list */
  .setting-item {
    flex-direction: column;
    gap: 4px;
    padding: 10px 0;
  }

  .setting-name {
    min-width: unset;
    white-space: normal;
    font-size: 12px;
  }

  .setting-default {
    min-width: unset;
    font-size: 11px;
  }

  .setting-desc {
    font-size: 12.5px;
  }

  /* Support grid if it exists */
  .support-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 400px) {
  .content {
    padding: 64px 12px 60px;
  }

  h1 { font-size: 22px; }
  h2 { font-size: 18px; }

  .plans-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .code-block pre {
    font-size: 10.5px;
    padding: 10px 12px;
  }

  .endpoint {
    padding: 12px;
  }

  .endpoint-path {
    font-size: 11.5px;
  }

  .feature-card {
    padding: 14px;
  }
}

/* ── Scrollbar ───────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ── Command Reference ───────────────────────────────────────────────── */
.cmd-list {
  margin-bottom: 24px;
}

.cmd-item {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid #151d2e;
  align-items: baseline;
}

.cmd-item:last-child {
  border-bottom: none;
}

.cmd-name {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  font-weight: 600;
  white-space: nowrap;
  min-width: 160px;
  flex-shrink: 0;
}

.cmd-desc {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ── Settings List ───────────────────────────────────────────────────── */
.setting-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #151d2e;
  align-items: baseline;
}

.setting-item:last-child { border-bottom: none; }

.setting-name {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--success);
  white-space: nowrap;
  min-width: 180px;
  flex-shrink: 0;
}

.setting-default {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  min-width: 50px;
  flex-shrink: 0;
}

.setting-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ── Back to top ─────────────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 50;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Footer ──────────────────────────────────────────────────────────── */
.doc-footer {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.doc-footer p {
  font-size: 13px;
  color: var(--text-muted);
}

.doc-footer a {
  color: var(--text-secondary);
}

.doc-footer a:hover {
  color: var(--accent);
}

/* ── Docs Switcher ───────────────────────────────────────────────────── */
.docs-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 820px;
  margin: 0 auto;
  padding: 24px 40px 0;
}

.docs-switcher a {
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s ease;
}

.docs-switcher a:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
}

.docs-switcher a.active {
  color: var(--accent);
  background: var(--accent-glow);
  border-color: var(--accent-dim);
}

@media (max-width: 900px) {
  .docs-switcher {
    padding: 64px 16px 0;
  }
}

@media (max-width: 400px) {
  .docs-switcher {
    padding: 60px 12px 0;
  }
}