/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --bg: #0f1117;
  --bg-card: #161b27;
  --bg-sidebar: #111318;
  --bg-code: #1a1f2e;
  --border: #1e2536;
  --text: #e2e8f0;
  --text-muted: #8892a4;
  --text-dim: #4a5568;
  --green: #10b981;
  --yellow: #f59e0b;
  --red: #ef4444;
  --blue: #3b82f6;
  --sidebar-width: 260px;
  --topbar-height: 52px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.7;
}

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

.sidebar-header {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 17px;
}

.logo-icon { font-size: 20px; }
.logo-accent { color: var(--primary); }

.sidebar-search {
  padding: 12px 12px 0;
}

.sidebar-search input {
  width: 100%;
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  font-family: inherit;
}

.sidebar-search input:focus { border-color: var(--primary); }
.sidebar-search input::placeholder { color: var(--text-dim); }

.sidebar-nav { padding: 8px 12px; flex: 1; }

.nav-group { margin-bottom: 8px; }

.nav-group-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  padding: 12px 8px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--text-muted);
  font-size: 13.5px;
  transition: all 0.15s;
  margin-bottom: 1px;
}

.nav-item:hover { background: var(--bg-card); color: var(--text); }
.nav-item.active { background: rgba(99,102,241,0.15); color: var(--primary-light); font-weight: 500; }

.method-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  flex-shrink: 0;
}

.method-get { background: rgba(16,185,129,0.15); color: var(--green); }
.method-post { background: rgba(99,102,241,0.15); color: var(--primary-light); }
.method-delete { background: rgba(239,68,68,0.15); color: var(--red); }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.sidebar-cta {
  display: block;
  background: var(--primary);
  color: white;
  text-align: center;
  padding: 9px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: background 0.2s;
}

.sidebar-cta:hover { background: var(--primary-dark); }

/* ── Main ── */
.main {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
}

.topbar {
  height: var(--topbar-height);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 50;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
}

.topbar-links { display: flex; gap: 24px; }
.topbar-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px;
  transition: color 0.15s;
}
.topbar-links a:hover { color: var(--text); }

.content {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 32px 80px;
}

/* ── Typography ── */
.page-header { margin-bottom: 40px; }
.page-header h1 { font-size: 34px; font-weight: 700; margin-bottom: 12px; }
.lead { font-size: 17px; color: var(--text-muted); line-height: 1.6; }

h2 {
  font-size: 22px;
  font-weight: 600;
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

h3 { font-size: 17px; font-weight: 600; margin: 28px 0 8px; }
h4 { font-size: 15px; font-weight: 600; margin: 0 0 6px; }

p { margin-bottom: 14px; color: var(--text-muted); }
p:last-child { margin-bottom: 0; }

a { color: var(--primary-light); text-decoration: none; }
a:hover { text-decoration: underline; }

ul, ol { padding-left: 20px; color: var(--text-muted); }
li { margin-bottom: 6px; }

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  background: var(--bg-code);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--primary-light);
}

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

/* ── Cards ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 28px 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-decoration: none;
  transition: all 0.2s;
  display: block;
}

.card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(99,102,241,0.3);
  transform: translateY(-1px);
  text-decoration: none;
}

.card-icon { font-size: 24px; display: block; margin-bottom: 10px; }
.card h3 { font-size: 14px; color: var(--text); margin: 0 0 6px; }
.card p { font-size: 13px; color: var(--text-muted); margin: 0; }

/* ── Code blocks ── */
.code-block {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin: 16px 0;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-dim);
}

.code-tabs { display: flex; gap: 2px; }
.code-tab {
  background: none;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}

.code-tab.active, .code-tab:hover { background: var(--bg-card); color: var(--text); }
.code-tab.active { font-weight: 500; }

.code-panel { display: none; }
.code-panel.active { display: block; }

pre {
  padding: 16px;
  overflow-x: auto;
  margin: 0;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.copy-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 5px;
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}
.copy-btn:hover { border-color: var(--primary); color: var(--primary-light); }
.copy-btn.copied { border-color: var(--green); color: var(--green); }

/* ── Steps ── */
.steps { display: flex; flex-direction: column; gap: 0; margin: 20px 0; }

.step {
  display: flex;
  gap: 16px;
  position: relative;
  padding-bottom: 24px;
}

.step:last-child { padding-bottom: 0; }

.step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 32px;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(99,102,241,0.15);
  border: 1px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-light);
  flex-shrink: 0;
}

.step-content h4 { margin-top: 4px; }
.step-content p { font-size: 14px; }

/* ── Callouts ── */
.callout {
  border-radius: 8px;
  padding: 14px 16px;
  margin: 16px 0;
  display: flex;
  gap: 12px;
  font-size: 14px;
}

.callout-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.callout p { margin: 0; }

.callout-warning { background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.25); }
.callout-warning .callout-icon::before { content: '⚠️'; }

.callout-note { background: rgba(99,102,241,0.08); border: 1px solid rgba(99,102,241,0.25); }
.callout-note .callout-icon::before { content: '💡'; }

.callout-success { background: rgba(16,185,129,0.08); border: 1px solid rgba(16,185,129,0.25); }
.callout-success .callout-icon::before { content: '✅'; }

/* ── Tables ── */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
}

th {
  text-align: left;
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-weight: 600;
  color: var(--text);
  font-size: 13px;
}

td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  vertical-align: top;
}

tr:hover td { background: rgba(255,255,255,0.02); }

/* ── API Reference ── */
.api-endpoint {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 16px 0 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.api-method {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 5px;
}

.api-method.get { background: rgba(16,185,129,0.15); color: var(--green); }
.api-method.post { background: rgba(99,102,241,0.15); color: var(--primary-light); }
.api-method.delete { background: rgba(239,68,68,0.15); color: var(--red); }

.api-url {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--text);
  word-break: break-all;
}

.param-field {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  overflow: hidden;
}

.param-header {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
}

.param-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.param-type {
  font-size: 12px;
  color: var(--text-dim);
  background: var(--bg-code);
  padding: 2px 7px;
  border-radius: 4px;
}

.param-required {
  font-size: 11px;
  color: var(--red);
  font-weight: 600;
  margin-left: auto;
}

.param-body {
  padding: 10px 16px 12px;
  font-size: 14px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

/* ── Response fields ── */
.response-field {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 200px 80px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 13.5px;
}

.response-field:last-child { border-bottom: none; }
.response-field-name { font-family: 'JetBrains Mono', monospace; color: var(--text); }
.response-field-type { color: var(--text-dim); }
.response-field-desc { color: var(--text-muted); }

/* ── HTTP Status badges ── */
.status-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 8px;
}

.status-200 { background: rgba(16,185,129,0.15); color: var(--green); }
.status-201 { background: rgba(16,185,129,0.15); color: var(--green); }
.status-400 { background: rgba(245,158,11,0.15); color: var(--yellow); }
.status-401 { background: rgba(239,68,68,0.15); color: var(--red); }
.status-404 { background: rgba(239,68,68,0.15); color: var(--red); }
.status-429 { background: rgba(245,158,11,0.15); color: var(--yellow); }
.status-500 { background: rgba(239,68,68,0.15); color: var(--red); }

/* ── Nav footer ── */
.nav-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.nav-next, .nav-prev {
  padding: 10px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s;
}

.nav-next:hover, .nav-prev:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  text-decoration: none;
}

/* ── Accordion ── */
.accordion { margin: 8px 0; }

.accordion-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 6px;
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  background: var(--bg-card);
  border: none;
  padding: 14px 16px;
  text-align: left;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
}

.accordion-header:hover { background: rgba(255,255,255,0.04); }
.accordion-chevron { transition: transform 0.2s; color: var(--text-dim); }
.accordion-item.open .accordion-chevron { transform: rotate(180deg); }

.accordion-body {
  padding: 0 16px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.2s;
  font-size: 14px;
  color: var(--text-muted);
}

.accordion-item.open .accordion-body {
  max-height: 500px;
  padding: 14px 16px;
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .menu-toggle { display: block; }
  .card-grid { grid-template-columns: 1fr; }
  .content { padding: 24px 20px 60px; }
  .response-field { grid-template-columns: 1fr; }
}