/* ============================================================
   AltFinance Data API — Documentation Styles
   ============================================================ */

/* --- CSS Custom Properties (Light Mode) --- */
:root {
  --color-bg: #ffffff;
  --color-bg-secondary: #f6f8fa;
  --color-text: #1b1b1b;
  --color-text-muted: #667085;
  --color-heading: #211f54;
  --color-primary: #0049ff;
  --color-primary-hover: #0033b2;
  --color-border: #e5e7eb;
  --color-sidebar-bg: #f9fafb;
  --color-sidebar-hover: #eef2ff;
  --color-sidebar-active: #e0e7ff;
  --color-sidebar-active-text: #0049ff;
  --color-sidebar-active-border: #0049ff;
  --color-code-inline-bg: #f0f2f5;
  --color-code-inline-text: #d63384;
  --color-code-block-bg: #1e1e2e;
  --color-badge-get-bg: #dcfce7;
  --color-badge-get-text: #166534;
  --color-badge-post-bg: #dbeafe;
  --color-badge-post-text: #1e40af;
  --color-callout-bg: #eff6ff;
  --color-callout-border: #0049ff;
  --color-callout-tip-bg: #f0fdf4;
  --color-callout-tip-border: #22c55e;
  --color-callout-warn-bg: #fffbeb;
  --color-callout-warn-border: #f59e0b;
  --color-table-header-bg: #f6f8fa;
  --color-table-border: #e5e7eb;
  --color-table-stripe: #fafbfc;
  --color-card-bg: #ffffff;
  --color-card-border: #e5e7eb;
  --color-card-hover-border: #0049ff;
  --color-hero-badge-bg: #f0f2f5;
  --color-copy-btn-bg: #e5e7eb;
  --color-copy-btn-hover: #d1d5db;
  --color-overlay: rgba(0, 0, 0, 0.3);
  --color-step-number: #0049ff;
  --color-step-line: #e5e7eb;
  --color-divider: #e5e7eb;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
  --header-height: 56px;
  --sidebar-width: 260px;
  --content-max-width: 820px;
  --content-padding: 40px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
}

/* --- Dark Mode --- */
[data-theme="dark"] {
  --color-bg: #0d1117;
  --color-bg-secondary: #161b22;
  --color-text: #e6edf3;
  --color-text-muted: #8b949e;
  --color-heading: #f0f6fc;
  --color-primary: #58a6ff;
  --color-primary-hover: #79c0ff;
  --color-border: #30363d;
  --color-sidebar-bg: #0d1117;
  --color-sidebar-hover: #161b22;
  --color-sidebar-active: #1c2333;
  --color-sidebar-active-text: #58a6ff;
  --color-sidebar-active-border: #58a6ff;
  --color-code-inline-bg: #1c2333;
  --color-code-inline-text: #f97583;
  --color-code-block-bg: #0d1117;
  --color-badge-get-bg: #0d2818;
  --color-badge-get-text: #3fb950;
  --color-badge-post-bg: #0d1d3a;
  --color-badge-post-text: #58a6ff;
  --color-callout-bg: #0d1d3a;
  --color-callout-border: #58a6ff;
  --color-callout-tip-bg: #0d2818;
  --color-callout-tip-border: #3fb950;
  --color-callout-warn-bg: #2d2006;
  --color-callout-warn-border: #f59e0b;
  --color-table-header-bg: #161b22;
  --color-table-border: #30363d;
  --color-table-stripe: #111820;
  --color-card-bg: #161b22;
  --color-card-border: #30363d;
  --color-card-hover-border: #58a6ff;
  --color-hero-badge-bg: #1c2333;
  --color-copy-btn-bg: #30363d;
  --color-copy-btn-hover: #484f58;
  --color-overlay: rgba(0, 0, 0, 0.6);
  --color-step-number: #58a6ff;
  --color-step-line: #30363d;
  --color-divider: #30363d;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* --- Header --- */
.docs-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-left .logo img {
  height: 28px;
  width: auto;
}

.header-left .logo .logo-dark { display: none; }
[data-theme="dark"] .header-left .logo .logo-light { display: none; }
[data-theme="dark"] .header-left .logo .logo-dark { display: inline; }

.header-divider {
  width: 1px;
  height: 24px;
  background: var(--color-border);
}

.header-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.header-link:hover {
  color: var(--color-primary);
}

.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--color-text);
}

.sidebar-toggle svg {
  width: 22px;
  height: 22px;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  padding: 6px;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-bg-secondary);
  border-color: var(--color-text-muted);
}

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

.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

/* --- Layout --- */
.docs-layout {
  display: flex;
  padding-top: var(--header-height);
  min-height: 100vh;
}

/* --- Sidebar --- */
.docs-sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--color-sidebar-bg);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  padding: 16px 0;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
  z-index: 50;
}

.docs-sidebar::-webkit-scrollbar {
  width: 4px;
}

.docs-sidebar::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

.nav-list {
  list-style: none;
  padding: 0 12px;
}

.nav-section {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: 20px 12px 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.nav-section:first-child {
  padding-top: 4px;
}

.nav-section .nav-chevron {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
  opacity: 0.5;
}

.nav-section.collapsed .nav-chevron {
  transform: rotate(-90deg);
}

.nav-section-items {
  overflow: hidden;
  transition: max-height 0.2s ease;
}

.nav-section.collapsed + .nav-section-items {
  max-height: 0 !important;
  overflow: hidden;
}

.nav-link {
  display: block;
  padding: 6px 12px;
  font-size: 13.5px;
  font-weight: 400;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  border-left: 2px solid transparent;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.nav-link:hover {
  background: var(--color-sidebar-hover);
  text-decoration: none;
}

.nav-link.active {
  background: var(--color-sidebar-active);
  color: var(--color-sidebar-active-text);
  font-weight: 500;
  border-left-color: var(--color-sidebar-active-border);
}

.nav-link.sub {
  padding-left: 28px;
  font-size: 13px;
}

/* --- Main Content --- */
.docs-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-width: 0;
}

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

/* --- Typography --- */
h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.3;
  margin-bottom: 12px;
}

h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-heading);
  line-height: 1.3;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-heading);
  margin-top: 32px;
  margin-bottom: 12px;
}

h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-heading);
  margin-top: 24px;
  margin-bottom: 8px;
}

p {
  margin-bottom: 16px;
}

.subtitle {
  font-size: 17px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

.anchor-link {
  color: var(--color-text-muted);
  opacity: 0;
  font-weight: 400;
  margin-left: 6px;
  transition: opacity var(--transition-fast);
}

h2:hover .anchor-link,
h3:hover .anchor-link {
  opacity: 1;
}

/* --- Content Divider --- */
.content-divider {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin: 32px 0;
}

/* --- Hero / Welcome --- */
.hero {
  margin-bottom: 8px;
}

.base-url-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-hero-badge-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text);
}

.base-url-badge .copy-btn {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  background: var(--color-copy-btn-bg);
  border: none;
  border-radius: var(--border-radius-sm);
  padding: 4px 10px;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: background-color var(--transition-fast);
}

.base-url-badge .copy-btn:hover {
  background: var(--color-copy-btn-hover);
}

/* --- Getting Started Steps --- */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 24px;
  counter-reset: step-counter;
}

.step {
  display: flex;
  gap: 16px;
  padding: 0 0 24px 0;
  position: relative;
  counter-increment: step-counter;
}

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

.step-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.step-line {
  flex: 1;
  width: 2px;
  background: var(--color-step-line);
  margin-top: 8px;
}

.step:last-child .step-line {
  display: none;
}

.step-content {
  flex: 1;
  padding-top: 4px;
}

.step-content h4 {
  margin-top: 0;
  margin-bottom: 4px;
  font-size: 15px;
}

.step-content p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.step-content .step-link {
  font-size: 13px;
  font-weight: 500;
}

/* --- Card Groups (2-col, 3-col) --- */
.card-group {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
}

.card-group.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card-group.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

/* --- Cards --- */
.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: var(--border-radius);
  padding: 20px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  color: inherit;
  display: block;
}

.card:hover {
  border-color: var(--color-card-hover-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  text-decoration: none;
}

a.card:hover {
  text-decoration: none;
}

.card-icon {
  font-size: 20px;
  margin-bottom: 8px;
  display: block;
}

.card h4 {
  margin-top: 0;
  margin-bottom: 4px;
  font-size: 16px;
}

.card .card-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.card .card-desc {
  font-size: 13.5px;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

/* --- Method Badges --- */
.method-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.method-badge.get {
  background: var(--color-badge-get-bg);
  color: var(--color-badge-get-text);
}

.method-badge.post {
  background: var(--color-badge-post-bg);
  color: var(--color-badge-post-text);
}

.endpoint-path {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text);
  margin-left: 8px;
}

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

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

thead th {
  background: var(--color-table-header-bg);
  font-weight: 600;
  text-align: left;
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-table-border);
  white-space: nowrap;
  color: var(--color-heading);
  font-size: 13px;
}

tbody td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-table-border);
  vertical-align: top;
}

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

tbody tr:nth-child(even) {
  background: var(--color-table-stripe);
}

td code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--color-code-inline-bg);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--color-code-inline-text);
}

/* --- Inline Code --- */
p code, li code, h3 code, h4 code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-code-inline-bg);
  color: var(--color-code-inline-text);
  padding: 2px 6px;
  border-radius: 3px;
}

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

.code-block .code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #16161e;
  padding: 8px 16px;
  border-bottom: 1px solid #2a2a3a;
}

.code-lang {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: #8b8ba7;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-copy-btn {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  background: transparent;
  border: 1px solid #3a3a4a;
  border-radius: var(--border-radius-sm);
  padding: 3px 10px;
  cursor: pointer;
  color: #8b8ba7;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.code-copy-btn:hover {
  background: #2a2a3a;
  color: #c0c0d0;
}

.code-copy-btn.copied {
  color: #3fb950;
  border-color: #3fb950;
}

.code-block pre {
  margin: 0;
  padding: 16px;
  background: var(--color-code-block-bg);
  overflow-x: auto;
}

.code-block pre code {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: #e6edf3;
  background: none;
  padding: 0;
}

/* Override Prism theme to use our dark bg */
.code-block pre[class*="language-"] {
  background: var(--color-code-block-bg);
  margin: 0;
  padding: 16px;
}

.code-block code[class*="language-"] {
  font-family: var(--font-mono);
  font-size: 13px;
}

/* --- Callouts (info, tip, warning) --- */
.callout {
  background: var(--color-callout-bg);
  border-left: 3px solid var(--color-callout-border);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  padding: 12px 16px;
  margin-bottom: 24px;
  font-size: 14px;
}

.callout.tip {
  background: var(--color-callout-tip-bg);
  border-left-color: var(--color-callout-tip-border);
}

.callout.warning {
  background: var(--color-callout-warn-bg);
  border-left-color: var(--color-callout-warn-border);
}

.callout-label {
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.callout p {
  margin-bottom: 0;
}

/* --- Lists --- */
ul, ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

li {
  margin-bottom: 4px;
}

/* --- Endpoint Block --- */
.endpoint-block {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 12px 16px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* --- Footer --- */
.docs-footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
}

/* --- Section Spacing --- */
section {
  margin-bottom: 16px;
}

section:first-of-type h2 {
  margin-top: 32px;
}

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
  .sidebar-toggle {
    display: flex;
  }

  .header-link {
    display: none;
  }

  .docs-sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    box-shadow: none;
  }

  body.sidebar-open .docs-sidebar {
    transform: translateX(0);
    box-shadow: 4px 0 24px var(--color-overlay);
  }

  body.sidebar-open::after {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--color-overlay);
    z-index: 40;
  }

  .docs-main {
    margin-left: 0;
  }

  .content-wrapper {
    padding: 24px 16px;
  }

  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 20px;
  }

  .card-grid,
  .card-group.cols-2,
  .card-group.cols-3 {
    grid-template-columns: 1fr;
  }

  .base-url-badge {
    font-size: 12px;
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .header-title {
    display: none;
  }

  .header-divider {
    display: none;
  }
}