/* ClickForce SDK Documentation - Refined Editorial Style */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* === CSS Variables === */
:root {
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Layout */
  --sidebar-width: 280px;
  --content-max-width: 720px;
  --header-height: 64px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Light theme (default) */
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f5f5f5;
  --bg-code: #f8f9fb;
  --bg-code-header: #f1f3f5;

  --text-primary: #171717;
  --text-secondary: #525252;
  --text-tertiary: #737373;
  --text-muted: #a3a3a3;

  --border-primary: #e5e5e5;
  --border-secondary: #f0f0f0;

  --accent: #0066ff;
  --accent-soft: rgba(0, 102, 255, 0.08);
  --accent-hover: #0052cc;

  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Dark theme */
[data-theme="dark"] {
  --bg-primary: #0a0a0a;
  --bg-secondary: #141414;
  --bg-tertiary: #1a1a1a;
  --bg-code: #161618;
  --bg-code-header: #1e1e20;

  --text-primary: #fafafa;
  --text-secondary: #a3a3a3;
  --text-tertiary: #737373;
  --text-muted: #525252;

  --border-primary: #262626;
  --border-secondary: #1f1f1f;

  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.12);
  --accent-hover: #60a5fa;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
}

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

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

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

::selection {
  background: var(--accent);
  color: white;
}

/* === Layout === */
.layout {
  display: flex;
  min-height: 100vh;
}

/* === Header === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-primary);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 var(--space-lg);
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.85);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

[data-theme="dark"] .header {
  background: rgba(10, 10, 10, 0.85);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--accent) 0%, #8b5cf6 100%);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-tertiary);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.badge--ios {
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.1) 0%, rgba(88, 86, 214, 0.1) 100%);
  color: #007aff;
}

[data-theme="dark"] .badge--ios {
  background: linear-gradient(135deg, rgba(0, 122, 255, 0.2) 0%, rgba(88, 86, 214, 0.2) 100%);
  color: #5ac8fa;
}

.badge--android {
  background: rgba(61, 220, 132, 0.1);
  color: #34a853;
}

[data-theme="dark"] .badge--android {
  background: rgba(61, 220, 132, 0.15);
  color: #3ddc84;
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.theme-toggle .sun { display: none; }
.theme-toggle .moon { display: block; }

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
  background: var(--bg-tertiary);
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
}

/* === Sidebar === */
.sidebar {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  background: var(--bg-primary);
  border-right: 1px solid var(--border-primary);
  overflow-y: auto;
  padding: var(--space-lg);
  transition: transform var(--transition-base), background-color var(--transition-base);
  z-index: 50;
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.sidebar-section {
  margin-bottom: var(--space-xl);
}

.sidebar-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
  padding: 0 var(--space-sm);
}

.sidebar-nav {
  list-style: none;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-sm);
  border-radius: 6px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 450;
  transition: all var(--transition-fast);
  margin-bottom: 2px;
}

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

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

.sidebar-nav a .icon {
  width: 16px;
  height: 16px;
  opacity: 0.6;
}

/* === Main Content === */
.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

.content {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-xl);
}

/* === Typography === */
h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.3;
}

h1 {
  font-size: 36px;
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: 24px;
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-primary);
}

h3 {
  font-size: 18px;
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

h4 {
  font-size: 15px;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-sm);
}

p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

.lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
}

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

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

ul, ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
  color: var(--text-secondary);
}

li {
  margin-bottom: var(--space-xs);
}

li::marker {
  color: var(--text-muted);
}

/* === Code Blocks === */
code {
  font-family: var(--font-mono);
  font-size: 13px;
}

:not(pre) > code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-primary);
}

.code-block {
  position: relative;
  margin: var(--space-lg) 0;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-code);
  border: 1px solid var(--border-primary);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-code-header);
  border-bottom: 1px solid var(--border-primary);
}

.code-lang {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.code-copy {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-family: var(--font-sans);
  cursor: pointer;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.code-copy:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

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

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

.code-block pre {
  margin: 0;
  padding: var(--space-md);
  overflow-x: auto;
  line-height: 1.6;
}

.code-block pre::-webkit-scrollbar {
  height: 6px;
}

.code-block pre::-webkit-scrollbar-track {
  background: transparent;
}

.code-block pre::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: 3px;
}

/* Syntax Highlighting - Light */
.code-block .keyword { color: #d73a49; }
.code-block .string { color: #22863a; }
.code-block .number { color: #005cc5; }
.code-block .comment { color: #6a737d; font-style: italic; }
.code-block .function { color: #6f42c1; }
.code-block .class { color: #6f42c1; }
.code-block .property { color: #005cc5; }
.code-block .operator { color: #d73a49; }

/* Syntax Highlighting - Dark */
[data-theme="dark"] .code-block .keyword { color: #ff7b72; }
[data-theme="dark"] .code-block .string { color: #a5d6ff; }
[data-theme="dark"] .code-block .number { color: #79c0ff; }
[data-theme="dark"] .code-block .comment { color: #8b949e; }
[data-theme="dark"] .code-block .function { color: #d2a8ff; }
[data-theme="dark"] .code-block .class { color: #f0883e; }
[data-theme="dark"] .code-block .property { color: #79c0ff; }
[data-theme="dark"] .code-block .operator { color: #ff7b72; }

/* === Callouts === */
.callout {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: 8px;
  margin: var(--space-lg) 0;
  border: 1px solid;
}

.callout-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.callout-content {
  flex: 1;
}

.callout-title {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: var(--space-xs);
}

.callout p {
  margin: 0;
  font-size: 14px;
}

.callout--info {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.2);
}

.callout--info .callout-icon,
.callout--info .callout-title {
  color: #3b82f6;
}

.callout--warning {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.2);
}

.callout--warning .callout-icon,
.callout--warning .callout-title {
  color: #f59e0b;
}

.callout--tip {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.2);
}

.callout--tip .callout-icon,
.callout--tip .callout-title {
  color: #10b981;
}

/* === Tables === */
.table-wrapper {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  border: 1px solid var(--border-primary);
  border-radius: 8px;
}

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

th, td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--border-primary);
}

th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

td {
  color: var(--text-secondary);
}

td code {
  font-size: 12px;
}

/* === Version Badge === */
.version-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  margin-left: var(--space-sm);
}

/* === Changelog === */
.changelog-item {
  position: relative;
  padding-left: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-left: 2px solid var(--border-primary);
  margin-left: var(--space-sm);
}

.changelog-item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.changelog-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.changelog-version {
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
}

.changelog-date {
  font-size: 13px;
  color: var(--text-muted);
  margin-left: var(--space-sm);
}

.changelog-item ul {
  margin-top: var(--space-sm);
  padding-left: var(--space-md);
}

/* === Documentation Images === */
.image-figure {
  margin: var(--space-lg) 0;
  text-align: center;
}

.doc-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: box-shadow var(--transition-base), transform var(--transition-fast);
  cursor: zoom-in;
}

.doc-image:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transform: scale(1.01);
}

/* === Image Lightbox === */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

[data-theme="dark"] .lightbox-backdrop {
  background: rgba(0, 0, 0, 0.92);
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-slow);
}

.lightbox.active .lightbox-content {
  transform: scale(1) translateY(0);
}

.lightbox-image {
  max-width: 100%;
  max-height: 85vh;
  border-radius: 12px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  transform: scale(1.1);
}

.lightbox-close:active {
  transform: scale(0.95);
}

.lightbox-close svg {
  width: 20px;
  height: 20px;
}

.lightbox-caption {
  position: absolute;
  bottom: -40px;
  left: 0;
  right: 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-style: italic;
}

/* Prevent body scroll when lightbox is open */
body.lightbox-open {
  overflow: hidden;
}

.image-figure figcaption {
  margin-top: var(--space-sm);
  font-size: 13px;
  color: var(--text-tertiary);
  font-style: italic;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.image-grid--4col {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.image-grid .image-figure {
  margin: 0;
}

.image-grid .doc-image {
  width: 100%;
  object-fit: cover;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .main {
    margin-left: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 40;
  }

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

@media (max-width: 640px) {
  :root {
    --space-3xl: 40px;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 20px;
  }

  .content {
    padding: var(--space-xl) var(--space-md);
  }

  .lead {
    font-size: 16px;
  }

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

/* === Smooth Section Transitions === */
section {
  animation: fadeIn 0.4s ease-out;
}

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

/* === Focus States === */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* === Print Styles === */
@media print {
  .header,
  .sidebar,
  .theme-toggle,
  .code-copy {
    display: none;
  }

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

  .content {
    max-width: 100%;
    padding: 0;
  }
}