@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&family=Fira+Code:wght@400;500&display=swap');

:root {
  /* Dark Mode is default */
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --accent: #06b6d4;
  --accent-rgb: 6, 182, 212;
  --accent-hover: #0891b2;
  --border: #374151;
  --shadow: rgba(0, 0, 0, 0.4);
  --header-height: 70px;
  --sidebar-width: 280px;
  --toc-width: 240px;
  --border-radius: 12px;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --accent: #0ea5e9;
  --accent-rgb: 14, 165, 233;
  --accent-hover: #0284c7;
  --border: #e2e8f0;
  --shadow: rgba(0, 0, 0, 0.05);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
}

h1, h2, h3, h4, h5 {
  font-family: 'Outfit', sans-serif;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.5em;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.75rem;
  margin-top: 2rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
}

p {
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

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

code {
  font-family: 'Fira Code', monospace;
  font-size: 0.9em;
  background-color: var(--bg-tertiary);
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
  border: 1px solid var(--border);
}

pre {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 1.25rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
  position: relative;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-primary);
}

/* Glassmorphic Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(var(--accent-rgb), 0.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  z-index: 1000;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), #3b82f6);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  box-shadow: 0 0 15px rgba(var(--accent-rgb), 0.4);
}

.logo-text {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  background: linear-gradient(to right, var(--text-primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.search-box {
  position: relative;
  width: 250px;
}

.search-input {
  width: 100%;
  padding: 0.5rem 1rem 0.5rem 2.25rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  outline: none;
  font-size: 0.9rem;
  transition: all 0.3s;
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.2);
  width: 300px;
}

.search-box::before {
  content: "🔍";
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  opacity: 0.6;
}

.theme-toggle-btn {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s;
}

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

/* Layout Grid */
.container {
  display: flex;
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* Sidebar Navigation */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 2rem 1.5rem;
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  overflow-y: auto;
  z-index: 900;
  transition: transform 0.3s ease;
}

.sidebar-group {
  margin-bottom: 2rem;
}

.sidebar-group-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  font-weight: 700;
  margin-bottom: 0.75rem;
  padding-left: 0.5rem;
}

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

.sidebar-item a {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--text-secondary);
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s;
}

.sidebar-item a:hover {
  color: var(--accent);
  background-color: var(--bg-tertiary);
  text-decoration: none;
  transform: translateX(3px);
}

.sidebar-item.active a {
  color: var(--text-primary);
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.15), transparent);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
}

/* Main Content Area */
.main-content {
  margin-left: var(--sidebar-width);
  margin-right: var(--toc-width);
  flex: 1;
  padding: 3rem 4rem;
  max-width: 900px;
}

.doc-section {
  display: none;
  animation: fadeIn 0.4s ease-in-out forwards;
}

.doc-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Table of Contents (TOC) Right Sidebar */
.toc-sidebar {
  width: var(--toc-width);
  position: fixed;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  border-left: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  background-color: var(--bg-primary);
  overflow-y: auto;
  z-index: 800;
}

.toc-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  font-weight: 700;
  margin-bottom: 1rem;
}

.toc-list {
  list-style: none;
}

.toc-item {
  margin-bottom: 0.5rem;
}

.toc-item a {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

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

/* Callout Alerts */
.callout {
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--border);
  border-radius: 0 8px 8px 0;
  background-color: var(--bg-secondary);
  margin-bottom: 1.5rem;
}

.callout.callout-info {
  border-left-color: #3b82f6;
  background-color: rgba(59, 130, 246, 0.05);
}

.callout.callout-warning {
  border-left-color: #f59e0b;
  background-color: rgba(245, 158, 11, 0.05);
}

.callout.callout-tip {
  border-left-color: #10b981;
  background-color: rgba(16, 185, 129, 0.05);
}

.callout-title {
  font-weight: 700;
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), #3b82f6);
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
  border-color: var(--accent);
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Interactive Playground Panels */
.playground-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  margin-top: 2rem;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.playground-header {
  background-color: var(--bg-tertiary);
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.playground-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.playground-tabs {
  display: flex;
  gap: 0.5rem;
}

.playground-tab {
  background: none;
  border: none;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.playground-tab.active {
  background-color: var(--bg-primary);
  color: var(--accent);
}

.playground-body {
  padding: 1.5rem;
}

.api-request-row {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.api-method {
  background-color: #10b981;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
}

.api-url-input {
  flex: 1;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  padding: 0 1rem;
  outline: none;
}

.api-send-btn {
  background-color: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background-color 0.2s;
}

.api-send-btn:hover {
  background-color: var(--accent-hover);
}

.api-response-panel {
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  min-height: 150px;
  max-height: 250px;
  overflow-y: auto;
}

/* AI Command Room Simulator */
.ai-sim-input-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.ai-sim-input {
  flex: 1;
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  padding: 0.6rem 1rem;
  outline: none;
  font-size: 0.9rem;
}

.ai-sim-send-btn {
  background-color: #3b82f6;
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0 1.25rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.ai-sim-send-btn:hover {
  background-color: #2563eb;
}

.ai-sim-suggest {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.ai-suggest-tag {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.8rem;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.ai-suggest-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.ai-sim-screen {
  background-color: #05070f;
  border: 1px solid #1e293b;
  border-radius: 8px;
  padding: 1rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  color: #a855f7; /* Purple terminals look awesome */
  min-height: 180px;
  overflow-y: auto;
}

.ai-sim-response-text {
  color: #e2e8f0;
  white-space: pre-wrap;
}

/* Mobile responsive styling */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1100;
}

@media (max-width: 1024px) {
  .main-content {
    margin-right: 0;
    padding: 2rem;
  }
  .toc-sidebar {
    display: none;
  }
}

@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0;
    padding: 1.5rem;
  }
  .search-box {
    display: none;
  }
}