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

:root {
  --primary: #0d6efd;
  --primary-dark: #0a58ca;
  --success: #198754;
  --error: #dc3545;
  --warning: #ffc107;
  --bg-dark: #0f172a;
  --bg-darker: #0a0f1a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #64ffda;
  --code-bg: rgba(0, 0, 0, 0.3);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
  min-height: 100vh;
  color: var(--text-primary);
  line-height: 1.6;
}

/* Top Navigation */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.1rem;
}

.nav-logo img {
  height: 32px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 8px 12px;
  border-radius: 6px;
  transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

/* Layout */
.layout {
  display: flex;
  padding-top: 64px;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 64px;
  left: 0;
  width: 260px;
  height: calc(100vh - 64px);
  background: rgba(15, 23, 42, 0.5);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
}

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

.sidebar-section {
  margin-bottom: 24px;
}

.sidebar-section h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding: 0 12px;
}

.sidebar-section ul {
  list-style: none;
}

.sidebar-section li {
  margin-bottom: 2px;
}

.sidebar-section a {
  display: block;
  padding: 8px 12px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: 6px;
  transition: all 0.2s;
}

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

.sidebar-section a.active {
  color: var(--accent);
  background: rgba(100, 255, 218, 0.1);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 40px 60px;
  max-width: 900px;
}

/* Sections */
.doc-section {
  margin-bottom: 60px;
  animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.doc-section h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: #fff;
}

.doc-section h2 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: #fff;
  padding-top: 20px;
}

.doc-section h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 24px 0 12px;
  color: var(--text-primary);
}

.lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.lead a {
  color: var(--accent);
  text-decoration: none;
}

.lead a:hover {
  text-decoration: underline;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.2s;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.feature-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Code Blocks */
.code-block {
  position: relative;
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin: 12px 0;
  overflow-x: auto;
}

.code-block code,
.code-block pre {
  font-family: 'SF Mono', 'Monaco', 'Consolas', 'Liberation Mono', monospace;
  font-size: 0.9rem;
  color: var(--accent);
  background: none;
  margin: 0;
}

.code-block pre {
  white-space: pre;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 10px;
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}

/* Endpoint Header */
.endpoint-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.method {
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.method.get {
  background: rgba(25, 135, 84, 0.2);
  color: #4ade80;
}

.method.post {
  background: rgba(13, 110, 253, 0.2);
  color: #60a5fa;
}

.method.put {
  background: rgba(255, 193, 7, 0.2);
  color: #fbbf24;
}

.method.delete {
  background: rgba(220, 53, 69, 0.2);
  color: #f87171;
}

.path {
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: 1rem;
  color: var(--text-primary);
}

/* Parameters Table */
.params-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.params-table th,
.params-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.params-table th {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background: var(--bg-card);
}

.params-table td {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.params-table code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--accent);
}

.required {
  background: rgba(220, 53, 69, 0.2);
  color: #f87171;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Status Codes */
.status-code {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

.status-code.success {
  background: rgba(25, 135, 84, 0.2);
  color: #4ade80;
}

.status-code.error {
  background: rgba(220, 53, 69, 0.2);
  color: #f87171;
}

.error-response {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Steps */
.steps {
  margin: 24px 0;
}

.step {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
}

.step-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  color: #fff;
}

.step-content {
  flex: 1;
}

.step-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

/* Notes */
.note {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-style: italic;
}

.note code {
  font-style: normal;
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent);
}

/* Footer */
.doc-footer {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.doc-footer a {
  color: var(--accent);
  text-decoration: none;
}

.doc-footer a:hover {
  text-decoration: underline;
}

.api-note {
  margin-top: 12px;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .sidebar {
    display: none;
  }

  .main-content {
    margin-left: 0;
    padding: 24px;
    max-width: 100%;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .nav-links {
    display: none;
  }

  .doc-section h1 {
    font-size: 1.75rem;
  }

  .doc-section h2 {
    font-size: 1.35rem;
  }

  .params-table {
    font-size: 0.8rem;
  }

  .params-table th,
  .params-table td {
    padding: 8px;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}