/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html.dark {
  color-scheme: dark;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Light mode */
body {
  background-color: #ffffff;
  color: #111827;
}

/* Dark mode */
html.dark body {
  background-color: #111827;
  color: #f3f4f6;
}

/* Color utilities */
.bg-white { background-color: #ffffff; }
.bg-gray-50 { background-color: #f9fafb; }
html.dark .bg-gray-50 { background-color: #111827; }

.bg-gray-100 { background-color: #f3f4f6; }
html.dark .bg-gray-100 { background-color: #1f2937; }

.bg-gray-200 { background-color: #e5e7eb; }
html.dark .bg-gray-200 { background-color: #374151; }

.bg-gray-800 { background-color: #1f2937; }
.bg-gray-900 { background-color: #111827; }
.bg-blue-600 { background-color: #2563eb; }
html.dark .bg-blue-600 { background-color: #1d4ed8; }
.bg-blue-500 { background-color: #3b82f6; }
html.dark .bg-blue-500 { background-color: #2563eb; }

/* Text colors */
.text-white { color: #ffffff; }
.text-gray-600 { color: #4b5563; }
html.dark .text-gray-600 { color: #9ca3af; }

.text-gray-700 { color: #374151; }
html.dark .text-gray-700 { color: #d1d5db; }

.text-gray-400 { color: #9ca3af; }
html.dark .text-gray-400 { color: #d1d5db; }

.text-gray-900 { color: #111827; }
html.dark .text-gray-900 { color: #f3f4f6; }

.text-gray-300 { color: #d1d5db; }
.text-blue-600 { color: #2563eb; }
html.dark .text-blue-600 { color: #60a5fa; }

.text-blue-700 { color: #1d4ed8; }
html.dark .text-blue-700 { color: #3b82f6; }

.text-blue-400 { color: #60a5fa; }
.text-blue-300 { color: #93c5fd; }

.dark .text-white { color: #ffffff; }
.dark .text-gray-300 { color: #d1d5db; }
.dark .text-gray-400 { color: #9ca3af; }
.dark .text-gray-900 { color: #f3f4f6; }
.dark .text-blue-400 { color: #60a5fa; }

/* Border colors */
.border-gray-200 { border-color: #e5e7eb; }
html.dark .border-gray-200 { border-color: #374151; }

.border-gray-700 { border-color: #374151; }
.border-blue-500 { border-color: #3b82f6; }

/* Sizing */
.max-w-4xl { max-width: 56rem; }
.max-w-none { max-width: none; }
.min-h-screen { min-height: 100vh; }
.h-16 { height: 4rem; }
.w-full { width: 100%; }

/* Spacing */
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }

.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }

.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }

.mt-3 { margin-top: 0.75rem; }
.mt-6 { margin-top: 1.5rem; }

.ml-6 { margin-left: 1.5rem; }
.pb-8 { padding-bottom: 2rem; }
.pl-4 { padding-left: 1rem; }
.pt-8 { padding-top: 2rem; }

/* Layout */
.mx-auto { margin-left: auto; margin-right: auto; }
.flex { display: flex; }
.flex-shrink-0 { flex-shrink: 0; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.inline-block { display: inline-block; }

.space-x-4 > * + * { margin-left: 1rem; }
.space-x-6 > * + * { margin-left: 1.5rem; }
.space-x-8 > * + * { margin-left: 2rem; }

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }

.gap-8 { gap: 2rem; }

/* Border and radius */
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.border { border-width: 1px; border-style: solid; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.border-t { border-top-width: 1px; border-top-style: solid; }
.border-l-4 { border-left-width: 4px; border-left-style: solid; }

/* Typography */
.text-sm { font-size: 0.875rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.text-5xl { font-size: 3rem; }

.font-mono { font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', 'Courier', monospace; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

.leading-relaxed { line-height: 1.625; }

.no-underline { text-decoration: none; }

/* Links */
a {
  color: #2563eb;
  text-decoration: none;
  transition: color 0.2s;
}

html.dark a {
  color: #60a5fa;
}

a:hover {
  color: #1d4ed8;
  text-decoration: underline;
}

html.dark a:hover {
  color: #3b82f6;
}

/* Lists */
ul, ol {
  margin-bottom: 1rem;
  margin-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Code */
code {
  background-color: #f3f4f6;
  color: #111827;
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Courier New', 'Courier', monospace;
  font-size: 0.875rem;
}

html.dark code {
  background-color: #1f2937;
  color: #f3f4f6;
}

pre {
  background-color: #f3f4f6;
  padding: 1rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin-bottom: 1rem;
}

html.dark pre {
  background-color: #1f2937;
}

pre code {
  background-color: transparent;
  padding: 0;
  margin: 0;
}

/* Blockquote */
blockquote {
  border-left-width: 4px;
  border-left-color: #3b82f6;
  padding-left: 1rem;
  font-style: italic;
  color: #4b5563;
  margin-bottom: 1rem;
}

html.dark blockquote {
  color: #9ca3af;
}

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

th, td {
  border-width: 1px;
  border-color: #d1d5db;
  padding: 1rem;
  text-align: left;
}

html.dark th, html.dark td {
  border-color: #374151;
}

th {
  background-color: #f3f4f6;
  font-weight: 700;
}

html.dark th {
  background-color: #1f2937;
}

/* Buttons */
button {
  cursor: pointer;
  transition: all 0.2s;
}

.hover\:shadow-lg:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.hover\:text-blue-700:hover {
  color: #1d4ed8;
}

.hover\:text-blue-300:hover {
  color: #93c5fd;
}

.hover\:bg-gray-300:hover {
  background-color: #d1d5db;
}

html.dark .hover\:bg-gray-600:hover {
  background-color: #4b5563;
}

.hover\:bg-blue-700:hover {
  background-color: #1d4ed8;
}

html.dark .hover\:bg-blue-600:hover {
  background-color: #2563eb;
}

.dark\:hidden { display: none; }
html.dark .dark\:hidden { display: none; }

.hidden.dark\:inline {
  display: none;
}

html.dark .hidden.dark\:inline {
  display: inline;
}

.transition {
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

.transition-colors {
  transition-property: background-color, border-color, color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

/* Responsive */
@media (min-width: 640px) {
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:gap-8 { gap: 2rem; }
}

@media (min-width: 1024px) {
  .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
}

/* Text content */
p {
  margin-bottom: 1rem;
  line-height: 1.625;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

h1 {
  font-size: 1.875rem;
}

h2 {
  font-size: 1.5rem;
}

h3 {
  font-size: 1.25rem;
}

article h1:first-child {
  margin-top: 0;
}

.last\:border-b-0:last-child {
  border-bottom-width: 0px;
}

/* Dark mode utilities */
.dark\:block {
  display: none;
}

html.dark .dark\:block {
  display: block;
}

.dark\:bg-gray-700 {
  background-color: #374151;
}

html.dark .dark\:bg-gray-700 {
  background-color: #374151;
}

.dark\:bg-gray-800 {
  background-color: #1f2937;
}

html.dark .dark\:bg-gray-800 {
  background-color: #1f2937;
}

.dark\:bg-gray-900 {
  background-color: #111827;
}

html.dark .dark\:bg-gray-900 {
  background-color: #111827;
}

.dark\:text-white {
  color: #f3f4f6;
}

html.dark .dark\:text-white {
  color: #f3f4f6;
}

.dark\:text-blue-400 {
  color: #60a5fa;
}

html.dark .dark\:text-blue-400 {
  color: #60a5fa;
}

.dark\:text-blue-300 {
  color: #93c5fd;
}

html.dark .dark\:text-blue-300 {
  color: #93c5fd;
}

.dark\:border-gray-700 {
  border-color: #374151;
}

html.dark .dark\:border-gray-700 {
  border-color: #374151;
}

.dark\:text-gray-300 {
  color: #d1d5db;
}

html.dark .dark\:text-gray-300 {
  color: #d1d5db;
}

.hover\:text-gray-900:hover {
  color: #111827;
}

html.dark .hover\:text-white:hover {
  color: #ffffff;
}