:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #111936;
  --text: #edf2ff;
  --muted: #aab7d4;
  --accent: #7dd3fc;
  --accent-2: #c084fc;
  --border: #263250;
  --success: #34d399;
  --warning: #fbbf24;
  --error: #f87171;
  --code-bg: #070b16;
  --code-text: #e2e8f0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { 
  box-sizing: border-box; 
}

body {
  margin: 0;
  background: radial-gradient(circle at top left, rgba(125, 211, 252, 0.16), transparent 32rem), var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 1.05rem;
}

/* Typography enhancements */
h1, h2, h3, h4, h5, h6 {
  margin-top: 2.2rem;
  margin-bottom: 1rem;
  line-height: 1.2;
  font-weight: 700;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 5rem);
  margin-top: 1rem;
  margin-bottom: 1.2rem;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-top: 2.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--border);
}

h3 {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
}

h4 {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
}

h5 {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
}

h6 {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
}

p {
  margin-top: 0;
  margin-bottom: 1.2rem;
}

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

a:hover { 
  text-decoration: underline; 
}

main, .site-header, .site-footer { 
  width: min(1080px, calc(100% - 2rem)); 
  margin: 0 auto; 
}

.site-header { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  padding: 1.25rem 0; 
  border-bottom: 1px solid var(--border); 
}

.brand { 
  color: var(--text); 
  font-weight: 800; 
  letter-spacing: 0.02em; 
  font-size: 1.4rem;
}

nav { 
  display: flex; 
  gap: 1.5rem; 
}

.hero { 
  padding: 5rem 0 3rem; 
  max-width: 760px; 
}

.eyebrow, .meta { 
  color: var(--muted); 
  font-size: 0.95rem; 
}

.button { 
  display: inline-block; 
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); 
  color: #08101f; 
  font-weight: 800; 
  padding: 0.75rem 1rem; 
  border-radius: 999px; 
}

.post-list { 
  display: grid; 
  gap: 1.5rem; 
  margin: 1.5rem 0 3rem; 
}

.post-list article, .post { 
  background: rgba(17, 25, 54, 0.78); 
  border: 1px solid var(--border); 
  border-radius: 1.25rem; 
  padding: 1.75rem; 
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.post { 
  max-width: 820px; 
  margin: 2rem auto 4rem; 
}

.post h1 { 
  font-size: clamp(2rem, 5vw, 3.5rem); 
}

.tags { 
  display: flex; 
  flex-wrap: wrap; 
  gap: 0.5rem; 
  margin: 1rem 0;
}

.tags span { 
  border: 1px solid var(--border); 
  border-radius: 999px; 
  padding: 0.2rem 0.75rem; 
  color: var(--muted); 
  font-size: 0.9rem;
}

.page-heading { 
  max-width: 760px; 
  padding: 3rem 0 1rem; 
}

.site-footer { 
  border-top: 1px solid var(--border); 
  padding: 2rem 0; 
  color: var(--muted); 
}

/* Code block improvements */
code, pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
  line-height: 1.5;
}

pre {
  position: relative;
  overflow-x: auto;
  padding: 1.25rem 1.5rem;
  border-radius: 0.75rem;
  background: var(--code-bg);
  margin: 1.5rem 0;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.3);
}

/* Inline code */
:not(pre) > code {
  background-color: rgba(139, 69, 193, 0.15);
  padding: 0.2em 0.4em;
  border-radius: 0.3em;
  color: var(--accent-2);
  font-weight: 500;
}

/* Copy button for code blocks */
pre::before {
  content: attr(data-lang);
  position: absolute;
  top: 0;
  right: 0;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  background: rgba(139, 69, 193, 0.25);
  border-bottom-left-radius: 0.5rem;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

pre[data-lang=""]::before {
  display: none;
}

.copy-code-button {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  color: var(--muted);
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.copy-code-button:hover {
  background: rgba(125, 211, 252, 0.2);
  color: var(--accent);
}

.copy-code-button.copied {
  background: rgba(52, 211, 153, 0.2);
  color: var(--success);
}

/* Code line numbers */
pre[class*="language-"] {
  padding-left: 3.5rem;
}

pre[class*="language-"]::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3rem;
  background: rgba(0, 0, 0, 0.2);
  border-right: 1px solid var(--border);
}

/* Special components */

/* TL;DR Box */
.tldr {
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid var(--success);
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.tldr::before {
  content: "TL;DR";
  display: block;
  font-weight: 700;
  color: var(--success);
  margin-bottom: 0.5rem;
}

/* Prerequisites Checklist */
.prerequisites {
  background: rgba(125, 211, 252, 0.1);
  border: 1px solid var(--accent);
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.prerequisites::before {
  content: "Prerequisites";
  display: block;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.prerequisites ul {
  margin: 0;
  padding-left: 1.5rem;
}

.prerequisites li {
  margin-bottom: 0.5rem;
}

.prerequisites li::before {
  content: "✓";
  color: var(--success);
  margin-right: 0.5rem;
}

/* Warning Box */
.warning {
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid var(--warning);
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.warning::before {
  content: "Warning";
  display: block;
  font-weight: 700;
  color: var(--warning);
  margin-bottom: 0.5rem;
}

/* Error Box */
.error {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid var(--error);
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.error::before {
  content: "Error";
  display: block;
  font-weight: 700;
  color: var(--error);
  margin-bottom: 0.5rem;
}

/* Images and figures */
img {
  max-width: 100%;
  height: auto;
  border-radius: 1rem;
  border: 1px solid var(--border);
}

figure {
  margin: 2rem 0;
  text-align: center;
}

figcaption {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 0.65rem;
  text-align: center;
}

/* Lists */
ul, ol {
  margin-top: 0;
  margin-bottom: 1.2rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.4rem;
}

/* Blockquotes */
blockquote {
  margin: 1.5rem 0;
  padding: 0.1rem 1.5rem;
  border-left: 4px solid var(--accent);
  color: var(--muted);
  font-style: italic;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: rgba(17, 25, 54, 0.5);
  border-radius: 0.5rem;
  overflow: hidden;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: rgba(125, 211, 252, 0.1);
  font-weight: 600;
}

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

/* Responsive improvements */
@media (max-width: 768px) {
  .post-list article, .post {
    padding: 1.25rem;
  }
  
  pre {
    padding: 1rem 1.25rem;
  }
  
  pre[class*="language-"] {
    padding-left: 2.5rem;
  }
  
  pre[class*="language-"]::after {
    width: 2rem;
  }
  
  nav {
    gap: 1rem;
  }
}