/* Snapshot-Sleuth Portfolio Styles */
/* Dark theme for technical case study presentation */

:root {
  --background-color: #0d1117;
  --text-color: #c9d1d9;
  --heading-color: #f0f6fc;
  --link-color: #58a6ff;
  --link-hover-color: #79c0ff;
  --code-background: #161b22;
  --border-color: #30363d;
  --tag-background: #21262d;
  --accent-color: #238636;
  --accent-blue: #3b82f6;
  --muted-color: #8b949e;
  --table-border: #30363d;
  --table-header-bg: #161b22;
  --blockquote-border: #3b5998;
}

/* Base styles */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  margin: 0;
  padding: 0;
}

/* Layout */
.wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

.page-content {
  padding: 2rem 0;
  min-height: calc(100vh - 200px);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--heading-color);
  font-weight: 600;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

h1 { font-size: 2em; }
h2 { font-size: 1.5em; border-bottom: 1px solid var(--border-color); padding-bottom: 0.3em; }
h3 { font-size: 1.25em; }
h4 { font-size: 1em; }

p {
  margin-bottom: 1em;
}

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

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

strong {
  color: var(--heading-color);
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  background-color: var(--code-background);
}

.site-header .wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--heading-color);
  text-decoration: none;
}

.site-title:hover {
  color: var(--link-color);
  text-decoration: none;
}

.site-tagline {
  color: var(--muted-color);
  font-size: 0.875rem;
  margin-left: 1rem;
}

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav .trigger {
  display: flex;
  gap: 1.5rem;
}

.site-nav .page-link {
  color: var(--text-color);
  font-weight: 500;
}

.site-nav .page-link:hover {
  color: var(--link-color);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  background-color: var(--code-background);
  margin-top: 3rem;
}

.footer-heading {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.footer-col-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-col {
  flex: 1;
  min-width: 200px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.social-media-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.social-media-list li {
  display: flex;
  align-items: center;
}

.svg-icon {
  width: 16px;
  height: 16px;
  fill: var(--muted-color);
  margin-right: 0.5rem;
}

/* Home Page Hero */
.hero {
  text-align: center;
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: 3rem;
  margin: 0 0 0.5rem;
  background: linear-gradient(135deg, var(--link-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .tagline {
  font-size: 1.25rem;
  color: var(--muted-color);
  margin: 0;
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.metric {
  background: var(--code-background);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
}

.metric-value {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-blue);
  line-height: 1;
}

.metric-label {
  display: block;
  font-size: 0.875rem;
  color: var(--muted-color);
  margin-top: 0.5rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--code-background), #1a2332);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  margin: 2rem 0;
}

.cta-section h2 {
  border: none;
  padding: 0;
  margin-top: 0;
}

.cta-section p {
  color: var(--muted-color);
  margin-bottom: 1.5rem;
}

.cta-button {
  display: inline-block;
  background: var(--accent-blue);
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 6px;
  font-weight: 600;
  transition: background 0.2s ease;
}

.cta-button:hover {
  background: #2563eb;
  color: white;
  text-decoration: none;
}

/* Links Section */
.links-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.link-item {
  display: block;
  background: var(--code-background);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  transition: border-color 0.2s ease;
}

.link-item:hover {
  border-color: var(--link-color);
  text-decoration: none;
}

.link-item strong {
  display: block;
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.link-item span {
  color: var(--muted-color);
  font-size: 0.875rem;
}

/* Case Study Layout */
.case-study {
  padding: 2rem 0;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

.case-study-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.case-study-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.back-link {
  color: var(--muted-color);
  font-size: 0.875rem;
}

.back-link:hover {
  color: var(--link-color);
}

.reading-time {
  color: var(--muted-color);
  font-size: 0.875rem;
}

.case-study-header h1 {
  font-size: 2.5rem;
  margin: 0 0 0.75rem;
  line-height: 1.2;
}

.case-study-header .subtitle {
  font-size: 1.25rem;
  color: var(--muted-color);
  margin: 0 0 1.5rem;
  font-weight: 400;
}

.author-date {
  color: var(--muted-color);
  font-size: 0.875rem;
}

.author-date .author {
  color: var(--text-color);
}

.author-date .separator {
  margin: 0 0.5rem;
}

.case-study-content {
  font-size: 1.0625rem;
}

.case-study-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-nav {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-link {
  color: var(--link-color);
  font-weight: 500;
}

/* Code blocks */
pre, code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.875rem;
}

code {
  background-color: var(--code-background);
  padding: 0.2em 0.4em;
  border-radius: 6px;
}

pre {
  background-color: var(--code-background);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
}

pre code {
  background: none;
  padding: 0;
}

/* Syntax highlighting (rouge) */
.highlight {
  background-color: var(--code-background);
  border-radius: 6px;
  margin-bottom: 1em;
}

.highlight .lineno {
  color: var(--muted-color);
  padding-right: 1rem;
  user-select: none;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

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

th {
  background-color: var(--table-header-bg);
  font-weight: 600;
}

tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Blockquotes */
blockquote {
  border-left: 4px solid var(--blockquote-border);
  margin: 1.5rem 0;
  padding: 0.5rem 1rem;
  color: var(--muted-color);
  background-color: var(--code-background);
  border-radius: 0 6px 6px 0;
}

blockquote p:last-child {
  margin-bottom: 0;
}

/* Lists */
ul, ol {
  margin-bottom: 1em;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.25em;
}

/* Mermaid diagrams */
.mermaid {
  background-color: var(--code-background);
  border-radius: 6px;
  padding: 1rem;
  margin: 1.5rem 0;
  text-align: center;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

/* Horizontal rules */
hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 2rem 0;
}

/* Responsive design */
@media (max-width: 768px) {
  .wrapper,
  .case-study {
    padding: 0 1rem;
  }

  .site-header .wrapper {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-tagline {
    margin-left: 0;
    margin-top: 0.25rem;
  }

  .site-nav {
    width: 100%;
    margin-top: 1rem;
  }

  .site-nav .trigger {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-value {
    font-size: 2rem;
  }

  .case-study-header h1 {
    font-size: 1.75rem;
  }

  .case-study-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .footer-col-wrapper {
    flex-direction: column;
  }

  .footer-nav {
    flex-direction: column;
    text-align: center;
  }

  table {
    font-size: 0.875rem;
  }

  th, td {
    padding: 0.5rem;
  }
}

/* Print styles */
@media print {
  body {
    background: white;
    color: black;
  }

  .site-header,
  .site-footer,
  .site-nav,
  .back-link,
  .footer-nav {
    display: none;
  }

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

  a {
    color: black;
    text-decoration: underline;
  }

  pre, code {
    background: #f6f8fa;
    border: 1px solid #ddd;
  }

  .mermaid {
    background: white;
    border: 1px solid #ddd;
  }
}