/* OSSP Technical Documentation Site */

:root {
  --primary-blue: #0969da;
  --primary-blue-light: #4184e6;
  --text-primary: #1f2328;
  --text-secondary: #656d76;
  --text-muted: #8b949e;
  --background: #ffffff;
  --background-light: #f6f8fa;
  --background-code: #f6f8fa;
  --border: #d1d9e0;
  --border-light: #d8dee4;
  --accent: #0969da;
  --success: #1a7f37;
  --warning: #bf8700;
  --danger: #d1242f;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--background);
  font-size: 14px;
}

/* Header */
.header {
  background: var(--background);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-blue);
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 24px;
  margin-left: auto;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary-blue);
  border-bottom-color: var(--primary-blue);
}

/* Main Content */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.main-content {
  padding: 32px 0;
}

/* Page Header */
.page-header {
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.page-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Content Sections */
.section {
  margin-bottom: 48px;
}

.section-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 8px;
}

.subsection-title {
  font-size: 20px;
  font-weight: 600;
  margin: 24px 0 12px 0;
  color: var(--text-primary);
}

/* Text Styles */
p {
  margin-bottom: 16px;
  color: var(--text-primary);
  line-height: 1.6;
}

.lead {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

ul, ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

li {
  margin-bottom: 4px;
  color: var(--text-primary);
}

/* Links */
a {
  color: var(--primary-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Code Blocks */
code {
  background: var(--background-code);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 12px;
  border: 1px solid var(--border);
}

.code-block {
  background: var(--background-code);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin: 16px 0;
  overflow-x: auto;
}

.code-block pre {
  padding: 16px;
  margin: 0;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-primary);
}

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 16px 0;
  border: 1px solid var(--border);
}

th, td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}

th {
  background: var(--background-light);
  font-weight: 600;
}

/* Cards/Boxes */
.info-box {
  background: var(--background-light);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  margin: 16px 0;
}

.info-box h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 16px;
  font-weight: 600;
}

.warning-box {
  background: #fff8dc;
  border: 1px solid #f4c430;
  border-left: 4px solid var(--warning);
  border-radius: 6px;
  padding: 16px;
  margin: 16px 0;
}

.note-box {
  background: #e7f3ff;
  border: 1px solid #b3d8ff;
  border-left: 4px solid var(--primary-blue);
  border-radius: 6px;
  padding: 16px;
  margin: 16px 0;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 8px 16px;
  background: var(--primary-blue);
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  font-size: 14px;
  border: 1px solid var(--primary-blue);
  transition: all 0.15s;
  cursor: pointer;
}

.btn:hover {
  background: var(--primary-blue-light);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--primary-blue);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background: var(--background-light);
  color: var(--primary-blue);
}

/* Grid Layout */
.grid {
  display: grid;
  gap: 24px;
  margin: 24px 0;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Event Type Cards */
.event-card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  transition: border-color 0.15s;
}

.event-card:hover {
  border-color: var(--primary-blue);
}

.event-card h3 {
  margin: 0 0 8px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

.event-card p {
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  background: var(--background-light);
  border-top: 1px solid var(--border);
  padding: 24px 0;
  margin-top: 48px;
  text-align: center;
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
}

.footer-links a:hover {
  color: var(--primary-blue);
}

.footer p {
  color: var(--text-muted);
  font-size: 12px;
  margin-bottom: 4px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav {
    padding: 0 16px;
    flex-wrap: wrap;
  }

  .nav-links {
    gap: 16px;
  }

  .container {
    padding: 0 16px;
  }

  .page-title {
    font-size: 28px;
  }

  .page-subtitle {
    font-size: 16px;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }

/* Badge */
.badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--primary-blue);
  color: white;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.badge-success {
  background: var(--success);
}

.badge-warning {
  background: var(--warning);
}

/* Special Sections */
.toc {
  background: var(--background-light);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  margin: 24px 0;
}

.toc h3 {
  margin: 0 0 12px 0;
  font-size: 16px;
  font-weight: 600;
}

.toc ul {
  margin: 0;
  padding-left: 20px;
}

.toc li {
  margin-bottom: 4px;
}

.toc a {
  color: var(--text-primary);
  text-decoration: none;
}

.toc a:hover {
  color: var(--primary-blue);
}