/* Color Palette & Variables */
:root {
  --bg-color: #0c0d12;
  --panel-bg: #131520;
  --border-color: #1f2235;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --brand-primary: #466eb3;
  --brand-hover: #5d87cc;
  --accent-precedent: #e53e3e;
  --accent-judgment: #dd6b20;
  --accent-concept: #3182ce;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.5);
  --transition: all 0.2s ease;
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  padding: 0;
  margin: 0;
}

a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Layout */
.site-header {
  background-color: var(--panel-bg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 2rem;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.site-logo:hover {
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.site-nav a:hover {
  color: var(--text-primary);
  background-color: rgba(255,255,255,0.05);
  text-decoration: none;
}

.site-nav a.nav-active {
  color: #93c5fd;
  background-color: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.site-nav .nav-admin {
  color: var(--brand-primary);
  border: 1px solid rgba(70, 110, 179, 0.3);
}

.site-nav .nav-admin:hover {
  border-color: rgba(70, 110, 179, 0.6);
  background-color: rgba(70, 110, 179, 0.1);
}

.site-nav .nav-separator {
  width: 1px;
  height: 1.25rem;
  background-color: var(--border-color);
  margin: 0 0.25rem;
}

@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
  }
  .site-nav {
    flex-wrap: wrap;
    gap: 0.15rem;
  }
  .site-nav a {
    font-size: 0.8rem;
    padding: 0.3rem 0.6rem;
  }
}

.site-main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
  min-height: calc(100vh - 180px);
}

/* Wiki Page Structure */
.wiki-page {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.page-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.breadcrumbs {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.breadcrumbs a {
  color: var(--text-secondary);
}

.breadcrumbs a:hover {
  color: var(--brand-primary);
}

.breadcrumbs .current {
  color: var(--text-primary);
}

.page-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.page-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.quality-badge {
  background-color: rgba(70, 110, 179, 0.15);
  border: 1px solid var(--brand-primary);
  color: var(--brand-hover);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* Markdown Rendering Content */
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 {
  color: var(--text-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.markdown-body h1 { font-size: 1.75rem; border-bottom: 1px solid var(--border-color); padding-bottom: 0.5rem; }
.markdown-body h2 { font-size: 1.5rem; }
.markdown-body h3 { font-size: 1.25rem; }

.markdown-body p {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.markdown-body ul, .markdown-body ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.markdown-body li {
  margin-bottom: 0.25rem;
}

.markdown-body blockquote {
  border-left: 4px solid var(--brand-primary);
  padding: 0.5rem 1rem;
  background-color: rgba(255, 255, 255, 0.02);
  margin: 1rem 0;
  color: var(--text-secondary);
  font-style: italic;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

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

.markdown-body th {
  background-color: rgba(255, 255, 255, 0.03);
  font-weight: 600;
}

.markdown-body tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.01);
}

.markdown-body code {
  font-family: SFMono-Regular, Consolas, monospace;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.markdown-body pre {
  background-color: #050508;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
}

.markdown-body pre code {
  background-color: transparent;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

/* Landing Page Specifics */
.landing-hero {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem 0;
}

.landing-hero h1 {
  font-size: 2.75rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.landing-hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.search-container {
  max-width: 600px;
  margin: 0 auto 3rem auto;
}

.graph-section {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-md);
}

.graph-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  text-align: center;
}

.graph-container {
  width: 100%;
  height: 500px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.directory-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.directory-column {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.directory-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.directory-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.directory-count {
  background-color: var(--brand-primary);
  color: white;
  font-size: 0.8rem;
  font-weight: bold;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
}

.directory-list {
  list-style: none;
  max-height: 300px;
  overflow-y: auto;
}

.directory-list li {
  margin-bottom: 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 404 Error Styles */
.error-container {
  max-width: 600px;
  margin: 5rem auto;
  text-align: center;
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 3rem;
  box-shadow: var(--shadow-md);
}

.error-container h1 {
  font-size: 3rem;
  color: var(--accent-precedent);
  margin-bottom: 1rem;
}

.error-container p {
  margin-bottom: 2rem;
}

/* Footer Styling */
.site-footer {
  background-color: var(--panel-bg);
  border-top: 1px solid var(--border-color);
  padding: 2rem;
  margin-top: 4rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-primary);
}

/* Pagefind Custom Theme Styles */
#search {
  --pagefind-ui-scale: 0.85;
  --pagefind-ui-primary: var(--brand-primary);
  --pagefind-ui-text: var(--text-primary);
  --pagefind-ui-background: #0f111a;
  --pagefind-ui-border: var(--border-color);
  --pagefind-ui-tag: #1f293d;
  --pagefind-ui-font: system-ui, -apple-system, sans-serif;
}

/* Flag/Report Button */
.flag-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

.flag-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: 8px;
  background: rgba(239, 68, 68, 0.06);
  color: #f87171;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.flag-btn:hover {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

.flag-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Flag Modal */
.flag-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.flag-overlay.active {
  display: flex;
}

.flag-modal {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem;
  width: 90%;
  max-width: 440px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  animation: flagSlideIn 0.2s ease;
}

@keyframes flagSlideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.flag-modal h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.flag-modal label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.flag-modal select,
.flag-modal textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-color);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: inherit;
  transition: var(--transition);
  margin-bottom: 1rem;
}

.flag-modal select:focus,
.flag-modal textarea:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 2px rgba(70, 110, 179, 0.2);
}

.flag-modal textarea {
  resize: vertical;
  min-height: 70px;
}

.flag-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

.flag-cancel {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.flag-cancel:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.flag-submit {
  padding: 0.5rem 1.25rem;
  border: none;
  border-radius: 8px;
  background: #dc2626;
  color: white;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.flag-submit:hover {
  background: #ef4444;
}

.flag-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.flag-feedback {
  margin-top: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  display: none;
}

.flag-feedback.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
}

.flag-feedback.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}