@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;700&family=Inter:wght@300;400;500;600;700&family=Lora:ital,wght@0,400;0,500;0,600;1,400&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* LIGHT MODE (Default: blue-on-sand) */
  --bg-color: #f4f1ea;
  --text-color: #0f2d59;
  --text-muted: #536c8f;
  --border-color: #ded9cd;
  --accent-color: #0044cc;
  --card-hover-bg: #ece9df;
  
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Lora', Georgia, serif;
}

[data-theme="dark"] {
  /* DARK MODE */
  --bg-color: #121214;
  --text-color: #e6e6e8;
  --text-muted: #888890;
  --border-color: #262629;
  --accent-color: #2b82f6;
  --card-hover-bg: #1a1a1c;
}

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

/* Hide scrollbars but keep functionality */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-sans);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  min-height: 100vh;
  line-height: 1.6;
}

/* 3-Column Centered Layout Container */
.site-container {
  display: grid;
  grid-template-columns: 280px 480px 280px;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 20px;
  min-height: 100vh;
  justify-content: center;
}


/* Column Base Styling */
.column {
  display: flex;
  flex-direction: column;
}

/* LEFT COLUMN */
.bio-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.profile-img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
  filter: grayscale(15%);
}

.profile-meta {
  display: flex;
  flex-direction: column;
}

.profile-name {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
}

.profile-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.profile-loc {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 1px;
}

.bio-text {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.6;
}

/* Section Styling */
.resume-section {
  margin-bottom: 32px;
}

.section-title {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  letter-spacing: 1.5px;
  font-weight: 700;
}

/* Flat List (Previously at, Learn from, Socials) */
.flat-list {
  list-style: none;
  font-size: 14px;
  line-height: 1.8;
}

.flat-list li {
  margin-bottom: 4px;
  color: var(--text-muted);
}

.flat-list a {
  color: var(--text-color);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
  transition: opacity 0.15s;
}

.flat-list a:hover {
  opacity: 0.8;
}

.annotation {
  font-size: 12px;
  color: var(--text-muted);
}

/* Enjoyer tags style */
.enjoyer-tags {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}

.enjoyer-tags span {
  display: inline;
}

.enjoyer-tags span::after {
  content: " · ";
  color: var(--border-color);
  font-weight: bold;
}

.enjoyer-tags span:last-child::after {
  content: "";
}

/* CENTER COLUMN - Blog articles */
.blog-header-section {
  margin-bottom: 24px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.loading-state {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 20px 0;
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.blog-card {
  cursor: pointer;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  transition: opacity 0.15s;
}

.blog-card:hover {
  opacity: 0.85;
}

.blog-card-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.blog-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.35;
  color: var(--text-color);
}

.blog-card-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

.blog-card-more {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-color);
  text-decoration: underline;
}

/* Single Post View */
.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 24px;
  cursor: pointer;
  transition: color 0.15s;
}

.back-to-blog:hover {
  color: var(--text-color);
}

.blog-post-view {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.65;
}

.blog-post-view h1,
.blog-post-view h2,
.blog-post-view h3 {
  font-family: var(--font-mono);
  color: var(--text-color);
  margin-top: 1.6em;
  margin-bottom: 0.6em;
}

.blog-post-view h1 { font-size: 22px; border-bottom: 1px solid var(--border-color); padding-bottom: 6px; }
.blog-post-view h2 { font-size: 18px; }
.blog-post-view h3 { font-size: 15px; }

.blog-post-view p {
  margin-bottom: 1.2em;
}

.blog-post-view ul,
.blog-post-view ol {
  margin-bottom: 1.2em;
  padding-left: 20px;
}

.blog-post-view li {
  margin-bottom: 4px;
}

.blog-post-view blockquote {
  border-left: 2px solid var(--text-color);
  padding-left: 16px;
  margin: 1.5em 0;
  color: var(--text-muted);
  font-style: italic;
}

/* RIGHT COLUMN */

/* Theme Selector Button */
.theme-switcher-container {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-bottom: 24px;
}

.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-block;
}

.theme-toggle-btn:hover {
  color: var(--text-color);
  border-color: var(--text-color);
  background-color: var(--card-hover-bg);
}

/* Project Cards */
.project-section {
  margin-bottom: 32px;
}

.project-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.project-card {
  display: block;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-color);
  padding: 4px 0;
  transition: opacity 0.15s;
}

.project-card:hover {
  text-decoration: underline;
  opacity: 0.8;
}

.project-url {
  font-weight: 500;
}

.project-card-static {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  padding: 4px 0;
}

/* v2 project list */
.project-list-v2 {
  display: flex;
  flex-direction: column;
}

.project-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

.project-item:last-child {
  border-bottom: none;
}

.project-name-link {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-color);
  text-decoration: none;
  transition: opacity 0.15s;
  display: inline-block;
}

.project-name-link:hover {
  opacity: 0.65;
}

.project-description {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.55;
}

.socials-list li {
  margin-bottom: 6px;
}

/* Spinner */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--text-color);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* RESPONSIVE LAYOUT */
@media (max-width: 1100px) {
  .site-container {
    grid-template-columns: 250px 1fr;
    gap: 40px;
  }
  .column-right {
    grid-column: 1 / -1;
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 48px;
    align-items: flex-start;
  }
  .column-right .project-section {
    flex: 1;
    min-width: 200px;
    margin-bottom: 0;
  }
  .theme-switcher-container {
    justify-content: flex-start;
    flex-basis: 100%;
    margin-bottom: 8px;
  }
}

@media (max-width: 768px) {
  .site-container {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 40px 20px;
  }
  .column-right {
    flex-direction: column;
    flex-wrap: nowrap;
    margin-top: 0;
  }
  .theme-switcher-container {
    flex-basis: auto;
    justify-content: flex-start;
    margin-bottom: 16px;
  }
  .column-right .project-section {
    flex: none;
  }
}