/* ============================================
   CASEY THOMAS .STUDIO - Terminal Blog
   A retro terminal-inspired design
   ============================================ */

:root {
  /* Core palette - deep purple-navy */
  --bg-deep: #181825;
  --bg-main: #1e1e2e;
  --bg-elevated: #28283d;
  
  /* Text colors */
  --text-primary: #cdd6f4;
  --text-muted: #6c7086;
  --text-bright: #e8e8f0;
  
  /* Accent colors */
  --accent-lavender: #cba6f7;
  --accent-lavender-light: #dcc0fa;
  --accent-teal: #56877e;
  --accent-teal-bright: #94e2d5;
  --accent-orange: #fab387;
  --accent-green: #94e2d5;
  
  /* Effects */
  --scanline-opacity: 0.015;
  --glow-lavender: 0 0 30px rgba(203, 166, 247, 0.25);
  --glow-teal: 0 0 10px rgba(86, 135, 126, 0.3);
  
  /* Left accent bar */
  --accent-bar: #56877e;
  
  /* Typography */
  --font-pixel: 'Press Start 2P', monospace;
  --font-terminal: 'VT323', monospace;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;
}

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

/* Visually Hidden (for accessibility/SEO) */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* Left Accent Bar */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-teal);
  z-index: 1001;
}

/* Background Effects */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 15% 15%, rgba(139, 92, 246, 0.06) 0%, transparent 40%),
    radial-gradient(ellipse at 85% 85%, rgba(86, 135, 126, 0.04) 0%, transparent 40%);
  pointer-events: none;
  z-index: -1;
}

/* Scanlines Overlay */
.scanlines {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 1000;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, var(--scanline-opacity)) 2px,
    rgba(0, 0, 0, var(--scanline-opacity)) 4px
  );
}

/* Terminal Container */
.terminal-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 60px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navigation */
.nav-links {
  text-align: right;
  margin-bottom: 30px;
  font-family: var(--font-mono);
  font-size: 1rem;
}

.nav-links a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
  padding: 4px 8px;
}

.nav-links a:hover {
  color: var(--text-bright);
  text-shadow: var(--glow-teal);
}

.nav-links a.active {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.nav-sep {
  color: var(--text-muted);
  margin: 0 8px;
}

/* ASCII Art Hero */
.ascii-hero {
  margin-bottom: 60px;
  width: 100%;
  container-type: inline-size;
}

.ascii-art {
  font-family: 'Courier New', Consolas, monospace;
  font-size: 2.9cqi;
  line-height: 1.1;
  color: var(--accent-lavender);
  display: block;
  margin: 0;
  white-space: pre;
  letter-spacing: -0.02em;
}

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 80px;
  flex: 1;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 40px;
  align-self: start;
}

.sidebar-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.category-list {
  list-style: none;
}

.category-list li {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.category-list li::before {
  content: '- ';
  color: var(--text-muted);
}

.category-list a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.category-list a:hover,
.category-list a.active {
  color: var(--accent-teal-bright);
}

/* Blog Posts */
.blog-posts {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.post-card {
  padding-bottom: 35px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.post-card:last-child {
  border-bottom: none;
}

.post-title {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 6px;
}

.post-title a {
  color: var(--accent-teal-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.post-title a:hover {
  color: #a6f3e8;
  text-shadow: var(--glow-teal);
}

.post-date {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.post-excerpt {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 14px;
  max-width: 600px;
}

.read-more {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.read-more:hover {
  color: var(--accent-teal-bright);
}

/* Terminal Footer */
.terminal-footer {
  margin-top: 60px;
  padding-top: 30px;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  display: flex;
  gap: 10px;
  align-items: center;
}

.prompt-lambda {
  color: var(--accent-orange);
  font-weight: 600;
}

.prompt-sep {
  color: var(--text-muted);
}

.prompt-tilde {
  color: var(--accent-teal-bright);
}

.prompt-arrow {
  color: var(--accent-green);
}

.cursor-blink {
  color: var(--text-bright);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Single Post Page */
.post-content {
  max-width: 700px;
}

.post-content h1 {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--accent-teal-bright);
  margin-bottom: 10px;
}

.post-content .post-meta {
  color: var(--text-muted);
  margin-bottom: 30px;
  font-size: 0.9rem;
}

.post-content .post-body {
  font-size: 1rem;
  line-height: 1.8;
}

.post-content .post-body h2 {
  font-size: 1.2rem;
  color: var(--accent-lavender);
  margin: 30px 0 15px;
}

.post-content .post-body h3 {
  font-size: 1.05rem;
  color: var(--text-bright);
  margin: 25px 0 12px;
}

.post-content .post-body p {
  margin-bottom: 18px;
}

.post-content .post-body a {
  color: var(--accent-teal-bright);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.post-content .post-body code {
  font-family: var(--font-mono);
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
  color: var(--accent-lavender-light);
}

.post-content .post-body pre {
  background: var(--bg-elevated);
  padding: 20px;
  border-radius: 4px;
  overflow-x: auto;
  margin: 20px 0;
  border-left: 3px solid var(--accent-lavender);
}

.post-content .post-body pre code {
  background: none;
  padding: 0;
  color: var(--text-primary);
}

.post-content .post-body blockquote {
  border-left: 3px solid var(--accent-teal);
  padding-left: 20px;
  margin: 20px 0;
  color: var(--text-muted);
  font-style: italic;
}

.post-content .post-body ul,
.post-content .post-body ol {
  margin: 15px 0 15px 25px;
}

.post-content .post-body li {
  margin-bottom: 8px;
}

.back-link {
  display: inline-block;
  margin-bottom: 30px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

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

.back-link::before {
  content: '<< ';
}

/* Responsive */
@media (max-width: 768px) {
  .terminal-container {
    padding: 30px 25px;
  }
  
  .content-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .sidebar {
    position: static;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .ascii-art {
    font-size: 2.9cqi;
  }
  
  .nav-links {
    text-align: center;
  }
}

/* Selection */
::selection {
  background: var(--accent-lavender);
  color: var(--bg-deep);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-elevated);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Code block styling */
.post-content .post-body pre {
  border-left-color: var(--accent-lavender);
}

.post-content .post-body blockquote {
  border-left-color: var(--accent-teal);
}

/* Post Navigation (Prev/Next) */
.post-navigation {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 50px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.post-nav-item {
  flex: 1;
  max-width: 45%;
}

.post-nav-prev {
  text-align: left;
}

.post-nav-next {
  text-align: right;
  margin-left: auto;
}

.post-nav-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.post-nav-link {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent-teal-bright);
  text-decoration: none;
  transition: color 0.2s ease;
  display: block;
  line-height: 1.4;
}

.post-nav-link:hover {
  color: #a6f3e8;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 768px) {
  .post-navigation {
    flex-direction: column;
    gap: 24px;
  }
  
  .post-nav-item {
    max-width: 100%;
  }
  
  .post-nav-next {
    text-align: left;
  }
}

/* Author Bio */
.author-bio {
  margin-top: 60px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  max-width: 700px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-elevated);
}

.bio-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-teal);
  flex-shrink: 0;
}

.bio-content {
  flex: 1;
  min-width: 0;
}

.bio-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.bio-prompt {
  color: var(--accent-teal-bright);
  font-weight: 600;
}

.bio-name {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--accent-lavender);
  font-weight: 500;
}

.bio-text {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.bio-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.bio-links a {
  color: var(--accent-teal-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.bio-links a:hover {
  color: #a6f3e8;
}

.bio-sep {
  color: var(--text-muted);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.page-numbers {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 4px;
}

.page-btn:hover:not(:disabled) {
  border-color: var(--accent-teal-bright);
  color: var(--accent-teal-bright);
}

.page-btn.active {
  background: var(--accent-teal-bright);
  border-color: var(--accent-teal-bright);
  color: var(--bg-deep);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-prev,
.page-next {
  font-size: 0.85rem;
}

.page-ellipsis {
  color: var(--text-muted);
  padding: 0 4px;
}

@media (max-width: 768px) {
  .pagination {
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .page-btn {
    padding: 6px 10px;
    font-size: 0.85rem;
  }
}

/* Contact Form */
.contact-form {
  max-width: 500px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.form-group label::before {
  content: '> ';
  color: var(--accent-teal-bright);
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-primary);
  border-radius: 4px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-teal-bright);
  box-shadow: 0 0 0 2px rgba(148, 226, 213, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.submit-btn {
  background: transparent;
  border: 1px solid var(--accent-teal-bright);
  color: var(--accent-teal-bright);
  padding: 12px 32px;
  font-family: var(--font-mono);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 4px;
}

.submit-btn:hover {
  background: var(--accent-teal-bright);
  color: var(--bg-deep);
}

.submit-btn::after {
  content: ' _';
  animation: blink 1s step-end infinite;
}

.contact-alt {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-alt h2 {
  font-size: 1rem;
  color: var(--text-bright);
  margin-bottom: 15px;
}

.contact-alt a {
  color: var(--accent-teal-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}