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

/* Light theme (default) - Paper style */
:root {
  --bg-primary: #f5f5f0;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e8e8e3;
  --text-primary: #1a1a1a;
  --text-secondary: #333333;
  --text-dim: #666666;
  --accent: #0066cc;
  --accent-hover: #004499;
  --border: #cccccc;
  --error: #cc0000;
  --code-bg: #f0f0eb;
  --code-border: #ddd;
}

/* Terminal theme (dark) */
[data-theme="terminal"] {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --text-primary: #00ff00;
  --text-secondary: #00cc00;
  --text-dim: #006600;
  --accent: #00ffff;
  --accent-hover: #ffffff;
  --border: #00ff00;
  --error: #ff0000;
  --code-bg: #111111;
  --code-border: #006600;
}

@font-face {
  font-family: 'IBM Plex Mono';
  src: url('https://fonts.gstatic.com/s/ibmplexmono/v19/-F6qfjptAgt5VM-kVkqdyU8n3oQIwl1FgsAXHNlYzg.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
}

html {
  font-size: 16px;
}

body {
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Scanlines effect - only visible in terminal theme */
.scanlines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
  background: none;
}

[data-theme="terminal"] .scanlines {
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.1),
    rgba(0, 0, 0, 0.1) 1px,
    transparent 1px,
    transparent 2px
  );
}

/* Theme toggle button */
.theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1001;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}

.theme-toggle:hover {
  border-color: var(--accent);
}

.theme-toggle-icon {
  margin-right: 0.25rem;
}

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

/* Header */
.header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.ascii-title {
  color: var(--text-primary);
  font-size: 0.7rem;
  line-height: 1.2;
}

[data-theme="terminal"] .ascii-title {
  text-shadow: 0 0 10px var(--text-primary);
}

.tagline {
  color: var(--text-dim);
  margin-top: 0.5rem;
}

/* Navigation */
.nav {
  margin-top: 1.5rem;
}

.prompt {
  color: var(--text-dim);
  margin-right: 0.5rem;
}

.nav-link {
  color: var(--accent);
  text-decoration: none;
  margin-right: 1.5rem;
  transition: color 0.2s, text-shadow 0.2s;
}

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

[data-theme="terminal"] .nav-link:hover {
  text-shadow: 0 0 8px var(--accent);
}

/* Main content */
.main {
  min-height: 60vh;
}

/* Footer */
.footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--text-dim);
  color: var(--text-dim);
  font-size: 0.875rem;
}

.footer a {
  color: var(--text-dim);
}

.footer a:hover {
  color: var(--accent);
}

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

a:hover {
  color: var(--accent-hover);
}

[data-theme="terminal"] a:hover {
  text-shadow: 0 0 8px var(--accent);
}

/* Article cards */
.article-list {
  list-style: none;
}

.article-card {
  background: var(--bg-secondary);
  border: 1px solid var(--text-dim);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: border-color 0.2s;
}

.article-card:hover {
  border-color: var(--text-primary);
}

.article-date {
  color: var(--text-dim);
  font-size: 0.875rem;
}

.article-title {
  font-size: 1.25rem;
  margin: 0.5rem 0;
}

.article-title a {
  color: var(--text-primary);
}

.article-meta {
  color: var(--text-dim);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.article-excerpt {
  color: var(--text-secondary);
}

.article-more {
  display: inline-block;
  margin-top: 1rem;
  color: var(--accent);
}

.article-more::before {
  content: '$ ';
  color: var(--text-dim);
}

/* Tags */
.tag {
  display: inline-block;
  background: var(--bg-tertiary);
  color: var(--accent);
  padding: 0.2rem 0.5rem;
  margin: 0.2rem;
  font-size: 0.8rem;
  border: 1px solid var(--text-dim);
}

.tag:hover {
  border-color: var(--accent);
}

/* Article content */
.article-content {
  line-height: 1.8;
}

.article-content h1,
.article-content h2,
.article-content h3 {
  color: var(--text-primary);
  margin: 2rem 0 1rem;
}

[data-theme="terminal"] .article-content h1,
[data-theme="terminal"] .article-content h2,
[data-theme="terminal"] .article-content h3 {
  text-shadow: 0 0 5px var(--text-primary);
}

.article-content h1::before,
.article-content h2::before,
.article-content h3::before {
  content: '# ';
  color: var(--text-dim);
}

.article-content p {
  margin-bottom: 1rem;
}

.article-content code {
  background: var(--bg-tertiary);
  padding: 0.2rem 0.4rem;
  font-family: inherit;
}

.article-content pre {
  background: var(--bg-secondary);
  border: 1px solid var(--text-dim);
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
}

.article-content pre code {
  background: none;
  padding: 0;
}

.article-content blockquote {
  border-left: 3px solid var(--text-dim);
  padding-left: 1rem;
  color: var(--text-secondary);
  margin: 1rem 0;
}

.article-content ul,
.article-content ol {
  margin: 1rem 0;
  padding-left: 2rem;
}

.article-content li {
  margin-bottom: 0.5rem;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.pagination a,
.pagination span {
  padding: 0.5rem 1rem;
  border: 1px solid var(--text-dim);
}

.pagination a:hover {
  border-color: var(--accent);
}

.pagination .current {
  background: var(--text-dim);
  color: var(--bg-primary);
}

/* Search */
.search-form {
  margin-bottom: 2rem;
}

.search-input {
  background: var(--bg-secondary);
  border: 1px solid var(--text-dim);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  width: 100%;
  max-width: 400px;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
}

[data-theme="terminal"] .search-input:focus {
  border-color: var(--text-primary);
  box-shadow: 0 0 10px var(--text-dim);
}

.search-input::placeholder {
  color: var(--text-dim);
}

.search-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--text-dim);
  color: var(--accent);
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  cursor: pointer;
  margin-left: 0.5rem;
}

.search-btn:hover {
  border-color: var(--accent);
}

/* Page titles */
.page-title {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

[data-theme="terminal"] .page-title {
  text-shadow: 0 0 10px var(--text-primary);
}

.page-title::before {
  content: '> ';
  color: var(--text-dim);
}

/* RSS page */
.rss-feeds {
  list-style: none;
}

.rss-feeds li {
  padding: 0.5rem 0;
}

.rss-feeds li::before {
  content: '> ';
  color: var(--text-dim);
}

/* Cursor blink */
.cursor {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Admin styles */
.admin-nav {
  background: var(--bg-secondary);
  padding: 1rem;
  margin-bottom: 2rem;
  border: 1px solid var(--text-dim);
}

.admin-nav a {
  margin-right: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  background: var(--bg-secondary);
  border: 1px solid var(--text-dim);
  color: var(--text-primary);
  padding: 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  width: 100%;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--text-primary);
}

.form-textarea {
  min-height: 300px;
  resize: vertical;
}

.form-checkbox {
  margin-right: 0.5rem;
}

.btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--text-dim);
  color: var(--accent);
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn:hover {
  border-color: var(--accent);
}

[data-theme="terminal"] .btn:hover {
  text-shadow: 0 0 5px var(--accent);
}

.btn-primary {
  background: var(--text-dim);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: var(--text-primary);
}

.btn-danger {
  border-color: var(--error);
  color: var(--error);
}

.btn-danger:hover {
  background: var(--error);
  color: var(--bg-primary);
}

.alert {
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid;
}

.alert-success {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.alert-error {
  border-color: var(--error);
  color: var(--error);
}

/* Editor layout */
.editor-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.editor-preview {
  background: var(--bg-secondary);
  border: 1px solid var(--text-dim);
  padding: 1rem;
  overflow-y: auto;
  max-height: 500px;
}

@media (max-width: 768px) {
  .editor-container {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 1rem;
  }

  .ascii-title {
    font-size: 0.5rem;
  }

  .nav-link {
    display: block;
    margin: 0.5rem 0;
  }
}

/* Code highlighting - Light theme */
.hljs {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-tag {
  color: #d73a49;
}

.hljs-string,
.hljs-attr {
  color: #032f62;
}

.hljs-number,
.hljs-literal {
  color: #005cc5;
}

.hljs-comment {
  color: #6a737d;
}

.hljs-function,
.hljs-title {
  color: #6f42c1;
}

.hljs-built_in,
.hljs-type {
  color: #22863a;
}

/* Code highlighting - Terminal theme (Monokai-ish) */
[data-theme="terminal"] .hljs {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

[data-theme="terminal"] .hljs-keyword,
[data-theme="terminal"] .hljs-selector-tag,
[data-theme="terminal"] .hljs-tag {
  color: #ff6b6b;
}

[data-theme="terminal"] .hljs-string,
[data-theme="terminal"] .hljs-attr {
  color: #ffd93d;
}

[data-theme="terminal"] .hljs-number,
[data-theme="terminal"] .hljs-literal {
  color: #c792ea;
}

[data-theme="terminal"] .hljs-comment {
  color: var(--text-dim);
}

[data-theme="terminal"] .hljs-function,
[data-theme="terminal"] .hljs-title {
  color: var(--accent);
}

[data-theme="terminal"] .hljs-built_in,
[data-theme="terminal"] .hljs-type {
  color: #89ddff;
}