:root {
  --bg: #0a0a0a;
  --bg-raised: #111111;
  --bg-sunken: #050505;
  --text: #c0c0c0;
  --text-dim: #888888;
  --text-bright: #e0e0e0;
  --accent: #8b0000;
  --accent-dim: #5a0000;
  --accent-bright: #cc1100;
  --border: #2a2a2a;
  --code-bg: #0d0d0d;
  --max-w: 720px;
  --font-body: 'IBM Plex Mono', 'Courier New', monospace;
  --scanline-opacity: 0.03;
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, var(--scanline-opacity)) 2px,
    rgba(0, 0, 0, var(--scanline-opacity)) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* --- Layout --- */
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Header --- */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 2rem 0 1rem;
  text-align: center;
}

.site-header pre {
  font-family: 'Courier New', monospace;
  font-size: 0.6rem;
  color: var(--accent);
  line-height: 1.15;
  user-select: none;
  overflow-x: auto;
  white-space: pre;
  display: inline-block;
  text-align: left;
}

/* --- Nav --- */
.site-nav {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 0.9rem;
  margin: 0 auto;
  padding: 0.5rem 0;
}

.site-nav li:not(:last-child)::after {
  content: '//';
  color: var(--text-dim);
  margin: 0 0.75rem;
}

.site-nav a {
  color: var(--text);
  text-decoration: none;
  text-transform: lowercase;
  transition: color 0.15s;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--accent-bright);
}

/* --- Links --- */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s;
}

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

/* --- Main content --- */
.site-main {
  padding: 2rem 0;
  min-height: 60vh;
}

/* --- Headings --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  color: var(--text-bright);
  font-weight: 600;
  line-height: 1.3;
}

h1 { font-size: 1.5rem; margin-bottom: 1rem; }
h2 { font-size: 1.25rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }

.section-title {
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* --- Typography --- */
p { margin-bottom: 1rem; }

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

li { margin-bottom: 0.35rem; }
li::marker { color: var(--accent); }

code {
  font-family: var(--font-body);
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: 0.1em 0.35em;
  font-size: 0.9em;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.85rem;
}

blockquote {
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
  color: var(--text);
  margin-bottom: 1rem;
  font-style: italic;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* --- Blog post list --- */
.post-list {
  list-style: none;
  padding-left: 0;
}

.post-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

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

.post-date {
  color: var(--text);
  font-size: 0.8rem;
  display: inline-block;
  min-width: 10ch;
}

.post-link { color: var(--text-bright); }
.post-link:hover { color: var(--accent-bright); }

.post-category {
  color: var(--text);
  font-size: 0.75rem;
  margin-left: 0.5rem;
}

.post-category::before { content: '['; }
.post-category::after { content: ']'; }

.post-summary {
  color: var(--text);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* --- Blog post single --- */
.post-header { margin-bottom: 2rem; }
.post-header h1 { margin-bottom: 0.5rem; }

.post-meta {
  color: var(--text);
  font-size: 0.8rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.post-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.tag {
  color: var(--accent);
  font-size: 0.75rem;
  border: 1px solid var(--accent-dim);
  padding: 0.1em 0.5em;
}

.post-content { line-height: 1.8; }
.post-content h2 { margin-top: 2rem; }
.post-content h3 { margin-top: 1.5rem; }
.post-content img { max-width: 100%; border: 1px solid var(--border); }

/* --- Sub nav (category + about links) --- */
.category-nav,
.about-links {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
}

.category-nav a,
.about-links a {
  color: var(--text);
}

.category-nav a:hover,
.category-nav a.active,
.about-links a:hover,
.about-links a.active {
  color: var(--accent-bright);
  text-decoration: none;
}

.category-nav span.sep,
.about-links span.sep {
  color: var(--text-dim);
  margin: 0 0.5rem;
}

/* --- Guestbook --- */
.guestbook-form {
  border: 1px solid var(--border);
  padding: 1.25rem;
  margin-bottom: 2rem;
  background: var(--bg-raised);
}

.guestbook-form label {
  display: block;
  color: var(--text);
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.guestbook-form input,
.guestbook-form textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.9rem;
  background: var(--bg-sunken);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.5rem;
  margin-bottom: 1rem;
  outline: none;
  transition: border-color 0.15s;
}

.guestbook-form input:focus,
.guestbook-form textarea:focus {
  border-color: var(--accent);
}

.guestbook-form textarea {
  min-height: 80px;
  resize: vertical;
}

.btn {
  font-family: var(--font-body);
  font-size: 0.85rem;
  background: var(--accent-dim);
  color: var(--text);
  border: 1px solid var(--accent);
  padding: 0.4rem 1.25rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: background 0.15s, color 0.15s;
}

.btn:hover {
  background: var(--accent);
  color: var(--text-bright);
}

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

.guestbook-entries {
  list-style: none;
  padding-left: 0;
}

.gb-entry {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.gb-entry:last-child { border-bottom: none; }

.gb-name {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.gb-date {
  color: var(--text);
  font-size: 0.75rem;
  margin-left: 0.5rem;
}

.gb-message {
  margin-top: 0.35rem;
  font-size: 0.9rem;
  word-break: break-word;
}

/* --- Captcha --- */
.captcha-box {
  border: 1px solid var(--border);
  padding: 1rem;
  margin-bottom: 1rem;
  background: var(--bg-sunken);
}

.captcha-box canvas {
  display: block;
  border: 1px solid var(--border);
  cursor: crosshair;
  max-width: 100%;
  height: auto;
}

.captcha-info {
  font-size: 0.8rem;
  color: var(--text);
  margin-top: 0.5rem;
}

.captcha-status {
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

.captcha-status.valid { color: #4a9e4a; }
.captcha-status.invalid { color: var(--accent-bright); }

/* --- About page --- */
.contact-item { margin-bottom: 0.5rem; }

.contact-label {
  color: var(--text);
  display: inline-block;
  min-width: 10ch;
}

/* --- Portfolio --- */
.project-item {
  border: 1px solid var(--border);
  padding: 1rem;
  margin-bottom: 1rem;
  background: var(--bg-raised);
}

.project-item h3 {
  color: var(--accent);
  margin-bottom: 0.35rem;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  margin-top: 2rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-left {
  display: flex;
  gap: 0.5rem;
}

/* --- Pet widget --- */
.pet-widget {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 0.5rem;
  padding-top: 1rem;
  z-index: 1000;
  font-size: 0.7rem;
  overflow: visible;
}

.pet-speech {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 0.15rem 0.45rem;
  font-size: 0.65rem;
  color: var(--text);
  white-space: nowrap;
  pointer-events: none;
  margin-bottom: 6px;
  z-index: 1001;
}

.pet-minimize {
  position: absolute;
  top: 2px;
  right: 2px;
  font-family: var(--font-body);
  font-size: 0.7rem;
  background: none;
  color: var(--text-dim);
  border: none;
  cursor: pointer;
  padding: 0 0.3rem;
  line-height: 1;
}

.pet-minimize:hover { color: var(--text); }

.pet-widget canvas {
  display: block;
  margin: 0 auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.pet-controls {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.35rem;
}

.pet-controls button {
  font-family: var(--font-body);
  font-size: 0.7rem;
  background: var(--bg-sunken);
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.15rem 0.4rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.pet-controls button:hover {
  color: var(--text);
  border-color: var(--accent);
}

.pet-stats {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: 0.3rem;
}

.stat-bar {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 2.5ch;
}

.stat-track {
  flex: 1;
  height: 4px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  position: relative;
}

.stat-bar-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  transition: width 0.3s;
}

.stat-bar-fill.hunger { background: var(--accent); }
.stat-bar-fill.happy { background: #4a9e4a; }

.pet-name {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.15rem;
}

.pet-peek {
  position: fixed;
  bottom: 2rem;
  right: 0;
  z-index: 1000;
  cursor: pointer;
  transform: translateX(100%);
  transition: transform 0.5s ease;
  overflow: visible;
}

.pet-peek.pet-peek-in { transform: translateX(10px); }

.pet-peek canvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.pet-peek-bubble {
  position: absolute;
  top: 50%;
  right: calc(100% + 6px);
  transform: translateY(-50%);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 0.25rem 0.5rem;
  font-size: 0.7rem;
  color: var(--text);
  white-space: nowrap;
  pointer-events: none;
}

/* --- Preview page --- */
.preview-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  min-height: 60vh;
}

.preview-editor textarea {
  width: 100%;
  height: calc(100% - 1.5rem);
  min-height: 400px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  background: var(--bg-sunken);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.75rem;
  resize: vertical;
  outline: none;
  tab-size: 2;
}

.preview-editor textarea:focus { border-color: var(--accent); }

.preview-render {
  border: 1px solid var(--border);
  padding: 1rem;
  min-height: 400px;
  background: var(--bg);
  overflow-y: auto;
}

/* --- Utility --- */
.lang-hidden { display: none; }
.text-dim { color: var(--text-dim); }
.text-accent { color: var(--accent); }
.text-bright { color: var(--text-bright); }
.text-sm { font-size: 0.9rem; }
.text-xs { font-size: 0.8rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

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

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

.msg {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.msg-error { border-color: var(--accent); color: var(--accent-bright); }
.msg-success { border-color: #4a9e4a; color: #4a9e4a; }

/* --- Responsive --- */
@media (max-width: 600px) {
  :root { --max-w: 100%; }
  .wrap { padding: 0 0.75rem; }
  .site-header pre { font-size: 0.35rem; overflow: hidden; }
  .site-header { padding: 1rem 0 0.5rem; }
  .site-nav ul { font-size: 0.75rem; }
  .site-nav li:not(:last-child)::after { margin: 0 0.3rem; }
  .site-footer { flex-direction: column; }
  .post-meta { flex-direction: column; gap: 0.25rem; }
  .pet-widget { display: none; }
  .preview-layout { grid-template-columns: 1fr; }
}