/* === RESET & BASE === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --green: #33ff33;
  --green-dim: #1a8a1a;
  --green-dark: #0d440d;
  --green-glow: #33ff3380;
  --bg: #0a0a0a;
  --bg-screen: #0c120c;
  --code-bg: rgba(13, 68, 13, 0.15);
  --code-bright: #5fff5f;
  --code-mid: #7ddc7d;
  --code-comment: #2a6e2a;
  --code-mark-bg: rgba(51, 255, 51, 0.15);
  --font-main: 'JetBrains Mono', monospace;
  --font-vt: 'VT323', monospace;
}

[data-theme="amber"] {
  --green: #ffb000;
  --green-dim: #996a00;
  --green-dark: #4d3500;
  --green-glow: #ffb00080;
  --bg-screen: #120e08;
  --code-bg: rgba(68, 43, 0, 0.15);
  --code-bright: #ffc84a;
  --code-mid: #cc9933;
  --code-comment: #6e5a2a;
  --code-mark-bg: rgba(255, 176, 0, 0.15);
}

[data-theme="white"] {
  --green: #e0e0e0;
  --green-dim: #808080;
  --green-dark: #404040;
  --green-glow: #e0e0e080;
  --bg-screen: #0e0e0e;
  --code-bg: rgba(40, 40, 40, 0.3);
  --code-bright: #ffffff;
  --code-mid: #bbbbbb;
  --code-comment: #555555;
  --code-mark-bg: rgba(224, 224, 224, 0.15);
}

html, body {
  min-height: 100%;
  background: #000;
  overflow-x: hidden;
}

/* === CRT CONTAINER === */
.crt {
  position: relative;
  width: 100%;
  min-height: 100vh;
  background: var(--bg);
}

/* === SCANLINES === */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 10;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0, 0, 0, 0.15) 2px,
    rgba(0, 0, 0, 0.15) 4px
  );
}

.scanlines.active {
  animation: scanline-drift 8s linear infinite;
}

/* === SCREEN === */
.screen {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 4.5rem 2.5rem 1.5rem;
  color: var(--green);
  font-family: var(--font-main);
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  line-height: 1.6;
}

/* vignette */
.screen::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    transparent 50%,
    rgba(0, 0, 0, 0.5) 80%,
    rgba(0, 0, 0, 0.85) 100%
  );
}

/* ambient screen glow */
.screen::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(
    ellipse at center,
    var(--green-dark) 0%,
    var(--bg) 70%
  );
  opacity: 0.3;
}

/* === HEADER BAR === */
.terminal-bar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99;
  width: 100%;
  padding: 1.5rem 2.5rem 0.75rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.9;
  flex-shrink: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.terminal-label {
  color: var(--green-dark);
}

.terminal-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 48rem;
  width: 100%;
  margin: 0 auto;
}

.terminal-nav {
  display: flex;
  gap: 1.5rem;
}

.terminal-nav a {
  color: var(--green);
  text-decoration: none;
  text-shadow: 0 0 6px var(--green-glow);
  transition: color 0.2s, text-shadow 0.2s;
}

.terminal-nav a:hover {
  color: var(--green);
  text-shadow: 0 0 8px var(--green-glow);
}

.terminal-size {
  font-variant-numeric: tabular-nums;
}

/* === RULES === */
.rule {
  width: 100%;
  border: none;
  flex-shrink: 0;
}

.rule--glow {
  height: 2px;
  background: var(--green-dim);
  box-shadow:
    0 0 6px var(--green-glow),
    0 0 20px var(--green-glow);
  animation: rule-flicker 4s ease-in-out infinite;
}

.rule--thin {
  height: 1px;
  background: var(--green-dark);
  margin: 1.5rem 0;
  opacity: 0.5;
}

/* === MAIN CONTENT === */
main,
.footer {
  transition: opacity 0.5s ease;
}

body.nav-open main,
body.nav-open .footer {
  opacity: 0;
  pointer-events: none;
}

.content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 48rem;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 0;
}

/* === TITLE === */
.title {
  font-family: var(--font-vt);
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 400;
  text-align: center;
  text-transform: lowercase;
  color: var(--green);
  text-shadow:
    0 0 10px var(--green-glow),
    0 0 30px var(--green-glow),
    0 0 60px rgba(51, 255, 51, 0.3);
  margin-bottom: 0;
  animation: glow-pulse 3s ease-in-out infinite;
}

.subtitle {
  text-align: center;
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--green-dim);
  letter-spacing: 0.2em;
  text-transform: lowercase;
  margin-bottom: 1rem;
}

/* === TOPICS === */
.topics {
  list-style: none;
  padding: 0.5rem 0;
}

.topics li {
  font-size: clamp(1rem, 2vw, 1.4rem);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0;
  color: var(--green);
}

.topics li::before {
  content: '> ';
  color: var(--green-dim);
}

/* === DESCRIPTION === */
.description {
  color: var(--green-dim);
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  line-height: 1.7;
}

/* === FOOTER === */
.footer {
  flex-shrink: 0;
  max-width: 48rem;
  width: 100%;
  margin: 0 auto;
  padding-top: 1rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding-top: 1rem;
  font-size: 0.85rem;
}

.footer-url {
  color: var(--green-dim);
}

.footer-social {
  color: var(--green);
  text-decoration: none;
  transition: text-shadow 0.2s;
}

.footer-social:hover {
  text-shadow: 0 0 8px var(--green-glow);
}

.footer-invader,
.footer-theme {
  background: none;
  border: none;
  color: var(--green-dim);
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: color 0.2s, filter 0.2s;
  vertical-align: middle;
}

.footer-invader:hover,
.footer-theme:hover {
  color: var(--green);
  filter: drop-shadow(0 0 6px var(--green-glow));
}

.footer-links {
  align-items: center;
}

/* === SPACE INVADERS === */
.game-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
}

.game-overlay canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* === INNER PAGES === */
.content--page {
  justify-content: flex-start;
  padding-top: 2rem;
}

.page-title {
  font-family: var(--font-vt);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 400;
  color: var(--green);
  text-shadow:
    0 0 10px var(--green-glow),
    0 0 20px var(--green-glow);
  margin-bottom: 0.5rem;
}

.section {
  margin: 0.5rem 0;
}

.section-heading {
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  font-weight: 600;
  color: var(--green);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.body-text {
  color: var(--green);
  font-size: clamp(0.85rem, 1.3vw, 1rem);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.body-text.dim {
  color: var(--green-dim);
}

.body-text strong {
  color: var(--green);
  font-weight: 700;
}

.body-text em {
  font-style: italic;
  color: var(--green-dim);
}

.body-text a {
  color: var(--green-dim);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.3s, text-shadow 0.3s, text-decoration-color 0.3s;
}

.body-text a:hover {
  color: var(--green);
  text-decoration: none;
  text-shadow: 0 0 8px var(--green-glow);
}

.content-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.5rem auto;
  border-radius: 1rem;
}

.terminal-quote {
  border-left: 2px solid var(--green-dim);
  margin: 1.5rem 0;
  padding: 0.75rem 1.5rem;
  color: var(--green);
  font-family: 'IBM Plex Mono', monospace;
  font-style: italic;
  font-weight: 300;
  font-size: 1.15em;
}

.terminal-quote p {
  display: inline;
  margin: 0;
}

.highlight {
  color: var(--green);
  text-shadow: 0 0 6px var(--green-glow);
}

/* === PROJECTS === */
.project {
  margin: 1rem 0;
}

.project-name {
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  font-weight: 600;
  color: var(--green);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}

.tags {
  font-size: 0.8rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  background: var(--green-dark);
  color: var(--bg);
  padding: 0.15rem 0.5rem;
  letter-spacing: 0.05em;
  border-radius: 2px;
  transition: background 0.3s;
}

.tag:hover {
  background: var(--green);
}

/* === BLOG === */
.blog-entry {
  margin: 1rem 0;
}

.blog-date {
  font-size: 0.8rem;
  color: var(--green-dark);
  display: block;
  margin-bottom: 0.25rem;
}

.post-meta .blog-date {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  letter-spacing: 0.05em;
  margin-bottom: 0;
}

.blog-title {
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 400;
}

.blog-title a {
  color: var(--green);
  text-decoration: none;
  text-shadow: 0 0 4px var(--green-glow);
  transition: text-shadow 0.2s;
}

.blog-title a:hover {
  text-shadow: 0 0 10px var(--green-glow);
}

/* === BLOG POST === */
.post-meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.post-body {
  margin: 1.5rem 0;
}

.code-block {
  background: var(--code-bg);
  border: 1px solid var(--green-dark);
  border-radius: 0.5rem;
  padding: 1rem;
  margin: 1rem 0;
  font-size: 0.9rem;
  color: var(--green);
  overflow-x: auto;
  line-height: 1.6;
}

.code-block code {
  font-family: var(--font-main);
}

.code-block strong { color: var(--code-bright); font-weight: 400; }
.code-block b { color: var(--green); font-weight: 400; }
.code-block em { color: var(--code-mid); font-style: normal; }
.code-block i { color: var(--green-dim); font-style: normal; }
.code-block sup { color: var(--code-comment); font-size: inherit; vertical-align: baseline; }
.code-block label { color: var(--code-bright); }
.code-block mark { background: var(--code-mark-bg); color: var(--green); }

.back-link {
  color: var(--green-dim);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--green);
}

/* === TYPEWRITER === */
[data-typewriter] {
  visibility: hidden;
}

[data-typewriter].typed {
  visibility: visible;
}

.cursor::after {
  content: '_';
  color: var(--green);
  animation: cursor-blink 0.6s step-end infinite;
}

/* === VIEW TRANSITIONS === */
@view-transition {
  navigation: auto;
}

/* No CRT boot flash during page transitions */
html:active-view-transition .screen {
  animation: none;
}

/* Star Wars wipe: new page reveals from top to bottom */
::view-transition-old(root) {
  animation: hold-page 1.5s linear forwards;
}

::view-transition-new(root) {
  animation: wipe-down 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes hold-page {
  from,
  to {
    opacity: 1;
  }
}

@keyframes wipe-down {
  from {
    clip-path: inset(0 0 100% 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

/* === ANIMATIONS === */

@keyframes screen-on {
  0% {
    opacity: 0;
    filter: brightness(10) saturate(0);
    transform: scaleY(0.005);
  }
  40% {
    opacity: 1;
    filter: brightness(3) saturate(0.5);
    transform: scaleY(0.005);
  }
  50% {
    filter: brightness(1.5);
    transform: scaleY(1.1);
  }
  65% {
    transform: scaleY(0.98);
  }
  80% {
    filter: brightness(1);
    transform: scaleY(1.01);
  }
  100% {
    filter: brightness(1) saturate(1);
    transform: scaleY(1);
  }
}

@keyframes scanline-drift {
  0% { background-position: 0 0; }
  100% { background-position: 0 100px; }
}

@keyframes glow-pulse {
  0%, 100% {
    text-shadow:
      0 0 10px var(--green-glow),
      0 0 30px var(--green-glow),
      0 0 60px rgba(51, 255, 51, 0.3);
  }
  50% {
    text-shadow:
      0 0 15px var(--green-glow),
      0 0 40px var(--green-glow),
      0 0 80px rgba(51, 255, 51, 0.4);
  }
}

@keyframes rule-flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
  52% { opacity: 1; }
  54% { opacity: 0.8; }
  56% { opacity: 1; }
}

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

@keyframes screen-flicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.8; }
  94% { opacity: 1; }
  96% { opacity: 0.9; }
  97% { opacity: 1; }
}

/* subtle persistent flicker on entire screen */
.crt.booted {
  animation: screen-flicker 7s linear infinite;
}

/* === HOME PAGE: MINIMAL ANIMATIONS === */
/* === HAMBURGER === */
.hamburger {
  display: none;
  background: none;
  border: none;
  width: 48px;
  height: 48px;
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  z-index: 99;
}

.hamburger span {
  display: block;
  width: 30px;
  height: 3px;
  background: var(--green);
  box-shadow: 0 0 8px var(--green-glow);
  transition: transform 0.3s, opacity 0.3s;
  transform-origin: center;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  transform: translateY(-5.5px) rotate(-45deg);
}

/* === RESPONSIVE === */
@media (max-width: 600px) {
  .screen {
    padding: 4rem 2rem 2rem;
  }

  .terminal-bar {
    padding: 1rem 1rem 0.5rem;
    z-index: 99;
  }

  .hamburger {
    display: flex;
  }

  .terminal-nav {
    display: none;
    position: fixed;
    top: 3.5rem;
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    background: rgba(10, 10, 10, 0.95);
    border: 1px solid var(--green-dark);
    padding: 1.25rem 1rem;
    gap: 0.75rem;
    z-index: 99;
    pointer-events: none;
  }

  .terminal-nav a {
    position: relative;
    z-index: 100;
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0.85rem 0;
    font-size: 1.25rem;
    pointer-events: auto;
  }

  .terminal-nav.open {
    display: flex;
    pointer-events: auto;
  }

  .code-block {
    margin-left: -0.5rem;
    margin-right: -0.5rem;
    border-radius: 0.25rem;
    font-size: 0.8rem;
  }

  .terminal-quote {
    padding: 0.5rem 1rem;
    margin: 1rem 0;
  }

  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .footer-invader,
  .footer-theme {
    display: none;
  }
}