:root {
  --bg: #020703;
  --panel: rgba(8, 22, 10, 0.55);
  --green: #33ff66;
  --green-dim: #1fbf4c;
  --green-faint: #137a30;
  --ink: #4dff7a;
  --muted: #2fae54;
  --faint: #1d7d3a;
  --rule: rgba(51, 255, 102, 0.35);
  --max: 48rem;
}

/* Font: VT323 (load in HTML <head>) */

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

/* ===== Theme toggle button ===== */
.theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 20;
  font-family: "VT323", "Consolas", monospace;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--green);
  background: rgba(2, 7, 3, 0.85);
  border: 1px solid var(--green);
  border-radius: 0;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  text-shadow: 0 0 6px rgba(51, 255, 102, 0.6);
  transition: color 0.12s linear, background 0.12s linear, box-shadow 0.12s linear;
}

.theme-toggle::before {
  content: "\003E ";
}

.theme-toggle:hover {
  color: #ccffd9;
  background: rgba(8, 30, 14, 0.95);
  box-shadow: 0 0 14px -2px rgba(51, 255, 102, 0.7);
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "VT323", "Consolas", "Courier New", monospace;
  font-size: 22px;
  line-height: 1.5;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse at center, rgba(8, 40, 16, 0.55) 0%, var(--bg) 90%);
  background-attachment: fixed;
  min-height: 100vh;
  text-shadow: 0 0 4px rgba(51, 255, 102, 0.45);
}

/* CRT scanlines + vignette overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.28) 3px,
    rgba(0, 0, 0, 0.28) 4px
  );
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 8;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0, 0, 0, 0.5) 100%);
}

a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--green-faint);
  transition: color 0.12s linear, text-shadow 0.12s linear;
}

a:hover {
  color: #ccffd9;
  border-bottom-color: var(--green);
  text-shadow: 0 0 8px rgba(51, 255, 102, 0.95);
}

.sheet {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 6rem;
  position: relative;
  z-index: 1;
}

hr {
  border: 0;
  height: 0;
  margin: 1.8rem 0;
  border-top: 1px dashed var(--rule);
}

/* ===== Site header ===== */
.site-header {
  text-align: left;
}

.site-title {
  font-size: 3.4rem;
  line-height: 1;
  margin: 0 0 0.4rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--green);
  text-shadow:
    0 0 6px rgba(51, 255, 102, 0.8),
    0 0 18px rgba(51, 255, 102, 0.45);
}

.site-title::before {
  content: "> ";
  color: var(--green-dim);
}

.site-tagline {
  margin: 0 0 0.4rem;
  color: var(--muted);
}

.meta {
  margin: 0;
  font-size: 1rem;
  color: var(--faint);
}

/* ===== Posts ===== */
.posts {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.post {
  position: relative;
  padding: 1.3rem 1.4rem 1.1rem;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--green);
  border-radius: 0;
  transition: border-color 0.15s linear, box-shadow 0.15s linear;
}

.post:hover {
  border-color: var(--green);
  box-shadow:
    inset 0 0 0 1px rgba(51, 255, 102, 0.25),
    0 0 24px -6px rgba(51, 255, 102, 0.4);
}

.eyebrow {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-dim);
}

.eyebrow::before {
  content: "// ";
}

.post-title {
  font-size: 1.7rem;
  line-height: 1.2;
  margin: 0 0 0.3rem;
  letter-spacing: 0.02em;
}

.post-title a {
  color: var(--green);
  border-bottom: none;
}

.post-title a:hover {
  color: #ccffd9;
  text-shadow: 0 0 10px rgba(51, 255, 102, 0.9);
}

.post-meta {
  margin: 0 0 0.7rem;
  font-size: 1rem;
  color: var(--faint);
}

.post-summary {
  margin: 0 0 0.7rem;
  color: var(--ink);
}

.post-tags {
  margin: 0 0 0.8rem;
  font-size: 1rem;
  color: var(--muted);
}

.post-readmore {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.post-readmore a {
  border-bottom: none;
  color: var(--green);
}

.post-readmore a::after {
  content: " _";
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* ===== Responsive ===== */
@media (max-width: 36rem) {
  body {
    font-size: 20px;
  }

  .sheet {
    padding: 2.5rem 1.2rem 4rem;
  }

  .site-title {
    font-size: 2.6rem;
  }

  .post {
    padding: 1.1rem 1.1rem 0.9rem;
  }

  .post-title {
    font-size: 1.45rem;
  }
}
