:root {
  --bg:          #0a0c0a;
  --surface:     #0f1210;
  --surface-2:   #141a14;
  --border:      #1f2b1f;
  --border-hi:   #2e4a2e;
  --green:       #39ff6e;
  --green-dim:   #1a8c3a;
  --green-muted: #0d4d20;
  --amber:       #f0c040;
  --amber-dim:   #7a5e10;
  --text:        #c8d8c8;
  --text-muted:  #6a8a6a;
  --scanline: rgba(0,255,60,0.025);
  --font-mono: 'Share Tech Mono', monospace;
  --font-display: 'VT323', monospace;
  --font-body: 'Inter', sans-serif;
  --radius: 4px;
}

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    var(--scanline) 0px,
    var(--scanline) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 9999;
}

header {
  border-bottom: 1px solid var(--border-hi);
  padding: 2.5rem 2rem 2rem;
  background: var(--surface);
  position: relative;
}
header::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0; right: 0;
  height: 1px;
  background: var(--green-dim);
  opacity: 0.4;
}

a {
  color: var(--green);
}

a:visited {
  color: var(--green-dim);
}

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

.header-top {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.sigil { width: 64px; height: 64px; flex-shrink: 0; }
.header-text { flex: 1; min-width: 200px; }

.hex-id {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 8vw, 5rem);
  color: var(--green);
  letter-spacing: 0.04em;
  line-height: 1;
  display: block;
  text-shadow: 0 0 1px rgba(57,255,110,0.3);
}

.class-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 0.25rem;
  display: block;
}

.wrapper { max-width: 960px; margin: 0 auto; padding: 0 1.5rem; }
main { padding: 2.5rem 0 4rem; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-label::before { content: '//'; color: var(--green-dim); }

.entries-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.entry-card {
  background: #000;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.25rem 1rem;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  position: relative;
  transition: border-color 0.15s, background 0.15s;
  cursor: pointer;
}
.entry-card:hover { border-color: var(--green-dim); background: var(--surface); }

.entry-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green-dim);
  letter-spacing: 0.08em;
}

.entry-title {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--green);
}

.entry-excerpt {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  -webkit-line-clamp: 2;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.entry-card-arrow {
  position: absolute;
  top: 1rem; right: 1rem;
  color: var(--green-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.15s;
}
.entry-card:hover .entry-card-arrow { opacity: 1; }

#entry-viewer { display: none; }
#entry-viewer.open { display: block; }

.viewer-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.btn-back {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--green);
  background: transparent;
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.btn-back::before { content: '<< '; }
.btn-back:hover { border-color: var(--green-dim); background: var(--surface-2); }

.viewer-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--green);
  line-height: 1.1;
}

.viewer-index-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
  background: var(--amber-dim);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius);
  border: 1px solid var(--amber-dim);
  align-self: flex-start;
  margin-top: 0.5rem;
}

.viewer-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  margin-top: 1rem;
}

.status-bar {
  background: var(--green-muted);
  border-top: 1px solid var(--border-hi);
  padding: 0.3rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 0.08em;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}
footer span::before { content: '// '; color: var(--green-muted); }

@media (max-width: 500px) {
  header { padding: 1.5rem 1rem 1.25rem; }
  .wrapper { padding: 0 1rem; }
  .viewer-content { padding: 1.25rem 1rem; }
}