:root {
  color-scheme: dark;
  --ink: #a6d2ff;
  --muted: #6f8fb0;
  --metal: #05080d;
  --deep: #030509;
  --rust: #8fb8ff;
  --signal: #7fc9ff;
  --amber: #8ec8ff;
  --line: rgba(130, 192, 255, 0.22);
  --grid: rgba(130, 192, 255, 0.07);
  --glow: rgba(130, 192, 255, 0.25);
  --radius: 3px;
  --font-title: "B612 Mono", "Courier New", monospace;
  --font-body: "Share Tech Mono", "Courier New", monospace;
  --font-entry: "Literata", "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background: linear-gradient(180deg, #02040a 0%, #080c16 50%, #04070b 100%);
  position: relative;
  overflow-x: hidden;
  text-shadow: 0 0 12px rgba(130, 192, 255, 0.2), 1px 0 0 rgba(130, 192, 255, 0.1);
}


header {
  padding: 48px 7vw 24px;
  display: grid;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 1;
}

header .signal {
  font-family: var(--font-body);
  text-transform: uppercase;
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  color: var(--signal);
  border: 1px solid var(--line);
  padding: 10px 14px;
  border-radius: var(--radius);
  background: rgba(3, 6, 12, 0.9);
  box-shadow: inset 0 0 12px rgba(120, 180, 255, 0.16);
  text-shadow: 0 0 12px rgba(120, 180, 255, 0.45);
  width: fit-content;
}

header .signal a {
  color: inherit;
  text-decoration: none;
}

header .signal a:hover {
  text-decoration: underline;
}

header h1 {
  font-family: var(--font-title);
  font-size: clamp(2.1rem, 3.6vw, 3.3rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0;
}

header p {
  margin: 0;
  color: var(--muted);
  max-width: 720px;
  font-size: 0.98rem;
  line-height: 1.6;
}

main {
  padding: 0 7vw 64px;
  display: grid;
  gap: 28px;
  position: relative;
  z-index: 1;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(4, 7, 12, 0.95);
  padding: 20px 24px;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.45);
}

.panel::before {
  content: "";
  position: absolute;
  inset: 12px 14px auto 14px;
  height: 1px;
  background: rgba(130, 192, 255, 0.22);
}

.panel h2 {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  text-shadow: 0 0 14px rgba(140, 200, 255, 0.28);
}

.panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.search-panel {
  display: grid;
  gap: 12px;
}

.search-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.search-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.search-row input {
  flex: 1;
  min-width: 220px;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(3, 6, 12, 0.9);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.95rem;
  appearance: none;
  -webkit-appearance: none;
  caret-color: var(--signal);
}

.search-row input::placeholder {
  color: var(--muted);
  opacity: 0.75;
}

.search-row input::-webkit-search-decoration,
.search-row input::-webkit-search-cancel-button,
.search-row input::-webkit-search-results-button,
.search-row input::-webkit-search-results-decoration {
  display: none;
}

.search-row input:focus {
  outline: none;
  border-color: rgba(130, 192, 255, 0.6);
  box-shadow: 0 0 0 1px rgba(130, 192, 255, 0.4);
}

.search-row button {
  padding: 10px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(8, 14, 22, 0.95);
  color: var(--signal);
  font-family: var(--font-title);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

.search-row button:hover {
  border-color: rgba(130, 192, 255, 0.6);
}

.search-status {
  font-size: 0.85rem;
  color: var(--muted);
}

.index-grid {
  display: grid;
  gap: 16px;
}

.folder-group {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(4, 7, 12, 0.95);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.folder-group summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  font-family: var(--font-title);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--amber);
  background: rgba(3, 6, 12, 0.92);
  border-bottom: 1px solid var(--line);
}

.folder-group summary::-webkit-details-marker {
  display: none;
}

.folder-group summary::after {
  content: "+";
  color: var(--signal);
  font-size: 1.1rem;
}

.folder-group[open] summary::after {
  content: "-";
}

.folder-group .index-grid {
  padding: 18px 20px;
}

.entry {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(4, 7, 12, 0.92);
  padding: 18px 20px 16px;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.45);
  transition: border-color 0.2s ease;
  display: block;
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.entry:hover {
  border-color: rgba(130, 192, 255, 0.6);
}

.entry:visited,
.entry:active {
  color: inherit;
  text-decoration: none;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.entry-meta .path {
  color: var(--muted);
}

.entry h3 {
  margin: 10px 0 8px;
  font-family: var(--font-title);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}


.entry p {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.6;
}

.entry .entry-footer {
  font-size: 0.8rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.empty {
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
  padding: 22px 0;
}

.article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(4, 7, 12, 0.96);
  padding: 26px 28px 30px;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.45);
}

.article-header {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.article-header .breadcrumbs {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.article-header h1 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.article-header .meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.markdown {
  line-height: 1.9;
  color: #d8e6f8;
  font-size: 1.08rem;
  font-family: var(--font-entry);
  background: rgba(8, 12, 18, 0.78);
  padding: 18px 20px;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid rgba(130, 192, 255, 0.18);
  text-wrap: pretty;
}

.markdown h1,
.markdown h2,
.markdown h3,
.markdown h4 {
  font-family: var(--font-title);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-top: 24px;
  margin-bottom: 10px;
}

.markdown p {
  margin: 0 0 16px;
  color: inherit;
}

.markdown ul {
  margin: 0 0 16px 18px;
  padding: 0;
  color: inherit;
}

.markdown li {
  margin-bottom: 6px;
}

.markdown blockquote {
  margin: 16px 0;
  padding: 10px 16px;
  border-left: 2px solid rgba(130, 192, 255, 0.5);
  background: rgba(10, 18, 30, 0.65);
  color: inherit;
}

.markdown code {
  font-family: var(--font-body);
  font-size: 0.92rem;
  background: rgba(10, 20, 35, 0.6);
  padding: 2px 6px;
  border-radius: var(--radius);
  border: 1px solid rgba(130, 192, 255, 0.3);
}

.markdown pre {
  background: rgba(6, 12, 20, 0.9);
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(130, 192, 255, 0.24);
  overflow-x: auto;
  color: var(--ink);
}

.markdown hr {
  border: none;
  border-top: 1px solid rgba(130, 192, 255, 0.25);
  margin: 24px 0;
}

.markdown a {
  color: var(--signal);
  text-decoration: none;
}

.markdown a:hover {
  text-decoration: underline;
}

footer a,
.article-header .breadcrumbs a {
  color: var(--signal);
  text-decoration: none;
}

footer a:hover,
.article-header .breadcrumbs a:hover {
  text-decoration: underline;
}

footer {
  padding: 0 7vw 32px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  header {
    padding: 32px 7vw 20px;
  }

  main {
    padding: 0 7vw 48px;
  }

  .search-row {
    flex-direction: column;
    align-items: stretch;
  }

  .entry .entry-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}