/* ============================================
   ioctl — Matrix / hacker theme overrides
   ============================================ */

/* --- Matrix green palette --- */
:root {
  --background: #0a0a0a;
  --foreground: #e0e0e0;
  --accent: #00ff41;
  --matrix-green: #00ff41;
  --matrix-green-bright: #39ff14;
  --matrix-green-dim: #003b00;
  --matrix-green-glow: 0 0 10px rgba(0, 255, 65, 0.3), 0 0 20px rgba(0, 255, 65, 0.1);
  --matrix-bg: #0a0a0a;
  --matrix-bg-lighter: #0f1a0f;
  --accent-alpha-70: rgba(0, 255, 65, 0.7);
  --accent-alpha-20: rgba(0, 255, 65, 0.2);
  --accent-alpha-10: rgba(0, 255, 65, 0.1);
  --accent-alpha-05: rgba(0, 255, 65, 0.05);
}

/* --- Font: JetBrains Mono --- */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;700&display=swap');

body {
  font-family: 'JetBrains Mono', 'Fira Code', 'Source Code Pro', monospace;
  background-color: var(--matrix-bg) !important;
}

/* --- Falling katakana rain background --- */
body::before {
  content: "アイオクトル ハック セキュリティ カーネル シェル ルート エクスプロイト バッファ オーバフロー ネットワーク プロトコル デバイス ドライバ メモリ プロセス";
  position: fixed;
  top: -50%;
  left: 0;
  width: 100%;
  height: 200%;
  font-size: 1.1em;
  line-height: 1.8;
  letter-spacing: 0.5em;
  word-break: break-all;
  color: var(--matrix-green);
  opacity: 0.03;
  pointer-events: none;
  z-index: -1;
  animation: matrix-scroll 60s linear infinite;
  writing-mode: vertical-rl;
  overflow: hidden;
}

@keyframes matrix-scroll {
  0% { transform: translateY(-25%); }
  100% { transform: translateY(0%); }
}

/* --- Logo: blinking underscore cursor ---
   The Terminal theme renders logo text inside .logo div */
.logo::after {
  content: "_";
  animation: cursor-blink 0.8s step-end infinite;
  color: var(--matrix-green);
  margin-left: 2px;
  font-weight: 300;
  text-shadow: var(--matrix-green-glow);
}

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

/* --- Green text glow on headings --- */
h1, h2, h3 {
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.15);
}

.logo {
  text-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

/* --- Katakana decorators on section headings in posts --- */
.post-content h2::before {
  content: "» ";
  color: var(--matrix-green);
  opacity: 0.5;
}

/* Small katakana watermark in the footer area */
.footer::after {
  content: " // イオクトル";
  color: var(--matrix-green);
  opacity: 0.4;
  font-size: 0.85em;
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.2);
}

/* --- Subtitle under logo --- */
.site-subtitle {
  color: var(--matrix-green);
  font-size: 0.8em;
  opacity: 0.5;
  margin-top: 0.3em;
  letter-spacing: 0.1em;
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.2);
}

/* --- Code blocks: Matrix terminal style --- */
pre {
  border-left: 3px solid var(--matrix-green);
  border-radius: 0;
  padding: 1em;
  background: var(--matrix-bg) !important;
  box-shadow: inset 0 0 30px rgba(0, 255, 65, 0.02);
}

/* Inline code */
code:not(pre > code) {
  background: var(--accent-alpha-10);
  padding: 0.15em 0.4em;
  border-radius: 2px;
  color: var(--matrix-green-bright);
}

/* --- Blockquotes --- */
blockquote {
  border-left: 3px solid var(--matrix-green);
  background: var(--accent-alpha-05);
  padding: 0.8em 1.2em;
  margin: 1.5em 0;
}

/* --- Post list styling --- */
.posts-list .post-title {
  border-bottom: 1px dashed var(--accent-alpha-20);
  padding-bottom: 0.5em;
}

/* --- Active menu item --- */
.navigation-menu a.active {
  color: var(--matrix-green-bright) !important;
  text-shadow: 0 0 10px rgba(0, 255, 65, 0.4);
  border-bottom: 2px solid var(--matrix-green);
  padding-bottom: 2px;
}

/* --- Links: green glow on hover --- */
a:hover {
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.4);
}

/* --- Tag pills --- */
.post-tags a {
  border: 1px solid var(--accent-alpha-70);
  border-radius: 0;
  padding: 0.15em 0.5em;
  font-size: 0.85em;
  transition: all 0.2s ease;
  text-transform: lowercase;
}

.post-tags a:hover {
  background: var(--accent-alpha-20);
  box-shadow: 0 0 8px rgba(0, 255, 65, 0.2);
}

/* --- Horizontal rules: scanline style --- */
hr {
  border: none;
  border-top: 1px solid var(--accent-alpha-20);
  margin: 2em 0;
  position: relative;
}

hr::after {
  content: "//";
  position: absolute;
  top: -0.7em;
  left: 50%;
  transform: translateX(-50%);
  background: var(--matrix-bg);
  padding: 0 0.5em;
  color: var(--accent-alpha-20);
  font-size: 0.8em;
}

/* --- Scrollbar: Matrix style (webkit) --- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--matrix-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-alpha-20);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-alpha-70);
  box-shadow: 0 0 6px rgba(0, 255, 65, 0.3);
}

/* --- Selection highlight --- */
::selection {
  background: var(--matrix-green);
  color: #000;
}

/* --- Tables --- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
}

th, td {
  border: 1px solid var(--accent-alpha-20);
  padding: 0.5em 0.8em;
  text-align: left;
}

th {
  background: var(--accent-alpha-10);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.85em;
  letter-spacing: 0.05em;
}

/* --- Subtle CRT scanline effect (very faint) --- */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

/* --- Table of Contents --- */
.toc {
  border: 1px dashed var(--accent-alpha-20);
  padding: 1em 1.5em;
  margin: 1.5em 0;
  max-width: 500px;
}

.toc h3 {
  margin-top: 0;
  color: var(--matrix-green);
  font-size: 0.95em;
}

.toc h3::before {
  content: "目次 ";
  opacity: 0.4;
  font-size: 0.9em;
}

.toc ul {
  list-style: none;
  padding-left: 1em;
}

.toc li {
  margin: 0.3em 0;
}

.toc li::before {
  content: "├─ ";
  color: var(--accent-alpha-20);
}

.toc li:last-child::before {
  content: "└─ ";
  color: var(--accent-alpha-20);
}

.toc a {
  text-decoration: none;
  border-bottom: 1px dashed var(--accent-alpha-20);
}

.toc a:hover {
  border-bottom-color: var(--matrix-green);
  text-shadow: 0 0 6px rgba(0, 255, 65, 0.3);
}

/* --- Reading time --- */
.post-reading-time {
  opacity: 0.6;
  font-size: 0.9em;
}

/* === Breadcrumb === */
.breadcrumb {
  margin-bottom: 1.5em;
  font-size: 0.95em;
}

.breadcrumb .prompt {
  color: var(--matrix-green);
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.2);
}

/* === Home page terminal styling === */
.home-terminal {
  max-width: 800px;
  margin: 0 auto;
}

.terminal-output {
  margin-bottom: 1.5em;
}

.terminal-cmd {
  margin-bottom: 0.3em;
}

.prompt {
  color: var(--matrix-green);
}

.ls-output {
  border: none !important;
  border-left: none !important;
  padding: 0.5em 0 0.5em 1em !important;
  background: transparent !important;
  box-shadow: none !important;
  line-height: 1.6;
}

.ls-output a.dir {
  color: var(--matrix-green-bright);
  font-weight: 700;
  text-decoration: none;
}

.ls-output a.dir:hover {
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.5);
}

.ls-output a.file {
  color: var(--matrix-green);
  text-decoration: none;
}

.ls-output a.file:hover {
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.5);
}

.ls-output .dir {
  color: var(--matrix-green-bright);
  font-weight: 700;
}

.ls-comment {
  color: var(--matrix-green);
  opacity: 0.25;
  font-style: normal;
}

.motd {
  border: none !important;
  border-left: none !important;
  padding: 0 0 0 1em !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--matrix-green);
  opacity: 0.8;
}

.recent-posts {
  padding-left: 1em;
}

.find-result {
  margin: 0.2em 0;
  font-size: 0.9em;
}

.find-path {
  color: var(--accent-alpha-70);
}

.find-result a {
  color: var(--matrix-green);
  text-decoration: none;
  margin-right: 1em;
}

.find-result a:hover {
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.4);
}

.find-date {
  opacity: 0.4;
  font-size: 0.85em;
}

.cursor-blink {
  animation: cursor-blink 0.8s step-end infinite;
  color: var(--matrix-green);
}

/* === CTF platform grid === */
.platform-grid {
  display: flex;
  flex-direction: column;
  gap: 1em;
  max-width: 600px;
}

.platform-card {
  display: flex;
  align-items: center;
  gap: 1.5em;
  padding: 1.2em 1.5em;
  border: 1px solid var(--accent-alpha-20);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

.platform-card:hover {
  border-color: var(--matrix-green);
  background: var(--accent-alpha-05);
  box-shadow: 0 0 15px rgba(0, 255, 65, 0.1);
}

.platform-card.disabled {
  opacity: 0.3;
  pointer-events: none;
}

.platform-icon {
  font-size: 1.5em;
  color: var(--matrix-green);
  flex-shrink: 0;
  width: 60px;
  text-align: center;
  letter-spacing: 0.1em;
}

.platform-info h3 {
  margin: 0;
  font-size: 1.1em;
  text-shadow: none;
}

.platform-count {
  font-size: 0.85em;
  color: var(--matrix-green);
  margin: 0.2em 0;
}

.platform-desc {
  font-size: 0.8em;
  opacity: 0.5;
  margin: 0;
}

/* === Machine list === */
.machine-list {
  max-width: 700px;
}

.machine-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7em 0;
  border-bottom: 1px dashed var(--accent-alpha-20);
  text-decoration: none;
  color: inherit;
  transition: all 0.15s ease;
}

.machine-entry:hover {
  padding-left: 0.5em;
  border-bottom-color: var(--matrix-green);
}

.machine-entry:hover .machine-name {
  color: var(--matrix-green);
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.3);
}

.machine-name {
  font-weight: 700;
  flex-shrink: 0;
}

.machine-meta {
  font-size: 0.8em;
  opacity: 0.5;
  text-transform: lowercase;
  flex-grow: 1;
  text-align: center;
  padding: 0 1em;
}

.machine-date {
  font-size: 0.8em;
  opacity: 0.3;
  flex-shrink: 0;
}