/* ============================================================
   0xaigent — Cyber Green AI Blog Theme
   Overrides for hugo-theme-terminal
   ============================================================ */

/* --- Color Palette --- */
:root {
  --background: #0a0a0a;
  --foreground: #d0d0d0;
  --accent: #00ff41;
  --accent-dim: #00cc33;
  --accent-glow: rgba(0, 255, 65, 0.4);
  --accent-glow-strong: rgba(0, 255, 65, 0.7);
  --color: var(--foreground);
}

/* --- Base --- */
html {
  scrollbar-color: var(--accent-dim) var(--background);
}

body {
  background: var(--background);
  color: var(--foreground);
}

/* CRT scanline overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 255, 65, 0.015) 0px,
    rgba(0, 255, 65, 0.015) 1px,
    transparent 1px,
    transparent 3px
  );
}

/* --- Selection --- */
::selection {
  background: var(--accent);
  color: var(--background);
}

::-moz-selection {
  background: var(--accent);
  color: var(--background);
}

/* --- Scrollbar (Webkit) --- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--accent-dim);
  border-radius: 4px;
}

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

/* --- Links --- */
a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-shadow: 0 0 8px var(--accent-glow), 0 0 16px var(--accent-glow);
}

/* --- Logo --- */
.logo {
  background: var(--background);
  color: var(--accent);
  text-shadow: 0 0 10px var(--accent-glow);
  transition: text-shadow 0.3s ease;
}

.logo a {
  color: var(--accent);
}

a:hover .logo,
.logo:hover {
  text-shadow: 0 0 12px var(--accent-glow-strong), 0 0 24px var(--accent-glow);
}

/* Blinking cursor */
.cursor {
  display: inline-block;
  width: 0.6em;
  height: 1.1em;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

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

/* --- Headings --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--accent);
}

.post-title {
  color: var(--accent);
}

.post-title a {
  color: var(--accent);
}

/* --- Post content --- */
.post-content {
  color: var(--foreground);
}

.post-content a {
  color: var(--accent);
  border-bottom: 1px dashed var(--accent-dim);
}

.post-content a:hover {
  border-bottom-style: solid;
  text-shadow: 0 0 8px var(--accent-glow);
}

/* --- Post meta --- */
.post-date,
.post-tags,
.post-reading-time {
  color: var(--accent-dim);
}

/* --- Code blocks --- */
pre {
  background: #111 !important;
  border: 1px solid #1a1a1a;
  border-left: 3px solid var(--accent);
  box-shadow: 0 0 8px rgba(0, 255, 65, 0.1);
}

code {
  color: var(--accent);
  background: #111;
}

pre code {
  color: var(--foreground);
}

/* --- Blockquotes --- */
blockquote {
  border-left-color: var(--accent);
  color: #aaa;
}

/* --- Images --- */
.post-content img {
  border: 1px solid #222;
  box-shadow: 0 0 12px rgba(0, 255, 65, 0.08);
  transition: box-shadow 0.3s ease;
}

.post-content img:hover {
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.2);
}

/* --- Menu --- */
.menu a {
  color: var(--accent);
}

.menu a:hover {
  text-shadow: 0 0 8px var(--accent-glow);
}

.menu .menu__inner li.active a {
  color: var(--accent);
}

/* --- Footer --- */
.footer {
  color: #555;
}

.footer a {
  color: var(--accent-dim);
}

/* --- Pagination --- */
.pagination a {
  color: var(--accent);
  border-color: var(--accent);
}

.pagination a:hover {
  background: var(--accent);
  color: var(--background);
}

/* --- Tags --- */
.post-tags a {
  color: var(--accent);
}

.post-tags a::before {
  color: var(--accent-dim);
}

/* --- HR --- */
hr {
  border-color: #222;
}

/* --- Table --- */
table {
  border-color: #222;
}

th {
  color: var(--accent);
  border-bottom-color: var(--accent-dim);
}

td {
  border-bottom-color: #1a1a1a;
}

/* ============================================================
   404 Page Styles
   ============================================================ */

.error-404 {
  text-align: center;
  padding: 2rem 0;
}

.glitch {
  font-size: 6rem;
  font-weight: bold;
  color: var(--accent);
  position: relative;
  display: inline-block;
  text-shadow: 0 0 20px var(--accent-glow);
  animation: glitch-skew 4s infinite linear alternate-reverse;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  color: var(--accent);
  animation: glitch-effect 3s infinite linear alternate-reverse;
  clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
  transform: translate(-2px);
}

.glitch::after {
  color: var(--accent);
  animation: glitch-effect 2s infinite linear alternate-reverse;
  clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
  transform: translate(2px);
}

@keyframes glitch-effect {
  0% { transform: translate(0); }
  20% { transform: translate(-3px, 3px); }
  40% { transform: translate(-3px, -3px); }
  60% { transform: translate(3px, 3px); }
  80% { transform: translate(3px, -3px); }
  100% { transform: translate(0); }
}

@keyframes glitch-skew {
  0% { transform: skew(0deg); }
  20% { transform: skew(0deg); }
  21% { transform: skew(2deg); }
  22% { transform: skew(0deg); }
  80% { transform: skew(0deg); }
  81% { transform: skew(-1deg); }
  82% { transform: skew(0deg); }
  100% { transform: skew(0deg); }
}

.error-ascii {
  font-size: 0.75rem;
  line-height: 1.2;
  color: var(--accent-dim);
  opacity: 0.6;
  margin: 1.5rem 0;
  white-space: pre;
  font-family: monospace;
}

.error-message {
  color: var(--accent);
  font-size: 1.1rem;
  margin: 1rem 0;
}

.error-prompt {
  color: var(--foreground);
  font-family: monospace;
  margin: 2rem 0 1rem;
}

.error-prompt .prompt-symbol {
  color: var(--accent);
}

.error-home-link {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  transition: all 0.3s ease;
}

.error-home-link:hover {
  background: var(--accent);
  color: var(--background);
  box-shadow: 0 0 12px var(--accent-glow);
  text-shadow: none;
}

/* ============================================================
   Posts List — Cyber Terminal Feed
   ============================================================ */

/* Card layout */
.post.on-list {
  position: relative;
  border: 1px solid #1a1a1a;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  background: var(--background);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  overflow: hidden;
  /* Staggered fade-in */
  opacity: 0;
  animation: fadeInUp 0.5s ease forwards;
  animation-delay: calc(var(--i, 0) * 0.08s);
}

.post.on-list:hover {
  border-color: var(--accent);
  box-shadow: 0 0 15px rgba(0, 255, 65, 0.1), 0 0 30px rgba(0, 255, 65, 0.05);
  background: #0d0d0d;
}

/* Hover scan line — sweeps top to bottom */
.post.on-list::before {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: top 0.4s ease, opacity 0.2s ease;
  pointer-events: none;
}

.post.on-list:hover::before {
  top: 100%;
  opacity: 0.6;
}

/* Hex post counter */
.post-index {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.75rem;
  color: var(--accent-dim);
  opacity: 0.4;
  letter-spacing: 0.05em;
  transition: opacity 0.3s ease;
}

.post.on-list:hover .post-index {
  opacity: 0.8;
}

/* Terminal prompt prefix on titles */
.post.on-list .post-title::before {
  content: ">_ ";
  color: var(--accent-dim);
  opacity: 0.6;
  font-weight: normal;
}

/* List page header block with ASCII pet */
.list-header-block {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.list-header-block .ascii-pet {
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.post.on-list:hover .list-header-block .ascii-pet {
  opacity: 1;
}

.list-header-block .ascii-pet pre {
  font-size: 0.65rem;
  line-height: 1.15;
  margin: 0;
  padding: 0;
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  color: var(--accent);
  white-space: pre;
}

.list-header-info {
  flex: 1;
  min-width: 0;
  position: relative;
}

.list-header-info .post-index {
  position: absolute;
  top: 0;
  right: 0;
}

@media (max-width: 600px) {
  .list-header-block .ascii-pet {
    display: none;
  }
}

/* Fade-in animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Remove default separator — cards handle spacing */
.post.on-list:not(:last-of-type) {
  border-bottom: 1px solid #1a1a1a;
}

/* Read more link in card context */
.post.on-list .read-more {
  color: var(--accent-dim);
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.post.on-list:hover .read-more {
  color: var(--accent);
  text-shadow: 0 0 6px var(--accent-glow);
}

/* ============================================================
   Matrix Rain Canvas
   ============================================================ */

#matrixRain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.3;
}

/* Push main content above the canvas */
.container {
  position: relative;
  z-index: 1;
}

/* ============================================================
   Boot Sequence Overlay
   ============================================================ */

.boot-overlay {
  position: fixed;
  inset: 0;
  background: #0a0a0a;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease;
}

.boot-overlay.boot-fade {
  opacity: 0;
}

.boot-text {
  font-family: 'Fira Code', monospace;
  font-size: 0.85rem;
  color: var(--accent);
  max-width: 500px;
  width: 90%;
}

.boot-line {
  opacity: 0;
  animation: bootLineIn 0.15s ease forwards;
  margin-bottom: 0.4rem;
  white-space: nowrap;
  overflow: hidden;
}

@keyframes bootLineIn {
  from { opacity: 0; transform: translateX(-5px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   Logo Glitch on Hover
   ============================================================ */

.logo {
  position: relative;
}

a:hover .logo {
  animation: logoGlitch 0.3s ease;
}

@keyframes logoGlitch {
  0%   { transform: translate(0); }
  10%  { transform: translate(-2px, 1px); }
  20%  { transform: translate(2px, -1px); text-shadow: -2px 0 #ff0040, 2px 0 #00ff41; }
  30%  { transform: translate(-1px, 2px); }
  40%  { transform: translate(1px, -2px); text-shadow: 2px 0 #ff0040, -2px 0 #00ff41; }
  50%  { transform: translate(0); text-shadow: 0 0 10px var(--accent-glow); }
  100% { transform: translate(0); text-shadow: 0 0 12px var(--accent-glow-strong), 0 0 24px var(--accent-glow); }
}

/* ============================================================
   System Status Footer
   ============================================================ */

.system-status {
  margin-top: 0.5rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.7rem;
  color: #444;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 4px;
  box-shadow: 0 0 6px var(--accent-glow);
  animation: statusPulse 2s ease infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--accent-glow); }
  50%      { opacity: 0.5; box-shadow: 0 0 2px var(--accent-glow); }
}

.status-sep {
  color: #333;
}

.status-val {
  color: var(--accent-dim);
}

.signal-strength {
  letter-spacing: -1px;
  animation: signalFlicker 4s ease infinite;
}

@keyframes signalFlicker {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.7; }
  75%      { opacity: 0.9; }
  85%      { opacity: 0.6; }
}

/* ============================================================
   Post Page — ASCII Pet + Header Block
   ============================================================ */

.post-header-block {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 1rem;
  padding: 1.5rem;
  border: 1px solid #1a1a1a;
  background: rgba(10, 10, 10, 0.8);
  position: relative;
}

.post-header-block::before {
  content: "TRANSMISSION";
  position: absolute;
  top: -0.6rem;
  left: 1rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.6rem;
  color: var(--accent-dim);
  background: var(--background);
  padding: 0 0.5rem;
  letter-spacing: 0.15em;
  opacity: 0.6;
}

.post-header-info {
  flex: 1;
  min-width: 0;
}

/* ASCII pet */
.ascii-pet {
  flex-shrink: 0;
  color: var(--accent);
  opacity: 0.5;
  transition: opacity 0.3s ease;
}

.ascii-pet pre {
  font-size: 0.6rem;
  line-height: 1.15;
  margin: 0;
  padding: 0;
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  color: var(--accent);
  white-space: pre;
}

.post-header-block:hover .ascii-pet {
  opacity: 0.9;
}

/* Responsive — hide pet on small screens */
@media (max-width: 600px) {
  .post-header-block {
    flex-direction: column-reverse;
    gap: 0.5rem;
  }

  .ascii-pet {
    align-self: flex-end;
    opacity: 0.3;
  }

  .ascii-pet pre {
    font-size: 0.5rem;
  }
}