/* =========================================================
   root@writeups — token system
   ========================================================= */
:root {
  /* surface */
  --bg: #0A0C10;
  --bg-elevated: #12151C;
  --bg-card: #12151c;
  --bg-card-hover: #171B23;
  --border: #212632;
  --border-soft: #191d27;

  /* text */
  --text: #E6E4DD;
  --text-dim: #8890A0;
  --text-faint: #565D6B;

  /* accents */
  --accent: #FF8A3D;         /* amber phosphor */
  --accent-soft: rgba(255, 138, 61, 0.12);
  --accent-2: #4FD8C4;       /* muted teal */
  --accent-2-soft: rgba(79, 216, 196, 0.12);
  --danger: #FF5C5C;         /* root / critical */
  --danger-soft: rgba(255, 92, 92, 0.12);
  --violet: #B98CFF;         /* insane difficulty */

  /* type */
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius: 6px;
  --rail-w: 220px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(255,138,61,0.05), transparent),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px, transparent 1px, transparent 3px);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

h1, h2, h3, h4 {
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.3;
}

code, pre {
  font-family: var(--mono);
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================
   header
   ========================================================= */
.site-header {
  border-bottom: 1px solid var(--border-soft);
  padding: 22px 0;
}
.site-header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.brand {
  font-family: var(--mono);
  font-size: 1.05rem;
  color: var(--text);
}
.brand .prompt { color: var(--accent); }
.brand .cursor {
  display: inline-block;
  width: 8px; height: 1.1em;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.site-nav { display: flex; gap: 20px; font-family: var(--mono); font-size: 0.88rem; }
.site-nav a { color: var(--text-dim); }
.site-nav a:hover { color: var(--accent); text-decoration: none; }

.tagline {
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* =========================================================
   badges — difficulty / os
   ========================================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-easy   { color: var(--accent-2); background: var(--accent-2-soft); border-color: rgba(79,216,196,0.25); }
.badge-medium { color: var(--accent);   background: var(--accent-soft);   border-color: rgba(255,138,61,0.25); }
.badge-hard   { color: var(--danger);   background: var(--danger-soft);   border-color: rgba(255,92,92,0.25); }
.badge-insane { color: var(--violet);   background: rgba(185,140,255,0.12); border-color: rgba(185,140,255,0.25); }
.badge-os     { color: var(--text-dim); background: var(--bg-elevated); border-color: var(--border); }
.badge-blog   { color: var(--accent-2); background: var(--accent-2-soft); border-color: rgba(79,216,196,0.25); }

/* =========================================================
   dashboard — neofetch-style stats panel
   ========================================================= */
.dash-stats {
  display: flex;
  gap: 28px;
  align-items: center;
  margin-top: 36px;
  padding: 24px 26px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.dash-avatar {
  flex-shrink: 0;
  width: 84px;
  height: 84px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--bg);
  background: linear-gradient(155deg, var(--accent), var(--accent-2) 130%);
}
.dash-avatar-cursor {
  display: inline-block;
  width: 5px; height: 0.9em;
  background: var(--bg);
  margin-left: 3px;
  animation: blink 1.1s steps(1) infinite;
}
/* When using an image inside the avatar, make it fill the box cleanly */
.dash-avatar { padding: 0; background: none; }
.dash-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  display: block;
  object-fit: cover;
}
.dash-specs { flex: 1; min-width: 0; }
.spec-line {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--mono);
  font-size: 0.86rem;
  padding: 3px 0;
}
.spec-key {
  color: var(--text-faint);
  min-width: 130px;
  flex-shrink: 0;
}
.spec-key::after { content: ":"; }
.spec-value { color: var(--text); }
.spec-diff { flex-wrap: wrap; align-items: center; padding-top: 8px; }
.diff-bar {
  flex: 1;
  min-width: 160px;
  display: flex;
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--bg-elevated);
}
.diff-seg { height: 100%; }
.diff-easy   { background: var(--accent-2); }
.diff-medium { background: var(--accent); }
.diff-hard   { background: var(--danger); }
.diff-insane { background: var(--violet); }
.diff-legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--text-faint);
  width: 100%;
  margin-top: 8px;
}
.diff-legend span { display: inline-flex; align-items: center; gap: 5px; }
.dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.dot-easy   { background: var(--accent-2); }
.dot-medium { background: var(--accent); }
.dot-hard   { background: var(--danger); }
.dot-insane { background: var(--violet); }

.dash-section { margin-top: 12px; }

/* Comments */
#comments { margin-top: 32px; }
#comments .utterances { max-width: 100%; }

/* =========================================================
   home — the "ls -la" directory listing
   ========================================================= */
.listing-head {
  font-family: var(--mono);
  color: var(--text-dim);
  font-size: 0.88rem;
  margin: 40px 0 4px;
}
.listing-head .path { color: var(--accent); }
.listing-head.blog .path { color: var(--accent-2); }

.listing {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 60px;
}
.listing-row {
  display: grid;
  grid-template-columns: 84px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text);
  transition: background 0.15s ease;
}
.listing-row:last-child { border-bottom: none; }
.listing-row:hover { background: var(--bg-card-hover); text-decoration: none; }

.listing-perm {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-faint);
}
.listing-main .box-name {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text);
}

.listing-main {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.listing-main .box-meta {
  color: var(--text-faint);
  font-size: 0.82rem;
  margin-top: 3px;
}
.listing-main .box-meta .tag::after { content: " · "; color: var(--border); }
.listing-main .box-meta .tag:last-child::after { content: ""; }
.listing-date {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  white-space: nowrap;
}

/* =========================================================
   post — meta bar
   ========================================================= */
.box-meta-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 4px 0 6px;
}
.post-title {
  font-size: 1.9rem;
  margin: 4px 0 10px;
}
.post-subline {
  font-family: var(--mono);
  color: var(--text-faint);
  font-size: 0.82rem;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-soft);
}
.post-subline span + span::before { content: " · "; color: var(--border); }

/* =========================================================
   post layout + attack rail (signature element)
   ========================================================= */
.post-layout {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

.rail {
  position: sticky;
  top: 32px;
  font-family: var(--mono);
}
.rail-label {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 14px;
}
.rail-track {
  position: relative;
  padding-left: 22px;
}
.rail-track::before {
  content: "";
  position: absolute;
  left: 5px; top: 4px; bottom: 4px;
  width: 1px;
  background: var(--border);
}
.rail-node {
  position: relative;
  display: block;
  padding: 9px 0;
  font-size: 0.82rem;
  color: var(--text-faint);
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
  width: 100%;
}
.rail-node::before {
  content: attr(data-idx);
  position: absolute;
  left: -22px; top: 9px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 0;
}
.rail-node:hover { color: var(--text-dim); text-decoration: none; }
.rail-node.active {
  color: var(--accent);
}
.rail-node.active::before {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.post-content { min-width: 0; }
.post-content h2 {
  font-size: 1.25rem;
  margin-top: 44px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-soft);
  scroll-margin-top: 24px;
}
.post-content h2 .h2-idx {
  color: var(--accent);
  margin-right: 10px;
}
.post-content h3 { font-size: 1.05rem; margin-top: 28px; }
.post-content p { color: var(--text); }
.post-content ul, .post-content ol { padding-left: 22px; }
.post-content img {
  max-width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.post-content blockquote {
  margin: 20px 0;
  padding: 4px 18px;
  border-left: 2px solid var(--accent);
  color: var(--text-dim);
}

/* =========================================================
   code blocks — terminal styled
   ========================================================= */
.post-content pre {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  font-size: 0.86rem;
  line-height: 1.55;
  position: relative;
  margin: 20px 0;
}
/* NEW — only prefix real commands, not raw output */
.post-content div.language-bash pre::before,
.post-content div.language-shell pre::before,
.post-content div.language-console pre::before {
  content: "$";
  color: var(--accent);
  margin-right: 10px;
}

/* dim, label raw output so it reads distinctly */
.post-content div.language-text pre,
.post-content pre.highlight:not([class*="language-"]) {
  color: var(--text-dim);
}
.post-content p code, .post-content li code {
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 0.85em;
  color: var(--accent-2);
}
.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
}

/* flag callout */
.flag {
  font-family: var(--mono);
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--danger-soft);
  border: 1px solid rgba(255,92,92,0.3);
  color: var(--danger);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin: 20px 0;
  font-size: 0.88rem;
}
.flag::before { content: "▶"; font-size: 0.7rem; }

/* =========================================================
   footer
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--border-soft);
  margin-top: 80px;
  padding: 28px 0 50px;
  color: var(--text-faint);
  font-family: var(--mono);
  font-size: 0.78rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.site-footer a { color: var(--text-dim); }

/* =========================================================
   blog — card grid
   ========================================================= */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 60px;
}
.blog-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.blog-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(79,216,196,0.35);
  text-decoration: none;
  transform: translateY(-2px);
}
.blog-card-meta {
  display: flex;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--text-faint);
}
.blog-card-meta span + span::before { content: "· "; }
.blog-card-title {
  font-size: 1.02rem;
  margin: 0;
  color: var(--text);
}
.blog-card-excerpt {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.55;
  margin: 0;
  flex: 1;
}
.blog-card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; }
.blog-card-tags .tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent-2);
  background: var(--accent-2-soft);
  border: 1px solid rgba(79,216,196,0.2);
  border-radius: 4px;
  padding: 2px 7px;
}

/* =========================================================
   responsive
   ========================================================= */
@media (max-width: 760px) {
  .post-layout { grid-template-columns: 1fr; gap: 24px; }
  .rail {
    position: static;
    display: flex;
    overflow-x: auto;
    gap: 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-soft);
  }
  .rail-label { display: none; }
  .rail-track { padding-left: 0; display: flex; gap: 18px; }
  .rail-track::before { display: none; }
  .rail-node { width: auto; white-space: nowrap; padding: 4px 0; }
  .rail-node::before { position: static; display: inline-block; margin-right: 6px; vertical-align: middle; }
  .listing-row { grid-template-columns: 1fr; }
  .listing-date { display: none; }
  .dash-stats { flex-direction: column; align-items: flex-start; }
  .spec-key { min-width: 110px; }
}

.copy-btn {
  position: absolute; top: 8px; right: 8px;
  font-family: var(--mono); font-size: 0.7rem;
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-dim); border-radius: 4px;
  padding: 2px 8px; cursor: pointer; opacity: 0;
  transition: opacity 0.15s ease;
}
.post-content pre:hover .copy-btn { opacity: 1; }
.post-header {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.post-icon {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  flex-shrink: 0;
}
.box-name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.box-icon-inline {
  width: 50px;
  height: 50px;
  border-radius: 4px;
  object-fit: cover;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
/* ---------- TOP BAR (flex layout) ---------- */
.dash-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem 1.5rem;
  margin-bottom: 0.25rem;
}

/* ---------- YOUTUBE WIDGET ---------- */
.youtube-widget {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.3rem 1rem 0.3rem 0.8rem;
  background: rgba(10, 12, 16, 0.85);
  border: 1px solid var(--accent, #FF8A3D);
  border-radius: 6px;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--accent, #FF8A3D);
  box-shadow: 0 0 18px rgba(255, 138, 61, 0.04);
  transition: all 0.25s ease-in-out;
  backdrop-filter: blur(2px);
  white-space: nowrap;
}

.youtube-widget:hover {
  border-color: #ffffff;
  box-shadow: 0 0 30px rgba(255, 138, 61, 0.2);
  background: rgba(10, 12, 16, 0.95);
}

/* widget elements */
.yt-icon {
  font-size: 0.7rem;
  opacity: 0.8;
}
.yt-channel a {
  color: var(--accent, #FF8A3D);
  text-decoration: none;
  font-weight: bold;
}
.yt-channel a:hover {
  color: #ffffff;
}
.yt-sep {
  color: #3a3f4a;
  user-select: none;
}
.yt-stats {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.yt-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: #ff3b30;
  border-radius: 50%;
  animation: blink-dot 1.2s infinite;
  box-shadow: 0 0 6px #ff3b30;
}
@keyframes blink-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.2; transform: scale(0.8); }
}
#sub-count {
  font-weight: bold;
  min-width: 2.8rem;
  display: inline-block;
  text-align: right;
}
.yt-latest {
  color: var(--accent, #FF8A3D);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 138, 61, 0.2);
}
.yt-latest:hover {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 720px) {
  .dash-topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  .youtube-widget {
    white-space: normal;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
}