/*
Theme Name: JustRuss
Theme URI: https://justruss.tech
Description: Custom dark security research blog theme
Version: 1.0
Author: justruss
*/

:root {
  --bg:      #0a0c0f;
  --bg2:     #0f1318;
  --bg3:     #141920;
  --bg4:     #1a2030;
  --border:  rgba(0,255,160,0.10);
  --border2: rgba(0,255,160,0.22);
  --green:   #00ffa0;
  --cyan:    #00d4ff;
  --text:    #e8edf2;
  --muted:   #8a96a4;
  --dim:     #4a5568;
  --mono:    'Share Tech Mono', monospace;
  --sans:    'DM Sans', sans-serif;
  --display: 'Syne', sans-serif;
  --r:       6px;
  --rl:      12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,255,160,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,160,0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

a { color: inherit; text-decoration: none; }

.site-wrapper {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* SIDEBAR */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border2) transparent;
}

.logo-link { display: block; }
.logo-link:hover .logo-badge { background: rgba(0,255,160,0.08); }

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--green);
  border-radius: var(--r);
  font-family: var(--display);
  font-size: 18px;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 0.85rem;
  transition: background 0.15s;
}

.site-name {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 3px;
}

.site-tagline {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--green);
  letter-spacing: 0.04em;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  margin-right: 5px;
  animation: pulse 2.2s infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.45; }
}

nav ul { list-style: none; display: flex; flex-direction: column; gap: 1px; }

.nav-label {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 0 10px;
  margin-bottom: 5px;
}

nav a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: var(--r);
  color: var(--muted);
  font-size: 13.5px;
  border: 1px solid transparent;
  transition: all 0.14s;
}

nav a:hover { color: var(--text); background: rgba(0,255,160,0.05); }
nav a.active,
nav a.current-cat,
nav a.current-menu-item { color: var(--green); border-color: var(--border); background: rgba(0,255,160,0.04); }

.nav-icon {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--green);
  opacity: 0.65;
  min-width: 20px;
  text-align: center;
}

.nav-count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--dim);
  background: var(--bg3);
  padding: 1px 6px;
  border-radius: 3px;
}

.nav-cat-dfir            { color: #00ffa0 !important; }
.nav-cat-threathunting   { color: #00d4ff !important; }
.nav-cat-hackthebox      { color: #b794f4 !important; }
.nav-cat-malwareanalysis { color: #f6ad55 !important; }
.nav-cat-homelab         { color: #68d391 !important; }

.sidebar-links {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--dim);
  font-size: 12px;
  font-family: var(--mono);
  padding: 5px 8px;
  border-radius: var(--r);
  transition: all 0.14s;
}
.social-link:hover { color: var(--cyan); background: rgba(0,212,255,0.05); }
.social-link svg { width: 13px; height: 13px; fill: currentColor; flex-shrink: 0; }

/* MOBILE */
.mobile-header {
  display: none;
  padding: 0.9rem 1.25rem;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.mobile-logo { font-family: var(--mono); font-size: 14px; color: var(--green); }

.hamburger {
  background: none;
  border: 1px solid var(--border2);
  border-radius: var(--r);
  padding: 6px 9px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hamburger span { display: block; width: 18px; height: 1.5px; background: var(--muted); }

.mobile-nav {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
}
.mobile-nav a {
  display: block;
  padding: 8px 0;
  color: var(--muted);
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

/* MAIN */
.main-content { min-height: 100vh; overflow-y: auto; }

/* PAGE HEADER */
.page-header {
  padding: 3.5rem 3.5rem 2.5rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(0,255,160,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.page-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-eyebrow::before { content: '//'; color: var(--dim); }

.page-title {
  font-family: var(--display);
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.page-title .blink::after {
  content: '_';
  animation: blink 1.1s step-end infinite;
  color: var(--green);
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.page-desc { font-size: 15px; color: var(--muted); max-width: 520px; line-height: 1.8; }

/* POST LIST */
.posts-section { padding: 2rem 3.5rem 4rem; }

.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}

.filter-label { font-family: var(--mono); font-size: 11px; color: var(--dim); margin-right: 4px; }

.filter-btn {
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: none;
  cursor: pointer;
  transition: all 0.14s;
  display: inline-block;
}
.filter-btn:hover { border-color: var(--border2); color: var(--text); }
.filter-btn.active { border-color: var(--green); color: var(--green); background: rgba(0,255,160,0.05); }

.posts-list { display: flex; flex-direction: column; gap: 10px; }

.post-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  padding: 1.4rem 1.6rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  color: inherit;
  transition: all 0.18s;
  position: relative;
  overflow: hidden;
}
.post-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--green);
  opacity: 0;
  transition: opacity 0.18s;
}
.post-card:hover { background: var(--bg3); border-color: var(--border2); transform: translateX(3px); }
.post-card:hover::before { opacity: 1; }

.post-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }

.cat-badge {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 600;
}
.cat-dfir    { color:#00ffa0; background:rgba(0,255,160,0.07);   border:1px solid rgba(0,255,160,0.2); }
.cat-threat  { color:#00d4ff; background:rgba(0,212,255,0.07);   border:1px solid rgba(0,212,255,0.2); }
.cat-ctf     { color:#b794f4; background:rgba(183,148,244,0.07); border:1px solid rgba(183,148,244,0.2); }
.cat-malware { color:#f6ad55; background:rgba(246,173,85,0.07);  border:1px solid rgba(246,173,85,0.2); }
.cat-lab     { color:#68d391; background:rgba(104,211,145,0.07); border:1px solid rgba(104,211,145,0.2); }

.post-date { font-family: var(--mono); font-size: 11px; color: var(--dim); }

.post-title {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: 6px;
  transition: color 0.15s;
}
.post-card:hover .post-title { color: var(--green); }

.post-excerpt { font-size: 13px; color: var(--muted); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.post-arrow { font-size: 16px; color: var(--dim); transition: all 0.18s; flex-shrink: 0; }
.post-card:hover .post-arrow { color: var(--green); transform: translateX(4px); }

/* PAGINATION */
.pagination { margin-top: 2.5rem; }
.pagination ul { display: flex; gap: 8px; list-style: none; flex-wrap: wrap; }
.pagination ul li a,
.pagination ul li span {
  font-family: var(--mono);
  font-size: 12px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--muted);
  transition: all 0.14s;
  display: block;
}
.pagination ul li a:hover { border-color: var(--border2); color: var(--text); }
.pagination ul li span.current { border-color: var(--green); color: var(--green); background: rgba(0,255,160,0.05); }

/* SINGLE POST */
.post-page { padding: 3rem 3.5rem 5rem; max-width: 820px; }

.post-page-header { margin-bottom: 2.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); }

.post-page-title {
  font-family: var(--display);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0.75rem 0 0.5rem;
}

.post-page-meta { font-family: var(--mono); font-size: 11px; color: var(--dim); display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.post-body { font-size: 15.5px; color: var(--muted); line-height: 1.9; }
.post-body p { margin-bottom: 1.25rem; }
.post-body h2 { font-family: var(--display); font-size: 22px; font-weight: 800; color: var(--text); margin: 2.5rem 0 0.85rem; letter-spacing: -0.01em; }
.post-body h3 { font-family: var(--display); font-size: 17px; font-weight: 700; color: var(--text); margin: 2rem 0 0.75rem; }
.post-body strong { color: var(--text); font-weight: 500; }
.post-body a { color: var(--green); border-bottom: 1px solid rgba(0,255,160,0.3); transition: border-color 0.14s; }
.post-body a:hover { border-color: var(--green); }
.post-body code { font-family: var(--mono); font-size: 12.5px; background: var(--bg4); color: var(--green); padding: 2px 7px; border-radius: 4px; }
.post-body pre { background: #0d1117; border: 1px solid var(--border); border-radius: var(--r); padding: 1.1rem 1.35rem; font-family: var(--mono); font-size: 12px; color: #8a96a4; overflow-x: auto; line-height: 1.7; margin: 1.1rem 0 1.6rem; 
white-space: pre-wrap; }
.post-body ul, .post-body ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.post-body ul li, .post-body ol li { margin-bottom: 0.4rem; }
.post-body blockquote { border-left: 3px solid var(--green); padding: 0.75rem 1.25rem; margin: 1.5rem 0; background: rgba(0,255,160,0.04); border-radius: 0 var(--r) var(--r) 0; }

.post-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border); flex-wrap: wrap; }
.post-nav a { font-family: var(--mono); font-size: 12px; color: var(--muted); padding: 8px 14px; border: 1px solid var(--border); border-radius: var(--r); transition: all 0.14s; max-width: 48%; }
.post-nav a:hover { border-color: var(--border2); color: var(--green); }
.post-nav .prev::before { content: '← '; }
.post-nav .next::after  { content: ' →'; }

/* 404 */
.error-page { padding: 4rem 3.5rem; text-align: center; }
.error-code { font-family: var(--display); font-size: 80px; font-weight: 800; color: var(--green); line-height: 1; margin-bottom: 0.5rem; opacity: 0.6; }
.error-msg { font-family: var(--mono); font-size: 14px; color: var(--muted); margin-bottom: 2rem; }
.btn-back { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 12px; padding: 10px 20px; border: 1px solid var(--border2); border-radius: var(--r); color: var(--muted); transition: all 0.15s; }
.btn-back:hover { color: var(--green); border-color: var(--green); background: rgba(0,255,160,0.04); }

/* RESPONSIVE */
@media (max-width: 860px) {
  .site-wrapper { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .mobile-header { display: flex; }
  .page-header { padding: 2rem 1.5rem 1.75rem; }
  .posts-section { padding: 1.5rem 1.5rem 3rem; }
  .post-page { padding: 2rem 1.5rem 4rem; }
  .error-page { padding: 3rem 1.5rem; }
}