:root {
  --bg: #0a0b0f;
  --bg-card: #0f1117;
  --bg-terminal: #13141a;
  --border: rgba(99, 102, 241, 0.18);
  --cyan: #00d4ff;
  --purple: #8b5cf6;
  --green: #10b981;
  --yellow: #f59e0b;
  --red: #ef4444;
  --text: #e2e8f0;
  --text-muted: #4b5563;
  --font: 'JetBrains Mono', monospace;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--purple), var(--cyan));
  border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover { background: var(--cyan); }

* { scrollbar-width: thin; scrollbar-color: var(--purple) var(--bg); }

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
  overflow-x: hidden;
}

#ab-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.045;
  pointer-events: none;
}

.ab-wrap {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ── Nav ── */
.ab-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 24px;
  border-bottom: 1px solid var(--border);
}

.ab-nav__logo {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.ab-logo-brace { color: var(--purple); }
.ab-logo-name  { color: var(--cyan);   margin: 0 3px; }

.ab-nav__links { display: flex; gap: 36px; }

.ab-nav__link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}
.ab-nav__link:hover { color: var(--cyan); }
.ab-nav__link-pre { color: var(--purple); }

/* ── Language switcher ── */
.ab-lang {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 20px;
}

.ab-lang__btn {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 3px 7px;
  border-radius: 4px;
  border: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.ab-lang__btn:hover { color: var(--cyan); }

.ab-lang__btn--active {
  color: var(--cyan);
  border-color: rgba(0,212,255,.25);
  background: rgba(0,212,255,.06);
}

.ab-lang__sep {
  color: var(--text-muted);
  font-size: 0.65rem;
  opacity: 0.35;
}

/* ── Hero ── */
.ab-hero {
  padding: 72px 0 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
}

/* ── Terminal ── */
.ab-terminal {
  width: 100%;
  max-width: 660px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-terminal);
  overflow: hidden;
  animation: glow-pulse 5s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 50px rgba(99,102,241,.12), 0 0 100px rgba(0,212,255,.04); }
  50%       { box-shadow: 0 0 80px rgba(99,102,241,.22), 0 0 160px rgba(0,212,255,.09); }
}

.ab-terminal__bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--border);
}

.ab-terminal__dots { display: flex; gap: 7px; }
.ab-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.ab-dot--r { background: #ef4444; }
.ab-dot--y { background: #f59e0b; }
.ab-dot--g { background: #10b981; }

.ab-terminal__label {
  flex: 1;
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.ab-terminal__body {
  padding: 28px 24px 24px;
  min-height: 130px;
}

.ab-terminal__line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
}

.ab-prompt { color: var(--green); }
.ab-cmd    { color: var(--cyan);  }

.ab-cursor {
  display: inline-block;
  width: 2px;
  height: 1.15em;
  background: var(--cyan);
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.ab-terminal__out {
  margin-top: 14px;
  font-size: 0.88rem;
  line-height: 1.9;
  min-height: 1.9em;
  transition: opacity 0.3s;
}

/* ── Tags ── */
.ab-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.ab-tag {
  font-size: 0.75rem;
  padding: 4px 13px;
  border-radius: 5px;
  border: 1px solid;
  letter-spacing: 0.02em;
}
.ab-tag--ruby   { color: #f87171; border-color: rgba(248,113,113,.25); background: rgba(248,113,113,.06); }
.ab-tag--rails  { color: #fb923c; border-color: rgba(251,146,60,.25);  background: rgba(251,146,60,.06);  }
.ab-tag--js     { color: #fbbf24; border-color: rgba(251,191,36,.25);  background: rgba(251,191,36,.06);  }
.ab-tag--dev    { color: var(--cyan);   border-color: rgba(0,212,255,.25);  background: rgba(0,212,255,.06);  }
.ab-tag--docker { color: #60a5fa; border-color: rgba(96,165,250,.25);  background: rgba(96,165,250,.06);  }
.ab-tag--devops { color: var(--green);  border-color: rgba(16,185,129,.25); background: rgba(16,185,129,.06); }
.ab-tag--nginx  { color: var(--green);  border-color: rgba(16,185,129,.25); background: rgba(16,185,129,.06); }

/* ── Posts ── */
.ab-posts { padding: 36px 0 72px; }

.ab-posts__hd {
  margin-bottom: 32px;
}

.ab-kw     { color: var(--purple); }
.ab-sect   { color: var(--text); font-size: 1.2rem; font-weight: 700; }
.ab-cmt    { color: var(--text-muted); font-size: 0.8rem; }

.ab-posts__grid {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ── Post card ── */
.ab-post {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 26px 28px;
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}

.ab-post::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--purple), var(--cyan));
  opacity: 0;
  transition: opacity .25s;
}

.ab-post:hover {
  border-color: rgba(99,102,241,.45);
  box-shadow: 0 0 36px rgba(99,102,241,.1);
  transform: translateX(5px);
}
.ab-post:hover::before { opacity: 1; }

.ab-post__meta {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-bottom: 10px;
}

.ab-post__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.5;
  color: var(--text);
}

.ab-post__excerpt {
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.75;
  margin-bottom: 18px;
}

.ab-post__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ab-post__tags { display: flex; gap: 8px; flex-wrap: wrap; }

.ab-post__link {
  color: var(--purple);
  font-size: 0.8rem;
  white-space: nowrap;
  transition: color .2s;
}
.ab-post:hover .ab-post__link { color: var(--cyan); }

.ab-arrow {
  display: inline-block;
  transition: transform .2s;
}
.ab-post:hover .ab-arrow { transform: translateX(4px); }

/* ── Empty state ── */
.ab-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 64px 0;
  color: var(--text-muted);
}

.ab-empty__icon {
  font-size: 2rem;
  opacity: 0.3;
}

.ab-empty__text {
  font-size: 0.9rem;
}

/* ── Footer ── */
.ab-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0 32px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.ab-footer__r { color: var(--green); }

/* ── Responsive ── */
@media (max-width: 600px) {
  .ab-nav__links { gap: 20px; }
  .ab-post { padding: 20px; }
  .ab-post:hover { transform: none; }
  .ab-terminal__body { padding: 20px 18px; }
}