/* ==========================================================================
   Tomer Barak — personal site
   Dev-flavoured, not a terminal emulator. Monospace is reserved for labels,
   metadata and code; running text is set in a sans face.
   Committed to a single dark theme by choice.
   ========================================================================== */

:root {
  --bg:          #0f1419;
  --surface:     #151b23;
  --surface-2:   #1a2129;
  --text:        #c3c1ba;
  --text-bright: #e8e4d9;
  --muted:       #737d8a;
  --border:      #242c36;
  --border-soft: #1c232b;

  --accent:      #39bae6;  /* links, primary */
  --accent-warm: #ffb454;  /* highlights, active */
  --accent-lime: #7fd962;  /* labels, success */
  --accent-plum: #c586c0;  /* tags */

  --mono: 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --wrap: 860px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-warm);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

/* --- the recurring structural device: a small mono label ----------------- */
.label {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--accent-lime);
  font-weight: 500;
  margin-bottom: 0.9rem;
}

/* --------------------------------- header -------------------------------- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.9);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.brand {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-bright);
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; color: var(--accent); }
.brand .dot { color: var(--accent-lime); }

.site-nav { display: flex; gap: 1.4rem; }
.site-nav a {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.site-nav a:hover { color: var(--text-bright); text-decoration: none; }
.site-nav a.active { color: var(--accent-warm); }

/* ---------------------------------- page --------------------------------- */
main { flex: 1; padding: 3rem 0 4rem; }

.page-head { margin-bottom: 2.6rem; }
.page-head h1 {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 650;
  color: var(--text-bright);
  letter-spacing: -0.025em;
  line-height: 1.15;
  text-wrap: balance;
}
.page-head .subtitle {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 1rem;
  max-width: 62ch;
}

.section { margin-bottom: 3rem; }
.section > h2 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-bright);
  letter-spacing: -0.01em;
  margin-bottom: 0.9rem;
}
.section p { max-width: 68ch; }
.section p + p { margin-top: 0.9rem; }

/* ---------------------------------- cards -------------------------------- */
.card-list { display: grid; gap: 0.75rem; list-style: none; }

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  transition: border-color 0.15s ease, background 0.15s ease;
}
a.card:hover { border-color: var(--accent); background: var(--surface-2); text-decoration: none; }

.card-title {
  display: block;
  color: var(--text-bright);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: -0.005em;
}
a.card:hover .card-title { color: var(--accent); }
.card-desc { display: block; color: var(--muted); font-size: 0.9rem; margin-top: 0.35rem; }

.meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.03em;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 0.5rem;
}
.meta .tag { color: var(--accent-plum); }

/* --------------------------------- lists --------------------------------- */
.pub-list { list-style: none; display: grid; gap: 1.1rem; }
.pub-list li { border-left: 2px solid var(--border); padding-left: 0.95rem; }
.pub-year {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent-warm);
  letter-spacing: 0.05em;
}
.pub-title { color: var(--text-bright); font-weight: 600; font-size: 0.96rem; display: block; margin-top: 0.15rem; }
.pub-venue { display: block; color: var(--muted); font-size: 0.88rem; font-style: italic; }
.pub-links { margin-top: 0.25rem; display: flex; gap: 0.8rem; font-family: var(--mono); font-size: 0.75rem; }

.doc-list { list-style: none; display: grid; gap: 0.75rem; }

.link-list { list-style: none; display: grid; gap: 0.5rem; }
.link-list li { display: flex; gap: 0.7rem; align-items: baseline; font-size: 0.94rem; }
.link-list .k {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  min-width: 5.5rem;
}

.more-link { font-family: var(--mono); font-size: 0.78rem; margin-top: 1rem; display: inline-block; }

/* ------------------------------ prose content ---------------------------- */
.prose { max-width: 68ch; }
.prose > * + * { margin-top: 1rem; }
.prose h1, .prose h2, .prose h3, .prose h4 {
  color: var(--text-bright);
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin-top: 2rem;
}
.prose h1 { font-size: 1.6rem; font-weight: 650; }
.prose h2 { font-size: 1.25rem; font-weight: 600; padding-bottom: 0.35rem; border-bottom: 1px solid var(--border); }
.prose h3 { font-size: 1.05rem; font-weight: 600; }
.prose ul, .prose ol { padding-left: 1.3rem; }
.prose li + li { margin-top: 0.35rem; }
.prose strong { color: var(--text-bright); font-weight: 600; }
.prose blockquote {
  border-left: 2px solid var(--accent-lime);
  padding: 0.2rem 0 0.2rem 1rem;
  color: var(--muted);
}
.prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  color: var(--accent-warm);
}
.prose pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
}
.prose pre code { background: none; border: none; padding: 0; color: var(--text); font-size: 0.85rem; }
.prose img { max-width: 100%; height: auto; border-radius: 6px; }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

.table-scroll { overflow-x: auto; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.prose th, .prose td { text-align: left; padding: 0.55rem 0.9rem 0.55rem 0; border-bottom: 1px solid var(--border-soft); }
.prose th {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 500;
  border-bottom-color: var(--border);
}

/* ------------------------------- post footer ----------------------------- */
.post-footer {
  margin-top: 3rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.post-footer .k { color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.72rem; }

/* ------------------------------- pagination ------------------------------ */
.pagination {
  margin-top: 2rem; display: flex; gap: 1rem; align-items: center;
  font-family: var(--mono); font-size: 0.8rem;
}
.pagination .current-page { color: var(--muted); }

/* --------------------------------- footer -------------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.4rem 0 2.4rem;
  margin-top: auto;
}
.site-footer .wrap {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap;
}
.site-footer .copy { font-family: var(--mono); font-size: 0.72rem; color: var(--muted); letter-spacing: 0.04em; }
.footer-links { display: flex; gap: 1.1rem; }
.footer-links a { color: var(--muted); font-size: 1rem; }
.footer-links a:hover { color: var(--accent); }

/* ------------------------------- responsive ------------------------------ */
@media (max-width: 620px) {
  .wrap { padding: 0 20px; }
  main { padding: 2rem 0 3rem; }
  .site-nav { gap: 1rem; }
  .link-list li { flex-direction: column; gap: 0.1rem; }
  .link-list .k { min-width: 0; }
}