/* ==========================================================================
   Tino's AI — "terminal" theme
   Near-black background, neon-green accents, JetBrains Mono everywhere.
   ========================================================================== */

:root {
  --bg:        #0a0e0c;
  --bg-panel:  #0c1210;
  --bg-soft:   #111814;
  --bg-hover:  #14211b;
  --border:    #1d2c24;
  --border-bright: #294437;

  --text:      #b7c8bd;
  --text-dim:  #6c8478;
  --text-faint:#46584e;
  --text-bright:#e7f5ed;

  --green:     #00ff9c;
  --green-dim: #25b888;
  --cyan:      #59e3ff;
  --amber:     #ffce6a;
  --magenta:   #ff7bd0;
  --red:       #ff6b6b;
  --yellow:    #ffd35e;

  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --maxw: 880px;
  --radius: 10px;
  --glow: 0 0 6px rgba(0, 255, 156, 0.45);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(900px 500px at 80% -8%, rgba(0,255,156,0.06), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Subtle CRT scanlines */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.16) 3px,
    rgba(0, 0, 0, 0) 4px
  );
  mix-blend-mode: multiply;
  opacity: 0.5;
}

::selection { background: rgba(0,255,156,0.28); color: #fff; }

a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }

img { max-width: 100%; height: auto; }

/* ---------- top bar (terminal title bar) ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(10, 14, 12, 0.85);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  height: 48px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.dots { display: flex; gap: 7px; flex-shrink: 0; }
.dots span { width: 12px; height: 12px; border-radius: 50%; display: block; }
.dots .d1 { background: #ff5f57; }
.dots .d2 { background: #febc2e; }
.dots .d3 { background: #28c840; }
.topbar-title {
  color: var(--text-dim);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar-title b { color: var(--green); font-weight: 500; }
.topbar nav {
  margin-left: auto;
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}
.topbar nav a {
  color: var(--text-dim);
  font-size: 13px;
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid transparent;
}
.topbar nav a:hover {
  color: var(--green);
  background: var(--bg-hover);
  border-color: var(--border-bright);
  text-decoration: none;
}

/* ---------- layout ---------- */
.container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 18px 24px;
  flex: 1 0 auto;
}

/* ---------- prompt blocks ---------- */
.cmd {
  color: var(--text-dim);
  margin: 0 0 6px;
  font-size: 14px;
}
.cmd .prompt { color: var(--green); margin-right: 8px; }
.cmd .prompt::before { content: "tino@github"; color: var(--green-dim); }
.cmd .prompt::after  { content: ":~$"; color: var(--text-dim); margin-left: 2px; }
.cmd .arg { color: var(--text-bright); }
.cmd .flag { color: var(--amber); }

.cursor {
  display: inline-block;
  width: 9px;
  height: 1.05em;
  background: var(--green);
  vertical-align: text-bottom;
  margin-left: 4px;
  box-shadow: var(--glow);
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- hero ---------- */
.hero {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--bg-panel), var(--bg));
  padding: 26px 26px 28px;
  margin-bottom: 40px;
  box-shadow: 0 18px 50px rgba(0,0,0,0.45), inset 0 0 0 1px rgba(0,255,156,0.02);
}
.hero .output { margin: 14px 0 0; }
.hero h1 {
  font-size: clamp(1.6rem, 4.5vw, 2.4rem);
  line-height: 1.15;
  margin: 4px 0 6px;
  color: var(--text-bright);
  letter-spacing: -0.01em;
}
.hero h1 .accent { color: var(--green); text-shadow: var(--glow); }
.hero .role { color: var(--amber); margin: 0 0 14px; font-size: 0.95rem; }
.hero .bio {
  color: var(--text);
  max-width: 62ch;
  margin: 0 0 20px;
}
.hero .bio .key { color: var(--cyan); }

.links { display: flex; flex-wrap: wrap; gap: 10px; }
.links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-bright);
  background: var(--bg-soft);
  color: var(--text-bright);
  padding: 8px 14px;
  border-radius: 7px;
  font-size: 13px;
  transition: border-color .15s, color .15s, transform .12s, box-shadow .15s;
}
.links a:hover {
  color: var(--green);
  border-color: var(--green-dim);
  box-shadow: var(--glow);
  transform: translateY(-1px);
  text-decoration: none;
}
.links a svg { width: 16px; height: 16px; }
.links a.primary { border-color: var(--green-dim); color: var(--green); }

/* ---------- section heading ---------- */
.section-head { margin: 0 0 14px; }

/* ---------- file list (post index) ---------- */
.filelist { display: flex; flex-direction: column; gap: 2px; }
.filelist .total { color: var(--text-faint); font-size: 13px; margin-bottom: 8px; }
.file {
  display: grid;
  grid-template-columns: 110px 96px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid transparent;
  color: var(--text);
  transition: background .14s, border-color .14s, transform .12s;
}
.file:hover {
  background: var(--bg-hover);
  border-color: var(--border-bright);
  text-decoration: none;
  transform: translateX(3px);
}
.file .perm { color: var(--text-faint); font-size: 12.5px; }
.file .date { color: var(--green-dim); font-size: 12.5px; }
.file .name { color: var(--text-bright); font-weight: 500; }
.file:hover .name { color: var(--green); }
.file .name::before { content: "▸ "; color: var(--green); }
.file .tags { display: block; margin-top: 2px; }
.file .tag { color: var(--cyan); font-size: 12px; margin-right: 10px; }
.file .tag::before { content: "#"; color: var(--text-faint); }

/* ---------- article ---------- */
.post-head { margin-bottom: 26px; }
.post-head h1 {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.18;
  color: var(--text-bright);
  margin: 6px 0 8px;
}
.post-head h1::before { content: "# "; color: var(--green); }
.post-meta { color: var(--text-dim); font-size: 13px; }
.post-meta .tag { color: var(--cyan); margin-left: 6px; }
.post-meta .tag::before { content: "#"; color: var(--text-faint); }

.divider {
  border: none;
  border-top: 1px dashed var(--border-bright);
  margin: 22px 0 28px;
}

.back {
  display: inline-block;
  margin-top: 40px;
  color: var(--text-dim);
  font-size: 13px;
}
.back:hover { color: var(--green); text-decoration: none; }

/* ---------- article body (rendered post content) ---------- */
.article { color: var(--text); font-size: 15px; }
.article > *:first-child { margin-top: 0; }

.article h1, .article h2, .article h3, .article h4 {
  color: var(--text-bright);
  line-height: 1.25;
  margin: 2.1em 0 0.7em;
  scroll-margin-top: 64px;
}
.article h1 { font-size: 1.55rem; }
.article h2 { font-size: 1.3rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }
.article h2::before, .article h3::before { color: var(--green); }
.article h2::before { content: "## "; }
.article h3 { font-size: 1.12rem; }
.article h3::before { content: "### "; }
.article h4 { font-size: 1rem; color: var(--amber); }

.article p { margin: 0 0 1.15em; }
.article a { word-break: break-word; }
.article strong, .article b { color: var(--text-bright); font-weight: 600; }
.article em { color: var(--amber); font-style: italic; }

.article ul, .article ol { margin: 0 0 1.15em; padding-left: 1.6em; }
.article li { margin: 0.3em 0; }
.article ul li::marker { color: var(--green); }
.article ol li::marker { color: var(--green-dim); }

.article blockquote {
  margin: 1.4em 0;
  padding: 0.5em 1.1em;
  border-left: 3px solid var(--green-dim);
  background: var(--bg-soft);
  color: var(--text-dim);
  border-radius: 0 8px 8px 0;
}

.article img {
  display: block;
  margin: 1.6em auto;
  border: 1px solid var(--border-bright);
  border-radius: 8px;
  background: #fff;
  padding: 6px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* code */
.article code, .article kbd, .article tt {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.1em 0.4em;
  color: var(--amber);
}
.article pre {
  background: #070b09;
  border: 1px solid var(--border);
  border-left: 3px solid var(--green-dim);
  border-radius: 8px;
  padding: 16px 18px;
  overflow-x: auto;
  margin: 1.4em 0;
  line-height: 1.55;
}
.article pre code, .article pre tt {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 0.88rem;
}

/* tables */
.article table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.4em 0;
  font-size: 0.92em;
  overflow-x: auto;
  display: block;
}
.article th, .article td {
  border: 1px solid var(--border);
  padding: 7px 11px;
  text-align: left;
}
.article th { background: var(--bg-soft); color: var(--green); font-weight: 600; }
.article tr:nth-child(even) td { background: rgba(255,255,255,0.015); }

/* pandoc remnants: hide their TOC/header dupes, keep figures readable */
.article #TOC {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  border-radius: 8px;
  padding: 12px 18px 12px 34px;
  margin: 0 0 28px;
  font-size: 0.9em;
}
.article #TOC::before {
  content: "// contents";
  display: block;
  margin: 0 0 6px -16px;
  color: var(--text-faint);
}
.article #TOC ul { margin: 0; }
.article div.sourceCode, .article pre.sourceCode { overflow-x: auto; }
.article .display.math, .article .math.display { overflow-x: auto; overflow-y: hidden; }
.article center { display: block; overflow-x: auto; }

/* MathJax dark legibility */
mjx-container { color: var(--text-bright); }
mjx-container[display="true"] { margin: 1.1em 0 !important; }

/* ---------- footer ---------- */
.site-footer {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  border-top: 1px solid var(--border);
  background: var(--bg-panel);
  margin-top: 40px;
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 18px;
  font-size: 13px;
  color: var(--text-dim);
}
.footer-inner .row { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.footer-inner a { color: var(--text-dim); }
.footer-inner a:hover { color: var(--green); text-decoration: none; }
.footer-inner .sep { color: var(--text-faint); }
.footer-copy { margin-top: 10px; color: var(--text-faint); }
.footer-copy .green { color: var(--green-dim); }

/* ---------- responsive ---------- */
@media (max-width: 620px) {
  body { font-size: 14px; }
  .file { grid-template-columns: 1fr; gap: 2px; }
  .file .perm { display: none; }
  .topbar-title { font-size: 12px; }
  .hero { padding: 20px 18px 22px; }
}