/* ======================================================
   JIN.PROC — brutalist terminal design system
   Adapted from the JIN.PROC handoff bundle for Jekyll.
   ====================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap');

:root {
  --bg: #0a0a0a;
  --bg-1: #111111;
  --bg-2: #1a1a1a;
  --fg: #f0f0f0;
  --fg-dim: #a8a8a8;
  --dim: #707070;
  --dim-2: #4a4a4a;
  --line: #2a2a2a;
  --line-2: #1a1a1a;
  --accent: #f0f0f0;
  --selection: #f0f0f0;
  --selection-fg: #0a0a0a;

  --fs-9: 9px;
  --fs-11: 11px;
  --fs-13: 13px;
  --fs-15: 15px;
  --fs-18: 18px;
  --fs-24: 24px;
  --fs-32: 32px;
  --fs-48: 48px;
  --fs-72: 72px;
  --fs-96: 96px;
  --fs-160: 160px;

  --mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

[data-theme="light"] {
  --bg: #f0ede4;
  --bg-1: #e8e4d8;
  --bg-2: #ddd8c8;
  --fg: #0a0a0a;
  --fg-dim: #2a2a2a;
  --dim: #5a5a5a;
  --dim-2: #888880;
  --line: #1a1a1a;
  --line-2: #4a4a4a;
  --accent: #0a0a0a;
  --selection: #0a0a0a;
  --selection-fg: #f0ede4;
}

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

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: var(--fs-13);
  line-height: 1.5;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  cursor: none;
  transition: background-color 0.4s ease, color 0.4s ease;
}
@media (pointer: coarse) {
  body { cursor: auto; }
}

::selection { background: var(--selection); color: var(--selection-fg); }

a { color: inherit; text-decoration: none; }
a, button, input, textarea, [role="button"] { cursor: none; }
@media (pointer: coarse) {
  a, button, input, textarea, [role="button"] { cursor: auto; }
}

button {
  font: inherit; color: inherit;
  background: transparent; border: 0;
  padding: 0;
}

input, textarea {
  font: inherit; color: inherit;
  background: transparent; border: 0; outline: 0;
  caret-color: var(--fg);
}
input::placeholder { color: var(--dim-2); }

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

/* ===== Noise + Scanlines overlay ===== */
.noise-overlay {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9000;
  mix-blend-mode: overlay; opacity: 0.30;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.5'/></svg>");
}

.scanlines {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9001;
  background: repeating-linear-gradient(
    0deg,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,0.06) 2px,
    rgba(0,0,0,0.06) 3px
  );
  mix-blend-mode: multiply;
}

[data-theme="light"] .scanlines { mix-blend-mode: multiply; opacity: 0.4; }
[data-theme="light"] .noise-overlay { mix-blend-mode: multiply; opacity: 0.18; }

/* ===== Custom cursor ===== */
.cursor-dot {
  position: fixed;
  width: 8px; height: 8px;
  background: var(--fg);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  left: -100px; top: -100px;
}
.cursor-ring {
  position: fixed;
  width: 28px; height: 28px;
  border: 1px solid var(--fg);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  transition: width 0.15s ease, height 0.15s ease, opacity 0.15s ease;
  left: -100px; top: -100px;
}
.cursor-ring.hover {
  width: 56px; height: 56px;
}
.cursor-label {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transform: translate(14px, 14px);
  font-size: var(--fs-11);
  font-weight: 500;
  color: var(--bg);
  background: var(--fg);
  padding: 2px 6px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.12s ease;
}
.cursor-label.visible { opacity: 1; }
@media (pointer: coarse) {
  .cursor-dot, .cursor-ring, .cursor-label { display: none; }
}

/* ===== Shell ===== */
.shell {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

main { padding: 0; }

.frame { padding: 32px 18px; max-width: 1400px; margin: 0 auto; }

/* ASCII divider */
.ascii-rule {
  font-family: var(--mono);
  color: var(--line-2);
  white-space: nowrap;
  overflow: hidden;
  user-select: none;
  font-size: var(--fs-11);
  line-height: 1;
  margin: 24px 0;
}

/* ===== Topbar ===== */
.topbar {
  position: sticky; top: 0; z-index: 100;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: stretch;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.topbar > * {
  padding: 12px 18px;
  font-size: var(--fs-11);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex; align-items: center;
  gap: 12px;
}

.topbar .brand {
  border-right: 1px solid var(--line);
  font-weight: 700; gap: 10px;
}
.topbar .brand .glyph {
  width: 14px; height: 14px;
  background: var(--fg); display: inline-block;
}

.topbar .meta { justify-content: space-between; color: var(--dim); gap: 24px; flex-wrap: wrap; }
.topbar .meta a {
  color: var(--dim);
  border-bottom: 1px solid transparent;
  padding: 2px 0;
  transition: color .12s ease, border-color .12s ease;
}
.topbar .meta a:hover, .topbar .meta a.active {
  color: var(--fg);
  border-bottom-color: var(--fg);
}
.topbar .meta .pair { display: flex; gap: 8px; align-items: center; }
.topbar .meta .pair .k { color: var(--dim-2); }
.topbar .meta .pair .v { color: var(--fg); }

.topbar .actions {
  border-left: 1px solid var(--line);
  gap: 0; padding: 0;
}
.topbar .actions button {
  padding: 12px 16px;
  border-left: 1px solid var(--line);
  font-size: var(--fs-11);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dim);
  transition: background 0.12s ease, color 0.12s ease;
  display: flex; align-items: center; gap: 6px;
}
.topbar .actions button:first-child { border-left: 0; }
.topbar .actions button:hover, .topbar .actions button.active {
  background: var(--fg); color: var(--bg);
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 16px 18px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  font-size: var(--fs-11);
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  align-items: center;
  background: var(--bg);
}
.site-footer .center { color: var(--fg); justify-self: center; }
.site-footer .right { justify-self: end; display: flex; gap: 18px; }
.site-footer .right a { color: var(--dim); }
.site-footer .right a:hover { color: var(--fg); }

/* ===== Buttons / chips ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--fg);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--fs-11);
  font-weight: 500;
  background: transparent; color: var(--fg);
  transition: background 0.12s ease, color 0.12s ease;
}
.btn:hover { background: var(--fg); color: var(--bg); }

.btn-ghost { border-color: var(--line); color: var(--dim); }
.btn-ghost:hover { background: var(--fg); color: var(--bg); border-color: var(--fg); }

.chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  font-size: var(--fs-11);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-dim);
  background: var(--bg-1);
  white-space: nowrap;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.chip:hover, .chip.active {
  background: var(--fg); color: var(--bg); border-color: var(--fg);
}

/* ===== Marquee ===== */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
  overflow: hidden;
  font-size: var(--fs-13);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--fg);
  background: var(--bg);
  white-space: nowrap;
  display: flex;
}
.marquee-track {
  display: inline-flex;
  gap: 48px;
  animation: marquee 36s linear infinite;
  padding-right: 48px;
}
.marquee .star { color: var(--dim); }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Glitch text — decode-on-load via JS [data-glitch] ===== */
[data-glitch] {
  display: inline-block;
  font-variant-ligatures: none;
}

.caret::after {
  content: '_';
  display: inline-block;
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
  color: var(--fg);
}
@keyframes blink { 50% { opacity: 0; } }

/* ===== Hero (terminal-only, no big title) ===== */
.hero {
  padding: 56px 18px 32px;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
.hero .lead {
  color: var(--dim);
  font-size: var(--fs-11);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}
.hero .meta {
  margin-top: 0;
  display: flex; flex-wrap: wrap; gap: 18px;
  color: var(--dim);
  font-size: var(--fs-11);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero .meta .v { color: var(--fg); }

/* ===== Hero terminal ===== */
.term {
  border: 1px solid var(--fg);
  background: rgba(10,10,10,0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 6px 6px 0 0 var(--line);
  width: 100%;
  max-width: 760px;
  font-size: var(--fs-13);
}
[data-theme="light"] .term { background: rgba(240,237,228,0.65); }
.term-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--dim);
  font-size: var(--fs-11);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.term-bar .dots { display: inline-flex; gap: 4px; }
.term-bar .dots span { width: 8px; height: 8px; background: var(--dim); display: inline-block; }
.term-bar .dots span:last-child { background: var(--fg); }
.term-bar .title { margin-left: 8px; }
.term-bar .clock { margin-left: auto; color: var(--dim-2); }
.term-body {
  padding: 14px 16px;
  height: 320px;
  overflow-y: auto;
  white-space: pre-wrap;
  line-height: 1.55;
  font-variant-numeric: tabular-nums;
}
.term-body .line { color: var(--fg-dim); }
.term-body .line.cmd { color: var(--fg); }
.term-body .line.empty { opacity: 0.5; }
.term-prompt {
  display: flex; gap: 8px; align-items: baseline;
  margin-top: 4px;
}
.term-prompt .sigil { color: var(--fg); }
.term-prompt input {
  flex: 1;
  font: inherit;
  color: var(--fg);
  background: transparent;
  border: 0;
  outline: 0;
  padding: 0;
}

/* ===== Page mast ===== */
.page-mast {
  padding: 56px 18px 32px;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: end;
}
.page-mast .lead { color: var(--dim); font-size: var(--fs-13); }
.page-mast h1 {
  font-size: clamp(48px, 9vw, 160px);
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

/* ===== Post list ===== */
.post-list { display: grid; gap: 0; }
.post-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 24px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
  transition: padding-left 0.18s ease;
}
.post-row:last-child { border-bottom: 1px solid var(--line); }
.post-row:hover { padding-left: 8px; }
.post-row .num {
  color: var(--dim-2);
  font-size: var(--fs-11);
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
}
.post-row .title {
  font-size: var(--fs-18);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.post-row .title:hover { text-decoration: underline; }
.post-row .meta {
  color: var(--dim);
  font-size: var(--fs-11);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.post-row .excerpt {
  color: var(--dim);
  font-size: var(--fs-13);
  margin-top: 6px;
  line-height: 1.6;
}
.post-row .tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 8px;
}

/* ===== Category sections ===== */
.category-block { margin: 48px 0; padding: 0 18px; }
.category-block .head {
  display: flex; align-items: baseline; gap: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--fg);
}
.category-block .head h2 {
  font-size: var(--fs-24);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.category-block .head .count {
  color: var(--dim);
  font-size: var(--fs-11);
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
}

/* ===== Post (single) ===== */
.post-mast {
  padding: 48px 18px 24px;
  border-bottom: 1px solid var(--line);
}
.post-mast .crumbs {
  color: var(--dim);
  font-size: var(--fs-11);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  display: flex; gap: 10px; flex-wrap: wrap;
}
.post-mast .crumbs a:hover { color: var(--fg); }
.post-mast h1 {
  font-size: clamp(28px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.post-mast .meta-row {
  margin-top: 18px;
  display: flex; gap: 24px; flex-wrap: wrap;
  color: var(--dim);
  font-size: var(--fs-11);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.post-mast .meta-row .v { color: var(--fg); }

.post-body {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 18px 64px;
  font-size: var(--fs-15);
  line-height: 1.7;
  color: var(--fg);
}

.post-body p { margin: 1em 0; }
.post-body h1, .post-body h2, .post-body h3, .post-body h4 {
  text-transform: uppercase;
  letter-spacing: -0.01em;
  font-weight: 700;
  margin: 2em 0 0.6em;
  color: var(--fg);
}
.post-body h1 { font-size: var(--fs-32); border-bottom: 1px solid var(--fg); padding-bottom: 8px; }
.post-body h2 { font-size: var(--fs-24); border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.post-body h3 { font-size: var(--fs-18); }
.post-body h4 { font-size: var(--fs-15); color: var(--fg-dim); }

.post-body a {
  color: var(--fg);
  border-bottom: 1px solid var(--line);
  transition: border-color .12s ease;
}
.post-body a:hover { border-bottom-color: var(--fg); }

.post-body strong { color: var(--fg); font-weight: 700; }
.post-body em { color: var(--fg-dim); font-style: italic; }

.post-body ul, .post-body ol { margin: 1em 0 1em 1.5em; }
.post-body li { margin: 0.4em 0; }

.post-body blockquote {
  margin: 1.4em 0;
  padding: 12px 18px;
  border-left: 3px solid var(--fg);
  background: var(--bg-1);
  color: var(--fg-dim);
}
.post-body blockquote p { margin: 0.4em 0; }

.post-body code {
  font-family: var(--mono);
  font-size: 0.92em;
  padding: 2px 6px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  color: var(--fg);
}
.post-body pre {
  margin: 1.4em 0;
  padding: 16px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  overflow-x: auto;
  font-size: var(--fs-13);
  line-height: 1.55;
}
.post-body pre code {
  background: transparent;
  border: 0;
  padding: 0;
}

.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4em 0;
  font-size: var(--fs-13);
}
.post-body table th,
.post-body table td {
  border: 1px solid var(--line);
  padding: 8px 12px;
  text-align: left;
}
.post-body table th {
  background: var(--bg-1);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: var(--fs-11);
  color: var(--fg-dim);
}
.post-body table tbody tr:hover { background: var(--bg-1); }

.post-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2em 0;
}

/* ===== Command palette ===== */
.cmd-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(2px);
  display: none;
  align-items: flex-start; justify-content: center;
  padding-top: 12vh;
}
.cmd-overlay.open { display: flex; }
.cmd-box {
  width: min(680px, 92vw);
  background: var(--bg);
  border: 1px solid var(--fg);
  box-shadow: 8px 8px 0 0 var(--line);
}
.cmd-input-row {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--dim);
}
.cmd-input-row .prompt {
  font-size: var(--fs-11);
  color: var(--dim-2);
  letter-spacing: 0.06em;
}
.cmd-input-row input { flex: 1; font-size: var(--fs-15); }
.cmd-results { max-height: 52vh; overflow-y: auto; }
.cmd-row {
  display: grid;
  grid-template-columns: 1.2fr 1.6fr auto;
  padding: 10px 14px;
  gap: 16px;
  border-bottom: 1px solid var(--line-2);
  border-left: 2px solid transparent;
  cursor: pointer;
}
.cmd-row.active {
  background: var(--bg-2);
  border-left-color: var(--fg);
}
.cmd-row .cmd { color: var(--fg-dim); }
.cmd-row.active .cmd { color: var(--fg); }
.cmd-row .desc { color: var(--dim); }
.cmd-row .key {
  color: var(--dim-2);
  font-size: var(--fs-11);
  letter-spacing: 0.06em;
}
.cmd-foot {
  padding: 8px 14px;
  border-top: 1px solid var(--line);
  display: flex; gap: 18px;
  color: var(--dim-2);
  font-size: var(--fs-11);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.cmd-foot .results { margin-left: auto; }

/* ===== Utility ===== */
.row { display: flex; align-items: center; gap: 12px; }
.col { display: flex; flex-direction: column; }
.between { display: flex; align-items: center; justify-content: space-between; }
.dim { color: var(--dim); }
.dim-2 { color: var(--dim-2); }
.uppercase { text-transform: uppercase; letter-spacing: 0.08em; }
.tabular { font-variant-numeric: tabular-nums; }

/* responsive */
@media (max-width: 960px) {
  .page-mast { grid-template-columns: 1fr; }
  .topbar { grid-template-columns: 1fr auto; }
  .topbar .meta { display: none; }
  .post-row { grid-template-columns: 1fr; gap: 6px; }
  .post-row .num { font-size: var(--fs-9); }
  .site-footer { grid-template-columns: 1fr; gap: 8px; text-align: center; }
  .site-footer .right { justify-self: center; }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track,
  .glitch::before, .glitch::after,
  .caret::after { animation: none !important; }
  * { transition: none !important; }
}

/* hide minimal-mistakes leftovers if any leak through */
.greedy-nav, .masthead, .page__footer, .sidebar, .author__avatar,
.page__hero, .page__hero--overlay, .breadcrumbs { display: none !important; }