/* ---------------------------------------------------------------
   MUJICA.DEV — Writing
   Same tokens as the home page; vertical reading layout.
   --------------------------------------------------------------- */

:root {
  --bg:        #0a0a0a;
  --fg:        #e6e6e6;
  --fg-soft:   #9a9a9a;
  --dim:       #4e4e4e;
  --line:      #1c1c1c;
  --line-hi:   #262626;
  --accent:    #c8102e;

  --sans:  "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --serif: "Instrument Serif", "Times New Roman", serif;

  --track:  0.14em;

  --pad-x: clamp(1rem, 3vw, 2.5rem);
  --pad-y: clamp(1rem, 2.5vw, 1.75rem);

  --measure: 68ch;
}

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

html { background: var(--bg); }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;

  min-height: 100vh;
  padding: var(--pad-y) var(--pad-x);
  display: grid;
  grid-template-rows: auto 1fr auto;
  row-gap: clamp(2.5rem, 6vw, 4rem);

  position: relative;
  overflow-x: hidden;
}

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

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

/* --- grain (shared with home) --- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><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 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* --- masthead / colophon --- */
.masthead,
.colophon {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 1.5rem;

  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--fg-soft);
}

.masthead {
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.colophon {
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  color: var(--dim);
}

.masthead .mark { color: var(--fg); }
.masthead a { color: var(--fg-soft); transition: color 160ms ease; }
.masthead a:hover,
.masthead a:focus-visible { color: var(--accent); outline: none; }

.masthead .status { margin-left: auto; color: var(--fg); }
.colophon .cursor { margin-left: auto; }

.cursor {
  color: var(--accent);
  animation: blink 1.05s steps(2, end) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .cursor { animation: none; }
}

/* --- reading column --- */
main {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--measure);
  margin: 0 auto;
}

/* --------------------------------------------------------------
   POST LIST (blog index)
   -------------------------------------------------------------- */
.index-head {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.index-head h1 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(2.25rem, 6vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--fg);
}
.index-head h1 .dot { color: var(--accent); }

.index-head p {
  margin-top: 1.1rem;
  max-width: 54ch;
  color: var(--fg-soft);
}

.posts { list-style: none; }

.posts li { border-top: 1px solid var(--line); }
.posts li:last-child { border-bottom: 1px solid var(--line); }

.posts a {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  padding: 1.15rem 0;
  align-items: baseline;
  transition: color 160ms ease;
}
.posts a:hover,
.posts a:focus-visible { color: var(--accent); outline: none; }

.posts time {
  color: var(--dim);
  font-size: 0.78rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
}

.posts .ptitle {
  font-family: var(--sans);
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.posts a:hover .ptitle,
.posts a:focus-visible .ptitle { color: var(--accent); }

.posts .pdek {
  display: block;
  margin-top: 0.2rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--fg-soft);
}

/* --------------------------------------------------------------
   ARTICLE
   -------------------------------------------------------------- */
.post-head { margin-bottom: clamp(2rem, 5vw, 3rem); }

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--dim);
}

.post-head h1 {
  margin-top: 0.9rem;
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(2.1rem, 5.5vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--fg);
}
.post-head h1 .dot { color: var(--accent); }

.post-head .dek {
  margin-top: 1.1rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  line-height: 1.4;
  color: var(--fg-soft);
  max-width: 48ch;
}

.post-meta {
  margin-top: 1.5rem;
  font-size: 0.72rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--dim);
}

article { font-size: 1rem; }

article h2 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(1.35rem, 3vw, 1.7rem);
  letter-spacing: -0.02em;
  color: var(--fg);
  margin: clamp(2.25rem, 5vw, 3rem) 0 0.9rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

article p {
  color: var(--fg-soft);
  margin-bottom: 1.15rem;
}

article p strong { color: var(--fg); font-weight: 500; }

article em {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15em;
  color: var(--fg);
}

article a {
  color: var(--fg);
  border-bottom: 1px solid var(--line-hi);
  transition: color 160ms ease, border-color 160ms ease;
}
article a:hover,
article a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
  outline: none;
}

article ul { list-style: none; margin: 0 0 1.15rem; }
article li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.55rem;
  color: var(--fg-soft);
}
article li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}
article li strong { color: var(--fg); font-weight: 500; }

/* figures / code / diagram */
.diagram {
  overflow-x: auto;
  margin: 1.5rem 0 1.75rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #060606;
}
.diagram pre {
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--fg-soft);
  white-space: pre;
}
.diagram .accent { color: var(--accent); }

.figcap {
  display: block;
  margin-top: -1rem;
  margin-bottom: 1.75rem;
  font-size: 0.75rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--dim);
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  color: var(--fg);
  background: #161616;
  border: 1px solid var(--line-hi);
  border-radius: 3px;
  padding: 0.1em 0.4em;
}

blockquote {
  margin: 1.5rem 0;
  padding-left: 1.1rem;
  border-left: 2px solid var(--accent);
  color: var(--fg);
}
blockquote p { color: var(--fg); }

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: clamp(2.5rem, 6vw, 3.5rem) 0;
}

/* ledger-style table for the bill */
.ledger-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: 1.25rem 0 1.75rem;
}
.ledger-table th,
.ledger-table td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--line);
}
.ledger-table th {
  color: var(--dim);
  font-weight: 500;
  letter-spacing: var(--track);
  text-transform: uppercase;
  font-size: 0.7rem;
}
.ledger-table td { color: var(--fg-soft); }
.ledger-table td:first-child { color: var(--fg); }
.ledger-table td:last-child,
.ledger-table th:last-child { text-align: right; }
.ledger-table .total td {
  border-bottom: none;
  border-top: 1px solid var(--line-hi);
  color: var(--fg);
  font-weight: 500;
}

/* back link */
.back {
  display: inline-block;
  margin-bottom: 2rem;
  font-size: 0.72rem;
  letter-spacing: var(--track);
  text-transform: uppercase;
  color: var(--fg-soft);
  transition: color 160ms ease;
}
.back:hover,
.back:focus-visible { color: var(--accent); outline: none; }

.post-foot {
  margin-top: clamp(2.5rem, 6vw, 3.5rem);
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--fg-soft);
}
.post-foot a { color: var(--fg); border-bottom: 1px solid var(--line-hi); }
.post-foot a:hover { color: var(--accent); border-bottom-color: var(--accent); }

@media (max-width: 560px) {
  .posts a { grid-template-columns: 1fr; gap: 0.2rem; }
  .posts time { order: 2; }
}