/* ==========================================================================
   フグ.com — all personalization lives in the :root blocks below.
   Change the colors / sizes / font here and everything else follows.
   ========================================================================== */

@media (prefers-color-scheme: light) {
  :root {
    --color-bg:      #f5f2eb;
    --color-bg-alt:  #ece8dd;
    --color-text:    #1d1f21;
    --color-light:   #6f6c66;
    --color-border:  #c9c4b8;
    --color-accent:  #a3383c;   /* darkened red for light bg */
    --color-code-bg: #ece8dd;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg:      #1d1f21;   /* Tomorrow bg */
    --color-bg-alt:  #282a2e;   /* Tomorrow bg-alt — post boxes */
    --color-text:    #e6e2d6;   /* warm ink */
    --color-light:   #969896;
    --color-border:  #373b41;
    --color-accent:  #cc6666;   /* Tomorrow red */
    --color-code-bg: #0f1214;
  }
}

:root {
  --font-mono:    "Commit Mono", ui-monospace, Menlo, Consolas, monospace;
  --weight-normal: 400;
  --weight-bold:   700;
  --max-width:     720px;
  --page-padding:  3vw;
}

@media (max-width: 850px) {
  :root { --page-padding: 6vw; }
}

/* ---------- Commit Mono ---------- */

@font-face {
  font-family: "Commit Mono";
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  src: url("./fonts/CommitMono-400-Regular.woff2") format("woff2");
}
@font-face {
  font-family: "Commit Mono";
  font-weight: 400;
  font-style: italic;
  font-display: swap;
  src: url("./fonts/CommitMono-400-Italic.woff2") format("woff2");
}
@font-face {
  font-family: "Commit Mono";
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  src: url("./fonts/CommitMono-700-Regular.woff2") format("woff2");
}
@font-face {
  font-family: "Commit Mono";
  font-weight: 700;
  font-style: italic;
  font-display: swap;
  src: url("./fonts/CommitMono-700-Italic.woff2") format("woff2");
}

/* ---------- Reset ---------- */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 8px; }   /* 1rem = 8px — sizing below uses this base */
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-weight: var(--weight-normal);
  font-size: 2rem;         /* 16px body */
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }

/* ---------- Typography ---------- */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  font-weight: var(--weight-normal);
  line-height: 1.4;
  margin: 2em 0 .5em;
}
h1 { font-size: 4.4rem; margin: 0 0 .5em; }
h2 { font-size: 3.4rem; }
h3 { font-size: 2.8rem; }
h4 { font-size: 2.4rem; }
h5 { font-size: 2.2rem; }
h6 { font-size: 2rem; }

@media (max-width: 500px) {
  h1 { font-size: 2.8rem; }
  h2 { font-size: 2.4rem; }
  h3 { font-size: 2rem; }
}

p, ul, ol, blockquote, pre, figure { margin: 0 0 1.5em; }

/* Invert-on-hover links — terminal-selection feel */
a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  text-decoration-skip-ink: all;
}
a:hover {
  background-color: var(--color-text);
  color: var(--color-bg);
  text-decoration-color: var(--color-text);
}

/* Highlighter bold — inverted by default */
strong, b {
  background-color: var(--color-text);
  color: var(--color-bg);
  font-weight: var(--weight-bold);
  padding: 0 2px;
}
strong a { background-color: var(--color-bg); color: var(--color-text); }

em, i { font-style: italic; }

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

/* ---------- Layout ---------- */

.site-wrapper {
  max-width: var(--max-width);
  min-height: 100vh;
  padding: var(--page-padding) var(--page-padding) 6vw;
  margin: 0;
}

/* ---------- Header ---------- */

.site-head {
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 2vw;
  margin-bottom: 6vw;
}
.site-head-logo {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 3.1rem;
  font-weight: var(--weight-bold);
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text);
  margin-bottom: 2vw;
}
.site-head-logo:hover {
  background: transparent;
  color: var(--color-accent);
}
.site-nav ul { list-style: none; }
.site-nav li {
  display: inline-block;
  margin-right: 1.5em;
  font-size: 1.8rem;
}

/* ---------- Post list (index) ---------- */

.post-entries { list-style: none; }

/* Grey box wrapper — tomorrow-theme post boxes */
.post-entry {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 10px 14px 12px;
  margin: 0 0 8px;
}

.post-entry-link {
  display: block;
  font-size: 2.4rem;
  font-weight: var(--weight-normal);
  text-decoration: none;
}
.post-entry-link:hover {
  background: transparent;
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
}
.post-entry-date {
  float: right;
  font-size: 1.6rem;
  color: var(--color-accent);
  font-weight: var(--weight-normal);
}
.post-entry-excerpt {
  color: var(--color-light);
  font-size: 1.8rem;
  margin-top: .3em;
}

/* Cover image(s) on the index — single is a 180px thumb, multiple
   lay out in a 3-column grid. Cap to 3 at render time.
   Grayscale at rest; only the hovered image regains color. */
.post-entry-cover {
  display: block;
  margin: 8px 0;
}
.post-entry-cover--single img {
  width: 180px;
  height: auto;
  display: block;
  filter: grayscale(100%);
  transition: filter .5s linear;
}
.post-entry-link:hover .post-entry-cover--single img {
  filter: grayscale(0);
  transition: filter 1s linear;
}
.post-entry-cover--grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.post-entry-cover--grid img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  filter: grayscale(100%);
  transition: filter .5s linear;
}
.post-entry-cover--grid img:hover {
  filter: grayscale(0);
  transition: filter 1s linear;
}

/* ---------- Post page ---------- */

.post-content { margin-top: 2vw; }
.post-content-title {
  font-size: 4rem;
  margin: 0 0 1em;
}

/* Blinking block cursor */
@keyframes blink-cursor { to { opacity: 0; } }
.post-content-title::after {
  content: "█";
  padding-left: 6px;
  color: var(--color-accent);
  animation: blink-cursor .9s infinite;
}

.post-content-meta {
  color: var(--color-accent);
  font-size: 1.6rem;
  margin-bottom: 3em;
}
.post-content-body { font-size: 2rem; line-height: 1.75; }

/* In-post image gallery — 3 across, full color, any number allowed */
.post-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 1.5em 0;
}
.post-gallery img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}
@media (max-width: 500px) {
  .post-entry-cover--grid,
  .post-gallery { grid-template-columns: repeat(2, 1fr); }
}

/* Blockquote */
blockquote {
  border-left: 3px solid var(--color-accent);
  margin: 1.5em 0;
  padding: .2em 1.5em;
  font-style: italic;
  color: var(--color-text);
}

.post-content-body ul { list-style: square; padding-left: 2em; }
.post-content-body ol { list-style: decimal; padding-left: 2em; }
.post-content-body li { margin: .4em 0; }

/* Inline code */
code {
  font-family: var(--font-mono);
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  padding: 1px 4px;
  font-size: .9em;
}

/* Code block */
pre {
  background: var(--color-code-bg);
  border: 2px solid var(--color-border);
  padding: 1em;
  overflow-x: auto;
  line-height: 1.5;
}
pre code {
  background: transparent;
  border: 0;
  padding: 0;
  font-size: 1.6rem;
}

hr, .divider {
  display: block;
  border: 0;
  border-top: 1px solid var(--color-border);
  height: 1px;
  margin: 3em 0;
  text-align: center;
}

/* ---------- Footer ---------- */

.site-foot {
  border-top: 2px solid var(--color-border);
  padding-top: 3vw;
  margin-top: 6vw;
  font-size: 1.6rem;
  color: var(--color-light);
}
.site-foot a { color: var(--color-light); }

.site-foot-fugu-link {
  display: inline-block;
  margin: 0 0 1.5em;
  text-decoration: none;
}
.site-foot-fugu-link:hover { background: transparent; }
.site-foot-fugu {
  display: block;
  width: 96px;
  height: auto;
  color: var(--color-light);
  opacity: .55;
  transition: opacity .4s ease, color .4s ease;
}
.site-foot-fugu-link:hover .site-foot-fugu {
  opacity: 1;
  color: var(--color-accent);
}