/* Blog page — a centered ~1/3-width reading column with a floating post
   index on the left. On mobile the index collapses into a sticky jump-to bar.
   Reuses the palette + font from style.css / window.css. */

html { scroll-behavior: smooth; }
body.no-motion, body.no-motion * { scroll-behavior: auto; }
/* this page scrolls (style.css locks the desktop body); dots stay fixed behind */
html, body { overflow-x: hidden; overflow-y: auto; height: auto; min-height: 100%; }

/* --- centered reading column (~1/3 of the viewport on wide screens) ------- */
.blog {
  position: relative;
  z-index: 1;
  width: clamp(320px, 34vw, 620px);
  margin: 0 auto;
  padding: 40px 0 96px;
}

.blog__masthead {
  padding: 16px 22px;
  margin-bottom: 20px;
  background: var(--panel);
  border: 2px solid;
  border-color: var(--panel-hi) var(--panel-lo) var(--panel-lo) var(--panel-hi);
  box-shadow: 4px 6px 0 rgba(0, 0, 0, 0.25);
}
.blog__brand { margin: 0; font-size: 26px; font-weight: 700; color: var(--gold); }
.blog__tagline { margin: 8px 0 0; font-size: 13px; color: var(--text); }

/* --- posts --------------------------------------------------------------- */
.post {
  scroll-margin-top: 20px;
  margin-bottom: 20px;
  padding: 22px 24px;
  background: var(--panel);
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  border: 2px solid;
  border-color: var(--panel-hi) var(--panel-lo) var(--panel-lo) var(--panel-hi);
  box-shadow: 4px 6px 0 rgba(0, 0, 0, 0.25);
}
.post__title { margin: 0; font-size: 22px; font-weight: 700; color: var(--gold); }
.post__date {
  margin: 4px 0 16px;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--edge-hi);
}
.post__body p { margin: 0 0 14px; }
.post__body p:last-child { margin-bottom: 0; }
.post__body a { color: var(--gold); }
.post__body code {
  padding: 1px 4px;
  background: var(--panel-lo);
  color: var(--text);
}

/* --- floating index (desktop) -------------------------------------------- */
.blog-index {
  position: fixed;
  top: 40px;
  left: 24px;
  z-index: 2;
  width: max-content;
  max-width: 22vw;
  padding: 4px;
  background: var(--panel);
  color: var(--text);
  font-size: 13px;
  border: 2px solid;
  border-color: var(--panel-hi) var(--panel-lo) var(--panel-lo) var(--panel-hi);
  box-shadow: 4px 6px 0 rgba(0, 0, 0, 0.25);
}
.blog-index__title {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px 9px;
  font-weight: 700;
  color: var(--gold);
}
.blog-index__list { list-style: none; margin: 0; padding: 0; }
.blog-index__list a {
  display: block;
  padding: 6px 10px;
  color: var(--text);
  text-decoration: none;
  border-left: 3px solid transparent;
}
.blog-index__list a:hover { color: var(--gold); }
.blog-index__list a.is-active {
  color: var(--gold);
  border-left-color: var(--gold);
  background: var(--panel-lo);
}
.blog-index__home {
  display: block;
  margin-top: 6px;
  padding: 7px 10px;
  color: var(--text);
  text-decoration: none;
  border-top: 2px solid var(--panel-lo);
}
.blog-index__home:hover { color: var(--gold); }

/* jump bar is desktop-hidden; shown only in the mobile media query */
.blog-jumpbar { display: none; }

/* --- mobile: drop the floating index for a sticky jump-to bar ------------- */
@media (max-width: 980px), (hover: none) and (pointer: coarse) {
  .blog-index { display: none; }

  .blog-jumpbar {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    align-items: stretch;
    gap: 6px;
    padding: 8px;
    background: var(--panel);
    border-bottom: 2px solid var(--panel-lo);
    box-shadow: 0 3px 0 rgba(0, 0, 0, 0.25);
  }
  .blog-jumpbar__home {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    color: var(--text);
    text-decoration: none;
    background: var(--panel);
    border: 2px solid;
    border-color: var(--panel-hi) var(--panel-lo) var(--panel-lo) var(--panel-hi);
  }
  .blog-jumpbar__home:active { border-color: var(--panel-lo) var(--panel-hi) var(--panel-hi) var(--panel-lo); }
  .blog-jumpbar__select {
    flex: 1;
    min-width: 0;
    padding: 8px 10px;
    font-family: 'JetBrainsMono', monospace;
    font-size: 14px;
    color: var(--text);
    background: var(--panel);
    border: 2px solid;
    border-color: var(--panel-lo) var(--panel-hi) var(--panel-hi) var(--panel-lo);
  }

  .blog { width: auto; margin: 0; padding: 14px 12px 60px; }
  .blog__masthead, .post { box-shadow: 3px 4px 0 rgba(0, 0, 0, 0.25); }
}