/* OpenLabs — privacy, self-hosted, open source. */

:root {
  --bg:        #0a1a33;
  --bg-raise:  #102842;
  --bg-code:   #071427;
  --ink:       #dce6f5;
  --ink-dim:   #94aacb;
  --ink-faint: #6a83a6;
  --rule:      #1e3a63;
  --accent:    #4ea8ff;
  --accent-dim:#2b6ca8;
  --warn:      #ffb454;
  --maxw:      46rem;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
        "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- watermark logo, bottom right ---------------------------------- */
.watermark {
  position: fixed;
  right: -6vmin;
  bottom: -8vmin;
  width: min(62vmin, 620px);
  color: var(--accent);
  opacity: 0.055;
  pointer-events: none;
  z-index: 0;
}
.watermark svg { width: 100%; height: auto; display: block; }
@media (prefers-reduced-motion: no-preference) {
  .watermark { transition: opacity .6s ease; }
}

/* ---- layout --------------------------------------------------------- */
.wrap {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem 6rem;
}

header.site {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 2.5rem 0 1.25rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
header.site .mark { width: 34px; color: var(--accent); flex: none; }
header.site .mark svg { width: 100%; height: auto; display: block; }
header.site a.wordmark {
  font-weight: 700;
  letter-spacing: .02em;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
}
header.site nav {
  margin-left: auto;
  display: flex;
  gap: 1.25rem;
  font-size: .92rem;
}
header.site nav a { color: var(--ink-dim); text-decoration: none; }
header.site nav a:hover,
header.site nav a[aria-current="page"] { color: var(--accent); }

/* ---- type ----------------------------------------------------------- */
h1, h2, h3 { line-height: 1.25; letter-spacing: -.01em; }
h1 { font-size: 2rem; margin: 0 0 .6rem; }
h2 { font-size: 1.3rem; margin: 2.75rem 0 .75rem; }
h3 { font-size: 1.05rem; margin: 2rem 0 .5rem; color: var(--ink); }
p, ul, ol { margin: 0 0 1.15rem; }
ul, ol { padding-left: 1.35rem; }
li { margin-bottom: .4rem; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: #7cc2ff; }
strong { color: #fff; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 3rem 0; }

.lede { font-size: 1.1rem; color: var(--ink-dim); }
.meta { font-size: .85rem; color: var(--ink-faint); margin: 0 0 2rem;
        font-variant-numeric: tabular-nums; }
.tag {
  display: inline-block; font-size: .72rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--accent-dim);
  border: 1px solid var(--rule); border-radius: 3px; padding: .1rem .45rem;
  margin-right: .4rem;
}

/* motto strip */
.motto {
  display: flex; flex-wrap: wrap; gap: .5rem 1.5rem;
  font-size: .82rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-faint); margin: 0 0 2.5rem;
}
.motto span::before { content: "▚ "; color: var(--accent-dim); }

/* ---- post list ------------------------------------------------------ */
.posts { list-style: none; padding: 0; margin: 0; }
.posts li { margin: 0; border-bottom: 1px solid var(--rule); }
.posts a.entry {
  display: block; padding: 1.35rem 0; text-decoration: none; color: inherit;
}
.posts a.entry:hover { background: linear-gradient(90deg, var(--bg-raise), transparent); }
.posts h2 { margin: 0 0 .35rem; font-size: 1.15rem; color: var(--ink); }
.posts a.entry:hover h2 { color: var(--accent); }
.posts p { margin: 0; color: var(--ink-dim); font-size: .95rem; }
.posts .date { font-size: .8rem; color: var(--ink-faint); font-variant-numeric: tabular-nums; }

/* ---- code ----------------------------------------------------------- */
code, pre, kbd {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
               "Liberation Mono", monospace;
}
code { font-size: .88em; background: var(--bg-raise); padding: .12em .35em;
       border-radius: 3px; color: #a8d5ff; }
pre {
  background: var(--bg-code); border: 1px solid var(--rule); border-radius: 6px;
  padding: 1rem 1.1rem; overflow-x: auto; font-size: .85rem; line-height: 1.6;
  margin: 0 0 1.3rem;
}
pre code { background: none; padding: 0; color: #cfe4ff; }

blockquote {
  margin: 0 0 1.3rem; padding: .1rem 0 .1rem 1.1rem;
  border-left: 3px solid var(--accent-dim); color: var(--ink-dim);
}

.note {
  border: 1px solid var(--rule); border-left: 3px solid var(--warn);
  background: var(--bg-raise); border-radius: 0 6px 6px 0;
  padding: 1rem 1.1rem; margin: 0 0 1.4rem; font-size: .93rem;
  color: var(--ink-dim);
}
.note strong { color: var(--warn); }

/* ---- links page ----------------------------------------------------- */
.linkgroup { margin-bottom: 2.5rem; }
.linkgroup h2 { margin-bottom: .75rem; }
.linklist { list-style: none; padding: 0; margin: 0; }
.linklist li { display: flex; gap: .75rem; align-items: baseline;
               padding: .5rem 0; border-bottom: 1px solid var(--rule); }
.linklist a { text-decoration: none; font-weight: 600; flex: none; }
.linklist a:hover { text-decoration: underline; }
.linklist span { color: var(--ink-dim); font-size: .9rem; }

/* ---- footer --------------------------------------------------------- */
footer.site {
  border-top: 1px solid var(--rule); margin-top: 4rem; padding-top: 1.5rem;
  font-size: .85rem; color: var(--ink-faint);
  display: flex; gap: 1rem 1.5rem; flex-wrap: wrap;
}
footer.site a { color: var(--ink-dim); text-decoration: none; }
footer.site a:hover { color: var(--accent); }
footer.site .spacer { margin-left: auto; }

table { width: 100%; border-collapse: collapse; margin: 0 0 1.4rem; font-size: .92rem; display: block; overflow-x: auto; }
th, td { text-align: left; padding: .55rem .75rem; border-bottom: 1px solid var(--rule); }
th { color: var(--ink-dim); font-weight: 600; font-size: .82rem;
     text-transform: uppercase; letter-spacing: .06em; }

@media (max-width: 560px) {
  h1 { font-size: 1.6rem; }
  header.site { padding-top: 1.75rem; }
  header.site nav { margin-left: 0; width: 100%; gap: 1rem; }
  .watermark { width: 80vmin; opacity: .045; }
}