/* TRiNOV WEBLOG — bars and tokens inherited verbatim from trinov.dev
   (styles-public-27 / styles-theme-gold-28). Angular design code: no rounding. */
@font-face {
  font-family: "Pretendard";
  src: url("/assets/fonts/PretendardVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #151a1a;
  --bg-deep: #0e1314;
  --ink: #f0f3ef;
  --muted: #a7adaa;
  --line: rgba(240, 243, 239, 0.18);
  --glass: rgba(210, 213, 205, 0.075);
  --accent: #f5b700;
  --accent-text: #f5b700;
  --accent-strong: #ffca1a;
  --on-accent: #18150b;
  --text-secondary: #aab1ad;
  --nav-hover: rgba(255, 255, 255, 0.06);
  --header-scrolled: rgba(21, 26, 26, 0.8);
  --pop-bg: rgba(22, 27, 27, 0.7);
  --footer-bar-height: 84px;
  --body-background:
    radial-gradient(circle at 12% 5%, rgba(183, 175, 163, 0.24), transparent 26%),
    radial-gradient(circle at 88% 70%, rgba(53, 102, 100, 0.2), transparent 30%),
    linear-gradient(150deg, #343531 0%, #1b2120 44%, #101617 100%);
  --brand-filter: none;
}
html[data-theme="light"] {
  color-scheme: light;
  --bg: #e3e6e3;
  --bg-deep: #d1d6d2;
  --ink: #171b19;
  --muted: #58605c;
  --line: rgba(20, 27, 23, 0.16);
  --glass: rgba(178, 186, 182, 0.3);
  --accent: #f5b700;
  --accent-text: #b98200;
  --accent-strong: #ffc51a;
  --on-accent: #18150b;
  --text-secondary: #515955;
  --nav-hover: rgba(17, 23, 20, 0.055);
  --header-scrolled: rgba(232, 235, 232, 0.82);
  --pop-bg: rgba(235, 238, 235, 0.75);
  --body-background:
    radial-gradient(circle at 12% 5%, rgba(145, 139, 130, 0.14), transparent 29%),
    radial-gradient(circle at 88% 72%, rgba(101, 121, 113, 0.17), transparent 32%),
    linear-gradient(150deg, #eff0ed 0%, #e0e3e0 46%, #cdd3cf 100%);
  --brand-filter: brightness(0);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 200;
  background: var(--body-background);
  background-attachment: fixed;
  color: var(--ink);
  letter-spacing: 0.01em;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
::selection { color: var(--on-accent); background: var(--accent); }

.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

/* ---------------- top bar (trinov.dev .site-header verbatim) ---------------- */
.site-header {
  width: min(1180px, calc(100% - 48px)); height: 74px; position: fixed; z-index: 10;
  top: 24px; left: 50%; transform: translateX(-50%); display: grid;
  grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 24px;
  border-radius: 0; transition: background .3s, top .3s;
}
.site-header.scrolled { top: 12px; }   /* glass stays — no dark tint on scroll */
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; letter-spacing: .21em; }
.brand img { width: 27px; height: 27px; object-fit: contain; opacity: .9; filter: var(--brand-filter); }
.brand-i { color: var(--accent-text); }
html[data-theme="dark"] .brand-i { text-shadow: 0 0 12px rgba(245, 183, 0, 0.24); }

.weblog-title {
  font-size: 12px; font-weight: 500; letter-spacing: .18em;
  color: var(--ink); text-align: center; white-space: nowrap;
}

.header-controls { justify-self: end; display: flex; align-items: center; gap: 14px; }
.language-switcher {
  display: flex; align-items: center; gap: 6px; color: var(--muted);
  font-size: 9px; font-weight: 720; letter-spacing: .08em; line-height: 1;
}
.language-switcher a { position: relative; padding: 11px 1px 10px; transition: color .18s ease; }
.language-switcher a:hover, .language-switcher a:focus-visible,
.language-switcher a[aria-current="page"] { color: var(--ink); }
.language-switcher a[aria-current="page"]::after {
  position: absolute; right: 1px; bottom: 5px; left: 1px; height: 1px;
  background: var(--accent); content: "";
}

.theme-toggle {
  position: relative; width: 34px; height: 34px; display: grid; flex: 0 0 auto;
  place-items: center; padding: 0; border: 1px solid var(--line); border-radius: 0;
  color: var(--muted); background: transparent; cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--muted); background: var(--nav-hover); }
.theme-toggle svg { width: 16px; height: 16px; overflow: visible; }
.theme-icon {
  transform-origin: 10px 10px;
  transition: opacity 220ms ease, transform 260ms cubic-bezier(.2, .8, .2, 1);
}
.theme-icon-sun { fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: square; }
.theme-icon-moon { fill: currentColor; }
html[data-theme="dark"] .theme-icon-sun { opacity: 0; transform: rotate(-35deg) scale(.65); }
html[data-theme="dark"] .theme-icon-moon { opacity: 1; transform: rotate(0) scale(1); }
html[data-theme="light"] .theme-icon-sun { opacity: 1; transform: rotate(0) scale(1); }
html[data-theme="light"] .theme-icon-moon { opacity: 0; transform: rotate(30deg) scale(.65); }

/* ---------------- bottom bar (trinov.dev .site-footer verbatim) ---------------- */
.site-footer {
  position: fixed; z-index: 10; bottom: 0; left: 50%; transform: translateX(-50%);
  width: min(1180px, calc(100% - 48px));
  height: var(--footer-bar-height); min-height: 0;
  display: grid; grid-template-columns: 1fr 1fr 1.2fr auto; align-items: center;
  gap: 30px; padding: 0 24px; border-top: 1px solid var(--line);
  color: #7f8783; font-size: 8px; font-weight: 400; letter-spacing: .1em;
}
.site-footer .brand { color: var(--ink); font-size: 11px; }
.site-footer .brand img { width: 22px; height: 22px; }
.site-footer p { font: 400 13px "Pretendard", sans-serif; letter-spacing: 0; color: var(--text-secondary); }
.site-footer a:last-child { color: var(--text-secondary); }
.site-footer a:hover { color: var(--ink); }

.lab96-lockup {
  display: inline-block;
  white-space: nowrap;
  font-style: normal;
  font-weight: 400;
  font-synthesis: none;
  letter-spacing: .015em;
  line-height: .9;
  vertical-align: -.025em;
}
.lab96-lockup sup {
  position: relative;
  top: -.58em;
  margin-left: .045em;
  font-size: .48em;
  line-height: 0;
  letter-spacing: 0;
  vertical-align: baseline;
}
@supports ((-webkit-mask-image: url("")) or (mask-image: url(""))) {
  .lab96-lockup {
    width: 2.4em;
    height: .78em;
    overflow: hidden;
    background-color: currentColor;
    -webkit-mask: url("logo/lab96-milling-lockup-v1.svg") center / contain no-repeat;
    mask: url("logo/lab96-milling-lockup-v1.svg") center / contain no-repeat;
    text-indent: -999em;
    line-height: 1;
    vertical-align: -.07em;
  }
}

/* ---------------- layout ---------------- */
main {
  width: min(100% - 28px, 760px);
  margin: 0 auto;
  padding: 150px 0 calc(var(--footer-bar-height) + 80px);
}

/* ---------------- post list ---------------- */
.list-eyebrow {
  font-size: 12px; font-weight: 400;
  letter-spacing: 0.3em; color: var(--accent-text);
  margin-bottom: 34px;
}
.post-card {
  display: block;
  color: var(--ink);
  background: var(--glass);
  border: 1px solid var(--line);
  margin-bottom: 18px;
  transition: border-color 160ms ease;
  overflow: hidden;
}
.post-card .pc-text { display: block; padding: 30px 28px; }
.post-card.has-cover {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}
.post-card.has-cover .cover {
  width: 100%; height: 100%; min-height: 220px;
  object-fit: cover; display: block; margin: 0;
}
.pc-cat {
  display: block;
  font-size: 11px; font-weight: 600; letter-spacing: .16em;
  color: var(--accent-text); margin-bottom: 8px;
}
.post-card:hover { border-color: var(--accent); }
.post-card .date {
  font-size: 12px; font-weight: 300;
  color: var(--muted); letter-spacing: 0.08em;
}
.post-card h2 {
  font-size: 26px; font-weight: 200; line-height: 1.35;
  margin: 10px 0 8px;
}
.post-card p {
  font-size: 14.5px; font-weight: 200; line-height: 1.7;
  color: var(--muted);
}
.list-empty { color: var(--muted); font-size: 14px; padding: 40px 0; text-align: center; }

/* ---------------- post page ---------------- */
.post-head { margin-bottom: 46px; }
.post-head .date {
  font-size: 12.5px; font-weight: 300; letter-spacing: 0.12em; color: var(--muted);
}
.post-head h1 {
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 100; line-height: 1.28;
  margin-top: 14px;
}
.post-head .rule { width: 54px; height: 1px; background: var(--accent); margin-top: 28px; }
.post-body { font-size: 16.5px; line-height: 1.95; }
.post-body > * + * { margin-top: 1.35em; }
.post-body p { font-weight: 200; }
.post-body h2 { font-size: 24px; font-weight: 300; letter-spacing: 0.01em; margin-top: 2.2em; }
.post-body strong { font-weight: 500; }
.post-body em { font-style: italic; }
.post-body u { text-underline-offset: 3px; }
.post-body img { width: 100%; display: block; }
.post-body figure { margin: 2em 0; }
.post-body figcaption {
  font-size: 13px; font-weight: 300; color: var(--muted);
  text-align: center; margin-top: 10px; letter-spacing: 0.03em;
}
.post-body blockquote {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 22px;
  color: var(--ink);
  font-weight: 200; font-size: 17.5px; line-height: 1.85;
}
.divider { border: 0; margin: 3em auto; }
.divider-line { width: 100%; height: 1px; background: var(--line); }
.divider-dots {
  width: auto; height: auto; background: none;
  text-align: center; color: var(--muted);
  font-size: 14px; letter-spacing: 1.2em; text-indent: 1.2em;
}
.divider-dots::before { content: "· · ·"; }
.divider-diamond {
  width: auto; height: auto; background: none;
  text-align: center; color: var(--accent-text); font-size: 12px;
}
.divider-diamond::before { content: "◇"; }
.post-foot {
  margin-top: 70px; padding-top: 26px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
}
.post-foot a {
  color: var(--muted); font-size: 13px; font-weight: 300; letter-spacing: 0.08em;
}
.post-foot a:hover { color: var(--ink); }
.machine-note { font-size: 12px; font-weight: 300; color: var(--muted); letter-spacing: 0.04em; }

/* ---------------- comments ---------------- */
.comments { margin-top: 64px; }
.comments h3 {
  font-size: 15px; font-weight: 400; letter-spacing: 0.22em;
  color: var(--accent-text); margin-bottom: 22px;
}
.comment { position: relative; padding: 16px 0; border-top: 1px solid var(--line); }
.comment .who { font-size: 13px; font-weight: 500; letter-spacing: 0.04em; }
.comment .when { font-size: 11.5px; font-weight: 300; color: var(--muted); margin-left: 8px; }
.comment p {
  font-size: 14.5px; font-weight: 200; line-height: 1.75; margin-top: 6px;
  white-space: pre-wrap; word-break: break-word;
}
.comment-empty { color: var(--muted); font-size: 13.5px; font-weight: 200; padding: 8px 0 4px; }
.comment-form {
  margin-top: 26px; display: grid; grid-template-columns: minmax(0, 1fr);
  gap: 10px; min-width: 0;
}
.comment-form input[type="text"], .comment-form textarea {
  font: inherit; font-size: 14px; font-weight: 200; color: var(--ink);
  background: var(--glass); border: 1px solid var(--line);
  box-sizing: border-box; max-width: 100%; min-width: 0;
  padding: 12px 14px; outline: none; resize: vertical;
}
.comment-form input:focus, .comment-form textarea:focus { border-color: var(--accent); }
.comment-form textarea { width: 100%; min-height: 92px; }
.comment-form .row { display: flex; gap: 10px; align-items: center; min-width: 0; }
.comment-form .row input { flex: 1 1 0; width: auto; min-width: 0; }
.comment-form button {
  font: inherit; font-size: 13px; font-weight: 500; letter-spacing: 0.08em;
  color: var(--on-accent); background: var(--accent); border: 0;
  padding: 11px 24px; cursor: pointer;
}
.comment-form .hp { position: absolute; left: -9999px; }
.comment-note { font-size: 12px; font-weight: 300; color: var(--muted); }

/* ---------------- admin affordances (tailnet only) ---------------- */
.write-btn {
  font-size: 10px; font-weight: 600; letter-spacing: 0.12em;
  color: var(--on-accent); background: var(--accent);
  padding: 9px 14px;
}
.comment .del {
  position: absolute; right: 0; top: 16px;
  width: 24px; height: 24px; line-height: 1;
  font-size: 11px; color: var(--muted);
  background: var(--glass); border: 1px solid var(--line);
  cursor: pointer;
}
.comment .del:hover { color: #d9534f; border-color: #d9534f; }

@media (max-width: 640px) {
  .site-header { width: calc(100% - 28px); top: 14px; padding: 0 16px; }
  .weblog-title { font-size: 11px; letter-spacing: .1em; }
  .brand-wordmark { display: none; }
  main { padding-top: 124px; }
  .site-footer { width: calc(100% - 28px); grid-template-columns: 1fr auto; gap: 12px; padding: 0 16px; }
  .site-footer p, .site-footer > span { display: none; }
  .site-footer > a:last-child { justify-self: end; }
}

/* ---------------- one-line calendar (post days bold) ---------------- */
.cal {
  display: flex; align-items: center; gap: 18px;
  padding: 12px 18px; margin-bottom: 30px;
  font-size: 11px; color: var(--muted);
  position: relative; z-index: 5;                 /* the picker paints above later content */
  backdrop-filter: none; -webkit-backdrop-filter: none;  /* let the popup blur the page itself */
}
.cal[hidden] { display: none; }
.cal .mo { display: flex; align-items: center; gap: 6px; font-weight: 600; letter-spacing: .1em; white-space: nowrap; }
.cal .mo button {
  font: inherit; background: none; border: 0; color: var(--muted);
  cursor: pointer; padding: 2px 5px; transition: color .18s ease;
}
.cal .mo button:hover { color: var(--ink); }
.cal .days { display: flex; align-items: center; flex: 1; overflow-x: auto; white-space: nowrap; scrollbar-width: none; cursor: grab; user-select: none; padding: 4px 0 7px; }
.cal .days:active { cursor: grabbing; }
.cal .days::-webkit-scrollbar { display: none; }
.cal .days .bar { color: var(--line); margin: 0 3px; font-weight: 300; }
.cal .d { padding: 2px 2px; font-weight: 300; position: relative; }
.cal .d.today::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%);
  bottom: -5px; width: 3px; height: 3px; background: var(--accent);
}
.cal .d.has { font-weight: 700; color: var(--ink); cursor: pointer; }
.cal .d.has:hover { color: var(--accent-text); }
.cal .d.sel { color: var(--accent-text); border-bottom: 1px solid var(--accent); }

/* year/month picker popup */
.cal .mo .label {
  font: inherit; font-weight: 600; letter-spacing: .1em;
  color: inherit; background: none; border: 0; padding: 2px 4px;
  cursor: pointer; transition: color .18s ease;
}
.cal .mo .label:hover { color: var(--ink); }
.cal-pop {
  position: absolute; top: calc(100% + 8px); left: 12px; z-index: 30;
  min-width: 264px; padding: 14px 16px;
  background: var(--pop-bg);
  backdrop-filter: blur(28px) saturate(1.15);
  -webkit-backdrop-filter: blur(28px) saturate(1.15);
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.35);
}
.cal-pop[hidden] { display: none; }
.cal-pop .yrs-wrap {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.cal-pop .yrs-wrap > button {
  font: inherit; font-size: 13px; background: none; border: 0;
  color: var(--muted); cursor: pointer; padding: 2px 6px; transition: color .18s ease;
}
.cal-pop .yrs-wrap > button:hover { color: var(--ink); }
.cal-pop .yrs {
  display: flex; gap: 8px; flex: 1; overflow-x: auto;
  scrollbar-width: none; cursor: grab; user-select: none; white-space: nowrap;
}
.cal-pop .yrs::-webkit-scrollbar { display: none; }
.cal-pop .yrs:active { cursor: grabbing; }
.cal-pop .mos { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.cal-pop button {
  font: inherit; font-size: 11px; font-weight: 500; letter-spacing: .06em;
  color: var(--muted); background: transparent; border: 1px solid var(--line);
  padding: 6px 10px; cursor: pointer; transition: .18s;
}
.cal-pop button:hover:not(:disabled) { color: var(--ink); border-color: var(--muted); }
.cal-pop button.on { color: var(--accent-text); border-color: var(--accent); }
.cal-pop button:disabled { opacity: .3; cursor: default; }

/* category bar */
.cats { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.cats[hidden] { display: none; }
.cats button {
  font: inherit; font-size: 11.5px; font-weight: 500; letter-spacing: .06em;
  color: var(--muted); background: transparent; border: 1px solid var(--line);
  padding: 7px 14px; cursor: pointer; transition: .18s;
}
.cats button i { font-style: normal; color: var(--muted); font-size: 10px; margin-left: 3px; }
.cats button:hover { color: var(--ink); border-color: var(--muted); }
.cats button.on { color: var(--accent-text); border-color: var(--accent); }
.cats button.on i { color: var(--accent-text); }

/* category label on post page */
.post-cat {
  font-size: 11.5px; font-weight: 600; letter-spacing: .16em;
  color: var(--accent-text); margin-bottom: 10px;
}

.cats button.sub { font-size: 10.5px; padding: 7px 10px; color: var(--muted); border-style: dashed; }
.cats button.sub.on { color: var(--accent-text); border-color: var(--accent); border-style: solid; }

.cats button.empty { opacity: .35; cursor: default; }

.post-del {
  font: inherit; font-size: 11px; font-weight: 500; letter-spacing: .06em;
  color: var(--muted); background: transparent; border: 1px solid var(--line);
  padding: 6px 14px; cursor: pointer; transition: .18s;
}
.post-del:hover { color: #d9534f; border-color: #d9534f; }