/* ==========================================================================
   Open Music Criticism — stylesheet
   Design: period pigments on archival paper. Genre = pigment (signature).
   ========================================================================== */

:root {
  /* paper & ink */
  --paper:      #f0efe8;
  --paper-2:    #e8e7dd;   /* recessed panels */
  --paper-3:    #e2e0d4;
  --ink:        #1c1b17;
  --ink-soft:   #5b5850;
  --ink-faint:  #8a877c;
  --rule:       #d0cebf;
  --rule-soft:  #dfddd0;
  --brass:      #9a7b4f;

  /* genre pigments */
  --pig-preview: #3f6b5f;  /* verdigris  */
  --pig-review:  #1f3d5c;  /* prussian blue */
  --pig-critic:  #6a3b52;  /* aubergine  */
  --pig-other:   #6c665a;
  --accent:      #1f3d5c;

  /* type */
  --font-display: "Fraunces", "Newsreader", Georgia, "Nanum Myeongjo", serif;
  --font-serif:   "Newsreader", "Noto Serif KR", Georgia, "Batang", serif;
  --font-sans:    "Inter", system-ui, -apple-system, "Apple SD Gothic Neo",
                  "Malgun Gothic", "Noto Sans KR", sans-serif;

  --measure: 34rem;         /* reading column */
  --page-max: 72rem;
}

/* ---- reset-ish ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.6;
  font-feature-settings: "kern" 1, "liga" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* faint laid-paper texture */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  background:
    repeating-linear-gradient(90deg, rgba(0,0,0,0.014) 0 1px, transparent 1px 3px);
  opacity: .5;
  mix-blend-mode: multiply;
}
#app { position: relative; z-index: 1; }

/* utility label */
.eyebrow {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* the recurring ornament: a small pigment lozenge */
.lozenge {
  display: inline-block;
  width: .62em; height: .62em;
  transform: rotate(45deg);
  background: var(--pig, var(--brass));
  border-radius: 1px;
  vertical-align: baseline;
  flex: none;
}

/* ==========================================================================
   MASTHEAD
   ========================================================================== */
.masthead {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1.2rem, 5vw, 3.5rem) 0;
}
.masthead__topbar {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem; flex-wrap: wrap;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--rule);
}
.masthead__topbar .eyebrow { color: var(--ink-soft); }
.masthead__topbar .right { color: var(--brass); }

.masthead__title {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 900;
  font-size: clamp(2.6rem, 8vw, 5.6rem);
  line-height: .96;
  letter-spacing: -.015em;
  margin: clamp(1.2rem, 3vw, 2rem) 0 .2rem;
}
.masthead__title .amp { font-style: italic; font-weight: 400; }
.masthead__ko {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  color: var(--ink-soft);
  letter-spacing: .02em;
}
.masthead__subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--ink-soft);
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-top: .3rem;
}

/* epigraph hero */
.epigraph {
  margin: clamp(2rem, 5vw, 3.4rem) 0 clamp(1.4rem, 4vw, 2.6rem);
  max-width: 46rem;
}
.epigraph__mark {
  font-family: var(--font-display);
  font-size: 3rem; line-height: 0; color: var(--brass);
  display: block; height: 1.4rem;
}
.epigraph__quote {
  display: block;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  line-height: 1.5;
  letter-spacing: -.005em;
  color: var(--ink);
  cursor: pointer;
  transition: color .25s ease;
}
.epigraph__quote:hover { color: var(--accent); }
.epigraph__cite {
  display: inline-flex; align-items: center; gap: .5em;
  margin-top: 1rem;
  font-family: var(--font-sans);
  font-size: .82rem; letter-spacing: .04em;
  color: var(--ink-soft);
}
.epigraph__cite b { font-weight: 600; color: var(--ink); }
.epigraph[data-anim] .epigraph__quote,
.epigraph[data-anim] .epigraph__cite { animation: rise .7s cubic-bezier(.2,.7,.2,1) both; }
.epigraph[data-anim] .epigraph__cite { animation-delay: .12s; }

.masthead__colophon {
  font-family: var(--font-sans);
  font-size: .85rem;
  color: var(--ink-soft);
  letter-spacing: .02em;
  padding-bottom: 1.4rem;
}
.masthead__colophon .n { color: var(--ink); font-weight: 600; }

/* classical double rule under masthead */
.doublerule {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 clamp(1.2rem, 5vw, 3.5rem);
}
.doublerule::before {
  content: ""; display: block;
  border-top: 2.5px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  height: 4px;
}

/* ==========================================================================
   CONTENTS / INDEX
   ========================================================================== */
.contents {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: clamp(1.6rem, 4vw, 2.6rem) clamp(1.2rem, 5vw, 3.5rem) 5rem;
}

.controls {
  display: flex; align-items: center; gap: 1rem 1.4rem;
  flex-wrap: wrap;
  margin-bottom: 2.2rem;
}
.viewtoggle { display: inline-flex; border: 1px solid var(--rule); border-radius: 2px; overflow: hidden; }
.viewtoggle button {
  font-family: var(--font-sans); font-size: .78rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  background: transparent; color: var(--ink-soft);
  border: 0; padding: .55rem .95rem; cursor: pointer;
  transition: background .18s ease, color .18s ease;
}
.viewtoggle button + button { border-left: 1px solid var(--rule); }
.viewtoggle button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }

.chips { display: inline-flex; gap: .5rem; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-sans); font-size: .78rem; font-weight: 600;
  letter-spacing: .04em;
  padding: .4rem .7rem; border: 1px solid var(--rule); border-radius: 40px;
  color: var(--ink-soft); background: transparent; cursor: pointer;
  transition: border-color .18s, color .18s, background .18s;
}
.chip:hover { border-color: var(--ink-faint); color: var(--ink); }
.chip[aria-pressed="true"] { color: var(--ink); border-color: currentColor; background: var(--paper-2); }
.chip[aria-pressed="true"] .lozenge { transform: rotate(45deg) scale(1.1); }

.search {
  margin-left: auto;
  display: flex; align-items: center; gap: .5rem;
  border-bottom: 1.5px solid var(--rule);
  padding: .3rem .1rem;
}
.search:focus-within { border-color: var(--accent); }
.search input {
  font-family: var(--font-serif); font-size: 1rem;
  background: transparent; border: 0; outline: 0; color: var(--ink);
  width: min(46vw, 15rem);
}
.search input::placeholder { color: var(--ink-faint); }
.search .ic { color: var(--ink-faint); font-size: .95rem; }

/* group heading */
.group { margin-top: 2.8rem; }
.group:first-of-type { margin-top: 0; }
.group__head {
  display: flex; align-items: baseline; gap: .8rem;
  padding-bottom: .7rem; margin-bottom: .3rem;
  border-bottom: 1px solid var(--rule);
}
.group__title {
  font-family: var(--font-display);
  font-weight: 600; font-size: 1.5rem; letter-spacing: -.01em;
  display: inline-flex; align-items: center; gap: .55em;
  color: var(--pig, var(--ink));
}
.group__ko { color: var(--ink-soft); font-weight: 400; font-style: italic; font-size: 1.05rem; }
.group__count { margin-left: auto; font-family: var(--font-sans); font-size: .8rem; color: var(--ink-faint); letter-spacing: .04em; }

/* an entry row (a link) */
.entry {
  display: grid;
  grid-template-columns: 2.4rem 1fr auto;
  gap: 0 1rem;
  align-items: baseline;
  padding: 1.05rem .6rem 1.05rem .4rem;
  border-bottom: 1px solid var(--rule-soft);
  position: relative;
  transition: background .2s ease;
}
.entry:hover, .entry:focus-visible { background: var(--paper-2); outline: none; }
.entry:focus-visible { box-shadow: inset 3px 0 0 var(--pig, var(--accent)); }
.entry__idx {
  font-family: var(--font-sans); font-size: .82rem; font-weight: 600;
  color: var(--ink-faint); font-variant-numeric: tabular-nums;
  display: flex; align-items: center; gap: .4rem;
  padding-top: .18rem;
}
.entry__idx .lozenge { width: .5em; height: .5em; }
.entry__main { min-width: 0; }
.entry__title {
  font-family: var(--font-display);
  font-weight: 600; font-size: 1.24rem; line-height: 1.28;
  letter-spacing: -.005em; color: var(--ink);
  transition: transform .2s ease;
}
.entry:hover .entry__title { transform: translateX(3px); }
.entry__sub {
  font-style: italic; color: var(--ink-soft);
  font-size: .98rem; margin-top: .1rem;
}
.entry__meta {
  font-family: var(--font-sans); font-size: .78rem; letter-spacing: .04em;
  color: var(--ink-soft); margin-top: .35rem;
  display: flex; align-items: center; gap: .55rem; flex-wrap: wrap;
}
.entry__meta .author { color: var(--ink); font-weight: 600; }
.entry__meta .dot { color: var(--ink-faint); }
.entry__meta .genre { color: var(--pig, var(--ink-soft)); font-weight: 600; }
.entry__snippet {
  color: var(--ink-soft); font-size: .95rem; line-height: 1.5;
  margin-top: .5rem; max-width: 44rem;
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height .3s ease, opacity .3s ease, margin .3s ease;
}
.entry:hover .entry__snippet, .entry:focus-within .entry__snippet {
  max-height: 4.5rem; opacity: 1;
}
.entry__len {
  font-family: var(--font-sans); font-size: .8rem; letter-spacing: .02em;
  color: var(--ink-soft); white-space: nowrap;
  font-variant-numeric: tabular-nums; text-align: right;
  padding-top: .18rem;
}
.entry__len small { color: var(--ink-faint); display: block; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }

.empty {
  text-align: center; padding: 4rem 1rem; color: var(--ink-soft);
  font-style: italic;
}
.empty b { display:block; font-family: var(--font-display); font-style: normal; font-size: 1.3rem; color: var(--ink); margin-bottom:.4rem;}

/* ==========================================================================
   READING VIEW
   ========================================================================== */
.reader-top {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.1) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.reader-top__inner {
  max-width: var(--page-max); margin: 0 auto;
  padding: .7rem clamp(1.2rem, 5vw, 3.5rem);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.reader-top__wordmark {
  font-family: var(--font-display); font-weight: 600; font-size: .95rem;
  letter-spacing: -.01em; color: var(--ink);
  display: none;
}
@media (min-width: 720px){ .reader-top__wordmark { display: block; } }
.navbtn {
  font-family: var(--font-sans); font-size: .82rem; font-weight: 600;
  letter-spacing: .04em; color: var(--ink-soft);
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .35rem .2rem; cursor: pointer; background: none; border: 0;
  transition: color .18s ease;
}
.navbtn:hover:not(:disabled) { color: var(--accent); }
.navbtn:disabled { color: var(--ink-faint); opacity: .5; cursor: default; }
.reader-top__nav { display: flex; gap: 1.1rem; }
.progress { height: 2px; background: transparent; }
.progress__bar { height: 100%; width: 0; background: var(--pig, var(--accent)); transition: width .1s linear; }

.article {
  max-width: var(--measure);
  margin: 0 auto;
  padding: clamp(2.4rem, 6vw, 4.5rem) clamp(1.2rem, 5vw, 1.5rem) 4rem;
}
.article__eyebrow {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--font-sans); font-weight: 600; font-size: .74rem;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--pig, var(--ink-soft));
  margin-bottom: 1.2rem;
}
.article__title {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 900; line-height: 1.08;
  font-size: clamp(1.9rem, 5.5vw, 3rem);
  letter-spacing: -.015em; color: var(--ink);
  margin: 0 0 .5rem;
}
.article__subtitle {
  font-family: var(--font-display); font-style: italic; font-weight: 400;
  color: var(--ink-soft); font-size: clamp(1.1rem, 3vw, 1.4rem);
  line-height: 1.35; margin-bottom: 1.2rem;
}
.article__byline {
  display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
  font-family: var(--font-sans); font-size: .84rem; letter-spacing: .03em;
  color: var(--ink-soft);
  padding: 1rem 0 1.3rem;
  border-top: 1px solid var(--rule);
  border-bottom: 2.5px solid var(--ink);
  margin-bottom: 2.4rem;
}
.article__byline .author { font-weight: 600; color: var(--ink); font-size: .92rem; }
.article__byline .dot { color: var(--ink-faint); }

/* rendered prose */
.prose { font-family: var(--font-serif); color: var(--ink); }
.prose > *:first-child { margin-top: 0; }
.prose p { margin: 0 0 1.35em; line-height: 1.9; word-break: keep-all; overflow-wrap: break-word; }
.prose h1, .prose h2, .prose h3, .prose h4 {
  font-family: var(--font-display); font-weight: 600; line-height: 1.25;
  letter-spacing: -.01em; color: var(--ink);
  margin: 2.4em 0 .7em;
}
.prose h1 { font-size: 1.7rem; }
.prose h2 {
  font-size: 1.42rem;
  padding-bottom: .3em; border-bottom: 1px solid var(--rule);
}
.prose h2::before {
  content: ""; display: inline-block;
  width: .5em; height: .5em; margin-right: .5em;
  transform: rotate(45deg);
  background: var(--pig, var(--brass));
  vertical-align: middle;
}
.prose h3 { font-size: 1.18rem; color: var(--ink); }
.prose h4 { font-size: 1.02rem; font-style: italic; font-weight: 400; color: var(--ink-soft); }
.prose strong { font-weight: 700; }
.prose em { font-style: italic; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.prose a:hover { text-decoration-color: var(--accent); }
/* cross-references to other pieces in the collection */
.prose a.xref {
  color: var(--pig, var(--accent));
  text-decoration-color: color-mix(in srgb, var(--pig, var(--accent)) 45%, transparent);
  font-weight: 500;
}
.prose a.xref::after {
  content: "\2197";                 /* up-right arrow: jumps within the site */
  font-size: .78em;
  margin-left: .12em;
  vertical-align: .1em;
  color: color-mix(in srgb, var(--pig, var(--accent)) 70%, transparent);
  text-decoration: none;
}
.prose a.xref:hover { text-decoration-color: var(--pig, var(--accent)); }
.prose a.xref--missing {
  color: var(--ink-faint);
  text-decoration: underline dotted;
  text-decoration-color: var(--ink-faint);
  cursor: not-allowed;
}
.prose a.xref--missing::after { content: ""; }
.prose ul, .prose ol { margin: 0 0 1.35em; padding-left: 1.4em; }
.prose li { margin: .3em 0; line-height: 1.8; word-break: keep-all; }
.prose ul li::marker { color: var(--pig, var(--brass)); }
.prose ol li::marker { color: var(--ink-faint); font-family: var(--font-sans); font-size: .85em; }
.prose blockquote {
  margin: 1.6em 0; padding: .2em 0 .2em 1.3em;
  border-left: 3px solid var(--pig, var(--brass));
  color: var(--ink-soft); font-style: italic;
}
.prose blockquote p { line-height: 1.8; }
.prose hr {
  border: 0; text-align: center; margin: 2.6em 0;
  overflow: visible;
}
.prose hr::after {
  content: "◆"; color: var(--brass); font-size: .7rem; letter-spacing: .5em;
}
.prose code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: .88em; background: var(--paper-2);
  padding: .12em .38em; border-radius: 3px;
}
.prose pre { background: var(--paper-2); padding: 1em 1.2em; border-radius: 4px; overflow: auto; margin: 0 0 1.35em; }
.prose pre code { background: none; padding: 0; }
.prose table {
  width: 100%; border-collapse: collapse; margin: 1.6em 0;
  font-size: .95rem;
}
.prose th, .prose td {
  text-align: left; padding: .55em .7em;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}
.prose thead th {
  font-family: var(--font-sans); font-size: .78rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft);
  border-bottom: 2px solid var(--ink);
}
.prose img { display:block; margin: 1.6em auto; border-radius: 3px; }

/* article footer nav */
.article__foot {
  max-width: var(--measure); margin: 0 auto;
  padding: 0 clamp(1.2rem, 5vw, 1.5rem) 5rem;
}
.article__foot-rule { border: 0; border-top: 1px solid var(--rule); margin: 0 0 1.6rem; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.pager a {
  display: block; padding: 1.1rem 1.2rem; border: 1px solid var(--rule);
  border-radius: 2px; transition: border-color .18s, background .18s;
}
.pager a:hover { border-color: var(--ink-faint); background: var(--paper-2); }
.pager a.next { text-align: right; }
.pager a.disabled { opacity: .35; pointer-events: none; }
.pager .dir { font-family: var(--font-sans); font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-faint); }
.pager .t { font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; color: var(--ink); margin-top: .3rem; line-height: 1.25; }
.pager .a { font-family: var(--font-sans); font-size: .76rem; color: var(--ink-soft); margin-top: .2rem; }
.backtop {
  display: inline-flex; align-items: center; gap: .5rem;
  margin-top: 2rem; font-family: var(--font-sans); font-size: .82rem;
  font-weight: 600; letter-spacing: .04em; color: var(--ink-soft); cursor: pointer;
}
.backtop:hover { color: var(--accent); }

/* ==========================================================================
   SITE FOOTER
   ========================================================================== */
.site-foot {
  max-width: var(--page-max); margin: 0 auto;
  padding: 2.4rem clamp(1.2rem, 5vw, 3.5rem) 3rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-sans); font-size: .78rem; letter-spacing: .03em;
  color: var(--ink-faint);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.site-foot a { color: var(--ink-soft); text-decoration: underline; text-underline-offset: 2px; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 640px) {
  body { font-size: 17px; }
  .entry { grid-template-columns: 1.6rem 1fr; }
  .entry__len { grid-column: 2; text-align: left; padding-top: .4rem; }
  .entry__len small { display: inline; margin-left: .4rem; }
  .search { margin-left: 0; width: 100%; }
  .search input { width: 100%; }
  .controls { gap: .9rem; }
  .pager { grid-template-columns: 1fr; }
}

/* ==========================================================================
   MOTION / ACCESSIBILITY
   ========================================================================== */
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}