@font-face {
  font-family: "EB Garamond";
  src: url("/fonts/eb-garamond-roman.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "EB Garamond";
  src: url("/fonts/eb-garamond-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Departure Mono";
  src: url("/fonts/DepartureMono-Regular.otf") format("opentype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/jetbrains-mono-roman.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Rubik Glitch";
  src: url("/fonts/RubikGlitch-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #F4EFE4;
  --card-bg: #FBF8F2;
  --text: #3A3632;
  --text-light: #8A847C;
  --text-mid: #5E5850;
  --border: #E6DED1;
  --accent: #6B8CAE;
  --accent-soft: rgba(107, 140, 174, 0.10);
  --accent-ink: #5C4A35;
  --tag-read: #8B8D72;
  --tag-reading: #6B8CAE;
  --radius: 14px;
  --gap: 22px;
  --shadow: 0 1px 4px rgba(0,0,0,0.03);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
::selection { background: var(--accent-soft); }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  font-family: "EB Garamond", Georgia, "Songti SC", "Noto Serif CJK SC", serif;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  font-size: 18px;
  line-height: 1.68;
}
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='5' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 300px 300px;
  mix-blend-mode: multiply;
}
a { color: inherit; }

/* Page shell uses Marginalia's interior rhythm: header, rule, centered hero, then card grid. */
.site { max-width: none; margin: 0; padding: 0; }
.topbar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 56px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(80, 70, 55, 0.15);
}
.logo {
  font-family: "Rubik Glitch", monospace;
  font-size: 1.5rem;
  letter-spacing: 0.18em;
  color: #2F2B26;
  text-decoration: none;
  transform: scaleY(0.9) scaleX(0.95);
  display: inline-block;
  position: relative;
  text-shadow: 3px 2px 0 rgba(170,130,90,0.2), -2px -1px 0 rgba(220,195,165,0.15);
  animation: subtle-glitch 2s infinite;
}
@keyframes subtle-glitch {
  0%, 94%, 100% { transform: scaleY(0.9) scaleX(0.95) translate(0); }
  95% { transform: scaleY(0.9) scaleX(0.95) translate(-0.5px, 0.3px); }
  96% { transform: scaleY(0.9) scaleX(0.95) translate(0.5px, -0.3px); }
  97% { transform: scaleY(0.9) scaleX(0.95) translate(-0.3px, 0); }
}
.nav { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.nav a,
.mono,
.meta,
.num,
.source-line,
.compare-row.header,
.item-link {
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.nav a {
  font-size: 0.6rem;
  letter-spacing: 3.5px;
  color: #70695F;
  text-decoration: none;
  transition: color 0.3s;
}
.nav a:hover { color: #2F2B26; }

.hero {
  padding: 72px 48px 46px;
  text-align: center;
  max-width: 840px;
  margin: 0 auto;
}
.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.5rem;
  font-weight: 400;
  letter-spacing: 4.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}
.hero h1 {
  font-family: "EB Garamond", Georgia, serif;
  font-size: clamp(3.1rem, 7vw, 4.8rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--text);
  margin-bottom: 20px;
  font-style: normal;
}
.hero p {
  font-family: "EB Garamond", Georgia, serif;
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-mid);
  line-height: 1.75;
  max-width: 540px;
  margin: 0 auto;
  font-style: italic;
}
.rule {
  width: 44px;
  height: 1px;
  background: var(--border);
  margin: 26px auto 0;
}

.grid,
.levels,
.grammar-grid,
.compare-list,
.refined,
.toolbar,
.review-box,
.panel {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
  padding: 0 48px 80px;
}
.panel,
.card,
.module,
.level,
.gcard,
.compare-card,
.refined-card,
.review-box,
.toolbar {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--text);
}
.panel { padding: 30px; }
.feature { grid-column: span 8; }
.side { grid-column: span 4; }
.module { grid-column: span 6; }
.card,
.module {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 230px;
  padding: 28px;
  text-decoration: none;
  transition: box-shadow 0.4s ease, border-color 0.4s ease, transform 0.4s ease;
}
.card:hover,
.module:hover,
.gcard:hover,
.compare-card:hover,
.refined-card:hover,
.level:hover {
  transform: translateY(-2px);
  border-color: rgba(107, 140, 174, 0.35);
  box-shadow: 0 10px 28px rgba(60, 50, 35, 0.10);
}
.card h2,
.module h2,
.section-title,
.level h2,
.compare-card h2,
.refined-card h2 {
  font-family: "EB Garamond", Georgia, serif;
  font-size: 1.7rem;
  font-weight: 400;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 12px;
}
.card p,
.module p,
.desc,
.gsummary,
.note,
.example-line,
.usage-cell,
.warn-cell,
.review-box p,
.panel p {
  color: var(--text-mid);
  font-size: 0.94rem;
  line-height: 1.7;
}
.num,
.meta,
.mono,
.source-line {
  font-size: 0.56rem;
  color: var(--text-light);
  letter-spacing: 1.6px;
}
.num { margin-bottom: 14px; color: var(--accent); }
.mono { margin-top: 26px; }

.pillrow { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.pill,
.tag,
.btn,
button.pill {
  font-family: "Departure Mono", "JetBrains Mono", monospace;
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: rgba(255,255,255,0.35);
  color: var(--text-mid);
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
}
.pill:hover,
.btn:hover,
button.pill:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.pill.active,
button.pill.active {
  background: var(--text);
  border-color: var(--text);
  color: var(--bg);
}
.btn { display: inline-block; margin-top: 18px; }

.toolbar {
  padding: 24px;
  margin-bottom: 22px;
  display: grid;
  gap: 18px;
}
.toolbar input,
#q {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.38);
  padding: 13px 18px;
  font-family: "EB Garamond", Georgia, serif;
  font-size: 1.05rem;
  color: var(--text);
  outline: none;
}
.toolbar input:focus,
#q:focus { border-color: rgba(107, 140, 174, 0.5); }
.grammar-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  padding: 0 48px 80px;
}
.gcard {
  padding: 24px;
  break-inside: avoid;
  transition: box-shadow 0.4s ease, border-color 0.4s ease, transform 0.4s ease;
}
.gform,
.review-form,
.form-cell {
  font-family: "EB Garamond", Georgia, serif;
  font-size: 1.65rem;
  line-height: 1.18;
  color: var(--text);
  margin: 10px 0 12px;
}
.gsummary { margin: 12px 0; }
.gbullets { padding-left: 1.15rem; list-style: disc; }
.gbullets li { margin: 0.24rem 0; padding-left: 0.15rem; }
.gbullets li::marker { color: var(--accent); font-size: 0.72em; }
.note,
.example-line {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(139,141,114,0.10);
  border: 1px solid rgba(139,141,114,0.12);
}
.note b { display:block; margin-top:6px; font-weight:400; color:var(--text); word-break:keep-all; overflow-wrap:break-word; }
.example-label { display:block; font-family:"JetBrains Mono", monospace; font-size:.52rem; letter-spacing:1.4px; text-transform:uppercase; color:var(--text-light); }
.details { margin-top: 12px; color: var(--text-light); }
.details summary { cursor: pointer; font-family: "JetBrains Mono", monospace; font-size: 0.58rem; letter-spacing: 1.4px; text-transform: uppercase; }
.excerpt { margin-top: 10px; font-size: 0.84rem; color: var(--text-mid); line-height: 1.65; }

.levels {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gap);
  padding: 0 48px 30px;
}
.level { padding: 24px; transition: box-shadow 0.4s ease, border-color 0.4s ease, transform 0.4s ease; }

.compare-list,
.refined {
  display: grid;
  gap: var(--gap);
  padding: 0 48px 80px;
}
.refined-card,
.compare-card { padding: 28px; transition: box-shadow 0.4s ease, border-color 0.4s ease, transform 0.4s ease; }
.quick {
  font-size: 1.02rem;
  color: var(--text-mid);
  border-left: 3px solid var(--accent);
  padding: 10px 0 10px 16px;
  margin: 14px 0 18px;
  line-height: 1.72;
}
.compare-table { display: grid; gap: 10px; }
.compare-row {
  display: grid;
  grid-template-columns: 1.15fr 1.7fr 1.7fr;
  gap: 14px;
  align-items: start;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255,255,255,0.30);
}
.compare-row.header {
  font-size: 0.56rem;
  color: var(--text-light);
  background: var(--accent-soft);
}
.source-line { margin-top: 12px; }
.mini-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.mini { padding: 14px; border: 1px solid var(--border); border-radius: 12px; background: rgba(255,255,255,.28); }

.review-box {
  padding: 30px;
  margin-bottom: 80px;
  max-width: 760px;
}

.footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 56px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  color: var(--text-light);
  font-size: 0.88rem;
  font-style: italic;
  line-height: 1.7;
}
.footer .mono {
  margin-top: 32px;
  font-style: normal;
  font-size: 0.5rem;
}
.footer div:last-child { margin-top: 32px; }

@media (max-width: 1000px) {
  .feature, .side, .module { grid-column: span 12; }
  .grammar-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .levels { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mini-list { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .topbar { padding: 24px 28px 18px; align-items: flex-start; gap: 16px; flex-direction: column; }
  .nav { gap: 14px 18px; }
  .hero { padding: 56px 28px 34px; }
  .hero h1 { font-size: 3rem; }
  .grid, .grammar-grid, .levels, .compare-list, .refined { padding-left: 28px; padding-right: 28px; }
  .grammar-grid, .levels { grid-template-columns: 1fr; }
  .compare-row { grid-template-columns: 1fr; }
  .compare-row.header { display: none; }
  .footer { margin: 0 28px; padding: 28px 0 40px; flex-direction: column; gap: 8px; }
  .footer .mono, .footer div:last-child { margin-top: 0; }
}
@media (max-width: 580px) {
  body { font-size: 17px; }
  .topbar { padding: 20px 20px 16px; }
  .nav a { font-size: 0.56rem; letter-spacing: 2.5px; }
  .hero { padding: 48px 20px 32px; }
  .hero h1 { font-size: 2.45rem; }
  .grid, .grammar-grid, .levels, .compare-list, .refined { padding: 0 20px 56px; }
  .panel, .card, .module, .refined-card, .review-box, .toolbar { padding: 22px; }
}

/* 20260714ee — clearer Korean grammar cards: stronger hierarchy, readable points, separated tags. */
.gcard {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ghead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(80, 70, 55, 0.10);
}
.gform {
  font-size: 1.78rem;
  line-height: 1.12;
  margin: 8px 0 0;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.level-badge {
  flex: 0 0 auto;
  min-width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(107, 140, 174, 0.12);
  border: 1px solid rgba(107, 140, 174, 0.20);
  color: var(--accent);
  font-family: "Departure Mono", "JetBrains Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}
.tagrow { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }
.tagrow .tag {
  padding: 5px 9px;
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  background: rgba(255,255,255,0.58);
  border-color: rgba(80, 70, 55, 0.12);
  color: var(--text-mid);
}
.summary-panel {
  margin-top: 0;
  padding: 14px 15px 13px;
  border-radius: 14px;
  background: rgba(255,255,255,0.44);
  border: 1px solid rgba(80,70,55,0.10);
}
.section-label {
  margin-bottom: 8px;
  font-family: "Departure Mono", "JetBrains Mono", monospace;
  font-size: 0.55rem;
  line-height: 1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.gsummary { margin: 0; }
.gsummary.single { color: var(--text-mid); }
ul.gbullets { padding-left: 0; list-style: none; display: grid; gap: 7px; }
ul.gbullets li { position: relative; margin: 0; padding-left: 1.05rem; }
ul.gbullets li::marker { content: ""; }
ul.gbullets li::before {
  content: "";
  position: absolute;
  left: 0.1rem;
  top: 0.72em;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--accent);
  opacity: 0.72;
}
.note.example-card {
  margin-top: 0;
  padding: 14px 15px;
  border-radius: 14px;
  background: rgba(139,141,114,0.10);
  border: 1px solid rgba(139,141,114,0.16);
}
.ko-example { margin: 0 0 7px; font-weight: 500; color: var(--text); word-break: keep-all; overflow-wrap: break-word; }
.zh-example { margin: 0; color: var(--text-mid); font-size: 0.9rem; line-height: 1.65; }
.details { margin-top: 0; border-top: 1px dashed rgba(80,70,55,0.12); padding-top: 10px; }
.review-box .summary-panel { margin: 14px 0; }
@media (max-width: 560px) {
  .ghead { gap: 10px; }
  .level-badge { min-width: 30px; height: 30px; }
  .summary-panel, .note.example-card { padding: 12px 13px; }
}


/* Card layout refinement: keep source traceability out of the study-card header. */
.ghead.compact {
  align-items: flex-start;
  padding-bottom: 10px;
}
.ghead.compact .gform {
  margin-top: 0;
}
.source-meta {
  font-family: "JetBrains Mono", "Departure Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-light);
  margin: 8px 0 10px;
}

/* v3f: detail paragraph spacing */
.excerpt p { margin-bottom: 10px; }
.excerpt p:last-child { margin-bottom: 0; }

/* Tag refinement: grouped pill rows */
.pillrow-levels { margin-bottom: 4px; }
.pillrow + .pillrow { margin-top: 2px; }

/* ===== Favorite button ===== */
.head-right { display: flex; align-items: center; gap: 6px; }
.fav-btn {
  font-family: inherit; font-size: 1rem; line-height: 1;
  background: none; border: none; cursor: pointer; padding: 2px 4px;
  color: var(--text-mid); opacity: 0.45; transition: all 0.2s; user-select: none;
}
.fav-btn:hover { opacity: 1; color: var(--accent, #c8651b); }
.fav-btn.fav-on { opacity: 1; color: #e0a020; }

/* ===== Edit modal ===== */
.edit-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5); z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(2px);
}
.edit-modal {
  background: var(--bg, #fafaf8); border-radius: 12px;
  max-width: 600px; width: 90vw; max-height: 85vh; overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.edit-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.edit-modal-header h3 { margin: 0; font-size: 1rem; }
.edit-close {
  background: none; border: none; font-size: 1.4rem; cursor: pointer;
  color: var(--text-mid); padding: 0 4px;
}
.edit-body { padding: 16px 20px; }
.edit-body label {
  display: block; font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--text-mid); margin: 12px 0 4px;
}
.edit-body input, .edit-body textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 6px; font-family: inherit; font-size: 0.85rem;
  background: rgba(255,255,255,0.6); color: var(--text);
}
.edit-body textarea { resize: vertical; line-height: 1.5; }
.edit-footer {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-top: 1px solid var(--border);
}
.edit-save, .edit-cancel {
  padding: 8px 18px; border-radius: 100px; cursor: pointer;
  font-family: inherit; font-size: 0.75rem; border: 1px solid var(--border);
}
.edit-save { background: var(--text); color: var(--bg); border-color: var(--text); }
.edit-cancel { background: transparent; }
.edit-status { font-size: 0.75rem; color: var(--text-mid); flex: 1; }
.edit-status.saving { color: var(--text-mid); }
.edit-status.saved { color: #2a9d4a; }
.edit-status.error { color: #d04040; }
.edit-btn {
  font-size: 0.85rem; background: none; border: none; cursor: pointer;
  padding: 2px 4px; opacity: 0.4; transition: opacity 0.2s;
}
.edit-btn:hover { opacity: 1; }
.login-modal { max-width: 380px; }
.login-hint { font-size: 0.8rem; color: var(--text-mid); margin: 8px 0; }
#login-btn.logged-in { background: var(--text); color: var(--bg); border-color: var(--text); }

/* ===== Text highlight (user marks) ===== */
mark.user-hl {
  background: rgba(255, 213, 79, 0.5);
  border-radius: 2px;
  padding: 1px 2px;
  cursor: pointer;
  transition: background 0.2s;
}
mark.user-hl:hover {
  background: rgba(255, 193, 7, 0.7);
}
.hl-toolbar {
  position: fixed;
  z-index: 10000;
  animation: hl-pop 0.15s ease-out;
}
.hl-mark-btn {
  font-size: 1.1rem;
  background: var(--text, #333);
  color: var(--bg, #fff);
  border: none;
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  line-height: 1;
}
.hl-mark-btn:hover {
  transform: scale(1.1);
}
@keyframes hl-pop {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}


/* ===== 20260802 v10 — Korean home, comparisons, and recall cards ===== */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.korean-home-hero{padding-bottom:54px}.korean-home-hero h1{font-size:clamp(3.4rem,8vw,5.6rem)}
.home-modules{max-width:1120px;margin:0 auto;padding:0 48px 96px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.home-module{min-height:330px;padding:30px;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);text-decoration:none;display:flex;flex-direction:column;justify-content:space-between;transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease}
.home-module:hover{transform:translateY(-4px);border-color:rgba(107,140,174,.38);box-shadow:0 15px 36px rgba(60,50,35,.09)}
.home-module-primary{grid-column:span 1}.home-module-top{display:flex;justify-content:space-between;align-items:center}.home-arrow{font-size:1.15rem;color:var(--text-light);transition:transform .3s ease}.home-module:hover .home-arrow{transform:translate(3px,-3px);color:var(--accent)}
.home-module h2{font-size:2rem;font-weight:400;line-height:1.15;margin-bottom:16px}.home-module p{color:var(--text-mid);line-height:1.6}.home-meta{font-family:"JetBrains Mono",monospace;font-size:.55rem;letter-spacing:.15em;color:var(--text-light)}
.conf-shell{max-width:1120px;margin:0 auto;padding:0 48px 96px}.conf-toolbar{display:flex;align-items:end;justify-content:space-between;gap:28px;padding:24px 0 26px;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.conf-intro{color:var(--text-mid);margin-top:6px}.conf-search input{width:min(330px,38vw);padding:11px 14px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.45);font:inherit;font-size:.9rem;color:var(--text);outline:none}.conf-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.theme-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--border);border:1px solid var(--border);margin:28px 0 18px}.theme-index a{display:flex;gap:10px;align-items:baseline;background:var(--card-bg);padding:13px 15px;text-decoration:none;font-size:.82rem;line-height:1.35}.theme-index a:hover{background:#fff}.theme-index span{font-family:"JetBrains Mono",monospace;color:var(--accent);font-size:.52rem;letter-spacing:.1em}.conf-count{font-family:"JetBrains Mono",monospace;font-size:.55rem;letter-spacing:.14em;color:var(--text-light);text-align:right;margin-bottom:12px}.conf-list{display:grid;gap:14px}
.conf-group{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.conf-group>summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:46px 1fr 34px;gap:18px;align-items:start;padding:25px 28px}.conf-group>summary::-webkit-details-marker{display:none}.conf-group[open]>summary{border-bottom:1px solid var(--border)}.conf-number{font-family:"Departure Mono","JetBrains Mono",monospace;color:var(--accent);font-size:.8rem;padding-top:5px}.conf-summary-copy h2{font-size:1.55rem;font-weight:400;line-height:1.25;margin:5px 0 7px}.conf-summary-copy>p{color:var(--text-mid);line-height:1.55}.conf-toggle{width:28px;height:28px;border:1px solid var(--border);border-radius:50%;position:relative;margin-top:4px}.conf-toggle:before,.conf-toggle:after{content:"";position:absolute;background:var(--text-mid);left:8px;right:8px;top:13px;height:1px}.conf-toggle:after{top:8px;bottom:8px;left:13px;width:1px;height:auto;transition:transform .2s}.conf-group[open] .conf-toggle:after{transform:scaleY(0)}
.conf-body{padding:24px 28px 30px}.conf-group-intro{max-width:820px;color:var(--text-mid);margin-bottom:22px}.conf-items{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.conf-item{background:rgba(255,255,255,.43);border:1px solid rgba(80,70,55,.1);border-radius:12px;padding:19px}.conf-item h3{font-size:1.3rem;font-weight:500;line-height:1.3;margin-bottom:14px;word-break:keep-all;overflow-wrap:anywhere}.conf-item-block{display:grid;grid-template-columns:52px 1fr;gap:10px;margin-top:10px}.conf-item-block>span{font-family:"JetBrains Mono",monospace;font-size:.49rem;letter-spacing:.13em;color:var(--accent);padding-top:5px}.conf-item-block p{color:var(--text-mid);font-size:.91rem;line-height:1.58}.conf-watch>span{color:#9a6b46}.conf-example{margin-top:15px;padding-top:13px;border-top:1px dashed rgba(80,70,55,.14)}.conf-example p:first-child{color:var(--text);font-weight:500}.conf-example p:last-child{color:var(--text-light);font-size:.84rem;margin-top:4px}.load-error{text-align:center;padding:50px;color:var(--text-mid)}
.review-deck{max-width:820px;margin:0 auto;padding:0 48px 96px}.review-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:16px}.review-levels{display:flex;flex-wrap:wrap;gap:7px}.review-stage{min-height:540px}.study-card{min-height:540px;background:var(--card-bg);border:1px solid var(--border);border-radius:20px;box-shadow:0 12px 38px rgba(60,50,35,.08);cursor:pointer;outline:none;overflow:hidden;transition:transform .3s ease,border-color .3s ease}.study-card:hover,.study-card:focus-visible{transform:translateY(-2px);border-color:rgba(107,140,174,.42)}.review-face{min-height:540px;padding:36px}.review-front{display:flex;flex-direction:column;align-items:center;text-align:center}.review-card-meta{width:100%;display:flex;align-items:center;justify-content:space-between}.review-form{font-size:clamp(2.8rem,8vw,5rem);font-weight:400;line-height:1.12;margin:auto 0 24px;word-break:keep-all;overflow-wrap:anywhere}.review-prompt{max-width:480px;color:var(--text-mid);font-style:italic}.review-tap{margin-top:auto;font-family:"JetBrains Mono",monospace;font-size:.53rem;letter-spacing:.17em;color:var(--accent)}.review-back{display:none}.study-card.is-revealed{cursor:default}.study-card.is-revealed .review-front{display:none}.study-card.is-revealed .review-back{display:block;animation:answer-in .32s ease}.review-answer-form{font-size:2.15rem;font-weight:400;line-height:1.2;margin:16px 0}.review-back .tagrow{margin-bottom:14px}.review-back .summary-panel,.review-back .note.example-card{margin:14px 0}.review-detail{margin-top:16px;padding-top:16px;border-top:1px dashed rgba(80,70,55,.16)}.review-detail p{color:var(--text-mid);margin:0 0 10px}.review-actions{display:flex;justify-content:center;gap:10px;margin-top:18px}.review-keyhint{text-align:center;color:var(--text-light);font-size:.77rem;margin-top:13px}.review-reveal,.review-next{min-width:145px}@keyframes answer-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(max-width:900px){.home-modules{grid-template-columns:1fr}.home-module{min-height:250px}.theme-index{grid-template-columns:repeat(2,minmax(0,1fr))}.conf-items{grid-template-columns:1fr}}
/* ===== Korean Vocabulary Library + FSRS Review ===== */
.vocab-hero h1,.vocab-review-hero h1,.vocab-card h2,.vocab-detail h2,.vocab-study-card h2{font-family:"AppleMyungjo","Nanum Myeongjo","Noto Serif KR","Songti SC","EB Garamond",serif;word-break:keep-all}
.vocab-toolbar-bottom,.vocab-review-status-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.vocabulary-grid{max-width:1200px;margin:0 auto;padding:0 48px 28px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.vocab-card{min-height:240px;padding:24px;display:flex;flex-direction:column;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);cursor:pointer;transition:transform .3s,border-color .3s,box-shadow .3s}
.vocab-card:hover,.vocab-card:focus-visible{transform:translateY(-2px);border-color:rgba(107,140,174,.42);box-shadow:0 10px 28px rgba(60,50,35,.1);outline:none}
.vocab-card-head{display:flex;justify-content:space-between;align-items:center}.vocab-card h2{margin:28px 0 12px;font-size:2rem;font-weight:400;line-height:1.2;color:var(--text)}
.vocab-meaning{color:var(--text-mid);line-height:1.68;flex:1}.vocab-meta{margin-top:24px;padding-top:14px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:10px;color:var(--text-light);font-family:"JetBrains Mono",monospace;font-size:.54rem;letter-spacing:.06em;text-transform:uppercase}
.vocab-type{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;font-family:"JetBrains Mono",monospace;font-size:.51rem;letter-spacing:.12em;color:var(--accent);background:var(--accent-soft);text-transform:uppercase}.vocab-type.phrase{color:#7a6b3e;background:rgba(139,141,114,.12)}.vocab-type.collocation,.vocab-type.idiom{color:#865f57;background:rgba(154,103,90,.1)}
.vocab-fav,.vocab-detail-close{border:0;background:transparent;color:var(--text-light);cursor:pointer;font-size:1.35rem}.vocab-fav.is-fav{color:#a47d36}.vocab-more-wrap{display:flex;justify-content:center;padding:0 48px 72px}.vocab-no-results,.load-error{grid-column:1/-1;padding:36px;text-align:center;color:var(--text-light)}
.vocab-detail-overlay{position:fixed;inset:0;z-index:11000;display:grid;place-items:center;padding:24px;background:rgba(40,35,30,.38);backdrop-filter:blur(7px)}.vocab-detail{width:min(720px,100%);max-height:min(840px,92vh);overflow:auto;padding:36px;position:relative;background:var(--card-bg);border:1px solid var(--border);border-radius:20px;box-shadow:0 24px 70px rgba(40,30,20,.22)}.vocab-detail-close{position:absolute;top:18px;right:22px;font-size:1.8rem}.vocab-detail-kicker{display:flex;align-items:center;gap:12px;color:var(--text-light);font-size:.75rem}.vocab-detail h2{margin:26px 0 10px;font-size:clamp(2.3rem,7vw,4rem);font-weight:400}.vocab-detail-meaning{font-size:1.24rem;line-height:1.7;color:var(--text-mid)}.vocab-detail section{margin-top:28px}.vocab-example{padding:18px 20px;border-radius:12px;border:1px solid rgba(139,141,114,.15);background:rgba(139,141,114,.08)}.vocab-example p[lang="ko"]{font-family:"AppleMyungjo","Nanum Myeongjo","Noto Serif KR",serif;font-size:1.12rem;color:var(--text)}.vocab-example p+p{margin-top:7px;color:var(--text-mid)}.vocab-example small{display:block;margin-top:10px;color:var(--text-light)}.vocab-empty{color:var(--text-light);font-style:italic}.vocab-provenance{margin-top:28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--border)}.vocab-provenance div{padding:14px 16px;background:var(--card-bg)}.vocab-provenance dt{font-family:"JetBrains Mono",monospace;font-size:.52rem;letter-spacing:.1em;color:var(--text-light);text-transform:uppercase}.vocab-provenance dd{margin-top:5px;color:var(--text-mid)}.vocab-detail-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.vocab-review-shell{max-width:860px;margin:0 auto;padding:0 48px 80px}.vocab-review-toolbar{display:grid;gap:14px;margin-bottom:22px;padding:20px;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius)}.vocab-study-card,.vocab-review-empty{min-height:440px;padding:42px;display:flex;flex-direction:column;justify-content:center;text-align:center;background:var(--card-bg);border:1px solid var(--border);border-radius:20px;box-shadow:0 16px 48px rgba(60,50,35,.08);cursor:pointer}.vocab-review-stage{perspective:1200px}.vocab-study-card{position:relative}.vocab-review-meta{position:absolute;top:26px;left:30px;right:30px;display:flex;justify-content:space-between;color:var(--text-light);font-family:"JetBrains Mono",monospace;font-size:.55rem;letter-spacing:.1em;text-transform:uppercase}.vocab-study-card h2{font-size:clamp(3rem,9vw,6rem);font-weight:400;line-height:1.1}.vocab-review-prompt{max-width:460px;margin:28px auto 0;color:var(--text-light)}.vocab-review-answer{max-width:620px;margin:24px auto 0}.vocab-review-answer .vocab-detail-meaning{font-size:1.25rem}.vocab-review-answer .vocab-example{margin-top:24px;text-align:left}.vocab-review-source{margin-top:18px;color:var(--text-light);font-size:.72rem}.vocab-review-controls{margin-top:20px}.vocab-reveal{width:100%;margin:0;padding:14px;text-align:center}.vocab-grade-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.vocab-grade{padding:12px 8px;border:1px solid var(--border);border-radius:12px;background:var(--card-bg);color:var(--text-mid);cursor:pointer}.vocab-grade span,.vocab-grade small{display:block}.vocab-grade span{font-size:.95rem}.vocab-grade small{margin-top:3px;color:var(--text-light);font-family:"JetBrains Mono",monospace;font-size:.55rem}.vocab-grade:hover{border-color:var(--accent);transform:translateY(-1px)}.vocab-review-empty h2{font-size:2rem;font-weight:400}.vocab-review-empty p{margin-top:12px;color:var(--text-light)}
.vocab-import-label{cursor:pointer}
@media(max-width:900px){.vocabulary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.home-modules,.conf-shell,.review-deck,.vocab-review-shell{padding-left:20px;padding-right:20px}.vocabulary-grid{grid-template-columns:1fr;padding-left:20px;padding-right:20px}.vocab-card{min-height:210px;padding:20px}.vocab-card h2{font-size:1.8rem}.vocab-meta{font-size:.49rem;flex-direction:column;gap:5px}.vocab-detail{padding:28px 22px}.vocab-provenance{grid-template-columns:1fr}.vocab-study-card,.vocab-review-empty{min-height:420px;padding:30px 20px}.vocab-review-meta{left:18px;right:18px;top:18px;gap:12px;font-size:.48rem}.vocab-study-card h2{font-size:3rem}.vocab-grade-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.home-modules,.conf-shell,.review-deck{padding-left:20px;padding-right:20px}.home-modules{padding-bottom:64px}.conf-toolbar,.review-toolbar{align-items:stretch;flex-direction:column}.conf-search input{width:100%}.theme-index{grid-template-columns:1fr}.conf-group>summary{grid-template-columns:34px 1fr 28px;gap:10px;padding:20px 17px}.conf-summary-copy h2{font-size:1.3rem}.conf-summary-copy>p{font-size:.9rem}.conf-body{padding:20px 17px 23px}.conf-item{padding:16px}.conf-item-block{grid-template-columns:45px 1fr}.review-stage,.study-card,.review-face{min-height:470px}.review-face{padding:24px}.review-form{font-size:2.65rem}.review-actions{flex-direction:column}.review-reveal,.review-next{width:100%}.review-keyhint{display:none}}