/* KpopCompass - A beginner's guide to K-pop for international fans */
:root {
  --c-primary: #7C3AED;
  --c-primary-dark: #6D28D9;
  --c-accent: #EC4899;
  --c-text: #1a1530;
  --c-text-muted: #585272;
  --c-text-light: #8a86a0;
  --c-bg: #ffffff;
  --c-bg-soft: #faf7ff;
  --c-border: #ece4f7;
  --c-border-light: #f3edfb;
  --c-link: #6D28D9;
  --c-warn: #b45309;
  --c-warn-bg: #fef3c7;
  --maxw: 1100px;
  --maxw-text: 720px;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(40,10,80,.04), 0 4px 12px rgba(40,10,80,.05);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--c-border);
}
.site-header .inner {
  max-width: var(--maxw); margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand {
  font-weight: 800; font-size: 20px; letter-spacing: -0.02em;
  color: var(--c-text); display: flex; align-items: center; gap: 8px;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 16px; font-weight: 800;
}
.site-nav ul {
  list-style: none; padding: 0; margin: 0; display: flex; gap: 6px; flex-wrap: wrap;
}
.site-nav a {
  display: inline-block; padding: 8px 12px; border-radius: 8px;
  color: var(--c-text); font-size: 15px; font-weight: 500;
}
.site-nav a:hover { background: var(--c-bg-soft); text-decoration: none; }
.site-nav a.active { color: var(--c-primary-dark); background: #f3e8ff; }

.menu-toggle {
  display: none; background: none; border: 1px solid var(--c-border);
  width: 40px; height: 40px; border-radius: 8px; cursor: pointer; padding: 0;
}
.menu-toggle span {
  display: block; width: 18px; height: 2px; background: var(--c-text);
  margin: 4px auto; transition: .2s;
}

/* Hero */
.hero {
  background: linear-gradient(180deg, #f6efff 0%, #ffffff 100%);
  padding: 64px 20px 48px;
  border-bottom: 1px solid var(--c-border-light);
}
.hero .inner { max-width: var(--maxw); margin: 0 auto; text-align: center; }
.hero h1 {
  font-size: clamp(28px, 4vw, 42px); line-height: 1.3; margin: 0 0 16px;
  letter-spacing: -0.025em; font-weight: 800;
}
.hero p { font-size: 17px; color: var(--c-text-muted); max-width: 640px; margin: 0 auto 28px; }
.hero .cta {
  display: inline-flex; gap: 10px; flex-wrap: wrap; justify-content: center;
}
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px;
  font-weight: 600; font-size: 15px; cursor: pointer; border: none;
  transition: transform .1s, box-shadow .15s;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); text-decoration: none; box-shadow: 0 4px 12px rgba(124,58,237,.28); }
.btn-secondary { background: #fff; color: var(--c-text); border: 1px solid var(--c-border); }
.btn-secondary:hover { background: var(--c-bg-soft); text-decoration: none; }

/* Container */
.container { max-width: var(--maxw); margin: 0 auto; padding: 48px 20px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 40px 20px; }

/* Section header */
.section-title {
  font-size: 24px; font-weight: 800; margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.section-sub { color: var(--c-text-muted); margin: 0 0 24px; font-size: 15px; }

/* Category grid */
.cat-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.cat-card {
  display: block; padding: 22px; border-radius: var(--radius);
  border: 1px solid var(--c-border); background: #fff; color: var(--c-text);
  transition: border-color .15s, transform .1s, box-shadow .15s;
}
.cat-card:hover { border-color: var(--c-primary); text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow); }
.cat-icon {
  width: 44px; height: 44px; border-radius: 12px; background: #f3e8ff;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 14px;
}
.cat-name { font-weight: 700; font-size: 16px; margin-bottom: 4px; }
.cat-desc { font-size: 14px; color: var(--c-text-muted); line-height: 1.55; }

/* Post list */
.post-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.post-card {
  border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 20px 22px; background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.post-card:hover { border-color: var(--c-primary); box-shadow: var(--shadow); }
.post-card a { color: var(--c-text); }
.post-card a:hover { text-decoration: none; }
.post-card .meta {
  font-size: 13px; color: var(--c-text-light); margin-bottom: 8px;
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
}
.post-card .cat-tag {
  display: inline-block; padding: 3px 9px; border-radius: 5px;
  background: #f3e8ff; color: var(--c-primary-dark);
  font-size: 12px; font-weight: 600;
}
.post-card h3 {
  font-size: 17px; font-weight: 700; margin: 0 0 6px; line-height: 1.45;
  letter-spacing: -0.015em;
}
.post-card .excerpt { font-size: 14px; color: var(--c-text-muted); margin: 0; line-height: 1.6; }

/* Article */
.article-header { padding: 36px 20px 20px; max-width: var(--maxw-text); margin: 0 auto; }
.breadcrumb {
  font-size: 13px; color: var(--c-text-light); margin-bottom: 14px;
}
.breadcrumb a { color: var(--c-text-light); }
.breadcrumb a:hover { color: var(--c-primary); }
.article-header h1 {
  font-size: clamp(26px, 3.5vw, 34px); line-height: 1.35; margin: 0 0 14px;
  letter-spacing: -0.025em; font-weight: 800;
}
.article-meta {
  font-size: 14px; color: var(--c-text-light);
  display: flex; gap: 12px; flex-wrap: wrap; align-items: center;
}
.article-meta .cat-tag { font-size: 12px; padding: 3px 10px; }

.article-body {
  max-width: var(--maxw-text); margin: 0 auto; padding: 12px 20px 40px;
  font-size: 17px; line-height: 1.85;
}
.article-body p { margin: 0 0 1.2em; }
.article-body h2 {
  font-size: 23px; font-weight: 800; letter-spacing: -0.02em;
  margin: 2em 0 0.8em; padding-top: 0.4em; line-height: 1.4;
}
.article-body h3 {
  font-size: 19px; font-weight: 700; letter-spacing: -0.015em;
  margin: 1.6em 0 0.6em; line-height: 1.45;
}
.article-body ul, .article-body ol { padding-left: 1.4em; margin: 0 0 1.2em; }
.article-body li { margin: 0.3em 0; }
.article-body li::marker { color: var(--c-primary); }
.article-body strong { color: var(--c-text); font-weight: 700; }
.article-body blockquote {
  border-left: 3px solid var(--c-primary);
  padding: 0.4em 1em; margin: 1.4em 0;
  background: var(--c-bg-soft); color: var(--c-text-muted);
  border-radius: 0 6px 6px 0;
}
.article-body table {
  border-collapse: collapse; width: 100%; margin: 1.4em 0;
  font-size: 15px; background: #fff;
}
.article-body th, .article-body td {
  border: 1px solid var(--c-border); padding: 10px 12px; text-align: left; vertical-align: top;
}
.article-body th { background: var(--c-bg-soft); font-weight: 700; }
.article-body .callout {
  background: #fffbeb; border: 1px solid #fde68a;
  padding: 14px 18px; border-radius: 8px; margin: 1.4em 0; font-size: 15px;
}
.article-body .callout strong { color: var(--c-warn); }
.article-body .tip {
  background: #f6efff; border: 1px solid #ddd0f5;
  padding: 14px 18px; border-radius: 8px; margin: 1.4em 0; font-size: 15px;
}
.article-body .tip strong { color: var(--c-primary-dark); }
.article-body .danger {
  background: #fef2f2; border: 1px solid #fecaca;
  padding: 14px 18px; border-radius: 8px; margin: 1.4em 0; font-size: 15px;
}
.article-body .danger strong { color: #b91c1c; }
.article-body .term {
  background: #fdf2f8; border: 1px solid #fbcfe8;
  padding: 14px 18px; border-radius: 8px; margin: 1.4em 0; font-size: 15px;
}
.article-body .term strong { color: var(--c-accent); }

/* Related posts */
.related {
  max-width: var(--maxw-text); margin: 0 auto 40px; padding: 28px 20px 0;
  border-top: 1px solid var(--c-border-light);
}
.related h2 { font-size: 18px; margin: 0 0 14px; font-weight: 700; }
.related ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.related li a {
  display: block; padding: 12px 14px; border-radius: 8px;
  background: var(--c-bg-soft); color: var(--c-text);
  font-size: 15px; font-weight: 500;
}
.related li a:hover { background: #f3e8ff; text-decoration: none; }

/* Disclaimer box */
.disclaimer-box {
  max-width: var(--maxw-text); margin: 0 auto 30px; padding: 14px 18px;
  font-size: 13px; color: var(--c-text-light);
  background: var(--c-bg-soft); border-radius: 8px;
}

/* Forms */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 15px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--c-border);
  border-radius: 8px; font-size: 15px; font-family: inherit; background: #fff;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--c-primary);
}
.form-group textarea { min-height: 140px; resize: vertical; }

/* Interactive glossary (homepage tool) */
.glossary { margin-top: 56px; }
.glossary-box {
  background: var(--c-bg-soft); padding: 24px; border-radius: var(--radius);
  border: 1px solid var(--c-border);
}
.glossary-search {
  position: relative; margin-bottom: 8px;
}
.glossary-search input {
  width: 100%; padding: 14px 16px; border: 1px solid var(--c-border);
  border-radius: 10px; font-size: 16px; font-family: inherit; background: #fff;
}
.glossary-search input:focus { outline: none; border-color: var(--c-primary); }
.glossary-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 18px; }
.glossary-filter {
  padding: 7px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--c-border);
  font-size: 13px; font-weight: 600; color: var(--c-text-muted); cursor: pointer;
}
.glossary-filter.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.glossary-count { font-size: 13px; color: var(--c-text-light); margin-bottom: 14px; }
.glossary-list { display: grid; gap: 10px; }
.glossary-term {
  background: #fff; border: 1px solid var(--c-border); border-radius: 10px;
  padding: 14px 18px;
}
.glossary-term .gt-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.glossary-term .gt-word { font-weight: 700; font-size: 16px; color: var(--c-text); }
.glossary-term .gt-kr { font-size: 14px; color: var(--c-accent); font-weight: 600; }
.glossary-term .gt-cat {
  margin-left: auto; font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .03em; color: var(--c-primary-dark); background: #f3e8ff;
  padding: 2px 8px; border-radius: 5px;
}
.glossary-term .gt-def { font-size: 14px; color: var(--c-text-muted); margin: 6px 0 0; line-height: 1.6; }
.glossary-empty { text-align: center; color: var(--c-text-light); padding: 24px; font-size: 15px; }

/* FAQ */
.faq-hero {
  background: linear-gradient(180deg, #f6efff 0%, #ffffff 100%);
  padding: 48px 20px 36px; border-bottom: 1px solid var(--c-border-light);
  text-align: center;
}
.faq-hero h1 { font-size: clamp(26px, 3.5vw, 38px); margin: 0 0 10px; font-weight: 800; letter-spacing: -0.025em; }
.faq-hero p { color: var(--c-text-muted); margin: 0 0 22px; font-size: 16px; }
.faq-jump { display: inline-flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.faq-jump a {
  padding: 7px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--c-border);
  font-size: 13px; font-weight: 600; color: var(--c-text-muted);
}
.faq-jump a:hover { border-color: var(--c-primary); color: var(--c-primary-dark); text-decoration: none; }
.faq-section { margin-bottom: 36px; }
.faq-section h2 {
  font-size: 19px; font-weight: 800; margin: 0 0 14px;
  display: flex; align-items: center; gap: 10px; letter-spacing: -0.02em;
}
.faq-section h2::before {
  content: ""; width: 5px; height: 22px; border-radius: 3px;
  background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
}
.faq-item {
  border: 1px solid var(--c-border); border-radius: 10px;
  background: #fff; margin-bottom: 10px; overflow: hidden;
}
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 16px 18px; background: none; border: none; cursor: pointer;
  font-size: 15px; font-weight: 600; color: var(--c-text); text-align: left; font-family: inherit;
}
.faq-q:hover { background: var(--c-bg-soft); }
.faq-q .ico { flex: none; color: var(--c-primary); transition: transform .2s; font-size: 18px; }
.faq-q[aria-expanded="true"] .ico { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 18px 18px; font-size: 15px; line-height: 1.75; color: var(--c-text-muted); }
.faq-a.open { display: block; }
.faq-a p { margin: 0 0 0.8em; }
.faq-a p:last-child { margin: 0; }

/* Document-style pages (about / legal) */
.doc-meta { color: var(--c-text-light); font-size: 14px; margin: 10px 0 0; }
.stat-cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  max-width: var(--maxw-text); margin: 0 auto 8px; padding: 0 20px;
}
.stat-card {
  background: var(--c-bg-soft); border: 1px solid var(--c-border);
  border-radius: 10px; padding: 18px 12px; text-align: center;
}
.stat-card .n { font-size: 26px; font-weight: 800; color: var(--c-primary-dark); letter-spacing: -0.02em; }
.stat-card .l { font-size: 12px; color: var(--c-text-muted); margin-top: 4px; font-weight: 600; }
.team-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.team-list li {
  background: var(--c-bg-soft); border: 1px solid var(--c-border-light);
  border-radius: 10px; padding: 14px 16px; font-size: 15px;
}
.team-list strong { color: var(--c-primary-dark); }
@media (max-width: 760px) {
  .stat-cards { grid-template-columns: 1fr; }
}

/* Footer */
.site-footer {
  background: var(--c-bg-soft);
  border-top: 1px solid var(--c-border);
  padding: 40px 20px 24px; margin-top: 56px;
}
.site-footer .inner { max-width: var(--maxw); margin: 0 auto; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px;
  padding-bottom: 24px; border-bottom: 1px solid var(--c-border);
}
.footer-grid h4 { margin: 0 0 12px; font-size: 14px; font-weight: 700; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin: 6px 0; }
.footer-grid a { color: var(--c-text-muted); font-size: 14px; }
.footer-about p { font-size: 14px; color: var(--c-text-muted); margin: 0; line-height: 1.7; }
.footer-bottom {
  padding-top: 18px; font-size: 13px; color: var(--c-text-light);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}

/* Mobile */
@media (max-width: 760px) {
  .menu-toggle { display: block; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--c-border);
    display: none; padding: 12px 20px;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav a { display: block; padding: 12px 8px; border-radius: 6px; }
  .hero { padding: 48px 20px 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
  .article-body { font-size: 16px; }
  .article-body h2 { font-size: 20px; }
  .article-body h3 { font-size: 17px; }
  .article-body table { font-size: 14px; }
  .article-body th, .article-body td { padding: 8px 10px; }
}

/* Print */
@media print {
  .site-header, .site-footer, .related, .menu-toggle { display: none; }
  body { font-size: 12pt; color: #000; }
}