:root {
  --bg: #fafaf8;
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --accent: #2563eb;
  --accent-light: #eff6ff;
  --border: #e5e5e5;
  --card-bg: #ffffff;
  --tag-bg: #f3f4f6;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .logo {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
}

.site-header nav a {
  margin-left: 1.25rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.site-header nav a:hover { color: var(--accent); text-decoration: none; }

/* Hero */
.hero {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border);
}

.hero h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 0.5rem;
}

.hero .subtitle {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.author-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.author-photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.author-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.author-name a { color: var(--text); }
.author-name a:hover { color: var(--accent); text-decoration: none; }

.author-bio {
  font-size: 0.825rem;
  color: var(--muted);
  margin-top: 0.25rem;
  line-height: 1.5;
}

.author-links {
  font-size: 0.8rem;
  margin-top: 0.4rem;
}

.author-links a { color: var(--muted); }
.author-links a:hover { color: var(--accent); }

@media (max-width: 480px) {
  .author-card { flex-direction: column; }
}

/* Section grid */
.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 2rem 0;
}

@media (max-width: 480px) {
  .section-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.5rem; }
}

.section-card {
  display: block;
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card-bg);
  transition: border-color 0.15s, box-shadow 0.15s;
  color: var(--text);
}

.section-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(37,99,235,0.08);
  text-decoration: none;
}

.section-card .card-icon { font-size: 1.25rem; margin-bottom: 0.35rem; }
.section-card .card-title { font-weight: 600; font-size: 0.95rem; }
.section-card .card-desc { font-size: 0.8rem; color: var(--muted); margin-top: 0.2rem; }

.new-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--accent);
  color: white;
  padding: 1px 6px;
  border-radius: 4px;
  vertical-align: middle;
  margin-left: 6px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Useful links */
.links-section { margin-top: 2rem; }
.links-section h2 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 0.75rem; }
.links-section ul { list-style: none; }
.links-section ul li { font-size: 0.875rem; padding: 0.3rem 0; border-bottom: 1px solid var(--border); }
.links-section ul li:last-child { border-bottom: none; }

/* Page heading */
.page-header {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.page-header .back {
  font-size: 0.8rem;
  color: var(--muted);
  display: inline-block;
  margin-bottom: 0.75rem;
}

.page-header h1 { font-size: 1.6rem; font-weight: 800; }
.page-header .desc { color: var(--muted); margin-top: 0.4rem; font-size: 0.925rem; }

/* Content blocks */
.block { margin-bottom: 2rem; }
.block h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--accent-light);
}

.item {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.6rem;
  background: var(--card-bg);
}

.item-title { font-weight: 600; font-size: 0.95rem; }
.item-meta { font-size: 0.8rem; color: var(--muted); margin-top: 0.2rem; }
.item-desc { font-size: 0.875rem; margin-top: 0.4rem; }
.item-tag {
  display: inline-block;
  font-size: 0.7rem;
  background: var(--tag-bg);
  border-radius: 4px;
  padding: 1px 7px;
  margin-top: 0.4rem;
  color: var(--muted);
  font-weight: 500;
}

/* Korean phrase table */
.phrase-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.phrase-table thead th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  border-bottom: 2px solid var(--border);
}
.phrase-table tbody tr { border-bottom: 1px solid var(--border); }
.phrase-table tbody tr:last-child { border-bottom: none; }
.phrase-table td { padding: 0.6rem 0.75rem; vertical-align: top; }
.phrase-table .korean { font-size: 1rem; font-weight: 600; }
.phrase-table .romanized { color: var(--muted); font-size: 0.8rem; }
.phrase-table .meaning { }
.phrase-table .context { font-size: 0.78rem; color: var(--muted); font-style: italic; }

/* Category label */
.category-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 1.5rem 0 0.5rem;
}

footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

/* Store and map buttons */
.store-links, .map-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.6rem 0 0.4rem;
}

.store-btn, .map-btn {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--tag-bg);
  color: var(--text);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.store-btn:hover, .map-btn:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

/* Events / Socials */
.date-section {
  margin-bottom: 2.5rem;
}

.date-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--accent-light);
}

.event-card {
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.6rem;
  background: var(--card-bg);
}

.event-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.event-title a { color: var(--text); }
.event-title a:hover { color: var(--accent); text-decoration: none; }

.event-meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.2rem;
}

.event-desc {
  font-size: 0.875rem;
  margin-top: 0.4rem;
  line-height: 1.5;
}

.event-tags {
  margin-top: 0.5rem;
}

/* Share buttons */
.share-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 2rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.share-label {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 0.25rem;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s;
}

.share-btn:hover { text-decoration: none; }
.share-btn.wa  { border-color: #25d366; color: #25d366; }
.share-btn.wa:hover  { background: #25d366; color: white; }
.share-btn.x   { border-color: #000; color: #000; }
.share-btn.x:hover   { background: #000; color: white; }
.share-btn.li  { border-color: #0a66c2; color: #0a66c2; }
.share-btn.li:hover  { background: #0a66c2; color: white; }

/* ICML logo in header */
.icml-logo {
  height: 28px;
  width: auto;
  vertical-align: middle;
  margin-right: 0.5rem;
  opacity: 0.9;
}