:root {
  --gs-primary: #1a6b6a;
  --gs-primary-light: #e6f3f3;
  --gs-primary-dark: #0e4f4e;
  --gs-accent: #e07c5a;
  --gs-accent-light: #fff0eb;
  --gs-bg: #faf8f5;
  --gs-bg-white: #ffffff;
  --gs-text: #1a1a2e;
  --gs-text-secondary: #4a5568;
  --gs-text-muted: #718096;
  --gs-border: #e2e0dc;
  --gs-border-light: #f0eeeb;
  --gs-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --gs-shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --gs-shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
  --gs-radius-sm: 8px;
  --gs-radius-md: 12px;
  --gs-radius-lg: 16px;
  --gs-radius-xl: 24px;
  --gs-space-xs: 4px;
  --gs-space-sm: 8px;
  --gs-space-md: 16px;
  --gs-space-lg: 24px;
  --gs-space-xl: 32px;
  --gs-space-2xl: 48px;
  --gs-space-3xl: 64px;
  --gs-space-4xl: 96px;
  --gs-space-5xl: 128px;
  --gs-content-width: 780px;
  --gs-wide-width: 1200px;
  --gs-transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

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

html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  color: var(--gs-text);
  background: var(--gs-bg);
  line-height: 1.7;
  overflow-x: hidden;
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* ===== HEADER ===== */
.gs-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gs-border-light);
  transition: box-shadow var(--gs-transition);
}
.gs-header.scrolled { box-shadow: var(--gs-shadow-sm); }
.gs-header__inner {
  max-width: var(--gs-wide-width);
  margin: 0 auto;
  padding: 0 var(--gs-space-lg);
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.gs-header__logo {
  display: flex; align-items: center; gap: var(--gs-space-sm);
  text-decoration: none; color: var(--gs-text);
}
.gs-header__logo img { width: 36px; height: 36px; border-radius: var(--gs-radius-sm); }
.gs-header__brand {
  font-family: "Noto Serif KR", serif;
  font-weight: 700; font-size: 1.05rem;
  color: var(--gs-primary-dark);
  letter-spacing: -0.02em;
}
.gs-header__toggle {
  display: none; background: none; border: none; cursor: pointer;
  color: var(--gs-text); padding: var(--gs-space-sm);
}
.gs-nav__list {
  list-style: none; display: flex; gap: var(--gs-space-xs); align-items: center;
}
.gs-nav__item a {
  display: block; padding: var(--gs-space-sm) var(--gs-space-md);
  text-decoration: none; color: var(--gs-text-secondary);
  font-size: 0.9rem; font-weight: 500;
  border-radius: var(--gs-radius-sm);
  transition: all var(--gs-transition);
}
.gs-nav__item a:hover { color: var(--gs-primary); background: var(--gs-primary-light); }

@media (max-width: 768px) {
  .gs-header__toggle { display: block; }
  .gs-nav {
    display: none; position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--gs-bg-white);
    border-bottom: 1px solid var(--gs-border);
    box-shadow: var(--gs-shadow-md);
    padding: var(--gs-space-md);
  }
  .gs-nav--open { display: block; }
  .gs-nav__list { flex-direction: column; gap: 0; }
  .gs-nav__item a { padding: 12px var(--gs-space-md); font-size: 1rem; }
}

/* ===== FOOTER ===== */
.gs-footer {
  background: #1a1a2e;
  color: #b0b8c8;
  padding: var(--gs-space-4xl) var(--gs-space-lg) var(--gs-space-2xl);
  margin-top: var(--gs-space-5xl);
}
.gs-footer__inner {
  max-width: var(--gs-wide-width);
  margin: 0 auto;
}
.gs-footer__brand { margin-bottom: var(--gs-space-xl); }
.gs-footer__name {
  font-family: "Noto Serif KR", serif;
  font-size: 1.1rem; font-weight: 700;
  color: #e2e8f0;
  display: block; margin-bottom: var(--gs-space-sm);
}
.gs-footer__desc {
  font-size: 0.9rem; line-height: 1.6;
  color: #8892a4; max-width: 600px;
}
.gs-footer__legal {
  padding: var(--gs-space-lg) 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--gs-space-lg);
}
.gs-footer__legal p {
  font-size: 0.78rem; line-height: 1.6;
  color: #6b7688; margin-bottom: var(--gs-space-sm);
}
.gs-footer__legal p:last-child { margin-bottom: 0; }
.gs-footer__links {
  display: flex; gap: var(--gs-space-lg);
  margin-bottom: var(--gs-space-lg);
}
.gs-footer__links a {
  color: #8892a4; text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--gs-transition);
}
.gs-footer__links a:hover { color: #e2e8f0; }
.gs-footer__copy {
  font-size: 0.78rem; color: #4a5568;
}

/* ===== ARTICLE / SINGLE POST ===== */
.site, .wp-site-blocks { background: var(--gs-bg); }

body.single .wp-site-blocks > *:not(.gs-header):not(.gs-footer),
body.page .wp-site-blocks > *:not(.gs-header):not(.gs-footer) {
  max-width: var(--gs-content-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gs-space-lg);
  padding-right: var(--gs-space-lg);
}

.entry-content, .wp-block-post-content {
  max-width: var(--gs-content-width);
  margin: 0 auto;
  padding: var(--gs-space-2xl) var(--gs-space-lg);
}

.entry-content h1, .wp-block-post-content h1,
article h1, .wp-block-post-title {
  font-family: "Noto Serif KR", serif;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700; line-height: 1.3;
  color: var(--gs-text);
  margin-bottom: var(--gs-space-lg);
  letter-spacing: -0.03em;
}

.entry-content h2, .wp-block-post-content h2 {
  font-family: "Noto Serif KR", serif;
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  font-weight: 600; line-height: 1.35;
  color: var(--gs-primary-dark);
  margin: var(--gs-space-3xl) 0 var(--gs-space-lg);
  padding-bottom: var(--gs-space-sm);
  border-bottom: 2px solid var(--gs-primary-light);
  letter-spacing: -0.02em;
}

.entry-content h3, .wp-block-post-content h3 {
  font-size: 1.15rem; font-weight: 600;
  color: var(--gs-text);
  margin: var(--gs-space-xl) 0 var(--gs-space-md);
}

.entry-content p, .wp-block-post-content p {
  font-size: 1.05rem; line-height: 1.75;
  color: var(--gs-text-secondary);
  margin-bottom: var(--gs-space-lg);
  word-break: keep-all;
}

.entry-content img, .wp-block-post-content img {
  max-width: 100%; height: auto;
  border-radius: var(--gs-radius-md);
  margin: var(--gs-space-xl) 0;
}

.entry-content table, .wp-block-post-content table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--gs-border);
  border-radius: var(--gs-radius-md);
  overflow: hidden;
  margin: var(--gs-space-xl) 0;
  font-size: 0.92rem;
}

.entry-content thead th {
  background: var(--gs-primary);
  color: white;
  font-weight: 600;
  padding: 12px 16px;
  text-align: left;
  font-size: 0.88rem;
}

.entry-content tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gs-border-light);
  color: var(--gs-text-secondary);
}

.entry-content tbody tr:last-child td { border-bottom: none; }
.entry-content tbody tr:nth-child(even) { background: #faf9f7; }
.entry-content tbody tr:hover { background: var(--gs-primary-light); }

.entry-content ul, .entry-content ol {
  margin: var(--gs-space-lg) 0;
  padding-left: var(--gs-space-xl);
}
.entry-content li {
  margin-bottom: var(--gs-space-sm);
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--gs-text-secondary);
}

.entry-content blockquote {
  border-left: 4px solid var(--gs-primary);
  background: var(--gs-primary-light);
  padding: var(--gs-space-lg) var(--gs-space-xl);
  margin: var(--gs-space-xl) 0;
  border-radius: 0 var(--gs-radius-md) var(--gs-radius-md) 0;
  font-size: 1rem;
}
.entry-content blockquote p {
  color: var(--gs-primary-dark);
  margin-bottom: var(--gs-space-sm);
  font-style: normal;
}
.entry-content blockquote p:last-child { margin-bottom: 0; }

/* Table wrapper for mobile scroll */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: var(--gs-space-xl) 0; }
.table-wrap table { margin: 0; min-width: 480px; }

/* Callout boxes */
.gs-callout {
  background: var(--gs-accent-light);
  border: 1px solid #f4d5c5;
  border-radius: var(--gs-radius-md);
  padding: var(--gs-space-lg) var(--gs-space-xl);
  margin: var(--gs-space-xl) 0;
}
.gs-callout--info {
  background: var(--gs-primary-light);
  border-color: #b8dada;
}
.gs-callout p { color: var(--gs-text-secondary); margin-bottom: var(--gs-space-sm); }
.gs-callout p:last-child { margin-bottom: 0; }
.gs-callout strong { color: var(--gs-text); }

/* Summary box at top */
.gs-summary {
  background: var(--gs-bg-white);
  border: 1px solid var(--gs-border);
  border-radius: var(--gs-radius-lg);
  padding: var(--gs-space-xl);
  margin-bottom: var(--gs-space-2xl);
  box-shadow: var(--gs-shadow-sm);
}
.gs-summary__title {
  font-weight: 700; font-size: 0.9rem;
  color: var(--gs-primary);
  margin-bottom: var(--gs-space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.gs-summary ul { padding-left: var(--gs-space-lg); margin: 0; }
.gs-summary li { font-size: 0.95rem; margin-bottom: 4px; color: var(--gs-text-secondary); }

/* Legal notice in posts */
.legal-notice {
  font-size: 0.85em !important;
  color: #777 !important;
  background: #f8f9fa !important;
  border-left: 3px solid #cbd5e1 !important;
  padding: 10px 14px !important;
  margin-top: 2em !important;
  border-radius: 0 6px 6px 0 !important;
}
.ai-notice {
  font-size: 0.85em !important;
  color: #888 !important;
  margin-top: 2em !important;
}

/* Bar chart inline */
.gs-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.gs-bar__label { min-width: 100px; font-size: 0.88rem; color: var(--gs-text-secondary); text-align: right; }
.gs-bar__track { flex: 1; height: 24px; background: var(--gs-border-light); border-radius: 12px; overflow: hidden; }
.gs-bar__fill { height: 100%; border-radius: 12px; transition: width 1s ease; }
.gs-bar__fill--primary { background: linear-gradient(90deg, var(--gs-primary), var(--gs-primary-light)); }
.gs-bar__fill--accent { background: linear-gradient(90deg, var(--gs-accent), #f4b8a0); }
.gs-bar__value { min-width: 40px; font-size: 0.82rem; color: var(--gs-text-muted); }

/* Featured image hero */
.gs-post-hero {
  width: 100%; aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--gs-radius-lg);
  margin-bottom: var(--gs-space-xl);
}

/* Related posts cards */
.gs-related { margin-top: var(--gs-space-4xl); }
.gs-related__title {
  font-family: "Noto Serif KR", serif;
  font-size: 1.25rem; font-weight: 600;
  color: var(--gs-text);
  margin-bottom: var(--gs-space-xl);
}
.gs-related__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--gs-space-lg);
}
.gs-related__card {
  background: var(--gs-bg-white);
  border-radius: var(--gs-radius-md);
  overflow: hidden;
  border: 1px solid var(--gs-border-light);
  transition: all var(--gs-transition);
  text-decoration: none; color: inherit;
  display: block;
}
.gs-related__card:hover {
  box-shadow: var(--gs-shadow-md);
  transform: translateY(-2px);
  border-color: var(--gs-primary-light);
}
.gs-related__card img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover; margin: 0; border-radius: 0;
}
.gs-related__card-body { padding: var(--gs-space-md); }
.gs-related__card-title {
  font-weight: 600; font-size: 0.95rem;
  color: var(--gs-text); line-height: 1.4;
}

/* WordPress block overrides */
.wp-block-group, .wp-block-columns { max-width: var(--gs-content-width); margin: 0 auto; }
.has-global-padding { padding: 0 var(--gs-space-lg); }
.wp-block-template-part { display: contents; }
.wp-block-post-title { text-align: left; }

/* Hide TwentyTwentyFive defaults */
.wp-block-site-title, .wp-block-site-tagline,
.wp-block-navigation, .wp-block-template-part:has(.wp-block-navigation),
body:not(.home) .wp-block-template-part:first-child { display: none !important; }

/* Category archive */
body.archive .entry-content, body.category .entry-content { max-width: var(--gs-wide-width); }

/* Single post meta */
.gs-post-meta {
  display: flex; gap: var(--gs-space-md); align-items: center;
  margin-bottom: var(--gs-space-xl);
  font-size: 0.85rem; color: var(--gs-text-muted);
}
.gs-post-meta__cat {
  background: var(--gs-primary-light);
  color: var(--gs-primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 500;
  font-size: 0.82rem;
  text-decoration: none;
}

/* Scroll animation */
.gs-animate { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.gs-animate.visible { opacity: 1; transform: translateY(0); }

/* Print */
@media print { .gs-header, .gs-footer, .gs-nav { display: none; } }