:root {
  --ac-primary: #0a7e8c;
  --ac-primary-dark: #065f6a;
  --ac-primary-light: #e6f5f7;
  --ac-accent: #2bb5c4;
  --ac-accent-hover: #1a9baa;
  --ac-bg: #ffffff;
  --ac-bg-alt: #f7fafa;
  --ac-bg-card: #ffffff;
  --ac-text: #1a2a2d;
  --ac-text-secondary: #4a6367;
  --ac-text-muted: #8a9ea1;
  --ac-border: #d8e8ea;
  --ac-border-light: #eef4f5;
  --ac-shadow-sm: 0 1px 3px rgba(10,126,140,0.06);
  --ac-shadow-md: 0 4px 16px rgba(10,126,140,0.08);
  --ac-shadow-lg: 0 8px 32px rgba(10,126,140,0.10);
  --ac-radius-sm: 8px;
  --ac-radius-md: 12px;
  --ac-radius-lg: 16px;
  --ac-radius-xl: 24px;
  --ac-space-xs: 4px;
  --ac-space-sm: 8px;
  --ac-space-md: 16px;
  --ac-space-lg: 24px;
  --ac-space-xl: 32px;
  --ac-space-2xl: 48px;
  --ac-space-3xl: 64px;
  --ac-space-4xl: 96px;
  --ac-space-5xl: 128px;
  --ac-content-width: 780px;
  --ac-wide-width: 1200px;
  --ac-transition: 200ms ease;
}

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

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ac-text);
  background: var(--ac-bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: "Noto Serif KR", serif;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ac-text);
  letter-spacing: -0.02em;
}

.entry-content h2, .post-content h2 {
  font-size: 1.6rem;
  margin: 2.5em 0 1em;
  padding-bottom: 0.5em;
  border-bottom: 2px solid var(--ac-primary-light);
  position: relative;
}
.entry-content h2::before, .post-content h2::before {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--ac-primary);
}
.entry-content h3, .post-content h3 {
  font-size: 1.25rem;
  margin: 2em 0 0.8em;
  color: var(--ac-primary-dark);
}

/* ===== Content layout ===== */
.entry-content, .post-content {
  max-width: var(--ac-content-width);
  margin: 0 auto;
  padding: 0 var(--ac-space-lg);
  font-size: 1.05rem;
  line-height: 1.78;
}
.entry-content p, .post-content p {
  margin-bottom: 1.4em;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.entry-content img, .post-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--ac-radius-md);
  margin: var(--ac-space-xl) 0;
}

/* ===== Tables ===== */
.entry-content table, .post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--ac-space-xl) 0;
  font-size: 0.95rem;
  border-radius: var(--ac-radius-md);
  overflow: hidden;
  box-shadow: var(--ac-shadow-sm);
}
.entry-content table thead th, .post-content table thead th {
  background: var(--ac-primary);
  color: #fff;
  font-weight: 600;
  padding: 14px 16px;
  text-align: left;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}
.entry-content table tbody td, .post-content table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--ac-border-light);
  vertical-align: top;
}
.entry-content table tbody tr:nth-child(even), .post-content table tbody tr:nth-child(even) {
  background: var(--ac-bg-alt);
}
.entry-content table tbody tr:hover, .post-content table tbody tr:hover {
  background: var(--ac-primary-light);
  transition: background var(--ac-transition);
}
@media (max-width: 768px) {
  .entry-content table, .post-content table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}

/* ===== Lists ===== */
.entry-content ul, .entry-content ol, .post-content ul, .post-content ol {
  padding-left: 1.5em;
  margin: 1em 0 1.5em;
}
.entry-content li, .post-content li {
  margin-bottom: 0.5em;
  line-height: 1.7;
}
.entry-content ul li::marker, .post-content ul li::marker {
  color: var(--ac-primary);
}

/* ===== Blockquote / Callout ===== */
.entry-content blockquote, .post-content blockquote,
.callout-box {
  background: var(--ac-primary-light);
  border-left: 4px solid var(--ac-primary);
  padding: var(--ac-space-lg) var(--ac-space-xl);
  margin: var(--ac-space-xl) 0;
  border-radius: 0 var(--ac-radius-md) var(--ac-radius-md) 0;
  font-size: 1rem;
  color: var(--ac-text);
}
.callout-box p { margin: 0.3em 0; }
.callout-box strong { color: var(--ac-primary-dark); }

/* ===== Cards ===== */
.ac-card {
  background: var(--ac-bg-card);
  border-radius: var(--ac-radius-lg);
  box-shadow: var(--ac-shadow-md);
  overflow: hidden;
  transition: transform var(--ac-transition), box-shadow var(--ac-transition);
}
.ac-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ac-shadow-lg);
}
.ac-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}
.ac-card-body {
  padding: var(--ac-space-lg);
}
.ac-card-body h3 {
  font-size: 1.1rem;
  margin: 0 0 0.5em;
  line-height: 1.4;
}
.ac-card-body p {
  font-size: 0.92rem;
  color: var(--ac-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ===== Buttons ===== */
.ac-btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--ac-primary);
  color: #fff;
  border: none;
  border-radius: var(--ac-radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--ac-transition), transform 150ms ease;
  letter-spacing: 0.01em;
}
.ac-btn:hover {
  background: var(--ac-accent-hover);
  transform: translateY(-1px);
}
.ac-btn-outline {
  background: transparent;
  color: var(--ac-primary);
  border: 2px solid var(--ac-primary);
}
.ac-btn-outline:hover {
  background: var(--ac-primary);
  color: #fff;
}

/* ===== Notices ===== */
.ai-notice, .legal-notice, .affiliate-notice {
  max-width: var(--ac-content-width);
  margin-left: auto;
  margin-right: auto;
}

/* ===== TOC ===== */
#ez-toc-container {
  background: var(--ac-bg-alt) !important;
  border: 1px solid var(--ac-border) !important;
  border-radius: var(--ac-radius-md) !important;
  padding: var(--ac-space-lg) var(--ac-space-xl) !important;
  margin: var(--ac-space-xl) auto !important;
  max-width: var(--ac-content-width);
  box-shadow: var(--ac-shadow-sm) !important;
}
#ez-toc-container a { color: var(--ac-text-secondary) !important; text-decoration: none !important; }
#ez-toc-container a:hover { color: var(--ac-primary) !important; }

/* ===== Single post header ===== */
.ac-post-header {
  text-align: center;
  padding: var(--ac-space-4xl) var(--ac-space-lg) var(--ac-space-3xl);
  max-width: var(--ac-wide-width);
  margin: 0 auto;
}
.ac-post-header h1 {
  font-size: 2.2rem;
  margin-bottom: 0.5em;
}
.ac-post-header .ac-post-meta {
  color: var(--ac-text-muted);
  font-size: 0.9rem;
}
.ac-post-hero {
  max-width: 900px;
  margin: 0 auto var(--ac-space-3xl);
  border-radius: var(--ac-radius-lg);
  overflow: hidden;
  box-shadow: var(--ac-shadow-lg);
}
.ac-post-hero img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

/* ===== Related posts ===== */
.ac-related {
  max-width: var(--ac-wide-width);
  margin: var(--ac-space-4xl) auto;
  padding: 0 var(--ac-space-lg);
}
.ac-related h2 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: var(--ac-space-xl);
}
.ac-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--ac-space-xl);
}

/* ===== Footer ===== */
.ac-footer {
  background: #0d2b30;
  color: #a8c5c9;
  padding: var(--ac-space-4xl) var(--ac-space-lg) var(--ac-space-xl);
}
.ac-footer a { color: #d0e6e9; text-decoration: none; }
.ac-footer a:hover { color: var(--ac-accent); }
.ac-footer-inner {
  max-width: var(--ac-wide-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--ac-space-3xl);
}
.ac-footer-brand h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: var(--ac-space-md);
}
.ac-footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #8aacb0;
}
.ac-footer-nav h4, .ac-footer-info h4 {
  color: #d0e6e9;
  font-size: 0.95rem;
  margin-bottom: var(--ac-space-md);
  font-family: "Pretendard Variable", sans-serif;
}
.ac-footer-nav ul { list-style: none; padding: 0; margin: 0; }
.ac-footer-nav li { margin-bottom: var(--ac-space-sm); }
.ac-footer-nav a { font-size: 0.9rem; }
.ac-footer-bottom {
  max-width: var(--ac-wide-width);
  margin: var(--ac-space-3xl) auto 0;
  padding-top: var(--ac-space-xl);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--ac-space-md);
  font-size: 0.82rem;
  color: #6a8f94;
}
.ac-footer-legal {
  max-width: var(--ac-wide-width);
  margin: var(--ac-space-xl) auto 0;
  font-size: 0.78rem;
  color: #5a7e83;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .ac-footer-inner { grid-template-columns: 1fr; gap: var(--ac-space-xl); }
  .ac-footer-bottom { flex-direction: column; text-align: center; }
  .ac-post-header h1 { font-size: 1.6rem; }
  .entry-content h2, .post-content h2 { font-size: 1.35rem; }
  .entry-content, .post-content { padding: 0 var(--ac-space-md); font-size: 1rem; }
}

/* ===== Scroll animations ===== */
.ac-fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.ac-fade-in.ac-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== WordPress overrides ===== */
.wp-site-blocks { padding: 0 !important; }
.wp-block-post-content { max-width: none !important; padding: 0 !important; }
.has-global-padding { padding: 0 !important; }
body .is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)) {
  max-width: none;
}