/* ======================================
   OrthodontCost Premium Design System
   치아 교정 비용 비교 가이드
   ====================================== */

:root {
  /* Color Tokens */
  --oc-primary: #0f4c75;
  --oc-primary-dark: #0a3550;
  --oc-primary-light: #1b6fa0;
  --oc-accent: #3ec1d3;
  --oc-accent-soft: #b5e8ef;
  --oc-bg: #f8fafb;
  --oc-bg-alt: #ffffff;
  --oc-bg-card: #ffffff;
  --oc-text: #1a2332;
  --oc-text-secondary: #556677;
  --oc-text-muted: #8899aa;
  --oc-border: #e2e8f0;
  --oc-border-light: #f0f4f8;
  --oc-shadow-sm: 0 1px 3px rgba(15,76,117,0.06);
  --oc-shadow-md: 0 4px 12px rgba(15,76,117,0.08);
  --oc-shadow-lg: 0 8px 30px rgba(15,76,117,0.10);
  --oc-radius-sm: 8px;
  --oc-radius-md: 12px;
  --oc-radius-lg: 16px;
  --oc-radius-xl: 24px;
  --oc-space-xs: 4px;
  --oc-space-sm: 8px;
  --oc-space-md: 16px;
  --oc-space-lg: 24px;
  --oc-space-xl: 32px;
  --oc-space-2xl: 48px;
  --oc-space-3xl: 64px;
  --oc-space-4xl: 96px;
  --oc-space-5xl: 128px;
  --oc-max-w: 800px;
  --oc-transition: 200ms ease;
  --oc-font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --oc-font-serif: 'Noto Serif KR', Georgia, serif;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--oc-font-sans);
  color: var(--oc-text);
  background: var(--oc-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

/* === Font Loading === */
@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard-dynamic-subset.min.css');
  font-display: swap;
}
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard-dynamic-subset.min.css');
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@400;700&display=swap');

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--oc-font-sans);
  font-weight: 700;
  line-height: 1.3;
  color: var(--oc-text);
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: var(--oc-space-3xl); margin-bottom: var(--oc-space-lg); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); margin-top: var(--oc-space-2xl); margin-bottom: var(--oc-space-md); }
p { margin-bottom: var(--oc-space-md); color: var(--oc-text-secondary); line-height: 1.8; }

/* === Links === */
a { color: var(--oc-primary); text-decoration: none; transition: color var(--oc-transition); }
a:hover { color: var(--oc-accent); }

/* === WP Override: Remove all default theme chrome === */
.wp-site-blocks { padding: 0 !important; }
.is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)) { max-width: none !important; }
body .is-layout-constrained > .alignwide { max-width: none !important; }
.wp-block-post-content { padding: 0 !important; }
.has-global-padding { padding: 0 !important; }

/* Hide WP default header/footer/nav from block theme */
body:not(.home) header.wp-block-template-part,
body:not(.home) footer.wp-block-template-part,
.wp-block-site-title,
.wp-block-site-tagline,
.wp-block-navigation { display: none !important; }

/* === OC Header === */
.oc-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--oc-border-light);
  transition: box-shadow var(--oc-transition);
}
.oc-header.scrolled { box-shadow: var(--oc-shadow-md); }
.oc-header-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--oc-space-lg); height: 64px;
}
.oc-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.oc-logo img { width: 36px; height: 36px; border-radius: var(--oc-radius-sm); }
.oc-logo-text {
  font-family: var(--oc-font-sans); font-weight: 700; font-size: 1.05rem;
  color: var(--oc-primary); letter-spacing: -0.02em;
}
.oc-nav { display: flex; gap: var(--oc-space-lg); align-items: center; }
.oc-nav a {
  font-size: 0.9rem; font-weight: 500; color: var(--oc-text-secondary);
  padding: 6px 0; position: relative; transition: color var(--oc-transition);
}
.oc-nav a::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
  background: var(--oc-accent); transition: width var(--oc-transition);
}
.oc-nav a:hover { color: var(--oc-primary); }
.oc-nav a:hover::after { width: 100%; }

.oc-menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.oc-menu-toggle svg { width: 24px; height: 24px; stroke: var(--oc-text); }

/* Mobile nav */
@media (max-width: 768px) {
  .oc-nav {
    position: fixed; top: 64px; left: 0; right: 0;
    background: var(--oc-bg-alt);
    flex-direction: column; gap: 0; padding: var(--oc-space-md) 0;
    border-bottom: 1px solid var(--oc-border);
    box-shadow: var(--oc-shadow-lg);
    transform: translateY(-120%); transition: transform 300ms ease;
  }
  .oc-nav.open { transform: translateY(0); }
  .oc-nav a { padding: 12px var(--oc-space-lg); width: 100%; }
  .oc-menu-toggle { display: block; }
}

/* === Post/Page Content Area === */
.oc-content {
  max-width: var(--oc-max-w); margin: 0 auto;
  padding: 100px var(--oc-space-lg) var(--oc-space-4xl);
}

/* === Post Card (archives, latest posts) === */
.oc-card {
  background: var(--oc-bg-card);
  border-radius: var(--oc-radius-lg);
  overflow: hidden;
  box-shadow: var(--oc-shadow-sm);
  transition: transform var(--oc-transition), box-shadow var(--oc-transition);
}
.oc-card:hover { transform: translateY(-4px); box-shadow: var(--oc-shadow-lg); }
.oc-card-img {
  width: 100%; aspect-ratio: 16/10; object-fit: cover;
  border-bottom: 1px solid var(--oc-border-light);
}
.oc-card-body { padding: var(--oc-space-lg); }
.oc-card-title {
  font-size: 1.1rem; font-weight: 700; color: var(--oc-text);
  margin-bottom: var(--oc-space-sm); line-height: 1.4;
}
.oc-card-excerpt { font-size: 0.9rem; color: var(--oc-text-muted); line-height: 1.6; }
.oc-card-meta {
  font-size: 0.8rem; color: var(--oc-text-muted); margin-top: var(--oc-space-md);
  padding-top: var(--oc-space-md); border-top: 1px solid var(--oc-border-light);
}

/* === Post Single Styles === */
.oc-post-hero {
  width: 100%; aspect-ratio: 21/9; object-fit: cover;
  border-radius: var(--oc-radius-lg);
  margin-bottom: var(--oc-space-2xl);
}
.entry-content, .oc-entry {
  font-size: 1.05rem; line-height: 1.85; color: var(--oc-text-secondary);
}
.entry-content h2, .oc-entry h2 {
  color: var(--oc-primary); font-size: 1.5rem;
  padding-bottom: var(--oc-space-sm);
  border-bottom: 2px solid var(--oc-accent-soft);
  margin-top: var(--oc-space-3xl);
}
.entry-content h3, .oc-entry h3 {
  color: var(--oc-primary-dark); font-size: 1.25rem;
  padding-left: var(--oc-space-md);
  border-left: 3px solid var(--oc-accent);
}
.entry-content img, .oc-entry img {
  max-width: 100%; height: auto;
  border-radius: var(--oc-radius-md);
  margin: var(--oc-space-xl) 0;
}

/* === Tables (Premium) === */
.entry-content table, .oc-entry table, .oc-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border-radius: var(--oc-radius-md); overflow: hidden;
  margin: var(--oc-space-xl) 0;
  box-shadow: var(--oc-shadow-sm);
  font-size: 0.92rem;
}
.entry-content table thead, .oc-table thead {
  background: var(--oc-primary);
}
.entry-content table th, .oc-table th {
  color: #fff; font-weight: 600; padding: 14px 16px;
  text-align: left; white-space: nowrap;
}
.entry-content table td, .oc-table td {
  padding: 12px 16px; border-bottom: 1px solid var(--oc-border-light);
  color: var(--oc-text-secondary);
}
.entry-content table tbody tr:hover, .oc-table tbody tr:hover {
  background: rgba(62,193,211,0.05);
}
.entry-content table tbody tr:last-child td { border-bottom: none; }

/* Mobile table */
@media (max-width: 640px) {
  .oc-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: var(--oc-space-xl) calc(-1 * var(--oc-space-md)); padding: 0 var(--oc-space-md); }
  .entry-content table, .oc-table { min-width: 520px; }
}

/* === Blockquote / Callout === */
.entry-content blockquote, .oc-callout {
  background: linear-gradient(135deg, rgba(62,193,211,0.06), rgba(15,76,117,0.04));
  border-left: 4px solid var(--oc-accent);
  border-radius: 0 var(--oc-radius-md) var(--oc-radius-md) 0;
  padding: var(--oc-space-lg) var(--oc-space-xl);
  margin: var(--oc-space-xl) 0;
  font-size: 1rem; color: var(--oc-text);
}
.entry-content blockquote p:last-child { margin-bottom: 0; }

/* === Lists === */
.entry-content ul, .entry-content ol, .oc-entry ul, .oc-entry ol {
  padding-left: var(--oc-space-xl); margin: var(--oc-space-md) 0 var(--oc-space-xl);
}
.entry-content li, .oc-entry li {
  margin-bottom: var(--oc-space-sm); line-height: 1.7; color: var(--oc-text-secondary);
}

/* === Buttons === */
.oc-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; font-size: 0.95rem; font-weight: 600;
  border-radius: var(--oc-radius-sm); border: none; cursor: pointer;
  transition: all var(--oc-transition); text-decoration: none;
  font-family: var(--oc-font-sans);
}
.oc-btn-primary {
  background: var(--oc-primary); color: #fff;
}
.oc-btn-primary:hover { background: var(--oc-primary-dark); color: #fff; transform: translateY(-1px); }
.oc-btn-outline {
  background: transparent; color: var(--oc-primary);
  border: 1.5px solid var(--oc-primary);
}
.oc-btn-outline:hover { background: var(--oc-primary); color: #fff; }
.oc-btn-accent {
  background: var(--oc-accent); color: var(--oc-primary-dark);
}
.oc-btn-accent:hover { background: #2fb1c2; transform: translateY(-1px); }

/* === Footer === */
.oc-footer {
  background: var(--oc-primary-dark); color: rgba(255,255,255,0.7);
  padding: var(--oc-space-3xl) var(--oc-space-lg) var(--oc-space-xl);
}
.oc-footer-inner {
  max-width: 1200px; margin: 0 auto;
}
.oc-footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: var(--oc-space-2xl); margin-bottom: var(--oc-space-2xl);
}
.oc-footer-brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 1.1rem; font-weight: 700; color: #fff !important;
  margin-bottom: var(--oc-space-md); padding: 0 !important;
}
.oc-footer-brand img {
  display: block; width: 36px; height: 36px; object-fit: contain;
  aspect-ratio: 1 / 1; border-radius: var(--oc-radius-sm); flex: 0 0 36px;
}
.oc-footer-desc { font-size: 0.88rem; line-height: 1.7; color: rgba(255,255,255,0.6); }
.oc-footer-heading { font-size: 0.85rem; font-weight: 600; color: var(--oc-accent-soft); margin-bottom: var(--oc-space-md); text-transform: uppercase; letter-spacing: 0.05em; }
.oc-footer a { color: rgba(255,255,255,0.65); font-size: 0.88rem; display: block; padding: 4px 0; }
.oc-footer a:hover { color: var(--oc-accent); }
.oc-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--oc-space-lg);
  font-size: 0.8rem; color: rgba(255,255,255,0.4);
}
.oc-footer-notices {
  margin-top: var(--oc-space-lg);
  font-size: 0.78rem; line-height: 1.7; color: rgba(255,255,255,0.35);
}

@media (max-width: 768px) {
  .oc-footer-grid { grid-template-columns: 1fr; gap: var(--oc-space-xl); }
  .oc-footer-brand { font-size: 1rem; }
  .oc-footer-brand img { width: 32px; height: 32px; flex-basis: 32px; }
}

/* === Legal Notices 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;
}

/* === Scroll Reveal Animation === */
.oc-reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.oc-reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .oc-reveal { opacity: 1; transform: none; transition: none; }
}

/* === Inline Chart Styles === */
.oc-bar-chart { margin: var(--oc-space-xl) 0; }
.oc-bar-row { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.oc-bar-label { min-width: 100px; font-size: 0.88rem; font-weight: 500; color: var(--oc-text); text-align: right; }
.oc-bar-track { flex: 1; background: var(--oc-border-light); border-radius: 6px; height: 28px; overflow: hidden; }
.oc-bar-fill {
  height: 100%; border-radius: 6px;
  background: linear-gradient(90deg, var(--oc-primary), var(--oc-accent));
  display: flex; align-items: center; padding: 0 10px;
  font-size: 0.78rem; font-weight: 600; color: #fff; white-space: nowrap;
  transition: width 800ms ease;
}

/* === Summary Box (Key takeaway) === */
.oc-summary {
  background: linear-gradient(135deg, var(--oc-primary), var(--oc-primary-light));
  color: #fff; border-radius: var(--oc-radius-lg);
  padding: var(--oc-space-xl) var(--oc-space-2xl);
  margin-bottom: var(--oc-space-2xl);
}
.oc-summary h3 { color: var(--oc-accent-soft); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; border: none; padding: 0; margin: 0 0 var(--oc-space-sm); }
.oc-summary p { color: rgba(255,255,255,0.9); margin: 0; font-size: 1rem; }
.oc-summary ul { list-style: none; padding: 0; margin: var(--oc-space-md) 0 0; }
.oc-summary li { padding: 4px 0; color: rgba(255,255,255,0.85); font-size: 0.95rem; }
.oc-summary li::before { content: ''; display: inline-block; width: 6px; height: 6px; background: var(--oc-accent); border-radius: 50%; margin-right: 10px; vertical-align: middle; }

/* === Related Posts === */
.oc-related { margin-top: var(--oc-space-3xl); }
.oc-related h3 { font-size: 1.2rem; color: var(--oc-text); margin-bottom: var(--oc-space-lg); border: none; padding: 0; }
.oc-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--oc-space-lg); }

/* === TOC === */
.oc-toc {
  background: var(--oc-bg); border: 1px solid var(--oc-border);
  border-radius: var(--oc-radius-md); padding: var(--oc-space-lg) var(--oc-space-xl);
  margin-bottom: var(--oc-space-2xl);
}
.oc-toc-title { font-size: 0.85rem; font-weight: 600; color: var(--oc-text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--oc-space-md); }
.oc-toc ol { counter-reset: toc; padding-left: 0; list-style: none; }
.oc-toc li { counter-increment: toc; margin-bottom: 6px; }
.oc-toc li::before { content: counter(toc) "."; color: var(--oc-accent); font-weight: 600; margin-right: 8px; }
.oc-toc a { color: var(--oc-text-secondary); font-size: 0.92rem; }
.oc-toc a:hover { color: var(--oc-primary); }

/* === Hospital Search Page Styles === */
.oc-search-section { margin: var(--oc-space-2xl) 0; }
.oc-filter-bar {
  display: flex; flex-wrap: wrap; gap: var(--oc-space-md);
  padding: var(--oc-space-lg);
  background: var(--oc-bg-card); border-radius: var(--oc-radius-lg);
  box-shadow: var(--oc-shadow-sm); margin-bottom: var(--oc-space-xl);
}
.oc-select, .oc-input {
  padding: 10px 14px; border: 1.5px solid var(--oc-border);
  border-radius: var(--oc-radius-sm); font-size: 0.92rem;
  font-family: var(--oc-font-sans); color: var(--oc-text);
  background: var(--oc-bg); transition: border-color var(--oc-transition);
  min-height: 44px;
}
.oc-select:focus, .oc-input:focus { outline: none; border-color: var(--oc-accent); }
.oc-hospital-list { display: flex; flex-direction: column; gap: var(--oc-space-md); }
.oc-hospital-card {
  background: var(--oc-bg-card); border-radius: var(--oc-radius-md);
  padding: var(--oc-space-lg); box-shadow: var(--oc-shadow-sm);
  border: 1px solid var(--oc-border-light);
  transition: box-shadow var(--oc-transition);
}
.oc-hospital-card:hover { box-shadow: var(--oc-shadow-md); }
.oc-hospital-name { font-size: 1.05rem; font-weight: 700; color: var(--oc-text); margin-bottom: 4px; }
.oc-hospital-meta { font-size: 0.85rem; color: var(--oc-text-muted); }
.oc-hospital-addr { font-size: 0.9rem; color: var(--oc-text-secondary); margin-top: 6px; }
.oc-tag {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 0.75rem; font-weight: 500; background: var(--oc-accent-soft);
  color: var(--oc-primary); margin-right: 4px;
}
.oc-pagination { display: flex; justify-content: center; gap: 6px; margin-top: var(--oc-space-xl); flex-wrap: wrap; }
.oc-page-btn {
  min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--oc-border); border-radius: var(--oc-radius-sm);
  font-size: 0.88rem; color: var(--oc-text-secondary); background: var(--oc-bg-card);
  cursor: pointer; transition: all var(--oc-transition); text-decoration: none;
}
.oc-page-btn:hover, .oc-page-btn.active { background: var(--oc-primary); color: #fff; border-color: var(--oc-primary); }

/* === WP Block Theme Override for Single Posts === */
body.single .wp-site-blocks,
body.page .wp-site-blocks { padding-top: 0 !important; }
body.single .entry-content,
body.page .entry-content { max-width: var(--oc-max-w); margin: 0 auto; padding: 0 var(--oc-space-lg); }

/* Hide any leftover WP chrome */
.wp-block-post-author, .wp-block-post-date, .wp-block-post-terms,
.wp-block-comments, .wp-block-post-comments-form { display: none !important; }

/* === Print === */
@media print {
  .oc-header, .oc-footer, .oc-nav { display: none !important; }
  body { font-size: 12pt; }
}