/*
Theme Name: Wiki Grammar
Theme URI: https://kw.ne.kr
Author: Theme Author
Description: 한국어 문법 사전을 위한 위키사전 스타일 워드프레스 테마. 미니멀리즘과 SwiftUI 네이티브 디자인 적용.
Version: 1.0.11
License: GNU General Public License v2 or later
Text Domain: wiki-grammar
*/

/* ========================================
   1. CSS Custom Properties
   ======================================== */

:root {
  /* Colors — Light Mode */
  --color-bg: #F2F2F7;
  --color-surface: #FFFFFF;
  --color-surface-secondary: #F9F9FB;
  --color-accent: #007AFF;
  --color-accent-hover: #0056CC;
  --color-text-primary: #1C1C1E;
  --color-text-secondary: #8E8E93;
  --color-text-tertiary: #AEAEB2;
  --color-border: rgba(60, 60, 67, 0.12);
  --color-border-strong: rgba(60, 60, 67, 0.22);
  --color-separator: rgba(60, 60, 67, 0.08);
  --color-tag-beginner: #34C759;
  --color-tag-intermediate: #FF9500;
  --color-tag-advanced: #FF3B30;
  --color-example-bg: #F0F4FF;
  --color-example-border: #007AFF;
  --color-compare-bg: #FFF8F0;
  --color-compare-border: #FF9500;
  --color-header-bg: rgba(242, 242, 247, 0.85);
  --color-sidebar-bg: #FFFFFF;
  --color-code-bg: #F4F4F8;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Pretendard', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Menlo', 'Monaco', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.8125rem;
  --font-size-base: 0.9375rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 1.75rem;
  --font-size-title: 2rem;
  --line-height: 1.65;
  --line-height-tight: 1.3;

  /* Layout */
  --sidebar-width: 280px;
  --header-height: 52px;
  --content-max-width: 780px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* ========================================
   2. Dark Mode
   ======================================== */

/* Manual dark mode override */
[data-theme="dark"] {
  --color-bg: #000000;
  --color-surface: #1C1C1E;
  --color-surface-secondary: #2C2C2E;
  --color-accent: #0A84FF;
  --color-accent-hover: #409CFF;
  --color-text-primary: #F5F5F7;
  --color-text-secondary: #98989D;
  --color-text-tertiary: #636366;
  --color-border: rgba(255, 255, 255, 0.10);
  --color-border-strong: rgba(255, 255, 255, 0.18);
  --color-separator: rgba(255, 255, 255, 0.06);
  --color-example-bg: rgba(10, 132, 255, 0.10);
  --color-example-border: #0A84FF;
  --color-compare-bg: rgba(255, 149, 0, 0.10);
  --color-compare-border: #FF9F0A;
  --color-header-bg: rgba(0, 0, 0, 0.85);
  --color-sidebar-bg: #1C1C1E;
  --color-code-bg: #2C2C2E;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.20);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.30);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.40);
}

/* Auto dark mode: follows OS preference when no manual choice */
@media (prefers-color-scheme: dark) {
  [data-theme="auto"] {
    --color-bg: #000000;
    --color-surface: #1C1C1E;
    --color-surface-secondary: #2C2C2E;
    --color-accent: #0A84FF;
    --color-accent-hover: #409CFF;
    --color-text-primary: #F5F5F7;
    --color-text-secondary: #98989D;
    --color-text-tertiary: #636366;
    --color-border: rgba(255, 255, 255, 0.10);
    --color-border-strong: rgba(255, 255, 255, 0.18);
    --color-separator: rgba(255, 255, 255, 0.06);
    --color-example-bg: rgba(10, 132, 255, 0.10);
    --color-example-border: #0A84FF;
    --color-compare-bg: rgba(255, 149, 0, 0.10);
    --color-compare-border: #FF9F0A;
    --color-header-bg: rgba(0, 0, 0, 0.85);
    --color-sidebar-bg: #1C1C1E;
    --color-code-bg: #2C2C2E;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.20);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.30);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.40);
  }
}

/* ========================================
   2b. Theme Toggle Button
   ======================================== */

.theme-toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: 3px;
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-border-strong);
  border-radius: 22px;
  padding: 3px;
  -webkit-user-select: none;
  user-select: none;
}

.theme-toggle__option {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
  padding: 0;
  font-size: 0;
  line-height: 0;
}

.theme-toggle__option svg {
  width: 18px;
  height: 18px;
  display: block;
  pointer-events: none;
}

.theme-toggle__option.active {
  background: var(--color-accent);
  color: #FFFFFF;
  box-shadow: 0 1px 4px rgba(0, 122, 255, 0.3);
}

.theme-toggle__option:not(.active):hover {
  color: var(--color-text-primary);
  background: var(--color-border);
  transform: scale(1.08);
}

/* ========================================
   3. Reset & Base
   ======================================== */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ========================================
   4. Layout — Site Shell
   ======================================== */

.site-wrapper {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: auto 1fr auto;
}

/* 데스크탑에서 사이드바 배경 및 테두리가 하단까지 이어지도록 래퍼에 배경색 적용 */
@media (min-width: 769px) {
  .site-wrapper {
    background: linear-gradient(to right,
        var(--color-sidebar-bg) 0%,
        var(--color-sidebar-bg) var(--sidebar-width),
        var(--color-border) var(--sidebar-width),
        var(--color-border) calc(var(--sidebar-width) + 1px),
        transparent calc(var(--sidebar-width) + 1px));
  }
}

.sidebar-overlay {
  display: none;
}

/* ========================================
   5. Header
   ======================================== */

.site-header {
  grid-column: 1 / -1;
  position: relative;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header .site-branding {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.site-header .site-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.site-header .site-title a {
  color: inherit;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Search */
.header-search {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-lg);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform var(--transition-base) cubic-bezier(0.16, 1, 0.3, 1), opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: 10;
}

.site-header.search-active .header-search {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.header-search-inner {
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  position: relative;
  gap: var(--space-sm);
}

.header-search form {
  flex: 1;
}

.header-search input {
  width: 100%;
  height: 38px;
  padding: 0 var(--space-md) 0 40px;
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.header-search-category {
  padding: 0 var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url('data:image/svg+xml;utf8,<svg fill="none" stroke="%238E8E93" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><polyline points="6 9 12 15 18 9"/></svg>');
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  background-size: 14px;
  padding-right: var(--space-xl);
  max-width: 150px;
}

.header-search input:focus,
.header-search-category:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15);
}

.header-search input::placeholder {
  color: var(--color-text-tertiary);
}

.header-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-tertiary);
  pointer-events: none;
  z-index: 2;
}

.close-search-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.close-search-btn:hover {
  background: var(--color-separator);
  color: var(--color-text-primary);
}

.close-search-btn svg {
  width: 24px;
  height: 24px;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.menu-toggle:hover {
  background: var(--color-separator);
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
  display: block;
}

/* ========================================
   6. Sidebar
   ======================================== */

.site-sidebar {
  min-height: 100vh;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-sidebar-bg);
  border-right: 1px solid var(--color-border);
}

/* WordPress admin bar offset */
body.admin-bar .site-sidebar {
  padding-top: calc(32px + var(--space-lg));
}

.sidebar-section {
  margin-bottom: var(--space-lg);
}

.sidebar-section-title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  padding: 0 var(--space-sm);
  margin-bottom: var(--space-sm);
}

.sidebar-nav {
  list-style: none;
}

.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 7px var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.sidebar-nav li a:hover {
  background: var(--color-separator);
  color: var(--color-accent);
}

.sidebar-nav li a.active {
  background: rgba(0, 122, 255, 0.10);
  color: var(--color-accent);
  font-weight: 600;
}

/* Level Tags in sidebar */
.level-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: 4px;
  line-height: 1.4;
}

.level-tag.beginner {
  background: rgba(52, 199, 89, 0.12);
  color: var(--color-tag-beginner);
}

.level-tag.intermediate {
  background: rgba(255, 149, 0, 0.12);
  color: var(--color-tag-intermediate);
}

.level-tag.advanced {
  background: rgba(255, 59, 48, 0.12);
  color: var(--color-tag-advanced);
}

/* ========================================
   7. Main Content
   ======================================== */

.site-main {
  flex: 1;
  min-width: 0;
  padding-top: var(--space-xl);
  padding-left: var(--space-xl);
  padding-right: var(--space-xl);
  padding-bottom: var(--space-2xl);
}

.content-wrapper {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* ========================================
   8. Entry Header (Grammar Title)
   ======================================== */

.entry-header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.entry-title {
  font-size: var(--font-size-title);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.entry-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.entry-meta .meta-item {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* 포스트 발행일 (SEO: <time> 태그) — 화면·인쇄 모두 숨김 */
.entry-date {
  display: none !important;
}

.entry-date::before {
  display: none !important;
}


/* Entry Action Buttons (Copy Link, Print) */
.copy-link-btn,
.print-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.copy-link-btn {
  margin-left: auto;
}

.copy-link-btn svg,
.print-btn svg {
  width: 16px;
  height: 16px;
  display: block;
}

.copy-link-btn:hover,
.print-btn:hover {
  color: var(--color-accent);
  background: var(--color-surface);
  border-color: var(--color-accent);
}

.copy-link-btn.copied {
  color: #34C759;
  border-color: #34C759;
  background: rgba(52, 199, 89, 0.05);
}

.copy-link-btn.copied .icon-copy {
  display: none;
}

.copy-link-btn.copied .icon-check {
  display: block !important;
  animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
  color: #34C759;
}

@keyframes popIn {
  0% {
    transform: scale(0.5);
    opacity: 0;
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ========================================
   9. Table of Contents (In-article)
   ======================================== */

.toc-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xl);
  transition: opacity var(--transition-base), transform var(--transition-base), max-height var(--transition-base);
}

.toc-block.hidden {
  display: none !important;
}

.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.toc-block .toc-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}

.close-toc-btn {
  background: none;
  border: none;
  color: var(--color-text-tertiary);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.close-toc-btn:hover {
  background: var(--color-separator);
  color: var(--color-text-primary);
}

.close-toc-btn svg {
  width: 16px;
  height: 16px;
}

.toc-block ol {
  list-style: none;
  counter-reset: toc-counter;
}

.toc-block ol li {
  counter-increment: toc-counter;
}

.toc-block ol li a {
  display: block;
  padding: 5px 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-separator);
  transition: color var(--transition-fast);
}

.toc-block ol li a::before {
  content: counter(toc-counter) ".";
  margin-right: var(--space-sm);
  color: var(--color-text-tertiary);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.toc-block ol li:last-child a {
  border-bottom: none;
}

.toc-block ol li a:hover {
  color: var(--color-accent);
}

/* ========================================
   10. Content Sections
   ======================================== */

.grammar-section {
  margin-bottom: var(--space-2xl);
  line-height: var(--line-height);
}

.grammar-section:last-child {
  margin-bottom: 0;
}

.grammar-section h2,
.section-heading {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-text-primary);
  margin: var(--space-md) 0 var(--space-sm) 0;
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.grammar-section h2:first-child,
.section-heading:first-child {
  margin-top: 0;
}

.grammar-section p {
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
}

.grammar-section p:last-child {
  margin-bottom: 0;
}

/* Fix for list markers overflowing due to global reset */
.entry-content ul,
.entry-content ol,
.grammar-section ul,
.grammar-section ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
}

.entry-content ul li,
.entry-content ol li,
.grammar-section ul li,
.grammar-section ol li {
  margin-bottom: var(--space-xs);
}

.entry-content ul li:last-child,
.entry-content ol li:last-child,
.grammar-section ul li:last-child,
.grammar-section ol li:last-child {
  margin-bottom: 0;
}

/* Highlighted key grammar pattern */
.grammar-highlight {
  display: inline;
  padding: 2px 8px;
  background: rgba(0, 122, 255, 0.08);
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--color-accent);
  font-family: var(--font-family);
}

/* ========================================
   10b. Default Table Styles (클래스 없이 기본 적용)
   ======================================== */

.entry-content table,
.section-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-md);
}

/* thead가 있는 경우 */
.entry-content table thead th,
.section-body table thead th {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  background: var(--color-surface-secondary);
  border-bottom: 1px solid var(--color-border);
}

/* thead 없이 바로 tr>th 사용하는 경우 (Apps Script processForm) */
.entry-content table th,
.section-body table th {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-surface-secondary);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.entry-content table td,
.section-body table td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-separator);
  color: var(--color-text-primary);
  vertical-align: top;
}

.entry-content table tr:last-child td,
.section-body table tr:last-child td,
.entry-content table tr:last-child th,
.section-body table tr:last-child th {
  border-bottom: none;
}

.entry-content table tr:hover,
.section-body table tr:hover {
  background: var(--color-surface-secondary);
}

.entry-content table caption,
.section-body table caption {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  padding: var(--space-md) var(--space-md) var(--space-sm);
  text-align: left;
  caption-side: top;
}

/* ========================================
   10c. Section-specific Adjustments
   ======================================== */

.grammar-form {
  margin-bottom: var(--space-xl);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 0;
  padding-bottom: var(--space-xs);
  /* Slight padding so scrollbar doesn't clip table border */
}

/* Match scrollbar style with comparison-grid */
.table-responsive::-webkit-scrollbar {
  height: 4px;
}

.table-responsive::-webkit-scrollbar-track {
  background: transparent;
}

.table-responsive::-webkit-scrollbar-thumb {
  background: var(--color-text-tertiary);
  border-radius: 2px;
}

.table-responsive table {
  margin-bottom: 0;
  min-width: max-content;
}

.table-responsive th,
.table-responsive td {
  white-space: nowrap !important;
}

.grammar-combination {
  margin-bottom: 0 !important;
}

.grammar-combination h2:first-child {
  margin-top: var(--space-md) !important;
}

/* 결합 (Сочетание) Chips */
.combination-chips-wrapper {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
  margin-bottom: 0;
  overflow-x: auto;
  padding-bottom: 4px;
  /* Space for hover shadows/scrollbars */
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  /* Firefox */
}

.combination-chips-wrapper::-webkit-scrollbar {
  display: none;
  /* Safari and Chrome */
}

.combination-chips-wrapper:last-child {
  margin-bottom: 0;
}

.combination-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  /* Fully rounded "capsule" look common in SwiftUI */
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.combination-chip:hover {
  background: var(--color-surface-secondary);
  border-color: var(--color-border-strong);
}

/* 예문 박스 (.example-box) — 인라인 스타일 보강 */
.entry-content .example-box {
  background: var(--color-example-bg) !important;
  border-left: 3px solid var(--color-example-border);
  border-radius: 0 var(--radius-md) var(--radius-md) 0 !important;
  padding: var(--space-md) var(--space-lg) !important;
}

.entry-content .example-box ol {
  list-style: none;
  counter-reset: example-counter;
  margin: 0;
  padding: 0;
}

.entry-content .example-box ol li {
  counter-increment: example-counter;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-separator);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  line-height: var(--line-height);
}

.entry-content .example-box ol li::before {
  content: counter(example-counter) ".";
  margin-right: var(--space-sm);
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.entry-content .example-box ol li:last-child {
  border-bottom: none;
}

.entry-content .example-box ol li i {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ========================================
   11. Tables (표1, 표2)
   ======================================== */

.grammar-table-wrapper {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.grammar-table-wrapper .table-caption {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  padding: var(--space-md) var(--space-md) 0;
}

.grammar-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.grammar-table thead th {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  background: var(--color-surface-secondary);
  border-bottom: 1px solid var(--color-border);
}

.grammar-table tbody td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-separator);
  color: var(--color-text-primary);
  vertical-align: top;
}

.grammar-table tbody tr:last-child td {
  border-bottom: none;
}

.grammar-table tbody tr:hover {
  background: var(--color-surface-secondary);
}

.grammar-table .cell-highlight {
  color: var(--color-accent);
  font-weight: 600;
}

/* Responsive table scroll */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ========================================
   12. Example Sentences (예문)
   ======================================== */

.example-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.example-item {
  background: var(--color-example-bg);
  border-left: 3px solid var(--color-example-border);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-md) var(--space-lg);
}

.example-item .example-korean {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
  line-height: var(--line-height);
}

.entry-content .highlight,
.grammar-section .highlight {
  color: var(--color-accent) !important;
  text-decoration: underline;
  text-decoration-color: rgba(0, 122, 255, 0.3);
  text-underline-offset: 3px;
}

.example-item .example-translation {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-style: italic;
}

.example-item .example-note {
  margin-top: var(--space-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

/* — Audio-enabled examples (Чтение) */

.example-item.has-audio {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.example-item.has-audio .example-content {
  flex: 1;
  min-width: 0;
}

.example-audio-btn {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast),
    transform var(--transition-fast), box-shadow var(--transition-fast);
}

.example-audio-btn:hover {
  background: var(--color-accent);
  color: #FFFFFF;
  transform: scale(1.08);
  box-shadow: 0 2px 8px rgba(0, 122, 255, 0.25);
}

.example-audio-btn.playing {
  background: var(--color-accent);
  color: #FFFFFF;
  animation: audioPulse 1.2s ease-in-out infinite;
}

@keyframes audioPulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(0, 122, 255, 0.4);
  }

  50% {
    box-shadow: 0 0 0 8px rgba(0, 122, 255, 0);
  }
}

.example-audio-btn svg {
  width: 18px;
  height: 18px;
  display: block;
  pointer-events: none;
}

/* ========================================
   13. Comparison Cards (다른 문법과 비교)
   ======================================== */

.comparison-grid {
  display: flex;
  gap: var(--space-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
  padding-bottom: var(--space-sm);
}

.comparison-grid::-webkit-scrollbar {
  height: 4px;
}

.comparison-grid::-webkit-scrollbar-track {
  background: transparent;
}

.comparison-grid::-webkit-scrollbar-thumb {
  background: var(--color-text-tertiary);
  border-radius: 2px;
}

.comparison-card {
  flex: 1 0 240px;
  min-width: 240px;
  scroll-snap-align: start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: box-shadow var(--transition-base);
}

.comparison-card:hover {
  box-shadow: var(--shadow-md);
}

.comparison-card .card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-separator);
}

.comparison-card .card-grammar {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-accent);
}

.comparison-card .card-body {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  line-height: var(--line-height);
}

.comparison-card .card-body p {
  margin-bottom: var(--space-sm);
}

.comparison-card .card-example {
  margin-top: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface-secondary);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-style: italic;
}

/* ========================================
   14. Post List / Archive (index.php)
   ======================================== */

.post-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.post-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.post-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.post-card .post-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
  letter-spacing: -0.01em;
}

.post-card .post-card-title a {
  color: inherit;
}

.post-card .post-card-title a:hover {
  color: var(--color-accent);
}

.post-card .post-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height);
  margin-bottom: var(--space-sm);
}

.post-card .post-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ========================================
   15. Footer
   ======================================== */

.site-footer {
  grid-column: 1 / -1;
  padding: var(--space-md) var(--space-xl);
  background: var(--color-surface-secondary);
  border-top: 1px solid var(--color-border);
}

.site-footer .footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.site-footer .footer-content span {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  font-weight: 400;
}

.site-footer .footer-left {
  flex: 1;
  text-align: left;
}

.site-footer .footer-center {
  flex: 1;
  text-align: center;
}

.site-footer .footer-right {
  flex: 1;
  text-align: right;
}

.site-footer .footer-right a {
  color: inherit;
  text-decoration: none;
}

.site-footer .footer-right a:hover {
  text-decoration: underline;
}

/* ========================================
   15b. WordPress Default Widget Styles
   ======================================== */

/* Widget titles (h2, h3 rendered by WP widgets) */
.site-sidebar .widget h2,
.site-sidebar .widget h3,
.site-sidebar .widget-title,
.site-sidebar .wp-block-heading {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  padding: 0 var(--space-sm);
  margin-bottom: var(--space-sm);
  border: none;
  background: none;
}

/* Widget lists (Recent Posts, Categories, Archives, Pages, etc.) */
.site-sidebar .widget ul,
.site-sidebar .widget ol,
.site-sidebar .widget ul li,
.site-sidebar .widget ol li,
.site-sidebar .widget ul ul,
.site-sidebar .widget ol ol {
  list-style: none !important;
  margin: 0;
  padding: 0;
}

.site-sidebar .widget ul li a,
.site-sidebar .widget ol li a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  width: 100%;
}

.site-sidebar .widget ul li a:hover,
.site-sidebar .widget ol li a:hover {
  background: var(--color-separator);
  color: var(--color-accent);
}

/* ========================================
   15d. Sidebar Navigation Menu Hierarchy (SwiftUI Style)
   ======================================== */

.site-sidebar .widget_nav_menu ul.menu,
.site-sidebar .sidebar-nav {
  display: flex !important;
  flex-direction: column !important;
  gap: 4px !important;
}

/* Top-level Parent Items (SwiftUI Section Header style) */
.site-sidebar .widget_nav_menu ul.menu>li,
.site-sidebar .sidebar-nav>li {
  margin-bottom: var(--space-xs);
}

.site-sidebar .widget_nav_menu ul.menu>li>a,
.site-sidebar .sidebar-nav>li>a {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  padding: 8px 10px 4px;
  width: 100%;
  pointer-events: none;
  /* Make parents unclickable as they act like headers */
}

/* Sub-menus (Hierarchy level 2+) */
.site-sidebar .widget_nav_menu ul.sub-menu,
.site-sidebar .sidebar-nav ul.sub-menu {
  display: flex !important;
  flex-direction: column !important;
  gap: 2px !important;
  margin-top: 0 !important;
  padding-left: 0 !important;
  list-style: none !important;
}

/* Sub-menu items */
.site-sidebar .widget_nav_menu ul.sub-menu li a,
.site-sidebar .sidebar-nav ul.sub-menu li a {
  font-size: var(--font-size-sm) !important;
  font-weight: 500;
  color: var(--color-text-primary);
  padding: 6px 10px 6px 16px !important;
  /* Left indent for children */
  border-radius: 6px;
  width: 100%;
  text-transform: none;
  letter-spacing: normal;
  pointer-events: auto;
  /* Ensure children are clickable */
  transition: background 0.15s ease, color 0.15s ease;
}

/* Sub-menu hover */
.site-sidebar .widget_nav_menu ul.sub-menu li a:hover,
.site-sidebar .sidebar-nav ul.sub-menu li a:hover {
  background: var(--color-separator);
}

/* Active Sub-menu item */
.site-sidebar .widget_nav_menu ul.sub-menu li.current-menu-item>a,
.site-sidebar .sidebar-nav ul.sub-menu li.current-menu-item>a {
  background: rgba(0, 122, 255, 0.1);
  color: var(--color-accent);
  font-weight: 600;
}

/* Search widget */
.site-sidebar .widget_search label,
.site-sidebar .wp-block-search__label {
  display: none;
}

.site-sidebar .widget_search form,
.site-sidebar .wp-block-search {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding: 0 var(--space-sm);
}

.site-sidebar .widget_search input[type="search"],
.site-sidebar .widget_search input[type="text"],
.site-sidebar .wp-block-search__input {
  flex: 1;
  min-width: 0;
  height: 34px;
  padding: 0 var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-sidebar .widget_search input[type="search"]:focus,
.site-sidebar .widget_search input[type="text"]:focus,
.site-sidebar .wp-block-search__input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15);
}

.site-sidebar .widget_search input[type="submit"],
.site-sidebar .wp-block-search__button {
  height: 34px;
  padding: 0 var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast);
}

.site-sidebar .widget_search input[type="submit"]:hover,
.site-sidebar .wp-block-search__button:hover {
  background: var(--color-accent-hover);
}

/* Recent Comments — Classic widget (widget_recent_comments) */
.site-sidebar .widget_recent_comments ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-sidebar .widget_recent_comments ul li.recentcomments {
  display: block;
  padding: 7px var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-separator);
  line-height: var(--line-height);
}

.site-sidebar .widget_recent_comments ul li.recentcomments:last-child {
  border-bottom: none;
}

.site-sidebar .widget_recent_comments .comment-author-link {
  font-weight: 600;
  color: var(--color-text-primary);
}

.site-sidebar .widget_recent_comments ul li.recentcomments a,
.site-sidebar .widget_recent_comments ul li.recentcomments span a {
  display: inline !important;
  padding: 0 !important;
  font-size: inherit;
  color: var(--color-accent);
  gap: 0;
}

.site-sidebar .widget_recent_comments ul li.recentcomments a:hover {
  background: none;
  text-decoration: underline;
}

/* Recent Comments — Block widget (wp-block-latest-comments) */
.site-sidebar .wp-block-latest-comments {
  list-style: none;
  margin: 0;
  padding: 0 !important;
}

.site-sidebar .wp-block-latest-comments li {
  padding: 7px var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-separator);
  line-height: var(--line-height);
}

.site-sidebar .wp-block-latest-comments li:last-child {
  border-bottom: none;
}

/* Make article and footer inline so everything flows on one line */
.site-sidebar .wp-block-latest-comments__comment article,
.site-sidebar .wp-block-latest-comments__comment-meta {
  display: inline;
}

.site-sidebar .wp-block-latest-comments__comment-author {
  font-weight: 600;
  color: var(--color-text-primary);
}

.site-sidebar .wp-block-latest-comments__comment-author,
.site-sidebar .wp-block-latest-comments__comment-link {
  display: inline !important;
  padding: 0 !important;
  font-size: inherit;
  color: var(--color-accent);
  gap: 0;
}

.site-sidebar .wp-block-latest-comments__comment-link:hover,
.site-sidebar .wp-block-latest-comments__comment-author:hover {
  background: none;
  text-decoration: underline;
}

/* Calendar widget */
.site-sidebar .widget_calendar table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-xs);
  margin: 0 var(--space-sm);
}

.site-sidebar .widget_calendar th,
.site-sidebar .widget_calendar td {
  padding: var(--space-xs);
  text-align: center;
  color: var(--color-text-primary);
}

/* Tag cloud */
.tagcloud,
.wp-block-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tagcloud a,
.wp-block-tag-cloud a {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: var(--font-size-xs) !important;
  font-weight: 600;
  color: #fff;
  background: var(--color-surface-secondary);
  border: none;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.tagcloud a:hover,
.wp-block-tag-cloud a:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  filter: brightness(1.1);
}

/* 카테고리 (단일 색상) */
.tagcloud a.tag-category,
.wp-block-tag-cloud a.tag-category {
  background: #666666;
  color: #ffffff;
}

/* 태그 무지개 색상 규칙 (파스텔 톤 / 채도 낮춤) */
/* 빨강 (Red) */
.tagcloud a[class*="tag-link-"][class$="1"],
.wp-block-tag-cloud a[class*="tag-link-"][class$="1"],
.tagcloud a[class*="tag-link-"][class$="8"],
.wp-block-tag-cloud a[class*="tag-link-"][class$="8"] {
  background: #FFE5E5;
  color: #D32F2F;
}

/* 주황 (Orange) */
.tagcloud a[class*="tag-link-"][class$="2"],
.wp-block-tag-cloud a[class*="tag-link-"][class$="2"],
.tagcloud a[class*="tag-link-"][class$="9"],
.wp-block-tag-cloud a[class*="tag-link-"][class$="9"] {
  background: #FFF0E0;
  color: #E65100;
}

/* 노랑 (Yellow) */
.tagcloud a[class*="tag-link-"][class$="3"],
.wp-block-tag-cloud a[class*="tag-link-"][class$="3"],
.tagcloud a[class*="tag-link-"][class$="0"],
.wp-block-tag-cloud a[class*="tag-link-"][class$="0"] {
  background: #FFF9C4;
  color: #F57F17;
}

/* 초록 (Green) */
.tagcloud a[class*="tag-link-"][class$="4"],
.wp-block-tag-cloud a[class*="tag-link-"][class$="4"] {
  background: #E8F5E9;
  color: #2E7D32;
}

/* 파랑 (Blue) */
.tagcloud a[class*="tag-link-"][class$="5"],
.wp-block-tag-cloud a[class*="tag-link-"][class$="5"] {
  background: #E3F2FD;
  color: #1565C0;
}

/* 남색 (Indigo) */
.tagcloud a[class*="tag-link-"][class$="6"],
.wp-block-tag-cloud a[class*="tag-link-"][class$="6"] {
  background: #E8EAF6;
  color: #3949AB;
}

/* 보라 (Purple) */
.tagcloud a[class*="tag-link-"][class$="7"],
.wp-block-tag-cloud a[class*="tag-link-"][class$="7"] {
  background: #F3E5F5;
  color: #7B1FA2;
}

/* ========================================
   16. WordPress Utilities
   ======================================== */

.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  word-wrap: normal !important;
}

.alignleft {
  float: left;
  margin: 0 var(--space-md) var(--space-md) 0;
}

.alignright {
  float: right;
  margin: 0 0 var(--space-md) var(--space-md);
}

.aligncenter {
  display: block;
  margin: 0 auto var(--space-md);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.pagination a:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.pagination .current {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* ========================================
   17. Responsive — Mobile
   ======================================== */

@media (max-width: 768px) {
  :root {
    --header-height: 48px;
  }

  .site-wrapper {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: block;
  }

  .header-search {
    padding: 0 var(--space-md);
  }

  .site-sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    width: 280px;
    min-width: 280px;
    height: calc(100vh - var(--header-height));
    height: calc(100dvh - var(--header-height));
    z-index: 90;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    background: var(--color-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }

  .site-sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    top: var(--header-height);
    right: 0;
    bottom: 0;
    left: 0;
    height: calc(100vh - var(--header-height));
    height: calc(100dvh - var(--header-height));
    background: rgba(0, 0, 0, 0.3);
    z-index: 80;
  }

  .sidebar-overlay.active {
    display: block;
  }

  .site-main {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
    padding-bottom: var(--space-md);
  }

  .entry-title {
    font-size: var(--font-size-xl);
  }

  .grammar-table {
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 480px) {
  .header-search {
    padding: var(--space-md) var(--space-md);
    height: auto;
    min-height: calc(var(--header-height) + 50px);
  }

  .header-search-inner {
    align-items: flex-start;
  }

  .header-search form {
    flex-direction: column;
    width: 100%;
  }

  .header-search-category {
    max-width: 100%;
    width: 100%;
    height: 38px;
    margin-bottom: var(--space-xs);
  }

  .header-search input {
    width: 100%;
    height: 38px;
  }

  .close-search-btn svg {
    width: 20px;
    height: 20px;
  }

  .site-main {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
    padding-bottom: var(--space-sm);
  }

  .entry-title {
    font-size: var(--font-size-lg);
  }

  .example-item {
    padding: var(--space-sm) var(--space-md);
  }

  .comparison-card {
    padding: var(--space-md);
  }
}

/* ========================================
   18. Animations
   ======================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.grammar-section {
  animation: fadeIn 0.4s ease both;
}

.grammar-section:nth-child(2) {
  animation-delay: 0.06s;
}

.grammar-section:nth-child(3) {
  animation-delay: 0.12s;
}

.grammar-section:nth-child(4) {
  animation-delay: 0.18s;
}

.grammar-section:nth-child(5) {
  animation-delay: 0.24s;
}

/* ========================================
   19. Print Styles
   ======================================== */

@media print {
  @page {
    margin-bottom: 0px;
  }

  .site-header,
  .site-sidebar,
  .menu-toggle,
  .sidebar-overlay,
  .copy-link-btn,
  .print-btn,
  .toc-block,
  .post-navigation {
    display: none !important;
  }

  .site-wrapper {
    display: block;
  }

  .site-content-area {
    display: block;
  }

  .site-main {
    padding: 0;
  }

  .entry-header {
    padding-right: 80px;
  }

  .print-qrcode {
    display: block !important;
    position: absolute;
    top: 0;
    right: 0;
  }

  body {
    font-size: 11pt;
    color: #000;
    background: #fff;
  }

  .grammar-table-wrapper,
  .comparison-card,
  .example-item {
    break-inside: avoid;
  }

  .combination-chips-wrapper {
    flex-wrap: wrap !important;
    overflow-x: visible !important;
  }

  .combination-chip {
    background-color: #ffffff !important;
    border-color: #e5e5ea !important;
    /* var(--color-border) approximation for light mode */
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .site-footer {
    display: none !important;
  }
}

/* ========================================
   20. Static Front Page Overrides
   ======================================== */

/* Hide the entry-header (page title) on the front page */
body.home.page .entry-header {
  display: none;
}

/* Let the search container fill from the top */
body.home.page .front-page-search-container {
  padding-top: 0;
  margin-top: 0;
}

/* Center the content vertically on the front page */
body.home.page .site-main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - var(--header-height));
  /* Account for header height */
}

body.home.page .content-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  flex: 1;
}

/* ========================================
   21. УПФОРМА — 활용형 연습 표
   ======================================== */

/* ── 연습 표 wrapper */
.upforma-practice {
  margin-bottom: var(--space-xl);
  overflow-x: auto;
}

/* ── 연습 표 — 26pt 고정, 둥근 테두리 제거, 균일한 상하좌우 테두리 */
.upforma-table {
  width: 100%;
  border-collapse: collapse;
  font-size: clamp(12pt, 2.5vw, 18pt) !important;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: 0 !important;
}

/* 행 경계 테두리 없음 (셀 테두리로 대체) */
.upforma-table tbody tr {
  border: none;
}

/* 원형 칸 — 왼쪽 열, 가운데 정렬, 균일 테두리 */
.upforma-original {
  width: 40%;
  padding: 0.6em 1em;
  text-align: center;
  vertical-align: middle;
  font-weight: 500;
  border: 1px solid var(--color-border-strong);
}

/* 쓰기칸 — 오른쪽 열, 왼쪽 정렬, 균일 테두리 */
.upforma-writing {
  width: 60%;
  padding: 0.6em 1em;
  text-align: left;
  vertical-align: middle;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-strong);
}

/* 러시아어 텍스트 */
.upforma-russian {
  color: var(--color-accent);
  font-weight: 400;
}

/* ── 정답 표 wrapper */
.upforma-answer {
  margin-top: var(--space-2xl, 2.5rem);
  padding-top: var(--space-lg);
  border-top: 2px dashed var(--color-border-strong);
}

/* 구분선 위/아래 여백을 대칭으로 유지 */
.upforma-answer .upforma-answer-table {
  margin-top: var(--space-lg);
}

/* 정답 2열 표 — 요소와 동일하게 균일 테두리, 26pt 고정, 둥근 테두리 제거 */
.upforma-answer-table {
  width: 100%;
  border-collapse: collapse;
  font-size: clamp(12pt, 2.5vw, 18pt) !important;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: 0 !important;
}

/* 정답 셀 균일 테두리 */
.upforma-ans-cell {
  width: 50%;
  padding: 0.5em 1em;
  vertical-align: middle;
  border: 1px solid var(--color-border-strong);
}

/* УПФОРМА - 보조 러시아어 텍스트 (같은 셀 내 두번째 줄) */
.upforma-russian-sub {
  font-style: italic;
  color: var(--color-text-secondary);
  font-size: 0.65em;
  font-weight: 400;
  display: block;
  margin-top: 4px;
}

/* ── 인쇄 전용 */
@media print {
  .print-new-page {
    page-break-before: always;
    break-before: page;
    border-top: none;
    padding-top: 0;
    margin-top: 0;
  }

  .print-new-page .upforma-answer-table {
    margin-top: 0;
  }

  .upforma-table,
  .upforma-answer-table {
    font-size: clamp(12pt, 2.5vw, 18pt) !important;
  }

  .upforma-table tbody tr,
  .upforma-answer-table tr {
    break-inside: avoid;
  }

  /* 쓰기칸: 인쇄 시 우측 여백 더 확보 */
  .upforma-writing {
    min-width: 260px;
  }
}

/* ========================================
   22. УПЧТЕНИЕ — 읽기 문제 (수능 스타일)
   ======================================== */

/* ── 전체 래퍼 */
.upchetenie-entry {
  font-family: var(--font-family);
  width: 100%;
}

/* ── 지문+질문 묶음 블록 (지문이 여러 개일 때 구분) */
.upchetenie-block {
  margin-bottom: 2.4em;
  padding-bottom: 1.6em;
}

.upchetenie-block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

/* ── 지문 박스 — 수능 시험지 스타일 */
.upchetenie-passage {
  background: var(--color-surface-secondary, #f5f5f7);
  border: 1.5px solid var(--color-border-strong, #c0c0c8);
  border-radius: 4px;
  padding: 1.2em 1.5em;
  margin-bottom: 1.6em;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text-primary);
  white-space: pre-wrap;
  word-break: keep-all;
}

/* ── 개별 질문 블록 */
.upchetenie-question {
  margin-bottom: 1.4em;
}

/* ── 질문 텍스트 줄 */
.upchetenie-q-text {
  display: flex;
  align-items: baseline;
  gap: 0.4em;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 0.55em;
  line-height: 1.5;
  word-break: keep-all;
}

/* ── 질문 번호 1. 2. 3. */
.upchetenie-q-num {
  flex-shrink: 0;
  min-width: 1.8em;
  font-size: 1rem;
  color: var(--color-accent, #007aff);
  font-weight: 700;
}

/* ── 선택지 기본 배열: 2x2 */
.upchetenie-choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35em 0.9em;
  padding-left: 0.2em;
  align-items: start;
  justify-content: space-between;
}

/* 텍스트 짧고 화면이 충분히 넓은 경우: 1행 4열 */
.upchetenie-choices.layout-row {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* 텍스트가 긴 경우: 1열 4행 */
.upchetenie-choices.layout-col {
  grid-template-columns: 1fr;
}

/* ── 개별 선택지 (클릭 가능) */
.upchetenie-choice {
  display: flex;
  align-items: center;
  gap: 0.25em;
  font-size: 0.95rem;
  color: var(--color-text-primary);
  white-space: normal;
  cursor: pointer;
  padding: 0.25em 0.5em;
  border-radius: 4px;
  border: 1.5px solid transparent;
  transition: background 0.15s, border-color 0.15s;
  user-select: none;
}

.upchetenie-choice:hover {
  background: var(--color-separator, rgba(0, 0, 0, 0.05));
  border-color: var(--color-border, #d0d0d8);
}

/* 선택됨 */
.upchetenie-choice.selected {
  background: rgba(0, 122, 255, 0.08);
  border-color: var(--color-accent, #007aff);
  color: var(--color-accent, #007aff);
  font-weight: 600;
}

/* 정답 */
.upchetenie-choice.correct {
  background: rgba(52, 199, 89, 0.12);
  border-color: #34c759;
  color: #1a7f35;
  font-weight: 600;
}

/* 오답 */
.upchetenie-choice.wrong {
  background: rgba(255, 59, 48, 0.10);
  border-color: #ff3b30;
  color: #c0392b;
  text-decoration: line-through;
}

/* ── 선택지 원형 번호 ① ② ③ ④ */
.upchetenie-choice .choice-num {
  font-size: 1rem;
  color: inherit;
  font-weight: 500;
  flex-shrink: 0;
}

/* ── 반응형 — 모바일: 선택지 줄바꿈 */
@media (max-width: 480px) {
  .upchetenie-passage {
    font-size: 0.93rem;
    padding: 1em 1.1em;
  }

  .upchetenie-q-text {
    font-size: 0.93rem;
  }

  .upchetenie-choices {
    grid-template-columns: 1fr;
    gap: 0.25em;
    align-items: stretch;
    text-align: left;
  }

  .upchetenie-choice {
    justify-content: flex-start;
    text-align: left;
  }
}

/* ── 인쇄: 퀴즈 UI 숨김, 지문만 출력 */
@media print {
  .upchetenie-passage {
    border: 1.5px solid #000;
    background: #fff !important;
  }

  .upchetenie-question {
    break-inside: avoid;
  }

  /* 선택지·버튼·결과 전체 숨김 */
  .upchetenie-quiz-ui {
    display: none !important;
  }
}

/* ── 정답 확인 버튼 */
.upchetenie-check-btn {
  display: block;
  margin-top: 1.4em;
  padding: 0.55em 1.8em;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background: var(--color-accent, #007aff);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.upchetenie-check-btn:hover {
  background: var(--color-accent-hover, #005ecb);
  transform: translateY(-1px);
}

.upchetenie-check-btn:active {
  transform: translateY(0);
}

/* ── 결과 영역 */
.upchetenie-result {
  display: flex;
  align-items: center;
  gap: 0.8em;
  flex-wrap: wrap;
  margin-top: 1.2em;
  padding: 0.8em 1.2em;
  background: var(--color-surface-secondary, #f5f5f7);
  border: 1px solid var(--color-border, #d0d0d8);
  border-radius: 8px;
}

.result-score {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text-primary);
}

.result-pct {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-right: 0.5em;
}

/* ── 다시 풀기 버튼 */
.upchetenie-reset-btn {
  padding: 0.35em 1em;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent, #007aff);
  background: transparent;
  border: 1.5px solid var(--color-accent, #007aff);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}

.upchetenie-reset-btn:hover {
  background: rgba(0, 122, 255, 0.08);
}