/* ============================
   공통 스타일 (교직원용 사이트)
   ============================ */

/* 박스 모델 통일 */
* {
  box-sizing: border-box;
}

/* 컬러 변수 느낌으로 통일해서 사용 */
:root {
  --bg-body: #f5f5f7;
  --bg-card: #ffffff;

--bg-soft: #eef2f6;
--primary-soft: #eef2f6;
--primary: #d6e0ea;


  --border: #e4dfe8;
  --text-main: #111111;
  --text-muted: #777777;

  --shadow-soft: 0 6px 18px rgba(0, 0, 0, 0.05);
}

/* 기본 타이포 & 반응형 글자 크기 */
html {
  font-size: 16px;
}

@media (max-width: 600px) {
  html {
    : 15px;
  }
}

body {
  margin: 0;
  padding: 0;
  background: var(--bg-body);
  color: var(--text-main);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Apple SD Gothic Neo", "Noto Sans KR", "맑은 고딕", sans-serif;
  line-height: 1.6;
  word-break: keep-all;
}

/* 링크 */
a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* 레이아웃 기본 골격 */
.layout-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================
   헤더
   ============================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid #e5e5ea;
}

.site-header-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ✅ 좌측 상단 타이틀: 1.5배 */
.site-title {
  display: inline-block; /* 타이틀이 a 태그여도 안정 */
  font-size: 1.75em;
  line-height: 1.2;
  font-weight: 700; /* 가독성 보정(필요 없으면 지워도 됨) */
}

@media (max-width: 600px) {
  .site-title {
    font-size: 1.5em;
  }
}

.site-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.site-nav a {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 1rem;
  border: 1px solid transparent;
  background: transparent;
  text-decoration: none;
}

.site-nav a:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
}

.site-nav a.is-active {
  background: var(--primary);
  border-color: var(--primary);
}

/* ============================
   메인
   ============================ */
.main-content {
  flex: 1;
}

.page-wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 24px 16px 32px;
}

/* 섹션 제목 공통 */
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.page-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ============================
   푸터
   ============================ */
.site-footer {
  border-top: 1px solid #e5e5ea;
  background: #ffffff;
}

.site-footer-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 10px 16px 16px;
  font-size: 0.8rem;
  color: #666666;
  text-align: center;
}

/* ============================
   1) 홈 - 카드형 레이아웃
   ============================ */
.home-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 900px) {
  .home-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .home-grid {
    grid-template-columns: 1fr;
  }
}

.home-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 16px 18px;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.home-card-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--primary-soft);
  color: #333333;
}

.home-card-title {
  font-size: 1.02rem;
  font-weight: 600;
}

.home-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.home-card-footer {
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================
   2) 문서 포털 레이아웃
   ============================ */
.docs-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .docs-layout {
    grid-template-columns: 1fr;
  }
}

.docs-sidebar {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 14px 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  position: sticky;
  top: 60px;
  height: fit-content;
}

.docs-sidebar-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.docs-nav-group {
  margin-bottom: 10px;
}

.docs-nav-group-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin: 8px 4px 4px;
  color: #555555;
}

.docs-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.docs-nav-list li a {
  display: block;
  padding: 6px 8px;
  border-radius: 10px;
  font-size: 0.86rem;
  text-decoration: none;
}

.docs-nav-list li a:hover {
  background: var(--primary-soft);
}

.docs-nav-list li a.is-current {
  background: var(--primary);
}

/* 포털 본문 컨테이너 */
.docs-content {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 20px 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

/* ============================
   3) A4 문서뷰 스타일
   ============================ */
.doc-a4-wrap {
  display: flex;
  justify-content: center;
}

.doc-a4 {
  max-width: 760px;
  width: 100%;
  background: #ffffff;
  border-radius: 10px;
  padding: 28px 26px 32px;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border);
}

.doc-a4-header {
  margin-bottom: 18px;
}

.doc-a4-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.doc-a4-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* 문서 안의 기본 타이포 */
.doc-a4 h2 {
  font-size: 1.1rem;
  margin: 18px 0 6px;
}

.doc-a4 h3 {
  font-size: 1rem;
  margin: 14px 0 4px;
}

.doc-a4 p {
  margin: 6px 0;
  font-size: 0.92rem;
}

.doc-a4 ul {
  padding-left: 20px;
  margin: 6px 0;
  font-size: 0.92rem;
}

/* 이미지가 들어갈 때 여백 */
.doc-a4-figure {
  margin: 12px 0;
  text-align: center;
}

.doc-a4-figure img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid #eee;
}

/* ============================
   4) 탭 UI 스타일
   ============================ */
.tabs-root {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 18px 18px 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.tabs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 1px solid #e3e3ea;
  padding-bottom: 6px;
  margin-bottom: 10px;
}

.tab-button {
  border: none;
  background: transparent;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.88rem;
  cursor: pointer;
}

.tab-button:hover {
  background: var(--primary-soft);
}

.tab-button.is-active {
  background: var(--primary);
}

.tab-panel {
  display: none;
  font-size: 0.92rem;
}

.tab-panel.is-active {
  display: block;
}

/* ============================
   5) FAQ 아코디언 스타일
   ============================ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--bg-card);
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

.faq-question {
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question span {
  flex: 1;
}

.faq-icon {
  font-size: 1.1rem;
  margin-left: 8px;
}

.faq-answer {
  display: none;
  padding: 0 16px 12px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.faq-item.is-open .faq-answer {
  display: block;
}

/* ============================
   유틸
   ============================ */
.badge-soft {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--primary-soft);
}

/* 페이지 상단 이동 버튼 */
#scrollTopBtn {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 999;

  width: 44px;
  height: 44px;
  border-radius: 50%;

  border: none;
  background: #f2d7e5; /* 연한 파스텔 분홍 */
  color: #333;
  font-size: 20px;
  font-weight: bold;

  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* 보일 때 */
#scrollTopBtn.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* 살짝 떠 있는 느낌 */
#scrollTopBtn:hover {
  transform: translateY(-3px);
}