@charset "UTF-8";

/* 기본 폰트 */
body {
    font-family: 'Noto Sans KR', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* 전체 배경 / 레이아웃 (다른 페이지 톤과 맞춤) */
body.board-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at 10% 0%, #e0f2fe 0%, transparent 55%),
        radial-gradient(circle at 90% 0%, #fef3c7 0%, transparent 60%),
        linear-gradient(to bottom, #eff6ff 0%, #e5e7eb 70%, #e5e7eb 100%);
    color: #111827;
    padding-top: 76px; /* 헤더 높이 */
}

.page {
    min-width: 1320px;
}

.board-main {
    padding-bottom: 140px;
}

.board-inner,
.board-header-inner {
    width: 1320px;
    margin: 0 auto;
}

/* =========================
   상단 헤더
   ========================= */

.board-header {
    padding: 26px 0 16px;
}

.board-title-wrap .breadcrumb {
    font-size: 12px;
    color: #9ca3af;
    margin-bottom: 4px;
}

.board-title-wrap h1 {
    font-size: 22px;
    font-weight: 800;
    color: #111827;
}

.board-title-wrap .board-desc {
    margin-top: 6px;
    font-size: 13px;
    color: #6b7280;
}

/* =========================
   성장 가이드 책 영역
   ========================= */

.growth-section {
    padding: 10px 0 80px;
}

.growth-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.4fr;
    gap: 24px;
    align-items: stretch;
}

/* 왼쪽 사이드 카드 */

.growth-side-card {
    border-radius: 18px;
    padding: 18px 20px 16px;
    background: rgba(255,255,255,0.9);
    border: 1px solid #e5e7eb;
    box-shadow: 0 16px 30px rgba(148,163,184,0.45);
}

.growth-side-card h2 {
    font-size: 18px;
    font-weight: 800;
    color: #111827;
    margin-bottom: 8px;
}

.growth-side-card p {
    font-size: 13px;
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 10px;
}

.growth-summary {
    list-style: none;
    padding-left: 0;
    margin: 6px 0 0;
    font-size: 12px;
    color: #6b7280;
}

.growth-summary li + li {
    margin-top: 4px;
}

/* 탭 */

.growth-tabs {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.growth-tab {
    border-radius: 999px;
    border: 1px solid #d1d5db;
    padding: 8px 14px;
    font-size: 12px;
    background: rgba(255,255,255,0.95);
    color: #4b5563;
    cursor: pointer;
    user-select: none;
}

.growth-tab:hover {
    background: #f3f4f6;
}

/* 탭 활성화 효과 (페이지 라디오 체크에 따라) */

.page-radio {
    display: none;
}

#growth-page-1:checked ~ .growth-layout .tab-1,
#growth-page-2:checked ~ .growth-layout .tab-2,
#growth-page-3:checked ~ .growth-layout .tab-3 {
    border-color: transparent;
    background: linear-gradient(135deg,#6366f1,#f97316);
    color: #ffffff;
    box-shadow: 0 8px 18px rgba(99,102,241,0.35);
}

/* =========================
   책 전체 영역
   ========================= */

.book-toggle {
    display: none;
}

.growth-book-area {
    position: relative;
    min-height: 320px;
}

/* 책 표지 (닫힌 상태) */

.growth-book-cover {
    display: block;
    height: 100%;
    min-height: 320px;
    border-radius: 22px;
    padding: 22px 24px 20px;
    background:
        linear-gradient(135deg, #e0f2fe, #bfdbfe);
    border: 1px solid rgba(191,219,254,0.9);
    box-shadow: 0 18px 40px rgba(148,163,184,0.6);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.cover-inner {
    position: relative;
    z-index: 1;
}

.cover-tag {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(255,255,255,0.96);
    color: #1f2937;
    margin-bottom: 12px;
}

.growth-book-cover h2 {
    font-size: 19px;
    font-weight: 800;
    color: #111827;
    margin-bottom: 6px;
}

.growth-book-cover p {
    font-size: 13px;
    color: #374151;
    margin-bottom: 16px;
}

.cover-meta {
    display: flex;
    gap: 10px;
    font-size: 11px;
    color: #4b5563;
    margin-bottom: 10px;
}

.cover-meta span {
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(148,163,184,0.7);
    background: rgba(255,255,255,0.9);
}

.cover-hint {
    font-size: 11px;
    color: #6b7280;
}

/* 표지 위 광원 */

.growth-book-cover::before {
    content: "";
    position: absolute;
    inset: -40%;
    background:
        radial-gradient(circle at 20% 80%, rgba(129,140,248,0.4), transparent 65%),
        radial-gradient(circle at 80% 20%, rgba(248,250,252,0.8), transparent 60%);
    opacity: 0.9;
}

/* 열린 책 */

.growth-book {
    position: relative;
    display: none; /* 기본은 숨김 (표지만 보임) */
    border-radius: 22px;
    padding: 20px 26px 20px;
    background: rgba(255,255,255,0.96);
    border: 1px solid #e5e7eb;
    box-shadow: 0 18px 40px rgba(148,163,184,0.6);
    overflow: hidden;
    display: flex;
}

/* book-open 체크되면: 표지 숨기고 책 보여주기 */

#growth-book-open:checked ~ .growth-layout .growth-book-cover {
    display: none;
}

#growth-book-open:checked ~ .growth-layout .growth-book {
    display: flex;
}

/* 책의 좌/우 페이지 */

.book-page {
    flex: 1;
    padding: 12px 16px;
    position: relative;
}

.page-left {
    border-right: 1px solid #e5e7eb;
}

.page-right {
    padding-left: 20px;
}

/* 실제 내용 박스 (페이지별) */

.page-content {
    display: none;
    animation: pageFade 0.25s ease-out;
}

.page-content h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #111827;
}

.page-content ul {
    padding-left: 16px;
    font-size: 13px;
    color: #4b5563;
    line-height: 1.6;
}

.page-content ol {
    padding-left: 18px;
    font-size: 13px;
    color: #4b5563;
    line-height: 1.6;
}

.page-tip {
    margin-top: 8px;
    font-size: 12px;
    color: #6b7280;
}

/* 페이지 전환 애니메이션 */

@keyframes pageFade {
    from { opacity: 0; transform: translateX(4px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* 라디오에 따른 페이지 표시 */

#growth-page-1:checked ~ .growth-layout .page-1-left,
#growth-page-1:checked ~ .growth-layout .page-1-right {
    display: block;
}

#growth-page-2:checked ~ .growth-layout .page-2-left,
#growth-page-2:checked ~ .growth-layout .page-2-right {
    display: block;
}

#growth-page-3:checked ~ .growth-layout .page-3-left,
#growth-page-3:checked ~ .growth-layout .page-3-right {
    display: block;
}

/* =========================
   화살표 버튼
   ========================= */

.arrow-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border-radius: 999px;
    border: 1px solid #d1d5db;
    background: #ffffff;
    padding: 6px 12px;
    font-size: 11px;
    cursor: pointer;
    color: #4b5563;
    display: none; /* 기본은 숨김, 페이지 상태에 따라 보이게 */
    user-select: none;
}

.arrow-btn:hover {
    background: #f3f4f6;
}

.arrow-prev {
    left: 12px;
}

.arrow-next {
    right: 12px;
}

/* 페이지 1일 때: CH.2 → 화살표만 보이게 */
#growth-page-1:checked ~ .growth-layout .arrow-next-1 {
    display: inline-flex;
}

/* 페이지 2일 때: CH.1 / CH.3 둘 다 */
#growth-page-2:checked ~ .growth-layout .arrow-prev-2,
#growth-page-2:checked ~ .growth-layout .arrow-next-2 {
    display: inline-flex;
}

/* 페이지 3일 때: CH.2 ← 만 */
#growth-page-3:checked ~ .growth-layout .arrow-prev-3 {
    display: inline-flex;
}