/*
 * 현대적 전문 디자인 CSS - 전체 화면 너비 버전
 * - 전체 HTML 구조 및 SmartCubic 구조 최적화
 * - 미니멀하고 세련된 UI/UX
 * - 부드러운 애니메이션과 트랜지션
 * - 완벽한 반응형 디자인
 * - 접근성 및 성능 최적화
 * 
 * [최종 업데이트]
 * - 모바일 아이콘 로딩 속도 개선
 * - 이미지 경계 초과 방지
 * - 텍스트 가독성 최적화
 * - 가로 모드 폭 확장
 * - 로딩 스피너 완전 제거
 * - 모바일 회원가입 폼 항목 가시성 문제 해결 (폼 요소 강제 표시 및 레이아웃 최적화)
 * - 모바일 회원가입 폼 텍스트/라벨 가시성 강화 (색상, 폰트, 대비 최적화)
 * - 모바일 아이콘과 타이틀 간격 밀착 최적화 (아이콘 두 개와 타이틀 정렬 개선)
 */

/* ========== CSS 변수 정의 ========== */
:root {
    /* 색상 팔레트 */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary-color: #475569;
    --accent-color: #f59e0b;
    --accent-light: #fef3c7;
    
    /* 그레이스케일 */
    --dark-color: #0f172a;
    --gray-900: #1e293b;
    --gray-700: #334155;
    --gray-500: #64748b;
    --gray-300: #cbd5e1;
    --gray-100: #f1f5f9;
    --light-color: #f8fafc;
    
    /* 배경 및 테두리 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --border-color: #e2e8f0;
    
    /* 그림자 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* 트랜지션 */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 보더 라디우스 */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* 간격 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

/* ========== 기본 스타일 리셋 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--bg-secondary);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
}

/* ========== 컨테이너 시스템 ========== */
.container,
.container-fluid {
    max-width: 100% !important;
    width: 100% !important;
    padding-right: 15px !important;
    padding-left: 15px !important;
    margin-right: auto !important;
    margin-left: auto !important;
}

.row {
    display: flex !important;
    flex-wrap: wrap !important;
    margin-right: -15px !important;
    margin-left: -15px !important;
    width: 100% !important;
}

/* 컬럼 시스템 - 반응형 그리드 */
.col,
[class*="col-"] {
    position: relative;
    width: 100%;
    padding-right: 15px !important;
    padding-left: 15px !important;
}

/* 모바일 (기본) */
.col-6 {
    flex: 0 0 50% !important;
    max-width: 50% !important;
}

/* 작은 화면 (576px 이상) */
@media (min-width: 576px) {
    .col-sm-5 {
        flex: 0 0 20% !important;
        max-width: 20% !important;
    }
}

/* 중간 화면 (768px 이상) */
@media (min-width: 768px) {
    .col-md-4 {
        flex: 0 0 25% !important;
        max-width: 25% !important;
    }
}

/* 큰 화면 (992px 이상) */
@media (min-width: 992px) {
    .col-lg-3 {
        flex: 0 0 20% !important;
        max-width: 20% !important;
    }
}

/* 아주 큰 화면 (1200px 이상) */
@media (min-width: 1200px) {
    .col-xl-2 {
        flex: 0 0 16.666667% !important;
        max-width: 16.666667% !important;
    }
}

.content-padding {
    padding: 0 !important;
}

/* ========== 타이포그래피 ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-color);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

.display-4 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

p {
    margin-bottom: 1rem;
    color: var(--gray-700);
}

/* ========== Ajax 로딩 완전 제거 ========== */
#ajaxLoadingImage,
.loading-spinner,
.spinner,
.loader,
.loading,
.spinner-border,
.spinner-grow,
.loading-overlay,
.spinner-overlay,
[class*="loading"],
[class*="spinner"],
[class*="loader"],
[id*="loading"],
[id*="spinner"],
[id*="loader"] {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    z-index: -9999 !important;
}

/* 로딩 관련 배경 오버레이 제거 */
body::before,
body::after,
.modal-backdrop.loading,
.overlay.loading {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}

/* ========== 사이트 헤더 (sc-site-header) ========== */
.sc-site-top {
    width: 100%;
    background: var(--bg-primary);
    box-shadow: var(--shadow);
}

.blog-header,
.sc-site-header {
    padding: 1.25rem 2rem;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.blog-header-logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark-color);
    transition: var(--transition);
    text-decoration: none;
    transition: var(--transition);
    background: var(--bg-primary);
}

.blog-header-logo:hover {
    color: var(--primary-color);
    text-decoration: none;
    transform: translateY(-2px);
}

.sc-list-paging .page-link:hover {
    background: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.sc-list-paging .page-item.active .page-link {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* ========== 네비게이션 메뉴 (sc-site-menu) ========== */
.navbar,
.sc-site-menu {
    padding: 0;
    background-color: #ffffff !important;
    box-shadow: var(--shadow-sm);
    width: 100%;
    border-bottom: 1px solid var(--border-color);
}

.navbar-light {
    background-color: #ffffff !important;
}

.bg-light {
    background-color: #ffffff !important;
}

.navbar-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    margin: 0;
    padding: 0.5rem 0;
    background-color: #ffffff !important;
}

.nav-item {
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: #1a202c !important;
    transition: var(--transition);
    border-radius: var(--radius-sm);
    position: relative;
}

.nav-link i {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
    transition: var(--transition);
    color: #1a202c !important;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background: var(--primary-light);
    transform: translateY(-2px);
}

.nav-link:hover i {
    transform: scale(1.1);
    color: var(--primary-color) !important;
}

.nav-item.active .nav-link,
.nav-link.active {
    color: var(--primary-color) !important;
    background: var(--primary-light);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px 3px 0 0;
}

/* ========== 드롭다운 메뉴 ========== */
.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    min-width: 14rem;
    background-color: var(--bg-primary) !important;
    opacity: 1 !important;
    margin-top: 0.5rem;
}

.dropdown-item {
    padding: 0.75rem 1rem;
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition-fast);
    border-radius: var(--radius-sm);
    margin-bottom: 0.25rem;
}

.dropdown-item:last-child {
    margin-bottom: 0;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--primary-light);
    color: var(--primary-color);
    transform: translateX(5px);
}

.dropdown-submenu {
    position: relative;
}

.dropdown-submenu > .dropdown-menu {
    top: 0;
    left: 100%;
    margin-top: -0.5rem;
    margin-left: 0.25rem;
}

/* ========== 마이페이지 메뉴 (sc-mypage-menu) ========== */
.sc-mypage-menu {
    width: 100%;
    margin: var(--spacing-lg) 0;
}

.sc-mypage-menu .btn-group {
    display: flex !important;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
}

.sc-mypage-menu .btn-group > a {
    border-radius: var(--radius-lg);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
    min-width: 140px;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--gray-700);
    text-decoration: none;
}

.sc-mypage-menu .btn-group > a:hover {
    border-color: var(--primary-color);
    background: var(--primary-light);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.sc-mypage-menu .btn-group > a.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* ========== 큐빅 검색 (sc-cubic-search) ========== */
.sc-cubic-search {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-lg);
}

/* ========== 퍼머링크 스타일 (SmartCubic 구조) ========== */
/* 퍼머링크 헤더 (sc-permalink-header) */
.sc-permalink-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--dark-color) !important;
    box-shadow: var(--shadow-lg);
    padding: 1rem 2rem;
}

.sc-permalink-header .navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
}

/* 퍼머링크 컨테이너 (sc-permalink-container) */
.sc-permalink-container {
    width: 100%;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: 60px;
}

/* 퍼머링크 타이틀 (sc-permalink-title) */
.sc-permalink-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.sc-permalink-title h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0;
}

/* 퍼머링크 정보 (sc-permalink-info) */
.sc-permalink-info {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.sc-permalink-info .card-body {
    padding: var(--spacing-lg);
}

.sc-permalink-info img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* 퍼머링크 메뉴 탭 (sc-permalink-menu-tab) */
.sc-permalink-menu-tab {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.sc-permalink-menu-tab .nav-link {
    padding: 1rem 2rem;
    font-weight: 600;
    color: var(--gray-700);
    border: none;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

.sc-permalink-menu-tab .nav-link:hover {
    color: var(--primary-color);
    background: var(--primary-light);
}

.sc-permalink-menu-tab .nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* 퍼머링크 메뉴 컨텐츠 (sc-permalink-menu-content) */
.sc-permalink-menu-content {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: var(--spacing-lg);
    min-height: 400px;
}

/* 퍼머링크 게시판 (sc-permalink-board) */
.sc-permalink-board {
    width: 100%;
    margin-bottom: var(--spacing-lg);
}

.sc-permalink-board .card {
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--border-color);
}

.sc-permalink-board .card-header {
    background: var(--bg-primary);
    cursor: pointer;
    transition: var(--transition);
}

.sc-permalink-board .card-header:hover {
    background: var(--primary-light);
}

.sc-permalink-board .btn-link {
    width: 100%;
    text-align: left;
    color: var(--dark-color);
    font-weight: 600;
    text-decoration: none;
}

/* 퍼머링크 댓글 (sc-permalink-comment) */
.sc-permalink-comment {
    width: 100%;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-lg);
}

.sc-permalink-comment .card-body {
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md);
    margin-left: 30px;
    transition: var(--transition);
}

.sc-permalink-comment .card-body:hover {
    background: var(--gray-100);
}

.sc-permalink-comment .card-title {
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.sc-permalink-comment .badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
}

.sc-permalink-comment .card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.sc-permalink-comment .card-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* 퍼머링크 푸터 (sc-permalink-footer) */
.sc-permalink-footer {
    width: 100%;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    color: var(--gray-700);
    margin-top: auto;
}

/* ========== 구글맵 모달 (sc-google-map) ========== */
.sc-google-map {
    z-index: 1060;
}

.sc-google-map .modal-dialog {
    max-width: 90%;
    height: 90vh;
}

.sc-google-map .modal-content {
    height: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* ========== 사이트 푸터 (sc-site-footer) ========== */
.blog-footer,
.sc-site-footer {
    width: 100%;
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--bg-primary);
    border-top: 2px solid var(--border-color);
    text-align: center;
    color: var(--gray-700);
    margin-top: auto;
    position: relative;
    bottom: 0;
}

.blog-footer p,
.sc-site-footer p {
    margin-bottom: 0.5rem;
}

.blog-footer p:last-child,
.sc-site-footer p:last-child {
    margin-bottom: 0;
}

/* 푸터가 페이지 하단에 고정되도록 body 레이아웃 조정 */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.sc-site-main,
main[role="main"] {
    flex: 1 0 auto;
}

.sc-site-footer,
.blog-footer {
    flex-shrink: 0;
}

/* ========== 버튼 스타일 ========== */
.btn {
    border-radius: var(--radius);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: var(--gray-500);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--gray-700);
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ========== 아이콘 그리드 ========== */
.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    width: 100%;
}

.icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    min-height: 120px;
    justify-content: flex-start;
}

.icon-item h3,
.icon-item .title,
.icon-item span,
.icon-item div {
    display: block;
    visibility: visible;
    opacity: 1;
}

.icon-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.icon-item i {
    font-size: 3rem !important;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color) !important;
    transition: var(--transition);
    flex-shrink: 0 !important;
    width: 3rem !important;
    height: 3rem !important;
    line-height: 3rem !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.icon-item:hover i {
    transform: scale(1.1);
}

.icon-item h3,
.icon-item .title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    flex-shrink: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    color: #1a1a1a !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: unset !important;
    background: transparent !important;
    text-shadow: none !important;
}

/* ========== 폼 요소 ========== */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-primary);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* ========== 유틸리티 클래스 ========== */
.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }
.no-padding { padding: 0 !important; }
.no-margin { margin: 0 !important; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }

/* ========== 애니메이션 ========== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.slide-in-up {
    animation: slideInUp 0.6s ease forwards;
}

.slide-in-right {
    animation: slideInRight 0.6s ease forwards;
}

/* ========== 스크롤바 커스텀 ========== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-500);
    border-radius: 5px;
    transition: var(--transition);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-700);
}

/* ========== 캐러셀/슬라이드 (sc-site-slide) ========== */
.carousel,
.sc-site-slide {
    margin: 0 !important;
    width: 100%;
    position: relative;
    overflow: hidden;
    border-radius: 0;
}

.carousel-inner {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.carousel-item {
    position: relative;
    display: none;
    float: left;
    width: 100%;
    margin-right: -100%;
    backface-visibility: hidden;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-item.active {
    display: block;
    animation: fadeInSlide 0.8s ease-in-out;
}

@keyframes fadeInSlide {
    from {
        opacity: 0.7;
        transform: scale(1.05);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.main-slide-img {
    object-fit: cover;
    width: 100%;
    height: 600px;
    transition: transform 1s ease;
}

.carousel-item.active .main-slide-img {
    animation: kenBurns 20s infinite alternate;
}

@keyframes kenBurns {
    0% { transform: scale(1); }
    50% { transform: scale(1.08) translate(-2%, -1%); }
    100% { transform: scale(1); }
}

.carousel-caption {
    position: absolute;
    bottom: 8%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    padding: 2rem;
    text-align: center;
    max-width: 800px;
    width: 90%;
}

.carousel-caption h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: #ffffff;
    text-shadow: 
        2px 2px 4px rgba(0,0,0,0.8),
        4px 4px 8px rgba(0,0,0,0.6),
        0 0 40px rgba(0,0,0,0.5);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.carousel-caption p {
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    text-shadow: 
        2px 2px 4px rgba(0,0,0,0.7),
        0 0 20px rgba(0,0,0,0.5);
    margin-bottom: 0;
}

.carousel-control-prev,
.carousel-control-next {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    opacity: 0;
    transition: var(--transition);
    background: transparent;
    border: none;
    z-index: 2;
}

.carousel:hover .carousel-control-prev,
.carousel:hover .carousel-control-next {
    opacity: 1;
}

.carousel-control-prev {
    left: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0) 100%);
}

.carousel-control-next {
    right: 0;
    background: linear-gradient(270deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0) 100%);
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    opacity: 1;
}

.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 0;
    margin: 0;
    z-index: 2;
}

.carousel-indicators li {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    opacity: 1;
}

.carousel-indicators .active {
    width: 30px;
    border-radius: 5px;
    background-color: #ffffff;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* ========== 페이지 타이틀 (sc-site-title) ========== */
.jumbotron,
.sc-site-title {
    margin: 0 !important;
    padding: 3rem 2rem !important;
    background-size: cover;
    background-position: center;
    border-radius: 0;
    position: relative;
    overflow: hidden;
    background-color: #1a202c !important;
}

.jumbotron::before,
.sc-site-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.9) 0%, rgba(15, 23, 42, 0.85) 100%);
    z-index: 1;
}

.jumbotron > *,
.sc-site-title > * {
    position: relative;
    z-index: 2;
    color: #ffffff !important;
}

.jumbotron h1, .jumbotron h2, .jumbotron h3, .jumbotron h4, .jumbotron h5, .jumbotron h6,
.sc-site-title h1, .sc-site-title h2, .sc-site-title h3, .sc-site-title h4, .sc-site-title h5, .sc-site-title h6 {
    color: #ffffff !important;
}

.outlined-text {
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    color: #ffffff !important;
}

.text-white {
    color: #ffffff !important;
}

.bg-dark {
    background-color: #1a202c !important;
}

/* ========== 메인 컨텐츠 영역 (sc-site-main) ========== */
.sc-site-main {
    width: 100%;
    min-height: calc(100vh - 400px);
    padding: var(--spacing-lg) var(--spacing-sm);
    background: var(--bg-secondary);
}

.sc-site-main .container,
.sc-site-main .container-fluid {
    max-width: 100%;
    padding: 0;
}

.sc-site-main > .p-2,
.sc-site-main > div[class*="p-"] {
    padding: 0.5rem !important;
}

/* ========== 카드 스타일 ========== */
.card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0;
    box-shadow: var(--shadow);
    transition: var(--transition);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    background: var(--bg-primary);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-gray {
    background: var(--gray-100);
}

.card-body {
    padding: var(--spacing-md);
}

.card-header {
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.card-text {
    color: var(--gray-700);
    line-height: 1.6;
}

.card-img-top,
.card-img-right {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

.card-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

/* ========== 홈 페이지 - 스마트큐빅 탭 (sc-page-home-cubic) ========== */
.sc-page-home-cubic {
    width: 100%;
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.nav-tabs {
    border-bottom: 2px solid var(--border-color);
    gap: 0.5rem;
}

.nav-tabs .nav-link {
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--gray-700);
    font-weight: 600;
    padding: 1rem 1.5rem;
    transition: var(--transition);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.nav-tabs .nav-link:hover {
    border-bottom-color: var(--gray-300);
    background: var(--gray-100);
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: transparent;
}

.tab-content {
    padding: var(--spacing-md) 0;
}

/* ========== 홈 페이지 - 게시물 리스트 (sc-page-home-board) ========== */
.sc-page-home-board {
    list-style: none;
    padding: 0;
    margin: var(--spacing-lg) 0;
}

.sc-page-home-board .list-group-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition);
    background: var(--bg-primary);
}

.sc-page-home-board .list-group-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

/* ========== 페이지 컨텐츠 (sc-page-content) ========== */
.sc-page-content {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    min-height: 400px;
}

/* ========== 리스트 페이지 공통 (sc-page-list) ========== */
.sc-page-list {
    width: 100%;
}

.sc-list-select {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
}

.sc-list-search {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    justify-content: flex-end;
}

/* ========== 스마트큐빅 리스트 (sc-list-cubic) ========== */
.sc-list-cubic {
    width: 100% !important;
    display: flex !important;
    flex-wrap: wrap !important;
    margin-right: -15px !important;
    margin-left: -15px !important;
    padding: 1rem 0 !important;
}

.sc-item-cubic {
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    display: flex !important;
    flex-direction: column !important;
    padding: 0 !important;
    margin-bottom: 2rem !important;
    width: 100% !important;
    height: auto !important;
    min-height: auto !important;
    max-width: 100% !important;
    transition: var(--transition) !important;
}

.sc-item-cubic:hover {
    transform: none !important;
    box-shadow: none !important;
}

.sc-item-cubic > .figure,
.sc-item-cubic > figure {
    margin: 0 !important;
    position: relative !important;
    overflow: visible !important;
    width: 100% !important;
    background: transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    display: flex !important;
    flex-direction: column !important;
}

.sc-item-cubic .figure:hover {
    transform: none !important;
    box-shadow: none !important;
}

.sc-item-cubic .figure > a,
.sc-item-cubic .figure > div:first-child {
    display: block !important;
    width: 100% !important;
    background: white !important;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    overflow: hidden !important;
    box-shadow: var(--shadow) !important;
    transition: var(--transition) !important;
}

.sc-item-cubic .figure > a:hover,
.sc-item-cubic .figure > div:first-child:hover {
    transform: translateY(-5px) !important;
    box-shadow: var(--shadow-lg) !important;
}

.sc-item-cubic .figure-img,
.sc-item-cubic .app-img,
.sc-item-cubic img {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 1 / 1 !important;
    object-fit: cover !important;
    transition: var(--transition-slow) !important;
    border-radius: 0 !important;
    display: block !important;
}

.sc-item-cubic .figure > a:hover img,
.sc-item-cubic .figure > div:first-child:hover img {
    transform: scale(1.05) !important;
}

.sc-item-cubic .img-thumbnail {
    padding: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    background: transparent !important;
}

.sc-item-cubic .figure-caption,
.sc-item-cubic figcaption,
.sc-item-cubic .figure > figure:last-child,
.sc-item-cubic .figure > .figure:last-child {
    padding: 1rem 0.5rem !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    color: #000000 !important;
    text-align: center !important;
    line-height: 1.4 !important;
    min-height: 65px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    background: white !important;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg) !important;
    box-shadow: var(--shadow) !important;
    margin: 0 !important;
    word-break: break-word !important;
}

.sc-item-cubic .app-title,
.sc-item-cubic .text-truncate,
.sc-item-cubic .figure-caption span,
.sc-item-cubic figcaption span {
    display: -webkit-box !important;
    -webkit-box-orient: vertical !important;
    -webkit-line-clamp: 2 !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: normal !important;
    word-break: break-word !important;
    width: 100% !important;
    color: #000000 !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    line-height: 1.4 !important;
}

.sc-item-cubic .d-inline-block,
.sc-item-cubic .figure-caption .d-inline-block,
.sc-item-cubic figcaption .d-inline-block {
    display: -webkit-box !important;
    width: 100% !important;
}

.sc-item-cubic.d-flex {
    display: flex !important;
}

.sc-item-cubic .text-center {
    text-align: center !important;
}

.sc-item-cubic .mt-auto {
    margin-top: 0 !important;
}

/* 마이페이지 큐빅 (sc-item-mycubic) */
.sc-item-mycubic {
    display: flex;
    padding: 0.5rem;
}

.sc-item-mycubic .card {
    height: 100%;
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 300px;
}

.sc-item-mycubic .cubic-img {
    height: 200px;
    object-fit: cover;
    width: 100%;
}

.sc-item-mycubic .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem;
}

.sc-item-mycubic .card-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.sc-item-mycubic .card-text {
    font-size: 0.875rem;
    color: var(--gray-700);
    line-height: 1.5;
}

/* ========== 게시판 리스트 스타일 ========== */
.sc-list-board {
    width: 100%;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.sc-list-board table {
    width: 100%;
    border-collapse: collapse;
}

.sc-list-board thead {
    background: var(--gray-100);
}

.sc-list-board th {
    padding: 1rem;
    font-weight: 700;
    color: var(--dark-color);
    text-align: left;
    border-bottom: 2px solid var(--border-color);
}

.sc-list-board td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--gray-700);
}

.sc-list-board tbody tr {
    transition: var(--transition-fast);
}

.sc-list-board tbody tr:hover {
    background: var(--primary-light);
}

/* 블로그 스타일 (sc-list-blog, sc-item-blog) */
.sc-list-blog {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
}

.sc-item-blog {
    width: 100%;
}

.sc-item-blog .row {
    height: 100%;
}

.sc-item-blog .card {
    height: 100%;
}

.sc-item-blog h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.sc-item-blog .text-muted {
    color: var(--gray-500) !important;
    font-size: 0.875rem;
}

.sc-item-blog .stretched-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.sc-item-blog .stretched-link:hover {
    text-decoration: underline;
}

/* 컬럼 스타일 (sc-list-column, sc-item-column) */
.sc-list-column {
    width: 100%;
    padding: var(--spacing-md) 0;
}

.sc-item-column {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-color);
}

.sc-item-column:last-child {
    border-bottom: none;
}

.sc-item-column .blog-post-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-color);
}

.sc-item-column .blog-post-meta {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

/* 갤러리 스타일 (sc-list-gallery, sc-item-gallery) */
.sc-list-gallery {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

.sc-item-gallery {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.sc-item-gallery:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.sc-item-gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* FAQ 스타일 (sc-list-faq, sc-item-faq) */
.sc-list-faq {
    width: 100%;
}

.sc-item-faq {
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.sc-item-faq .card-header {
    background: var(--bg-primary);
    padding: 0;
}

.sc-item-faq .btn-link {
    width: 100%;
    text-align: left;
    padding: var(--spacing-md);
    color: var(--dark-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.sc-item-faq .btn-link:hover {
    color: var(--primary-color);
    background: var(--primary-light);
}

.sc-item-faq .card-body {
    background: var(--bg-secondary);
    color: var(--gray-700);
    line-height: 1.8;
}

/* ========== 페이징 (sc-list-paging, sc-list-page-info) ========== */
.sc-list-page-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-700);
}

.sc-list-paging {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.sc-list-paging .pagination {
    display: flex;
    gap: 0.25rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.sc-list-paging .page-item {
    display: inline-block;
}

.sc-list-paging .page-link {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--gray-700);
    text-decoration: none;
}

/* ========== 반응형 디자인 - 태블릿 ========== */
@media (max-width: 991px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .sc-site-main {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .sc-item-cubic {
        margin-bottom: 1.5rem !important;
    }
    
    .sc-item-cubic .figure-caption,
    .sc-item-cubic figcaption {
        font-size: 13px !important;
        min-height: 55px !important;
        padding: 0.875rem !important;
    }
    
    .sc-list-blog {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .icon-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}

/* ========== 모바일 최적화 - 종합 개선 ========== */
@media (max-width: 767px) {
    :root {
        --spacing-xl: 1rem;
        --spacing-lg: 0.75rem;
        --spacing-md: 0.5rem;
        --spacing-sm: 0.25rem;
    }
    
    body {
        font-size: 14px;
        background-color: #f8fafc !important;
    }
    
    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     * 🚀 성능 최적화 - 빠른 로딩
     * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    
    .icon-item img,
    .icon-card img,
    .mobile-main .icon-card img,
    .sc-item-cubic img,
    .figure-img,
    .app-img {
        transform: translateZ(0) !important;
        -webkit-transform: translateZ(0) !important;
        will-change: auto !important;
        image-rendering: -webkit-optimize-contrast !important;
        image-rendering: crisp-edges !important;
        content-visibility: auto !important;
        opacity: 1 !important;
    }
    
    .icon-item,
    .icon-card,
    .mobile-main .icon-card,
    .sc-item-cubic {
        transform: translateZ(0) !important;
        -webkit-backface-visibility: hidden !important;
        backface-visibility: hidden !important;
        contain: layout style paint !important;
        content-visibility: auto !important;
    }
    
    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     * 📐 이미지 경계 초과 방지
     * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    
    .icon-item img,
    .icon-card img,
    .mobile-main .icon-card img,
    .sc-item-cubic img,
    .figure-img,
    .app-img,
    .img-thumbnail {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        max-height: 100% !important;
        object-fit: contain !important;
        object-position: center !important;
        display: block !important;
        border-radius: 12px !important;
        overflow: hidden !important;
    }
    
    .icon-item .figure,
    .icon-card .figure,
    .sc-item-cubic .figure,
    .icon-item > a,
    .icon-card > a,
    .icon-item > div:first-child,
    .icon-card > div:first-child {
        overflow: hidden !important;
        border-radius: 12px !important;
        width: 100% !important;
        max-width: 100% !important;
        position: relative !important;
    }
    
    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     * 📝 텍스트 가독성 최적화
     * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    
    .icon-item h1, .icon-item h2, .icon-item h3, .icon-item h4, .icon-item h5, .icon-item h6,
    .icon-item .title, .icon-item span, .icon-item div, .icon-item p, .icon-item small,
    .icon-card h1, .icon-card h2, .icon-card h3, .icon-card h4, .icon-card h5, .icon-card h6,
    .icon-card .title, .icon-card span, .icon-card div, .icon-card p, .icon-card small,
    .mobile-main .icon-card h3, .mobile-main .icon-card h4, .mobile-main .icon-card .title,
    .mobile-main .icon-card span, .mobile-main .icon-card div, .mobile-main .icon-card p,
    .sc-item-cubic .title, .sc-item-cubic span, .sc-item-cubic div,
    .figure-caption, .figure-caption *, figcaption, figcaption *,
    .app-title, .text-truncate {
        color: #1a1a1a !important;
        -webkit-text-fill-color: #1a1a1a !important;
        opacity: 1 !important;
        font-weight: 700 !important;
        font-size: 14px !important;
        line-height: 1.5 !important;
        -webkit-font-smoothing: antialiased !important;
        -moz-osx-font-smoothing: grayscale !important;
        text-rendering: optimizeLegibility !important;
        text-shadow: 0 0 0.5px rgba(0, 0, 0, 0.3) !important;
        letter-spacing: 0.01em !important;
        background: transparent !important;
        filter: none !important;
        display: block !important;
        visibility: visible !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        word-break: break-word !important;
        max-height: none !important;
        height: auto !important;
        max-width: 100% !important;
        padding: 3px 4px !important;
        margin: 2px 0 !important;
    }
    
    /* 제목 강조 */
    .icon-item h3,
    .icon-item h4,
    .icon-item .title,
    .icon-card h3,
    .icon-card h4,
    .icon-card .title,
    .mobile-main .icon-card h3,
    .mobile-main .icon-card .title,
    .sc-item-cubic .app-title,
    .figure-caption,
    figcaption {
        font-size: 15px !important;
        font-weight: 700 !important;
        color: #1a1a1a !important;
        text-shadow: none !important;
        margin: 8px 0 4px 0 !important;
        padding: 4px 6px !important;
    }
    
    /* 설명 텍스트 */
    .icon-item span,
    .icon-item small,
    .icon-item p,
    .icon-card span,
    .icon-card small,
    .icon-card p,
    .mobile-main .icon-card span,
    .mobile-main .icon-card small {
        font-size: 13px !important;
        font-weight: 600 !important;
        color: #333333 !important;
        line-height: 1.6 !important;
        text-shadow: none !important;
    }
    
    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     * 📏 컨테이너 및 레이아웃
     * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    
    .container,
    .container-fluid {
        max-width: 100% !important;
        width: 100% !important;
        padding-left: 8px !important;
        padding-right: 8px !important;
        margin: 0 auto !important;
    }
    
    .icon-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important; /* 수정: 모바일에서 아이콘 두 개로 제한하여 정렬 개선 */
        gap: 8px !important;
        width: 100% !important;
        padding: 8px 4px !important;
        margin: 0 !important;
    }
    
    .icon-item,
    .icon-card,
    .mobile-main .icon-card {
        width: 100% !important;
        min-height: 100px !important; /* 수정: 최소 높이 축소로 간격 최소화 */
        padding: 5px 8px !important; /* 수정: 패딩 축소로 아이콘과 타이틀 간격 줄임 */
        background: #ffffff !important;
        border-radius: 14px !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
        overflow: hidden !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: flex-start !important;
        gap: 2px !important; /* 수정: gap을 최소화하여 아이콘과 타이틀 밀착 */
    }
    
    .icon-item i,
    .icon-card i,
    .mobile-main .icon-card i {
        color: var(--primary-color) !important;
        font-size: 2.25rem !important;
        width: 2.25rem !important;
        height: 2.25rem !important;
        line-height: 2.25rem !important;
        flex-shrink: 0 !important;
        margin-bottom: 2px !important; /* 수정: 아이콘 하단 마진 최소화 */
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    /* 수정: 아이콘과 타이틀 간격 최적화 - 타이틀 상단 마진 최소화 */
    .icon-item h3,
    .icon-item .title,
    .icon-card h3,
    .icon-card .title {
        margin-top: 0 !important; /* 수정: 상단 마진 제거로 밀착 */
        margin-bottom: 0 !important; /* 수정: 하단 마진 제거 */
        font-size: 14px !important; /* 수정: 폰트 크기 약간 축소로 공간 절약 */
        line-height: 1.3 !important;
        text-align: center !important;
    }
    
    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     * 📱 가로 모드 폭 확장 및 최적화
     * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    
    @media (orientation: landscape) {
        .container,
        .container-fluid,
        .sc-site-main {
            max-width: 100% !important;
            width: 100% !important;
            padding-left: 12px !important;
            padding-right: 12px !important;
        }
        
        .icon-grid,
        .mobile-main {
            grid-template-columns: repeat(4, 1fr) !important; /* 수정: 가로 모드에서 4개로 조정하여 두 개 이상 정렬 */
            gap: 10px !important;
            padding: 12px 8px !important;
        }
        
        .icon-item,
        .icon-card,
        .mobile-main .icon-card {
            min-height: 90px !important; /* 수정: 가로 모드 최소 높이 축소 */
            padding: 8px 6px !important;
            max-width: 100% !important;
        }
        
        .icon-item img,
        .icon-card img,
        .mobile-main .icon-card img {
            max-width: 100% !important;
            max-height: 60px !important; /* 수정: 가로 모드 이미지 높이 축소 */
            object-fit: contain !important;
        }
        
        .icon-item h3,
        .icon-item .title,
        .icon-card h3,
        .icon-card .title {
            font-size: 12px !important; /* 수정: 가로 모드 폰트 축소 */
        }
        
        .icon-item span,
        .icon-card span {
            font-size: 11px !important;
        }
        
        .icon-item i,
        .icon-card i {
            font-size: 1.75rem !important; /* 수정: 가로 모드 아이콘 크기 약간 축소 */
            width: 1.75rem !important;
            height: 1.75rem !important;
            line-height: 1.75rem !important;
        }
    }
    
    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     * 🎨 네비게이션 및 기타 요소
     * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    
    .navbar-nav .nav-link span,
    .navbar-nav .nav-link small,
    .mobile-bottom-nav .tab span {
        color: #1a1a1a !important;
        font-weight: 700 !important;
        font-size: 12px !important;
        opacity: 1 !important;
        text-shadow: none !important;
    }
    
    .icon-item a,
    .icon-card a,
    .icon-item a *,
    .icon-card a * {
        color: inherit !important;
        text-decoration: none !important;
    }
    
    .text-muted,
    .text-secondary {
        color: #666666 !important;
        font-weight: 600 !important;
    }
    
    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     * ⚡ 추가 성능 최적화
     * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    
    .icon-grid,
    .mobile-main,
    .sc-list-cubic {
        -webkit-overflow-scrolling: touch !important;
        scroll-behavior: smooth !important;
    }
    
    .icon-item,
    .icon-card {
        transition: transform 0.2s ease, box-shadow 0.2s ease !important;
    }
    
    .icon-item:active,
    .icon-card:active {
        transform: scale(0.98) !important;
    }
    
    .icon-item:hover,
    .icon-card:hover {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12) !important;
    }
    
    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     * 📱 모바일 헤더 및 기본 요소
     * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .blog-header,
    .sc-site-header {
        padding: 0.75rem 0.5rem;
        background-color: #ffffff !important;
    }
    
    .blog-header *,
    .sc-site-header * {
        background-color: transparent !important;
    }
    
    .blog-header-logo {
        font-size: 1.125rem;
        color: #1a202c !important;
    }
    
    .sc-site-header a,
    .sc-site-header span,
    .sc-site-header div,
    .blog-header a,
    .blog-header span,
    .blog-header div {
        color: #1a202c !important;
        background-color: transparent !important;
    }
    
    .sc-site-header i,
    .blog-header i {
        color: #1a202c !important;
    }
    
    .sc-site-header a:hover,
    .blog-header a:hover,
    .sc-site-header .nav-link:hover {
        color: var(--primary-color) !important;
    }
    
    /* 네비게이션 바 */
    .navbar {
        padding: 0.25rem 0.5rem;
        background-color: #ffffff !important;
    }
    
    .navbar *,
    .navbar-light *,
    .bg-light * {
        background-color: transparent !important;
    }
    
    .navbar-toggler {
        border: 2px solid #1a202c !important;
        padding: 0.5rem;
        outline: none !important;
        background-color: #ffffff !important;
        color: #1a202c !important;
    }
    
    .navbar-toggler:focus,
    .navbar-toggler:active {
        box-shadow: none !important;
        outline: none !important;
    }
    
    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(26, 32, 44, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        width: 1.5rem;
        height: 1.5rem;
    }
    
    /* 모바일 메뉴 */
    #navbarNavDropdown {
        position: fixed;
        top: 0;
        right: 0;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        background-color: #ffffff !important;
        box-shadow: var(--shadow-xl);
        padding: 1rem 0;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        z-index: 1050;
    }
    
    #navbarNavDropdown * {
        background-color: transparent !important;
    }
    
    #navbarNavDropdown.show {
        transform: translateX(0);
    }
    
    #navbarNavDropdown.collapsing {
        background-color: #ffffff !important;
    }
    
    .navbar-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1040;
        display: none;
    }
    
    .navbar-backdrop.show {
        display: block;
    }
    
    .nav-item {
        font-size: 16px;
        padding: 0;
        border-bottom: 1px solid #e2e8f0;
        background-color: transparent !important;
    }
    
    .nav-link {
        flex-direction: row;
        justify-content: flex-start;
        gap: 1rem;
        padding: 1rem 1.5rem;
        color: #1a202c !important;
        background-color: transparent !important;
    }
    
    .nav-link i {
        margin-bottom: 0;
        font-size: 1.25rem;
        color: #1a202c !important;
    }
    
    .nav-link:hover {
        background-color: #dbeafe !important;
        color: var(--primary-color) !important;
    }
    
    .nav-link:hover i {
        color: var(--primary-color) !important;
    }
    
    .dropdown-menu {
        box-shadow: none;
        border: none;
        border-left: 3px solid var(--primary-color);
        border-radius: 0;
        padding-left: 0.5rem;
        margin-left: 1rem;
        background-color: #f1f5f9 !important;
    }
    
    .dropdown-menu * {
        background-color: transparent !important;
    }
    
    .dropdown-item {
        color: #1a202c !important;
        padding: 0.75rem 1rem;
    }
    
    .dropdown-item:hover {
        background-color: #dbeafe !important;
        color: var(--primary-color) !important;
    }
    
    /* 페이지 타이틀 */
    .jumbotron,
    .sc-site-title {
        padding: 2rem 1rem !important;
        background-color: #1a202c !important;
    }
    
    .jumbotron *,
    .sc-site-title *,
    .outlined-text,
    .text-white {
        color: #ffffff !important;
    }
    
    /* 캐러셀 */
    .main-slide-img {
        height: 350px;
    }
    
    .carousel-caption {
        bottom: 5%;
        max-width: 90%;
        padding: 0.75rem;
    }
    
    .carousel-caption h2 {
        font-size: 1.5rem;
        color: #ffffff !important;
    }
    
    .carousel-caption p {
        font-size: 1rem;
        color: #ffffff !important;
    }
    
    .carousel-control-prev,
    .carousel-control-next {
        width: 50px;
    }
    
    /* 메인 컨텐츠 */
    .sc-site-main {
        padding: 0.5rem 0.125rem !important;
        background-color: #f8fafc !important;
    }
    
    .sc-site-main > div {
        padding-left: 0.125rem !important;
        padding-right: 0.125rem !important;
    }
    
    .container,
    .container-fluid {
        max-width: 100% !important;
        width: 100% !important;
        padding-left: 0.125rem !important;
        padding-right: 0.125rem !important;
        margin: 0 !important;
    }
    
    .row {
        margin-left: -0.125rem !important;
        margin-right: -0.125rem !important;
        width: 100% !important;
    }
    
    .col,
    [class*="col-"] {
        padding-left: 0.125rem !important;
        padding-right: 0.125rem !important;
    }
    
    /* 큐빅 리스트 */
    .sc-list-cubic {
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 0.5rem 0 !important;
        width: 100% !important;
    }
    
    .sc-item-cubic {
        margin-bottom: 1.5rem !important;
    }
    
    .sc-item-cubic .figure {
        margin-bottom: 0 !important;
    }
    
    .sc-item-cubic .figure-caption,
    .sc-item-cubic figcaption {
        font-size: 13px !important;
        padding: 0.875rem 0.5rem !important;
        min-height: 65px !important;
        background: white !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg) !important;
        line-height: 1.3 !important;
        word-break: break-word !important;
    }
    
    .sc-item-cubic .app-title,
    .sc-item-cubic .text-truncate,
    .sc-item-cubic .figure-caption span,
    .sc-item-cubic figcaption span {
        display: -webkit-box !important;
        -webkit-box-orient: vertical !important;
        -webkit-line-clamp: 2 !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        white-space: normal !important;
        word-break: break-word !important;
        width: 100% !important;
        color: #000000 !important;
        font-size: 13px !important;
        font-weight: 600 !important;
    }
    
    .sc-item-cubic .d-inline-block,
    .sc-item-cubic .figure-caption .d-inline-block {
        display: -webkit-box !important;
        width: 100% !important;
    }
    
    .sc-list-blog {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .sc-list-gallery {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 0.75rem;
    }
    
    /* 카드 */
    .card {
        margin-bottom: 0.5rem;
        background-color: #ffffff !important;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    /* 버튼 */
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    /* 마이페이지 메뉴 */
    .sc-mypage-menu .btn-group > a {
        min-width: 100px;
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
    
    /* 퍼머링크 */
    .sc-permalink-container {
        padding: 0.5rem 0.25rem;
        margin-top: 60px;
    }
    
    .sc-permalink-title h1 {
        font-size: 1.5rem;
    }
    
    .sc-permalink-menu-tab .nav-link {
        padding: 0.625rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .sc-permalink-comment .card-body {
        margin-left: 10px;
        padding: 0.5rem;
    }
    
    /* 페이지 컨텐츠 */
    .sc-page-content {
        padding: 0.75rem;
        background-color: #ffffff !important;
    }
    
    .sc-page-home-cubic {
        padding: 0.5rem;
        margin: 0.5rem 0;
        background-color: #ffffff !important;
    }
    
    /* 테이블 반응형 */
    .table-responsive {
        margin: 0.25rem 0;
    }
    
    /* 푸터 */
    .blog-footer,
    .sc-site-footer {
        padding: 1.5rem 0.5rem;
        margin-top: 1rem;
        background-color: #ffffff !important;
    }

    /* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
     * 🔧 모바일 회원가입 폼 항목 가시성 문제 해결
     * - 폼 컨테이너, 필드, 라벨 강제 표시 및 레이아웃 최적화
     * - SmartCubic 구조 기반으로 일반/특정 클래스 대상
     * - 원본 CSS 유지하며 오버라이드만 추가
     * ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */
    
    /* 회원가입 폼 컨테이너 전체 보이기 */
    .register-form,
    .sc-register-form,
    .form-register,
    [class*="register"],
    [id*="register"],
    .sc-mypage-register,
    form[action*="register"],
    form[action*="join"],
    .sc-page-register,
    .sc-page-join {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        min-height: auto !important;
        overflow: visible !important;
        position: relative !important;
        z-index: 1 !important;
        background: var(--bg-primary) !important;
        padding: 1rem !important;
        margin: 0 !important;
        border-radius: var(--radius-lg) !important;
        box-shadow: var(--shadow) !important;
    }
    
    /* 폼 필드 (input, select, textarea) 강제 보이기 및 스택 레이아웃 */
    .register-form input,
    .register-form select,
    .register-form textarea,
    .sc-register-form input,
    .sc-register-form select,
    .sc-register-form textarea,
    .form-register input,
    .form-register select,
    .form-register textarea,
    [class*="register"] input,
    [class*="register"] select,
    [class*="register"] textarea,
    [id*="register"] input,
    [id*="register"] select,
    [id*="register"] textarea,
    form[action*="register"] input,
    form[action*="register"] select,
    form[action*="register"] textarea,
    form[action*="join"] input,
    form[action*="join"] select,
    form[action*="join"] textarea,
    .sc-mypage-register input,
    .sc-mypage-register select,
    .sc-mypage-register textarea {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        min-height: 44px !important; /* iOS 터치 타겟 최소 높이 */
        padding: 0.75rem 1rem !important;
        margin-bottom: 1rem !important;
        border: 1px solid var(--border-color) !important;
        border-radius: var(--radius) !important;
        background: var(--bg-primary) !important;
        color: var(--dark-color) !important;
        -webkit-text-fill-color: var(--dark-color) !important;
        font-size: 16px !important; /* 모바일 폼 가독성 */
        box-sizing: border-box !important;
        overflow: visible !important;
        position: relative !important;
        z-index: 1 !important;
        -webkit-appearance: none !important;
        appearance: none !important;
        text-shadow: none !important;
        letter-spacing: normal !important;
    }
    
    /* 입력 필드 플레이스홀더 텍스트 가시성 강화 */
    .register-form input::placeholder,
    .sc-register-form input::placeholder,
    .form-register input::placeholder,
    [class*="register"] input::placeholder,
    [id*="register"] input::placeholder,
    form[action*="register"] input::placeholder,
    form[action*="join"] input::placeholder {
        color: var(--gray-500) !important;
        opacity: 1 !important;
        font-size: 16px !important;
        -webkit-text-fill-color: var(--gray-500) !important;
    }
    
    /* 폼 라벨 보이기 - 텍스트 가시성 강화 */
    .register-form label,
    .sc-register-form label,
    .form-register label,
    [class*="register"] label,
    [id*="register"] label,
    form[action*="register"] label,
    form[action*="join"] label,
    .sc-mypage-register label {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        font-size: 14px !important;
        font-weight: 600 !important;
        color: var(--dark-color) !important;
        -webkit-text-fill-color: var(--dark-color) !important;
        margin-bottom: 0.5rem !important;
        padding: 0 !important;
        text-align: left !important;
        line-height: 1.4 !important;
        text-shadow: none !important;
        letter-spacing: normal !important;
        background: transparent !important;
        border: none !important;
        word-break: break-word !important;
        overflow: visible !important;
        white-space: normal !important;
    }
    
    /* 폼 그룹 또는 필드셋 보이기 */
    .form-group,
    .field-group,
    fieldset,
    .sc-form-group,
    [class*="form-group"],
    [class*="field"] {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        margin-bottom: 1.5rem !important;
        padding: 0 !important;
        border: none !important;
        overflow: visible !important;
    }
    
    /* 체크박스/라디오 입력 보이기 (SmartCubic 폼 지원) */
    .register-form input[type="checkbox"],
    .register-form input[type="radio"],
    .sc-register-form input[type="checkbox"],
    .sc-register-form input[type="radio"] {
        width: auto !important;
        height: auto !important;
        min-height: auto !important;
        margin-right: 0.5rem !important;
        display: inline-block !important;
        vertical-align: middle !important;
    }
    
    .register-form .checkbox-group,
    .register-form .radio-group,
    .sc-register-form .checkbox-group,
    .sc-register-form .radio-group {
        display: flex !important;
        flex-direction: column !important;
        gap: 0.5rem !important;
        width: 100% !important;
    }
    
    /* 제출 버튼 보이기 */
    .register-form .btn,
    .sc-register-form .btn,
    .form-register .btn,
    form[action*="register"] .btn,
    form[action*="join"] .btn {
        display: inline-block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: auto !important;
        min-width: 100px !important;
        margin-top: 1rem !important;
        padding: 0.75rem 1.5rem !important;
    }
    
    /* 폼 에러/도움말 텍스트 보이기 */
    .register-form .error-message,
    .register-form .help-text,
    .sc-register-form .error,
    .sc-register-form .help-block {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        font-size: 12px !important;
        color: #ef4444 !important;
        -webkit-text-fill-color: #ef4444 !important;
        margin-top: 0.25rem !important;
        padding: 0 !important;
        text-shadow: none !important;
    }
    
    /* 모바일 폼 오버플로우 방지 및 스크롤 최적화 */
    .register-form,
    .sc-register-form,
    form[action*="register"],
    form[action*="join"] {
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        max-height: none !important;
    }
    
    /* 폼 부모 컨테이너 패딩/마진 조정 */
    .sc-site-main .register-form,
    .sc-site-main .sc-register-form,
    .sc-page-content .register-form,
    .sc-page-content .sc-register-form {
        padding: 1rem !important;
        margin: 0.5rem 0 !important;
    }
    
    /* 추가: 모바일 폼 텍스트 대비 강화 (라벨 및 입력 텍스트) */
    .register-form label,
    .sc-register-form label,
    .register-form input,
    .sc-register-form input {
        color: #000000 !important;
        -webkit-text-fill-color: #000000 !important;
        text-shadow: 0.1px 0.1px 0 rgba(0, 0, 0, 0.1) !important;
        font-weight: 500 !important;
        background: #ffffff !important;
    }
}

/* ========== 매우 작은 화면 대응 (iPhone SE 등) ========== */
@media (max-width: 375px) {
    .icon-grid,
    .mobile-main {
        grid-template-columns: repeat(2, 1fr) !important; /* 수정: 작은 화면에서도 두 개로 유지 */
        gap: 6px !important;
    }
    
    .icon-item,
    .icon-card {
        min-height: 90px !important; /* 수정: 작은 화면 최소 높이 축소 */
        padding: 8px 6px !important;
    }
    
    .icon-item i,
    .icon-card i {
        font-size: 2rem !important;
        width: 2rem !important;
        height: 2rem !important;
    }

    /* 매우 작은 화면에서 회원가입 폼 추가 최적화 */
    .register-form input,
    .sc-register-form input,
    .form-register input {
        padding: 0.625rem 0.875rem !important;
        font-size: 16px !important;
        min-height: 48px !important;
    }
    
    .register-form label,
    .sc-register-form label {
        font-size: 13px !important;
        color: #000000 !important;
        -webkit-text-fill-color: #000000 !important;
    }
}

/* ========== 프린트 스타일 ========== */
@media print {
    .navbar,
    .sc-site-menu,
    .carousel-control-prev,
    .carousel-control-next,
    .carousel-indicators,
    .btn,
    .sc-mypage-menu,
    #ajaxLoadingImage,
    .loading-spinner,
    .spinner {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ========== 다크모드 지원 ========== */
@media (prefers-color-scheme: dark) {
    :root {
        --dark-color: #f8fafc;
        --gray-900: #f1f5f9;
        --gray-700: #cbd5e1;
        --gray-500: #94a3b8;
        --gray-300: #475569;
        --gray-100: #1e293b;
        --light-color: #0f172a;
        --bg-primary: #1e293b;
        --bg-secondary: #0f172a;
        --border-color: #334155;
    }
    
    body {
        background-color: var(--bg-secondary);
        color: var(--dark-color);
    }
    
    .card,
    .sc-page-content,
    .sc-permalink-info,
    .sc-permalink-menu-content {
        background: var(--bg-primary);
    }

    /* 다크모드에서 회원가입 폼 테마 적용 */
    .register-form input,
    .sc-register-form input,
    .form-register input {
        background: var(--bg-primary) !important;
        color: var(--dark-color) !important;
        border-color: var(--border-color) !important;
    }
    
    .register-form label,
    .sc-register-form label {
        color: var(--dark-color) !important;
        -webkit-text-fill-color: var(--dark-color) !important;
    }
}

/* ========== 데스크톱 최종 최적화 ========== */
@media (min-width: 768px) {
    .icon-item,
    .icon-card {
        min-height: 200px !important;
    }
    
    .icon-item h3,
    .icon-item .title,
    .icon-card h3,
    .icon-card .title {
        color: #1a1a1a !important;
        font-weight: 700 !important;
        font-size: 16px !important;
    }
    
    .icon-item span,
    .icon-card span {
        font-size: 14px !important;
        color: #333333 !important;
    }
    
    /* 데스크톱 이미지 즉시 로딩 */
    .icon-item img,
    .icon-card img,
    .sc-item-cubic img {
        animation: none !important;
        opacity: 1 !important;
        transition: none !important;
    }
}

/* ========== 최종: 모든 환경에서 로딩 스피너 제거 ========== */
#ajaxLoadingImage,
.loading-spinner,
.spinner,
.loader,
.loading,
.spinner-border,
.spinner-grow,
.loading-overlay,
.spinner-overlay,
[class*="loading"],
[class*="spinner"],
[class*="loader"],
[id*="loading"],
[id*="spinner"],
[id*="loader"] {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    width: 0 !important;
    height: 0 !important;
    z-index: -9999 !important;
}

/* 로딩 관련 배경 오버레이 제거 */
body::before,
body::after,
.modal-backdrop.loading,
.overlay.loading {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
}


/* [강화] 회원가입 폼 요소 및 레이블의 가시성 최대 확보 */

/* 입력 필드 (칸)의 배경색과 글자색 설정 */
/* 검은색 칸 문제 해결 및 입력 텍스트 보장 */
.form-control,
input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]):not([type="reset"]),
textarea,
select {
    /* 배경색을 흰색으로 고정 */
    background-color: #ffffff !important;
    /* 입력되는 텍스트 색상을 검은색으로 고정 (가장 높은 대비) */
    color: #000000 !important;
    /* 플레이스홀더 텍스트 색상도 명확히 설정 */
    -webkit-text-fill-color: #000000 !important;
    opacity: 1 !important; /* 투명도 강제 해제 */
}

/* 레이블 (항목 이름)의 글자색 설정 */
.form-group label,
.form-group .control-label,
.register-form-container label {
    /* 항목 이름 글자색을 검은색에 가까운 색상으로 고정 */
    color: #1a1a1a !important;
    font-weight: 700 !important; /* 가독성을 위해 두께 강화 */
}


/* [수정] 모바일 화면 (768px 미만) 아이콘 크기 조정 */
/* .icon-item 또는 .icon-card 내의 이미지(아이콘)에 적용 */
.icon-item img,
.icon-card img,
.sc-item-cubic img {
    /* 모바일에서 아이콘 최대 너비를 60px로 설정하여 크기를 줄임 */
    max-width: 60px !important;
    /* 이미지 높이는 비율에 맞춰 자동 조정 */
    height: auto !important; 
    /* 이미지 로딩 시 애니메이션 및 효과 제거 (성능 최적화 목적, 기존 코드의 연장) */
    animation: none !important;
    opacity: 1 !important;
    transition: none !important;
}

/* 아이콘을 담고 있는 컨테이너의 높이도 조정 (선택 사항: 필요하면 추가) */
.icon-item,
.icon-card {
    /* 아이콘 컨테이너의 최소 높이를 줄여 불필요한 공백을 줄임 */
    min-height: 100px !important; 
    padding: 10px !important;
}


/*
 * [최종 수정] 모바일 화면 아이콘 크기 조정 (767px 이하)
 * - 미디어 쿼리를 사용하여 모바일 환경에만 강력하게 적용
 */
@media (max-width: 767px) {
    /* 1. 아이콘 이미지 크기 조정 */
    .icon-item img,
    .icon-card img,
    .sc-item-cubic img {
        /* 아이콘 이미지의 최대 크기를 60px로 고정 */
        max-width: 60px !important;
        max-height: 60px !important;
        /* 너비/높이를 자동으로 조정하여 비율 유지 */
        width: auto !important;
        height: auto !important;
        /* 이미지가 컨테이너에 딱 맞게 표시되도록 설정 */
        object-fit: contain !important;
    }

    /* 2. 아이콘 컨테이너(배경)의 크기 조정 */
    .icon-item,
    .icon-card {
        /* 컨테이너의 최소 높이를 줄여서 불필요한 여백을 제거하고 아이콘을 중앙 배치 */
        min-height: 120px !important; 
        padding: 10px !important;
    }
}


/*
 * [최종 최적화] 모바일 전용 디자인 및 가독성 수정 (767px 이하)
 */
@media (max-width: 767px) {
    /* 1. 아이콘 섬네일 크기 확대 */
    .icon-item img,
    .icon-card img,
    .sc-item-cubic img {
        /* 아이콘 이미지 최대 크기를 60px에서 85px로 확대 */
        max-width: 85px !important;
        max-height: 85px !important;
        width: auto !important;
        height: auto !important;
        /* 아이콘과 타이틀 사이의 간격 조정을 위해 하단 마진을 최소화 */
        margin-bottom: 3px !important;
    }

    /* 2. 아이콘과 타이틀 간격 좁히기 및 컨테이너 조정 */
    .icon-item,
    .icon-card {
        /* 컨테이너의 최소 높이 및 패딩을 줄여서 불필요한 여백을 제거하고 간격을 좁힘 */
        min-height: 100px !important; /* 컨테이너 최소 높이 축소 */
        padding: 10px 5px !important; /* 내부 패딩 축소 */
    }




    .icon-item h3,
    .icon-item .title,
    .icon-card h3,
    .icon-card .title {
        /* 타이틀 상단 마진을 줄여 아이콘에 가깝게 붙이기 */
        margin-top: 5px !important;
        /* 폰트 크기 및 두께 조정으로 가독성 유지 */
        font-size: 15px !important;
        font-weight: 600 !important;
        line-height: 1.4 !important;
    }

    /* 3. 모바일 페이지 가독성 및 가로 화면 컨텐츠 영역 최대화 */
    
    /* A. 가로 화면 컨텐츠 영역 최대화: 컨테이너 좌우 패딩 제거/축소 */
    /* 컨텐츠를 감싸는 주요 요소(container, wrapper 등)의 좌우 패딩을 최소화 */
    .container,
    .container-fluid,
    .main-wrapper,
    .page-content {
        /* 좌우 패딩을 5px로 줄여 화면을 최대한 넓게 사용 (가로 모드 최적화) */
        padding-left: 5px !important;
        padding-right: 5px !important;
        width: 100% !important;
        max-width: none !important;
    }

    /* B. 가독성 증진: 기본 텍스트 폰트 크기 및 줄 간격 조정 */
    body,
    p,
    li,
    span {
        font-size: 14px !important; /* 기본 폰트 크기 조정 */
        line-height: 1.65 !important; /* 줄 간격(행간)을 넓혀 가독성 대폭 향상 */
    }

    /* 제목 요소의 폰트 크기도 모바일에 맞게 조정 */
    h1 { font-size: 24px !important; }
    h2 { font-size: 20px !important; }
    h3 { font-size: 18px !important; }
}





@media (max-width: 767px) {
    /* 1. 아이콘 섬네일 크기 및 간격 조정 (리스트 뷰 최적화) */
    .icon-item,
    .icon-card {
        /* 컨테이너의 상하 패딩을 줄여 아이콘과 글자 간 간격 최소화 */
        padding: 10px 5px 5px !important;
        /* 최소 높이를 더 줄여 불필요한 공백 제거 */
        min-height: 90px !important; 
    }
    
    .icon-item img,
    .icon-card img,
    .sc-item-cubic img {
        /* 아이콘 이미지 최대 크기 85px 유지 (확대된 크기) */
        max-width: 85px !important;
        max-height: 85px !important;
        /* 아이콘 하단 마진을 제거하여 타이틀과 최대한 가깝게 붙이기 */
        margin-bottom: 0px !important; 
        
        /* [개선] 이미지 로딩 속도 개선: 애니메이션/트랜지션 즉시 제거 */
        animation: none !important;
        transition: none !important;
        opacity: 1 !important; /* 항상 표시 */
    }

    .icon-item h3,
    .icon-item .title,
    .icon-card h3,
    .icon-card .title {
        /* 타이틀 상단 마진을 더 줄여 아이콘에 최대한 가깝게 붙이기 */
        margin-top: 3px !important; 
        font-size: 15px !important;
    }
}

/* [개선] 모든 환경에서 이미지 로딩 속도 개선을 위한 애니메이션/트랜지션 강제 제거 */
.icon-item img,
.icon-card img,
.sc-item-cubic img {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
}




/*
 * [수정] 메인 페이지 보드 포스트 리스트 글자 안 보임/검은색 문제 해결
 */

/* 포스트 제목 (Title) */
.list-group-item .post-title,
.post-list .title,
.board-list .subject,
.post-item h3 {
    color: #000000 !important; /* 글자색을 검은색으로 강제 */
    /* 배경이 어두워지는 경우를 대비하여 배경색을 흰색으로 설정 */
    background-color: transparent !important; 
}

/* 포스트 내용/요약 (Summary/Content) */
.list-group-item .post-content,
.post-list .content,
.board-list .content {
    color: #333333 !important; /* 내용을 진한 회색으로 설정하여 가독성 높임 */
}

/* 리스트 항목 자체의 배경색이 어두워지는 문제 방지 */
.list-group-item,
.post-item {
    background-color: #ffffff !important; /* 리스트 배경을 흰색으로 고정 */
}



/*
 * [최종 수정] 모바일 아이콘/타이틀 세로 간격 밀착 및 수직 정렬 강화 (767px 이하)
 * - 아이콘과 타이틀을 하나의 항목처럼 보이도록 간격 최소화
 */
@media (max-width: 767px) {
    /* 1. 아이콘 컨테이너 (icon-item/icon-card)의 높이 및 패딩 최소화 */
    .icon-item,
    .icon-card {
        /* 상하 패딩을 극도로 줄여 컨테이너 자체의 높이를 줄임 */
        padding: 5px 5px 3px !important; 
        /* 최소 높이를 더 줄여 불필요한 공백 제거 */
        min-height: 80px !important; 
    }
    
    /* 2. 아이콘 이미지 (img)의 상하 마진 제거 및 크기 유지 */
    .icon-item img,
    .icon-card img,
    .sc-item-cubic img {
        /* 이미지의 상하 마진을 0으로 설정하여 주변 요소와 밀착 */
        margin-top: 0px !important;
        margin-bottom: 0px !important; 
        
        /* 이전 요청에 따라 설정된 크기 유지 (85px) */
        max-width: 85px !important;
        max-height: 85px !important;
    }

    /* 3. 아이콘 타이틀 (h3/title)의 상하 마진 최소화 */
    .icon-item h3,
    .icon-item .title,
    .icon-card h3,
    .icon-card .title {
        /* 타이틀의 상단 마진을 0에 가깝게 설정하여 아이콘에 바로 붙임 */
        margin-top: 2px !important; 
        /* 타이틀의 하단 마진도 제거하여 다음 요소와의 간격도 줄임 */
        margin-bottom: 0px !important;
        /* 행간(line-height)을 줄여 텍스트 자체의 높이도 최소화 */
        line-height: 1.2 !important; 
        font-size: 15px !important;
    }
}

@media (max-width: 767px) {
    /* 1. 아이콘 컨테이너 (icon-item/icon-card) 레이아웃 최적화 */
    .icon-item,
    .icon-card {
        /* 상하 패딩을 극단적으로 줄여 간격 최소화 */
        padding: 5px 5px 3px !important; 
        min-height: 80px !important; 
        
        /* Flexbox를 사용하여 내부 요소를 수직으로 배열 및 밀착 정렬 */
        display: flex !important;
        flex-direction: column !important; /* 수직 정렬 */
        align-items: center !important; /* 가운데 정렬 */
        justify-content: flex-start !important; /* 상단에 배치 */
    }
    
    /* 2. 아이콘 이미지 (img)의 정사각형 강제 및 마진 제거 */
    .icon-item img,
    .icon-card img,
    .sc-item-cubic img {
        /* 가로/세로 크기를 85px로 고정하여 정사각형으로 만듦 */
        width: 85px !important; 
        height: 85px !important;
        max-width: 85px !important;
        max-height: 85px !important;
        
        /* 이미지 비율 유지를 위해 object-fit 사용 (이미지가 잘릴 수 있음) */
        object-fit: contain !important; /* 비율 유지하며 컨테이너에 맞춤 */
        /* object-fit: cover !important; /* 비율 유지하며 컨테이너를 채움 (이미지 일부 잘림 가능) */

        /* 상하 마진을 0으로 설정하여 주변 요소와 밀착 */
        margin-top: 0px !important;
        margin-bottom: 0px !important; 
    }

    /* 3. 아이콘 타이틀 (h3/title)의 상하 마진 최소화 */
    .icon-item h3,
    .icon-item .title,
    .icon-card h3,
    .icon-card .title {
        /* 타이틀의 상단 마진을 최소화하여 아이콘에 바로 붙임 */
        margin-top: 2px !important; 
        margin-bottom: 0px !important;
        line-height: 1.2 !important; 
        font-size: 15px !important;
        text-align: center !important; /* 텍스트를 중앙 정렬 */
    }
}

/* ================================
   📱 모바일에서 아이콘 썸네일 세로 확장
================================ */
@media (max-width: 767px) {
    .icon-item img,
    .icon-card img,
    .mobile-main .icon-card img {
        height: auto !important;
        max-height: none !important;
        object-fit: contain !important;
        object-position: center !important;
        display: block !important;
    }

    /* 아이콘 컨테이너도 세로 확장 허용 */
    .icon-item,
    .icon-card,
    .mobile-main .icon-card {
        min-height: auto !important;
        height: auto !important;
    }
}


/* ======================================
   📱 모바일: 아이콘 + 제목 간격 밀착
====================================== */
@media (max-width: 767px) {

    .icon-item,
    .icon-card,
    .mobile-main .icon-card {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: flex-start !important;
        gap: 0 !important; /* 내부 요소 간 간격 0 */
    }

    /* 아이콘 아래 여백 최소화 */
    .icon-item img,
    .icon-card img,
    .mobile-main .icon-card img {
        margin-bottom: 4px !important;
        display: block !important;
    }

    /* 제목 텍스트 위/아래 여백 제거 */
    .icon-item h3,
    .icon-item .title,
    .icon-card h3,
    .icon-card .title {
        margin-top: 0 !important;
        margin-bottom: 0 !important;
        line-height: 1.25 !important;
        text-align: center !important;
        display: block !important;
    }
}



/* ======================================
   📱 모바일: 이미지 아이콘 + 제목 간격 최적화
====================================== */
@media (max-width: 767px) {

    /* 아이콘과 제목이 세로로 균일하게 정렬되도록 */
    .icon-item,
    .icon-card,
    .mobile-main .icon-card {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: flex-start !important;
        gap: 0 !important;
    }

    /* 아이콘 이미지가 세로 비율을 유지하며 보이도록 */
    .icon-item img,
    .icon-card img,
    .mobile-main .icon-card img {
        width: 100% !important;
        height: auto !important;
        max-height: none !important;
        object-fit: contain !important;
        margin-bottom: 4px !important; /* 아이콘 바로 아래 약간의 여백만 유지 */
        display: block !important;
    }

    /* 제목 텍스트 여백 완전히 최소화 */
    .icon-item h3,
    .icon-item .title,
    .icon-card h3,
    .icon-card .title {
        margin-top: 0 !important;
        margin-bottom: 0 !important;
        padding: 0 !important;
        line-height: 1.2 !important;
        text-align: center !important;
        display: block !important;
    }
}

/* ======================================
   📱 모바일: 정사각형 이미지 아이콘 + 제목 간격 최적화
====================================== */
@media (max-width: 767px) {

    /* 아이콘 + 텍스트 수직 정렬 */
    .icon-item,
    .icon-card,
    .mobile-main .icon-card {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: flex-start !important;
        gap: 0 !important;
    }

    /* 정사각형 아이콘을 화면 폭에 맞게 확대 표시 */
    .icon-item img,
    .icon-card img,
    .mobile-main .icon-card img {
        width: 100% !important;
        height: auto !important;
        aspect-ratio: 1 / 1 !important; /* 정사각형 비율 유지 */
        object-fit: cover !important;   /* 꽉 차게 보여주기 */
        object-position: center !important;
        margin-bottom: 4px !important; /* 제목과 거리 최소화 */
        display: block !important;
    }

    /* 제목 폰트 위치 및 간격 줄임 */
    .icon-item h3,
    .icon-item .title,
    .icon-card h3,
    .icon-card .title {
        margin: 0 !important;
        padding: 0 !important;
        line-height: 1.2 !important;
        text-align: center !important;
    }
}