/*
 * 파일명: integrated-style.css
 * 위치: /blog/assets/css/integrated-style.css
 * 기능: 블로그 통합 스타일시트 (메인 + 블로그)
 * 작성일: 2025-05-23
 * 수정일: 2025-05-23
 */

/* ===================================
* CSS 변수 정의 (그린 테마)
* =================================== */
:root {
    /* 메인 컬러 */
    --primary-dark: #2C5F2D;
    --primary-light: #97BC62;
    --primary-hover: #234a24;
    --primary-soft: #b8d89e;
    
    /* 배경 컬러 */
    --bg-primary: #f5f9f3;
    --bg-secondary: #ffffff;
    --bg-gradient-start: #2C5F2D;
    --bg-gradient-end: #97BC62;
    
    /* 텍스트 컬러 */
    --text-primary: #1a3a1b;
    --text-secondary: #4a6b4d;
    --text-muted: #7a9b7d;
    --text-white: #ffffff;
    
    /* 강조 컬러 */
    --accent-color: #97BC62;
    --accent-hover: #7da350;
    --favorite-color: #d4af37;
    --hot-color: #e85d75;
    --notice-bg: #e8f5e9;
    --notice-border: #81c784;
    --notice-text: #2e7d32;
    
    /* 보더 & 그림자 */
    --border-color: #d4e5ce;
    --shadow-sm: 0 2px 4px rgba(44, 95, 45, 0.08);
    --shadow-md: 0 4px 6px rgba(44, 95, 45, 0.12);
    --shadow-lg: 0 10px 15px rgba(44, 95, 45, 0.15);
    
    /* 반경 & 전환 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
* 전역 스타일
* =================================== */
body { 
    font-family: 'Noto Sans KR', 'Malgun Gothic', '맑은 고딕', 'Apple SD Gothic Neo', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
}

main {
    flex: 1;
    margin-top: 100px;
}

.text-gradient {
    background: linear-gradient(90deg, var(--primary-dark), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}


/* ===================================
* 네비게이션 스타일
* =================================== */
.navbar {
    box-shadow: var(--shadow-md);
    padding: 1rem 0;
    background-color: var(--bg-secondary) !important;
}

.navbar-brand {
    font-size: 1.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    color: var(--primary-dark);
}

.navbar-brand i {
    font-size: 1.5rem;
    margin-right: 0.5rem;
    color: var(--primary-light);
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: var(--transition);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.nav-link:hover {
    background-color: var(--bg-primary);
    color: var(--primary-dark);
}

.nav-link.active {
    color: var(--primary-dark) !important;
    background-color: var(--bg-primary);
}

/* ===================================
* 버튼 스타일
* =================================== */
.btn-primary {
    background-color: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
    color: var(--text-white) !important;
    border-radius: var(--radius-sm);
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover, 
.btn-primary:focus {
    background-color: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-primary {
    color: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
    border-radius: var(--radius-sm);
    padding: 0.6rem 1.2rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-outline-primary:hover {
    background-color: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
    color: var(--text-white) !important;
    box-shadow: var(--shadow-md);
}

/* ===================================
* 블로그 카드 스타일
* =================================== */
.blog-post-card { 
    transition: var(--transition);
    border: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--bg-secondary);
}

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

/* ===================================
* 사이드바 스타일
* =================================== */
.sidebar {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.sidebar-title {
    color: var(--primary-dark);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.category-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.category-link:hover {
    color: var(--primary-dark);
}

.sidebar-category {
    transition: var(--transition);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-left: 3px solid transparent;
    color: var(--text-secondary);
    text-decoration: none;
    display: block;
}

.sidebar-category:hover {
    background-color: var(--bg-primary);
    transform: translateX(5px);
    border-left-color: var(--primary-light);
    color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

.sidebar-category.active {
    background-color: var(--bg-primary);
    border-left-color: var(--primary-dark);
    font-weight: 600;
    color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

.sidebar-category .badge,
.sidebar-category-badge {
    background-color: var(--primary-light);
    color: var(--text-white);
    transition: var(--transition);
    border-radius: 12px;
    padding: 0.25rem 0.6rem;
    font-size: 0.85rem;
    font-weight: 500;
    display: inline-block;
}

.sidebar-category:hover .badge,
.sidebar-category:hover .sidebar-category-badge {
    transform: scale(1.1);
    background-color: var(--primary-dark);
}

.sidebar-category.active .badge,
.sidebar-category.active .sidebar-category-badge {
    background-color: var(--primary-dark);
}

.sidebar-category i {
    margin-right: 8px;
    color: var(--primary-light);
    transition: var(--transition);
}

.sidebar-category:hover i,
.sidebar-category.active i {
    color: var(--primary-dark);
}

.tag {
    display: inline-block;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    margin: 0.25rem;
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--primary-dark);
    color: var(--text-white);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* ===================================
* 입력 필드 스타일
* =================================== */
.input-group-text { 
    border-right: none; 
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.form-control { 
    border-left: none;
    padding-left: 0;
    border-color: var(--border-color);
    color: var(--text-primary);
}

.form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 0.2rem rgba(151, 188, 98, 0.25);
}

/* ===================================
* 페이지네이션 스타일
* =================================== */
.pagination .page-link {
    border-radius: var(--radius-sm);
    margin: 0 2px;
    color: var(--primary-dark);
    border-color: var(--border-color);
    transition: var(--transition);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
}

.pagination .page-link:hover {
    color: var(--primary-hover);
    background-color: var(--bg-primary);
    border-color: var(--primary-light);
}

/* ===================================
* 푸터 스타일
* =================================== */
.footer {
    background: var(--primary-dark);
    color: var(--text-white);
    border-top: none;
    padding: 4rem 0 2rem;
    margin-top: 3rem;
}

.footer h5 {
    color: var(--text-white);
    font-weight: 600;
}

.footer .text-muted {
    color: rgba(255, 255, 255, 0.7) !important;
}

.footer a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer a:hover {
    color: var(--text-white);
}

/* ===================================
* 브레드크럼 스타일
* =================================== */
.breadcrumb {
    background: var(--bg-primary);
    padding: 0.75rem 1rem;
    margin-top: 1rem;
    margin-bottom: 0;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--text-muted);
    padding: 0 0.5rem;
    font-weight: bold;
}

.breadcrumb-item a {
    color: var(--primary-dark);
    transition: var(--transition);
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
}

.breadcrumb-item a:hover {
    color: var(--primary-hover);
    background-color: var(--bg-secondary);
    transform: translateY(-1px);
}

.breadcrumb-item.active {
    color: var(--text-muted);
    font-weight: 500;
    display: flex;
    align-items: center;
}

/* ===================================
* 게시물 컨텐츠 스타일
* =================================== */
.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 1rem 0;
    box-shadow: var(--shadow-md);
}

.post-content blockquote {
    border-left: 4px solid var(--primary-dark);
    padding-left: 1rem;
    margin: 1rem 0;
    font-style: italic;
    background-color: var(--bg-primary);
    padding: 1rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.post-meta {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.post-tags {
    margin-top: 1rem;
}

/* ===================================
* 관리자 컨트롤
* =================================== */
.admin-controls {
    position: sticky;
    top: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 2rem;
    z-index: 10;
    box-shadow: var(--shadow-sm);
}

/* ===================================
* 관련 게시물 및 태그 클라우드
* =================================== */
.related-posts .card {
    transition: var(--transition);
    border: none;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-md);
}

.related-posts .card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.tag-cloud {
    line-height: 2;
}

.tag-cloud .tag {
    margin: 0.25rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.tag-cloud .tag:hover {
    background-color: var(--primary-dark);
    color: var(--text-white);
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-dark);
}

/* ===================================
* 댓글 섹션 스타일
* =================================== */
.comments-section {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.comment-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
}

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

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.comment-author {
    font-weight: 600;
    color: var(--primary-dark);
}

.comment-date {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.comment-content {
    color: var(--text-primary);
    line-height: 1.7;
}

/* ===================================
* 빈 상태 스타일
* =================================== */
.empty-blog-state,
.empty-search-state,
.empty-category-state,
.empty-tag-state,
.no-results {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color);
    margin: 30px 0;
}

.empty-blog-state i,
.empty-search-state i,
.empty-category-state i,
.empty-tag-state i,
.no-results i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    opacity: 0.6;
}

.empty-blog-state h2,
.empty-blog-state h3,
.empty-search-state h2,
.empty-search-state h3,
.empty-category-state h3,
.empty-tag-state h3,
.no-results h3 {
    color: var(--text-secondary);
    font-size: 1.5rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.empty-blog-state p,
.empty-search-state p,
.empty-category-state p,
.empty-tag-state p,
.no-results p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 20px;
}

/* ===================================
* 알림 메시지 스타일
* =================================== */
.alert {
    border-radius: var(--radius-sm);
    border: none;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
}

.alert-success {
    background-color: var(--notice-bg);
    color: var(--notice-text);
    border-left: 4px solid var(--notice-border);
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 4px solid #ffc107;
}

.alert i {
    margin-right: 0.5rem;
}

/* ===================================
* 로딩 애니메이션
* =================================== */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: var(--text-white);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===================================
* 스크롤바 커스터마이징
* =================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ===================================
* 접근성 개선
* =================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.sr-only-focusable:focus {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

/* ===================================
* 애니메이션
* =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fadeIn {
    animation: fadeIn 0.5s ease-out;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(44, 95, 45, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(44, 95, 45, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(44, 95, 45, 0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* ===================================
* 반응형 조정
* =================================== */
@media (max-width: 991.98px) {
    main {
        margin-top: 90px;
    }
}

@media (max-width: 767.98px) {
    main {
        margin-top: 85px;
    }
    
    .card-title {
        font-size: 1.5rem;
    }
    
    .sidebar {
        padding: 1rem;
    }
}

@media (max-width: 575.98px) {
    main {
        margin-top: 80px;
    }
    
    .card-title {
        font-size: 1.3rem;
    }
    
    .sidebar {
        padding: 0.75rem;
    }
    
    .comment-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .breadcrumb {
        font-size: 0.8rem;
        padding: 0.5rem;
    }
    
    .breadcrumb-item + .breadcrumb-item::before {
        padding: 0 0.3rem;
    }
    
    .breadcrumb-item.active {
        max-width: 150px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

/* ===================================
* 프린트 스타일
* =================================== */
@media print {
    .navbar,
    .sidebar,
    .footer,
    .admin-controls,
    .breadcrumb,
    .btn {
        display: none;
    }
    
    body {
        background-color: white;
        color: black;
    }
    
    main {
        margin-top: 0;
    }
}

/* ===================================
* 모션 감소 설정 지원
* =================================== */
@media (prefers-reduced-motion: reduce) {
    .fadeIn,
    .pulse,
    .loading-spinner {
        animation: none;
    }
    
    .blog-post-card,
    .related-posts .card,
    .tag,
    .btn,
    .nav-link,
    .sidebar-category {
        transition: none;
    }
}