/* 교육 학습.html 파일에서 가져온 CSS 코드 */
:root {
    --primary-color: #007bff;
    --secondary-color: #fd7e14; /* 취미 테마에 맞춰 주황색 계열 사용 */
    --success-color: #198754;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #20c997;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --darker-gray: #495057;
    --darkest-gray: #343a40;
    --text-color: #333;
    --heading-color: #212529;
    --white-color: #ffffff;
    --body-font: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --base-font-size: 16px;
    --border-radius: 0.5rem;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--body-font); line-height: 1.7; color: var(--text-color); background-color: var(--light-gray); font-weight: 400; font-size: var(--base-font-size); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 15px; }
a { text-decoration: none; color: var(--primary-color); transition: all 0.2s ease; }
a:hover { color: #0056b3; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; vertical-align: middle; }
h1, h2, h3, h4, h5, h6 { font-weight: 600; color: var(--heading-color); line-height: 1.4; margin-bottom: 1rem; margin-top: 1.5rem; }
h1 { font-size: 2.5rem; font-weight: 700; text-align: center; margin-bottom: 1.5rem; color: var(--secondary-color); } /* 제목 색상 변경 */
h2 { font-size: 1.75rem; font-weight: 700; color: var(--primary-color); border-bottom: 2px solid var(--medium-gray); padding-bottom: 0.75rem; margin-bottom: 1.5rem;}
h3 { font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--darkest-gray); font-weight: 600;}
p { margin-bottom: 1rem; color: var(--darker-gray); }
p:last-child { margin-bottom: 0; }
ul { list-style: none; padding-left: 0; margin-bottom: 0;}
li { margin-bottom: 0.75rem; }
section { padding: 3rem 0; }
.section-bg-white { background-color: var(--white-color); }
.section-bg-light { background-color: var(--light-gray); }
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.icon { display: inline-block; width: 18px; height: 18px; background-color: var(--medium-gray); border-radius: 3px; vertical-align: -3px; margin-right: 6px; }

/* Header Style */
.header { background-color: var(--white-color); padding: 1rem 0; border-bottom: 1px solid var(--medium-gray); z-index: 1030; box-shadow: 0 2px 4px rgba(0,0,0,0.05); }
.header .container { display: flex; justify-content: space-between; align-items: center; }
.header .logo a { font-size: 1.75rem; font-weight: 700; color: var(--darkest-gray); }

/* Breadcrumb Style */
.breadcrumb { background-color: var(--medium-gray); padding: 0.75rem 0; font-size: 0.9rem; margin-bottom: 3rem; }
.breadcrumb a { color: var(--dark-gray); }
.breadcrumb a:hover { color: var(--primary-color); }
.breadcrumb span { margin: 0 0.5rem; color: var(--dark-gray); }
.breadcrumb strong { color: var(--darkest-gray); font-weight: 600; }

.subcategory-section { padding-top: 0; }
.page-description { max-width: 750px; margin-left: auto; margin-right: auto; margin-bottom: 3.5rem; color: var(--dark-gray); text-align: center;}

/* Info Content Section Style */
.info-content-section { background-color: var(--light-gray); padding-bottom: 4rem; }
.info-content-section h2 { color: var(--secondary-color); border: none; padding-bottom: 0; text-align: center; margin-bottom: 2rem;}
.info-content-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.info-content-item { background-color: var(--white-color); padding: 2rem 1.75rem; border: 1px solid var(--medium-gray); border-radius: var(--border-radius); box-shadow: 0 3px 7px rgba(0,0,0,0.05); display: flex; flex-direction: column; height: 100%; white-space: normal; }
.info-content-item h3 { font-size: 1.2rem; margin-bottom: 1rem; color: var(--secondary-color); font-weight: 700; display: flex; align-items: center; gap: 0.5rem; }
.info-content-item h3 .icon { background-color: var(--secondary-color); opacity: 0.8; width: 20px; height: 20px; }
.info-content-item p, .info-content-item li { font-size: 0.9rem; color: var(--darker-gray); line-height: 1.8; }
.info-content-item ul { list-style: '✓ '; list-style-position: inside; padding-left: 0.5rem; margin-top: 1rem; flex-grow: 1; }
.info-content-item li { margin-bottom: 0.75rem; }

/* Subcategory Grid Style */
.subcategory-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.subcategory-item { background-color: var(--white-color); border: 1px solid var(--medium-gray); border-radius: var(--border-radius); padding: 2rem; box-shadow: 0 3px 7px rgba(0,0,0,0.05); }
.subcategory-item h2 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--primary-color); text-align: left; border-bottom: none; padding-bottom: 0; }
.subcategory-item .subcategory-description { font-size: 0.9rem; color: var(--dark-gray); margin-bottom: 1.5rem; text-align: left;}
.link-list { list-style: none; padding-left: 0; }
.link-list li { border-bottom: 1px dashed var(--medium-gray); padding-bottom: 1rem; margin-bottom: 1rem; display: flex; align-items: flex-start; gap: 0.75rem; }
.link-list li:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.link-list .link-favicon { width: 16px; height: 16px; background-color: var(--medium-gray); border-radius: 2px; flex-shrink: 0; margin-top: 0.2em; } /* Placeholder */
.link-content-wrapper { flex-grow: 1; display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.link-main-info { display: flex; flex-wrap: wrap; align-items: center; gap: 0 0.5rem; flex-grow: 1; }
.link-list .site-link { font-weight: 600; color: var(--heading-color); font-size: 1rem; }
.link-list .site-link:hover { color: var(--primary-color); text-decoration: underline; }
.link-list .site-desc { font-size: 0.85rem; color: var(--dark-gray); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 150px; }
.detail-link-icon { display: inline-flex; align-items: center; gap: 0.25rem; font-size: 0.85rem; color: var(--dark-gray); text-decoration: none; border: 1px solid var(--medium-gray); padding: 0.2rem 0.5rem; border-radius: 3px; white-space: nowrap; transition: all 0.2s ease; flex-shrink: 0; margin-top: 0.1em; }
.detail-link-icon svg { width: 1em; height: 1em; fill: currentColor; opacity: 0.7; transition: opacity 0.2s ease; }
.detail-link-icon:hover { background-color: #e7f3ff; border-color: var(--primary-color); color: var(--primary-color); text-decoration: none; }
.detail-link-icon:hover svg { opacity: 1; }

/* FAQ Section Style */
.faq-section { background-color: var(--light-gray); padding-bottom: 5rem;}
.faq-section h2 { color: var(--success-color); text-align: center; border: none; margin-bottom: 1.5rem; padding-bottom: 0; }
.faq-container { max-width: 850px; margin: 0 auto; background-color: var(--white-color); padding: 1.5rem 2rem; border-radius: var(--border-radius); border: 1px solid var(--medium-gray); box-shadow: 0 3px 7px rgba(0,0,0,0.05);}
.faq-item { border-bottom: 1px solid var(--medium-gray); }
.faq-item:last-child { border-bottom: none; }
.faq-item summary { padding: 1.5rem 0; font-size: 1.1rem; font-weight: 600; color: var(--darkest-gray); cursor: pointer; list-style: none; position: relative; padding-right: 2.5rem; transition: color 0.2s ease; background-color: transparent; }
.faq-item summary:hover { color: var(--primary-color); }
.faq-item summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.5rem; color: var(--primary-color); transition: transform 0.2s ease; }
.faq-item[open] summary::after { content: '−'; transform: translateY(-50%);}
.faq-item[open] summary { color: var(--primary-color); }
.faq-answer { padding: 1.5rem 1rem; font-size: 0.95rem; color: var(--darker-gray); line-height: 1.8; background-color: var(--white-color); border-top: 1px dashed var(--medium-gray);}
.faq-answer p { margin-bottom: 1rem; }
.faq-answer p:last-child { margin-bottom: 0; }
.faq-item summary::-webkit-details-marker { display: none; }

/* Responsive Styles */
@media (max-width: 992px) {
    h1 { font-size: 2.25rem; } h2 { font-size: 1.6rem; }
    .subcategory-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
    .info-content-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
        .link-list .site-desc { max-width: 120px; }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; } h2 { font-size: 1.5rem; }
    section { padding: 2.5rem 0; }
    h1 { margin-bottom: 1rem;}
    .page-description { margin-bottom: 2.5rem; font-size: 0.95rem; }
    .breadcrumb { margin-bottom: 1.5rem; }
    .subcategory-grid { grid-template-columns: 1fr; gap: 1.5rem;}
    .subcategory-item { padding: 1.5rem; }
    .link-list .link-content-wrapper { flex-direction: column; align-items: flex-start; gap: 0.5rem;}
    .link-list .detail-link-icon { margin-left: 0; }
    .info-content-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .info-content-item { padding: 1.75rem 1.25rem; }
    .info-content-item h3 { font-size: 1.1rem; }
        .faq-item summary { font-size: 1rem; padding-right: 1.5rem; }
        .faq-answer { font-size: 0.9rem; padding: 1rem 0.5rem; }
        .link-list .site-desc { white-space: normal; max-width: none; }
}