/* Light mode styles */
html[data-theme='light'] {
    --bg-color: #f0f2f5;
    --text-color: #333333;
    --container-bg: #ffffff;
    --link-color: #007bff;
    --link-hover-color: #0056b3;
    --border-color: #e0e0e0;
    --table-border-color: #cccccc;
    --table-header-bg: #e9ecef;
    --table-row-bg: #ffffff;
    --table-alt-row-bg: #f8f9fa;
    --heading-color: #212529;
    --h1: #212529;
    --name: #2ECC71;
}

/* Dark mode variables */
html[data-theme='dark'] {
    --bg-color: #121212;
    --text-color: #E0E0E0;
    --container-bg: #1e1e1e;
    --link-color: #BB86FC;
    --link-hover-color: #fff;
    --border-color: #444;
    --table-border-color: #333;
    --table-header-bg: #2a2a32;
    --table-row-bg: #1e1e1e;
    --table-alt-row-bg: #23232b;
    --heading-color: #FFFFFF;
    --h1: #007bff;
    --name: #46D7AC;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    transition: background-color 0.3s, color 0.3s;
}

.content-container {
    background-color: var(--container-bg);
    border: 1px solid var(--border-color);
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    border-radius: 8px;
}

h1 {
    color: var(--h1);
    margin-bottom: 20px;
}

h2 {
    color: var(--link-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover-color);
    text-decoration: underline;
}

/* Table Styles */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1em;
    color: var(--text-color);
}

th, td {
    border: 1px solid var(--table-border-color);
    padding: 8px;
    text-align: left;
}

th {
    background-color: var(--table-header-bg);
    font-weight: bold;
}

tr:nth-child(even) {
    background-color: var(--table-alt-row-bg);
}

/* Project Grid Styles */
.project-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.project-grid2 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.project-card {
    background-color: var(--table-row-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.project-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    transition: transform 0.3s;
}

.project-card:hover img {
    transform: scale(1.05);
}

.project-card h3 {
    color: var(--heading-color);
    margin: 15px 0 10px;
}



.project-card a {
    display: inline-block;
    margin: 5px;
    padding: 10px 20px;
    background: var(--link-color);
    color: var(--container-bg);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.project-card a:hover {
    opacity: 0.8;
}

/* Project Tags */
.project-card .tags {
    padding: 0 15px 10px;
    text-align: center;
}

.project-card .tags span {
    display: inline-block;
    background-color: var(--table-header-bg);
    color: var(--text-color);
    padding: 4px 10px;
    margin: 2px;
    border-radius: 12px;
    font-size: 0.8em;
    border: 1px solid var(--border-color);
}

/* Styles for the new description format */
.project-card .description-list {
    text-align: left;
    padding: 0 15px;
    font-size: 0.9em;
    flex-grow: 1;
}

.project-card .description-list p {
    margin: 5px 0;
}

strong {
    color: #868cfc;
}

/* Link-specific styles */
.project-card a.play-store-link,
.project-card a.play-link {
    background-color: #868cfc;
}

.project-card a.github-link {
    background-color: #bb86fc;
}

.project-card a.dev-logs-link {
    background-color: #f686fc;
}

.project-card p {
    padding: 0 10px;
}

.about-section {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.name {
    color: var(--name);
    font-weight: bold;
}

.profile-picture {
    width: 165px;
    border-radius: 15%;
    object-fit: cover;
    border: 3px solid var(--name);
}

.about-section div {
    flex-grow: 1;
}

summary {
    cursor: pointer;
    list-style: none; /* 기본 화살표 아이콘 제거 */
}

/* 웹킷 기반 브라우저(Chrome, Safari)용 기본 화살표 제거 */
summary::-webkit-details-marker {
    display: none;
}

/* 제목(h2)이 summary와 같은 줄에 위치하도록 조정 */
summary h2 {
    display: inline-block;
    vertical-align: middle;
}

/* 커스텀 화살표 아이콘 추가 */
summary::before {
    content: '▼';
    display: inline-block;
    margin-right: 0.5em;
    transition: transform 0.2s ease-in-out;
    vertical-align: middle;
}

/* details가 닫혀있을 때 화살표 방향 변경 */
details:not([open]) > summary::before {
    transform: rotate(-90deg);
}

.blog-link {
    color: #868cfc;
    text-decoration: none;
}

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

/* 아티클 관련 */
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.article-grid2 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.article-card {
    background-color: var(--table-row-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.article-card h3 {
    color: var(--heading-color);
    margin: 10px 0;
}

.article-card p {
    color: var(--text-color);
    font-size: 0.9em;
}

.article-card a.read-more {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 12px;
    background: var(--link-color);
    color: var(--container-bg);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.article-card a.read-more:hover {
    opacity: 0.8;
}

a[target="_blank"]::after {
    content: ' ↗';
    display: inline-block;
    margin-left: 4px;
    font-size: 0.8em;
    text-decoration: none !important;
}

.closing-message {
    text-align: center;
    font-weight: bold;
    color: var(--text-color);
}

/* Download Buttons */
.download-buttons {
    text-align: center;
    margin-bottom: 10px;
}

.download-button {
    display: inline-block;
    margin: 5px 10px;
    padding: 12px 24px;
    background-color: var(--name);
    color: var(--container-bg);
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.2s;
}

.download-button:hover {
    background-color: var(--link-hover-color);
    color: var(--bg-color);
    transform: translateY(-2px);
    text-decoration: none;
}

.visit-button {
    display: inline-block;
    margin: 5px 10px;
    padding: 12px 24px;
    background-color: var(--link-color);
    color: var(--container-bg);
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.2s;
}

.visit-button:hover {
    background-color: var(--link-hover-color);
    color: var(--bg-color);
    transform: translateY(-2px);
    text-decoration: none;
}

.game-log-controls {
    text-align: center;
    margin-bottom: 20px;
}

#toggle-game-log {
    background-color: var(--link-color);
    color: var(--container-bg);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.2s;
}

#toggle-game-log:hover {
    background-color: var(--link-hover-color);
    transform: translateY(-2px);
}

/* Portfolio Deep Dive Styles */
.back-link {
    font-weight: bold;
    font-size: 1.1em;
}

.case-study-card {
    background-color: var(--table-row-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 40px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.cs-header {
    background-color: var(--table-header-bg);
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.cs-header h2 {
    margin: 0 0 10px 0;
    border-bottom: none;
    color: var(--heading-color);
}

.cs-quote {
    font-style: italic;
    color: var(--link-color);
    margin: 0;
    font-size: 1.1em;
}

.cs-content {
    padding: 20px;
}

.cs-block {
    margin-bottom: 25px;
}

.cs-block:last-child {
    margin-bottom: 0;
}

.cs-block h3 {
    margin-top: 0;
    font-size: 1.2em;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
    margin-bottom: 10px;
}

.cs-block ul {
    margin: 0;
    padding-left: 20px;
}

.cs-block li {
    margin-bottom: 5px;
}

/* Obstacle Block Styling */
.cs-obstacle {
    background-color: rgba(255, 82, 82, 0.1); /* Light Red tint */
    border-left: 4px solid #ff5252;
    padding: 15px;
    border-radius: 0 8px 8px 0;
}

html[data-theme='light'] .cs-obstacle {
    background-color: rgba(255, 82, 82, 0.05);
}

.cs-obstacle h3 {
    color: #ff5252;
    border-bottom-color: rgba(255, 82, 82, 0.3);
}

/* Solution Block Styling */
.cs-solution {
    background-color: rgba(76, 215, 172, 0.1); /* Light Green tint */
    border-left: 4px solid #46D7AC;
    padding: 15px;
    border-radius: 0 8px 8px 0;
}

html[data-theme='light'] .cs-solution {
    background-color: rgba(46, 204, 113, 0.05);
    border-left-color: #2ECC71;
}

html[data-theme='light'] .cs-solution h3 {
    color: #2ECC71;
    border-bottom-color: rgba(46, 204, 113, 0.3);
}

.cs-solution h3 {
    color: #46D7AC;
    border-bottom-color: rgba(76, 215, 172, 0.3);
}