:root {
    --bg-body: #000000;
    --bg-surface: #111111;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --accent-color: #90caf9;
    --border-color: #333333;
    --spacing: 20px;
    --font-main:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
        sans-serif;
}

[data-theme="light"] {
    --bg-body: #ffffff;
    --bg-surface: #f5f5f5;
    --text-primary: #000000;
    --text-secondary: #666666;
    --accent-color: #1976d2;
    --border-color: #e0e0e0;
}

* {
    transition:
        background-color 0.3s ease,
        color 0.3s ease,
        border-color 0.3s ease;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 12px;
    margin-left: 15px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background-color: var(--bg-surface);
}

.toggle-icon {
    font-size: 1.2em;
    transition: transform 0.3s ease;
}

header nav {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

header nav a {
    margin: 0 15px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

header nav a:hover,
header nav a.active {
    color: var(--accent-color);
}

header {
    background-color: var(--bg-body);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing);
    text-align: center;
}

nav a {
    margin: 0 15px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.2s ease;
}

nav a:hover,
nav a.active {
    color: var(--accent-color);
}

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px var(--spacing);
}

h1,
h2,
h3 {
    color: var(--text-primary);
    margin-top: 0;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero {
    text-align: center;
    margin-bottom: 60px;
}

.hero img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.row-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 40px;
}

.row-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.row-text {
    flex: 1;
    padding-right: 20px;
    font-size: 1.25rem;
    text-align: center;
}

.row-card-link {
    flex: 0 0 200px;
    text-decoration: none;
    display: block;
}

.row-card-link .card {
    height: 100%;
    cursor: pointer;
}

.row-card-link:hover .card {
    transform: translateY(-4px);
    border-color: var(--accent-color);
    background-color: #1a1a1a;
}

.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    transition:
        transform 0.2s ease,
        border-color 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
}

.entry-card {
    margin-bottom: 80px;
}

.project-title {
    margin-bottom: 20px;
    color: var(--text-primary);
    text-align: center;
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.project-gallery img {
    width: 100%;
    height: 300px;
    object-fit: contain;
    background-color: transparent;
    border-radius: 4px;
    display: block;
}

.entry-card h1,
.entry-card h2,
.entry-card h3 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.entry-card ul,
.entry-card ol {
    color: var(--text-secondary);
    padding-left: 20px;
    margin-bottom: 1.5rem;
}

.entry-card blockquote {
    border-left: 4px solid var(--accent-color);
    margin: 1.5rem 0;
    padding-left: 1rem;
    color: var(--text-secondary);
    font-style: italic;
    background-color: #1a1a1a;
    padding: 10px;
    border-radius: 4px;
}

#pagination {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.page-btn {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-main);
}

.page-btn:hover:not(:disabled) {
    background-color: #252525;
    border-color: var(--accent-color);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    color: var(--text-secondary);
}

footer {
    text-align: center;
    padding: 40px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-top: 40px;
}

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

a:hover {
    text-decoration: underline;
}

.text-center {
    text-align: center;
}

.text-error {
    text-align: center;
    color: red;
}

.hidden {
    display: none;
}

.pagination-info {
    align-self: center;
    color: var(--text-secondary);
}

.projects-page-title {
    text-align: center;
    margin-bottom: 50px;
}

.game-embed-container {
    width: 100%;
    max-width: 621px;
    margin: 0 auto;
}

.game-embed-wrapper {
    position: relative;
    padding-bottom: 82.61%; /* 513/621 aspect ratio */
    height: 0;
    overflow: hidden;
    width: 100%;
}

.game-embed-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}