/* Modern & Clean Design with your preferred color */
:root {
    --primary-color: #55c57a; /* A vibrant green */
    --primary-light: #dcffdb;
    --secondary-color: #2c3e50; /* Dark blue for deeper contrast */
    --text-color: #333;
    --bg-color: #f8f9fa;
    --container-bg: #ffffff;
    --shadow-color: rgba(0,0,0,0.08);
    --header-color: var(--secondary-color);
    --border-color: #e0e0e0;
    --link-color: var(--primary-color);
    --link-bg: var(--primary-light);
    --link-hover-bg: var(--primary-color);
    --link-hover-color: #fff;
    --project-card-bg: #ffffff;
    --project-card-border: #f0f0f0;
    --project-title-color: var(--secondary-color);
    --footer-color: #777;
    --toggle-bg: #ccc;
    --toggle-circle: #fff;
    --highlight-color: var(--primary-color);
    --code-bg: #2d2d2d;
    --code-text: #f8f8f2;
    --news-bg: #f1f5f9;
    --news-border: #e2e8f0;
}

body.dark-mode {
    --primary-color: #8be9fd;
    --primary-light: #283a4d;
    --secondary-color: #f8f8f2;
    --text-color: #f8f8f2;
    --bg-color: #282a36;
    --container-bg: #21222c;
    --shadow-color: rgba(0,0,0,0.4);
    --header-color: var(--primary-color);
    --border-color: #44475a;
    --link-color: var(--primary-color);
    --link-bg: #44475a;
    --link-hover-bg: var(--primary-color);
    --link-hover-color: #282a36;
    --project-card-bg: #21222c;
    --project-card-border: #44475a;
    --project-title-color: var(--primary-color);
    --footer-color: #aaa;
    --toggle-bg: #6272a4;
    --toggle-circle: #f8f8f2;
    --highlight-color: #bd93f9;
    --code-bg: #1e1e1e;
    --code-text: #d4d4d4;
    --news-bg: #2d3748;
    --news-border: #4a5568;
}

body {
    font-family: "Kanit", sans-serif;
    font-weight: 400;
    line-height: 1.7;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 30px;
    transition: background-color 0.4s ease, color 0.4s ease;
}
.container {
    max-width: 1400px;
    margin: auto;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

#language-switcher {
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--container-bg);
    color: var(--text-color);
    font-size: 14px;
    font-family: 'Kanit', sans-serif;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 5px var(--shadow-color);
}

#language-switcher:hover {
    border-color: var(--primary-color);
    background-color: var(--link-bg);
}

#language-switcher:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px var(--primary-color);
}

#language-switcher option {
    background-color: var(--container-bg);
    color: var(--text-color);
}

.theme-switch-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}
.theme-switch {
    display: inline-block;
    height: 34px;
    position: relative;
    width: 60px;
}
.theme-switch input { display: none; }
.slider {
    background-color: var(--toggle-bg);
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
}
.slider:before {
    background-color: var(--toggle-circle);
    bottom: 4px;
    content: "";
    height: 26px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 26px;
    border-radius: 50%;
}
input:checked + .slider { background-color: var(--primary-color); }
input:checked + .slider:before { transform: translateX(26px); }

.main-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}
@media (min-width: 1024px) {
    .main-layout { grid-template-columns: 2fr 1fr; }
}

.main-content, .sidebar {
    background: var(--container-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 8px 30px var(--shadow-color);
    transition: background 0.4s ease, box-shadow 0.4s ease;
}

.header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
}
.profile-img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color);
}
.header-text h1 {
    margin: 0;
    font-size: 2.5em;
    font-weight: 700;
    color: var(--secondary-color);
}
.header-text h2 {
    margin: 0;
    font-size: 1.2em;
    color: var(--header-color);
    font-weight: 400;
}

h3 {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 12px;
    margin-top: 40px;
    margin-bottom: 25px;
    font-size: 1.8em;
    font-weight: 600;
    display: flex;
    align-items: center;
    color: var(--secondary-color);
}
h3:first-child { margin-top: 0; }
h3 i {
    margin-right: 12px;
    color: var(--primary-color);
    font-size: 1.2em;
}
.highlight {
    color: var(--highlight-color);
    font-weight: 600;
}

/* News Section */
.news-section h3 { margin-top: 0; }
.news-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.news-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}
.news-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}
.news-item .news-category {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: 600;
    margin-right: 8px;
    color: #fff;
}
.news-category.update { background-color: #3498db; }
.news-category.release { background-color: #2ecc71; }
.news-category.announcement { background-color: #f39c12; }
.news-item p {
    margin: 5px 0 0;
    font-size: 0.95em;
}
.news-item time {
    font-size: 0.8em;
    color: var(--footer-color);
    display: block;
    margin-top: 5px;
}

/* Maven/Code Section */
.code-block {
    background-color: var(--code-bg);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    position: relative;
    overflow-x: auto;
}
.code-block h4 {
    margin: 0 0 10px;
    font-weight: 500;
    color: #9cdcfe;
}
pre {
    margin: 0;
    font-family: 'Fira Code', monospace;
    font-size: 0.9em;
    color: var(--code-text);
}
.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #4a4a4a;
    border: none;
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.8em;
    opacity: 0.7;
    transition: opacity 0.2s;
}
.copy-btn:hover { opacity: 1; }
.copy-btn.copied { background-color: var(--primary-color); }

/* Projects Section */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}
.project-card {
    background: var(--project-card-bg);
    border: 1px solid var(--project-card-border);
    border-radius: 10px;
    padding: 20px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}
body.dark-mode .project-card:hover {
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}
.project-card h4 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1.3em;
    color: var(--project-title-color);
}
.project-card p {
    margin-bottom: 15px;
    flex-grow: 1;
    font-size: 0.95em;
}
.project-links {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.project-links a {
    text-decoration: none;
    padding: 6px 12px;
    font-size: 0.9em;
    background-color: var(--link-bg);
    color: var(--link-color);
    border: 1px solid var(--link-color);
    border-radius: 5px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
}
.project-links a:hover {
    background-color: var(--link-hover-bg);
    color: var(--link-hover-color);
}
.project-links a i { margin-right: 5px; }

/* Links Section */
.links ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.links a {
    text-decoration: none;
    color: var(--link-color);
    background-color: var(--link-bg);
    padding: 8px 15px;
    border-radius: 8px;
    transition: background-color 0.3s, color 0.3s;
    display: inline-flex;
    align-items: center;
    font-weight: 500;
}
.links a:hover {
    background-color: var(--link-hover-bg);
    color: var(--link-hover-color);
}
.links a i { margin-right: 8px; }

footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--footer-color);
    font-size: 0.9em;
}

/* Responsive */
@media (max-width: 768px) {
    body { padding: 15px; }
    .header { flex-direction: column; text-align: center; }
    .main-content, .sidebar { padding: 20px; }
    h1 { font-size: 2em; }
    h2 { font-size: 1.1em; }
    h3 { font-size: 1.5em; }
}