/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:wght@400;600;700&display=swap');

/* Charter Font Faces */
@font-face {
    font-family: 'Charter';
    src: url('../assets/font/Charter Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Charter';
    src: url('../assets/font/Charter Italic.ttf') format('truetype');
    font-weight: 400;
    font-style: italic;
}

@font-face {
    font-family: 'Charter';
    src: url('../assets/font/Charter Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Charter';
    src: url('../assets/font/Charter Bold Italic.ttf') format('truetype');
    font-weight: 700;
    font-style: italic;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Charter', 'Bitstream Charter', 'Sitka Text', Cambria, serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    font-size: 16px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Container */
.container {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    gap: 60px;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    flex: 0 0 300px;
    position: sticky;
    top: 40px;
    max-height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
}

.sidebar .profile-photo {
    width: 100%;
    height: auto;
    border-radius: 4px;
    margin-bottom: 20px;
    display: block;
}

/* Header */
header {
    margin-bottom: 0;
    flex: 1;
}

h1 {
    font-family: 'Noto Sans', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-heading);
}

.subtitle {
    font-size: 1rem;
    color: var(--text-meta);
    margin-bottom: 15px;
}

.links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.links a,
.links span {
    color: var(--link-color);
    text-decoration: none;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.links a svg,
.links span svg {
    flex-shrink: 0;
}

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

/* Main Content */
.main-content {
    flex: 1;
    min-width: 0;
}

/* Shared Markdown Content Styling */
.markdown-content h1 {
    font-family: 'Noto Sans', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 20px;
    margin-top: 0;
}

.markdown-content h2 {
    font-family: 'Noto Sans', sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 30px;
    margin-top: 0;
    color: var(--text-heading);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.markdown-content h3 {
    font-family: 'Noto Sans', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    margin-top: 40px;
    color: var(--text-subheading);
}

.markdown-content h3:first-of-type {
    margin-top: 20px;
}

.markdown-content p {
    margin-bottom: 15px;
    text-align: justify
}

.markdown-content ul {
    margin-bottom: 15px;
    padding-left: 25px;
}

.markdown-content li {
    margin-bottom: 5px;
}

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

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

.markdown-content strong {
    font-weight: 600;
}

.markdown-content em {
    font-style: italic;
}

/* Publications-specific overrides */
#publications-content strong {
    font-size: 1.1rem;
    display: block;
    margin-bottom: 5px;
    color: var(--text-heading);
}

#publications-content em {
    display: block;
    margin-bottom: 8px;
    color: var(--text-meta);
}

#publications-content a {
    margin-right: 10px;
}

#publications-content p {
    margin-bottom: 20px;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid var(--border-light);
}

#back-to-top {
    color: var(--accent-color);
    text-decoration: none;
    font-size: 0.9rem;
}

#back-to-top:hover {
    text-decoration: underline;
}

/* Theme Toggle Button */
#theme-toggle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-top: auto;
    margin-bottom: 20px;
    align-self: flex-start;
}

#theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

#theme-toggle svg {
    color: var(--text-primary);
    transition: opacity 0.3s ease;
}

[data-theme="light"] #theme-toggle .sun-icon {
    display: block;
}

[data-theme="light"] #theme-toggle .moon-icon {
    display: none;
}

[data-theme="dark"] #theme-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] #theme-toggle .moon-icon {
    display: block;
}

/* Code Blocks */
pre {
    border-radius: 6px;
    overflow: hidden;
}

pre code {
    font-size: 0.875rem;
    line-height: 1.5;
}


@media (max-width: 968px) {
    .container {
        flex-direction: column;
        gap: 40px;
    }

    .sidebar {
        position: static;
        flex: none;
        align-items: center;
        text-align: center;
    }

    .sidebar .profile-photo {
        max-width: 200px;
        margin-left: auto;
        margin-right: auto;
    }

    .links {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
    }

    #theme-toggle {
        position: fixed;
        bottom: 20px;
        left: 20px;
        margin-top: 0;
        margin-bottom: 0;
        z-index: 1000;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 30px 15px;
    }

    h1 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }
}