/* CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Custom Properties */
:root {
    --color-text: #333;
    --color-text-hover: #666;
    --color-background: #fff;
    --spacing-unit: 10px;
    --max-width: 650px;
    --border-radius: 10px;
    --font-size-base: 16px;
    --font-size-small: 0.85em;
    --font-size-smaller: 0.8em;
    --print-text-color: #000;
    --print-background: #fff;
    --spacing-section: 40px;    /* New spacing for sections */
    --spacing-item: 30px;       /* New spacing for items */
    --headline-margin: .5em;   /* New spacing for headlines */
    --paragraph-margin: .5em;    /* New spacing for paragraphs */
    --font-family-base: "Roboto", Arial, sans-serif;
    --font-family-mono: "SF Mono", "Courier New", Courier, monospace;
}

/* Base Styles */
body {
    line-height: 1.4;
    font-size: var(--font-size-base);
    padding: 0 var(--spacing-unit);
    margin: 50px auto;         /* Restore original margin */
    max-width: var(--max-width);
    color: var(--color-text);
    font-family: var(--font-family-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Layout */
.container {
    width: 100%;
}

/* Header Components */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.header-content {
    flex: 1;
}

.subtitle {
    color: var(--color-text);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-unit);
    opacity: 0.8;
}

.profile-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-left: 20px;
    object-fit: cover;
    object-position: 30% center;
}

.profile-image:hover {
    content: url('resources/mantaray-square.png');
    object-position: 70% center;
}

/* Social Icons */
.social-icons {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.social-icons a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 20px;
}

.social-icons a:hover {
    color: var(--color-text-hover);
}

/* Section spacing */
.section {
    margin-bottom: var(--spacing-section);
}

/* Section Content */
.section p {
    margin-bottom: var(--paragraph-margin);
}

.section p:last-child {
    margin-bottom: 0;
}

/* Publications */
.publication {
    margin-bottom: var(--spacing-unit);
}

.publication-item {
    display: flex;
    gap: var(--spacing-item);
    margin-bottom: var(--spacing-item);
    align-items: flex-start;
}

.publication-item > a {
    display: flex;
    gap: var(--spacing-item);
    text-decoration: none;
    color: var(--color-text);
    width: 100%;
}

.publication-image {
    flex: 0 0 220px;
}

.publication-image a {
    display: block;
    transition: opacity 0.2s ease;
}

.publication-image a:hover {
    opacity: 0.85;
}

.publication-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    transition: opacity 0.2s ease;
}

.publication-item:hover img {
    opacity: 0.85;
}

.publication-content {
    flex: 1;
}

.publication-title {
    color: var(--color-text);
    font-weight: 500;
    text-decoration: none;
    display: block;
    margin-bottom: 0px;
    font-size: var(--font-size-small);
}

.publication-authors {
    margin-bottom: 10px;        /* Restore original spacing */
    font-size: var(--font-size-small);
}

.publication-venue {
    font-style: italic;
    font-size: var(--font-size-smaller);
}

.publication-citation {
    font-size: var(--font-size-smaller);
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--paragraph-margin);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--headline-margin);
    font-family: var(--font-family-base);
}

h1 + .subtitle {
    margin-top: -1em;  /* Pull subtitle closer to h1 */
    margin-bottom: var(--spacing-unit);
}

/* News List */
.news-list {
    list-style-position: inside;
    padding-left: 1.5em;
    text-indent: -1.5em;
}

.news-list li {
    line-height: 1.6;
}

/* Publications Section */
.publications-list {
    list-style: none;
    padding-left: 20px;
    margin: 20px 0;
}

.publications-list li {
    margin-bottom: 20px;
}

.publications-list li:last-child {
    margin-bottom: 0;
}

.publications-list a {
    text-decoration: none;
    color: var(--color-text);
    display: block;
}

.publications-list a:hover {
    color: var(--color-text-hover);
}

/* Projects Section */
.projects-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.projects-list li {
    display: flex;
    gap: 20px;
    margin-bottom: var(--spacing-item);
    padding: 20px;
    background: #f8f9fa;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
    align-items: flex-start;
}

.projects-list li:hover {
    background: #f0f2f5;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.projects-list li:last-child {
    margin-bottom: 0;
}

.project-image {
    flex: 0 0 80px;
}

.project-image img {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius);
    object-fit: cover;
}

.project-content {
    flex: 1;
}

.projects-list a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.1em;
    display: block;
    margin-bottom: 8px;
}

.projects-list a:hover {
    color: var(--color-text-hover);
    text-decoration: underline;
}

.projects-list p {
    margin: 0;
    color: var(--color-text);
    line-height: 1.5;
    font-size: var(--font-size-small);
    opacity: 0.9;
}

/* Add bottom margin to projects section */
section[aria-labelledby="projects-heading"] {
    margin-bottom: var(--spacing-section);
    padding-bottom: var(--spacing-section);
    border-bottom: 1px solid #e9ecef;
}

/* Video Container */
.video-container {
    margin: 20px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: var(--border-radius);
}

.video-container h5 {
    margin-bottom: 15px;
    font-size: 1.1em;
    font-weight: 500;
    color: var(--color-text);
}

.video-container iframe {
    width: 100%;
    max-width: 560px;
    height: 315px;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Utilities */
.code-font {
    font-family: var(--font-family-mono);
}

.scrambled {
    user-select: none;
    cursor: pointer;
}

.scrambled:hover {
    color: var(--color-text-hover);
}

a.watch-video {
    font-weight: bold;
    color: blue;
    text-decoration: underline;
}

/* Media Queries */
@media (max-width: 768px) {
    .container {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .social-icons {
        width: 100%;
        justify-content: center;
        gap: 40px;
        margin-bottom: var(--spacing-section);
    }

    .social-icons a {
        font-size: 28px;
    }

    header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        width: 100%;
    }

    .header-content {
        order: 2;
        text-align: center;
    }

    .profile-image {
        margin: 0 0 var(--spacing-item) 0;
        order: 1;
        margin-left: 0;
    }
}

@media (max-width: 650px) {
    .publication-item {
        flex-direction: column;
        gap: 15px;
    }

    .publication-item > a {
        flex-direction: column;
        gap: 15px;
    }

    .publication-image {
        flex: 0 0 auto;
        width: 100%;
    }

    .publication-content {
        width: 100%;
    }

    .publications-list {
        padding-left: 15px;
    }

    .publications-list li {
        margin-bottom: 25px;
    }

    .projects-list li {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .project-image {
        flex: 0 0 auto;
        align-self: center;
    }

    .project-content {
        width: 100%;
    }

    .video-container iframe {
        height: 200px;
    }
}

/* Print Styles */
@media print {
    body {
        color: var(--print-text-color);
        background: var(--print-background);
    }
    
    .social-icons,
    .scrambled {
        display: none;
    }
    
    a[href]::after {
        content: " (" attr(href) ")";
    }
}

.publication-citation span, .publication-citation a { display: inline; }
.publication-citation:hover {
    color: var(--color-text-hover);
}

.thank-you-image {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.thank-you-image img {
    width: 100%;
    height: auto;
    display: block;