/* Modern color palette and typography */
:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --accent-color: #0ea5e9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --background-light: #f8fafc;
    --border-light: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --border-radius: 12px;
}

/* Global improvements */
body {
    font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    font-weight: 400;
    font-display: swap;
}

/* Performance optimizations */
img,
video {
    max-width: 100%;
    height: auto;
}

/* Improve font rendering */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.hero {
    padding: 3rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.hero .title {
    font-family: 'Source Sans 3', sans-serif;
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.hero .content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.external-link.button {
    border: 1px solid var(--border-light);
    background: white;
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.external-link.button:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Contact info styling */
.contact-info {
    margin-bottom: 1.5rem;
}

.email-display {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: var(--background-light);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1rem;
    transition: all 0.2s ease;
}

.email-display:hover {
    background: rgba(37, 99, 235, 0.05);
    border-color: rgba(37, 99, 235, 0.2);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.email-display .icon {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.obfuscated-email {
    font-family: 'Source Sans 3', monospace;
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
    letter-spacing: 0.05em;
    user-select: all;
    -webkit-user-select: all;
    -moz-user-select: all;
}

.hr {
    margin: 3rem 0;
}

.hr hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-light), transparent);
}


.footer {
    border-top: 1px solid var(--border-color);
    padding: 3rem 1.5rem;
}

.footer .content {
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}


/* Publication sections */
.selected-publications {
    background: white;
    padding: 3rem 0;
}

.section-title {
    font-family: 'Source Sans 3', sans-serif;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2rem;
    text-align: center;
    line-height: 1.3;
}

.view-all-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    margin-top: 2rem;
    transition: all 0.2s ease;
}

.view-all-link:hover {
    color: var(--accent-color);
    transform: translateX(4px);
}

.back-to-home-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.back-to-home-link:hover {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    transform: translateX(-2px);
}

.publication-block {
    padding: 2rem;
    margin-bottom: 3rem !important;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.publication-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    transform: scaleY(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.publication-block:hover {
    border-color: #d1d5db;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
}

.publication-block:hover::before {
    transform: scaleY(1);
}

.publication-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.publication-image img,
.publication-image video {
    width: 100%;
    height: auto;
    display: block;
}

.publication-banner {
    height: 160px;
    background-size: cover;
}

.publication-header .hero-body {
    padding-bottom: 0 !important;
}

.publication-title {
    color: var(--text-primary);
    font-family: 'Source Sans 3', sans-serif;
    margin: 0 0 0.5rem 0 !important;
    font-weight: 600;
    font-size: 1.25rem !important;
    line-height: 1.4;
}

.publication-title a {
    color: var(--text-primary);
    text-decoration: none;
}

.publication-title a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

/* Remove title link styling since whole card is clickable */

.publication-venue {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin: 0.25rem 0 0.75rem 0;
    padding: 0.25rem 0.75rem;
    background: rgba(14, 165, 233, 0.1);
    border-radius: 20px;
    display: inline-block;
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.publication-venue-emph {
    font-weight: 600;
    font-style: normal;
    color: #e63946;
}

.publication-awards {
    color: #ff3860;
    width: fit-content;
    font-weight: bolder;
}

.publication-authors {
    margin: 1rem 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.author-block {
    color: var(--text-secondary);
}

.author-block strong {
    color: var(--primary-color);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.publication-authors a {
    /* color: hsl(204, 86%, 53%) !important; */
    color: var(--text-secondary);
}

.publication-authors a:hover {
    text-decoration: underline;
}

.publication-mousecell {
    position: relative;
    font-size: 0;
}

.publication-mousecell video {
    display: none;
}

.publication-mousecell img,
.publication-mousecell video {
    border-radius: 50%;
    width: 100%;
    height: 100%;
}

.publication-mousecell {
    width: 100%;
    height: 100%;
    display: inline-block;
    overflow: hidden;
}



.publication-description {
    color: #333;
    margin: 0.5em 0;
}

.publication-links {
    margin: 1.5rem 0 0 0 !important;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.publication-links .button {
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-light);
    background: white;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.publication-links .button:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Ensure buttons are clickable over the publication block */
.publication-links .button {
    position: relative;
    z-index: 10;
}

.publication-video {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;

    overflow: hidden;
    border-radius: 10px !important;
}

.publication-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}


/* Mobile responsive styles */
@media screen and (max-width: 768px) {

    /* Force Bulma columns to stack vertically */
    .columns.is-vcentered {
        align-items: stretch !important;
    }

    .hero {
        padding: 2rem 0;
    }

    .hero .title {
        font-size: 2rem;
    }

    .hero .content p {
        font-size: 1rem;
    }

    /* Center email display on mobile */
    .contact-info {
        text-align: center;
    }

    .hero .buttons {
        justify-content: center;
    }

    /* Ensure all buttons have uniform sizing on mobile */
    .hero .buttons .button {
        width: 100% !important;
        justify-content: center;
        margin: 0.25rem 0 !important;
        font-size: 0.875rem !important;
        padding: 0.75rem 1rem !important;
        box-sizing: border-box;
        text-align: center;
    }

    /* Ensure buttons container stacks vertically */
    .hero .buttons {
        display: flex !important;
        flex-direction: column;
        justify-content: center;
        align-items: stretch;
    }

    /* Force equal button content width */
    .hero .buttons .button span:not(.icon) {
        white-space: nowrap;
    }

    .email-display {
        padding: 0.6rem 1rem;
        gap: 0.5rem;
    }

    .obfuscated-email {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .publication-block {
        padding: 1.5rem;
        margin: 0 1.5rem 2rem 1.5rem !important;
    }

    .selected-publications .publication-block.columns {
        display: block !important;
        flex-direction: column !important;
    }

    .selected-publications .publication-block .column,
    .selected-publications .publication-block .column.is-4,
    .selected-publications .publication-block .column.is-8 {
        width: 100% !important;
        display: block !important;
        flex: none !important;
        margin-bottom: 1rem;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    .publication-block .column.is-4 {
        margin-bottom: 1.5rem;
    }

    /* Override Bulma's column behavior on mobile */
    .publication-block .columns {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .publication-links .button {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }

    .publication-authors {
        font-size: 0.9rem;
    }

    .publication-title {
        font-size: 1.1rem !important;
    }
}

@media screen and (max-width: 480px) {

    /* Force Bulma columns to stack vertically */
    .columns.is-vcentered {
        align-items: stretch !important;
    }

    .hero {
        padding: 1.5rem 0;
    }

    .hero .title {
        font-size: 1.75rem;
    }

    .hero .content p {
        font-size: 0.95rem;
    }

    /* Center email display on small mobile */
    .contact-info {
        text-align: center;
    }

    .hero .buttons .button {
        width: 100%;
        justify-content: center;
        margin: 0.25rem 0;
        font-size: 0.875rem !important;
        padding: 0.75rem 1rem !important;
    }

    .email-display {
        padding: 0.5rem 0.8rem;
        gap: 0.4rem;
    }

    .obfuscated-email {
        font-size: 0.85rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .publication-block {
        padding: 1rem;
        margin: 0 1rem 1.5rem 1rem !important;
    }

    .selected-publications .publication-block.columns {
        display: block !important;
        flex-direction: column !important;
    }

    .selected-publications .publication-block .column,
    .selected-publications .publication-block .column.is-4,
    .selected-publications .publication-block .column.is-8 {
        width: 100% !important;
        display: block !important;
        flex: none !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    /* Override Bulma's column behavior on mobile */
    .publication-block .columns {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .publication-links {
        gap: 0.25rem;
    }

    .publication-links .button {
        font-size: 0.75rem;
        padding: 0.35rem 0.7rem;
    }

    .publication-authors {
        font-size: 0.85rem;
    }

    .publication-title {
        font-size: 1rem !important;
    }
}