/*
 * Minimal academic profile styling adapted from
 * https://github.com/chawins/chawins.github.io
 */

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

:root {
    --primary-color: #000;
    --text-color: #333;
    --secondary-color: #666;
    --muted-color: #777;
    --light-gray: #fafafa;
    --border-color: #e0e0e0;
    --link-color: #000;
    --link-hover: #666;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    font-weight: 300;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-color);
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 30px;
    background-color: #fff;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    z-index: 10;
    padding: 8px 14px;
    color: #fff;
    background: #000;
    text-decoration: none;
}

.skip-link:focus {
    top: 12px;
}

nav {
    display: flex;
    flex-wrap: wrap;
    column-gap: 30px;
    row-gap: 8px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 60px;
    padding-bottom: 20px;
}

nav a {
    color: var(--text-color);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.5px;
    text-decoration: none;
    text-transform: uppercase;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--link-hover);
}

nav a.active,
nav a[aria-current="page"] {
    color: var(--primary-color);
    font-weight: 500;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid #000;
    outline-offset: 3px;
}

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

.profile-img-frame {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 30px;
}

.profile-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-3px, -3px) scale(1.04);
    filter: grayscale(20%);
}

.profile h1 {
    color: var(--primary-color);
    font-size: 2.2em;
    font-weight: 300;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.profile .title {
    color: var(--secondary-color);
    font-size: 1em;
    font-weight: 300;
    letter-spacing: 0.3px;
    margin-bottom: 8px;
}

.profile .email {
    color: var(--muted-color);
    font-size: 0.9em;
    font-weight: 300;
    margin-bottom: 25px;
}

.profile .email a {
    color: inherit;
    text-decoration: none;
}

.links,
.resource-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.profile .links {
    justify-content: center;
    gap: 20px;
}

.links a,
.resource-links a {
    color: var(--link-color);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.5px;
    padding: 8px 20px;
    text-decoration: none;
    transition: all 0.2s;
}

.resource-links a {
    font-size: 0.85em;
    padding: 4px 14px;
}

.links a:hover,
.resource-links a:hover {
    border-color: var(--primary-color);
    background-color: var(--light-gray);
}

.bio {
    max-width: 700px;
    margin: 0 auto;
}

.bio p {
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 20px;
}

.bio h2 {
    color: var(--primary-color);
    font-size: 1.3em;
    font-weight: 400;
    letter-spacing: -0.3px;
    margin: 50px 0 24px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.bio ul {
    margin: 0 0 22px 20px;
}

.bio li {
    font-weight: 300;
    margin-bottom: 10px;
}

.bio a:not(.resource-links a) {
    color: var(--link-color);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: border-color 0.2s;
}

.bio a:not(.resource-links a):hover {
    border-bottom-color: var(--primary-color);
}

h1 {
    color: var(--primary-color);
    font-size: 2em;
    font-weight: 300;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--muted-color);
    font-size: 0.9em;
    font-weight: 300;
    letter-spacing: 0.3px;
    margin-bottom: 50px;
}

.subtitle a {
    color: #000;
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
}

.year-section,
.service-section {
    margin-bottom: 60px;
}

.year-section h2,
.service-section h2 {
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    font-size: 1.5em;
    font-weight: 400;
    letter-spacing: -0.3px;
    margin-bottom: 30px;
    padding-bottom: 12px;
}

.publication,
.talk {
    margin-bottom: 40px;
}

.publication h3,
.talk h3 {
    color: var(--primary-color);
    font-size: 1.05em;
    font-weight: 400;
    letter-spacing: -0.2px;
    line-height: 1.5;
    margin-bottom: 10px;
}

.publication .authors,
.talk .appearances {
    color: var(--secondary-color);
    font-size: 0.95em;
    font-weight: 300;
    margin-bottom: 6px;
}

.publication .venue,
.talk .venue {
    color: var(--muted-color);
    font-size: 0.9em;
    font-weight: 300;
    margin-bottom: 12px;
}

.publication .summary {
    color: var(--secondary-color);
    font-size: 0.9em;
    line-height: 1.7;
    margin: 12px 0;
}

.talk-invitation {
    margin-top: 14px;
}

.abbr-badge {
    display: inline-block;
    color: #fff;
    background: var(--primary-color);
    border-radius: 2px;
    font-size: 0.75em;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-right: 8px;
    padding: 2px 10px;
    text-transform: uppercase;
}

.service-entry {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
}

.service-entry:last-child {
    border-bottom: none;
}

.service-entry strong {
    color: var(--primary-color);
    font-weight: 400;
    min-width: 205px;
}

.service-entry span,
.service-entry p {
    color: var(--secondary-color);
    font-weight: 300;
    text-align: right;
}

.service-entry a {
    color: #000;
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
}

.student-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 15px;
}

.student-link {
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    font-size: 0.9em;
    font-weight: 400;
    padding: 12px 18px;
    text-align: center;
    text-decoration: none;
    transition: all 0.2s ease;
}

.student-link:hover {
    background-color: var(--light-gray);
    border-color: var(--primary-color);
}

.misc-page > h1,
.section-page > h1 {
    margin-bottom: 50px;
}

.misc-list {
    list-style: none;
    margin-bottom: 40px;
}

.misc-list li {
    border-bottom: 1px solid var(--border-color);
    padding: 14px 0;
}

.misc-list li:last-child {
    border-bottom: none;
}

.misc-list a {
    color: #000;
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
}

.misc-photo {
    width: 80%;
    margin: 0 auto;
}

.misc-photo img {
    display: block;
    width: 100%;
    height: auto;
}

footer {
    color: var(--muted-color);
    border-top: 1px solid var(--border-color);
    font-size: 0.85em;
    font-weight: 300;
    margin-top: 80px;
    padding-top: 30px;
    text-align: center;
}

@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    nav {
        column-gap: 14px;
        margin-bottom: 44px;
    }

    nav a {
        font-size: 0.82em;
    }

    .profile-img-frame {
        width: 150px;
        height: 150px;
    }

    .profile h1 {
        font-size: 1.6em;
    }

    .profile .links {
        gap: 10px;
    }

    .profile .links a {
        padding: 7px 13px;
    }

    .service-entry {
        display: block;
    }

    .service-entry strong {
        display: block;
        margin-bottom: 5px;
    }

    .service-entry span,
    .service-entry p {
        display: block;
        text-align: left;
    }

    .student-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }
}