/*
 * Minimal academic theme inspired by jaeah.me.
 * Kept separate from style.css so the site's existing views and interactions
 * can evolve independently from this visual layer.
 */

:root {
    --font-body: 'Inter', 'Open Sans', 'Helvetica Neue', sans-serif;
    --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
    --bg: #ffffff;
    --bg-accent: #f5f5f5;
    --surface: #ffffff;
    --surface-alt: #ffffff;
    --border: #dedede;
    --border-strong: #c9c9c9;
    --text: #111111;
    --muted: #5d5d5d;
    --accent: #3366bb;
    --accent-strong: #244f98;
    --accent-soft: rgba(51, 102, 187, 0.07);
    --accent-border: rgba(51, 102, 187, 0.24);
    --accent-glow: rgba(51, 102, 187, 0.10);
    --highlight: #3366bb;
    --shadow: none;
    --shadow-soft: none;
    --shadow-lift: none;
    --nav-bg: rgba(255, 255, 255, 0.96);
}

html.dark-mode {
    --bg: #151515;
    --bg-accent: #1d1d1d;
    --surface: #151515;
    --surface-alt: #181818;
    --border: #393939;
    --border-strong: #4c4c4c;
    --text: #f1f1f1;
    --muted: #b8b8b8;
    --accent: #8fb6f5;
    --accent-strong: #b5d0fb;
    --accent-soft: rgba(143, 182, 245, 0.09);
    --accent-border: rgba(143, 182, 245, 0.28);
    --nav-bg: rgba(21, 21, 21, 0.96);
}

html,
body {
    background: var(--bg);
}

body {
    margin: 0;
    padding: 0 20px 36px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.55;
}

a,
.home-bio-copy a,
.home-bio-card .full-bio a {
    color: var(--accent);
    text-decoration: none;
}

a:hover,
.home-bio-copy a:hover,
.home-bio-card .full-bio a:hover {
    color: var(--accent-strong);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

/* Quiet, compact navigation keeps the site's routed views discoverable. */
#navbar {
    position: sticky;
    top: 0;
    margin: 0 -20px;
    padding: 10px 20px 8px;
    background: var(--nav-bg);
    border: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: none;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

#navbar #container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    gap: 2px 15px;
}

#navbar #plain {
    margin-right: auto;
    color: var(--text);
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 400;
}

#navbar a {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    font-weight: 400;
}

#navbar a:hover,
#navbar a.active-view {
    color: var(--accent);
    font-weight: 700;
}

#navbar .lang-link,
.theme-toggle {
    min-width: 26px;
    height: 26px;
    margin: 0;
    padding: 0 6px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

#navbar .lang-link:hover,
.theme-toggle:hover {
    color: var(--accent);
    background: transparent;
    border-color: transparent;
    box-shadow: none;
    transform: none;
}

.theme-toggle {
    font-size: 15px;
}

/* A single centered column mirrors the reference site's reading rhythm. */
.page-layout,
html:not([data-view='home']) .page-layout {
    display: block;
    width: 100%;
    max-width: 800px;
    margin: 30px auto 20px;
    padding: 0;
}

.profile-pane {
    position: static;
    display: block;
    width: 100%;
    max-width: none;
    margin: 0 0 24px;
}

html:not([data-view='home']) .profile-pane {
    display: none;
}

#name {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(180px, 1fr);
    grid-template-rows: auto auto;
    column-gap: 34px;
    align-items: center;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 10px 20px 22px;
    border: 0;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    box-sizing: border-box;
    text-align: center;
}

#name img.left {
    grid-column: 2;
    grid-row: 1 / span 2;
    width: min(100%, 210px);
    height: 210px;
    margin: 0 auto;
    border: 0;
    border-radius: 15%;
    box-shadow: none;
    object-fit: cover;
    object-position: center 20%;
}

#name h1 {
    grid-column: 1;
    align-self: end;
    margin: 0;
    padding: 0;
    color: var(--text);
    font-family: var(--font-display);
    font-size: 40px;
    font-weight: 400;
    line-height: 1.15;
    text-align: center;
}

#name h1 a,
html.dark-mode #name h1 a,
#name h1 a[style] {
    color: var(--text) !important;
}

#name > div {
    grid-column: 1;
    align-self: start;
}

.profile-header p,
#name p {
    margin: 2px 0 11px !important;
    padding: 0 !important;
    color: var(--text);
    line-height: 1.45;
    text-align: center !important;
}

.profile-header p:nth-child(2) {
    color: var(--muted);
    font-size: 12.5px;
}

.profile-links {
    display: grid;
    grid-template-columns: repeat(3, max-content);
    justify-content: center;
    gap: 3px 23px;
}

.profile-links a,
.profile-links .profile-link-text,
.profile-links .profile-link-icon {
    display: inline-flex;
    width: auto;
    min-width: 0;
    height: auto;
    gap: 6px;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--accent);
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0;
}

.profile-links a:hover {
    background: transparent;
    color: var(--accent-strong);
    border: 0;
    box-shadow: none;
    transform: none;
}

html.dark-mode .profile-links a {
    border: 0;
    background: transparent;
    color: var(--accent);
}

.content-pane,
html:not([data-view='home']) .content-pane {
    width: 100%;
    max-width: none;
    padding: 0;
}

.content-wrapper,
html:not([data-view='home']) .content-wrapper {
    width: 100%;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.content-pane #container,
html:not([data-view='home']) .content-pane #container {
    width: 100%;
    max-width: none;
    margin: 0;
}

#home-overview-title {
    display: none;
}

.home-overview {
    margin: 0;
}

.overview-grid {
    display: block;
    max-width: none;
}

.overview-card,
.overview-card-wide,
.home-bio-card,
.home-vitae-card {
    margin: 0;
    padding: 22px 10px;
    border: 0;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.overview-card:hover {
    border-color: var(--border);
    background: transparent;
    box-shadow: none;
    transform: none;
}

.home-bio-card {
    padding-top: 0;
}

.home-bio-card .overview-kicker {
    display: none;
}

.overview-kicker,
#container h2,
#container h3,
.section-title,
.news-content h3,
.post-card h3,
.leaderboard-panel h3,
.project-access-copy h3 {
    color: var(--text) !important;
    font-family: var(--font-display);
    font-weight: 400 !important;
}

.overview-kicker {
    margin: 0 0 14px !important;
    color: var(--text) !important;
    font-size: 24px;
    line-height: 1.2;
    letter-spacing: 0;
    text-transform: none;
}

#container h2,
.section-title {
    margin: 0 0 16px;
    padding: 0;
    font-size: 25px;
    letter-spacing: 0;
}

.section-title::after {
    display: none;
}

.home-bio-copy,
.home-bio-card .full-bio p,
.overview-copy,
#container p {
    font-size: 14px;
    line-height: 1.6;
}

.bio-toggle,
.overview-link,
#toggle-pubs,
.pub-tab {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--accent);
    box-shadow: none;
    font-weight: 400;
}

.bio-toggle:hover,
.overview-link:hover,
#toggle-pubs:hover,
.pub-tab:hover {
    border: 0;
    background: transparent;
    box-shadow: none;
    transform: none;
}

#container .overview-list {
    padding: 0;
}

#container .overview-list li {
    margin: 0 0 8px;
    font-size: 14px;
}

.paper-overview-list li {
    padding-left: 16px !important;
    position: relative;
}

.paper-overview-list li::before {
    content: '\2014';
    position: absolute;
    left: 0;
    color: var(--muted);
}

.paper-overview-list li a {
    display: inline;
    font-weight: 700;
}

.paper-overview-list li > span {
    margin-left: 5px;
    display: inline;
    font-size: 12.5px;
    font-style: italic;
}

.home-timeline-logo {
    width: 44px;
    height: 44px;
    padding: 4px;
    border: 0;
    border-radius: 0;
    box-shadow: none;
}

.home-timeline-place,
.home-timeline-title {
    color: var(--text);
}

/* Detail views use the same uncluttered column instead of card-and-sidebar UI. */
.section-shell {
    display: flex;
    flex-direction: column;
    gap: 18px;
    width: 100%;
    margin: 0;
}

.section-sidebar {
    position: static;
    order: 2;
    display: flex;
    flex-flow: row wrap;
    width: 100%;
    padding: 10px 0 0;
    border: 0;
    border-top: 1px solid var(--border);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.section-sidebar::before,
.section-nav-link::before,
.section-nav-link::after {
    display: none;
}

.section-sidebar-title {
    width: 100%;
    color: var(--muted) !important;
}

.section-nav-link {
    width: auto;
    padding: 0 12px 0 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: var(--accent);
    font-weight: 400;
}

.section-nav-link:hover,
.section-nav-link.active {
    border: 0;
    background: transparent;
    box-shadow: none;
    color: var(--accent-strong);
    transform: none;
}

.section-main {
    order: 1;
    width: 100%;
    max-width: none !important;
    padding: 0 10px 24px;
    border: 0;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

/* Reference-style publication rows: image, text, and simple inline links. */
.pub-item,
.publications-section .pub-item,
.pub-item.compact,
.publications-section .pub-item.compact,
.experience-item,
#container .vitae-item,
#container nav li,
.post-card,
.leaderboard-panel,
.demo-service-card,
.project-access-card {
    max-width: none;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.pub-item,
.publications-section .pub-item {
    margin: 0;
    padding: 14px 0;
    gap: 20px;
    border-bottom: 1px solid var(--border);
}

.pub-item:hover,
.experience-item:hover,
#container .vitae-item:hover,
#container nav li:hover {
    border-color: var(--border);
    background: transparent;
    box-shadow: none;
    transform: none;
}

.publications-section .pub-image,
.publications-section .pub-item.compact .pub-image,
.pub-image,
.pub-item.compact .pub-image {
    width: 150px;
    height: 105px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.pub-image img,
.pub-image video {
    background: transparent;
    object-fit: contain;
}

.pub-title,
.publications-section .pub-title {
    color: var(--text);
    font-size: 14px;
    font-weight: 700;
    line-height: 1.35;
}

.pub-authors,
.publications-section .pub-authors {
    color: var(--text);
    font-size: 13.5px;
    line-height: 1.4;
}

.pub-venue,
.publications-section .pub-venue {
    color: var(--text);
    font-size: 13px;
    line-height: 1.4;
}

.pub-summary-links {
    gap: 0;
}

.pub-summary-links a:not(:last-child)::after,
.pub-summary-links .pub-link-muted:not(:last-child)::after {
    content: ' / ';
    color: var(--muted);
    white-space: pre;
}

.pub-detail {
    border-top-color: var(--border);
}

.experience-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

#container .vitae-item,
#container nav li {
    margin: 0;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

#footer {
    max-width: 800px;
    margin: 22px auto 10px;
    color: var(--muted);
    text-align: center;
}

@media (max-width: 820px) {
    #navbar #container {
        justify-content: center;
    }

    #navbar #plain {
        width: 100%;
        margin: 0 0 2px;
        text-align: center;
    }

    .page-layout,
    html:not([data-view='home']) .page-layout {
        margin-top: 22px;
    }

    #name {
        column-gap: 22px;
        padding-inline: 8px;
    }
}

@media (max-width: 600px) {
    body {
        padding-inline: 14px;
    }

    #navbar {
        margin-inline: -14px;
        padding-inline: 14px;
    }

    #navbar #container {
        gap: 4px 12px;
    }

    #navbar a {
        font-size: 11.5px;
    }

    #name {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    #name img.left {
        order: 1;
        width: 150px;
        height: 150px;
    }

    #name h1 {
        order: 2;
        font-size: 36px;
    }

    #name > div {
        order: 3;
    }

    .profile-links {
        grid-template-columns: repeat(3, max-content);
        gap: 5px 16px;
    }

    .overview-card,
    .section-main {
        padding-inline: 0;
    }

    .pub-item,
    .publications-section .pub-item {
        gap: 12px;
    }

    .publications-section .pub-image,
    .publications-section .pub-item.compact .pub-image,
    .pub-image,
    .pub-item.compact .pub-image {
        width: 105px;
        height: 76px;
    }

    .home-timeline-header {
        gap: 2px;
    }
}

@media (max-width: 420px) {
    .profile-links {
        grid-template-columns: repeat(2, max-content);
    }

    .pub-item,
    .publications-section .pub-item {
        display: block;
    }

    .publications-section .pub-image,
    .publications-section .pub-item.compact .pub-image,
    .pub-image,
    .pub-item.compact .pub-image {
        width: 100%;
        height: 150px;
        margin-bottom: 10px;
    }
}

/* Final profile and detail-view cleanup. */
#name h1 {
    font-size: 32px;
    line-height: 1.1;
}

.home-timeline {
    position: relative;
}

.home-timeline::before {
    content: '';
    position: absolute;
    top: 22px;
    bottom: 22px;
    left: 21px;
    width: 2px;
    background: var(--border-strong);
}

.home-timeline-logo {
    position: relative;
    z-index: 1;
    background: #fff;
}

.home-timeline-item .home-timeline-content::before {
    display: block;
    margin-bottom: 2px;
    font-family: var(--font-body);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.09em;
    line-height: 1.15;
}

.home-timeline-item.work .home-timeline-content::before {
    content: 'RESEARCH';
    color: #27805f;
}

.home-timeline-item.school .home-timeline-content::before {
    content: 'EDUCATION';
    color: #3b6ea8;
}

html[lang='ko'] .home-timeline-item.work .home-timeline-content::before {
    content: '연구 경력';
}

html[lang='ko'] .home-timeline-item.school .home-timeline-content::before {
    content: '학력';
}

.home-timeline-item.work .home-timeline-logo {
    box-shadow: 0 0 0 1px rgba(39, 128, 95, 0.32);
}

.home-timeline-item.school .home-timeline-logo {
    box-shadow: 0 0 0 1px rgba(59, 110, 168, 0.32);
}

html.dark-mode .home-timeline-item.work .home-timeline-content::before {
    color: #66c49f;
}

html.dark-mode .home-timeline-item.school .home-timeline-content::before {
    color: #8db8ea;
}

.profile-links {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 10px;
}

.profile-links a {
    width: 32px;
    min-width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 50%;
    font-size: 14px;
}

.section-sidebar {
    display: none !important;
}

.section-shell {
    gap: 0;
}

.section-main {
    padding-bottom: 0;
    border-bottom: 0;
}

#footer {
    position: static;
    inset: auto;
    width: 100%;
    border-top: 0;
    margin: 24px auto 12px;
    padding: 0 !important;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

@media (max-width: 600px) {
    #name {
        align-items: center;
        text-align: center;
    }

    #name h1,
    #name > div,
    #name .profile-header,
    #name .profile-header p {
        width: 100%;
        text-align: center;
    }

    #name h1 {
        margin-bottom: -2px;
        font-size: 28px;
        line-height: 1.08;
    }

    #name img.left {
        margin-right: auto;
        margin-left: auto;
    }

    .profile-links {
        justify-content: center;
        grid-template-columns: none;
        gap: 10px;
    }
}