@charset "utf-8";
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap");

:root {
    --color-accent: #7fa185;
    --color-accent-hover: #359466;
    --color-link-card: #98A8F8;
    --color-pub-title: #808D7C;
    --color-pub-item-link: #748E63;
    --color-terminal-accent: #ffaaaa;
    --color-terminal-fg-dim: #ffffff;
    --color-page-bg: #f6f8fa;
    --color-text: #24292e;
    --color-highlight-bg: #eff4ed;
    --color-nav-active-text: #ffffff;
    --color-navbar-bg: #3d4a40;
    --font-family-monospace: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    --sticky-below-nav: 80px;
    --shadow-publication-cover: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-pub-badge: 0 1px 3px rgba(0, 0, 0, 0.2);
    --pub-mobile-overlay: rgba(255, 255, 255, 0.9);
    --color-news-read-more-bg: #38b2ac;
    --color-news-read-more-text: #ffffff;
    --color-news-badge-spotlight: #f59e0b;
    --color-news-badge-oral: #7fa185;
    --color-news-badge-internship: #8b5cf6;
}

/*#525957; #1f1f1f; */

/* Publications page: year sidebar (scrollspy). */
.publications-year-nav.nav-pills .nav-link {
    color: var(--color-accent);
}
.publications-year-nav.nav-pills .nav-link:hover {
    color: var(--color-accent);
    opacity: 0.8;
}
.publications-year-nav.nav-pills .nav-link.active {
    background-color: var(--color-accent);
    color: var(--color-nav-active-text);
}

/* Bold author name on papers (see author_list.html). */
.pub-author-emph {
    color: var(--color-accent);
}

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

body {
    font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    font-size: 15px;
    line-height: 1.5;
    color: var(--color-text);
    font-weight: 400;
    padding-top: 5.0rem;
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-weight: 700;
}

.text-profile-position {
    font-weight: 400;
}

.text-profile-bio {
    font-weight: 400;
}

.text-profile-bio--justify {
    text-align: justify;
}

.navbar {
    background-color: var(--color-navbar-bg);
    opacity: 0.95;
}

.card {
    border-radius: 8px;
}

.inline-badge {
    height: 16px;
    vertical-align: -10%;
    margin-right: 2px;
    line-break: unset;
}

.no-break {
    white-space: nowrap;
}

.cover-image {
    width: 180px;
    max-height: 120px;
}

.abstract-body {
    min-height: 100px;
}

img.lazy {
    background-image: url('images/loading.gif');
    background-repeat: no-repeat;
    background-position: 50% 50%;
    background-size: 50px 50px;
    min-height: 80px;
}

div.lazy {
    background-image: url('images/loading.gif');
    background-repeat: no-repeat;
    background-position: 50% 50%;
    background-size: 50px 50px;
    min-height: 80px;
}

.badge-publication {
    font-size: 100%;
}

.email-text {
    font-family: var(--font-family-monospace);
    color: var(--color-accent);
}

a.follow_href {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

a.follow_href:hover,
a.follow_href:focus {
    color: var(--color-accent-hover);
    text-decoration: none;
}

a.location_href {
    color: var(--color-accent);
    text-decoration: none;
}

a.profile_href {
    color: var(--color-accent);
}

.navbar-light .navbar-nav .nav-link {
    color: var(--color-accent);
}

.navbar-light .navbar-nav .nav-item.active .nav-link,
.navbar .nav-item.active .nav-link {
    color: var(--color-nav-active-text);
    font-weight: 600;
}

.navbar-light .navbar-brand,
.navbar-light .navbar-brand strong {
    color: var(--color-accent);
}

.navbar-toggler-compact {
    font-size: 1em;
    padding: 0.5em;
}



@keyframes blink {
    from, to { opacity: 1; }
    50% { opacity: 0; }
}

/* -------------------------------------------------------------------------- */
/* Publication list                                                            */
/* -------------------------------------------------------------------------- */

a.item_link {
    color: var(--color-pub-item-link);
}

.publication-cover {
    object-fit: contain;
    max-width: 100%;
    max-height: 200px;
    box-shadow: var(--shadow-publication-cover);
}

.selected-publication {
    background-color: var(--color-highlight-bg);
}

.pub-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background-color: var(--color-accent);
    color: var(--color-nav-active-text);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.7em;
    font-weight: bold;
    z-index: 10;
    box-shadow: var(--shadow-pub-badge);
}

.publication-container {
    position: relative;
}

.pub-item-title {
    color: var(--color-pub-title);
}

.pub-mobile-overlay {
    background-color: var(--pub-mobile-overlay);
}

.text-highlight-bg {
    background-color: var(--color-highlight-bg);
}

.pub-link {
    color: var(--color-link-card);
}

.pub-link:hover {
    color: var(--color-link-card);
    opacity: 0.85;
    text-decoration: none;
}

/* -------------------------------------------------------------------------- */
/* Profile sidebar                                                             */
/* -------------------------------------------------------------------------- */

.sticky-below-navbar {
    top: var(--sticky-below-nav);
}

.profile-portrait-container {
    position: relative;
    display: inline-block;
}

.avatar-container {
    width: 100%;
    max-width: 200px;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto;
}

.avatar-container .avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.profile-portrait-container .profile-portrait.hover {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.position-inline-logo {
    max-height: 1.2em;
    vertical-align: middle;
    margin-left: 5px;
}

.experience-inline-logo {
    height: 24px;
    width: auto;
}

/* ============================================================
   DARK / LIGHT MODE
   ============================================================ */

html[data-theme="dark"] {
    --color-page-bg:              #1a1a1a;
    --color-text:                 #ffffff;
    --color-navbar-bg:            #1a1f1b;
    --color-highlight-bg:         #2a3a2a;
    --color-pub-title:            #ffffff;
    --color-accent:               #7fa185;
    --color-accent-hover:         #5ab87a;
    --color-pub-item-link:        #90b070;
    --color-link-card:            #aab8f8;
    --pub-mobile-overlay:         rgba(30, 30, 30, 0.92);
    --shadow-publication-cover:   0 2px 4px rgba(0, 0, 0, 0.4);
    /* News theming */
    --color-news-read-more-bg:    #2d6e6b;
    --color-news-read-more-text:  #e0f7f6;
    --color-news-badge-spotlight: #c47d08;
    --color-news-badge-oral:      #5a8a6a;
    --color-news-badge-internship:#6b3fa8;
}

/* Smooth transitions */
body,
.navbar,
.card,
.card-body,
.card-header,
.card-footer {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Body background */
html[data-theme="dark"] body {
    background-color: #1a1a1a !important;
}

/* White text on ALL elements */
html[data-theme="dark"] body,
html[data-theme="dark"] body * {
    color: #ffffff !important;
}

/* Links keep accent green */
html[data-theme="dark"] a {
    color: var(--color-accent) !important;
}

/* Terminal colors */
html[data-theme="dark"] .terminal-zju {
    color: var(--color-terminal-accent) !important;
}
html[data-theme="dark"] .terminal-cursor {
    background-color: var(--color-terminal-accent) !important;
    color: transparent !important;
}

/* Cards */
html[data-theme="dark"] .card,
html[data-theme="dark"] .card-body,
html[data-theme="dark"] .card-header,
html[data-theme="dark"] .card-footer {
    background-color: #242424 !important;
    border-color: #3a3a3a !important;
}

html[data-theme="dark"] .card {
    border-radius: 8px !important;
    overflow: hidden;
}

html[data-theme="dark"] .avatar-container {
    border-radius: 50% !important;
    overflow: hidden !important;
}

html[data-theme="dark"] .pub-badge {
    border-radius: 12px !important;
}

html[data-theme="dark"] .badge,
html[data-theme="dark"] .badge-pill {
    border-radius: 10rem !important;
}

/* Selected publications */
html[data-theme="dark"] .selected-publication {
    background-color: #2a3a2a !important;
}

/* Code blocks */
html[data-theme="dark"] code,
html[data-theme="dark"] pre {
    background-color: #2a2a2a !important;
}

/* Borders */
html[data-theme="dark"] hr,
html[data-theme="dark"] .border,
html[data-theme="dark"] .border-top,
html[data-theme="dark"] .border-bottom {
    border-color: #3a3a3a !important;
}

/* News badges — override body * white rule */
html[data-theme="dark"] .news-badge-spotlight {
    background-color: var(--color-news-badge-spotlight) !important;
    color: #ffffff !important;
}
html[data-theme="dark"] .news-badge-oral {
    background-color: var(--color-news-badge-oral) !important;
    color: #ffffff !important;
}
html[data-theme="dark"] .news-badge-internship {
    background-color: var(--color-news-badge-internship) !important;
    color: #ffffff !important;
}

/* Read More button */
html[data-theme="dark"] .news-read-more {
    background-color: var(--color-news-read-more-bg) !important;
    color: var(--color-news-read-more-text) !important;
}

/* Toggle switch: fully exempt */
html[data-theme="dark"] .theme-switch-wrapper *,
html[data-theme="dark"] .theme-switch-wrapper *::before,
html[data-theme="dark"] .theme-switch-wrapper *::after {
    color: unset !important;
    background-color: unset !important;
    transition: none !important;
}
html[data-theme="dark"] .theme-slider {
    background-color: #4a5568 !important;
    border-radius: 28px !important;
}
html[data-theme="dark"] .theme-slider::before {
    background-color: #ffffff !important;
    border-radius: 50% !important;
}

/* ============================================================
   TOGGLE SWITCH — iOS pill style
   ============================================================ */

.theme-switch-wrapper {
    display: flex;
    align-items: center;
    margin-left: 14px;
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
    margin: 0;
    cursor: pointer;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.theme-slider {
    position: absolute;
    inset: 0;
    background-color: #c8d0c9;
    border-radius: 28px;
    transition: background-color 0.3s ease !important;
    display: flex;
    align-items: center;
}

.theme-switch input:checked + .theme-slider {
    background-color: #4a5568;
}

.theme-slider::before {
    content: '';
    position: absolute;
    left: 3px;
    top: 3px;
    width: 22px;
    height: 22px;
    background-color: #ffffff;
    border-radius: 50%;
    transition: transform 0.3s ease !important;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

.theme-switch input:checked + .theme-slider::before {
    transform: translateX(24px);
}

.theme-slider-icon {
    position: absolute;
    font-size: 13px;
    left: 5px;
    transition: left 0.3s ease !important;
    line-height: 1;
    pointer-events: none;
    z-index: 1;
}

.theme-switch input:checked + .theme-slider .theme-slider-icon {
    left: 31px;
}

/* ============================================================
   NEWS CARD
   ============================================================ */

.news-row {
    font-size: 0.92em;
    line-height: 1.5;
}

.news-year-col {
    min-width: 20px;
    flex-shrink: 0;
    font-size: 0.95em;
	align-self: flex-start;
}

.news-body-col {
    min-width: 0;
}

.news-date-col {
    font-size: 0.85em;
    flex-shrink: 0;
}

.news-body-col .badge,
.news-body-col .news-read-more {
    vertical-align: middle;
    margin-left: 4px;
}

.news-content a {
    color: var(--color-accent) !important;
}

/* News badge colors — light mode */
.news-badge-spotlight {
    background-color: var(--color-news-badge-spotlight);
    color: #ffffff;
    font-size: 0.75em;
    padding: 2px 8px;
}

.news-badge-oral {
    background-color: var(--color-news-badge-oral);
    color: #ffffff;
    font-size: 0.75em;
    padding: 2px 8px;
}

.news-badge-internship {
    background-color: var(--color-news-badge-internship);
    color: #ffffff;
    font-size: 0.75em;
    padding: 2px 8px;
}

.news-badge-masters {
    background-color: #0ea5e9;
    color: #ffffff;
    font-size: 0.75em;
    padding: 2px 8px;
}

.news-badge-graduation {
    background-color: #ec4899;
    color: #ffffff;
    font-size: 0.75em;
    padding: 2px 8px;
}

.news-badge-award {
    background-color: #0ea5e9;
    color: #ffffff;
    font-size: 0.75em;
    padding: 2px 8px;
}

.news-badge-poster {
    background-color: #ec4899;
    color: #ffffff;
    font-size: 0.75em;
    padding: 2px 8px;
}

/* Read More button — light mode */
.news-read-more {
    display: inline-block;
    font-size: 0.78em;
    font-weight: 600;
    color: var(--color-news-read-more-text) !important;
    background-color: var(--color-news-read-more-bg);
    border-radius: 20px;
    padding: 2px 10px;
    margin-left: 5px;
    vertical-align: middle;
    text-decoration: none !important;
    transition: opacity 0.2s;
}

.news-read-more:hover {
    opacity: 0.8;
    text-decoration: none !important;
}

/* News page back button */
.news-page-back-btn {
    background-color: var(--color-accent);
    color: #ffffff !important;
    border: none;
}

.news-page-back-btn:hover {
    background-color: var(--color-accent-hover);
    color: #ffffff !important;
    opacity: 0.9;
}


/* ============================================================
   LIVE STATUS BADGE — navbar
   ============================================================ */

.nav-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    padding: 5px 16px;
    font-size: 14px;
    font-family: var(--font-family-monospace);
    color: #ffffff;
    letter-spacing: 0.03em;
    margin-right: 12px;
    backdrop-filter: blur(4px);
}

/* Pulsing green dot */
.nav-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ade80;
    box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7);
    animation: nav-pulse 1.8s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes nav-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.7); }
    50%  { box-shadow: 0 0 0 6px rgba(74, 222, 128, 0); }
    100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}

.nav-status-label {
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.12em;
    color: #4ade80;
}

.nav-status-divider {
    color: rgba(255, 255, 255, 0.25);
    font-size: 11px;
}

.nav-status-name {
    font-weight: 600;
    color: #ffffff;
}

.nav-status-mode-wrap {
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
}

.nav-status-mode {
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.05em;
    transition: opacity 0.4s ease;
}

.nav-status-loc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

/* Dark mode adjustments */
html[data-theme="dark"] .nav-status-badge {
    background: rgba(74, 222, 128, 0.08) !important;
    border-color: rgba(74, 222, 128, 0.3) !important;
    color: #ffffff !important;
    box-shadow: 0 0 12px rgba(74, 222, 128, 0.15) !important;
}

html[data-theme="dark"] .nav-status-badge *:not(.nav-status-mode):not(.nav-status-dot) {
    color: inherit !important;
}

html[data-theme="dark"] .nav-status-label {
    color: #4ade80 !important;
    text-shadow: 0 0 8px rgba(74, 222, 128, 0.6) !important;
}

html[data-theme="dark"] .nav-status-name {
    color: #e2e8f0 !important;
}

html[data-theme="dark"] .nav-status-divider {
    color: rgba(74, 222, 128, 0.3) !important;
}

html[data-theme="dark"] .nav-status-loc {
    color: rgba(255, 255, 255, 0.6) !important;
}

html[data-theme="dark"] .nav-status-mode-wrap {
    color: rgba(255, 255, 255, 0.5) !important;
}


/* ============================================================
   EXPERIENCE / EDUCATION LOGO ALIGNMENT
   ============================================================ */

.experience-logo-col {
    width: 28px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 8px;
}

.experience-inline-logo {
    max-height: 24px;
    max-width: 24px;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* Year-divider line — more visible */
.news-divider-year {
    border: none;
    border-top: 1.5px solid rgba(0, 0, 0, 0.15);
    margin-top: 14px !important;
    margin-bottom: 6px !important;
}

html[data-theme="dark"] .news-divider-year {
    border-top-color: rgba(255, 255, 255, 0.18) !important;
}

/* ============================================================
   BIO CARD — reduce bottom gap
   ============================================================ */

.card.bg-white > .card-body {
    padding-bottom: 0.25rem !important;
}

.card.bg-white .row.p-3 {
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
}

html[data-theme="dark"] .card > .card-body {
    padding-bottom: 0.25rem !important;
}

/* ============================================================
   PUBLICATION CARD HEADER
   ============================================================ */

/* view all — accent green instead of purple */
.pub-link-accent {
    color: var(--color-accent) !important;
    font-size: 0.82em;
    font-weight: 600;
}

.pub-link-accent:hover {
    color: var(--color-accent-hover) !important;
    text-decoration: none;
}

/* Equal contribution note */
.pub-equal-contribution {
    font-size: 0.78em;
    font-weight: 400;
    color: var(--color-text);
    opacity: 0.6;
    font-style: italic;
    white-space: nowrap;
}

html[data-theme="dark"] .pub-equal-contribution {
    color: #ffffff !important;
    opacity: 0.5;
}

/* ============================================================
   PUBLICATION ITEM — improved colors
   ============================================================ */

/* Title — stronger, darker */
.pub-item-title {
    color: #1a1f1b !important;
    font-size: 1.05em !important;
    font-weight: 600 !important;
}

html[data-theme="dark"] .pub-item-title {
    color: #f0f0f0 !important;
}

/* Authors */
.pub-item-title + p.small {
    color: #3a3a3a !important;
    margin-top: 3px !important;
}

html[data-theme="dark"] .pub-item-title + p.small {
    color: #cccccc !important;
}

/* Venue line (ICML, Oral, year) */
.pub-item-title + p.small + p.small {
    color: #2d2d2d !important;
    margin-top: 2px !important;
}

html[data-theme="dark"] .pub-item-title + p.small + p.small {
    color: #dddddd !important;
}

/* Abstract text */
.pub-item-title + p.small + p.small + p.small.text-muted {
    color: #555555 !important;
    margin-top: 4px !important;
}

html[data-theme="dark"] .pub-item-title + p.small + p.small + p.small.text-muted {
    color: #b0b0b0 !important;
}

/* Links [Arxiv] [Video] etc */
.abstract-links a {
    color: #3b82f6 !important;
    font-weight: 500;
    margin-right: 2px;
}

.abstract-links a:hover {
    color: #2563eb !important;
    text-decoration: none;
}

html[data-theme="dark"] .abstract-links a {
    color: #60a5fa !important;
}

html[data-theme="dark"] .abstract-links a:hover {
    color: #93c5fd !important;
}

/* Equal contribution italic */
.pub-author-equal {
    color: var(--color-accent);
    font-style: italic;
    font-size: 0.9em;
}

.pub-scholar-link {
    font-size: 0.82em;
    font-weight: 500;
    color: var(--color-accent) !important;
    text-decoration: none;
    white-space: nowrap;
}

.pub-scholar-link:hover {
    color: var(--color-accent-hover) !important;
    text-decoration: none;
}

/* ============================================================
   BACK TO TOP BUTTON
   ============================================================ */

#back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: #2d2d2d;
    color: #ffffff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, background-color 0.2s;
    z-index: 999;
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background-color: var(--color-accent);
}

html[data-theme="dark"] #back-to-top {
    background-color: #3a3a3a !important;
    color: #ffffff !important;
}

html[data-theme="dark"] #back-to-top:hover {
    background-color: var(--color-accent) !important;
}

/* Equal contribution mark tag — dark mode fix */
html[data-theme="dark"] mark {
    background-color: #2a3a2a !important;
    color: #a8d5b5 !important;
    border-radius: 3px;
    padding: 1px 3px;
}

html[data-theme="dark"] .publications-year-nav.nav-pills .nav-link {
    color: #c8e6c9 !important;
    background-color: transparent !important;
}

html[data-theme="dark"] .publications-year-nav.nav-pills .nav-link.active {
    background-color: #4a7a50 !important;
    color: #ffffff !important;
}

html[data-theme="dark"] .publications-year-nav.nav-pills .nav-link:hover {
    background-color: #2a3a2a !important;
    color: #ffffff !important;
    opacity: 1 !important;
}

/* Force mode text to keep JS-assigned inline color in dark mode */
html[data-theme="dark"] #navStatusMode {
    color: unset !important;
}

/* ============================================================
   PUBLICATION KEYWORDS
   ============================================================ */

.pub-keywords {
    margin-top: 6px !important;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.pub-keyword-tag {
    font-size: 0.78em;
    color: #555555;
    background-color: var(--color-highlight-bg);
    border-radius: 20px;
    padding: 2px 10px;
    white-space: nowrap;
}

html[data-theme="dark"] .pub-keyword-tag {
    background-color: #2a3a2a !important;
    color: #a8d5b5 !important;
}