/* ── Shared Styles ── */
#intro_container {
    color: #666666;
    width: 80%;
    margin-left: 75px;
    margin-right: 75px;
    margin-top: 50px;
    margin-bottom: 50px;
}

#intro_container h2 {
    color: #666666;
}

#intro_container a {
    color: #8aa7de;
    text-decoration: none;
}

#intro_container a:hover {
    color: #9c76c8;
}

#intro_container a.github-btn {
    color: #555555;
}

#intro_container a.github-btn:hover {
    background-color: rgba(165, 186, 224, 0.5);
    color: white;
}

/* ── Bio ── */
.bio {
    margin-top: 15px;
}

.biomain {
    text-align: left;
}

.biotext {
    text-align: left;
}

.bio-email {
    display: none;
    font-family: 'Consolas', 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 13px;
    color: #666666;
    margin-bottom: 10px;
    padding-left: 10px;
}

/* ── Social Icons ── */
.social {
    border-bottom: 1px solid #eeeeee;
    padding-top: 10px;
    padding-left: 10px;
    padding-bottom: 10px;
    text-align: left;
    font-size: 32px;
}

.social .fa {
    text-align: center;
    text-decoration: none;
    color: rgba(156, 118, 200, 0.7);
    padding-right: 25px;
}

.social .fa:hover {
    opacity: 0.7;
}

.social .ai {
    text-align: center;
    text-decoration: none;
    color: rgba(156, 118, 200, 0.7);
    padding-right: 25px;
}

.social .ai:hover {
    opacity: 0.7;
}

/* ── Tooltips ── */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 8px;
    background: rgba(156, 118, 200, 0.49);
    color: white;
    font-size: 12px;
    font-family: 'Open Sans', sans-serif;
    border-radius: 4px;
    white-space: nowrap;
    text-transform: none;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    margin-top: 4px;
}

[data-tooltip]:hover::after {
    opacity: 1;
}

.github-btn[data-tooltip]::after {
    background: rgba(165, 186, 224, 0.7);
}

.social [data-tooltip]::after {
    left: calc(50% - 12px);
}

/* ── Updates ── */
.news_header {
    font-family: 'Open Sans', sans-serif;
    font-size: 20px;
}

.updates {
    border-collapse: collapse;
    margin-left: 20px;
}

.updates td {
    color: #555555;
    padding: 4px 0;
    vertical-align: top;
    font-size: 15px;
}

.updates .date {
    white-space: nowrap;
    padding-right: 15px;
}

.updates th {
    color: #999999;
    font-weight: normal;
    font-size: 13px;
    text-align: left;
    padding-bottom: 4px;
}

/* ── Research / Papers ── */
.header {
    font-family: 'Open Sans', sans-serif;
    font-size: 20px;
    margin-top: 30px;
}

.authors {
    color: #666666;
}

.pub {
    color: #666666;
    font-style: italic;
}

.abstract-toggle {
    background-color: #f5f5f5;
    color: #555555;
    cursor: pointer;
    padding: 6px 12px;
    border: none;
    border-radius: 5px;
    font-size: 13px;
    text-transform: uppercase;
    margin-top: 8px;
    font-family: 'Open Sans', sans-serif;
    transition: background-color 0.3s ease;
}

.abstract-toggle .fa {
    font-size: 10px;
    margin-right: 2px;
    transition: transform 0.3s ease;
    color: #999999;
    padding: 0;
    display: inline-block;
    position: relative;
    top: -1px;
}

.abstract-toggle.active .fa {
    transform: rotate(180deg);
}

.abstract-toggle:hover,
.abstract-toggle.active {
    background-color: rgba(165, 186, 224, 0.5);
    color: #ffffff;
}

.github-btn {
    background-color: #f5f5f5;
    color: #555555;
    padding: 6px 12px;
    border: none;
    border-radius: 5px;
    font-size: 13px;
    text-transform: uppercase;
    margin-top: 8px;
    margin-left: 5px;
    font-family: 'Open Sans', sans-serif;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s ease;
}

.github-btn:hover {
    background-color: rgba(165, 186, 224, 0.5);
    color: white;
}

.github-btn .ai {
    font-size: 15px;
    color: inherit;
    padding: 0;
}

.abstract-content {
    display: none;
    padding: 12px 0 12px 20px;
    margin-left: 10px;
    border-left: 4px solid rgba(165, 186, 224, 0.5);
    color: #666666;
    line-height: 1.6;
    font-size: 14px;
}

.paper-links {
    margin-top: 8px;
    color: #666666;
    font-style: italic;
    font-size: 15px;
}

.paper-item {
    margin-bottom: 30px;
}

/* ── Section Spacing ── */
section + section {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eeeeee;
}

/* ── Experience ── */
.exp-header {
    font-family: 'Open Sans', sans-serif;
    font-size: 20px;
    margin-top: 30px;
}

.exp-table {
    border-collapse: collapse;
    margin-left: 0;
}

.exp-table td {
    padding: 4px 0;
    vertical-align: top;
}

.exp-company {
    color: #666666;
    text-transform: uppercase;
    white-space: nowrap;
    width: 150px;
}

.exp-spacer {
    width: 10px;
    min-width: 10px;
}

.exp-role {
    color: #666666;
}

.exp-school {
    color: #666666;
}

.course-table {
    border-collapse: collapse;
    margin-left: 0;
    margin-bottom: 15px;
    table-layout: fixed;
    width: 100%;
    max-width: 750px;
}

.course-table td {
    color: #666666;
    padding: 3px 0;
    vertical-align: top;
    font-size: 15px;
}

.course-name {
    padding-right: 30px;
    width: 75%;
}

.course-spacer {
    width: 10px;
    min-width: 10px;
}

.course-date {
    white-space: nowrap;
}

/* ── Mobile Responsive ── */
@media screen and (max-width: 768px), screen and (max-height: 500px) {
    #intro_container {
        width: auto;
        margin-left: 15px;
        margin-right: 15px;
        margin-top: 20px;
    }

    .bio-email {
        margin-top: 25px;
        display: block;
        margin-bottom: 0;
    }

    .updates,
    .exp-table,
    .course-table {
        max-width: 100%;
        overflow-x: auto;
    }

    .course-table {
        table-layout: auto;
        width: 100%;
        max-width: 100%;
        font-size: 15px;
    }

    .course-name {
        width: auto;
    }

    .course-date {
        white-space: normal;
    }

    .course-spacer {
        width: 10px;
        min-width: 10px;
    }

    .exp-company {
        width: auto;
        padding-right: 15px;
        white-space: normal;
    }
}