:root {
    color-scheme: light;
    --bg: #f6f9ff;
    --surface: rgba(255, 255, 255, 0.8);
    --text: #17243b;
    --muted: #52627a;
    --border: #dde6f3;
    --primary: #2563eb;
    --primary-contrast: #fff;
    --glow: #dfebff;
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        'Segoe UI',
        sans-serif;
}
:root[data-theme='dark'] {
    color-scheme: dark;
    --bg: #050b18;
    --surface: rgba(15, 28, 53, 0.8);
    --text: #e8effc;
    --muted: #a8b7ce;
    --border: #23334e;
    --primary: #7bb6ff;
    --primary-contrast: #05132b;
    --glow: #10234c;
}
@media (prefers-color-scheme: dark) {
    :root[data-theme='system'] {
        color-scheme: dark;
        --bg: #050b18;
        --surface: rgba(15, 28, 53, 0.8);
        --text: #e8effc;
        --muted: #a8b7ce;
        --border: #23334e;
        --primary: #7bb6ff;
        --primary-contrast: #05132b;
        --glow: #10234c;
    }
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(ellipse 95% 650px at 50% 0, var(--glow), transparent),
        var(--bg);
    line-height: 1.7;
}
a {
    color: inherit;
    text-decoration: none;
}
a:hover {
    color: var(--primary);
}
button {
    font: inherit;
}
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 5px;
    border-radius: 5px;
}
h1,
h2,
h3,
p {
    margin-top: 0;
}
h1,
h2,
h3 {
    line-height: 1.28;
    letter-spacing: -0.025em;
}
h1 {
    font-size: clamp(1.7rem, 3.1vw, 2.55rem);
    font-weight: 750;
    margin-bottom: 14px;
    max-width: 1000px;
}
h2 {
    font-size: clamp(1.25rem, 2.2vw, 1.9rem);
    margin-bottom: 20px;
}
h3 {
    font-size: 1.05rem;
}
p:last-child {
    margin-bottom: 0;
}
.container {
    max-width: 1120px;
    margin: auto;
    padding: 32px 28px 64px;
}
.site-header {
    max-width: 1120px;
    margin: 20px auto 0;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
    gap: 18px;
}
.brand {
    display: inline-flex;
    gap: 10px;
    align-items: center;
    font-size: 1.15rem;
    font-weight: 750;
    letter-spacing: -0.04em;
}
.brand img {
    object-fit: contain;
}
.brand-accent {
    color: var(--primary);
}
.site-header nav {
    display: flex;
    align-items: center;
    gap: 22px;
    font-size: 0.88rem;
    color: var(--muted);
}
.theme-toggle {
    width: 34px;
    height: 34px;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text);
    background: transparent;
    cursor: pointer;
}
.skip-link {
    position: fixed;
    left: 15px;
    top: -80px;
    z-index: 20;
    padding: 10px 18px;
    background: var(--primary);
    color: var(--primary-contrast);
}
.skip-link:focus {
    top: 12px;
}
.eyebrow {
    font-size: 0.69rem;
    letter-spacing: 0.13em;
    font-weight: 750;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 10px;
}
.publication-heading {
    margin: 10px 0 24px;
}
.author {
    font-size: 1.1rem;
    font-weight: 650;
    margin-bottom: 3px;
}
.affiliation,
.status {
    font-size: 0.86rem;
    color: var(--muted);
    margin-bottom: 6px;
}
.status {
    margin-top: 10px;
}
.abstract {
    border-top: 1px solid var(--border);
    padding-top: 20px;
}
.abstract h2 {
    font-size: 1.08rem;
    letter-spacing: 0;
    margin-bottom: 10px;
}
.abstract p {
    font-size: 0.93rem;
    line-height: 1.8;
    margin-bottom: 12px;
}
.abstract .keywords {
    font-size: 0.82rem;
    color: var(--muted);
}
.actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}
.primary-actions {
    margin: 22px 0 30px;
}
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 11px 17px;
    border: 1px solid transparent;
    border-radius: 11px;
    background: var(--primary);
    color: var(--primary-contrast);
    font-size: 0.85rem;
    font-weight: 650;
}
.button:hover {
    color: var(--primary-contrast);
    filter: brightness(1.08);
}
.button-secondary {
    border-color: var(--border);
    color: var(--text);
    background: var(--surface);
}
.button-secondary:hover {
    color: var(--primary);
    border-color: var(--primary);
}
.card {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--surface);
}
.card p {
    font-size: 0.89rem;
    color: var(--muted);
}
.details-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}
.details-grid dl {
    margin: 0;
    padding: 18px;
}
.details-grid dt {
    font-size: 0.72rem;
    color: var(--muted);
    margin-bottom: 6px;
}
.details-grid dd {
    margin: 0;
    font-weight: 650;
    font-size: 0.9rem;
}
.details-grid .supervisors {
    grid-column: 1 / -1;
}
.research-section {
    margin: 48px 0;
}
.research-section > p.muted {
    max-width: 800px;
    margin-bottom: 24px;
}
.three-columns {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}
.two-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.technology-card {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 35px;
    padding: 32px;
    margin: 42px 0;
}
.technology-tags {
    display: flex;
    flex-direction: column;
    gap: 12px;
    justify-content: center;
}
.technology-tags span {
    font-size: 0.86rem;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-weight: 650;
}
.text-link {
    font-size: 0.86rem;
    font-weight: 650;
    color: var(--primary);
}
.related-publications .actions {
    margin-top: 22px;
}
.permalink {
    border-top: 1px solid var(--border);
    padding-top: 22px;
    font-size: 0.8rem;
    color: var(--muted);
    overflow-wrap: anywhere;
}
.permalink p {
    font-weight: 650;
    margin-bottom: 4px;
}
.site-footer {
    max-width: 1120px;
    margin: auto;
    border-top: 1px solid var(--border);
    padding: 25px 28px 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    font-size: 0.83rem;
    color: var(--muted);
}
.archive-intro {
    padding: 30px 0 36px;
}
.archive-intro h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    max-width: 740px;
}
.lead {
    max-width: 730px;
    font-size: 1.05rem;
    color: var(--muted);
}
.muted {
    color: var(--muted);
}
.document-grid {
    display: grid;
    gap: 20px;
}
.archive-card h2 {
    font-size: 1.3rem;
    max-width: 880px;
}
.archive-card .actions {
    margin-top: 22px;
}
@media (min-width: 1450px) {
    .container,
    .site-header,
    .site-footer {
        max-width: 1200px;
    }
    .publication-heading {
        margin-top: 2px;
    }
    .abstract p {
        line-height: 1.75;
    }
}
@media (max-width: 700px) {
    .site-header {
        margin: 12px 12px 0;
        padding: 12px 15px;
        gap: 10px;
    }
    .site-header nav {
        gap: 12px;
    }
    .site-header nav > a:first-child {
        display: none;
    }
    .brand {
        font-size: 1.03rem;
    }
    .brand img {
        width: 28px;
        height: 28px;
    }
    .container {
        padding: 25px 20px 48px;
    }
    .details-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .three-columns,
    .two-columns,
    .technology-card {
        grid-template-columns: 1fr;
    }
    .technology-card {
        gap: 20px;
        padding: 24px;
    }
    .research-section {
        margin: 36px 0;
    }
    .site-footer {
        margin: 0 20px;
        padding: 24px 0;
        flex-wrap: wrap;
        justify-content: flex-start;
    }
    .site-footer .brand {
        width: 100%;
    }
    .card {
        padding: 21px;
    }
}
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}
@media print {
    body {
        background: #fff;
        color: #000;
    }
    .site-header,
    .site-footer,
    .theme-toggle,
    .primary-actions,
    .skip-link {
        display: none;
    }
    .container {
        max-width: none;
        padding: 0;
    }
    .card {
        background: #fff;
        border: 1px solid #aaa;
        break-inside: avoid;
    }
    .eyebrow,
    .muted,
    .affiliation,
    .keywords {
        color: #333;
    }
    .research-section {
        break-inside: avoid;
    }
}