@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,400;8..60,600;8..60,700&display=swap");

:root {
    --research-bg: #dadada;
    --research-bg-soft: #ffffff;
    --research-panel: #19292b;
    --research-paper: #ffffff;
    --research-paper-deep: #ffffff;
    --research-ink: #192326;
    --research-muted: #464646;
    --research-line: rgba(25, 35, 38, 0.18);
    --research-light: #00000c;
    --research-accent: #4b4b4b;
    --research-accent-dark: #3f3f3f;
    --connector-color: #173f55;
    --research-max: 1180px;
    --research-radius: 0px;
    --research-shadow: 0 13px 40px rgba(0, 0, 0, 0.14);

}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.research-site {
    margin: 0;
    min-height: 100vh;
    color: var(--research-light);
    background:
        /* radial-gradient(circle at 12% 5%, rgba(74, 132, 124, 0.18), transparent 28rem), */
        var(--research-bg);
    /* font-family: "DM Sans", sans-serif; */
}

.research-site a {
    color: inherit;
}

.research-nav {
    position: sticky;
    z-index: 20;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 68px;
    padding: 0 max(24px, calc((100vw - var(--research-max)) / 2));
    border-bottom: 1px solid var(--research-line);
    background: rgba(13, 23, 24, 0.9);
    backdrop-filter: blur(18px);
}

.research-brand,
.research-nav-links a {
    color: #f8f8f5;
    text-decoration: none;
}

.research-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: #ffffff !important;
    /* font-family: "Source Serif 4", serif; */
    font-family: "Times New Roman", Times, serif;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.01em;

}

.research-brand:visited,
.research-brand:hover,
.research-brand:focus-visible {
    color: #ffffff !important;
}

/* .research-brand::before {
    width: 9px;
    height: 9px;
    border: 2px solid var(--research-accent);
    border-radius: 50%;
    content: "";
} */

.research-nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.research-nav-links a {
    color: rgba(243, 238, 229, 0.68);
    font-size: 0.84rem;
    font-weight: 600;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.research-nav-links a:hover,
.research-nav-links a:focus-visible {
    color: white;
}

.research-main {
    width: min(var(--research-max), calc(100% - 40px));
    margin: 0 auto;
    padding: 72px 0 96px;
}

.research-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    gap: 56px;
    align-items: end;
    padding: 48px 0 62px;
}

.research-kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin: 0 0 20px;
    color: var(--research-accent);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.research-kicker::before {
    width: 24px;
    height: 1px;
    background: currentColor;
    content: "";
}

.research-hero h1,
.research-hero h2,
.paper-heading h1,
.paper-heading h2,
.derivation-heading h1,
.derivation-heading h2,
.admin-heading h1 {
    margin: 0;
    /* font-family: "Source Serif 4", serif; */
    font-family: "Times New Roman", Times, serif;
    font-weight: 200;
    /* letter-spacing: -0.045em; */
}

.research-hero h1 {
    max-width: 760px;
    font-size: clamp(3.4rem, 8vw, 7.4rem);
    line-height: 0.86;
}

.research-hero-copy {
    margin: 0 0 8px;
    color: var(--research-muted);
    /* font-family: "Source Serif 4", serif; */
    font-family: "Times New Roman", Times, serif;
    font-size: clamp(1.08rem, 1.8vw, 1.32rem);
    line-height: 1.62;
}

.research-rule {
    height: 1px;
    margin: 0 0 30px;
    border: 0;
    background: var(--research-line);
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 26px;
}

.section-heading h2 {
    margin: 0;
    /* font-family: "Source Serif 4", serif; */
    font-family: "Times New Roman", Times, serif;
    font-size: clamp(1.9rem, 4vw, 3.2rem);
    font-weight: 600;
    letter-spacing: -0.035em;
}

.section-heading p {
    max-width: 470px;
    margin: 0;
    color: rgba(0, 0, 0, 0.56);
    line-height: 1.55;
}

.paper-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.paper-card {
    position: relative;
    display: flex;
    min-height: 330px;
    padding: 30px;
    overflow: hidden;
    border: 1px solid var(--research-line);
    border-radius: var(--research-radius);
    color: #f7f7f3;
    background:
        /* linear-gradient(145deg, rgba(255, 255, 255, 0.055), transparent 50%), */
        var(--research-panel);
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.paper-card:hover,
.paper-card:focus-visible {
    transform: translateY(-4px);
    border-color: rgba(220, 174, 120, 0.55);
    background:
        /* linear-gradient(145deg, rgba(255, 255, 255, 0.08), transparent 50%), */
        #1c3031;
    outline: none;
}

.paper-card-content {
    display: flex;
    flex: 1;
    flex-direction: column;
}

.paper-card-meta,
.paper-meta,
.derivation-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.paper-card-meta {
    color: rgba(247, 247, 243, 0.68);
}

.paper-meta,
.derivation-meta {
    color: var(--research-muted);
}

.paper-card h3 {
    max-width: 560px;
    margin: 30px 0 18px;
    color: #ffffff;
    /* font-family: "Source Serif 4", serif; */
    font-family: "Times New Roman", Times, serif;
    font-size: clamp(1.65rem, 3vw, 2.45rem);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1.07;
}

.paper-card-abstract {
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    color: rgba(243, 238, 229, 0.62);
    line-height: 1.58;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.paper-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: auto;
    padding-top: 28px;
    color: #d7ddda;
    font-size: 0.83rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.paper-card-footer .arrow {
    font-size: 1.35rem;
    transition: transform 180ms ease;
}

.paper-card:hover .arrow {
    transform: translateX(5px);
}

.loading-panel,
.empty-panel,
.error-panel {
    grid-column: 1 / -1;
    padding: 36px;
    border: 1px solid var(--research-line);
    border-radius: var(--research-radius);
    color: var(--research-muted);
    background: rgba(0, 0, 0, 0.035);
}

.error-panel {
    color: #00003a;
    border-color: rgba(10, 1, 0, 0.35);
}

.paper-main {
    width: min(1260px, calc(100% - 36px));
    margin: 0 auto;
    padding: 62px 0 100px;
}

.paper-heading,
.derivation-heading,
.admin-heading {
    width: min(970px, 100%);
    margin: 0 auto 42px;
}

.paper-heading h1,
.paper-heading h2 {
    max-width: 900px;
    font-size: clamp(1.25rem, 2vw, 1.9rem);
    line-height: 1.12;
}

.paper-meta,
.derivation-meta {
    margin-top: 24px;
}

.paper-summary {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.36fr);
    gap: 22px;
    width: min(970px, 100%);
    margin: 0 auto 30px;
}

.paper-summary-panel {
    padding: 22px 24px;
    border: 1px solid var(--research-line);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.035);
}

.paper-summary-panel h2 {
    margin: 0 0 10px;
    color: var(--research-accent);
    font-size: 0.73rem;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.paper-summary-panel p {
    margin: 0;
    color: var(--research-muted);
    line-height: 1.55;
}

.paper-summary-panel .paper-import-note {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--research-line);
    color: #6b431c;
    font-size: 0.86rem;
}

.paper-sheet,
.derivation-sheet {
    position: relative;
    width: min(970px, 100%);
    margin: 0 auto;
    overflow: hidden;
    border-radius: 3px;
    color: var(--research-ink);
    background:
        /* linear-gradient(90deg, rgba(100, 72, 42, 0.025), transparent 8%), */
        var(--research-paper);
    box-shadow: var(--research-shadow);
}

.paper-sheet::before,
.derivation-sheet::before {
    position: absolute;
    z-index: 3;
    inset: 0 0 auto;
    height: 5px;
    background: var(--research-accent);
    content: "";
}

.paper-document,
.derivation-document {
    position: relative;
    min-height: 400px;
    padding: 76px 82px 96px 108px;
    /* font-family: "Source Serif 4", Georgia, serif; */
    font-family: "Times New Roman", Times, serif;
    font-size: 1.045rem;
    line-height: 1.72;
}

.derivation-document {
    padding-left: 82px;
}

.latex-abstract {
    margin: 0 0 46px;
    padding: 24px 28px;
    border: 1px solid rgba(25, 35, 38, 0.14);
    border-left: 4px solid var(--research-accent-dark);
    background: rgba(162, 109, 63, 0.055);
}

.latex-abstract h2 {
    margin: 0 0 9px;
    /* font-family: "DM Sans", sans-serif; */
    font-family: "Times New Roman", Times, serif;
    font-size: 0.73rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.latex-abstract p {
    margin: 0;
}

.latex-paragraph {
    margin: 0 0 1.25em;
}

.latex-render-warning {
    margin: 0 0 28px;
    padding: 14px 16px;
    border-left: 4px solid #9a5a20;
    color: #60370f;
    background: #fff3df;
    font-family: "Times New Roman", Times, serif;
}

.latex-section,
.latex-subsection,
.latex-subsubsection {
    color: #152022;
    font-family: "Source Serif 4", serif;
    font-weight: 700;
    line-height: 1.1;
}

.latex-section {
    margin: 2em 0 0.72em;
    font-size: 1.8rem;
}

.latex-subsection {
    margin: 1.8em 0 0.62em;
    font-size: 1.4rem;
}

.latex-subsubsection {
    margin: 1.6em 0 0.55em;
    font-size: 1.14rem;
}

.equation-block,
.display-math-block {
    position: relative;
    margin: 26px -20px;
    padding: 16px 20px;
    overflow-x: auto;
    border: 1px solid transparent;
    border-left: 4px solid transparent;
    border-radius: 8px;
    transition: background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.equation-block mjx-container,
.display-math-block mjx-container {
    min-width: max-content;
}

.equation-block.is-annotated {
    border-left-color: var(--equation-color);
    background: color-mix(in srgb, var(--equation-color) 8%, transparent);
    cursor: pointer;
}

.equation-block.is-annotated:hover,
.equation-block.is-annotated:focus-visible {
    border-color: color-mix(in srgb, var(--equation-color) 48%, transparent);
    border-left-color: var(--equation-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--equation-color) 10%, transparent);
    outline: none;
}

.equation-block.is-annotated::after {
    position: sticky;
    left: 100%;
    display: block;
    width: max-content;
    margin: 7px 0 -8px auto;
    color: var(--equation-color);
    content: "Open derivation ↗";
    font-family: "DM Sans", sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.annotation-rail {
    position: absolute;
    z-index: 4;
    inset: 0 auto 0 17px;
    width: 76px;
    pointer-events: none;
}

.annotation-connector {
    position: absolute;
    width: 28px;
    min-height: 14px;
    border-left: 3px solid currentColor;
    color: var(--connector-color);
    filter: drop-shadow(0 0 0.5px rgba(255, 255, 255, 0.8));
    pointer-events: auto;
}

.annotation-connector::before,
.annotation-connector::after {
    position: absolute;
    left: -1px;
    width: 23px;
    height: 3px;
    background: currentColor;
    content: "";
}

.annotation-connector::before {
    top: 0;
}

.annotation-connector::after {
    bottom: 0;
}

.annotation-connector:hover,
.annotation-connector:focus-visible {
    filter: brightness(0.72);
    outline: none;
}

.annotation-single {
    position: absolute;
    width: 28px;
    height: 3px;
    background: var(--connector-color);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.42);
    pointer-events: auto;
}

.derivation-list {
    display: grid;
    gap: 9px;
}

.derivation-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 10px 0;
    border-bottom: 1px solid var(--research-line);
    color: var(--research-light);
    text-decoration: none;
}

.derivation-list a:last-child {
    border-bottom: 0;
}

.derivation-list small {
    color: var(--research-muted);
    white-space: nowrap;
}

.source-details {
    width: min(970px, 100%);
    margin: 28px auto 0;
    border: 1px solid var(--research-line);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.38);
}

.source-details summary {
    padding: 16px 19px;
    color: var(--research-muted);
    cursor: pointer;
    font-size: 0.83rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.source-details pre {
    max-height: 520px;
    margin: 0;
    padding: 20px;
    overflow: auto;
    border-top: 1px solid var(--research-line);
    color: #eef3f1;
    background: #182325;
    font: 0.82rem/1.55 ui-monospace, SFMono-Regular, Menlo, monospace;
    white-space: pre-wrap;
}

.derivation-heading h1,
.admin-heading h1 {
    font-size: clamp(2.6rem, 6vw, 5rem);
    line-height: 0.98;
}

.equation-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 22px;
}

.equation-badge {
    padding: 7px 11px;
    border: 1px solid rgba(220, 174, 120, 0.35);
    border-radius: 999px;
    color: var(--research-accent);
    background: rgba(220, 174, 120, 0.07);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    color: rgba(3, 3, 3, 0.58) !important; 
    text-decoration: none;
}

.back-link:hover,
.back-link:focus-visible {
    color: var(--research-light) !important;
}

.admin-main {
    width: min(1060px, calc(100% - 40px));
    margin: 0 auto;
    padding: 64px 0 100px;
}

.admin-heading {
    margin-left: 0;
}

.admin-heading p {
    max-width: 720px;
    color: rgba(23, 23, 23, 0.62);
    font-family: "Source Serif 4", serif;
    font-size: 1.13rem;
    line-height: 1.6;
}

.admin-login,
.admin-panel,
.admin-card {
    border: 1px solid var(--research-line);
    border-radius: var(--research-radius);
    background: rgba(255, 255, 255, 0.035);
}

.admin-login {
    max-width: 560px;
    padding: 26px;
}

.admin-login h2,
.admin-card h2 {
    margin: 0 0 10px;
    font-family: "Source Serif 4", serif;
    font-size: 1.8rem;
}

.admin-login p,
.admin-card > p,
.admin-note {
    color: rgba(0, 0, 0, 0.58);
    line-height: 1.55;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.admin-card {
    padding: 28px;
}

.admin-manager {
    margin-top: 20px;
}

.manager-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 28px;
}

.manager-heading > div > p {
    max-width: 650px;
    margin: 0;
    color: rgba(0, 0, 0, 0.58);
    line-height: 1.55;
}

.manager-heading .form-status {
    min-width: 220px;
    text-align: right;
}

.paper-manager {
    display: grid;
    gap: 12px;
    margin-top: 24px;
}

.managed-paper {
    overflow: hidden;
    border: 1px solid var(--research-line);
    background: rgba(255, 255, 255, 0.46);
}

.managed-paper-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
    padding: 16px;
}

.paper-position {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    color: #ffffff;
    background: var(--research-panel);
    font-weight: 700;
}

.managed-paper-copy {
    display: grid;
    min-width: 0;
    gap: 4px;
}

.managed-paper-copy strong {
    color: var(--research-ink);
    font-family: "Times New Roman", Times, serif;
    font-size: 1.08rem;
}

.managed-paper-copy span {
    overflow: hidden;
    color: var(--research-muted);
    font-size: 0.82rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.managed-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 7px;
}

.manager-button,
.manager-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    border: 1px solid rgba(25, 35, 38, 0.25);
    border-radius: 6px;
    padding: 7px 10px;
    color: var(--research-ink);
    background: rgba(255, 255, 255, 0.86);
    cursor: pointer;
    font: 700 0.76rem "Times New Roman", Times, serif;
    text-decoration: none;
}

.manager-button:hover,
.manager-button:focus-visible,
.manager-link:hover,
.manager-link:focus-visible {
    border-color: var(--research-panel);
    background: #ffffff;
    outline: none;
}

.manager-button:disabled {
    cursor: not-allowed;
    opacity: 0.35;
}

.manager-button.danger {
    border-color: rgba(138, 37, 27, 0.4);
    color: #8a251b;
}

.manager-button.danger:hover,
.manager-button.danger:focus-visible {
    color: #ffffff;
    background: #8a251b;
}

.managed-derivations {
    display: grid;
    gap: 8px;
    padding: 12px 16px 16px 64px;
    border-top: 1px solid var(--research-line);
    background: rgba(25, 41, 43, 0.035);
}

.managed-label {
    color: var(--research-muted);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.managed-derivation-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding-top: 8px;
    border-top: 1px solid rgba(25, 35, 38, 0.1);
}

.managed-derivation-row a {
    display: flex;
    min-width: 0;
    flex-wrap: wrap;
    gap: 5px 12px;
    color: var(--research-ink);
    text-decoration: none;
}

.managed-derivation-row a:hover,
.managed-derivation-row a:focus-visible {
    text-decoration: underline;
}

.managed-derivation-row small {
    color: var(--research-muted);
}

.manager-button.subtle {
    min-height: 30px;
    padding: 5px 9px;
}

.admin-form {
    display: grid;
    gap: 16px;
    margin-top: 24px;
}

.field {
    display: grid;
    gap: 7px;
}

.field-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.field label,
.field-label {
    color: rgba(0, 0, 0, 0.72);
    font-size: 0.79rem;
    font-weight: 700;
    letter-spacing: 0.045em;
}

.field input,
.field select,
.field textarea,
.admin-login input {
    width: 100%;
    border: 1px solid rgba(25, 35, 38, 0.28);
    border-radius: 8px;
    padding: 11px 12px;
    color: var(--research-light);
    background: rgba(255, 255, 255, 0.78);
    font: inherit;
}

.field textarea {
    min-height: 170px;
    resize: vertical;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.82rem;
    line-height: 1.5;
}

.field input:focus,
.field select:focus,
.field textarea:focus,
.admin-login input:focus {
    border-color: var(--research-accent);
    outline: 3px solid rgba(220, 174, 120, 0.12);
}

.file-or-text {
    display: grid;
    gap: 10px;
    padding: 14px;
    border: 1px dashed rgba(25, 35, 38, 0.28);
    border-radius: 10px;
}

.equation-picker {
    display: grid;
    max-height: 330px;
    gap: 8px;
    padding: 10px;
    overflow: auto;
    border: 1px solid rgba(25, 35, 38, 0.2);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.13);
}

.equation-choice {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px;
    align-items: start;
    padding: 9px;
    border-radius: 7px;
    cursor: pointer;
}

.equation-choice:hover {
    background: rgba(255, 255, 255, 0.5);
}

.equation-choice input {
    margin-top: 3px;
}

.equation-choice strong {
    display: block;
    color: var(--research-light);
    font-size: 0.82rem;
}

.equation-choice code {
    display: block;
    margin-top: 4px;
    overflow: hidden;
    color: var(--research-muted);
    font-size: 0.72rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.research-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 43px;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: 10px 16px;
    color: #ffffff;
    background: var(--research-accent);
    cursor: pointer;
    /* font: 700 0.82rem "DM Sans", sans-serif; */
    font: 700 0.82rem 'Times New Roman', Times, serif;
    letter-spacing: 0.035em;
    text-decoration: none;
}

.research-button:hover,
.research-button:focus-visible {
    background: #303030;
    outline: none;
}

.research-button.secondary {
    border-color: var(--research-line);
    color: var(--research-light);
    background: rgba(255, 255, 255, 0.46);
}

.research-button.secondary:hover {
    background: rgba(255, 255, 255, 0.07);
}

.research-button:disabled {
    cursor: progress;
    opacity: 0.6;
}

.form-status {
    min-height: 22px;
    margin: 2px 0 0;
    color: var(--research-muted);
    font-size: 0.83rem;
}

.form-status.success {
    color: #236443;
}

.form-status.error {
    color: #9a2f22;
}

.is-hidden {
    display: none !important;
}

.research-footer {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    width: min(var(--research-max), calc(100% - 40px));
    margin: 0 auto;
    padding: 30px 0 44px;
    border-top: 1px solid var(--research-line);
    color: rgba(0, 0, 0, 0.99);
    font-size: 0.82rem;
}

.research-footer a {
    text-decoration: none;
    font-weight: bolder;
}

.research-footer a:hover {
    color: var(--research-light);
    text-decoration: underline;
}

@media (max-width: 820px) {
    .research-nav {
        padding: 0 18px;
    }

    .research-nav-links {
        gap: 14px;
    }

    .research-nav-links a {
        font-size: 0.72rem;
    }

    .research-hero,
    .paper-summary,
    .admin-grid {
        grid-template-columns: 1fr;
    }

    .research-hero {
        gap: 26px;
        padding-top: 24px;
    }

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

    .paper-document,
    .derivation-document {
        padding: 64px 34px 74px 76px;
        font-size: 0.98rem;
    }

    .derivation-document {
        padding-left: 34px;
    }

    .annotation-rail {
        left: 7px;
        width: 54px;
    }

    .equation-block,
    .display-math-block {
        margin-right: -12px;
        margin-left: -12px;
        padding-right: 12px;
        padding-left: 12px;
    }

    .section-heading {
        align-items: start;
        flex-direction: column;
    }

    .manager-heading {
        flex-direction: column;
        gap: 12px;
    }

    .manager-heading .form-status {
        min-width: 0;
        text-align: left;
    }

    .managed-paper-row {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .managed-actions {
        grid-column: 1 / -1;
        justify-content: flex-start;
    }

    .managed-derivations {
        padding-left: 16px;
    }
}

@media (max-width: 540px) {
    .research-brand span {
        display: none;
    }

    .research-main,
    .admin-main {
        width: min(100% - 24px, var(--research-max));
    }

    .paper-main {
        width: min(100% - 16px, 1260px);
        padding-top: 38px;
    }

    .paper-heading h1,
    .derivation-heading h1 {
        font-size: 2.45rem;
    }

    .paper-heading h1,
    .paper-heading h2 {
        font-size: 1.45rem;
    }

    .paper-document {
        padding: 54px 18px 62px 54px;
    }

    .derivation-document {
        padding-right: 18px;
        padding-left: 18px;
    }

    .latex-abstract {
        padding: 18px;
    }

    .paper-card,
    .admin-card {
        padding: 22px;
    }

    .field-row {
        grid-template-columns: 1fr;
    }

    .managed-derivation-row {
        align-items: flex-start;
        flex-direction: column;
    }

    .research-footer {
        flex-direction: column;
    }
}