:root {
    --research-blue: #1d3f8f;
    --research-blue-deep: #153477;
    --research-blue-soft: #eef3ff;
    --research-ink: #17233f;
    --research-muted: #65738a;
    --research-border: #d8dee9;
    --research-surface: #ffffff;
    --research-bg: #f5f7fb;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body.research-public-shell,
body.research-private-shell {
    display: block;
    min-height: 100vh;
    margin: 0;
    color: var(--research-ink);
    background: var(--research-bg);
    background-image: none !important;
    font-family: Tahoma, "Segoe UI", sans-serif;
}

.research-skip-link {
    position: fixed;
    z-index: 9999;
    top: 8px;
    right: 8px;
    padding: 10px 14px;
    background: #fff;
    color: var(--research-blue);
    transform: translateY(-160%);
}

.research-skip-link:focus {
    transform: translateY(0);
}

.research-public-container {
    width: min(100% - 48px, 1230px);
    margin-inline: auto;
}

.research-public-topbar {
    min-height: 38px;
    border-bottom: 1px solid #edf0f5;
    background: #fff;
}

.research-public-topbar__inner {
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.research-public-language,
.research-public-account-links a,
.research-public-account-links span {
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding-inline: 12px;
    color: #174099;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
}

.research-public-account-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.research-public-account-links a,
.research-public-account-links span {
    background: #f7f8fa;
}

.research-public-account-links a:hover,
.research-public-account-links a:focus {
    background: #edf3ff;
    color: #0e2f77;
}

.research-public-account-links .is-disabled {
    color: #7b8494;
}

.research-public-header {
    background: var(--research-blue);
    color: #fff;
}

.research-public-header__inner {
    min-height: 116px;
    display: flex;
    align-items: center;
    gap: 36px;
}

.research-public-brand {
    min-width: 285px;
    display: inline-flex;
    align-items: center;
    gap: 14px;
    color: #fff;
    text-decoration: none;
}

.research-public-brand img {
    width: 78px;
    height: 78px;
    object-fit: cover;
    border-radius: 6px;
}

.research-public-brand span {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.research-public-brand strong {
    color: #fff;
    font-size: 21px;
    font-weight: 900;
}

.research-public-brand small {
    color: rgba(255, 255, 255, 0.78);
    font-size: 11px;
}

.research-public-menu {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-right: auto;
}

.research-public-menu a {
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.research-public-menu a:hover,
.research-public-menu a:focus {
    color: #dce7ff;
    text-decoration: underline;
    text-underline-offset: 7px;
}

.research-public-menu-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 6px;
    background: transparent;
    color: #fff;
    padding: 9px 12px;
}

.research-public-content {
    min-height: 420px;
    background: #fff;
}

.research-login-page {
    padding: 30px 0 24px;
    background: #fff;
}

.research-page-title {
    margin-bottom: 35px;
    border-bottom: 4px solid var(--research-blue);
}

.research-page-title h1 {
    width: max-content;
    margin: 0 0 -4px auto;
    padding: 0 0 12px 18px;
    border-bottom: 4px solid #fff;
    color: #14327a;
    font-size: 22px;
    font-weight: 800;
}

.research-login-message {
    margin-bottom: 20px;
    padding: 12px 16px;
    border: 1px solid #b6dcc5;
    background: #f0fbf4;
    color: #176b39;
}

.research-login-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.86fr);
    align-items: start;
    gap: 72px;
    padding: 0 58px 0;
}

.research-login-intro {
    color: #202a3b;
    font-size: 15px;
    line-height: 2.25;
}

.research-login-intro h2 {
    margin: 0 0 18px;
    color: #193b8d;
    font-size: 18px;
    font-weight: 900;
}

.research-login-intro a,
.research-login-actions a {
    color: #1648b7;
    font-weight: 800;
}

.research-login-intro ul {
    margin: 0;
    padding-right: 21px;
}

.research-login-card {
    padding: 48px 16px 28px;
    border: 1px solid #ccd2dc;
    border-radius: 6px;
    background: #fff;
}

.research-login-form {
    width: min(100%, 515px);
    margin-inline: auto;
}

.research-login-validation:empty {
    display: none;
}

.research-login-validation {
    margin-bottom: 16px;
    color: #b42318;
    line-height: 1.8;
}

.research-login-validation ul {
    margin: 0;
}

.research-login-field {
    min-height: 40px;
    display: grid;
    grid-template-columns: 1fr 46px auto;
    align-items: stretch;
    margin-bottom: 14px;
    border: 1px solid #d3d9e3;
    border-radius: 5px;
    background: #fff;
    overflow: hidden;
}

.research-login-field:focus-within {
    border-color: #6f8dcc;
    box-shadow: 0 0 0 3px rgba(29, 63, 143, 0.1);
}

.research-login-field input {
    min-width: 0;
    width: 100%;
    border: 0;
    outline: 0;
    padding: 8px 14px;
    color: #17233f;
    background: transparent;
    font-family: inherit;
    text-align: right;
}

.research-login-field__icon,
.research-login-password-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-right: 1px solid #d3d9e3;
    background: #fff;
    color: #101828;
}

.research-login-password-toggle {
    width: 38px;
    border-right: 0;
    cursor: pointer;
}

.research-login-submit {
    min-height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 128px;
    margin: 3px 0 14px;
    border: 0;
    border-radius: 4px;
    background: var(--research-blue);
    color: #fff;
    font-family: inherit;
    font-size: 15px;
    font-weight: 900;
    line-height: 1.65;
    cursor: pointer;
}

.research-login-submit:hover,
.research-login-submit:focus {
    background: var(--research-blue-deep);
    outline: 3px solid rgba(29, 63, 143, 0.2);
    outline-offset: 2px;
}

.research-login-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.research-public-footer {
    background: var(--research-blue);
    color: #fff;
}

.research-public-footer__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 42px;
    padding-block: 40px 32px;
}

.research-public-footer section {
    min-width: 0;
}

.research-public-footer h2 {
    margin: 0 0 16px;
    color: #fff;
    font-size: 17px;
    font-weight: 900;
}

.research-public-footer p,
.research-public-footer a {
    display: block;
    margin: 0 0 9px;
    color: rgba(255, 255, 255, 0.92);
    font-size: 13px;
    line-height: 2;
    text-decoration: none;
}

.research-public-footer a:hover,
.research-public-footer a:focus {
    color: #fff;
    text-decoration: underline;
}

.research-public-footer__copyright {
    padding: 18px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    color: rgba(255, 255, 255, 0.88);
    text-align: center;
    font-size: 13px;
}

body.research-public-shell .research-account-page {
    min-height: 0 !important;
    padding: 40px 16px 52px !important;
    background: #f6f8fc !important;
}

body.research-public-shell .research-account-panel {
    border-radius: 7px !important;
    box-shadow: 0 8px 28px rgba(17, 35, 69, 0.08) !important;
}

.research-private-shell {
    min-height: 100vh;
    background: #f3f6fb;
}

.research-private-header {
    min-height: 74px;
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 8px 24px;
    background: var(--research-blue);
    color: #fff;
    box-shadow: 0 4px 18px rgba(12, 31, 73, 0.2);
}

.research-private-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    text-decoration: none;
}

.research-private-brand img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 5px;
}

.research-private-brand span,
.research-private-user > span:not(.research-private-user__avatar) {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.research-private-brand strong {
    color: #fff;
    font-size: 17px;
}

.research-private-brand small,
.research-private-user small {
    color: rgba(255, 255, 255, 0.7);
    font-size: 11px;
}

.research-private-user {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-right: auto;
}

.research-private-user strong {
    color: #fff;
    font-size: 13px;
}

.research-private-user__avatar {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    font-weight: 900;
}

.research-private-return,
.research-private-logout {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding-inline: 12px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 7px;
    color: #fff;
    text-decoration: none;
    font-size: 12px;
    font-weight: 800;
}

.research-private-return:hover,
.research-private-return:focus,
.research-private-logout:hover,
.research-private-logout:focus {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.research-private-menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 7px;
    background: transparent;
    color: #fff;
}

.research-private-workspace {
    min-height: calc(100vh - 74px);
    display: grid;
    grid-template-columns: 270px minmax(0, 1fr);
}

.research-private-sidebar {
    padding: 24px 16px;
    border-left: 1px solid #dce3ef;
    background: #fff;
}

.research-private-sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.research-private-sidebar nav a,
.research-private-sidebar nav span {
    min-height: 47px;
    display: grid;
    grid-template-columns: 25px 1fr auto;
    align-items: center;
    gap: 9px;
    padding: 9px 12px;
    border-radius: 8px;
    color: #30415f;
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
}

.research-private-sidebar nav a:hover,
.research-private-sidebar nav a:focus,
.research-private-sidebar nav a.is-active {
    background: var(--research-blue-soft);
    color: var(--research-blue);
}

.research-private-sidebar nav a.is-active {
    box-shadow: inset -3px 0 0 var(--research-blue);
}

.research-private-sidebar nav .is-disabled {
    color: #9aa5b5;
    cursor: not-allowed;
}

.research-private-sidebar nav small {
    font-size: 9px;
    font-weight: 700;
}

.research-private-sidebar__note {
    margin-top: 26px;
    padding: 13px;
    border: 1px dashed #bdc9db;
    border-radius: 8px;
    background: #f8fafc;
    color: #68758a;
    font-size: 11px;
    line-height: 1.9;
}

.research-private-content {
    min-width: 0;
    padding: 8px 0 40px;
}

.research-private-shell .research-articles-shell {
    max-width: 1480px;
}

.research-private-backdrop {
    display: none;
}

@media (max-width: 1050px) {
    .research-public-header__inner {
        flex-wrap: wrap;
        gap: 18px;
        padding-block: 15px;
    }

    .research-public-menu-toggle {
        display: inline-flex;
        margin-right: auto;
    }

    .research-public-menu {
        display: none;
        flex: 1 0 100%;
        flex-wrap: wrap;
        gap: 16px 28px;
        padding: 14px 0 5px;
        border-top: 1px solid rgba(255, 255, 255, 0.18);
    }

    .research-public-menu.is-open {
        display: flex;
    }

    .research-login-grid {
        gap: 35px;
        padding-inline: 16px;
    }

    .research-public-footer__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .research-private-header {
        padding-inline: 14px;
    }

    .research-private-menu-toggle {
        display: inline-flex;
    }

    .research-private-brand span,
    .research-private-user > span:not(.research-private-user__avatar),
    .research-private-return {
        display: none;
    }

    .research-private-workspace {
        display: block;
    }

    .research-private-sidebar {
        position: fixed;
        z-index: 1200;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(84vw, 290px);
        transform: translateX(110%);
        transition: transform 180ms ease;
        overflow-y: auto;
    }

    .research-private-backdrop {
        position: fixed;
        z-index: 1100;
        inset: 0;
        border: 0;
        background: rgba(10, 23, 52, 0.52);
    }

    body.research-menu-open {
        overflow: hidden;
    }

    body.research-menu-open .research-private-sidebar {
        transform: translateX(0);
    }

    body.research-menu-open .research-private-backdrop {
        display: block;
    }
}

@media (max-width: 680px) {
    .research-public-container {
        width: min(100% - 24px, 1230px);
    }

    .research-public-topbar__inner {
        align-items: stretch;
        flex-direction: column;
        gap: 4px;
        padding-block: 4px;
    }

    .research-public-language {
        display: none;
    }

    .research-public-account-links {
        justify-content: center;
    }

    .research-public-header__inner {
        min-height: 92px;
    }

    .research-public-brand {
        min-width: 0;
    }

    .research-public-brand img {
        width: 60px;
        height: 60px;
    }

    .research-public-brand strong {
        font-size: 16px;
    }

    .research-public-brand small {
        display: none;
    }

    .research-login-page {
        padding-top: 22px;
    }

    .research-page-title {
        margin-bottom: 24px;
    }

    .research-login-grid {
        grid-template-columns: 1fr;
        gap: 24px;
        padding-inline: 0;
    }

    .research-login-card {
        order: -1;
        padding: 28px 14px 22px;
    }

    .research-public-footer__grid {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .research-private-header {
        gap: 10px;
    }

    .research-private-brand img {
        width: 44px;
        height: 44px;
    }

    .research-private-user__avatar {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .research-private-sidebar {
        transition: none;
    }
}