:root {
    --feature-green: #18b968;
    --feature-blue: #337ff2;
    --feature-ink: #18243a;
    --feature-muted: #71809a;
    --feature-line: #dfe8f4;
}

.feature-ui-page {
    margin: 0;
    background: linear-gradient(110deg, #eef9f4 0, #eff5fb 48%, #e7f1ff 100%);
    color: var(--feature-ink);
    font-family: Prompt, sans-serif;
}

.feature-ui-page .landing-nav {
    position: relative;
    z-index: 2;
}

.feature-ui-shell {
    display: grid;
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 20px;
    max-width: 1520px;
    margin: 0 auto;
    padding: 22px 24px 42px;
}

.feature-ui-sidebar,
.feature-ui-topbar {
    border: 1px solid rgba(214, 226, 240, .9);
    box-shadow: 0 12px 35px rgba(72, 104, 145, .09);
}

.feature-ui-sidebar {
    position: sticky;
    top: 18px;
    align-self: start;
    max-height: calc(100vh - 36px);
    overflow: auto;
    border-radius: 22px;
    background: rgba(255, 255, 255, .92);
    padding: 18px 16px;
}

.feature-ui-sidebar__nav {
    display: grid;
    gap: 6px;
}

.feature-ui-nav-link {
    display: grid;
    grid-template-columns: 21px 1fr 12px;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border-radius: 12px;
    color: #5f708a;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: .2s;
}

.feature-ui-nav-link:hover {
    background: #edf5ff;
    color: #2476e9;
}

.feature-ui-nav-link.is-active {
    background: linear-gradient(100deg, var(--feature-green), var(--feature-blue));
    color: #fff;
    box-shadow: 0 9px 22px rgba(43, 125, 235, .24);
}

.feature-ui-nav-link__arrow {
    font-size: 10px;
}

.feature-ui-sidebar__footer {
    margin: 16px 8px 2px;
    color: #91a0b7;
    font-size: 11px;
}

.feature-ui-workspace {
    min-width: 0;
}

.feature-ui-topbar__brand {
    display: grid;
    gap: 1px;
}

.feature-ui-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
    padding: 14px 22px;
    border-radius: 20px;
    background: rgba(255, 255, 255, .87);
}

.feature-ui-topbar span {
    display: block;
    color: #377ff0;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .13em;
}

.feature-ui-topbar h1 {
    margin: 3px 0 0;
    font-size: 19px;
}

.feature-ui-back-link {
    border: 0;
    border-radius: 11px;
    padding: 10px 14px;
    background: #fff;
    color: #52627b;
    text-decoration: none;
    font: 600 12px Prompt, sans-serif;
    white-space: nowrap;
}

@media (max-width: 1040px) {
    .feature-ui-shell {
        grid-template-columns: 220px minmax(0, 1fr);
        padding: 16px;
    }
}

@media (max-width: 760px) {
    .feature-ui-shell {
        display: block;
        padding: 12px;
    }

    .feature-ui-sidebar {
        position: relative;
        top: 0;
        max-height: none;
        margin-bottom: 14px;
    }

    .feature-ui-sidebar__nav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .feature-ui-nav-link {
        font-size: 11px;
    }

    .feature-ui-topbar h1 {
        font-size: 17px;
    }
}

@media (max-width: 470px) {
    .feature-ui-sidebar__nav {
        grid-template-columns: 1fr;
    }
}