.desktop-header {
        background: #ffffff;
        box-shadow: 0 2px 8px rgba(15,23,42,.06);
        padding: 10px 20px;
    }

    .desktop-header-container {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .desktop-header-left img {
        height: 55px;
    }

    .desktop-menu ul {
        display: flex;
        align-items: center;
        gap: 30px;
        margin: 0;
        padding: 0;
    }

    .desktop-menu li {
        list-style: none;
    }

    .desktop-menu a {
        color: #333;
        font-size: 15px;
        font-weight: 500;
        text-decoration: none;
    }

    .desktop-menu li.active a {
        color: #3730a3;
        font-weight: 700;
    }

    .sidebar-btn {
        background: #ffffff;
        border: 1px solid #e2e8f0;
        border-radius: 12px;
        padding: 6px 10px;
        box-shadow: 0 2px 8px rgba(15,23,42,.06);
    }

    .sidebar-btn i {
        font-size: 22px;
        color: #3730a3;
    }

    /* هدر دسکتاپ صفحهٔ فید خانه: جستجو + ورود/پروفایل */
    .desktop-header--feed-dashboard {
        position: sticky;
        top: 0;
        z-index: 1020;
        padding: 8px 16px;
    }

    .desktop-header-container--feed {
        max-width: 1280px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: auto minmax(0, 1fr) auto;
        align-items: center;
        gap: 12px 16px;
    }

    .dfh-start {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .dfh-sidebar-btn {
        margin: 0;
    }

    .dfh-auth {
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
    }

    .dfh-auth-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 12px;
        border-radius: 12px;
        font-size: 13px;
        font-weight: 800;
        text-decoration: none;
        border: none;
        cursor: pointer;
        white-space: nowrap;
        transition: background .15s ease, color .15s ease;
    }

    .dfh-auth-link--primary {
        background: #eef2ff;
        color: #3730a3;
        border: 1px solid #e0e7ff;
    }

    .dfh-auth-link--primary:hover {
        background: #e0e7ff;
        color: #312e81;
    }

    .dfh-auth-link--ghost {
        background: #fff;
        color: #334155;
        border: 1px solid #e2e8f0;
    }

    .dfh-auth-link--ghost:hover {
        background: #f8fafc;
    }

    .dfh-auth-link i {
        font-size: 1.25rem;
        line-height: 1;
    }

    .dfh-search {
        margin: 0;
        min-width: 0;
    }

    .dfh-search-box {
        display: flex;
        align-items: stretch;
        border: 1px solid #e2e8f0;
        border-radius: 14px;
        overflow: hidden;
        background: #f8fafc;
        box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
    }

    .dfh-search-input {
        flex: 1;
        min-width: 0;
        border: none;
        background: transparent;
        padding: 10px 12px;
        font-size: 14px;
        font-weight: 600;
        color: #0f172a;
    }

    .dfh-search-input:focus {
        outline: none;
        background: #fff;
    }

    .dfh-search-submit {
        border: none;
        background: linear-gradient(135deg, #6366f1, #4f46e5);
        color: #fff;
        padding: 0 14px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    .dfh-search-submit:hover {
        filter: brightness(1.05);
    }

    .dfh-search-submit i {
        font-size: 1.1rem;
    }

    .dfh-logo-wrap {
        display: flex;
        align-items: center;
        justify-content: flex-end;
    }

    .desktop-logo--compact img {
        height: 40px;
        width: auto;
        display: block;
    }

    @media (max-width: 900px) {
        .desktop-header-container--feed {
            grid-template-columns: 1fr auto;
            grid-template-areas:
                "start logo"
                "search search";
        }
        .dfh-start { grid-area: start; }
        .dfh-logo-wrap {
            grid-area: logo;
            justify-content: flex-end;
        }
        .dfh-search { grid-area: search; }
    }