.site-menu-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2200;
    width: 48px;
    height: 48px;
    border: 0;
    border-radius: 8px;
    background: var(--accent-color, #e74c3c);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.site-menu-toggle:hover {
    background: var(--accent-hover, #c0392b);
    transform: translateY(-1px);
}

.site-menu-toggle span,
.site-menu-toggle::before,
.site-menu-toggle::after {
    content: "";
    display: block;
    width: 24px;
    height: 3px;
    border-radius: 2px;
    background: currentColor;
    position: absolute;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-menu-toggle::before {
    transform: translateY(-8px);
}

.site-menu-toggle::after {
    transform: translateY(8px);
}

.site-menu-toggle.is-open span {
    opacity: 0;
}

.site-menu-toggle.is-open::before {
    transform: rotate(45deg);
}

.site-menu-toggle.is-open::after {
    transform: rotate(-45deg);
}

.site-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 2100;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.site-menu-backdrop.is-open {
    opacity: 1;
    pointer-events: auto;
}

.site-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 2150;
    width: min(360px, calc(100vw - 32px));
    height: 100vh;
    padding: 88px 20px 24px;
    background: var(--bg-secondary, #f8f9fa);
    color: var(--text-primary, #2d3436);
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.25);
    transform: translateX(100%);
    transition: transform 0.2s ease;
    overflow-y: auto;
}

.site-menu-panel.is-open {
    transform: translateX(0);
}

.site-menu-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.site-menu-link {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: 12px 14px;
    border-radius: 8px;
    color: var(--text-primary, #2d3436);
    background: var(--bg-primary, #ffffff);
    border: 1px solid var(--border-color, #dfe6e9);
    text-decoration: none;
    font-weight: 600;
}

.site-menu-link:hover,
.site-menu-link.is-active {
    color: #ffffff;
    background: var(--accent-color, #e74c3c);
    border-color: var(--accent-color, #e74c3c);
    text-decoration: none;
}

.site-menu-language {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--border-color, #dfe6e9);
}

.site-menu-language label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary, #636e72);
    font-size: 14px;
    font-weight: 700;
}

.site-menu-language select {
    width: 100%;
}

.language-selector {
    display: none !important;
}

@media screen and (max-width: 768px) {
    .site-menu-toggle {
        top: 14px;
        right: 14px;
    }

    .site-menu-panel {
        width: min(330px, calc(100vw - 20px));
        padding-top: 78px;
    }
}