/* Burger Menu для SEO-страниц */
/* Тонкое меню в правом верхнем углу */

.burger-menu {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

/* Скрываем burger menu на страницах с якорями (/#tabata, /#girls, /#timer, /#men) */
/* Показываем только на главной странице */
body:has(#tabata.active) .burger-menu,
body:has(#girls.active) .burger-menu,
body:has(#timer.active) .burger-menu,
body:has(#men.active) .burger-menu,
body:has(article.active) .burger-menu {
    display: none !important;
}

.burger-menu-button {
    width: 30px;
    height: 30px;
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    outline: none !important;
    box-shadow: none !important;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    padding: 0;
    margin: 0;
    transition: opacity 0.3s ease-in-out;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.burger-menu-button:hover {
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    opacity: 0.7;
    transform: none;
}

.burger-menu-button:focus {
    outline: none !important;
    box-shadow: none !important;
    border: none !important;
}

.burger-menu-button.active {
    background: transparent !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    opacity: 0.7;
}

.burger-menu-button span {
    display: block;
    width: 20px;
    height: 1px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 0;
    transition: all 0.3s ease-in-out;
}

.burger-menu-button.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.burger-menu-button.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu-button.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.burger-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
    z-index: 9999;
}

.burger-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.burger-menu-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    max-width: 85vw;
    height: 100%;
    background: rgba(27, 31, 34, 0.75);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    transition: right 0.3s ease-in-out;
    z-index: 10001;
    padding: 80px 0 40px 0;
}

/* Крестик для закрытия меню (только крестик, без кольца) */
.burger-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none !important;
    border-radius: 0 !important;
    cursor: pointer;
    padding: 0;
    margin: 0;
    z-index: 10002;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: opacity 0.2s ease-in-out;
    outline: none !important;
    box-shadow: none !important;
}

.burger-menu-close:hover {
    opacity: 1;
}

.burger-menu-close::before,
.burger-menu-close::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 1px;
    background: rgba(255, 255, 255, 0.9);
    transition: all 0.2s ease-in-out;
}

.burger-menu-close::before {
    transform: rotate(45deg);
}

.burger-menu-close::after {
    transform: rotate(-45deg);
}

.burger-menu-panel.active {
    right: 0;
}

.burger-menu-panel::-webkit-scrollbar {
    width: 6px;
}

.burger-menu-panel::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.burger-menu-panel::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.burger-menu-panel::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.burger-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.burger-menu-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.burger-menu-link {
    display: block;
    padding: 16px 24px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none !important;
    font-size: 0.95rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: all 0.2s ease-in-out;
    position: relative;
}

.burger-menu-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
    padding-left: 28px;
    text-decoration: none !important;
}

.burger-menu-link.active {
    color: #7af5ff;
    background: rgba(122, 245, 255, 0.1);
    text-decoration: none !important;
}

.burger-menu-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #7af5ff;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}

.burger-menu-link:hover::before,
.burger-menu-link.active::before {
    opacity: 1;
}

.burger-menu-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
    background: rgba(0, 0, 0, 0.2);
}

.burger-menu-item.has-submenu > .burger-menu-link::after {
    content: '›';
    float: right;
    transition: transform 0.3s ease-in-out;
}

.burger-menu-item.has-submenu.open > .burger-menu-link::after {
    transform: rotate(90deg);
}

.burger-menu-item.has-submenu.open > .burger-menu-submenu {
    max-height: 1000px;
}

.burger-menu-submenu .burger-menu-link {
    padding-left: 40px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none !important;
}

.burger-menu-submenu .burger-menu-link:hover {
    padding-left: 44px;
    text-decoration: none !important;
}

/* Адаптивность */
@media screen and (max-width: 736px) {
    .burger-menu {
        top: 15px;
        right: 15px;
    }
    
    .burger-menu-button {
        width: 36px;
        height: 36px;
    }
    
    .burger-menu-panel {
        width: 280px;
        max-width: 90vw;
    }
    
    .burger-menu-link {
        padding: 14px 20px;
        font-size: 0.9rem;
    }
    
    .burger-menu-submenu .burger-menu-link {
        padding-left: 36px;
    }
}

/* Анимация появления элементов меню */
.burger-menu-item {
    opacity: 0;
    transform: translateX(20px);
    animation: slideInRight 0.3s ease-out forwards;
}

.burger-menu-item:nth-child(1) { animation-delay: 0.05s; }
.burger-menu-item:nth-child(2) { animation-delay: 0.1s; }
.burger-menu-item:nth-child(3) { animation-delay: 0.15s; }
.burger-menu-item:nth-child(4) { animation-delay: 0.2s; }
.burger-menu-item:nth-child(5) { animation-delay: 0.25s; }
.burger-menu-item:nth-child(6) { animation-delay: 0.3s; }
.burger-menu-item:nth-child(7) { animation-delay: 0.35s; }
.burger-menu-item:nth-child(8) { animation-delay: 0.4s; }

@keyframes slideInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}