:root { 
    --vk-gradient: linear-gradient(25deg, #00F 4.47%, #0300FC 13.5%, #0E00F6 21.53%, #2100EC 29.56%, #3C00DD 37.58%, #5E00CB 44.61%, #8800B4 52.63%, #B90099 60.66%, #D2008C 63.67%, #FF8A00 84.75%, #FFB800 104.81%); 
}

body { 
    background-color: #f8f9fe; 
    overflow-x: hidden; 
    font-family: 'Inter', sans-serif; 
    -webkit-font-smoothing: antialiased; 
    text-rendering: optimizeLegibility; 
}

.page-background { 
    position: fixed; 
    inset: 0; 
    z-index: -1; 
    background-image: url('https://cdn.jsdelivr.net/gh/hoamt/vikki-assets/bg-vikki-scaled.jpg'); 
    background-size: cover; 
    background-position: center; 
    opacity: 0.3; 
    transform: translate3d(0,0,0); 
    will-change: transform; 
    pointer-events: none;
}

button, a, select, input, .no-zoom { 
    touch-action: manipulation !important; 
    -webkit-tap-highlight-color: transparent; 
    user-select: none; 
}

.glass-card { 
    background: rgba(255, 255, 255, 0.7); 
    backdrop-filter: blur(25px); 
    -webkit-backdrop-filter: blur(25px); 
    border: 1px solid rgba(255, 255, 255, 0.8); 
    box-shadow: 0 20px 40px -15px rgba(0,0,0,0.05); 
    transition: all 0.4s ease; 
    transform: translate3d(0,0,0); 
}

.glass-card:hover { 
    box-shadow: 0 30px 60px -15px rgba(0,0,0,0.1); 
    background: rgba(255, 255, 255, 0.85); 
    transform: translateY(-5px) translate3d(0,0,0); 
}

.glass-btn-light { 
    background: rgba(255, 255, 255, 0.4); 
    backdrop-filter: blur(20px); 
    -webkit-backdrop-filter: blur(20px); 
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.8), 0 8px 32px 0 rgba(31, 38, 135, 0.05); 
    color: #334155; 
    transition: all 0.3s ease; 
    border: none; 
    transform: translate3d(0,0,0); 
}

.glass-btn-light:hover { 
    background: rgba(255, 255, 255, 0.7); 
    box-shadow: inset 0 0 0 1px #ffffff, 0 8px 32px 0 rgba(31, 38, 135, 0.05); 
}

.btn-brand { 
    background: var(--vk-gradient); 
    color: white; 
    border: none; 
    box-shadow: 0 8px 20px -4px rgba(33, 0, 236, 0.5); 
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1); 
}

.btn-brand:hover { 
    box-shadow: 0 12px 24px -4px rgba(33, 0, 236, 0.6); 
    transform: translateY(-2px); 
}

.btn-brand:active { 
    transform: scale(0.97); 
}

.text-gradient { 
    background: var(--vk-gradient); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
}

.ratio-1 { aspect-ratio: 9/16; } .ratio-2 { aspect-ratio: 2/3; } .ratio-3 { aspect-ratio: 5/8; } 
.ratio-4 { aspect-ratio: 3/4; } .ratio-5 { aspect-ratio: 10/16; } .ratio-6 { aspect-ratio: 11/16; } 

.video-card-inner { 
    position: relative; 
    width: 100%; 
    overflow: hidden; 
    border-radius: 2rem; 
    background: transparent; 
    box-shadow: 0 10px 40px -15px rgba(0,0,0,0.1); 
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1); 
    -webkit-backface-visibility: hidden; 
    backface-visibility: hidden; 
    transform: translate3d(0, 0, 0); 
    isolation: isolate; 
    z-index: 1; 
    will-change: transform;
}

.video-card-inner:hover { 
    box-shadow: 0 35px 70px -20px rgba(0,0,0,0.2); 
    transform: translateY(-10px) scale(1.02); 
    z-index: 10; 
}

.video-card-inner img { 
    transform: translate3d(0,0,0); 
    will-change: transform; 
}

@keyframes float-up { 
    0% { transform: translateY(0) scale(1); opacity: 1; } 
    100% { transform: translateY(-150px) scale(2.5); opacity: 0; } 
}

.floating-heart { 
    position: fixed; 
    color: #ef4444; 
    font-size: 45px; 
    pointer-events: none; 
    animation: float-up 0.8s ease-out forwards; 
    z-index: 999999; 
    filter: drop-shadow(0 0 10px rgba(255,0,0,0.4)); 
    will-change: transform, opacity; 
}

@keyframes slideInUpFeed { 0% { transform: translateY(100%); opacity: 0; } 100% { transform: translateY(0); opacity: 1; } }
@keyframes slideInDownFeed { 0% { transform: translateY(-100%); opacity: 0; } 100% { transform: translateY(0); opacity: 1; } }
.feed-up { animation: slideInUpFeed 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards; will-change: transform; }
.feed-down { animation: slideInDownFeed 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards; will-change: transform; }

.custom-scrollbar::-webkit-scrollbar { height: 6px; }
.custom-scrollbar::-webkit-scrollbar-thumb { background: rgba(0,0,255,0.2); border-radius: 10px; }
.hide-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }
.hide-scrollbar::-webkit-scrollbar { display: none; }

.article-content h3 { color: #0000ff; font-weight: 800; font-size: 1.125rem; margin-top: 1.5rem; margin-bottom: 0.5rem; text-transform: uppercase; }
.article-content p { color: #475569; margin-bottom: 1rem; line-height: 1.6; font-weight: 500; }
.article-content ul { list-style-type: disc; padding-left: 1.25rem; color: #475569; margin-bottom: 1rem; }
.article-content li { margin-bottom: 0.5rem; font-weight: 500; line-height: 1.5; }
.article-content strong { color: #1e293b; font-weight: 800; }
.article-content img { width: 100%; height: auto; border-radius: 1rem; margin: 1.5rem 0; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); }
.article-content .video-wrapper { position: relative; padding-bottom: 56.25%; height: 0; margin: 1.5rem 0; border-radius: 1rem; overflow: hidden; background: #000; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); transform: translateZ(0);}
.article-content .video-wrapper iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }

select.filter-select { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M6 8l4 4 4-4'/%3e%3c/svg%3e"); background-position: right 0.75rem center; background-repeat: no-repeat; background-size: 1em 1em; padding-right: 2.25rem; appearance: none; -webkit-appearance: none; }
select.form-select { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e"); background-position: right 1rem center; background-repeat: no-repeat; background-size: 1.5em 1.5em; padding-right: 2.5rem; appearance: none; -webkit-appearance: none; }