.visually-hidden{
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}.yt-converter-wrapper{
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    width: 100%;
    overflow-x: hidden;
}@media (max-width: 480px){.yt-converter-wrapper{
        padding: 10px;
    }}.yt-converter-container{
    background: #FFFFFF;
    border-radius: 16px;
    padding: 50px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    max-width: 100%;
    box-sizing: border-box;
}.yt-converter-input-section{
    margin-bottom: 30px;
}.input-wrapper{
    position: relative;
    margin-bottom: 24px;
}.yt-video-url{
    width: 100%;
    padding: 18px 55px 18px 20px;
    font-size: 16px;
    border: 2px solid #E5E5E5;
    border-radius: 12px;
    outline: none;
    transition: all 0.3s ease;
    font-family: inherit;
    box-sizing: border-box;
}.yt-video-url:focus{
    border-color: #FF9B0E;
    box-shadow: 0 0 0 3px rgba(255, 155, 14, 0.1);
}.yt-video-url::placeholder{
    color: #999;
}.paste-btn{
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: #FF9B0E;
    border: none;
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}.paste-btn svg{
    width: 18px;
    height: 18px;
    fill: #FFFFFF;
}.paste-btn:hover{
    background: #e88a00;
    transform: translateY(-50%) scale(1.05);
}.paste-btn:active{
    transform: translateY(-50%) scale(0.95);
}.quality-selector{
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}.quality-btn{
    flex: 1;
    min-width: 70px;
    min-height: 44px;
    padding: 12px 10px;
    background: #F5F5F5;
    border: 2px solid #E5E5E5;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    color: #606060;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    word-break: break-word;
}.quality-btn:hover{
    background: #FFF5E6;
    border-color: #FF9B0E;
    color: #FF9B0E;
}.quality-btn.active{
    background: linear-gradient(135deg, #FF9B0E 0%, #FFA726 100%);
    border-color: #FF9B0E;
    color: #FFFFFF;
}.convert-btn{
    width: 100%;
    padding: 18px 32px;
    background: linear-gradient(135deg, #FF9B0E 0%, #FFA726 100%);
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    color: #FFFFFF;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(255, 155, 14, 0.3);
}.convert-btn svg{
    width: 20px;
    height: 20px;
    fill: #FFFFFF;
}.convert-btn:hover{
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 155, 14, 0.4);
}.convert-btn:active{
    transform: translateY(0);
}.error-message{
    display: none;
    padding: 16px 20px;
    background: #FFF0F0;
    border: 2px solid #FF4444;
    border-radius: 10px;
    color: #CC0000;
    font-size: 15px;
    margin-top: 20px;
    animation: slideDown 0.3s ease-out;
}.error-message.show{
    display: block;
}@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}.loading-state{
    display: none;
    text-align: center;
    padding: 40px 20px;
    margin-top: 30px;
}.loading-state.show{
    display: block;
    animation: fadeIn 0.3s ease-out;
}@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}.spinner-wrapper{
    margin-bottom: 20px;
}.spinner{
    width: 50px;
    height: 50px;
    border: 4px solid #F5F5F5;
    border-top-color: #FF9B0E;
    border-radius: 50%;
    margin: 0 auto;
    animation: spin 0.8s linear infinite;
}@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}.loading-text{
    font-size: 18px;
    font-weight: 600;
    color: #0F0F0F;
    margin-bottom: 8px;
}.loading-subtext{
    font-size: 14px;
    color: #606060;
}.result-section{
    display: none;
    margin-top: 30px;
    padding: 24px;
    background: linear-gradient(135deg, #F8F9FA 0%, #FFFFFF 100%);
    border: 2px solid #E5E5E5;
    border-radius: 16px;
    animation: slideUp 0.4s ease-out;
}.result-section.show{
    display: block;
}@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}.video-preview{
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    padding: 20px;
    background: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}.video-preview:hover{
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}.video-thumbnail{
    width: 180px;
    height: 101px;
    object-fit: cover;
    border-radius: 10px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}.video-info{
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}.video-title{
    font-size: 18px;
    font-weight: 700;
    color: #0F0F0F;
    margin: 0 0 12px 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}.video-meta{
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}.meta-item{
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #606060;
    padding: 6px 12px;
    background: #F5F5F5;
    border-radius: 8px;
}.meta-item svg{
    width: 16px;
    height: 16px;
    fill: #FF9B0E;
    flex-shrink: 0;
}.meta-item span{
    font-weight: 600;
}.turnstile-verification.show{
    display: block;
}@keyframes verificationSlide {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}.download-btn{
    width: 100%;
    padding: 18px 32px;
    background: linear-gradient(135deg, #4CAF50 0%, #45A049 100%);
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    color: #FFFFFF;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}.download-btn svg{
    width: 24px;
    height: 24px;
    fill: #FFFFFF;
}.download-btn:hover:not(:disabled){
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
    background: linear-gradient(135deg, #45A049 0%, #3D8B40 100%);
}.download-btn:active:not(:disabled){
    transform: translateY(0);
}.download-btn:disabled,.download-btn.disabled{
    background: linear-gradient(135deg, #9E9E9E 0%, #757575 100%);
    cursor: not-allowed;
    opacity: 0.7;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}.download-btn:disabled:hover,.download-btn.disabled:hover{
    transform: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}.download-btn.verified{
    animation: verifiedPulse 0.6s ease-out;
}@keyframes verifiedPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}.feature-icon{
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}.feature-icon svg{
    width: 30px;
    height: 30px;
    fill: #FFFFFF;
}.how-to-section{
    max-width: 1000px;
    margin: 60px auto;
    padding: 20px;
}.step-card{
    background: #FFFFFF;
    padding: 30px;
    border-radius: 16px;
    border: 2px solid #E5E5E5;
    transition: all 0.3s ease;
}.step-card:hover{
    border-color: #FF9B0E;
    box-shadow: 0 8px 24px rgba(255, 155, 14, 0.15);
    transform: translateY(-5px);
}.step-number{
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #FF9B0E, #FFA726);
    color: #FFFFFF;
    font-size: 24px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}.step-content h3{
    font-size: 20px;
    font-weight: 700;
    color: #0F0F0F;
    margin-bottom: 10px;
}.step-content p{
    font-size: 15px;
    color: #606060;
    line-height: 1.6;
}@media (max-width: 768px){.yt-converter-container{
        padding: 20px;
        margin: 0;
    }.quality-selector{
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        width: 100%;
        justify-content: center;
    }.quality-btn{
        flex: 0 1 auto;
        min-width: unset;
        min-height: 44px;
        padding: 10px 14px;
        font-size: 13px;
        white-space: nowrap;
    }.convert-btn{
        font-size: 16px;
        padding: 16px 24px;
    }.video-preview{
        flex-direction: column;
    }.video-thumbnail{
        width: 100%;
        height: auto;
        max-height: 200px;
    }.video-title{
        font-size: 16px;
    }.meta-item{
        font-size: 13px;
    }}@media (max-width: 480px){.yt-video-url{
        padding: 14px 48px 14px 16px;
        font-size: 14px;
    }.paste-btn{
        padding: 8px;
        right: 6px;
    }.paste-btn svg{
        width: 16px;
        height: 16px;
    }.quality-selector{
        display: flex !important;
        flex-wrap: wrap !important;
        gap: 6px !important;
        width: 100% !important;
        justify-content: center !important;
    }.quality-btn{
        flex: 0 1 auto !important;
        padding: 8px 12px !important;
        font-size: 11px !important;
        text-align: center !important;
        white-space: nowrap !important;
        box-sizing: border-box !important;
        border-radius: 8px !important;
    }.convert-btn,.download-btn{
        font-size: 16px;
        padding: 14px 20px;
    }.loading-text{
        font-size: 16px;
    }.video-meta{
        gap: 8px;
    }.meta-item{
        padding: 4px 8px;
        font-size: 12px;
    }}.yt-converter-wrapper[data-format="mp3"] .convert-btn{
    background: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%);
}.yt-converter-wrapper[data-format="mp3"] .convert-btn:hover{
    background: linear-gradient(135deg, #7B1FA2 0%, #6A1B9A 100%);
}.yt-converter-wrapper[data-format="mp3"] .quality-btn.active{
    background: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%);
}.yt-converter-wrapper[data-format="mp3"] .download-btn:not(:disabled){
    background: linear-gradient(135deg, #9C27B0 0%, #7B1FA2 100%);
}.yt-converter-wrapper[data-format="mp3"] .download-btn:not(:disabled):hover{
    background: linear-gradient(135deg, #7B1FA2 0%, #6A1B9A 100%);
}.yt-converter-wrapper[data-format="mp3"] .convert-btn svg{
    fill: #ffffff;
}.yt-converter-wrapper.shorts-mode .yt-video-url:focus{
    border-color: #E91E63;
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}.yt-converter-wrapper.shorts-mode .paste-btn:hover{
    background: #E91E63;
}.yt-converter-wrapper.shorts-mode .quality-btn:hover{
    background: #FCE4EC;
    border-color: #E91E63;
    color: #E91E63;
}.yt-converter-wrapper.shorts-mode .quality-btn.active{
    background: linear-gradient(135deg, #E91E63 0%, #C2185B 100%);
    border-color: #E91E63;
}.yt-converter-wrapper.shorts-mode .convert-btn{
    background: linear-gradient(135deg, #E91E63 0%, #C2185B 100%);
    box-shadow: 0 4px 12px rgba(233, 30, 99, 0.3);
}.yt-converter-wrapper.shorts-mode .convert-btn:hover{
    box-shadow: 0 6px 20px rgba(233, 30, 99, 0.4);
}.yt-converter-wrapper.shorts-mode .download-btn:not(:disabled){
    background: linear-gradient(135deg, #E91E63 0%, #C2185B 100%);
    box-shadow: 0 4px 12px rgba(233, 30, 99, 0.3);
}.yt-converter-wrapper.shorts-mode .download-btn:not(:disabled):hover{
    background: linear-gradient(135deg, #C2185B 0%, #AD1457 100%);
    box-shadow: 0 6px 20px rgba(233, 30, 99, 0.4);
}.yt-converter-wrapper.shorts-mode .meta-item svg{
    fill: #E91E63;
}.yt-converter-wrapper.shorts-mode .spinner{
    border-top-color: #E91E63;
}.yt-converter-wrapper.playlist-mode .yt-video-url:focus{
    border-color: #009688;
    box-shadow: 0 0 0 3px rgba(0, 150, 136, 0.1);
}.yt-converter-wrapper.playlist-mode .paste-btn:hover{
    background: #009688;
}.yt-converter-wrapper.playlist-mode .quality-btn:hover{
    background: #E0F2F1;
    border-color: #009688;
    color: #009688;
}.yt-converter-wrapper.playlist-mode .quality-btn.active{
    background: linear-gradient(135deg, #009688 0%, #00796B 100%);
    border-color: #009688;
}.yt-converter-wrapper.playlist-mode .convert-btn{
    background: linear-gradient(135deg, #009688 0%, #00796B 100%);
    box-shadow: 0 4px 12px rgba(0, 150, 136, 0.3);
}.yt-converter-wrapper.playlist-mode .convert-btn:hover{
    box-shadow: 0 6px 20px rgba(0, 150, 136, 0.4);
}.yt-converter-wrapper.playlist-mode .download-btn:not(:disabled){
    background: linear-gradient(135deg, #009688 0%, #00796B 100%);
    box-shadow: 0 4px 12px rgba(0, 150, 136, 0.3);
}.yt-converter-wrapper.playlist-mode .download-btn:not(:disabled):hover{
    background: linear-gradient(135deg, #00796B 0%, #00695C 100%);
    box-shadow: 0 6px 20px rgba(0, 150, 136, 0.4);
}.yt-converter-wrapper.playlist-mode .meta-item svg{
    fill: #009688;
}.yt-converter-wrapper.playlist-mode .spinner{
    border-top-color: #009688;
}.yt-converter-wrapper[data-mode="4k"] .yt-video-url:focus{
    border-color: #2196F3;
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}.yt-converter-wrapper[data-mode="4k"] .paste-btn:hover{
    background: #2196F3;
}.yt-converter-wrapper[data-mode="4k"] .quality-btn:hover{
    background: #E3F2FD;
    border-color: #2196F3;
    color: #2196F3;
}.yt-converter-wrapper[data-mode="4k"] .quality-btn.active{
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    border-color: #2196F3;
}.yt-converter-wrapper[data-mode="4k"] .convert-btn{
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}.yt-converter-wrapper[data-mode="4k"] .convert-btn:hover{
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
}.yt-converter-wrapper[data-mode="4k"] .download-btn:not(:disabled){
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
}.yt-converter-wrapper[data-mode="4k"] .download-btn:not(:disabled):hover{
    background: linear-gradient(135deg, #1976D2 0%, #1565C0 100%);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
}.yt-converter-wrapper[data-mode="4k"] .meta-item svg{
    fill: #2196F3;
}.yt-converter-wrapper[data-mode="4k"] .spinner{
    border-top-color: #2196F3;
}.yt-converter-wrapper[data-mode="4k"] #yt-video-quality span::after{
    content: " Ultra";
    font-size: 10px;
    color: #2196F3;
    font-weight: 700;
}