html{scroll-behavior:smooth;}
:root{--bg-color:#111111;--card-bg:#1a1a1a;--border-color:#333333;--primary-blue:#0085ff;--primary-hover:#0074e0;--text-white:#ffffff;--text-grey:#cccccc;--input-bg:#222222;}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:Arial,sans-serif;background-color:var(--bg-color);color:var(--text-white);line-height:1.5;min-height:100vh;}
.container{max-width:600px;margin:0 auto;padding:20px;}
header{padding:0 0 15px 0;display:flex;justify-content:space-between;align-items:center;}
.logo{display:flex;align-items:center;text-decoration:none;font-size:32px;font-weight:700;}
.logo .yt{color:var(--primary-blue);}
.logo .mp3{color:var(--text-white);}
.logo img{height:40px;display:block;}
nav ul{display:flex;list-style:none;gap:20px;}
nav a{text-decoration:none;color:var(--text-white);font-size:16px;transition:0.2s;}
nav a:hover{color:var(--primary-blue);}
main{margin-top:20px;}
.input-container{background-color:var(--input-bg);border:3px solid var(--primary-blue);border-radius:4px;padding:0;display:flex;align-items:center;margin-bottom:40px;height:54px;overflow:hidden;}
.url-input{flex:1;background:transparent;border:none;color:#888;padding:0 5px 0 15px;font-size:16px;outline:none;height:100%;}
.clear-btn{background:transparent;border:none;color:#666;cursor:pointer;padding:0 8px;display:flex;align-items:center;justify-content:center;transition:color 0.1s;height:100%;-webkit-tap-highlight-color:transparent;}
.clear-btn:hover{color:var(--text-white);}
.button-group{display:flex;height:100%;}
.btn{background-color:var(--primary-blue);color:white;border:none;padding:0 25px;height:100%;border-radius:0;font-weight:400;cursor:pointer;transition:0.2s;font-size:16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;-webkit-tap-highlight-color:transparent;}
.btn:hover{background-color:var(--primary-hover);}
.info-section{margin-top:40px;}
.info-section h1{font-size:24px;margin-bottom:20px;font-weight:400;}
.info-section h2{font-size:20px;margin-bottom:20px;margin-top:30px;font-weight:400;}
.info-section h3{font-size:16px;font-weight:500;color:var(--text-white);margin-bottom:10px;}
.info-section p{color:var(--text-grey);margin-bottom:20px;font-size:15px;text-align:justify;}
.info-section ul,.info-section ol{color:var(--text-grey);margin-bottom:20px;padding-left:0;list-style-position:inside;font-size:15px;}
.info-section li{margin-bottom:18px;}
.info-section a{color:var(--text-grey);text-decoration:underline;}
.steps{list-style:decimal inside;padding-left:0;margin-left:0;}
.steps li{margin-bottom:18px;font-size:15px;color:var(--text-grey);line-height:1.6;text-align:justify;}
.skeleton-container{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:4px;padding:20px;}
.skeleton-thumbnail,.skeleton-row{background:#222;background:linear-gradient(110deg,#222 8%,#2a2a2a 18%,#222 33%);background-size:200% 100%;animation:shimmer 1.5s linear infinite;border-radius:4px;width:100%;}
.skeleton-thumbnail{height:250px;margin-bottom:20px;}
.skeleton-row{height:32px;margin-bottom:8px;}
.skeleton-row:last-child{margin-bottom:0;}
@keyframes shimmer{to{background-position:200% 0;}}
#outputContainer{margin-top:20px;margin-bottom:60px;display:none;scroll-margin-top:20px;}
.features-list{margin-top:10px;}
.feature-item{display:flex;align-items:flex-start;gap:15px;margin-bottom:18px;}
.feature-item:last-child{margin-bottom:0;}
.feature-icon{color:var(--text-white);width:36px;height:36px;min-width:36px;display:flex;align-items:center;justify-content:center;margin-top:0;background:var(--input-bg);border:1px solid var(--border-color);border-radius:8px;padding:8px;}
.feature-icon svg{width:100%;height:100%;stroke-width:2.5px;}
.feature-content h3{margin-bottom:5px;}
.feature-content p{font-size:15px;color:var(--text-grey);margin-bottom:0;text-align:justify;}
.faq-list{margin-top:20px;}
.faq-item{border:none;border-bottom:1px solid var(--border-color);margin-bottom:0;overflow:hidden;transition:none;}
.faq-item[open]{border-color:var(--border-color);}
.faq-item:last-child{border-bottom:none;}
.faq-question{list-style:none;padding:18px 0;cursor:pointer;font-size:16px;font-weight:500;color:var(--text-white);display:flex;justify-content:space-between;align-items:center;transition:color 0.2s;margin:0;}.faq-question h3{font-size:inherit;font-weight:inherit;color:inherit;margin:0;display:inline;}
.faq-question::-webkit-details-marker{display:none;}
.faq-question::after{content:'';width:8px;height:8px;border-right:2px solid var(--text-grey);border-bottom:2px solid var(--text-grey);transform:rotate(45deg);transition:0.3s;margin-right:10px;}
details[open] .faq-question::after{transform:rotate(-135deg);margin-top:5px;}.faq-item:hover .faq-question::after{border-color:var(--text-white);}
.faq-answer{padding:0 0 20px 0;font-size:15px;color:var(--text-grey);line-height:1.6;text-align:justify;}
footer{padding:15px 0 0 0;text-align:center;border-top:1px solid var(--border-color);margin-top:40px;}
.footer-links a{color:var(--text-grey);text-decoration:none;margin:0 10px;font-size:14px;}
.legal-page .info-section h1{font-size:20px;margin-bottom:20px;}
.legal-page .info-section h2{font-size:16px;font-weight:500;margin-bottom:10px;}
@media (max-width:600px){.container{padding:10px;}.url-input{min-width:0;}.btn-text{display:none;}.btn{width:60px;padding:0;justify-content:center;}.button-group{margin-left:5px;}nav ul{gap:20px;}}
.error-page{display:flex;justify-content:center;align-items:center;height:100vh;text-align:center;}
.error-page h1{font-size:75px;line-height:1;margin-bottom:10px;color:var(--primary-blue);font-weight:700;}
.error-page h2{font-size:24px;margin-bottom:10px;color:var(--text-white);font-weight:500;}
.error-page p{font-size:18px;color:var(--text-grey);margin-bottom:30px;text-align:justify;}
.error-page .back-home{display:inline-block;text-decoration:none;color:var(--text-white);border:1px solid var(--border-color);padding:10px 25px;border-radius:4px;transition:0.2s;font-size:14px;}
.error-page .back-home:hover{border-color:var(--primary-blue);color:var(--primary-blue);background-color:rgba(0,133,255,0.05);}