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var(--card-border);border-radius:12px;font-size:12px;box-shadow:var(--section-shadow)}.app-footer h4{color:var(--section-text);font-size:13px;margin-bottom:8px}.app-footer a{color:#667eea;text-decoration:none;margin:0 8px;transition:color .2s}.app-footer a:hover{color:#764ba2;text-decoration:underline}@media (max-width: 768px){.header h1{font-size:32px}.header p{font-size:14px}.player{padding:20px}.now-playing-thumb{max-width:150px;height:150px}.results{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.controls{gap:5px}.controls button{padding:8px 12px;font-size:12px}.category-tabs{overflow-x:auto}.content-section{padding:20px}.tab-navigation{gap:5px}.tab-btn{padding:8px 12px;font-size:12px}.queue-item{padding:10px 15px!important;gap:10px!important}.queue-item button{padding:8px 10px!important;font-size:14px!important}}.notice-message{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);color:#fff;padding:12px;border-radius:6px;margin-top:10px;text-align:center;font-size:14px;font-weight:600;animation:fadeIn .25s ease-in-out}.progress-bar:disabled{opacity:.4;cursor:not-allowed}.result-item .queue-add-btn{background:rgba(76,175,80,.12);color:#2e7d32;border:1px solid rgba(76,175,80,.35);flex:.4;padding:8px;border-radius:4px;cursor:pointer;font-weight:700;font-size:16px;transition:all .2s}.result-item .queue-add-btn:hover{background:rgba(76,175,80,.22);border-color:#4caf5099}.favorites-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:15px;border-bottom:2px solid #667eea;padding-bottom:10px}.favorites-header h3{margin:0;border:none;padding:0;font-size:20px;color:#333}.add-all-btn{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;border:none;padding:10px 18px;border-radius:6px;cursor:pointer;font-weight:700;font-size:14px;font-family:Noto Sans KR,sans-serif;transition:transform .2s,opacity .2s;white-space:nowrap}.add-all-btn:hover:not(:disabled){transform:scale(1.04)}.add-all-btn:disabled{opacity:.5;cursor:not-allowed}@media (max-width: 600px){.app-overlay{padding:12px}.header{margin-bottom:24px}.header h1{font-size:26px}.header p{font-size:13px}.player-container{gap:14px}.player{padding:18px 16px;border-radius:14px}.now-playing-thumb{max-width:130px;height:130px;margin-bottom:16px}.now-playing{font-size:16px;min-height:44px}.controls{gap:8px}.controls button{flex:1 1 30%;min-width:0;padding:12px 6px;font-size:12px;border-radius:8px}.controls .play-btn{flex:1 1 100%;order:-1;min-width:0;padding:14px;font-size:16px}.volume-control{gap:8px}.volume-slider{width:100%;max-width:200px}.tab-navigation{display:grid;grid-template-columns:1fr 1fr;gap:8px}.tab-btn{padding:12px 8px;font-size:13px;text-align:center}.content-section{padding:16px 14px;border-radius:14px}.content-section form{flex-direction:column;gap:8px}.content-section button[type=submit]{width:100%;padding:12px}.results{grid-template-columns:1fr;gap:12px}.result-item{flex-direction:row;align-items:center}.result-item .thumb{width:96px;height:72px;flex-shrink:0}.result-item .info{padding:8px 10px}.result-item .actions{flex-direction:column;padding:8px;gap:6px;flex-shrink:0}.result-item .actions button{padding:10px 12px;font-size:14px}.favorites-header{flex-direction:column;align-items:stretch}.add-all-btn{width:100%;text-align:center;padding:12px}.queue-item{padding:10px!important;gap:7px!important;flex-wrap:nowrap!important}.queue-item .index{min-width:30px!important;width:30px!important;height:30px!important;font-size:12px!important}.queue-item .queue-thumb{width:42px!important;height:42px!important}.queue-item .track-info{margin:0 4px!important;min-width:0!important}.queue-item .track-info .title{font-size:13px!important}.queue-item .track-info .uploader{font-size:11px!important}.queue-item button{padding:0!important;width:34px!important;height:34px!important;min-width:34px!important;font-size:15px!important;display:flex!important;align-items:center!important;justify-content:center!important;flex-shrink:0!important;border-radius:8px!important}}.volume-control .fav-toggle-btn{margin-left:16px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:22px;line-height:1;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);border-radius:12px;cursor:pointer;transition:all .2s;flex-shrink:0;padding:0}.volume-control .fav-toggle-btn:hover:not(:disabled){background:rgba(255,255,255,.28);transform:scale(1.08)}.volume-control .fav-toggle-btn:active:not(:disabled){transform:scale(.95)}.volume-control .fav-toggle-btn:disabled{opacity:.45;cursor:not-allowed}