@font-face{font-family:Goldman;src:url('../font/Goldman-Regular.ttf') format('truetype');font-weight:400;font-style:normal}:root{--primary-white:#ffffff;--primary-blue:#0039a6;--primary-red:#d52b1e;--light-blue:#4a7bc8;--dark-blue:#002868;--light-red:#e85d54;--dark-red:#b32317;--gray-100:#f8f9fa;--gray-200:#e9ecef;--gray-300:#dee2e6;--gray-700:#495057;--gray-900:#212529;--transition:all 0.3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--gray-900);background-color:var(--gray-100)}.container{max-width:1200px;margin:0 auto;padding:0 20px}@media (max-width:768px){.container{padding:0 15px}}@media (max-width:480px){.container{padding:0 10px}}.main-header{background:0 0;color:var(--primary-white);padding:0;position:absolute;top:0;left:0;right:0;width:100%;z-index:1000;display:none}.main-header.active{display:block}.header-wrapper{background:0 0;padding:1.5rem 0}.header-content{max-width:1400px;margin:0 auto;padding:0 3rem;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:1rem;text-decoration:none;color:var(--primary-white);transition:var(--transition)}.logo:hover{transform:translateY(-2px)}.logo img{width:60px;height:60px;filter:drop-shadow(0 2px 4px rgba(0, 0, 0, .3))}.logo h1{font-family:Goldman,sans-serif;font-size:1.8rem;font-weight:400;letter-spacing:0;margin:0;text-shadow:0 2px 4px rgba(0,0,0,.3)}.sobre-nos-btn{background:var(--primary-white);color:var(--primary-blue);padding:1rem 2.5rem;border-radius:50px;text-decoration:none;font-weight:700;font-size:1.1rem;transition:var(--transition);box-shadow:0 4px 15px rgba(0,0,0,.2)}.sobre-nos-btn:hover{background:var(--gray-100);transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.3)}.menu-toggle{position:fixed;top:2rem;right:2rem;width:70px;height:70px;border-radius:50%;background:linear-gradient(135deg,var(--primary-blue) 0,var(--dark-red) 100%);border:none;cursor:pointer;z-index:9999;box-shadow:0 4px 20px rgba(0,0,0,.3);transition:var(--transition);display:flex;align-items:center;justify-content:center;padding:0;opacity:0;transform:translateX(150px) rotate(-180deg)}.menu-toggle.show{animation:.6s forwards slideRotateIn}@keyframes slideRotateIn{0%{opacity:0;transform:translateX(150px) rotate(-180deg)}100%{opacity:1;transform:translateX(0) rotate(0)}}.menu-toggle:hover{transform:scale(1.1) rotate(0);box-shadow:0 6px 25px rgba(0,0,0,.4)}.menu-toggle img{width:50px;height:50px;filter:drop-shadow(0 2px 4px rgba(0, 0, 0, .2))}.menu-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,var(--primary-blue) 0,var(--dark-blue) 100%);z-index:9998;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}.menu-overlay.active{opacity:1;visibility:visible}.menu-close{position:absolute;top:2rem;right:2rem;width:60px;height:60px;border-radius:50%;background:rgba(255,255,255,.1);border:2px solid var(--primary-white);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);backdrop-filter:blur(10px)}.menu-close:hover{background:rgba(255,255,255,.2);transform:rotate(90deg)}.menu-nav{display:flex;flex-direction:column;align-items:center;gap:2rem}.menu-link{color:var(--primary-white);text-decoration:none;font-size:3rem;font-weight:700;transition:var(--transition);opacity:0;transform:translateY(20px);animation:.5s forwards fadeInUp;text-shadow:0 2px 10px rgba(0,0,0,.3)}.menu-overlay.active .menu-link{opacity:1;transform:translateY(0)}.menu-link:first-child{animation-delay:.1s}.menu-link:nth-child(2){animation-delay:.2s}.menu-link:nth-child(3){animation-delay:.3s}.menu-link:nth-child(4){animation-delay:.4s}.menu-link:hover{color:var(--primary-red);transform:scale(1.1)}@keyframes fadeInUp{to{opacity:1;transform:translateY(0)}}.lessons-hero{background:linear-gradient(135deg,var(--primary-blue) 0,var(--dark-blue) 100%);color:var(--primary-white);padding:10rem 0 4rem;margin-bottom:4rem;width:100%}.lessons-hero h2{font-size:2.5rem;margin-bottom:1rem;text-align:center}.lessons-hero .welcome-text{font-size:1.2rem;line-height:1.8;max-width:800px;margin:0 auto;text-align:center}@media (max-width:480px){.lessons-hero{padding:8rem 0 3rem}.lessons-hero h2{font-size:2rem}.lessons-hero .welcome-text{font-size:1rem;padding:0 1rem}}@media (max-width:768px){.header-content{padding:0 1.5rem;flex-wrap:nowrap;gap:1rem}.logo{flex-shrink:0}.logo svg{width:50px;height:50px}.logo h1{font-size:1.3rem}.sobre-nos-btn{padding:.7rem 1.2rem;font-size:.95rem;white-space:nowrap;flex-shrink:0}.menu-toggle{width:60px;height:60px;top:1.5rem;right:1.5rem}.menu-toggle svg{width:35px;height:35px}.menu-link{font-size:2.5rem}.menu-close{width:50px;height:50px;top:1.5rem;right:1.5rem}}@media (max-width:480px){.header-content{padding:0 1rem;flex-wrap:nowrap;gap:.5rem}.logo{flex-shrink:0;gap:.5rem}.logo svg{width:40px;height:40px}.logo h1{font-size:1.1rem}.sobre-nos-btn{padding:.5rem 1rem;font-size:.85rem;white-space:nowrap;flex-shrink:0}.menu-toggle{width:55px;height:55px;top:1rem;right:1rem}.menu-toggle svg{width:30px;height:30px}.menu-link{font-size:2rem;gap:1.5rem}.menu-close{width:45px;height:45px;top:1rem;right:1rem}}@media (max-width:360px){.logo h1{display:none}.logo{gap:0}}#main-content{min-height:calc(100vh - 200px)}#main-content .container:first-child{padding-top:2rem}.popular-bands-carousel{background:linear-gradient(135deg,var(--primary-blue) 0,var(--dark-blue) 100%);padding:10rem 0 3rem;margin:0 0 3rem;position:relative}.carousel-container{position:relative;max-width:100vw;overflow:hidden}.carousel-track{display:flex;gap:2rem;overflow-x:auto;scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none;padding:2rem 3rem}.carousel-track::-webkit-scrollbar{display:none}.carousel-card{flex:0 0 300px;background:var(--primary-white);border-radius:15px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,.2);transition:var(--transition);cursor:pointer}.carousel-card:hover{transform:translateY(-10px) scale(1.05);box-shadow:0 12px 30px rgba(0,0,0,.3)}.carousel-card img{width:100%;height:300px;object-fit:cover}.carousel-card-content{padding:1.5rem;background:var(--primary-white)}.carousel-card h3{color:var(--primary-blue);margin-bottom:.5rem;font-size:1.3rem}.carousel-card .text-muted{color:var(--gray-700);font-size:1rem}.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.9);border:none;width:50px;height:50px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);z-index:10;box-shadow:0 4px 15px rgba(0,0,0,.2)}.carousel-btn:hover{background:var(--primary-white);transform:translateY(-50%) scale(1.1)}.carousel-btn svg{stroke:var(--primary-blue)}.carousel-prev{left:1rem}.carousel-next{right:1rem}@media (max-width:768px){.carousel-track{padding:1.5rem 1rem;gap:1rem}.carousel-card{flex:0 0 250px}.carousel-card img{height:250px}.carousel-btn{width:40px;height:40px}.carousel-prev{left:.5rem}.carousel-next{right:.5rem}}@media (max-width:480px){.popular-bands-carousel{padding:8rem 0 2rem}.carousel-track{padding:1rem .5rem}.carousel-card{flex:0 0 200px}.carousel-card img{height:200px}.carousel-card-content{padding:1rem}.carousel-card h3{font-size:1.1rem}}.home-hero{background:linear-gradient(135deg,var(--primary-red) 0,var(--dark-red) 100%);color:var(--primary-white);padding:10rem 2rem;text-align:center;border-radius:15px;margin-bottom:3rem}.home-hero h2{font-size:2.5rem;margin-bottom:1rem}.home-hero p{font-size:1.2rem;max-width:600px;margin:0 auto}.section{margin-bottom:3rem}.section h2{color:var(--primary-blue);margin-bottom:1.5rem;font-size:2rem;border-bottom:3px solid var(--primary-red);padding-bottom:.5rem}.bands-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:2rem}.band-card{background:var(--primary-white);border-radius:10px;overflow:hidden;box-shadow:0 4px 6px rgba(0,0,0,.1);transition:var(--transition);cursor:pointer}.band-card:hover{transform:translateY(-5px);box-shadow:0 8px 15px rgba(0,0,0,.2)}.band-card img{width:100%;height:200px;object-fit:cover}.band-card-content{padding:1.5rem}.band-card h3{color:var(--primary-blue);margin-bottom:.5rem}.band-card p{color:var(--gray-700);font-size:.9rem}.alphabet-nav{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem;justify-content:center}.alphabet-btn{background:var(--primary-white);border:2px solid var(--primary-blue);color:var(--primary-blue);padding:.5rem 1rem;border-radius:5px;cursor:pointer;font-weight:600;transition:var(--transition)}.alphabet-btn.active,.alphabet-btn:hover{background:var(--primary-blue);color:var(--primary-white)}.pagination-controls{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:2rem}.pagination-btn{background:var(--primary-white);border:2px solid var(--primary-blue);color:var(--primary-blue);padding:.75rem 1.5rem;border-radius:8px;cursor:pointer;font-weight:600;font-size:1rem;transition:var(--transition)}.pagination-btn:hover:not(:disabled){background:var(--primary-blue);color:var(--primary-white)}.pagination-btn:disabled{opacity:.3;cursor:not-allowed;border-color:var(--gray-300);color:var(--gray-500)}.genre-list{display:flex;flex-wrap:wrap;gap:1rem}.genre-tag{background:linear-gradient(135deg,var(--light-blue) 0,var(--primary-blue) 100%);color:var(--primary-white);padding:.4rem 1rem;border-radius:15px;text-decoration:none;font-weight:500;font-size:.8rem;transition:var(--transition);display:inline-block;cursor:pointer}.genre-tag.active{background:var(--primary-red);transform:scale(1.05)}.genre-tag:hover{transform:scale(1.05);box-shadow:0 4px 10px rgba(0,57,166,.3)}.band-header{background:var(--primary-white);border-radius:15px;overflow:hidden;margin-bottom:3rem;box-shadow:0 4px 15px rgba(0,0,0,.1)}.band-photo{width:100%;max-height:400px;object-fit:cover}.band-info{padding:2rem}.band-name{color:var(--primary-blue);font-size:2.5rem;margin-bottom:1rem}.band-details{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem}.band-detail-item{background:var(--gray-100);padding:1rem;border-radius:8px;border-left:4px solid var(--primary-red)}.band-detail-item strong{color:var(--primary-blue);display:block;margin-bottom:.5rem}.genre-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}.genre-badge{background:var(--primary-blue);color:var(--primary-white);padding:.25rem .6rem;border-radius:12px;font-size:.75rem;font-weight:500}.albums-section{margin-top:3rem}.albums-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1.5rem;margin-top:2rem}.album-grid-item{cursor:pointer;transition:var(--transition);background:var(--primary-white);border-radius:10px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.1)}.album-grid-item:hover{transform:translateY(-8px);box-shadow:0 8px 20px rgba(0,0,0,.15)}.album-grid-cover{width:100%;aspect-ratio:1;object-fit:cover}.album-grid-title{padding:1rem;font-size:.9rem;color:var(--primary-blue);margin:0;text-align:center}.album-grid-year{padding:0 1rem 1rem;margin:0;text-align:center;color:var(--gray-600);font-size:.85rem}.breadcrumb{margin-bottom:2rem;color:var(--gray-600);font-size:.9rem}.breadcrumb a{color:var(--primary-blue);text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.album-detail-header{display:flex;gap:2rem;margin-bottom:3rem;background:var(--primary-white);border-radius:15px;padding:2rem;box-shadow:0 4px 15px rgba(0,0,0,.1)}.album-detail-cover{width:300px;height:300px;object-fit:cover;border-radius:10px;box-shadow:0 4px 10px rgba(0,0,0,.2);flex-shrink:0}.album-detail-info{flex:1}.album-detail-info h1{color:var(--primary-blue);margin-bottom:.5rem}.album-meta-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin:1.5rem 0;color:var(--gray-700)}.album-card{background:var(--primary-white);border-radius:10px;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 6px rgba(0,0,0,.1)}.songs-list{list-style:none}.song-item{background:var(--gray-100);padding:1rem;margin-bottom:.5rem;border-radius:8px;cursor:pointer;transition:var(--transition);border-left:4px solid var(--primary-red)}.song-item:hover{background:var(--gray-200);transform:translateX(5px)}.song-page{background:var(--primary-white);border-radius:15px;padding:2rem;box-shadow:0 4px 15px rgba(0,0,0,.1)}.song-header{padding-bottom:1.5rem;margin-bottom:2rem}.song-title{color:var(--primary-blue);font-size:2.5rem;margin-bottom:1rem}.song-meta{display:flex;flex-wrap:wrap;gap:1.5rem;color:var(--gray-700);margin-top:1rem}.song-meta-item strong{color:var(--primary-blue)}.youtube-link{display:inline-block;background:var(--primary-red);color:var(--primary-white);padding:.8rem 1.5rem;border-radius:25px;text-decoration:none;font-weight:600;margin-top:1rem;transition:var(--transition)}.youtube-link:hover{background:var(--dark-red);transform:scale(1.05)}.youtube-embed-container{margin:2rem 0;border-radius:15px;overflow:hidden;box-shadow:0 8px 20px rgba(0,0,0,.2);background:var(--gray-900)}.youtube-embed-container iframe{display:block;max-width:100%;border-radius:15px}.language-toggle{display:none;justify-content:center;gap:1rem;margin-bottom:2rem}.lang-btn{background:var(--primary-white);border:2px solid var(--primary-blue);color:var(--primary-blue);padding:.8rem 2rem;border-radius:25px;cursor:pointer;font-weight:600;transition:var(--transition)}.lang-btn.active{background:var(--primary-blue);color:var(--primary-white)}.lyrics-container{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-bottom:3rem}.lyrics-column{background:var(--gray-100);padding:2rem;border-radius:10px;border-top:4px solid var(--primary-blue)}.lyrics-column.russian{border-top-color:var(--primary-blue)}.lyrics-column.portuguese{border-top-color:var(--primary-red)}.lyrics-column h3{color:var(--primary-blue);margin-bottom:1.5rem;font-size:1.5rem}.lyrics-text{white-space:pre-line;line-height:1.8;font-size:1.05rem}.cultural-section,.lesson-section{background:var(--gray-100);padding:2rem;border-radius:10px;margin-bottom:2rem}.cultural-section h3,.lesson-section h3{color:var(--primary-red);margin-bottom:1rem;font-size:1.8rem}.cultural-text{white-space:pre-line;line-height:1.8}.vocabulary-table{width:100%;border-collapse:collapse;margin-top:1rem}.vocabulary-table th{background:var(--primary-blue);color:var(--primary-white);padding:1rem;text-align:left}.vocabulary-table td{padding:.8rem 1rem;border-bottom:1px solid var(--gray-300)}.vocabulary-table tr:hover{background:var(--gray-200)}.grammar-text{white-space:pre-line;line-height:1.8;margin-top:1rem}.grammar-section-title{background:linear-gradient(135deg,var(--primary-blue) 0,var(--dark-blue) 100%);color:var(--primary-white);padding:1rem 1.5rem;border-radius:8px;font-size:1.2rem;font-weight:700;margin:2rem 0 1rem;box-shadow:0 2px 8px rgba(0,57,166,.2)}.grammar-subsection{background:var(--gray-100);padding:.8rem 1.2rem;border-left:4px solid var(--primary-red);margin:1.5rem 0 1rem;font-size:1.1rem;font-weight:600;color:var(--primary-blue);border-radius:0 5px 5px 0}.grammar-bullet{background:var(--gray-100);padding:.5rem 1rem;margin:.25rem 0;border-left:3px solid var(--light-blue);border-radius:0 3px 3px 0}.grammar-bullet strong{color:var(--primary-blue)}.album-songs-section{background:var(--gray-100);padding:2rem;border-radius:10px;margin-top:2rem}.album-songs-section h3{color:var(--primary-blue);margin-bottom:1.5rem;font-size:1.5rem}.album-songs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.album-song-card{background:var(--primary-white);border:2px solid var(--gray-300);border-radius:8px;padding:1rem;display:flex;align-items:center;gap:1rem;cursor:pointer;transition:var(--transition)}.album-song-card:hover{border-color:var(--primary-blue);background:linear-gradient(135deg,rgba(74,123,200,.1) 0,rgba(0,57,166,.05) 100%);transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,57,166,.15)}.album-song-number{background:var(--primary-blue);color:var(--primary-white);width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;flex-shrink:0}.album-song-info{flex:1;min-width:0}.album-song-title{font-weight:600;color:var(--gray-900);font-size:1.05rem;margin-bottom:.25rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.album-song-title-en{color:var(--gray-700);font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media (max-width:768px){.album-songs-grid{grid-template-columns:1fr}.album-songs-section{padding:1.5rem}}#footer{background:linear-gradient(135deg,var(--dark-blue) 0,var(--primary-blue) 100%);color:var(--primary-white);padding:3rem 0 1rem;margin-top:4rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-section h3{margin-bottom:1rem;color:var(--primary-white)}.footer-section ul{list-style:none}.footer-section a{color:var(--primary-white);text-decoration:none;transition:var(--transition)}.footer-section a:hover{color:var(--light-red)}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1)}@media (max-width:1024px){.albums-grid{grid-template-columns:repeat(4,1fr);gap:1.2rem}.album-detail-header{flex-direction:column}.album-detail-cover{width:100%;height:auto;max-width:400px;margin:0 auto}}@media (max-width:768px){.albums-grid{grid-template-columns:repeat(2,1fr);gap:1rem}.logo svg{width:35px;height:35px}.logo h1{font-size:1.2rem}#header nav ul{gap:1rem;font-size:.9rem}.home-hero h2{font-size:1.8rem}.bands-grid{grid-template-columns:repeat(2,1fr);gap:1rem}.album-detail-header{flex-direction:column}.album-detail-cover{width:100%;height:auto}.youtube-embed-container iframe{height:250px}.song-page{padding:1.5rem;border-radius:10px}.cultural-section,.lesson-section{padding:1.5rem;border-radius:8px;margin-bottom:1.5rem}.language-toggle{display:flex}.lyrics-container{grid-template-columns:1fr}.lyrics-column{padding:1.5rem;border-radius:8px;display:none}.lyrics-column.active{display:block}.vocabulary-table{font-size:.8rem;display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.vocabulary-table thead{display:none}.vocabulary-table tbody,.vocabulary-table td,.vocabulary-table tr{display:block}.vocabulary-table tr{margin-bottom:1rem;background:var(--primary-white);border:1px solid var(--gray-300);border-radius:8px;padding:.8rem}.vocabulary-table td{text-align:left;padding:.4rem 0;border:none}.vocabulary-table td:before{content:attr(data-label);font-weight:700;color:var(--primary-blue);display:block;margin-bottom:.2rem;font-size:.75rem;text-transform:uppercase}}@media (max-width:480px){.logo h1{font-size:1rem}.logo svg{width:30px;height:30px}#header nav ul{flex-wrap:wrap;gap:.5rem;justify-content:center;font-size:.85rem}#header nav li a{padding:.4rem .8rem}.alphabet-nav{gap:.2rem}.alphabet-btn{padding:.3rem .6rem;font-size:.85rem}.song-title{font-size:1.6rem}.cultural-section,.exercise-item,.lesson-section,.lyrics-column,.song-page{padding:1rem}}.text-center{text-align:center}.mt-1{margin-top:1rem}.mt-2{margin-top:2rem}.mt-3{margin-top:3rem}.mb-1{margin-bottom:1rem}.mb-2{margin-bottom:2rem}.mb-3{margin-bottom:3rem}.btn{display:inline-block;padding:.8rem 1.5rem;border-radius:5px;text-decoration:none;font-weight:600;transition:var(--transition);cursor:pointer;border:none}.btn-primary{background:var(--primary-blue);color:var(--primary-white)}.btn-primary:hover{background:var(--dark-blue)}.btn-secondary{background:var(--primary-red);color:var(--primary-white)}.btn-secondary:hover{background:var(--dark-red)}.random-song-section{text-align:center;margin:3rem 0}.random-song-btn{background:linear-gradient(135deg,var(--primary-red) 0,var(--dark-red) 100%);color:var(--primary-white);border:none;border-radius:50%;width:200px;height:200px;padding:2rem;font-size:1.5rem;font-weight:700;cursor:pointer;transition:.3s;box-shadow:0 8px 25px rgba(213,43,30,.4);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;position:relative;overflow:hidden}.random-song-btn::before{content:'';position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(255,255,255,.2);transform:translate(-50%,-50%);transition:width .6s,height .6s}.random-song-btn:hover::before{width:300px;height:300px}.random-song-btn:hover{transform:translateY(-5px) scale(1.05);box-shadow:0 12px 35px rgba(213,43,30,.6)}.random-song-btn:active{transform:translateY(-2px) scale(1.02)}.random-song-btn svg{animation:2s ease-in-out infinite shuffle;position:relative;z-index:1}.random-song-btn span{position:relative;z-index:1}.random-song-subtitle{font-size:.9rem;font-weight:400;opacity:.9;position:relative;z-index:1}@keyframes shuffle{0%,100%{transform:rotate(0)}25%{transform:rotate(-10deg)}75%{transform:rotate(10deg)}}@media (max-width:768px){.random-song-btn{width:160px;height:160px;padding:1.5rem;font-size:1.1rem}.random-song-btn svg{width:30px;height:30px}}@media (max-width:480px){.random-song-btn{width:140px;height:140px;padding:1.2rem;font-size:.95rem}.random-song-subtitle{font-size:.75rem}}.exercise-item{background:var(--primary-white);padding:1.5rem;margin-bottom:1.5rem;border-radius:10px;border:2px solid var(--gray-300)}.exercise-item input[type=text]{font-size:1rem;font-family:inherit}.exercise-item button{transition:var(--transition)}.exercise-item button:not(.option-btn):hover{background:var(--dark-blue)!important;transform:translateY(-2px)}.option-btn:hover{background:var(--light-blue)!important;color:#fff!important;transform:scale(1.05);border-color:var(--primary-blue)!important}.draggable-item{transition:.2s;user-select:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;touch-action:none}.draggable-item:hover{transform:scale(1.05);box-shadow:0 4px 8px rgba(0,0,0,.2)}.draggable-item.dragging{opacity:.5;z-index:1000;position:relative}.draggable-item.selected{background:var(--primary-blue)!important;transform:scale(1.08);box-shadow:0 0 0 3px rgba(74,144,217,.4)}.drop-zone{transition:.3s;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;min-height:50px;position:relative}.drop-zone:hover{border-color:var(--primary-blue)!important}.drop-zone.highlight{background:rgba(74,144,217,.2)!important;border-color:var(--primary-blue)!important;border-width:3px!important;transform:scale(1.02)}.drop-zone.has-item{background:rgba(74,144,217,.1)}@media (max-width:768px){.draggable-item{font-size:1.2rem;padding:1rem!important;min-height:55px;display:flex;align-items:center;justify-content:center;margin:.5rem 0}.drop-zone{min-height:70px;border-width:3px!important;font-size:1.1rem;padding:.75rem!important}.drop-zone.highlight{background:rgba(74,144,217,.3)!important;animation:1s infinite pulse}.exercise-item[data-index]>div:first-of-type{margin-bottom:1.5rem}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.03)}}}.floating-nav-btn{position:fixed;top:50%;transform:translateY(-50%);background:var(--primary-blue);color:#fff;border:none;padding:1rem 1.5rem;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;transition:.3s;z-index:999;box-shadow:0 4px 12px rgba(0,57,166,.3);writing-mode:vertical-rl;text-orientation:mixed;text-decoration:none}.floating-nav-btn.prev-btn{right:1rem;border-radius:8px 8px 0 0}.floating-nav-btn.next-btn{right:1rem;border-radius:0 0 8px 8px;margin-top:8rem}.floating-nav-btn:hover{background:var(--dark-blue);transform:translateY(-50%) scale(1.05);box-shadow:0 6px 16px rgba(0,57,166,.4)}.floating-nav-btn:active{transform:translateY(-50%) scale(.95)}@media (max-width:1024px){.floating-nav-btn{display:none}}