*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--primary-dark: #4f46e5;--secondary-color: #ec4899;--dark-bg: #0f172a;--light-bg: #f8fafc;--text-dark: #1e293b;--text-light: #64748b;--border-color: #e2e8f0;--success: #10b981;--danger: #ef4444;--warning: #f59e0b}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--light-bg);color:var(--text-dark)}.header{background:#fff;box-shadow:0 1px 3px #0000001a;position:sticky;top:0;z-index:100}.header-content{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;background-clip:text;color:transparent;text-decoration:none}.nav{display:flex;gap:2rem;align-items:center}.nav-link{text-decoration:none;color:var(--text-dark);font-weight:500;transition:color .3s}.nav-link:hover{color:var(--primary-color)}.auth-buttons{display:flex;gap:1rem}.btn{padding:.5rem 1rem;border:none;border-radius:.5rem;cursor:pointer;font-size:.875rem;font-weight:500;transition:all .3s}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}.btn-outline{background:transparent;border:1px solid var(--border-color)}.btn-outline:hover{border-color:var(--primary-color);color:var(--primary-color)}.btn-danger{background:var(--danger);color:#fff}.container{max-width:1200px;margin:0 auto;padding:2rem}.songs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:2rem;margin-top:2rem}.song-card{background:#fff;border-radius:1rem;overflow:hidden;box-shadow:0 4px 6px #0000001a;transition:transform .3s,box-shadow .3s;cursor:pointer}.song-card:hover{transform:translateY(-4px);box-shadow:0 10px 20px #00000026}.song-cover{width:100%;height:200px;object-fit:cover}.song-info{padding:1rem}.song-title{font-size:1.125rem;font-weight:600;margin-bottom:.5rem}.song-artist{color:var(--text-light);font-size:.875rem;margin-bottom:.5rem;cursor:pointer}.song-artist:hover{color:var(--primary-color)}.song-rating{display:flex;align-items:center;gap:.25rem;margin-top:.5rem}.artists-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.5rem;margin-top:2rem}.artist-card{background:#fff;border-radius:1rem;padding:1rem;text-align:center;cursor:pointer;transition:transform .3s}.artist-card:hover{transform:translateY(-4px)}.artist-photo{width:120px;height:120px;border-radius:50%;object-fit:cover;margin:0 auto 1rem}.reviews-list{margin-top:2rem}.review-card{background:#fff;border-radius:.5rem;padding:1rem;margin-bottom:1rem;border:1px solid var(--border-color)}.review-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.review-user{font-weight:600;display:flex;align-items:center;gap:.5rem}.review-rating{display:flex;gap:.25rem}.review-content{margin-top:.5rem;color:var(--text-light)}.form-container{max-width:500px;margin:0 auto;background:#fff;padding:2rem;border-radius:1rem;box-shadow:0 4px 6px #0000001a}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500}.form-group input,.form-group textarea,.form-group select{width:100%;padding:.5rem;border:1px solid var(--border-color);border-radius:.5rem;font-size:1rem}.form-group textarea{min-height:100px;resize:vertical}.star-rating{display:flex;gap:.25rem;cursor:pointer}.star{font-size:1.5rem;color:#cbd5e1;transition:color .2s}.star.active{color:var(--warning)}.loading{text-align:center;padding:2rem;font-size:1.125rem;color:var(--text-light)}.error{text-align:center;padding:2rem;color:var(--danger)}.modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:#fff;border-radius:1rem;padding:2rem;max-width:500px;width:90%}@media (max-width: 768px){.songs-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}.container,.header-content{padding:1rem}}