:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}body{margin:0;background-color:#f4f7f9;color:#2c3e50}.navbar{background:#2c3e50;height:80px;display:flex;justify-content:center;align-items:center;font-size:1.2rem;position:sticky;top:0;z-index:999;width:100%}.navbar-container{display:flex;justify-content:space-between;height:80px;z-index:1;width:100%;max-width:1300px;margin:0 auto;padding:0 50px}.navbar-logo{color:#fff;justify-self:start;cursor:pointer;text-decoration:none;font-size:2rem;display:flex;align-items:center}.nav-menu{display:flex;align-items:center;list-style:none;text-align:center}.nav-item{height:80px}.nav-links{color:#fff;display:flex;align-items:center;text-decoration:none;padding:.5rem 1rem;height:100%;transition:all .2s ease-out}.nav-links:hover{color:#3498db;border-bottom:4px solid #3498db}.nav-links.activated{border-bottom:4px solid #3498db}.container{max-width:900px;margin:2rem auto;padding:1rem}.title{font-size:2.5rem;color:#2c3e50;text-align:center;margin-bottom:.5rem}.subtitle{text-align:center;color:#7f8c8d;margin-bottom:2rem}.error-message{color:#e74c3c;text-align:center;margin-bottom:1rem}.dropzone{border:2px dashed #bdc3c7;border-radius:10px;padding:2rem;text-align:center;background-color:#f8f9fa;transition:background-color .3s,border-color .3s}.dropzone--dragging{background-color:#ecf0f1;border-color:#3498db}.dropzone__content{margin-bottom:2rem}.dropzone__input{display:none}.image-previews{display:flex;justify-content:space-around;gap:2rem;margin-bottom:2rem;flex-wrap:wrap}.preview-container{display:flex;flex-direction:column;align-items:center}.preview-container h3{color:#34495e;margin-bottom:1rem}.preview-box{width:320px;height:320px;border-radius:8px;background-color:#ecf0f1;display:flex;align-items:center;justify-content:center;color:#95a5a6;overflow:hidden;box-shadow:0 4px 8px #0000000d}.preview-box img{max-width:100%;max-height:100%;object-fit:contain}.loading-indicator p{margin:0;font-size:1.2rem;color:#34495e}.action-buttons{display:flex;justify-content:center;gap:1rem}.btn{padding:.8rem 1.5rem;font-size:1rem;border-radius:5px;border:none;cursor:pointer;transition:background-color .3s,transform .2s;font-weight:500}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:hover:not(:disabled){transform:translateY(-2px)}.btn--primary{background-color:#3498db;color:#fff}.btn--primary:hover:not(:disabled){background-color:#2980b9}.btn--secondary{background-color:#2ecc71;color:#fff}.btn--secondary:hover:not(:disabled){background-color:#27ae60}.btn--cta{background-color:#e67e22;color:#fff}.btn--cta:hover:not(:disabled){background-color:#d35400}.game-container{width:100%;display:flex;flex-direction:column;align-items:center;gap:1rem}.canvas-container{border:1px solid #ccc;background-color:#f0f0f0;overflow:auto;max-width:100%;display:flex;justify-content:center;align-items:center}.page-container{padding:2rem;width:100%}