.result-modal{width:450px;border:none;border-radius:var(--radius-xl);padding:0;background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1000;box-shadow:var(--shadow-xl);border:1px solid rgba(255,255,255,.2)}.result-modal[open]{animation:slide-in-from-top .35s ease-out}.result-modal::backdrop{background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.result-content{padding:var(--space-2xl);position:relative;overflow:hidden}.result-content:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary-gradient)}.result-header{text-align:center;margin-bottom:var(--space-xl)}.result-header h2{font-size:1.75rem;color:var(--text-primary);margin-bottom:var(--space-md);font-weight:600}.result-percentage{font-size:3rem;font-weight:800;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 0 20px rgba(102,126,234,.3)}.tips-section{background:#667eea0d;border-radius:var(--radius-lg);padding:var(--space-xl);margin-bottom:var(--space-xl);border:1px solid rgba(102,126,234,.1)}.tips-section h3{color:var(--text-primary);font-size:1.25rem;margin-bottom:var(--space-md);font-weight:600}.tips-content{color:var(--text-secondary);font-size:1.125rem;line-height:1.7;font-weight:500}.result-modal form{text-align:center}.result-modal button{margin-top:var(--space-lg);padding:var(--space-md) var(--space-2xl);border:none;border-radius:var(--radius-full);background:var(--primary-gradient);color:#fff;font-size:1.125rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-md);position:relative;overflow:hidden;min-width:200px}.result-modal button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left var(--transition-slow)}.result-modal button:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.result-modal button:hover:before{left:100%}.result-modal button:active{transform:translateY(0)}@keyframes slide-in-from-top{0%{transform:translate(-50%,-60%);opacity:0}to{transform:translate(-50%,-50%);opacity:1}}@keyframes flash{0%{opacity:.5}50%{opacity:1}to{opacity:.5}}@media (max-width: 768px){.result-modal{width:90%;max-width:400px}.result-content{padding:var(--space-xl)}.result-header h2{font-size:1.5rem}.result-percentage{font-size:2.5rem}.tips-section{padding:var(--space-lg)}.tips-section h3{font-size:1.125rem}.tips-content{font-size:1rem}.result-modal button{padding:var(--space-md) var(--space-xl);font-size:1rem}}@media (max-width: 480px){.result-modal{width:95%;max-width:350px}.result-content{padding:var(--space-lg)}.result-header h2{font-size:1.25rem}.result-percentage{font-size:2rem}.tips-section{padding:var(--space-md)}.tips-content{font-size:.875rem}.result-modal button{padding:var(--space-sm) var(--space-lg);font-size:.875rem;min-width:150px}}.canvas-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-2xl);gap:var(--space-xl);min-height:100vh;background:linear-gradient(135deg,#f8fafc,#e2e8f0);position:relative}.canvas-container:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(102, 126, 234, 0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');opacity:.5;z-index:0}.canvas-container>*{position:relative;z-index:1}.canvas-container nav{display:flex;justify-content:center;align-items:center;gap:var(--space-2xl);margin-bottom:var(--space-xl);width:100%;background:#ffffffe6;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:var(--space-lg);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.2)}.nav-button{display:flex;flex-direction:row;align-items:center;justify-content:center;min-width:80px;gap:var(--space-md)}.nav-button p{font-size:1.5rem;font-weight:600;color:var(--text-primary);text-align:center;min-width:40px;transition:all var(--transition-fast)}.nav-button button{background:var(--primary-gradient);border:none;cursor:pointer;padding:var(--space-md);border-radius:var(--radius-full);transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;width:48px;height:48px;box-shadow:var(--shadow-md)}.nav-button button:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.nav-button button:active{transform:translateY(0)}.nav-button button:disabled{opacity:.5;cursor:not-allowed;transform:none}.nav-button button img{width:20px;height:20px;filter:brightness(0) invert(1)}.canvas-container-button{font-weight:600;width:240px;background:var(--primary-gradient);padding:var(--space-md) var(--space-lg);color:#fff;border:none;border-radius:var(--radius-full);cursor:pointer;font-size:1.125rem;transition:all var(--transition-normal);box-shadow:var(--shadow-md);position:relative;overflow:hidden}.canvas-container-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left var(--transition-slow)}.canvas-container-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.canvas-container-button:hover:before{left:100%}.canvas-container-button:active{transform:translateY(0)}.canvas-container-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.react-sketch-canvas{box-shadow:var(--shadow-xl);border-radius:var(--radius-lg);background-color:#fff;border:2px solid var(--border-light);transition:all var(--transition-normal)}.react-sketch-canvas:hover{box-shadow:0 25px 50px -12px #00000040;transform:translateY(-2px)}.canvas-container.loading{pointer-events:none}.canvas-container.loading .react-sketch-canvas{opacity:.6}@media (max-width: 768px){.canvas-container{padding:var(--space-lg);gap:var(--space-lg)}.canvas-container nav{flex-direction:column;gap:var(--space-lg);padding:var(--space-md)}.nav-button{flex-direction:column;gap:var(--space-sm)}.nav-button p{font-size:1.25rem}.canvas-container-button{width:100%;max-width:300px}}.login-button{color:#fff;background:var(--primary-gradient);border:2px solid #fff;border-radius:25px;padding:10px 35px;font-size:20px;font-weight:700}.select-language-wrapper{position:relative}.dropdown-container{position:relative;display:inline-block}.dropdown-trigger{background:none;border:none;cursor:pointer;color:#000;padding:5px}.dropdown-trigger img{width:30px;height:30px;color:#000;display:block}.dropdown-menu{position:absolute;top:calc(100% + 5px);right:0;background-color:#fff;border-radius:4px;box-shadow:0 2px 5px #0003;padding:0;margin:0;min-width:150px;display:none;z-index:1001}.dropdown-menu.active{display:block}.dropdown-menu button{width:100%;padding:8px 16px;border:none;background:none;text-align:left;cursor:pointer;display:block}.dropdown-menu button:hover{background-color:#f5f5f5}.languages-doc-container{display:flex;flex-direction:row;align-items:center;justify-content:center;gap:20px}.syledButton{background:var(--primary-gradient);color:#fff;border:none;border-radius:var(--radius-full);padding:var(--space-md) var(--space-2xl);font-size:1.125rem;font-weight:600;margin-top:var(--space-lg);transition:all var(--transition-normal);box-shadow:var(--shadow-md);position:relative;overflow:hidden;min-width:200px;height:48px}.syledButton:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.syledButton:active{transform:translateY(0);box-shadow:var(--shadow-md)}.syledButton:disabled{opacity:.6;cursor:not-allowed;transform:none}.syledButton:disabled:hover{transform:none;box-shadow:var(--shadow-md)}.navbar{display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;width:100%;padding:var(--space-sm) var(--space-lg);background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-light);z-index:1000;box-shadow:var(--shadow-sm);min-height:60px}.navbar-brand{display:flex;align-items:center;gap:var(--space-sm)}.brand-logo{width:36px;height:36px;border-radius:var(--radius-md);background:var(--primary-gradient);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}.logo-icon{font-size:1.125rem;font-weight:800;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.1)}.brand-text{display:flex;flex-direction:column}.brand-title{font-size:1.125rem;font-weight:700;color:var(--text-primary);margin:0;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}.brand-subtitle{font-size:.625rem;color:var(--text-secondary);margin:0;font-weight:500;text-transform:uppercase;letter-spacing:.5px;line-height:1}.nav-links{display:flex;list-style:none;gap:var(--space-lg);transition:all var(--transition-normal)}.nav-links-item{color:var(--text-primary);text-decoration:none;font-size:1rem;font-weight:500;padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);transition:all var(--transition-fast);position:relative}.nav-links-item:before{content:"";position:absolute;bottom:0;left:50%;width:0;height:2px;background:var(--primary-gradient);transition:all var(--transition-fast);transform:translate(-50%)}.nav-links-item:hover{color:#667eea;background:#667eea1a}.nav-links-item:hover:before{width:100%}.burger-menu{display:none;flex-direction:column;cursor:pointer;padding:var(--space-sm);border-radius:var(--radius-md);transition:background var(--transition-fast)}.burger-menu:hover{background:#667eea1a}.burger-menu span{height:3px;width:24px;background:var(--text-primary);margin:3px 0;border-radius:2px;transition:all var(--transition-normal)}.burger-menu.active span:nth-child(1){transform:rotate(45deg) translate(6px,6px)}.burger-menu.active span:nth-child(2){opacity:0;transform:translate(20px)}.burger-menu.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}@media (max-width: 768px){.navbar{padding:var(--space-xs) var(--space-md);min-height:50px}.brand-logo{width:32px;height:32px}.logo-icon,.brand-title{font-size:1rem}.brand-subtitle{font-size:.5rem}.burger-menu{display:flex}.nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#fffffffa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-light);border-top:none;box-shadow:var(--shadow-lg);padding:var(--space-sm);gap:var(--space-xs);opacity:0;transform:translateY(-10px);transition:all var(--transition-normal);z-index:999;display:none}.nav-links.active{display:flex;opacity:1;transform:translateY(0)}.nav-links-item{padding:var(--space-sm);font-size:.9rem;font-weight:500;border-radius:var(--radius-md);text-align:center;transition:all var(--transition-fast)}.nav-links-item:hover{background:#667eea1a;transform:translate(4px)}.languages-doc-container{gap:var(--space-sm)}.login-button{padding:var(--space-xs) var(--space-sm);font-size:.8rem}}.current:after{content:"";height:4px;width:100%;border-radius:2px;position:absolute;left:0;bottom:-1px;background-color:#000;transition:all .3s ease}.current{position:relative;color:#000;padding-bottom:5px}.current:hover:after{width:100%;opacity:.8}.main-content{min-height:calc(100vh - 260px);display:flex;flex-direction:column}main{display:flex;flex-direction:column;min-height:100vh}.main-page{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-2xl);gap:var(--space-2xl);min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow:hidden}.main-page:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="90" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');opacity:.3;z-index:0}.main-page>*{position:relative;z-index:1}.main-page h1{font-size:2.5rem;font-weight:700;margin-bottom:var(--space-lg);background:linear-gradient(135deg,#fff,#f0f9ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-align:center;letter-spacing:-.02em;animation:fadeIn .8s ease-out}.main-page-content-item{display:flex;flex-direction:column;align-items:center;justify-content:center;background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:var(--space-xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:500px;border:1px solid rgba(255,255,255,.2);transition:all var(--transition-normal);animation:fadeIn .8s ease-out;position:relative;overflow:hidden}.main-page-content-item:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary-gradient);opacity:0;transition:opacity var(--transition-normal)}.main-page-content-item:hover{transform:translateY(-4px);box-shadow:0 25px 50px -12px #00000040}.main-page-content-item:hover:before{opacity:1}.main-page-content-item h3{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--space-md);text-align:center}.main-page-content-item p{color:var(--text-secondary);line-height:1.8;font-size:1.1rem;text-align:center;margin:var(--space-md) 0;padding:0 var(--space-md)}.main-page-content-item:nth-child(2){animation-delay:.2s}.main-page-content-item:nth-child(3){animation-delay:.4s}.main-page-content-item:nth-child(4){animation-delay:.6s}@media (max-width: 1024px){.main-page{padding:var(--space-xl)}.main-page h1{font-size:2.25rem}.main-page-content-item{max-width:450px;padding:var(--space-lg)}}@media (max-width: 768px){.main-page{padding:var(--space-lg);gap:var(--space-lg)}.main-page h1{font-size:2rem}.main-page-content-item{padding:var(--space-lg);max-width:100%}.main-page-content-item p{font-size:1rem;padding:0 var(--space-sm)}}@media (max-width: 480px){.main-page{padding:var(--space-md);gap:var(--space-md)}.main-page h1{font-size:1.75rem}.main-page-content-item{padding:var(--space-md)}.main-page-content-item h3{font-size:1.25rem}.main-page-content-item p{font-size:.9rem}}.file-uploader{margin-top:var(--space-xl);gap:var(--space-xl);display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-2xl);background:linear-gradient(135deg,#f8fafc,#e2e8f0);position:relative}.file-uploader:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(102, 126, 234, 0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');opacity:.5;z-index:0}.file-uploader>*{position:relative;z-index:1}.file-uploader-input{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-lg);background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:var(--space-2xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);border:1px solid rgba(255,255,255,.2);animation:fadeIn .8s ease-out}.file-uploader-input h1{font-size:3rem;font-weight:700;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-align:center;margin-bottom:var(--space-lg)}.filelabel{width:400px;min-height:200px;border:3px dashed var(--border-medium);border-radius:var(--radius-lg);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-xl);transition:all var(--transition-normal);font-size:1.125rem;font-weight:500;cursor:pointer;text-align:center;margin:0;background:var(--bg-primary);position:relative;overflow:hidden}.filelabel:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(102,126,234,.1),transparent);transition:left var(--transition-slow)}.filelabel img{display:block;width:48px;height:48px;margin-bottom:var(--space-md);filter:grayscale(1);transition:all var(--transition-normal)}.filelabel .title{color:var(--text-secondary);transition:all var(--transition-normal);font-weight:500}.filelabel:hover{border-color:#667eea;transform:translateY(-2px);box-shadow:var(--shadow-lg)}.filelabel:hover:before{left:100%}.filelabel:hover img{filter:grayscale(0);transform:scale(1.1)}.filelabel:hover .title{color:#667eea}.filelabel.dragover{border-color:#667eea;background:#667eea0d;transform:scale(1.02)}#FileInput{display:none}.file-uploader-button{background:var(--primary-gradient);color:#fff;border:none;border-radius:var(--radius-full);padding:var(--space-md) var(--space-2xl);font-size:1.125rem;font-weight:600;margin-top:var(--space-lg);transition:all var(--transition-normal);box-shadow:var(--shadow-md);position:relative;overflow:hidden;min-width:200px}.file-uploader-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left var(--transition-slow)}.file-uploader-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.file-uploader-button:hover:before{left:100%}.file-uploader-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.clear-button{background:var(--secondary-gradient);color:#fff;border:none;border-radius:var(--radius-full);font-weight:600;font-size:.875rem;padding:var(--space-sm) var(--space-lg);transition:all var(--transition-normal);box-shadow:var(--shadow-sm);margin-top:var(--space-md)}.clear-button:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.file-preview{margin-top:var(--space-lg);padding:var(--space-lg);background:#ffffffe6;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--border-light);animation:fadeIn .5s ease-out}.file-preview img{max-width:300px;max-height:300px;border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}@media (max-width: 768px){.file-uploader{padding:var(--space-lg)}.file-uploader-input{padding:var(--space-xl)}.file-uploader-input h1{font-size:2.5rem}.filelabel{width:100%;max-width:350px;min-height:150px;padding:var(--space-lg)}.file-uploader-button{width:100%;max-width:300px}}@media (max-width: 480px){.file-uploader{padding:var(--space-md)}.file-uploader-input{padding:var(--space-lg)}.file-uploader-input h1{font-size:2rem}.filelabel{min-height:120px;padding:var(--space-md)}}.select-language{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-2xl);gap:var(--space-xl);min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow:hidden}.select-language:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');opacity:.3;z-index:0}.select-language>*{position:relative;z-index:1}.select-language h1{font-size:3rem;font-weight:700;margin-bottom:var(--space-lg);background:linear-gradient(135deg,#fff,#f0f9ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-align:center;animation:fadeIn .8s ease-out}.select-language-option{font-size:1.125rem;font-weight:500;padding:var(--space-md) var(--space-lg);border-radius:var(--radius-full);border:2px solid rgba(255,255,255,.3);box-shadow:var(--shadow-md);transition:all var(--transition-normal);cursor:pointer;outline:none;appearance:none;-webkit-appearance:none;-moz-appearance:none;color:var(--text-primary);background:#ffffffe6}.select-language h2{font-size:2rem;font-weight:600;color:#ffffffe6;margin-bottom:var(--space-lg);text-align:center}.select-language select{width:300px;padding:var(--space-md) var(--space-lg);border:2px solid rgba(255,255,255,.3);border-radius:var(--radius-full);font-size:1.125rem;font-weight:500;text-align:center;background:#ffffffe6;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:var(--text-primary);cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-md)}.select-language select:hover{background:#fffffff2;border-color:#ffffff80;transform:translateY(-2px);box-shadow:var(--shadow-lg)}.select-language select:focus{outline:none;border-color:#fffc;box-shadow:0 0 0 3px #ffffff4d}.select-language p{font-size:1.25rem;font-weight:500;color:#ffffffe6;margin:var(--space-md) 0;text-align:center}.select-language-container{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-xl);background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:var(--space-2xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);border:1px solid rgba(255,255,255,.2);animation:fadeIn .8s ease-out .2s both}.select-language-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(60px,1fr));gap:var(--space-md);width:100%;max-width:800px;margin:var(--space-lg) 0}.select-language-list li{display:flex;justify-content:center;align-items:center}.select-language-button{width:60px;height:60px;aspect-ratio:1;display:flex;justify-content:center;align-items:center;font-size:1.5rem;font-weight:600;border:2px solid var(--border-light);border-radius:var(--radius-lg);background:var(--bg-primary);color:var(--text-primary);cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}.select-language-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(102,126,234,.1),transparent);transition:left var(--transition-slow)}.select-language-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#667eea}.select-language-button:hover:before{left:100%}.select-language-button.active{background:var(--primary-gradient);color:#fff;border-color:transparent;box-shadow:var(--shadow-lg);transform:translateY(-2px)}.select-language-button.done{background:var(--success-gradient);color:#fff;border-color:transparent}.select-language-button.half-done{background:var(--warning-gradient);color:var(--text-primary);border-color:transparent}.select-language-button.poor{background:var(--secondary-gradient);color:#fff;border-color:transparent}.quiz-mode-info{display:flex;flex-direction:column;align-items:center;padding:var(--space-xl);background:linear-gradient(135deg,#667eea1a,#764ba21a);border-radius:var(--radius-lg);margin:var(--space-lg) 0;border:2px dashed rgba(102,126,234,.3);animation:fadeIn .5s ease-out}.quiz-description{font-size:1.125rem;font-weight:500;text-align:center;color:var(--text-primary);margin:0;line-height:1.6}@media (max-width: 1024px){.select-language-list{grid-template-columns:repeat(auto-fit,minmax(50px,1fr));gap:var(--space-sm)}.select-language-button{width:50px;height:50px;font-size:1.25rem}}@media (max-width: 768px){.select-language{padding:var(--space-lg)}.select-language h1{font-size:2.5rem}.select-language h2{font-size:1.5rem}.select-language select{width:100%;max-width:280px;font-size:1rem}.select-language-container{padding:var(--space-xl)}.select-language-list{grid-template-columns:repeat(auto-fit,minmax(45px,1fr));gap:var(--space-sm)}.select-language-button{width:45px;height:45px;font-size:1.125rem}}@media (max-width: 480px){.select-language{padding:var(--space-md)}.select-language h1{font-size:2rem}.select-language-container{padding:var(--space-lg)}.select-language-list{grid-template-columns:repeat(auto-fit,minmax(40px,1fr))}.select-language-button{width:40px;height:40px;font-size:1rem}}.auth-container{max-width:450px;margin:var(--space-2xl) auto;padding:var(--space-2xl);border-radius:var(--radius-xl);background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow-xl);border:1px solid rgba(255,255,255,.2);animation:fadeIn .8s ease-out;position:relative;overflow:hidden}.auth-container:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary-gradient)}.auth-form{display:flex;flex-direction:column;gap:var(--space-lg)}.form-group{display:flex;flex-direction:column;gap:var(--space-sm);position:relative}.form-group label{font-weight:500;color:var(--text-primary);font-size:.875rem;margin-bottom:var(--space-xs)}input{padding:var(--space-md) var(--space-lg);border:2px solid var(--border-light);border-radius:var(--radius-lg);font-size:1rem;font-weight:500;background:var(--bg-primary);color:var(--text-primary);transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a;transform:translateY(-1px)}input:hover{border-color:var(--border-medium);transform:translateY(-1px)}.submit-btn{padding:var(--space-md) var(--space-xl);background:var(--primary-gradient);color:#fff;border:none;border-radius:var(--radius-full);cursor:pointer;font-size:1.125rem;font-weight:600;transition:all var(--transition-normal);box-shadow:var(--shadow-md);position:relative;overflow:hidden;margin-top:var(--space-md)}.submit-btn-text{font-size:1.125rem;font-weight:600;color:#fff}.submit-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left var(--transition-slow)}.submit-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.submit-btn:hover:before{left:100%}.submit-btn:active{transform:translateY(0)}.submit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.error{color:#ef4444;font-size:.875rem;font-weight:500;margin-top:var(--space-xs);display:flex;align-items:center;gap:var(--space-xs)}.error:before{content:"⚠";font-size:.75rem}.toggle-text{text-align:center;margin-top:var(--space-lg);color:var(--text-secondary);font-size:.875rem}.toggle-text a{color:#667eea;text-decoration:none;font-weight:500;transition:all var(--transition-fast);position:relative}.toggle-text a:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background:#667eea;transition:width var(--transition-fast)}.toggle-text a:hover:after{width:100%}.is-invalid{border-color:#ef4444!important;background-color:#fef2f2!important;box-shadow:0 0 0 3px #ef44441a!important}.error-text{color:#ef4444;font-size:.75rem;margin-top:var(--space-xs);font-weight:500;display:flex;align-items:center;gap:var(--space-xs)}.error-text:before{content:"⚠";font-size:.625rem}.submit-btn.loading{pointer-events:none;opacity:.8}.submit-btn.loading:after{content:"";position:absolute;top:50%;left:50%;width:20px;height:20px;margin:-10px 0 0 -10px;border:2px solid transparent;border-top:2px solid white;border-radius:50%;animation:spin 1s linear infinite}.form-group.success input{border-color:#10b981;background-color:#f0fdf4}.form-group.success:after{content:"✓";position:absolute;right:var(--space-md);top:50%;transform:translateY(-50%);color:#10b981;font-weight:700;font-size:1.125rem}@media (max-width: 768px){.auth-container{margin:var(--space-lg);padding:var(--space-xl);max-width:none}input{font-size:1rem}.submit-btn{font-size:1rem;padding:var(--space-md) var(--space-lg)}}@media (max-width: 480px){.auth-container{margin:var(--space-md);padding:var(--space-lg)}}.not-found-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-2xl);text-align:center;background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow:hidden}.not-found-container:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="floating" width="60" height="60" patternUnits="userSpaceOnUse"><circle cx="30" cy="30" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="15" cy="45" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="45" cy="15" r="1.5" fill="rgba(255,255,255,0.08)"/></pattern></defs><rect width="100" height="100" fill="url(%23floating)"/></svg>');opacity:.4;z-index:0}.not-found-container>*{position:relative;z-index:1}.not-found-error{color:#ffffffe6;font-size:1.5rem;margin-bottom:var(--space-sm);font-weight:500;animation:fadeIn .8s ease-out}.not-found-code{font-size:12rem;font-weight:800;background:linear-gradient(135deg,#fff,#f0f9ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0;line-height:1;text-shadow:0 0 30px rgba(255,255,255,.3);animation:fadeIn .8s ease-out .2s both;position:relative}.not-found-code:after{content:"";position:absolute;top:50%;left:50%;width:200px;height:200px;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);border-radius:50%;transform:translate(-50%,-50%);z-index:-1;animation:pulse 2s ease-in-out infinite}.not-found-title{font-size:2.5rem;color:#fffffff2;margin:var(--space-lg) 0;font-weight:600;animation:fadeIn .8s ease-out .4s both}.not-found-description{font-size:1.25rem;color:#fffc;max-width:600px;margin:var(--space-lg) 0 var(--space-2xl);line-height:1.7;animation:fadeIn .8s ease-out .6s both}.syledButton{background:var(--primary-gradient);color:#fff;border:none;border-radius:var(--radius-full);padding:var(--space-md) var(--space-2xl);font-size:1.125rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-lg);position:relative;overflow:hidden;animation:fadeIn .8s ease-out .8s both}.syledButton:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left var(--transition-slow)}.syledButton:hover{transform:translateY(-3px);box-shadow:0 20px 40px -12px #0000004d}.syledButton:hover:before{left:100%}.syledButton:active{transform:translateY(-1px)}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.not-found-container:after{content:"404";position:absolute;top:20%;right:10%;font-size:8rem;font-weight:800;color:#ffffff0d;z-index:0;animation:float 6s ease-in-out infinite}@media (max-width: 1024px){.not-found-code{font-size:10rem}.not-found-title{font-size:2rem}.not-found-description{font-size:1.125rem}}@media (max-width: 768px){.not-found-container{padding:var(--space-lg)}.not-found-code{font-size:8rem}.not-found-title{font-size:1.75rem}.not-found-description{font-size:1rem;padding:0 var(--space-md)}.syledButton{padding:var(--space-md) var(--space-xl);font-size:1rem}}@media (max-width: 480px){.not-found-container{padding:var(--space-md)}.not-found-code{font-size:6rem}.not-found-title{font-size:1.5rem}.not-found-description{font-size:.875rem}.syledButton{padding:var(--space-sm) var(--space-lg);font-size:.875rem}}.quiz-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-xl);background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow:hidden}.quiz-container:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="90" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');opacity:.3;z-index:0}.quiz-container>*{position:relative;z-index:1}.quiz-timer-bar{position:fixed;top:0;left:0;right:0;height:6px;background:#fff3;z-index:1000;overflow:hidden}.quiz-timer-progress{height:100%;background:linear-gradient(90deg,#43e97b,#38f9d7,#fa709a);transition:width 1s linear;box-shadow:0 0 10px #43e97b80;animation:pulse-glow 2s ease-in-out infinite}@keyframes pulse-glow{0%,to{box-shadow:0 0 10px #43e97b80}50%{box-shadow:0 0 20px #43e97bcc}}.quiz-header{margin-top:var(--space-2xl);margin-bottom:var(--space-xl);text-align:center;width:100%;max-width:500px}.quiz-info{display:flex;justify-content:space-between;align-items:center;background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:var(--space-md) var(--space-xl);border-radius:var(--radius-full);box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.2)}.quiz-counter{font-size:1.125rem;font-weight:600;color:var(--text-primary)}.quiz-timer-text{font-size:1.25rem;font-weight:700;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.quiz-current-letter{margin-bottom:var(--space-xl)}.quiz-current-letter h2{font-size:5rem;font-weight:800;color:#fff;text-shadow:0 4px 20px rgba(0,0,0,.3);animation:letter-appear .5s ease-out}@keyframes letter-appear{0%{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}.quiz-canvas-wrapper{background:#fff;padding:var(--space-lg);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);margin-bottom:var(--space-xl)}.quiz-controls{display:flex;gap:var(--space-lg)}.quiz-button{padding:var(--space-md) var(--space-2xl);border:none;border-radius:var(--radius-full);font-size:1.125rem;font-weight:600;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-md);position:relative;overflow:hidden;min-width:140px}.quiz-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left var(--transition-slow)}.quiz-button:hover:before{left:100%}.quiz-button:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.quiz-button:active{transform:translateY(0)}.quiz-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.quiz-button-clear{background:linear-gradient(135deg,#94a3b8,#64748b);color:#fff}.quiz-button-submit{background:var(--success-gradient);color:#fff}.quiz-results{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-xl);background:linear-gradient(135deg,#667eea,#764ba2);position:relative;overflow:hidden}.quiz-results:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="90" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');opacity:.3;z-index:0}.quiz-results-container{position:relative;z-index:1;background:#fffffff2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:var(--space-2xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);max-width:600px;width:100%;animation:fadeIn .8s ease-out}.quiz-results-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:var(--space-2xl);background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.quiz-total-score{display:flex;flex-direction:column;align-items:center;margin-bottom:var(--space-2xl);padding:var(--space-xl);background:linear-gradient(135deg,#667eea1a,#764ba21a);border-radius:var(--radius-lg)}.quiz-score-circle{width:150px;height:150px;border-radius:50%;background:var(--primary-gradient);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px #667eea4d;margin-bottom:var(--space-md);animation:scale-in .6s ease-out}@keyframes scale-in{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}.quiz-score-value{font-size:3rem;font-weight:800;color:#fff}.quiz-score-label{font-size:1.25rem;font-weight:600;color:var(--text-secondary)}.quiz-results-list{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-2xl)}.quiz-result-item{display:flex;align-items:center;gap:var(--space-lg);padding:var(--space-md);background:#667eea0d;border-radius:var(--radius-md);border:1px solid rgba(102,126,234,.1);animation:fadeIn .5s ease-out}.quiz-result-letter{font-size:2rem;font-weight:700;color:var(--text-primary);min-width:50px;text-align:center}.quiz-result-details{flex:1;display:flex;align-items:center;gap:var(--space-md)}.quiz-result-bar-container{flex:1;height:30px;background:#0000000d;border-radius:var(--radius-full);overflow:hidden}.quiz-result-bar{height:100%;border-radius:var(--radius-full);transition:width 1s ease-out;box-shadow:0 0 10px #43e97b4d}.quiz-result-percentage{font-size:1.25rem;font-weight:700;color:var(--text-primary);min-width:60px;text-align:right}.quiz-results-buttons{display:flex;flex-direction:column;gap:var(--space-md)}.quiz-button-primary{background:var(--primary-gradient);color:#fff}.quiz-button-secondary{background:linear-gradient(135deg,#94a3b8,#64748b);color:#fff}.quiz-loading{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.quiz-loading p{font-size:1.5rem;color:#fff;font-weight:600;animation:pulse 2s ease-in-out infinite}@media (max-width: 768px){.quiz-container{padding:var(--space-lg)}.quiz-header{max-width:100%}.quiz-info{padding:var(--space-sm) var(--space-lg)}.quiz-counter{font-size:1rem}.quiz-timer-text{font-size:1.125rem}.quiz-current-letter h2{font-size:4rem}.quiz-canvas-wrapper{padding:var(--space-md)}.quiz-controls{flex-direction:column;width:100%}.quiz-button{width:100%}.quiz-results-container{padding:var(--space-xl)}.quiz-results-title{font-size:2rem}.quiz-score-circle{width:120px;height:120px}.quiz-score-value{font-size:2.5rem}.quiz-result-letter{font-size:1.5rem;min-width:40px}}@media (max-width: 480px){.quiz-current-letter h2{font-size:3rem}.quiz-results-title{font-size:1.75rem}.quiz-score-circle{width:100px;height:100px}.quiz-score-value{font-size:2rem}}:root{--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);--success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);--warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--text-primary: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--border-light: #e2e8f0;--border-medium: #cbd5e1;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--transition-fast: .15s ease-in-out;--transition-normal: .3s ease-in-out;--transition-slow: .5s ease-in-out}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:var(--text-primary);background:var(--bg-secondary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;color:var(--text-primary)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{color:var(--text-secondary);line-height:1.7}button{cursor:pointer;border:none;outline:none;font-family:inherit;font-weight:500;transition:all var(--transition-fast);display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm)}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #667eea;outline-offset:2px}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}.animate-fade-in{animation:fadeIn var(--transition-normal) ease-out}.animate-slide-in{animation:slideIn var(--transition-normal) ease-out}.glass-effect{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}.gradient-text{background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}