.app-container{background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--box-shadow);overflow:hidden;min-height:80vh;display:flex;flex-direction:column}.app-header{background-color:var(--primary-color);color:#fff;padding:1.5rem;text-align:center}.app-header h1{margin:0;font-size:1.8rem}.tab-container{flex-grow:1;display:flex;flex-direction:column}.tab-navigation{display:flex;background-color:var(--light-gray);border-bottom:1px solid #ddd}.tab-button{padding:1rem 1.5rem;background:none;border:none;cursor:pointer;font-size:1rem;transition:background-color .3s;position:relative}.tab-button:hover{background-color:#0000000d}.tab-button.active{font-weight:700;color:var(--primary-color)}.tab-button.active:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:3px;background-color:var(--primary-color)}.tab-content{padding:2rem;flex-grow:1}.footer{display:flex;justify-content:center;gap:2rem;padding:1rem;margin-top:2rem;border-top:1px solid var(--light-gray)}.footer a{display:flex;align-items:center;color:var(--text-color);text-decoration:none;font-size:.9rem}.footer img{height:24px;margin-right:8px}.quiz-container{max-width:800px;margin:0 auto}.quiz-question{margin-bottom:2rem;padding:1.5rem;border:1px solid var(--light-gray);border-radius:var(--border-radius);background-color:#fff}.quiz-options{display:grid;grid-template-columns:1fr;gap:.8rem;margin-top:1rem}.quiz-option{padding:1rem;border:1px solid var(--light-gray);border-radius:var(--border-radius);cursor:pointer;transition:all .2s}.quiz-option:hover{background-color:var(--light-gray)}.quiz-option.selected{border-color:var(--primary-color);background-color:#3a86ff1a}.quiz-option.correct{border-color:var(--success-color);background-color:#38b0001a}.quiz-option.incorrect{border-color:var(--error-color);background-color:#d904291a}.quiz-button{padding:.8rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius);cursor:pointer;font-size:1rem;margin-top:1rem}.quiz-button:disabled{background-color:var(--light-gray);color:#888;cursor:not-allowed}.solution-steps{counter-reset:step}.solution-step{position:relative;padding:1rem 1rem 1rem 3rem;margin-bottom:1.5rem;border-left:3px solid var(--primary-color);background-color:#3a86ff0d}.solution-step:before{counter-increment:step;content:"Steg " counter(step);position:absolute;left:.5rem;font-weight:700;color:var(--primary-color)}.visualization-container{max-width:100%;overflow-x:auto}.description-button{position:fixed;bottom:20px;right:20px;background-color:var(--primary-color);color:#fff;border:none;border-radius:50%;width:50px;height:50px;font-size:24px;cursor:pointer;box-shadow:0 2px 10px #0003;display:flex;align-items:center;justify-content:center;z-index:1000;transition:background-color .3s}.description-button:hover{background-color:#2563eb}.program-description{max-width:1000px;margin:0 auto;padding:2rem;background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.description-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--light-gray)}.return-button{padding:.6rem 1rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius);cursor:pointer;font-size:.9rem}.return-button:hover{background-color:#2563eb}.description-content section{margin-bottom:2rem}.description-content h3{margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid var(--light-gray);color:var(--primary-color)}.description-content h4{margin:1.5rem 0 .5rem;color:var(--text-color)}.description-content pre{background-color:#f5f5f5;padding:1rem;border-radius:var(--border-radius);overflow-x:auto;font-family:monospace;margin:1rem 0}.component-description{margin-bottom:1.5rem;padding:1rem;background-color:#f9f9f9;border-radius:var(--border-radius);border-left:3px solid var(--primary-color)}.component-description ul{margin-left:1.5rem}@media (max-width: 768px){.tab-navigation{flex-direction:column}.tab-button{padding:.8rem}.tab-content{padding:1rem}.description-header{flex-direction:column;gap:1rem}.description-button{width:40px;height:40px;font-size:20px}}.program-description{max-width:100%;padding:1rem;margin:0 auto}.description-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.description-header h2{margin:0;font-size:clamp(1.5rem,4vw,2rem)}.return-button{padding:.5rem 1rem;background-color:#007bff;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:1rem}.return-button:hover{background-color:#0056b3}.description-content{display:flex;flex-direction:column;gap:2rem}section{background-color:#f8f9fa;padding:1.5rem;border-radius:8px;box-shadow:0 2px 4px #0000001a}section h3{color:#2c3e50;margin-top:0;font-size:clamp(1.2rem,3vw,1.5rem)}section h4{color:#34495e;margin:1.5rem 0 .5rem;font-size:clamp(1rem,2.5vw,1.2rem)}.security-info{margin-top:1.5rem}.code-block{background-color:#2c3e50;color:#ecf0f1;padding:1rem;border-radius:4px;overflow-x:auto;font-size:.9rem;white-space:pre-wrap;word-break:break-word}.file-structure{background-color:#fff;border-radius:6px;padding:1rem;margin-top:1rem;font-family:monospace}.file-item{margin:.5rem 0}.file-children{margin-left:1.5rem;padding-left:1rem;border-left:1px solid #ddd}.folder,.file{display:inline-block;margin-right:.5rem}.file-description{color:#666;font-size:.9em;margin-left:.5rem}@media (max-width: 768px){.program-description{padding:.5rem}.description-header{flex-direction:column;text-align:center}section{padding:1rem}pre{font-size:.8rem}ul{padding-left:1.2rem}.file-structure{font-size:.9rem;padding:.5rem}.file-children{margin-left:1rem;padding-left:.5rem}.file-description{display:block;margin-left:1.5rem;margin-top:.2rem;font-size:.85em}}@media (max-width: 480px){.description-content{gap:1rem}p,li{font-size:.95rem;line-height:1.6}.file-structure{font-size:.85rem}.file-children{margin-left:.5rem}}:root{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.5;font-weight:400;--primary-color: #3a86ff;--secondary-color: #ff006e;--bg-color: #f8f9fa;--text-color: #333;--light-gray: #e9ecef;--success-color: #38b000;--error-color: #d90429;--border-radius: 8px;--box-shadow: 0 2px 10px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{background-color:var(--bg-color);color:var(--text-color);margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{max-width:1280px;margin:0 auto;padding:2rem;width:100%}