:root{--primary-color:#3a6ea5;--secondary-color:#004e98;--accent-color:#ff6b6b;--background-color:#f8f9fa;--text-color:#333;--light-gray:#e9ecef;--dark-gray:#6c757d;--white:#ffffff;--font-family-sans-serif:'Nunito',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-family-serif:'Merriweather',Georgia,"Times New Roman",serif}body{font-family:var(--font-family-sans-serif);color:var(--text-color);background-color:var(--background-color);line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-serif);font-weight:700;margin-bottom:1rem}a{color:var(--primary-color);transition:color 0.3s ease}a:hover{color:var(--secondary-color);text-decoration:none}.navbar{box-shadow:0 2px 4px rgba(0,0,0,0.1);padding:1rem 0;background-color:var(--white)!important}.navbar-brand{font-family:var(--font-family-serif);font-weight:700;font-size:1.5rem;color:var(--primary-color)!important}.nav-link{font-weight:600;color:var(--text-color)!important;margin:0 0.5rem;position:relative}.nav-link:hover{color:var(--primary-color)!important}.nav-link::after{content:'';position:absolute;width:0;height:2px;bottom:0;left:0;background-color:var(--primary-color);transition:width 0.3s ease}.nav-link:hover::after{width:100%}.site-footer{background-color:var(--secondary-color);color:var(--white);padding:3rem 0;margin-top:3rem}.site-footer h5{color:var(--white);font-weight:600;margin-bottom:1.5rem}.site-footer a{color:var(--light-gray);transition:color 0.3s ease}.site-footer a:hover{color:var(--white);text-decoration:none}.footer-bottom{background-color:rgba(0,0,0,0.1);padding:1rem 0;margin-top:2rem}.card{border:none;border-radius:0.5rem;overflow:hidden;box-shadow:0 4px 6px rgba(0,0,0,0.1);transition:transform 0.3s ease,box-shadow 0.3s ease}.card:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(0,0,0,0.1)}.card-img-top{height:200px;object-fit:cover}.card-title{font-weight:700}.card-footer{border-top:none;background-color:transparent}.btn{border-radius:0.25rem;padding:0.5rem 1.5rem;font-weight:600;transition:all 0.3s ease}.btn-primary{background-color:var(--primary-color);border-color:var(--primary-color)}.btn-primary:hover{background-color:var(--secondary-color);border-color:var(--secondary-color)}.btn-outline-primary{color:var(--primary-color);border-color:var(--primary-color)}.btn-outline-primary:hover{background-color:var(--primary-color);color:var(--white)}.article-content{font-family:var(--font-family-serif);font-size:1.1rem;line-height:1.8}.article-content p{margin-bottom:1.5rem}.article-content img{max-width:100%;height:auto;margin:2rem 0;border-radius:0.5rem;box-shadow:0 4px 10px rgba(0,0,0,0.1)}.alert{border-radius:0.25rem;border:none;box-shadow:0 2px 4px rgba(0,0,0,0.1)}.alert-debug{color:black;background-color:white;border-color:#d6e9c6}.alert-error{color:#b94a48;background-color:#f2dede;border-color:#eed3d7}.square50{width:50px;height:50px}