body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;transition:background-color .3s ease , color .3s ease;min-height:100vh;display:flex;flex-direction:column}body.light-mode{background-color:#f8f9fa;color:#212529}.light-mode .card{background-color:#fff;border:1px solid rgba(0,0,0,.125)}.light-mode .form-control{background-color:#fff;border-color:#ced4da}body.dark-mode{background-color:#1a1a1a;color:#e0e0e0}.dark-mode .navbar{background-color:#0d6efd!important}.dark-mode .card{background-color:#2d2d2d;border-color:#444;color:#e0e0e0}.dark-mode .card-title{color:#4dabf7!important}.dark-mode .form-control{background-color:#3d3d3d;border-color:#555;color:#f8f9fa}.dark-mode .form-control:focus{background-color:#3d3d3d;border-color:#4dabf7;color:#f8f9fa;box-shadow:0 0 0 .25rem rgba(77,171,247,.25)}.hero.bg-gradient{background:linear-gradient(135deg,#1e3c72 0%,#2a5298 100%)!important;color:#fff!important;padding:4rem 0}.navbar{transition:background-color .3s ease}#themeToggle{transition:all .3s ease;border:none;background:transparent;font-size:1.2rem}footer{background:linear-gradient(135deg,#1e3c72 0%,#2a5298 100%);color:#fff;padding:2rem 0;margin-top:auto}.share-widget{margin-top:1rem;padding-top:1rem;border-top:1px solid #dee2e6}.dark-mode .share-widget{border-top-color:#444}.share-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;margin-right:8px;color:#fff;text-decoration:none;transition:transform .2s}.share-btn:hover{transform:scale(1.1)}.share-btn.facebook{background-color:#3b5998}.share-btn.whatsapp{background-color:#25d366}.share-btn.copy{background-color:#6c757d}.container{padding-left:15px;padding-right:15px}@media (min-width:1200px){.container{max-width:1140px}}@media (max-width:768px){.hero{padding:2rem 0}.hero img{width:120px;height:120px}.card{margin-bottom:1.5rem}footer{text-align:center}footer .col-md-3,footer .col-md-6{margin-bottom:1.5rem}}.share-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;margin-right:10px;color:#fff;text-decoration:none;transition:transform .2s , opacity .2s}.share-btn:hover{transform:scale(1.1);opacity:.9}.share-btn.facebook{background-color:#3b5998}.share-btn.instagram{background:linear-gradient(45deg,#405de6,#5851db,#833ab4,#c13584,#e1306c,#fd1d1d)}.share-btn.twitter{background-color:#000}.share-btn.pinterest{background-color:#e60023}.share-btn.whatsapp{background-color:#25d366}