body{font-family:'Poppins',sans-serif;background-color:#f8fafd;color:#343a40;line-height:1.6;margin:0;overflow-x:hidden}.navbar-brand{font-weight:700;font-size:1.8rem;color:#2c3e50!important}.nav-link{font-weight:500;color:#5a6a7c!important;transition:color .3s ease}.nav-link:hover{color:#007bff!important}.btn-primary{background-color:#007bff;border-color:#007bff}.btn-primary:hover{background-color:#0056b3;border-color:#0056b3}.btn-success{background-color:#28a745;border-color:#28a745}.btn-success:hover{background-color:#218838;border-color:#218838}.hero-section{background:linear-gradient(to right,#007bff,#6f42c1);color:white;padding:80px 0;border-radius:10px;margin-top:20px;box-shadow:0 8px 25px rgba(0,0,0,.15)}.hero-section h1{font-size:2.8rem;font-weight:700;margin-bottom:20px}.search-bar .form-control{border-radius:50px;padding:15px 25px;font-size:1.1rem;border:none;box-shadow:0 4px 15px rgba(0,0,0,.1)}.search-bar .btn{border-radius:50px;padding:15px 30px;font-size:1.1rem}.card-custom{border:none;border-radius:10px;box-shadow:0 4px 15px rgba(0,0,0,.08);transition:transform .3s ease,box-shadow .3s ease}.card-custom:hover{transform:translateY(-5px);box-shadow:0 6px 20px rgba(0,0,0,.12)}.card-header-custom{background-color:#e9f5ff;border-bottom:1px solid #cce0ff;color:#007bff;font-weight:600;font-size:1.25rem;border-top-left-radius:10px;border-top-right-radius:10px;padding:15px 20px}.card-header-custom i{margin-right:.5rem}.modal-content{color:#212529}footer{background-color:#343a40;color:white;padding:40px 0;margin-top:50px}footer a{color:#adb5bd;text-decoration:none}footer a:hover{color:#fff}body.night-sky-theme{background:linear-gradient(to bottom,#0a0a2a,#1a1a4a);color:#fff;min-height:100vh;position:relative}.background-container{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:-1;pointer-events:none}#nightSkyCanvas{display:block;background-color:transparent}.site-content-wrapper{position:relative;z-index:1}.night-sky-theme .hero-section{background:rgba(0,0,0,.5)!important;box-shadow:0 0 20px rgba(0,0,0,.5);color:#fff;text-shadow:2px 2px 8px rgba(0,0,0,.7)}.night-sky-theme .card-custom{background:rgba(0,0,0,.6);color:#fff}.night-sky-theme .card-header-custom{background:rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.2);color:#fff}.night-sky-theme .list-group-item{background-color:transparent!important;color:#fff!important;border-color:rgba(255,255,255,.1)!important}.night-sky-theme .list-group-item:hover{background-color:rgba(255,255,255,.05)!important}.night-sky-theme .text-primary{color:#87CEEB!important}.night-sky-theme .text-muted{color:rgba(255,255,255,.7)!important}.night-sky-theme .search-bar .form-control{background-color:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.3);color:#fff}.night-sky-theme .search-bar .form-control::placeholder{color:rgba(255,255,255,.7)}.night-sky-theme #loadingIndicator{background:rgba(0,0,0,.7);padding:20px;border-radius:10px}.night-sky-theme .progress{background-color:rgba(255,255,255,.2)}.night-sky-theme .progress-bar{background-color:#87CEEB!important}@media (max-width:768px){.hero-section{padding:40px 15px!important}.hero-section h1,.display-4{font-size:2rem!important}.search-bar{flex-direction:column}.search-bar .form-control,.search-bar .btn{width:100%}}