body{color:#eef2ff;background:#40e0d0;margin:0;padding:30px;font-family:Poppins,sans-serif}#app{text-align:center;background:#1e2a42d1;border-radius:18px;max-width:900px;margin:auto;padding:30px;box-shadow:0 10px 25px #00000059}h1{color:#ffe08a;letter-spacing:1px;font-family:Orbitron,sans-serif}h2{color:#fff;margin-top:22px}strong{color:#b9d7ff}p{color:#d8e4ff;line-height:2.4}.subtitle{color:#d8f4ff;margin-bottom:18px;font-size:17px}.note{color:#a9b8d6;margin-top:25px;font-size:14px;font-style:italic}button{color:#fff;cursor:pointer;background:#4f7cff;border:none;border-radius:9px;padding:12px 22px;transition:all .25s}button:hover{background:#3b67e8;transform:translateY(-2px)}#nasaBtn{background:#2b8c59;margin-bottom:25px}#nasaBtn:hover{background:#22714a}#dateInput{border:none;border-radius:6px;margin-left:8px;padding:8px 12px;font-family:Poppins,sans-serif}img{border:6px solid #f3f6ff;border-radius:20px;transition:transform .25s;box-shadow:0 0 20px #ffffff2e}img:hover{transform:scale(1.04)}hr{border:none;border-top:2px solid #fff3;margin:25px 0}#controls{margin:20px 0}#dateInput{margin:0 8px}