body{margin:0;font-family:Arial,sans-serif;color:#0f172a;background:#f1f8e9}
.header{background:#43a047;color:white;padding:1em}
.navbar .brand{font-weight:bold;font-size:1.5em}
.navbar .menu a{margin-left:1em;color:white;text-decoration:none}
.container{max-width:900px;margin:1em auto;padding:1em}
.card{background:white;padding:1em;border-radius:8px;box-shadow:0 0 10px rgba(0,0,0,0.1)}
button{background:#ff7043;color:white;border:none;padding:0.5em 1em;border-radius:5px;cursor:pointer}