body{
    font-family: Arial, sans-serif;
    background:#FFF5F2;
    color:#333;
    margin:0;
}

.navbar{
    background:#FF8A65;
    color:white;
    padding:15px 30px;
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.logo{
    font-size:22px;
    font-weight:bold;
    cursor:pointer;
}

.nav-links button{
    background:none;
    border:none;
    color:white;
    font-size:14px;
    margin-left:15px;
    cursor:pointer;
}

.container{
    max-width:1100px;
    margin:auto;
    padding:40px 20px;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
    gap:20px;
}

.card{
    background:white;
    border-radius:12px;
    padding:20px;
    box-shadow:0 4px 12px rgba(0,0,0,0.08);
}

.card h3{
    margin-bottom:10px;
}

.button{
    border:none;
    border-radius:8px;
    padding:10px 16px;
    cursor:pointer;
    font-weight:500;
}

.primary{
    background:#FF8A65;
    color:white;
}

.secondary{
    background:#FFE0D6;
}

.success{
    background:#66BB6A;
    color:white;
}

.input{
    width:100%;
    padding:10px;
    margin-bottom:12px;
    border-radius:6px;
    border:1px solid #ddd;
}

.page-title{
    font-size:24px;
    margin-bottom:20px;
}

.history-item{
    padding:10px;
    border-bottom:1px solid #eee;
    font-size:14px;
}

.center-card{
    max-width:400px;
    margin:auto;
}

.back-button{
    margin-bottom:20px;
    font-size:16px;
}