body{
    margin:0;
    font-family:Arial, sans-serif;
    background:#f5f7fb;
}

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

.header{
    text-align:center;
    margin-bottom:30px;
}

.header h1{
    color:#0b57d0;
    margin-bottom:5px;
}

.search-box{
    display:flex;
    gap:10px;
    margin-bottom:20px;
}

.search-box input{
    flex:1;
    padding:15px;
    font-size:16px;
    border:1px solid #ddd;
    border-radius:10px;
}

.search-box button{
    background:#0b57d0;
    color:white;
    border:none;
    padding:15px 25px;
    border-radius:10px;
    cursor:pointer;
}

.search-box button:hover{
    opacity:.9;
}

.card{
    background:white;
    border-radius:12px;
    padding:15px;
    margin-bottom:10px;
    cursor:pointer;
    box-shadow:0 2px 8px rgba(0,0,0,.08);
}

.card:hover{
    background:#f2f7ff;
}

.summary{
    background:white;
    padding:20px;
    border-radius:12px;
    margin-top:20px;
    box-shadow:0 2px 8px rgba(0,0,0,.08);
}

.summary h2{
    color:#0b57d0;
}

table{
    width:100%;
    border-collapse:collapse;
    margin-top:15px;
}

table th{
    background:#0b57d0;
    color:white;
    padding:10px;
}

table td{
    border:1px solid #ddd;
    padding:8px;
}

.money{
    text-align:right;
}
/* Thêm định dạng riêng cho nút đăng xuất để phân biệt với nút tra cứu */
.search-box button:last-child {
    background: #d93025; /* Màu đỏ */
}