body {
    background-color: #f9f9f9;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
}
.navbar {
    background-color: #fff;
    border-bottom: 2px solid orange;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
}
.navbar a {
    text-decoration: none;
    color: orange;
    font-weight: bold;
    margin-left: 20px;
    padding: 8px 15px;
    border: 2px solid orange;
    border-radius: 5px;
}
.navbar a:hover {
    background-color: orange;
    color: white;
}
.container {
    max-width: 1100px;
    margin: 30px auto;
    padding: 20px;
}
.box {
    background-color: white;
    border: 2px solid orange;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}
.box img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}
.buttons {
    text-align: center;
    margin-top: 25px;
}
.buttons a {
    display: inline-block;
    text-decoration: none;
    padding: 12px 30px;
    border: 2px solid orange;
    border-radius: 6px;
    color: orange;
    font-weight: bold;
    margin: 5px;
}
.buttons a:hover {
    background-color: orange;
    color: white;
}
.flash-success {
    background-color: #d4edda;
    padding: 10px;
    border-left: 4px solid #28a745;
}
.flash-danger {
    background-color: #f8d7da;
    padding: 10px;
    border-left: 4px solid #dc3545;
}