* {
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
    background-color: #f4f7f6;
    color: #333;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.container {
    max-width: 600px;
    width: 100%;
}
.header {
    text-align: center;
    margin-bottom: 30px;
}
.header h1 {
    color: #1a4a7b;
    margin: 0 0 10px 0;
}
.header p {
    color: #666;
    margin: 0;
}
.card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.form-group {
    margin-bottom: 20px;
}
label {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
    color: #444;
}
select, input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}
small {
    display: block;
    margin-top: 5px;
    color: #888;
    font-size: 12px;
}
button {
    width: 100%;
    background-color: #1a4a7b;
    color: white;
    border: none;
    padding: 15px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}
button:hover {
    background-color: #123559;
}
.status {
    margin-top: 15px;
    text-align: center;
    font-weight: bold;
    padding: 10px;
    border-radius: 5px;
    display: none;
}
.status.success {
    background-color: #d4edda;
    color: #155724;
    display: block;
}
.status.error {
    background-color: #f8d7da;
    color: #721c24;
    display: block;
}