* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: #f0f4f8;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background: #fff;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    text-align: center;
    width: 360px;
}

h2 {
    margin-bottom: 15px;
    color: #333;
}

p {
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #555;
}

input[type="file"] {
    display: block;
    margin: 0 auto 20px auto;
    padding: 10px;
    border-radius: 10px;
    border: 1px solid #ccc;
    cursor: pointer;
}

button {
    background: #4f46e5;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #3730a3;
}

footer {
    background-color: #272740;
    text-align: center;
    padding: 20px;
    color: #aaa;
}

footer a {
    color: #8b8bff;
    text-decoration: none;
}