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

body {
    background: linear-gradient(to right, #f0f4f8, #d9e2ec);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 20px;
    min-height: 100vh;
    color: #333;
}

h1 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: #1f2937;
}

img {
    width: 150px;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

div {
    margin: 10px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

input, select {
    padding: 10px;
    margin: 8px;
    border: 1px solid #ccc;
    border-radius: 8px;
    width: 250px;
    font-size: 1rem;
    transition: border 0.3s;
}

input:focus, select:focus {
    border-color: #2563eb;
    outline: none;
}

button {
    background-color: #2563eb;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 1rem;
    margin-top: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

button:hover {
    background-color: #1e40af;
    transform: translateY(-2px);
}

button:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
}

#result {
    margin-top: 20px;
    font-size: 1.3rem;
    font-weight: 500;
    color: #111827;
    background-color: #fef9c3;
    padding: 15px 25px;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    text-align: center;
}