* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: #D7EAAC;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card {
    background-color: white;
    padding: 40px;
    border-radius: 5px;
    width: 100%;
}

h1 {
    text-align: center;
    color: #83B366;
    margin-bottom: 40px;
    font-size: 28px;
}

.form-group {
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 12px;
    color: black;
    font-weight: bold;
    font-size: 16px;
}

.unos-polje {
    padding: 15px;
    border: 2px solid gainsboro;
    border-radius: 5px;
    font-size: 16px;
}

.unos-polje:focus {
    outline: none;
    border-color: #83B366;
}

button {
    width: 100%;
    padding: 18px;
    background-color: #83B366;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
}

button:hover {
    background-color: #6f9a56;
}

.rezultat-box {
    background-color: gainsboro;
    padding: 35px;
    border-radius: 5px;
    margin-bottom: 35px;
}

.rezultat-box p {
    color: black;
    font-size: 16px;
    margin-bottom: 10px;
}

.rezultat-box .vrijednost {
    font-size: 20px;
    font-weight: bold;
    color: #83B366;
    margin-bottom: 25px;
}

.rezultat-box .vrijednost:last-child {
    margin-bottom: 0;
}

.ocjena-box {
    text-align: center;
    padding: 18px;
    border-radius: 5px;
    margin-bottom: 30px;
    background-color: gainsboro;
}

.ocjena-box p {
    font-size: 20px;
    font-weight: bold;
    color: #83B366;
}

.povratak-btn {
    display: block;
    text-align: center;
    padding: 18px;
    background-color: black;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: bold;
}

.povratak-btn:hover {
    background-color: #333;
}