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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #e6f0ff;  /* Svijetla plava pozadina */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: #ffffff;  /* Bijela pozadina za sadržaj */
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 420px;
    transition: all 0.3s ease;
}

.container:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

h1 {
    color: #004d99;  /* Tamnoplava boja za naslov */
    text-align: center;
    margin-bottom: 20px;
}

.input-form {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
}

input {
    padding: 12px;
    margin: 8px 0;
    border: 2px solid #b3c7e6;  /* Svijetloplava granica */
    border-radius: 8px;
    font-size: 16px;
    color: #004d99;  /* Tamnoplava boja za tekst u inputu */
    background-color: #f0f8ff;  /* Svijetloplavi background u inputu */
    transition: border-color 0.3s ease;
}

input:focus {
    border-color: #005bb5;  /* Fokusirano polje postaje tamnoplavo */
    outline: none;
}

button {
    padding: 12px;
    background-color: #0073e6;  /* Plavi gumb */
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #005bb5;  /* Tamnija plava boja na hover */
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    padding: 12px;
    margin: 8px 0;
    background-color: #f4f8ff;  /* Svijetloplava pozadina za unos */
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

li button {
    background-color: #ff6666;  /* Crvenkast gumb za brisanje */
    border: none;
    padding: 6px;
    color: white;
    cursor: pointer;
    border-radius: 6px;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

li button:hover {
    background-color: #e04e4e;  /* Tamnija crvena na hover */
}

li button:last-child {
    background-color: #66cc66;  /* Zeleni gumb za izmjenu */
}

li button:last-child:hover {
    background-color: #4d8c4d;  /* Tamnija zelena boja na hover */
}