/* Reset osnovnih margina i paddinga */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
}

/* Body i pozadina */
body {
    background: #f5f7fa;
    padding: 20px;
}

/* Glavni naslov */
h2 {
    margin-bottom: 20px;
    color: #2c3e50;
    text-align: center;
}

/* Forme */
form {
    margin-bottom: 25px;
    text-align: center;
}

label {
    font-weight: 600;
    margin-right: 10px;
}

input[type="date"],
input[type="password"],
select {
    padding: 8px 12px;
    border: 1.5px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
    transition: border-color 0.3s ease;
}

input[type="date"]:focus,
input[type="password"]:focus,
select:focus {
    border-color: #2980b9;
    outline: none;
}

/* Dugmad */
button {
    background-color: #2980b9;
    color: white;
    border: none;
    padding: 9px 20px;
    font-size: 1em;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-left: 10px;
}

button:hover {
    background-color: #1c5980;
}

/* Linkovi */
a {
    color: #2980b9;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #1c5980;
}

/* Tabele */
table {
    margin: 0 auto 30px;
    border-collapse: collapse;
    width: 80%;
    max-width: 700px;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

th, td {
    padding: 12px 15px;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #2980b9;
    color: white;
    font-weight: 600;
}

tr:hover {
    background-color: #f1f9ff;
}

/* Poruke i greške */
p {
    text-align: center;
    margin: 15px 0;
    font-size: 1.1em;
}

p.error {
    color: #e74c3c;
}

/* Naslov ispod sekcija */
h3 {
    color: #34495e;
    text-align: center;
    margin-bottom: 10px;
}

/* Centrirani sadržaj */
body > h2, body > form, body > table {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}