body {
    font-family: 'Segoe UI', Roboto, sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.container {
    width: 100%;
    padding: 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.header {
    width: 100%;
    padding: 20px 0;
    text-align: center;
    color: white;
    border-radius: 8px;
    margin-bottom: 20px;
}

.form-group {
    width: 100%;
    margin-bottom: 15px;
}

input, select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    box-sizing: border-box;
    border: 2px solid #ccc;
    border-radius: 5px;
}

.currency-toggle button {
    width: 100%;
    padding: 12px;
    margin: 5px 0;
    border-radius: 8px;
    border: none;
    color: white;
}

/* Styly pro tlačítka měny */
#czk-btn { background-color: #4CAF50; }
#eur-btn { background-color: #2196F3; }